annotate src/plugins/fts-squat/squat-trie.c @ 7220:21d1d0ced13e HEAD

Expunge fixes
author Timo Sirainen <tss@iki.fi>
date Sat, 09 Feb 2008 15:11:24 +0200
parents 6c48b72c5096
children e042b6385c7b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /* Copyright (c) 2007-2008 Dovecot authors, see the included COPYING file */
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2
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3 #include "lib.h"
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4 #include "array.h"
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5 #include "str.h"
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6 #include "read-full.h"
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7 #include "istream.h"
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8 #include "ostream.h"
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9 #include "unichar.h"
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10 #include "file-cache.h"
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11 #include "seq-range-array.h"
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12 #include "squat-uidlist.h"
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13 #include "squat-trie-private.h"
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14
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15 #include <stdio.h>
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16 #include <stdlib.h>
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17 #include <unistd.h>
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18 #include <sys/mman.h>
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19
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20 #define DEFAULT_NORMALIZE_MAP_CHARS \
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21 "EOTIRSACDNLMVUGPHBFWYXKJQZ0123456789@.-+#$%_&"
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22 #define DEFAULT_PARTIAL_LEN 4
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23 #define DEFAULT_FULL_LEN 4
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24
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25 #define MAX_FAST_LEVEL 3
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26 #define SEQUENTIAL_COUNT 46
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27
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28 #define TRIE_BYTES_LEFT(n) \
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29 ((n) * SQUAT_PACK_MAX_SIZE)
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30 #define TRIE_READAHEAD_SIZE \
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31 I_MAX(4096, 1 + 256 + TRIE_BYTES_LEFT(256))
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32
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33 struct squat_trie_build_context {
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34 struct squat_trie *trie;
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35 struct ostream *output;
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36 struct squat_uidlist_build_context *uidlist_build_ctx;
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37
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38 struct file_lock *file_lock;
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39
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40 uint32_t first_uid;
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41 unsigned int compress_nodes:1;
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42 };
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43
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44 struct squat_trie_iterate_node {
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45 struct squat_node *node;
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46 ARRAY_TYPE(seq_range) shifts;
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47 unsigned int idx;
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48 };
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49
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50 struct squat_trie_iterate_context {
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51 struct squat_trie *trie;
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52 struct squat_trie_iterate_node cur;
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53 ARRAY_DEFINE(parents, struct squat_trie_iterate_node);
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54 bool failed;
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55 };
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56
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57 static int squat_trie_map(struct squat_trie *trie, bool building);
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58
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59 void squat_trie_delete(struct squat_trie *trie)
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60 {
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61 if (unlink(trie->path) < 0 && errno != ENOENT)
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62 i_error("unlink(%s) failed: %m", trie->path);
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63 squat_uidlist_delete(trie->uidlist);
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64 }
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65
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66 static void squat_trie_set_corrupted(struct squat_trie *trie)
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67 {
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68 trie->corrupted = TRUE;
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69 i_error("Corrupted file %s", trie->path);
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70 squat_trie_delete(trie);
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71 }
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72
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73 static void squat_trie_normalize_map_build(struct squat_trie *trie)
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74 {
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75 static unsigned char valid_chars[] =
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76 DEFAULT_NORMALIZE_MAP_CHARS;
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77 unsigned int i, j;
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78
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79 memset(trie->default_normalize_map, 0,
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80 sizeof(trie->default_normalize_map));
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81
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82 #if 1
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83 for (i = 0, j = 1; i < sizeof(valid_chars)-1; i++) {
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84 unsigned char chr = valid_chars[i];
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85
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86 if (chr >= 'A' && chr <= 'Z')
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87 trie->default_normalize_map[chr-'A'+'a'] = j;
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88 trie->default_normalize_map[chr] = j++;
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89 }
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90 i_assert(j <= SEQUENTIAL_COUNT);
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91
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92 for (i = 128; i < 256; i++)
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93 trie->default_normalize_map[i] = j++;
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94 #else
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95 for (i = 0; i < sizeof(valid_chars)-1; i++) {
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96 unsigned char chr = valid_chars[i];
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97
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98 if (chr >= 'A' && chr <= 'Z')
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99 trie->default_normalize_map[chr-'A'+'a'] = chr;
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100 trie->default_normalize_map[chr] = chr;
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101 }
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102 for (i = 128; i < 256; i++)
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103 trie->default_normalize_map[i] = i_toupper(i);
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104 #endif
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105 }
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106
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107 static void node_free(struct squat_trie *trie, struct squat_node *node)
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108 {
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109 struct squat_node *children;
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110 unsigned int i;
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111
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112 if (NODE_IS_DYNAMIC_LEAF(node))
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113 i_free(node->children.leaf_string);
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114 else if (!node->children_not_mapped && node->child_count > 0) {
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115 children = NODE_CHILDREN_NODES(node);
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116
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117 trie->node_alloc_size -=
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118 NODE_CHILDREN_ALLOC_SIZE(node->child_count);
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119 for (i = 0; i < node->child_count; i++)
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120 node_free(trie, &children[i]);
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121
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122 i_free(node->children.data);
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123 }
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124 }
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125
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126 struct squat_trie *
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127 squat_trie_init(const char *path, uint32_t uidvalidity,
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128 enum file_lock_method lock_method, bool mmap_disable)
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129 {
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130 struct squat_trie *trie;
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131
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132 trie = i_new(struct squat_trie, 1);
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133 trie->path = i_strdup(path);
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134 trie->uidlist = squat_uidlist_init(trie);
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135 trie->fd = -1;
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136 trie->lock_method = lock_method;
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137 trie->uidvalidity = uidvalidity;
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138 trie->mmap_disable = mmap_disable;
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139 squat_trie_normalize_map_build(trie);
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140 return trie;
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141 }
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142
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143 static void squat_trie_close(struct squat_trie *trie)
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144 {
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145 trie->corrupted = FALSE;
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146 node_free(trie, &trie->root);
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147 memset(&trie->root, 0, sizeof(trie->root));
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148 memset(&trie->hdr, 0, sizeof(trie->hdr));
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149
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150 trie->data = NULL;
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151 trie->data_size = 0;
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152
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153 if (trie->file_cache != NULL)
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154 file_cache_free(&trie->file_cache);
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155 if (trie->mmap_size != 0) {
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156 if (munmap(trie->mmap_base, trie->mmap_size) < 0)
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157 i_error("munmap(%s) failed: %m", trie->path);
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158 }
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159 if (trie->fd != -1) {
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160 if (close(trie->fd) < 0)
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161 i_error("close(%s) failed: %m", trie->path);
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162 trie->fd = -1;
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163 }
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164 trie->locked_file_size = 0;
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165 }
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166
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167 void squat_trie_deinit(struct squat_trie **_trie)
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168 {
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169 struct squat_trie *trie = *_trie;
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170
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171 *_trie = NULL;
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172 squat_trie_close(trie);
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173 squat_uidlist_deinit(trie->uidlist);
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174 i_free(trie->path);
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175 i_free(trie);
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176 }
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177
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178 static void squat_trie_header_init(struct squat_trie *trie)
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179 {
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180 memset(&trie->hdr, 0, sizeof(trie->hdr));
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181 trie->hdr.version = SQUAT_TRIE_VERSION;
7159
2de2058a5cdc Don't use ioloop_time. Fixes squat-test which doesn't create ioloop.
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parents: 7158
diff changeset
182 trie->hdr.indexid = time(NULL);
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183 trie->hdr.uidvalidity = trie->uidvalidity;
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diff changeset
184 trie->hdr.partial_len = DEFAULT_PARTIAL_LEN;
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185 trie->hdr.full_len = DEFAULT_FULL_LEN;
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diff changeset
186
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diff changeset
187 i_assert(sizeof(trie->hdr.normalize_map) ==
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188 sizeof(trie->default_normalize_map));
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diff changeset
189 memcpy(trie->hdr.normalize_map, trie->default_normalize_map,
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diff changeset
190 sizeof(trie->hdr.normalize_map));
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191 }
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diff changeset
192
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193 static int squat_trie_open_fd(struct squat_trie *trie)
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194 {
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195 trie->fd = open(trie->path, O_RDWR);
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diff changeset
196 if (trie->fd == -1) {
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diff changeset
197 if (errno == ENOENT) {
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diff changeset
198 squat_trie_header_init(trie);
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diff changeset
199 return 0;
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diff changeset
200 }
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diff changeset
201 i_error("open(%s) failed: %m", trie->path);
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diff changeset
202 return -1;
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diff changeset
203 }
7218
43d2f70fb279 Squat fixes
Timo Sirainen <tss@iki.fi>
parents: 7210
diff changeset
204 if (trie->file_cache != NULL)
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parents: 7210
diff changeset
205 file_cache_set_fd(trie->file_cache, trie->fd);
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diff changeset
206 return 0;
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diff changeset
207 }
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diff changeset
208
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diff changeset
209 static int squat_trie_open(struct squat_trie *trie)
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diff changeset
210 {
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diff changeset
211 squat_trie_close(trie);
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diff changeset
212
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diff changeset
213 if (squat_trie_open_fd(trie) < 0)
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diff changeset
214 return -1;
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diff changeset
215 return squat_trie_map(trie, FALSE);
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diff changeset
216 }
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Timo Sirainen <tss@iki.fi>
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diff changeset
217
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218 static int squat_trie_is_file_stale(struct squat_trie *trie)
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diff changeset
219 {
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diff changeset
220 struct stat st, st2;
4879
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diff changeset
221
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diff changeset
222 if (stat(trie->path, &st) < 0) {
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diff changeset
223 if (errno == ENOENT)
d8adbe93c969 Added support for mmap_disable=yes and several other fixes.
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diff changeset
224 return 1;
d8adbe93c969 Added support for mmap_disable=yes and several other fixes.
