Mercurial > dovecot > original-hg > dovecot-1.2
annotate src/plugins/fts-squat/squat-trie.c @ 7187:d9b87e3ce6c8 HEAD
Treat replacement characters as non-indexed chars.
author | Timo Sirainen <tss@iki.fi> |
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date | Tue, 22 Jan 2008 09:33:40 +0200 |
parents | b2333f0f23af |
children | bb9304dee6d4 |