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diff changeset
225
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diff changeset
226 i_error("stat(%s) failed: %m", trie->path);
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diff changeset
227 return -1;
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diff changeset
228 }
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diff changeset
229 if (fstat(trie->fd, &st2) < 0) {
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parents: 6429
diff changeset
230 i_error("fstat(%s) failed: %m", trie->path);
4879
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diff changeset
231 return -1;
Timo Sirainen <tss@iki.fi>
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diff changeset
232 }
6898
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diff changeset
233 trie->locked_file_size = st2.st_size;
4879
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diff changeset
234
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diff changeset
235 return st.st_ino == st2.st_ino &&
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Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
236 CMP_DEV_T(st.st_dev, st2.st_dev) ? 0 : 1;
4879
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diff changeset
237 }
Timo Sirainen <tss@iki.fi>
parents: 4878
diff changeset
238
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diff changeset
239 void squat_trie_refresh(struct squat_trie *trie)
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diff changeset
240 {
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parents: 6429
diff changeset
241 if (squat_trie_is_file_stale(trie) > 0)
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diff changeset
242 (void)squat_trie_open(trie);
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diff changeset
243 }
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parents: 6429
diff changeset
244
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Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
245 static int squat_trie_lock(struct squat_trie *trie, int lock_type,
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Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
246 struct file_lock **file_lock_r)
4886
ae2114f11a0e Memory leak fixes. Also when building a large mailbox flush once in a while
Timo Sirainen <tss@iki.fi>
parents: 4883
diff changeset
247 {
ae2114f11a0e Memory leak fixes. Also when building a large mailbox flush once in a while
Timo Sirainen <tss@iki.fi>
parents: 4883
diff changeset
248 int ret;
ae2114f11a0e Memory leak fixes. Also when building a large mailbox flush once in a while
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parents: 4883
diff changeset
249
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diff changeset
250 while (trie->fd != -1) {
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diff changeset
251 ret = file_wait_lock(trie->fd, trie->path, lock_type,
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diff changeset
252 trie->lock_method, SQUAT_TRIE_LOCK_TIMEOUT,
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diff changeset
253 file_lock_r);
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diff changeset
254 if (ret == 0) {
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diff changeset
255 i_error("file_wait_lock(%s) failed: %m", trie->path);
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diff changeset
256 return 0;
4879
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diff changeset
257 }
6898
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diff changeset
258 if (ret < 0)
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diff changeset
259 return -1;
4879
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diff changeset
260
Timo Sirainen <tss@iki.fi>
parents: 4878
diff changeset
261 /* if the trie has been compressed, we need to reopen the
Timo Sirainen <tss@iki.fi>
parents: 4878
diff changeset
262 file and try to lock again */
Timo Sirainen <tss@iki.fi>
parents: 4878
diff changeset
263 ret = squat_trie_is_file_stale(trie);
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diff changeset
264 if (ret == 0)
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265 return 1;
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diff changeset
266
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267 file_unlock(file_lock_r);
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diff changeset
268 if (ret < 0)
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diff changeset
269 return -1;
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diff changeset
270
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diff changeset
271 squat_trie_close(trie);
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diff changeset
272 if (squat_trie_open_fd(trie) < 0)
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273 return -1;
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274 }
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
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275 return 0;
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276 }
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
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277
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278 static void
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279 node_make_squential(struct squat_trie *trie, struct squat_node *node, int level)
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280 {
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diff changeset
281 const unsigned int alloc_size =
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282 NODE_CHILDREN_ALLOC_SIZE(SEQUENTIAL_COUNT);
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283 struct squat_node *children;
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284 unsigned char *chars;
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diff changeset
285 unsigned int i;
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286
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287 i_assert(node->child_count == 0);
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288
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289 trie->node_alloc_size += alloc_size;
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290
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291 node->want_sequential = FALSE;
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292 node->have_sequential = TRUE;
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diff changeset
293
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294 node->child_count = SEQUENTIAL_COUNT;
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295 node->children.data = i_malloc(alloc_size);
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296
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297 chars = NODE_CHILDREN_CHARS(node);
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298 for (i = 0; i < SEQUENTIAL_COUNT; i++)
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diff changeset
299 chars[i] = i;
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300
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diff changeset
301 if (level < MAX_FAST_LEVEL) {
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diff changeset
302 children = NODE_CHILDREN_NODES(node);
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303 for (i = 0; i < SEQUENTIAL_COUNT; i++)
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diff changeset
304 children[i].want_sequential = TRUE;
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305 }
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
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306 }
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
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diff changeset
307
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diff changeset
308 static unsigned int
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diff changeset
309 node_add_child(struct squat_trie *trie, struct squat_node *node,
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diff changeset
310 unsigned char chr, int level)
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diff changeset
311 {
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diff changeset
312 unsigned int old_child_count = node->child_count;
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diff changeset
313 struct squat_node *children, *old_children;
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diff changeset
314 unsigned char *chars;
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diff changeset
315 size_t old_size, new_size;
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diff changeset
316
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diff changeset
317 i_assert(node->leaf_string_length == 0);
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diff changeset
318
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diff changeset
319 if (node->want_sequential) {
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diff changeset
320 node_make_squential(trie, node, level);
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diff changeset
321
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diff changeset
322 if (chr < SEQUENTIAL_COUNT)
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diff changeset
323 return chr;
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diff changeset
324 old_child_count = SEQUENTIAL_COUNT;
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diff changeset
325 }
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diff changeset
326
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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diff changeset
327 node->child_count++;
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diff changeset
328 new_size = NODE_CHILDREN_ALLOC_SIZE(node->child_count);
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diff changeset
329
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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diff changeset
330 if (old_child_count == 0) {
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diff changeset
331 /* first child */
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diff changeset
332 node->children.data = i_malloc(new_size);
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diff changeset
333 trie->node_alloc_size += new_size;
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diff changeset
334 children = NODE_CHILDREN_NODES(node);
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Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
335 } else {
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diff changeset
336 old_size = NODE_CHILDREN_ALLOC_SIZE(old_child_count);
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parents: 6429
diff changeset
337 if (old_size != new_size) {
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parents: 6429
diff changeset
338 trie->node_alloc_size += new_size - old_size;
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parents: 6429
diff changeset
339 node->children.data = i_realloc(node->children.data,
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents: 6429
diff changeset
340 old_size, new_size);
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Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
341 }
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parents: 6429
diff changeset
342
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Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
343 children = NODE_CHILDREN_NODES(node);
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parents: 6429
diff changeset
344 old_children = (void *)(NODE_CHILDREN_CHARS(node) +
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parents: 6429
diff changeset
345 MEM_ALIGN(old_child_count));
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parents: 6429
diff changeset
346 if (children != old_children) {
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Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
347 memmove(children, old_children,
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Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
348 old_child_count * sizeof(struct squat_node));
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Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
349 }
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Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
350 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
351
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
352 chars = NODE_CHILDREN_CHARS(node);
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Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
353 chars[node->child_count - 1] = chr;
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Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
354 return node->child_count - 1;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
355 }
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Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
356
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5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
357 static int
6944
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
358 trie_file_cache_read(struct squat_trie *trie, size_t offset, size_t size)
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
359 {
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
360 if (trie->file_cache == NULL)
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
361 return 0;
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
362
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
363 if (file_cache_read(trie->file_cache, offset, size) < 0) {
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
364 i_error("read(%s) failed: %m", trie->path);
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
365 return -1;
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
366 }
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
367 trie->data = file_cache_get_map(trie->file_cache, &trie->data_size);
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
368 return 0;
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
369 }
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
370
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
371 static int
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
372 node_read_children(struct squat_trie *trie, struct squat_node *node, int level)
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
373 {
6898
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Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
374 const uint8_t *data, *end;
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Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
375 const unsigned char *child_chars;
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Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
376 struct squat_node *child, *children = NULL;
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Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
377 uoff_t node_offset;
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Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
378 unsigned int i, child_idx, child_count;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
379 uoff_t base_offset;
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Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
380 uint32_t num;
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Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
381
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
382 i_assert(node->children_not_mapped);
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Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
383 i_assert(!node->have_sequential);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
384 i_assert(trie->unmapped_child_count > 0);
6944
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
385 i_assert(trie->data_size <= trie->locked_file_size);
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
386
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
387 trie->unmapped_child_count--;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
388 node_offset = node->children.offset;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
389 node->children_not_mapped = FALSE;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
390 node->children.data = NULL;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
391
6944
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
392 if (trie_file_cache_read(trie, node_offset, TRIE_READAHEAD_SIZE) < 0)
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
393 return -1;
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
394 if (unlikely(node_offset >= trie->data_size)) {
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
395 squat_trie_set_corrupted(trie);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
396 return -1;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
397 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
398
6944
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
399 data = CONST_PTR_OFFSET(trie->data, node_offset);
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
400 end = CONST_PTR_OFFSET(trie->data, trie->data_size);
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
401 child_count = *data++;
6944
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
402 if (unlikely(node_offset + child_count >= trie->data_size)) {
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
403 squat_trie_set_corrupted(trie);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
404 return -1;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
405 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
406
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
407 if (child_count == 0)
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
408 return 0;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
409
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
410 child_chars = data;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
411 data += child_count;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
412
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
413 /* get child offsets */
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
414 base_offset = node_offset;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
415 for (i = 0; i < child_count; i++) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
416 /* we always start with !have_sequential, so at i=0 this
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
417 check always goes to add the first child */
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
418 if (node->have_sequential && child_chars[i] < SEQUENTIAL_COUNT)
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
419 child_idx = child_chars[i];
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
420 else {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
421 child_idx = node_add_child(trie, node, child_chars[i],
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
422 level);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
423 children = NODE_CHILDREN_NODES(node);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
424 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
425 child = &children[child_idx];
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
426
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
427 /* 1) child offset */
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
428 num = squat_unpack_num(&data, end);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
429 if (num == 0) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
430 /* no children */
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
431 } else {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
432 if ((num & 1) != 0) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
433 base_offset += num >> 1;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
434 } else {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
435 base_offset -= num >> 1;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
436 }
6944
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
437 if (base_offset >= trie->locked_file_size) {
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
438 squat_trie_set_corrupted(trie);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
439 return -1;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
440 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
441 trie->unmapped_child_count++;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
442 child->children_not_mapped = TRUE;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
443 child->children.offset = base_offset;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
444 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
445
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
446 /* 2) uidlist */
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
447 child->uid_list_idx = squat_unpack_num(&data, end);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
448 if (child->uid_list_idx == 0) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
449 /* we don't write nodes with empty uidlists */
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
450 squat_trie_set_corrupted(trie);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
451 return -1;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
452 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
453 if (!UIDLIST_IS_SINGLETON(child->uid_list_idx)) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
454 /* 3) next uid */
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
455 child->next_uid = squat_unpack_num(&data, end) + 1;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
456 } else {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
457 uint32_t idx = child->uid_list_idx;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
458
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
459 child->next_uid = 1 +
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
460 squat_uidlist_singleton_last_uid(idx);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
461 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
462
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
463 /* 4) unused uids + leaf string flag */
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
464 num = squat_unpack_num(&data, end);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
465 child->unused_uids = num >> 1;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
466 if ((num & 1) != 0) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
467 /* leaf string */
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
468 unsigned int len;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
469 unsigned char *dest;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
470
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
471 /* 5) leaf string length */
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
472 len = child->leaf_string_length =
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
473 squat_unpack_num(&data, end) + 1;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
474 if (!NODE_IS_DYNAMIC_LEAF(child))
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
475 dest = child->children.static_leaf_string;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
476 else {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
477 dest = child->children.leaf_string =
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
478 i_malloc(len);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
479 }
6944
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
480
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
481 if (trie->file_cache != NULL) {
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
482 /* the string may be long -
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
483 recalculate the end pos */
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
484 size_t offset, size;
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
485
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
486 offset = (const char *)data -
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
487 (const char *)trie->data;
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
488 size = len + TRIE_BYTES_LEFT(child_count - i);
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
489
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
490 if (trie_file_cache_read(trie, offset,
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
491 size) < 0)
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
492 return -1;
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
493 data = CONST_PTR_OFFSET(trie->data, offset);
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
494 end = CONST_PTR_OFFSET(trie->data,
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
495 trie->data_size);
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
496 }
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
497
7043
7708a8c166d6 Compiler warning fixes on 32bit systems.
Timo Sirainen <tss@iki.fi>
parents: 6945
diff changeset
498 if ((size_t)(end - data) < len) {
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
499 squat_trie_set_corrupted(trie);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
500 return -1;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
501 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
502 memcpy(dest, data, len);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
503 data += len;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
504 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
505 }
6944
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
506 if (unlikely(data == end)) {
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
507 /* we should never get this far */
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
508 squat_trie_set_corrupted(trie);
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
509 return -1;
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
510 }
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
511 return 0;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
512 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
513
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
514 static void
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
515 node_write_children(struct squat_trie_build_context *ctx,
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
516 struct squat_node *node, const uoff_t *node_offsets)
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
517 {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
518 struct squat_node *children;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
519 const unsigned char *chars;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
520 uint8_t child_count, buf[SQUAT_PACK_MAX_SIZE * 5], *bufp;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
521 uoff_t base_offset;
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
522 unsigned int i;
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
523
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
524 chars = NODE_CHILDREN_CHARS(node);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
525 children = NODE_CHILDREN_NODES(node);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
526
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
527 base_offset = ctx->output->offset;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
528 child_count = node->child_count;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
529 o_stream_send(ctx->output, &child_count, 1);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
530 o_stream_send(ctx->output, chars, child_count);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
531
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
532 for (i = 0; i < child_count; i++) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
533 bufp = buf;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
534 /* 1) child offset */
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
535 if (node_offsets[i] == 0)
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
536 *bufp++ = 0;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
537 else if (node_offsets[i] >= base_offset) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
538 squat_pack_num(&bufp,
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
539 ((node_offsets[i] - base_offset) << 1) | 1);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
540 base_offset = node_offsets[i];
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
541 } else {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
542 squat_pack_num(&bufp,
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
543 (base_offset - node_offsets[i]) << 1);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
544 base_offset = node_offsets[i];
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
545 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
546
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
547 /* 2) uidlist */
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
548 squat_pack_num(&bufp, children[i].uid_list_idx);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
549 if (!UIDLIST_IS_SINGLETON(children[i].uid_list_idx)) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
550 /* 3) next uid */
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
551 squat_pack_num(&bufp, children[i].next_uid - 1);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
552 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
553
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
554 if (children[i].leaf_string_length == 0) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
555 /* 4a) unused uids */
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
556 squat_pack_num(&bufp, children[i].unused_uids << 1);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
557 o_stream_send(ctx->output, buf, bufp - buf);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
558 } else {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
559 i_assert(node_offsets[i] == 0);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
560 /* 4b) unused uids + flag */
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
561 squat_pack_num(&bufp, (children[i].unused_uids << 1) | 1);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
562 /* 5) leaf string length */
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
563 squat_pack_num(&bufp, children[i].leaf_string_length - 1);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
564 o_stream_send(ctx->output, buf, bufp - buf);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
565 o_stream_send(ctx->output,
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
566 NODE_LEAF_STRING(&children[i]),
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
567 children[i].leaf_string_length);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
568 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
569 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
570 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
571
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
572 static inline void
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
573 node_add_uid(struct squat_trie_build_context *ctx, uint32_t uid,
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
574 struct squat_node *node)
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
575 {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
576 if (uid < node->next_uid) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
577 /* duplicate */
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
578 return;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
579 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
580 node->unused_uids += uid - node->next_uid;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
581 node->next_uid = uid + 1;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
582
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
583 node->uid_list_idx =
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
584 squat_uidlist_build_add_uid(ctx->uidlist_build_ctx,
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
585 node->uid_list_idx, uid);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
586 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
587
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
588 static void
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
589 node_split_string(struct squat_trie_build_context *ctx, struct squat_node *node)
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
590 {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
591 struct squat_node *child;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
592 unsigned char *str;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
593 unsigned int uid, idx, str_len = node->leaf_string_length;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
594
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
595 i_assert(str_len > 0);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
596
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
597 /* make a copy of the leaf string and convert to normal node by
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
598 removing it. */
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
599 str = t_malloc(str_len);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
600 if (!NODE_IS_DYNAMIC_LEAF(node))
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
601 memcpy(str, node->children.static_leaf_string, str_len);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
602 else {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
603 memcpy(str, node->children.leaf_string, str_len);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
604 i_free(node->children.leaf_string);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
605 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
606 node->leaf_string_length = 0;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
607
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
608 /* create a new child node for the rest of the string */
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
609 idx = node_add_child(ctx->trie, node, str[0], MAX_FAST_LEVEL);
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
610 child = NODE_CHILDREN_NODES(node) + idx;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
611
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
612 /* update uidlist to contain all of parent's UIDs */
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
613 child->next_uid = node->next_uid - node->unused_uids;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
614 for (uid = 0; uid < child->next_uid; uid++) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
615 child->uid_list_idx =
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
616 squat_uidlist_build_add_uid(ctx->uidlist_build_ctx,
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
617 child->uid_list_idx, uid);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
618 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
619
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
620 i_assert(!child->have_sequential && child->children.data == NULL);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
621 if (str_len > 1) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
622 /* make the child a leaf string */
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
623 str_len--;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
624 child->leaf_string_length = str_len;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
625 if (!NODE_IS_DYNAMIC_LEAF(child)) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
626 memcpy(child->children.static_leaf_string,
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
627 str + 1, str_len);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
628 } else {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
629 child->children.leaf_string = i_malloc(str_len);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
630 memcpy(child->children.leaf_string, str + 1, str_len);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
631 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
632 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
633 }
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
634
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
635 static bool
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
636 node_leaf_string_add_or_split(struct squat_trie_build_context *ctx,
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
637 struct squat_node *node,
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
638 const unsigned char *data, unsigned int data_len)
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
639 {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
640 const unsigned char *str = NODE_LEAF_STRING(node);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
641 const unsigned int str_len = node->leaf_string_length;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
642 unsigned int i;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
643
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
644 if (data_len != str_len) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
645 /* different lengths, can't match */
6940
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
646 T_FRAME(
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
647 node_split_string(ctx, node);
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
648 );
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
649 return FALSE;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
650 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
651
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
652 for (i = 0; i < data_len; i++) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
653 if (data[i] != str[i]) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
654 /* non-match */
6940
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
655 T_FRAME(
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
656 node_split_string(ctx, node);
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
657 );
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
658 return FALSE;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
659 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
660 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
661 return TRUE;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
662 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
663
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
664 static int squat_build_add(struct squat_trie_build_context *ctx, uint32_t uid,
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
665 const unsigned char *data, unsigned int size)
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
666 {
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
667 struct squat_trie *trie = ctx->trie;
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
668 struct squat_node *node = &trie->root;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
669 const unsigned char *end = data + size;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
670 unsigned char *chars;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
671 unsigned int idx;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
672 int level = 0;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
673
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
674 for (;;) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
675 if (node->children_not_mapped) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
676 if (unlikely(node_read_children(trie, node, level) < 0))
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
677 return -1;
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
678 }
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
679
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
680 if (node->leaf_string_length != 0) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
681 /* the whole string must match or we need to split
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
682 the node */
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
683 if (node_leaf_string_add_or_split(ctx, node, data,
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
684 end - data)) {
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
685 node_add_uid(ctx, uid, node);
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
686 return 0;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
687 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
688 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
689
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
690 node_add_uid(ctx, uid, node);
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
691
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
692 if (unlikely(uid < node->unused_uids)) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
693 squat_trie_set_corrupted(trie);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
694 return -1;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
695 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
696 /* child node's UIDs are relative to ours. so for example if
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
697 we're adding UID 4 and this node now has [2,4] UIDs,
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
698 unused_uids=3 and so the child node will be adding
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
699 UID 4-3 = 1. */
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
700 uid -= node->unused_uids;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
701
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
702 if (data == end)
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
703 return 0;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
704 level++;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
705
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
706 if (node->have_sequential) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
707 if (*data < SEQUENTIAL_COUNT) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
708 idx = *data;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
709 goto found;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
710 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
711 idx = SEQUENTIAL_COUNT;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
712 } else {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
713 idx = 0;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
714 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
715 chars = NODE_CHILDREN_CHARS(node);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
716 for (; idx < node->child_count; idx++) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
717 if (chars[idx] == *data)
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
718 goto found;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
719 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
720 break;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
721 found:
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
722 data++;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
723 node = NODE_CHILDREN_NODES(node) + idx;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
724 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
725
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
726 /* create new children */
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
727 i_assert(node->leaf_string_length == 0);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
728
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
729 for (;;) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
730 idx = node_add_child(trie, node, *data,
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
731 size - (end - data) + 1);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
732 node = NODE_CHILDREN_NODES(node) + idx;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
733
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
734 node_add_uid(ctx, uid, node);
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
735 uid = 0;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
736
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
737 if (++data == end)
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
738 break;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
739
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
740 if (!node->have_sequential) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
741 /* convert the node into a leaf string */
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
742 unsigned int len = end - data;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
743
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
744 i_assert(node->children.data == NULL);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
745 node->leaf_string_length = len;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
746 if (!NODE_IS_DYNAMIC_LEAF(node)) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
747 memcpy(node->children.static_leaf_string,
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
748 data, len);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
749 } else {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
750 node->children.leaf_string = i_malloc(len);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
751 memcpy(node->children.leaf_string, data, len);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
752 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
753 break;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
754 }
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
755 }
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
756 return 0;
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
757 }
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
758
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
759 static int
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
760 squat_build_word_bytes(struct squat_trie_build_context *ctx, uint32_t uid,
6911
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
761 const unsigned char *data, unsigned int size)
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
762 {
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
763 struct squat_trie *trie = ctx->trie;
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
764 unsigned int i;
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
765
6911
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
766 if (trie->hdr.full_len <= trie->hdr.partial_len)
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
767 i = 0;
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
768 else {
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
769 /* the first word is longer than others */
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
770 if (squat_build_add(ctx, uid, data,
6911
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
771 I_MIN(size, trie->hdr.full_len)) < 0)
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
772 return -1;
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
773 i = 1;
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
774 }
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
775
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
776 for (; i < size; i++) {
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
777 if (squat_build_add(ctx, uid, data + i,
6911
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
778 I_MIN(trie->hdr.partial_len, size-i)) < 0)
4883
d8adbe93c969 Added support for mmap_disable=yes and several other fixes.
Timo Sirainen <tss@iki.fi>
parents: 4879
diff changeset
779 return -1;
d8adbe93c969 Added support for mmap_disable=yes and several other fixes.
Timo Sirainen <tss@iki.fi>
parents: 4879
diff changeset
780 }
6911
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
781 return 0;
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
782 }
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
783
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
784 static int
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
785 squat_build_word(struct squat_trie_build_context *ctx, uint32_t uid,
6911
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
786 const unsigned char *data, const uint8_t *char_lengths,
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
787 unsigned int size)
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
788 {
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
789 struct squat_trie *trie = ctx->trie;
6911
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
790 unsigned int i, j, bytelen;
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
791
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
792 if (char_lengths == NULL) {
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
793 /* optimization path: all characters are bytes */
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
794 return squat_build_word_bytes(ctx, uid, data, size);
6911
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
795 }
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
796
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
797 if (trie->hdr.full_len <= trie->hdr.partial_len)
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
798 i = 0;
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
799 else {
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
800 /* the first word is longer than others */
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
801 bytelen = 0;
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
802 for (j = 0; j < trie->hdr.full_len && bytelen < size; j++)
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
803 bytelen += char_lengths[bytelen];
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
804 i_assert(bytelen <= size);
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
805
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
806 if (squat_build_add(ctx, uid, data, bytelen) < 0)
6911
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
807 return -1;
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
808 i = char_lengths[0];
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
809 }
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
810
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
811 for (; i < size; i += char_lengths[i]) {
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
812 bytelen = 0;
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
813 for (j = 0; j < trie->hdr.partial_len && i+bytelen < size; j++)
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
814 bytelen += char_lengths[i + bytelen];
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
815 i_assert(i + bytelen <= size);
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
816
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
817 if (squat_build_add(ctx, uid, data + i, bytelen) < 0)
6911
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
818 return -1;
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
819 }
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
820 return 0;
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
821 }
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
822
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
823 static unsigned char *
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
824 squat_data_normalize(struct squat_trie *trie, const unsigned char *data,
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
825 unsigned int size)
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
826 {
7187
d9b87e3ce6c8 Treat replacement characters as non-indexed chars.
Timo Sirainen <tss@iki.fi>
parents: 7161
diff changeset
827 static const unsigned char replacement_utf8[] = { 0xef, 0xbf, 0xbd };
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
828 unsigned char *dest;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
829 unsigned int i;
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
830
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
831 dest = t_malloc(size);
7187
d9b87e3ce6c8 Treat replacement characters as non-indexed chars.
Timo Sirainen <tss@iki.fi>
parents: 7161
diff changeset
832 for (i = 0; i < size; i++) {
d9b87e3ce6c8 Treat replacement characters as non-indexed chars.
Timo Sirainen <tss@iki.fi>
parents: 7161
diff changeset
833 if (data[i] == replacement_utf8[0] && i + 2 < size &&
d9b87e3ce6c8 Treat replacement characters as non-indexed chars.
Timo Sirainen <tss@iki.fi>
parents: 7161
diff changeset
834 data[i+1] == replacement_utf8[1] &&
d9b87e3ce6c8 Treat replacement characters as non-indexed chars.
Timo Sirainen <tss@iki.fi>
parents: 7161
diff changeset
835 data[i+2] == replacement_utf8[2]) {
d9b87e3ce6c8 Treat replacement characters as non-indexed chars.
Timo Sirainen <tss@iki.fi>
parents: 7161
diff changeset
836 /* Don't index replacement character */
d9b87e3ce6c8 Treat replacement characters as non-indexed chars.
Timo Sirainen <tss@iki.fi>
parents: 7161
diff changeset
837 dest[i++] = 0;
d9b87e3ce6c8 Treat replacement characters as non-indexed chars.
Timo Sirainen <tss@iki.fi>
parents: 7161
diff changeset
838 dest[i++] = 0;
d9b87e3ce6c8 Treat replacement characters as non-indexed chars.
Timo Sirainen <tss@iki.fi>
parents: 7161
diff changeset
839 dest[i] = 0;
d9b87e3ce6c8 Treat replacement characters as non-indexed chars.
Timo Sirainen <tss@iki.fi>
parents: 7161
diff changeset
840 } else {
d9b87e3ce6c8 Treat replacement characters as non-indexed chars.
Timo Sirainen <tss@iki.fi>
parents: 7161
diff changeset
841 dest[i] = trie->hdr.normalize_map[data[i]];
d9b87e3ce6c8 Treat replacement characters as non-indexed chars.
Timo Sirainen <tss@iki.fi>
parents: 7161
diff changeset
842 }
d9b87e3ce6c8 Treat replacement characters as non-indexed chars.
Timo Sirainen <tss@iki.fi>
parents: 7161
diff changeset
843 }
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
844 return dest;
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
845 }
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
846
6940
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
847 static int
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
848 squat_trie_build_more_real(struct squat_trie_build_context *ctx,
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
849 uint32_t uid, enum squat_index_type type,
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
850 const unsigned char *input, unsigned int size)
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
851 {
4878
88a91d9a867b Fixes. Should be pretty much working now.
Timo Sirainen <tss@iki.fi>
parents: 4855
diff changeset
852 struct squat_trie *trie = ctx->trie;
6911
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
853 const unsigned char *data;
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
854 uint8_t *char_lengths;
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
855 unsigned int i, start = 0;
6911
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
856 bool multibyte_chars = FALSE;
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
857 int ret = 0;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
858
6914
9c3f0e180751 Index message's all headers (including MIME headers) after the body.
Timo Sirainen <tss@iki.fi>
parents: 6912
diff changeset
859 uid = uid * 2 + (type == SQUAT_INDEX_TYPE_HEADER ? 1 : 0);
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
860
6911
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
861 char_lengths = t_malloc(size);
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
862 data = squat_data_normalize(trie, input, size);
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
863 for (i = 0; i < size; i++) {
6911
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
864 char_lengths[i] = uni_utf8_char_bytes(input[i]);
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
865 if (char_lengths[i] != 1)
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
866 multibyte_chars = TRUE;
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
867 if (data[i] != '\0')
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
868 continue;
4886
ae2114f11a0e Memory leak fixes. Also when building a large mailbox flush once in a while
Timo Sirainen <tss@iki.fi>
parents: 4883
diff changeset
869
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
870 while (start < i && data[start] == '\0')
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
871 start++;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
872 if (i != start) {
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
873 if (squat_build_word(ctx, uid, data + start,
6911
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
874 !multibyte_chars ? NULL :
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
875 char_lengths + start,
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
876 i - start) < 0) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
877 ret = -1;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
878 start = i;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
879 break;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
880 }
4883
d8adbe93c969 Added support for mmap_disable=yes and several other fixes.
Timo Sirainen <tss@iki.fi>
parents: 4879
diff changeset
881 }
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
882 start = i + 1;
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
883 }
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
884 while (start < i && data[start] == '\0')
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
885 start++;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
886 if (i != start) {
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
887 if (squat_build_word(ctx, uid, data + start,
6911
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
888 !multibyte_chars ? NULL :
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
889 char_lengths + start, i - start) < 0)
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
890 ret = -1;
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
891 }
6940
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
892 return ret;
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
893 }
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
894
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
895 int squat_trie_build_more(struct squat_trie_build_context *ctx,
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
896 uint32_t uid, enum squat_index_type type,
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
897 const unsigned char *input, unsigned int size)
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
898 {
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
899 int ret;
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
900
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
901 T_FRAME(
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
902 ret = squat_trie_build_more_real(ctx, uid, type, input, size);
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
903 );
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
904 return ret;
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
905 }
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
906
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
907 static void node_drop_unused_children(struct squat_node *node)
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
908 {
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
909 unsigned char *chars;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
910 struct squat_node *children_src, *children_dest;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
911 unsigned int i, j, orig_child_count = node->child_count;
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
912
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
913 chars = NODE_CHILDREN_CHARS(node);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
914 children_src = NODE_CHILDREN_NODES(node);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
915
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
916 /* move chars */
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
917 for (i = j = 0; i < orig_child_count; i++) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
918 if (children_src[i].next_uid != 0)
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
919 chars[j++] = chars[i];
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
920 }
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
921 node->child_count = j;
4890
cb3b4153136c 64bit and big endian fixes
Timo Sirainen <tss@iki.fi>
parents: 4887
diff changeset
922
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
923 /* move children. note that children_dest may point to different
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
924 location than children_src, although they both point to the
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
925 same node. */
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
926 children_dest = NODE_CHILDREN_NODES(node);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
927 for (i = j = 0; i < orig_child_count; i++) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
928 if (children_src[i].next_uid != 0)
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
929 children_dest[j++] = children_src[i];
4890
cb3b4153136c 64bit and big endian fixes
Timo Sirainen <tss@iki.fi>
parents: 4887
diff changeset
930 }
cb3b4153136c 64bit and big endian fixes
Timo Sirainen <tss@iki.fi>
parents: 4887
diff changeset
931 }
cb3b4153136c 64bit and big endian fixes
Timo Sirainen <tss@iki.fi>
parents: 4887
diff changeset
932
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
933 static int
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
934 squat_write_node(struct squat_trie_build_context *ctx, struct squat_node *node,
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
935 uoff_t *node_offset_r, int level)
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
936 {
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
937 struct squat_trie *trie = ctx->trie;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
938 struct squat_node *children;
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
939 unsigned int i;
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
940 uoff_t *node_offsets;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
941 uint8_t child_count;
6940
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
942 int ret;
4901
5e604d6f391e Only ASCII texts were actually indexed. Now UTF-8 input is properly
Timo Sirainen <tss@iki.fi>
parents: 4898
diff changeset
943
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
944 i_assert(node->next_uid != 0);
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
945
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
946 if (node->children_not_mapped && ctx->compress_nodes) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
947 if (node_read_children(trie, node, MAX_FAST_LEVEL) < 0)
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
948 return -1;
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
949 }
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
950
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
951 node->have_sequential = FALSE;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
952 node_drop_unused_children(node);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
953
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
954 child_count = node->child_count;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
955 if (child_count == 0) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
956 i_assert(!node->children_not_mapped ||
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
957 node->leaf_string_length == 0);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
958 *node_offset_r = !node->children_not_mapped ? 0 :
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
959 node->children.offset;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
960 return 0;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
961 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
962 i_assert(!node->children_not_mapped);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
963
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
964 trie->hdr.node_count++;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
965
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
966 children = NODE_CHILDREN_NODES(node);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
967 node_offsets = t_new(uoff_t, child_count);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
968 for (i = 0; i < child_count; i++) {
6940
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
969 T_FRAME(
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
970 ret = squat_write_node(ctx, &children[i],
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
971 &node_offsets[i], level + 1);
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
972 );
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
973 if (ret < 0)
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
974 return -1;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
975 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
976
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
977 *node_offset_r = ctx->output->offset;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
978 node_write_children(ctx, node, node_offsets);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
979 return 0;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
980 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
981
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
982 static int squat_write_nodes(struct squat_trie_build_context *ctx)
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
983 {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
984 struct squat_trie *trie = ctx->trie;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
985 uoff_t node_offset;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
986 int ret;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
987
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
988 if (ctx->trie->root.next_uid == 0)
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
989 return 0;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
990
6940
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
991 T_FRAME(
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
992 ret = squat_write_node(ctx, &ctx->trie->root, &node_offset, 0);
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
993 );
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
994 if (ret < 0)
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
995 return -1;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
996
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
997 trie->hdr.root_offset = node_offset;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
998 trie->hdr.root_unused_uids = trie->root.unused_uids;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
999 trie->hdr.root_next_uid = trie->root.next_uid;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1000 trie->hdr.root_uidlist_idx = trie->root.uid_list_idx;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1001 return 0;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1002 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1003
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1004 static struct squat_trie_iterate_context *
7197
bb9304dee6d4 uidlist renumbering: changed iteration code to iterate children first. This
Timo Sirainen <tss@iki.fi>
parents: 7187
diff changeset
1005 squat_trie_iterate_init(struct squat_trie *trie)
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1006 {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1007 struct squat_trie_iterate_context *ctx;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1008
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1009 ctx = i_new(struct squat_trie_iterate_context, 1);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1010 ctx->trie = trie;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1011 ctx->cur.node = &trie->root;
6905
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1012 i_array_init(&ctx->parents, trie->hdr.partial_len*2);
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1013 return ctx;
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1014 }
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1015
4878
88a91d9a867b Fixes. Should be pretty much working now.
Timo Sirainen <tss@iki.fi>
parents: 4855
diff changeset
1016 static int
7197
bb9304dee6d4 uidlist renumbering: changed iteration code to iterate children first. This
Timo Sirainen <tss@iki.fi>
parents: 7187
diff changeset
1017 squat_trie_iterate_deinit(struct squat_trie_iterate_context *ctx)
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1018 {
7210
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1019 struct squat_trie_iterate_node *nodes;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1020 unsigned int i, count;
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1021 int ret = ctx->failed ? -1 : 0;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1022
7210
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1023 if (array_is_created(&ctx->cur.shifts)) {
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1024 nodes = array_get_modifiable(&ctx->parents, &count);
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1025 for (i = 0; i < count; i++)
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1026 array_free(&nodes[i].shifts);
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1027 array_free(&ctx->cur.shifts);
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1028 }
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1029 array_free(&ctx->parents);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1030 i_free(ctx);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1031 return ret;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1032 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1033
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1034 static struct squat_node *
7197
bb9304dee6d4 uidlist renumbering: changed iteration code to iterate children first. This
Timo Sirainen <tss@iki.fi>
parents: 7187
diff changeset
1035 squat_trie_iterate_first(struct squat_trie_iterate_context *ctx)
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1036 {
7197
bb9304dee6d4 uidlist renumbering: changed iteration code to iterate children first. This
Timo Sirainen <tss@iki.fi>
parents: 7187
diff changeset
1037 if (ctx->cur.node->children_not_mapped) {
bb9304dee6d4 uidlist renumbering: changed iteration code to iterate children first. This
Timo Sirainen <tss@iki.fi>
parents: 7187
diff changeset
1038 if (node_read_children(ctx->trie, ctx->cur.node, 1) < 0) {
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1039 ctx->failed = TRUE;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1040 return NULL;
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1041 }
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1042 }
7197
bb9304dee6d4 uidlist renumbering: changed iteration code to iterate children first. This
Timo Sirainen <tss@iki.fi>
parents: 7187
diff changeset
1043 return ctx->cur.node;
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1044 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1045
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1046 static struct squat_node *
7210
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1047 squat_trie_iterate_next(struct squat_trie_iterate_context *ctx,
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1048 ARRAY_TYPE(seq_range) *shifts_r)
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1049 {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1050 struct squat_trie_iterate_node *iter_nodes;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1051 struct squat_node *children;
7210
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1052 unsigned int count, shift_count = 0;
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1053
7210
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1054 while (ctx->cur.idx == ctx->cur.node->child_count ||
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1055 ctx->cur.node->uid_list_idx == 0)
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1056 {
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1057 iter_nodes = array_get_modifiable(&ctx->parents, &count);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1058 if (count == 0)
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1059 return NULL;
7210
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1060
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1061 if (array_is_created(&ctx->cur.shifts))
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1062 array_free(&ctx->cur.shifts);
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1063 ctx->cur = iter_nodes[count-1];
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1064 array_delete(&ctx->parents, count-1, 1);
7197
bb9304dee6d4 uidlist renumbering: changed iteration code to iterate children first. This
Timo Sirainen <tss@iki.fi>
parents: 7187
diff changeset
1065 }
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1066
7210
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1067 *shifts_r = ctx->cur.shifts;
7220
21d1d0ced13e Expunge fixes
Timo Sirainen <tss@iki.fi>
parents: 7219
diff changeset
1068 if (array_is_created(&ctx->cur.shifts))
7210
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1069 shift_count = array_count(&ctx->cur.shifts);
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1070
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1071 children = NODE_CHILDREN_NODES(ctx->cur.node);
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1072 while (children[ctx->cur.idx++].uid_list_idx == 0) {
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1073 if (ctx->cur.idx == ctx->cur.node->child_count) {
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1074 /* no more non-empty children in this node */
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1075 return squat_trie_iterate_next(ctx, shifts_r);
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1076 }
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1077 }
7197
bb9304dee6d4 uidlist renumbering: changed iteration code to iterate children first. This
Timo Sirainen <tss@iki.fi>
parents: 7187
diff changeset
1078 array_append(&ctx->parents, &ctx->cur, 1);
bb9304dee6d4 uidlist renumbering: changed iteration code to iterate children first. This
Timo Sirainen <tss@iki.fi>
parents: 7187
diff changeset
1079 ctx->cur.node = &children[ctx->cur.idx-1];
bb9304dee6d4 uidlist renumbering: changed iteration code to iterate children first. This
Timo Sirainen <tss@iki.fi>
parents: 7187
diff changeset
1080 ctx->cur.idx = 0;
7210
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1081 if (shift_count != 0)
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1082 i_array_init(&ctx->cur.shifts, shift_count);
7220
21d1d0ced13e Expunge fixes
Timo Sirainen <tss@iki.fi>
parents: 7219
diff changeset
1083 else
21d1d0ced13e Expunge fixes
Timo Sirainen <tss@iki.fi>
parents: 7219
diff changeset
1084 memset(&ctx->cur.shifts, 0, sizeof(ctx->cur.shifts));
7219
6c48b72c5096 Squat fixes
Timo Sirainen <tss@iki.fi>
parents: 7218
diff changeset
1085 return squat_trie_iterate_first(ctx);
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1086 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1087
7210
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1088 static void
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1089 squat_uidlist_update_expunged_uids(const ARRAY_TYPE(seq_range) *shifts_arr,
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1090 ARRAY_TYPE(seq_range) *child_shifts,
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1091 ARRAY_TYPE(seq_range) *uids_arr,
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1092 bool do_shifts)
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1093 {
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1094 const struct seq_range *shifts;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1095 struct seq_range *uids, shift;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1096 unsigned int i, uid_idx, uid_count, shift_count;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1097 uint32_t child_shift_seq1, child_shift_count, seq_high;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1098 unsigned int shift_sum = 0, child_sum = 0;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1099
7220
21d1d0ced13e Expunge fixes
Timo Sirainen <tss@iki.fi>
parents: 7219
diff changeset
1100 if (!array_is_created(shifts_arr))
21d1d0ced13e Expunge fixes
Timo Sirainen <tss@iki.fi>
parents: 7219
diff changeset
1101 return;
21d1d0ced13e Expunge fixes
Timo Sirainen <tss@iki.fi>
parents: 7219
diff changeset
1102
7210
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1103 uids = array_get_modifiable(uids_arr, &uid_count);
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1104 shifts = array_get(shifts_arr, &shift_count);
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1105 for (i = 0, uid_idx = 0, seq_high = 0;; ) {
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1106 /* skip UID ranges until we skip/overlap shifts */
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1107 while (uid_idx < uid_count &&
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1108 (i == shift_count ||
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1109 I_MAX(shifts[i].seq1, seq_high) > uids[uid_idx].seq2))
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1110 {
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1111 i_assert(uids[uid_idx].seq1 >= shift_sum);
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1112 uids[uid_idx].seq1 -= shift_sum;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1113 uids[uid_idx].seq2 -= shift_sum;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1114 child_sum += uids[uid_idx].seq2 -
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1115 uids[uid_idx].seq1 + 1;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1116
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1117 if (uid_idx > 0 &&
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1118 uids[uid_idx-1].seq2 == uids[uid_idx].seq1 - 1) {
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1119 /* we can merge this and the previous range */
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1120 uids[uid_idx-1].seq2 = uids[uid_idx].seq2;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1121 array_delete(uids_arr, uid_idx, 1);
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1122 uids = array_get_modifiable(uids_arr,
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1123 &uid_count);
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1124 } else {
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1125 uid_idx++;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1126 }
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1127 }
7220
21d1d0ced13e Expunge fixes
Timo Sirainen <tss@iki.fi>
parents: 7219
diff changeset
1128 if (uid_idx == uid_count)
7210
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1129 break;
7220
21d1d0ced13e Expunge fixes
Timo Sirainen <tss@iki.fi>
parents: 7219
diff changeset
1130
7210
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1131 shift.seq1 = I_MAX(shifts[i].seq1, seq_high);
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1132 shift.seq2 = shifts[i].seq2;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1133 if (shift.seq2 < uids[uid_idx].seq1) {
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1134 /* shift is entirely before UID range */
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1135 shift_sum += shift.seq2 - shift.seq1 + 1;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1136 i++;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1137 } else {
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1138 /* handle shifts before UID range */
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1139 if (shift.seq1 < uids[uid_idx].seq1) {
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1140 shift_sum += uids[uid_idx].seq1 - shift.seq1;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1141 shift.seq1 = uids[uid_idx].seq1;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1142 }
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1143 /* update child shifts */
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1144 child_shift_seq1 = child_sum +
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1145 shift.seq1 - uids[uid_idx].seq1;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1146 child_shift_count =
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1147 I_MIN(shift.seq2, uids[uid_idx].seq2) -
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1148 shift.seq1 + 1;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1149 seq_range_array_add_range(child_shifts,
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1150 child_shift_seq1,
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1151 child_shift_seq1 +
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1152 child_shift_count - 1);
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1153 child_sum += child_shift_count;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1154
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1155 /* if the shifts continue after the UID range,
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1156 treat it in the next loop iteration */
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1157 if (shift.seq2 <= uids[uid_idx].seq2)
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1158 i++;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1159 else
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1160 seq_high = uids[uid_idx].seq2 + 1;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1161
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1162 /* update UIDs - no matter where within the UID range
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1163 the shifts happened, the result is the same:
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1164 shift number of UIDs are removed, and the rest
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1165 are decreased by shift_sum.
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1166
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1167 123 uids child_shifts
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1168 a) s -> 12 1
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1169 b) s -> 12 2
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1170 c) s -> 12 3
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1171 */
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1172 if (uids[uid_idx].seq1 +
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1173 child_shift_count > uids[uid_idx].seq2) {
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1174 /* removed completely */
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1175 array_delete(uids_arr, uid_idx, 1);
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1176 uids = array_get_modifiable(uids_arr,
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1177 &uid_count);
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1178 } else {
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1179 /* the next loop iteration fixes the UIDs */
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1180 uids[uid_idx].seq1 += child_shift_count;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1181 }
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1182 shift_sum += child_shift_count;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1183 }
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1184 if (!do_shifts) {
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1185 /* root node - UIDs are only removed, not shifted */
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1186 shift_sum = 0;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1187 }
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1188 }
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1189 }
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1190
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1191 static int
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1192 squat_trie_expunge_uidlists(struct squat_trie_build_context *ctx,
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1193 struct squat_uidlist_rebuild_context *rebuild_ctx,
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1194 struct squat_trie_iterate_context *iter,
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1195 const ARRAY_TYPE(seq_range) *expunged_uids)
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1196 {
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1197 struct squat_node *node;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1198 ARRAY_TYPE(seq_range) uid_range, shifts;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1199 bool shift = FALSE;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1200 int ret = 0;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1201
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1202 node = squat_trie_iterate_first(iter);
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1203 if (node->uid_list_idx == 0)
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1204 return 0;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1205
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1206 i_array_init(&uid_range, 1024);
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1207 i_array_init(&shifts, array_count(expunged_uids));
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1208 array_append_array(&shifts, expunged_uids);
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1209
7220
21d1d0ced13e Expunge fixes
Timo Sirainen <tss@iki.fi>
parents: 7219
diff changeset
1210 do {
7210
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1211 i_assert(node->uid_list_idx != 0);
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1212 array_clear(&uid_range);
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1213 if (squat_uidlist_get_seqrange(ctx->trie->uidlist,
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1214 node->uid_list_idx,
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1215 &uid_range) < 0) {
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1216 ret = -1;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1217 break;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1218 }
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1219 squat_uidlist_update_expunged_uids(&shifts, &iter->cur.shifts,
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1220 &uid_range, shift);
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1221 node->uid_list_idx =
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1222 squat_uidlist_rebuild_nextu(rebuild_ctx, &uid_range);
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1223 if (node->uid_list_idx == 0) {
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1224 node->child_count = 0;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1225 node->next_uid = 0;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1226 }
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1227 node = squat_trie_iterate_next(iter, &shifts);
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1228 shift = TRUE;
7220
21d1d0ced13e Expunge fixes
Timo Sirainen <tss@iki.fi>
parents: 7219
diff changeset
1229 } while (node != NULL);
7210
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1230 array_free(&uid_range);
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1231 return ret;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1232 }
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1233
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1234 static int
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1235 squat_trie_renumber_uidlists2(struct squat_trie_build_context *ctx,
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1236 struct squat_uidlist_rebuild_context *rebuild_ctx,
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1237 struct squat_trie_iterate_context *iter)
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1238 {
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1239 struct squat_node *node;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1240 ARRAY_TYPE(seq_range) shifts;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1241 ARRAY_TYPE(uint32_t) uids;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1242 int ret = 0;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1243
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1244 node = squat_trie_iterate_first(iter);
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1245 if (node->uid_list_idx == 0)
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1246 return 0;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1247
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1248 i_array_init(&uids, 1024);
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1249 while (node != NULL) {
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1250 i_assert(node->uid_list_idx != 0);
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1251 if (!UIDLIST_IS_SINGLETON(node->uid_list_idx)) {
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1252 /* rebuild the uidlist */
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1253 array_clear(&uids);
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1254 if (squat_uidlist_get(ctx->trie->uidlist,
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1255 node->uid_list_idx, &uids) < 0) {
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1256 ret = -1;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1257 break;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1258 }
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1259 node->uid_list_idx =
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1260 squat_uidlist_rebuild_next(rebuild_ctx, &uids);
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1261 }
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1262 node = squat_trie_iterate_next(iter, &shifts);
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1263 }
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1264 array_free(&uids);
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1265 return ret;
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1266 }
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1267
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1268 static int
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1269 squat_trie_renumber_uidlists(struct squat_trie_build_context *ctx,
7210
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1270 const ARRAY_TYPE(seq_range) *expunged_uids,
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1271 bool compress)
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1272 {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1273 struct squat_trie_iterate_context *iter;
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1274 struct squat_uidlist_rebuild_context *rebuild_ctx;
7159
2de2058a5cdc Don't use ioloop_time. Fixes squat-test which doesn't create ioloop.
Timo Sirainen <tss@iki.fi>
parents: 7158
diff changeset
1275 time_t now;
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1276 int ret = 0;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1277
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1278 if ((ret = squat_uidlist_rebuild_init(ctx->uidlist_build_ctx,
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1279 compress, &rebuild_ctx)) <= 0)
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1280 return ret;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1281
7159
2de2058a5cdc Don't use ioloop_time. Fixes squat-test which doesn't create ioloop.
Timo Sirainen <tss@iki.fi>
parents: 7158
diff changeset
1282 now = time(NULL);
7043
7708a8c166d6 Compiler warning fixes on 32bit systems.
Timo Sirainen <tss@iki.fi>
parents: 6945
diff changeset
1283 ctx->trie->hdr.indexid =
7159
2de2058a5cdc Don't use ioloop_time. Fixes squat-test which doesn't create ioloop.
Timo Sirainen <tss@iki.fi>
parents: 7158
diff changeset
1284 I_MAX((unsigned int)now, ctx->trie->hdr.indexid + 1);
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1285
7197
bb9304dee6d4 uidlist renumbering: changed iteration code to iterate children first. This
Timo Sirainen <tss@iki.fi>
parents: 7187
diff changeset
1286 iter = squat_trie_iterate_init(ctx->trie);
7210
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1287 if (expunged_uids != NULL) {
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1288 ret = squat_trie_expunge_uidlists(ctx, rebuild_ctx, iter,
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1289 expunged_uids);
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1290 } else {
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1291 ret = squat_trie_renumber_uidlists2(ctx, rebuild_ctx, iter);
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1292 }
7197
bb9304dee6d4 uidlist renumbering: changed iteration code to iterate children first. This
Timo Sirainen <tss@iki.fi>
parents: 7187
diff changeset
1293 squat_trie_iterate_deinit(iter);
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1294
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1295 /* lock the trie before we rename uidlist */
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1296 if (squat_trie_lock(ctx->trie, F_WRLCK, &ctx->file_lock) <= 0)
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1297 ret = -1;
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1298 return squat_uidlist_rebuild_finish(rebuild_ctx, ret < 0);
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1299 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1300
6905
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1301 static bool squat_trie_check_header(struct squat_trie *trie)
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1302 {
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1303 if (trie->hdr.version != SQUAT_TRIE_VERSION ||
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1304 trie->hdr.uidvalidity != trie->uidvalidity)
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1305 return FALSE;
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1306
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1307 if (trie->hdr.partial_len > trie->hdr.full_len) {
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1308 i_error("Corrupted %s: partial len > full len", trie->path);
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1309 return FALSE;
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1310 }
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1311 if (trie->hdr.full_len == 0) {
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1312 i_error("Corrupted %s: full len=0", trie->path);
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1313 return FALSE;
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1314 }
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1315 return TRUE;
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1316 }
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1317
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1318 static int squat_trie_map_header(struct squat_trie *trie)
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1319 {
6944
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1320 int ret;
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1321
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1322 if (trie->locked_file_size == 0) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1323 /* newly created file */
7158
f41bd3065ec8 Init header for newly created files.
Timo Sirainen <tss@iki.fi>
parents: 7086
diff changeset
1324 squat_trie_header_init(trie);
6944
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1325 return 1;
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1326 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1327 i_assert(trie->fd != -1);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1328
6944
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1329 if (trie->mmap_disable) {
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1330 ret = pread_full(trie->fd, &trie->hdr, sizeof(trie->hdr), 0);
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1331 if (ret <= 0) {
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1332 if (ret < 0) {
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1333 i_error("pread(%s) failed: %m", trie->path);
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1334 return -1;
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1335 }
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1336 i_error("Corrupted %s: File too small", trie->path);
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1337 return 0;
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1338 }
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1339 trie->data = NULL;
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1340 trie->data_size = 0;
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1341 } else {
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1342 if (trie->locked_file_size < sizeof(trie->hdr)) {
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1343 i_error("Corrupted %s: File too small", trie->path);
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1344 return 0;
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1345 }
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1346 if (trie->mmap_size != 0) {
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1347 if (munmap(trie->mmap_base, trie->mmap_size) < 0)
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1348 i_error("munmap(%s) failed: %m", trie->path);
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1349 }
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1350
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1351 trie->mmap_size = trie->locked_file_size;
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1352 trie->mmap_base = mmap(NULL, trie->mmap_size,
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1353 PROT_READ | PROT_WRITE,
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1354 MAP_SHARED, trie->fd, 0);
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1355 if (trie->mmap_base == MAP_FAILED) {
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1356 trie->data = trie->mmap_base = NULL;
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1357 trie->data_size = trie->mmap_size = 0;
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1358 i_error("mmap(%s) failed: %m", trie->path);
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1359 return -1;
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1360 }
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1361 memcpy(&trie->hdr, trie->mmap_base, sizeof(trie->hdr));
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1362 trie->data = trie->mmap_base;
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1363 trie->data_size = trie->mmap_size;
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1364 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1365
6944
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1366 return squat_trie_check_header(trie) ? 1 : 0;
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1367 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1368
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1369 static int squat_trie_map(struct squat_trie *trie, bool building)
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1370 {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1371 struct file_lock *file_lock = NULL;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1372 bool changed;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1373 int ret;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1374
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1375 if (trie->fd != -1) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1376 if (squat_trie_lock(trie, F_RDLCK, &file_lock) <= 0)
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1377 return -1;
6944
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1378 if (trie->mmap_disable && trie->file_cache == NULL)
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1379 trie->file_cache = file_cache_new(trie->fd);
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1380 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1381
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1382 ret = squat_trie_map_header(trie);
6944
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1383 if (ret == 0) {
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1384 file_lock_free(&file_lock);
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1385 squat_trie_delete(trie);
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1386 squat_trie_close(trie);
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1387 squat_trie_header_init(trie);
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1388 }
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1389 changed = trie->root.children.offset != trie->hdr.root_offset;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1390
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1391 if (changed || trie->hdr.root_offset == 0) {
7218
43d2f70fb279 Squat fixes
Timo Sirainen <tss@iki.fi>
parents: 7210
diff changeset
1392 node_free(trie, &trie->root);
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1393 memset(&trie->root, 0, sizeof(trie->root));
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1394 trie->root.want_sequential = TRUE;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1395 trie->root.unused_uids = trie->hdr.root_unused_uids;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1396 trie->root.next_uid = trie->hdr.root_next_uid;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1397 trie->root.uid_list_idx = trie->hdr.root_uidlist_idx;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1398 trie->root.children.offset = trie->hdr.root_offset;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1399
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1400 if (trie->hdr.root_offset == 0) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1401 trie->unmapped_child_count = 0;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1402 trie->root.children_not_mapped = FALSE;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1403 } else {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1404 trie->unmapped_child_count = 1;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1405 trie->root.children_not_mapped = TRUE;
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1406 }
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1407 }
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1408
6944
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1409 if (ret >= 0 && !building) {
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1410 /* do this while we're still locked */
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1411 ret = squat_uidlist_refresh(trie->uidlist);
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1412 }
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1413
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1414 if (file_lock != NULL)
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1415 file_unlock(&file_lock);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1416 if (ret < 0)
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1417 return -1;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1418
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1419 return trie->hdr.root_offset == 0 || !changed ? 0 :
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1420 node_read_children(trie, &trie->root, 1);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1421 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1422
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1423 int squat_trie_build_init(struct squat_trie *trie, uint32_t *last_uid_r,
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1424 struct squat_trie_build_context **ctx_r)
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1425 {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1426 struct squat_trie_build_context *ctx;
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1427 struct squat_uidlist_build_context *uidlist_build_ctx;
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1428
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1429 if (trie->fd == -1) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1430 trie->fd = open(trie->path, O_RDWR | O_CREAT, 0600);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1431 if (trie->fd == -1) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1432 i_error("creat(%s) failed: %m", trie->path);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1433 return -1;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1434 }
7218
43d2f70fb279 Squat fixes
Timo Sirainen <tss@iki.fi>
parents: 7210
diff changeset
1435 if (trie->file_cache != NULL)
43d2f70fb279 Squat fixes
Timo Sirainen <tss@iki.fi>
parents: 7210
diff changeset
1436 file_cache_set_fd(trie->file_cache, trie->fd);
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1437 }
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1438
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1439 /* uidlist locks building */
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1440 if (squat_uidlist_build_init(trie->uidlist, &uidlist_build_ctx) < 0)
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1441 return -1;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1442
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1443 if (squat_trie_map(trie, TRUE) < 0) {
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1444 squat_uidlist_build_deinit(&uidlist_build_ctx);
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1445 return -1;
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1446 }
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1447
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1448 ctx = i_new(struct squat_trie_build_context, 1);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1449 ctx->trie = trie;
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1450 ctx->uidlist_build_ctx = uidlist_build_ctx;
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1451 ctx->first_uid = trie->root.next_uid;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1452
6905
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1453 *last_uid_r = I_MAX((trie->root.next_uid+1)/2, 1) - 1;
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1454 *ctx_r = ctx;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1455 return 0;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1456 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1457
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1458 static int squat_trie_write_lock(struct squat_trie_build_context *ctx)
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1459 {
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1460 if (ctx->file_lock != NULL)
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1461 return 0;
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1462
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1463 if (squat_trie_lock(ctx->trie, F_WRLCK, &ctx->file_lock) <= 0)
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1464 return -1;
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1465 return 0;
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1466 }
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1467
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1468 static int squat_trie_write(struct squat_trie_build_context *ctx)
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1469 {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1470 struct squat_trie *trie = ctx->trie;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1471 struct ostream *output;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1472 const char *path;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1473 int fd = -1, ret = 0;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1474
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1475 if ((trie->hdr.used_file_size > sizeof(trie->hdr) &&
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1476 trie->unmapped_child_count < trie->hdr.node_count/4) || 1) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1477 /* we might as well recreate the file */
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1478 ctx->compress_nodes = TRUE;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1479
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1480 path = t_strconcat(trie->path, ".tmp", NULL);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1481 fd = open(path, O_RDWR | O_CREAT, 0600);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1482 if (fd == -1) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1483 i_error("creat(%s) failed: %m", path);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1484 return -1;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1485 }
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1486 ret = file_wait_lock(fd, path, F_WRLCK, trie->lock_method,
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1487 SQUAT_TRIE_LOCK_TIMEOUT, &ctx->file_lock);
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1488 if (ret <= 0) {
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1489 if (ret == 0)
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1490 i_error("file_wait_lock(%s) failed: %m", path);
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1491 (void)close(fd);
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1492 return -1;
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1493 }
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1494
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1495 output = o_stream_create_fd(fd, 0, FALSE);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1496 o_stream_cork(output);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1497 o_stream_send(output, &trie->hdr, sizeof(trie->hdr));
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1498 } else {
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1499 /* we need to lock only while header is being written */
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1500 path = trie->path;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1501 ctx->compress_nodes =
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1502 trie->hdr.used_file_size == sizeof(trie->hdr);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1503 output = o_stream_create_fd(trie->fd, 0, FALSE);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1504 o_stream_cork(output);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1505
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1506 if (trie->hdr.used_file_size != 0)
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1507 o_stream_seek(output, trie->hdr.used_file_size);
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1508 else {
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1509 if (squat_trie_write_lock(ctx) < 0) {
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1510 o_stream_unref(&output);
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1511 return -1;
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1512 }
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1513 o_stream_send(output, &trie->hdr, sizeof(trie->hdr));
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1514 }
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1515 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1516
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1517 ctx->output = output;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1518 ret = squat_write_nodes(ctx);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1519 ctx->output = NULL;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1520
6944
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1521 /* write 1 byte guard at the end of file, so that we can verify broken
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1522 squat_unpack_num() input by checking if data==end */
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1523 o_stream_send(output, "", 1);
66b3e894041b Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents: 6940
diff changeset
1524
6905
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1525 if (trie->corrupted)
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1526 ret = -1;
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1527 if (ret == 0)
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1528 ret = squat_trie_write_lock(ctx);
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1529 if (ret == 0) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1530 trie->hdr.used_file_size = output->offset;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1531 o_stream_seek(output, 0);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1532 o_stream_send(output, &trie->hdr, sizeof(trie->hdr));
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1533 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1534 if (output->last_failed_errno != 0) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1535 errno = output->last_failed_errno;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1536 i_error("write() to %s failed: %m", path);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1537 ret = -1;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1538 }
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1539 o_stream_destroy(&output);
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1540
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1541 if (fd == -1) {
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1542 /* appended to the existing file */
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1543 return ret;
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1544 }
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1545
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1546 /* recreating the trie file */
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1547 if (ret < 0) {
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1548 if (close(fd) < 0)
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1549 i_error("close(%s) failed: %m", path);
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1550 fd = -1;
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1551 } else if (rename(path, trie->path) < 0) {
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1552 i_error("rename(%s, %s) failed: %m", path, trie->path);
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1553 ret = -1;
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1554 }
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1555
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1556 if (ret < 0) {
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1557 if (unlink(path) < 0 && errno != ENOENT)
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1558 i_error("unlink(%s) failed: %m", path);
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1559 } else {
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1560 if (trie->fd != -1) {
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1561 if (close(trie->fd) < 0)
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1562 i_error("close(%s) failed: %m", trie->path);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1563 }
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1564 trie->fd = fd;
7218
43d2f70fb279 Squat fixes
Timo Sirainen <tss@iki.fi>
parents: 7210
diff changeset
1565 if (trie->file_cache != NULL)
43d2f70fb279 Squat fixes
Timo Sirainen <tss@iki.fi>
parents: 7210
diff changeset
1566 file_cache_set_fd(trie->file_cache, trie->fd);
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1567 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1568 return ret;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1569 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1570
7210
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1571 int squat_trie_build_deinit(struct squat_trie_build_context **_ctx,
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1572 const ARRAY_TYPE(seq_range) *expunged_uids)
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1573 {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1574 struct squat_trie_build_context *ctx = *_ctx;
7218
43d2f70fb279 Squat fixes
Timo Sirainen <tss@iki.fi>
parents: 7210
diff changeset
1575 bool compress, unlock = TRUE;
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1576 int ret;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1577
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1578 *_ctx = NULL;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1579
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1580 compress = (ctx->trie->root.next_uid - ctx->first_uid) > 10;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1581
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1582 /* keep trie locked while header is being written and when files are
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1583 being renamed, so that while trie is read locked, uidlist can't
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1584 change under. */
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1585 squat_uidlist_build_flush(ctx->uidlist_build_ctx);
7210
f5f77a3ae203 Initial code to support expunging from squat indexes, probably still buggy.
Timo Sirainen <tss@iki.fi>
parents: 7197
diff changeset
1586 ret = squat_trie_renumber_uidlists(ctx, expunged_uids, compress);
7218
43d2f70fb279 Squat fixes
Timo Sirainen <tss@iki.fi>
parents: 7210
diff changeset
1587 if (ret == 0) {
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1588 ret = squat_trie_write(ctx);
7218
43d2f70fb279 Squat fixes
Timo Sirainen <tss@iki.fi>
parents: 7210
diff changeset
1589 if (ret < 0)
43d2f70fb279 Squat fixes
Timo Sirainen <tss@iki.fi>
parents: 7210
diff changeset
1590 unlock = FALSE;
43d2f70fb279 Squat fixes
Timo Sirainen <tss@iki.fi>
parents: 7210
diff changeset
1591 }
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1592
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1593 if (ret == 0)
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1594 ret = squat_uidlist_build_finish(ctx->uidlist_build_ctx);
7218
43d2f70fb279 Squat fixes
Timo Sirainen <tss@iki.fi>
parents: 7210
diff changeset
1595 if (ctx->file_lock != NULL) {
43d2f70fb279 Squat fixes
Timo Sirainen <tss@iki.fi>
parents: 7210
diff changeset
1596 if (unlock)
43d2f70fb279 Squat fixes
Timo Sirainen <tss@iki.fi>
parents: 7210
diff changeset
1597 file_unlock(&ctx->file_lock);
43d2f70fb279 Squat fixes
Timo Sirainen <tss@iki.fi>
parents: 7210
diff changeset
1598 else
43d2f70fb279 Squat fixes
Timo Sirainen <tss@iki.fi>
parents: 7210
diff changeset
1599 file_lock_free(&ctx->file_lock);
43d2f70fb279 Squat fixes
Timo Sirainen <tss@iki.fi>
parents: 7210
diff changeset
1600 }
6931
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1601 squat_uidlist_build_deinit(&ctx->uidlist_build_ctx);
97702c9c4111 Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents: 6914
diff changeset
1602
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1603 i_free(ctx);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1604 return ret;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1605 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1606
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1607 int squat_trie_get_last_uid(struct squat_trie *trie, uint32_t *last_uid_r)
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1608 {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1609 if (trie->fd == -1) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1610 if (squat_trie_open(trie) < 0)
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1611 return -1;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1612 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1613
6905
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1614 *last_uid_r = I_MAX((trie->root.next_uid+1)/2, 1) - 1;
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1615 return 0;
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1616 }
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1617
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1618 static int
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1619 squat_trie_lookup_data(struct squat_trie *trie, const unsigned char *data,
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1620 unsigned int size, ARRAY_TYPE(seq_range) *uids)
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1621 {
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1622 struct squat_node *node = &trie->root;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1623 unsigned char *chars;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1624 unsigned int idx;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1625 int level = 0;
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1626
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1627 array_clear(uids);
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1628
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1629 for (;;) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1630 if (node->children_not_mapped) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1631 if (node_read_children(trie, node, level) < 0)
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1632 return -1;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1633 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1634 if (node->leaf_string_length != 0) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1635 unsigned int str_len = node->leaf_string_length;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1636 const unsigned char *str;
5414
Timo Sirainen <tss@iki.fi>
parents: 5336
diff changeset
1637
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1638 if (str_len > sizeof(node->children.static_leaf_string))
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1639 str = node->children.leaf_string;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1640 else
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1641 str = node->children.static_leaf_string;
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1642
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1643 if (size > str_len || memcmp(data, str, size) != 0)
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1644 return 0;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1645
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1646 /* match */
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1647 break;
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1648 }
4898
07a038b57946 Optimization.
Timo Sirainen <tss@iki.fi>
parents: 4897
diff changeset
1649
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1650 if (size == 0)
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1651 break;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1652 level++;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1653
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1654 if (node->have_sequential) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1655 if (*data < SEQUENTIAL_COUNT) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1656 idx = *data;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1657 goto found;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1658 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1659 idx = SEQUENTIAL_COUNT;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1660 } else {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1661 idx = 0;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1662 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1663 chars = NODE_CHILDREN_CHARS(node);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1664 for (; idx < node->child_count; idx++) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1665 if (chars[idx] == *data)
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1666 goto found;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1667 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1668 return 0;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1669 found:
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1670 /* follow to children */
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1671 if (level == 1) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1672 /* root level, add all UIDs */
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1673 if (squat_uidlist_get_seqrange(trie->uidlist,
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1674 node->uid_list_idx,
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1675 uids) < 0)
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1676 return -1;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1677 } else {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1678 if (squat_uidlist_filter(trie->uidlist,
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1679 node->uid_list_idx, uids) < 0)
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1680 return -1;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1681 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1682 data++;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1683 size--;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1684 node = NODE_CHILDREN_NODES(node) + idx;
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1685 }
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1686
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1687 if (squat_uidlist_filter(trie->uidlist, node->uid_list_idx, uids) < 0)
4878
88a91d9a867b Fixes. Should be pretty much working now.
Timo Sirainen <tss@iki.fi>
parents: 4855
diff changeset
1688 return -1;
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1689 return 1;
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1690 }
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1691
4878
88a91d9a867b Fixes. Should be pretty much working now.
Timo Sirainen <tss@iki.fi>
parents: 4855
diff changeset
1692 static void
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1693 squat_trie_filter_type(enum squat_index_type type,
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1694 const ARRAY_TYPE(seq_range) *src,
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1695 ARRAY_TYPE(seq_range) *dest)
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1696 {
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1697 const struct seq_range *src_range;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1698 struct seq_range new_range;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1699 unsigned int i, count, mask;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1700 uint32_t next_seq, uid;
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1701
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1702 array_clear(dest);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1703 src_range = array_get(src, &count);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1704 if (count == 0)
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1705 return;
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1706
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1707 if ((type & SQUAT_INDEX_TYPE_HEADER) != 0 &&
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1708 (type & SQUAT_INDEX_TYPE_BODY) != 0) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1709 /* everything is fine, just fix the UIDs */
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1710 new_range.seq1 = src_range[0].seq1 / 2;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1711 new_range.seq2 = src_range[0].seq2 / 2;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1712 for (i = 1; i < count; i++) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1713 next_seq = src_range[i].seq1 / 2;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1714 if (next_seq == new_range.seq2 + 1) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1715 /* we can continue the previous range */
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1716 } else {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1717 array_append(dest, &new_range, 1);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1718 new_range.seq1 = src_range[i].seq1 / 2;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1719 }
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1720 new_range.seq2 = src_range[i].seq2 / 2;
4878
88a91d9a867b Fixes. Should be pretty much working now.
Timo Sirainen <tss@iki.fi>
parents: 4855
diff changeset
1721 }
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1722 array_append(dest, &new_range, 1);
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1723 return;
4886
ae2114f11a0e Memory leak fixes. Also when building a large mailbox flush once in a while
Timo Sirainen <tss@iki.fi>
parents: 4883
diff changeset
1724 }
ae2114f11a0e Memory leak fixes. Also when building a large mailbox flush once in a while
Timo Sirainen <tss@iki.fi>
parents: 4883
diff changeset
1725
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1726 /* we'll have to drop either header or body UIDs */
6914
9c3f0e180751 Index message's all headers (including MIME headers) after the body.
Timo Sirainen <tss@iki.fi>
parents: 6912
diff changeset
1727 mask = (type & SQUAT_INDEX_TYPE_HEADER) != 0 ? 1 : 0;
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1728 for (i = 0; i < count; i++) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1729 for (uid = src_range[i].seq1; uid <= src_range[i].seq2; uid++) {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1730 if ((uid & 1) == mask)
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1731 seq_range_array_add(dest, 0, uid/2);
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1732 }
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1733 }
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1734 }
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1735
6902
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1736 struct squat_trie_lookup_context {
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1737 struct squat_trie *trie;
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1738 enum squat_index_type type;
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1739
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1740 ARRAY_TYPE(seq_range) *definite_uids, *maybe_uids;
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1741 ARRAY_TYPE(seq_range) tmp_uids, tmp_uids2;
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1742 bool first;
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1743 };
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1744
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1745 static int
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1746 squat_trie_lookup_partial(struct squat_trie_lookup_context *ctx,
6911
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
1747 const unsigned char *data, uint8_t *char_lengths,
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
1748 unsigned int size)
6902
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1749 {
6911
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
1750 const unsigned int partial_len = ctx->trie->hdr.partial_len;
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
1751 unsigned int char_idx, max_chars, i, j, bytelen;
6902
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1752 int ret;
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1753
6911
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
1754 max_chars = uni_utf8_strlen_n(data, size);
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
1755 if (max_chars > ctx->trie->hdr.partial_len)
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
1756 max_chars = partial_len;
6902
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1757
6911
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
1758 for (i = 0, char_idx = 0; char_idx < max_chars; char_idx++) {
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
1759 bytelen = 0;
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
1760 for (j = 0; j < partial_len && i+bytelen < size; j++)
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
1761 bytelen += char_lengths[i + bytelen];
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
1762
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
1763 ret = squat_trie_lookup_data(ctx->trie, data + i, bytelen,
6902
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1764 &ctx->tmp_uids);
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1765 if (ret <= 0) {
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1766 array_clear(ctx->maybe_uids);
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1767 return ret;
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1768 }
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1769
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1770 if (ctx->first) {
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1771 squat_trie_filter_type(ctx->type, &ctx->tmp_uids,
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1772 ctx->maybe_uids);
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1773 ctx->first = FALSE;
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1774 } else {
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1775 squat_trie_filter_type(ctx->type, &ctx->tmp_uids,
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1776 &ctx->tmp_uids2);
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1777 seq_range_array_remove_invert_range(ctx->maybe_uids,
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1778 &ctx->tmp_uids2);
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1779 }
6911
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
1780
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
1781 i += char_lengths[i];
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
1782 }
6902
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1783 return 1;
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1784 }
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1785
6905
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1786 static void squat_trie_add_unknown(struct squat_trie *trie,
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1787 ARRAY_TYPE(seq_range) *maybe_uids)
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1788 {
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1789 struct seq_range *range, new_range;
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1790 unsigned int count;
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1791 uint32_t last_uid;
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1792
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1793 last_uid = I_MAX((trie->root.next_uid+1)/2, 1) - 1;
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1794
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1795 range = array_get_modifiable(maybe_uids, &count);
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1796 if (count > 0 && range[count-1].seq2 == last_uid) {
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1797 /* increase the range */
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1798 range[count-1].seq2 = (uint32_t)-1;
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1799 } else {
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1800 new_range.seq1 = last_uid + 1;
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1801 new_range.seq2 = (uint32_t)-1;
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1802 array_append(maybe_uids, &new_range, 1);
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1803 }
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1804 }
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1805
6940
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
1806 static int
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
1807 squat_trie_lookup_real(struct squat_trie *trie, const char *str,
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
1808 enum squat_index_type type,
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
1809 ARRAY_TYPE(seq_range) *definite_uids,
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
1810 ARRAY_TYPE(seq_range) *maybe_uids)
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1811 {
6902
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1812 struct squat_trie_lookup_context ctx;
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1813 unsigned char *data;
6911
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
1814 uint8_t *char_lengths;
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
1815 unsigned int i, start, bytes, str_bytelen, str_charlen;
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1816 int ret = 0;
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1817
7161
b2333f0f23af squat_trie_lookup(): Make sure we clear result arrays first.
Timo Sirainen <tss@iki.fi>
parents: 7159
diff changeset
1818 array_clear(definite_uids);
b2333f0f23af squat_trie_lookup(): Make sure we clear result arrays first.
Timo Sirainen <tss@iki.fi>
parents: 7159
diff changeset
1819 array_clear(maybe_uids);
b2333f0f23af squat_trie_lookup(): Make sure we clear result arrays first.
Timo Sirainen <tss@iki.fi>
parents: 7159
diff changeset
1820
6902
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1821 memset(&ctx, 0, sizeof(ctx));
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1822 ctx.trie = trie;
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1823 ctx.type = type;
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1824 ctx.definite_uids = definite_uids;
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1825 ctx.maybe_uids = maybe_uids;
6945
5915aea5f070 UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
parents: 6944
diff changeset
1826 i_array_init(&ctx.tmp_uids, 128);
5915aea5f070 UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
parents: 6944
diff changeset
1827 i_array_init(&ctx.tmp_uids2, 128);
6902
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1828 ctx.first = TRUE;
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1829
6911
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
1830 str_bytelen = strlen(str);
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
1831 char_lengths = t_malloc0(str_bytelen);
6912
b326327b1f10 Fix for searching <4 char keys.
Timo Sirainen <tss@iki.fi>
parents: 6911
diff changeset
1832 for (i = 0, str_charlen = 0; i < str_bytelen; str_charlen++) {
6911
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
1833 bytes = uni_utf8_char_bytes(str[i]);
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
1834 char_lengths[i] = bytes;
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
1835 i += bytes;
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
1836 }
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
1837 data = squat_data_normalize(trie, (const unsigned char *)str,
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
1838 str_bytelen);
6902
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1839
6911
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
1840 for (i = start = 0; i < str_bytelen && ret >= 0; i += char_lengths[i]) {
6902
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1841 if (data[i] != '\0')
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1842 continue;
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1843
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1844 /* string has nonindexed characters.
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1845 search it in parts. */
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1846 if (i != start) {
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1847 ret = squat_trie_lookup_partial(&ctx, data + start,
6911
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
1848 char_lengths,
6902
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1849 i - start);
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1850 }
6911
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
1851 start = i + char_lengths[i];
6902
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1852 }
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1853
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1854 if (start != 0) {
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1855 /* string has nonindexed characters. finish the search. */
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1856 array_clear(definite_uids);
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1857 if (i != start && ret >= 0) {
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1858 ret = squat_trie_lookup_partial(&ctx, data + start,
6911
a215deb3de8d Fixed non-ASCII searches.
Timo Sirainen <tss@iki.fi>
parents: 6905
diff changeset
1859 char_lengths,
6902
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1860 i - start);
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1861 }
6945
5915aea5f070 UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
parents: 6944
diff changeset
1862 } else {
5915aea5f070 UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
parents: 6944
diff changeset
1863 if (str_charlen <= trie->hdr.partial_len ||
5915aea5f070 UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
parents: 6944
diff changeset
1864 trie->hdr.full_len > trie->hdr.partial_len) {
5915aea5f070 UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
parents: 6944
diff changeset
1865 ret = squat_trie_lookup_data(trie, data, str_bytelen,
5915aea5f070 UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
parents: 6944
diff changeset
1866 &ctx.tmp_uids);
5915aea5f070 UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
parents: 6944
diff changeset
1867 if (ret > 0) {
5915aea5f070 UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
parents: 6944
diff changeset
1868 squat_trie_filter_type(type, &ctx.tmp_uids,
5915aea5f070 UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
parents: 6944
diff changeset
1869 definite_uids);
5915aea5f070 UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
parents: 6944
diff changeset
1870 }
5915aea5f070 UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
parents: 6944
diff changeset
1871 } else {
5915aea5f070 UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
parents: 6944
diff changeset
1872 array_clear(definite_uids);
6902
cff5428c3c4d Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents: 6898
diff changeset
1873 }
4878
88a91d9a867b Fixes. Should be pretty much working now.
Timo Sirainen <tss@iki.fi>
parents: 4855
diff changeset
1874
6945
5915aea5f070 UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
parents: 6944
diff changeset
1875 if (str_charlen <= trie->hdr.partial_len ||
5915aea5f070 UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
parents: 6944
diff changeset
1876 trie->hdr.partial_len == 0) {
5915aea5f070 UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
parents: 6944
diff changeset
1877 /* we have the result */
5915aea5f070 UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
parents: 6944
diff changeset
1878 array_clear(maybe_uids);
5915aea5f070 UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
parents: 6944
diff changeset
1879 } else {
5915aea5f070 UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
parents: 6944
diff changeset
1880 ret = squat_trie_lookup_partial(&ctx, data + start,
5915aea5f070 UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
parents: 6944
diff changeset
1881 char_lengths,
5915aea5f070 UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
parents: 6944
diff changeset
1882 i - start);
5915aea5f070 UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
parents: 6944
diff changeset
1883 }
4878
88a91d9a867b Fixes. Should be pretty much working now.
Timo Sirainen <tss@iki.fi>
parents: 4855
diff changeset
1884 }
6905
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1885 squat_trie_add_unknown(trie, maybe_uids);
6945
5915aea5f070 UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
parents: 6944
diff changeset
1886 array_free(&ctx.tmp_uids);
5915aea5f070 UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
parents: 6944
diff changeset
1887 array_free(&ctx.tmp_uids2);
6905
8c779f3e16be Fixes to FTS handling.
Timo Sirainen <tss@iki.fi>
parents: 6902
diff changeset
1888 return ret < 0 ? -1 : 0;
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1889 }
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1890
6940
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
1891 int squat_trie_lookup(struct squat_trie *trie, const char *str,
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
1892 enum squat_index_type type,
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
1893 ARRAY_TYPE(seq_range) *definite_uids,
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
1894 ARRAY_TYPE(seq_range) *maybe_uids)
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
1895 {
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
1896 int ret;
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
1897
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
1898 T_FRAME(
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
1899 ret = squat_trie_lookup_real(trie, str, type,
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
1900 definite_uids, maybe_uids);
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
1901 );
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
1902 return ret;
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
1903 }
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6931
diff changeset
1904
6418
46d9ee79f292 Removed _ prefix from all public APIs.
Timo Sirainen <tss@iki.fi>
parents: 6414
diff changeset
1905 struct squat_uidlist *squat_trie_get_uidlist(struct squat_trie *trie)
4855
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1906 {
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1907 return trie->uidlist;
5bc593f1a8f6 Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1908 }
6898
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1909
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1910 size_t squat_trie_mem_used(struct squat_trie *trie, unsigned int *count_r)
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1911 {
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1912 *count_r = trie->hdr.node_count;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1913 return trie->node_alloc_size;
e739cffd05ef FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
1914 }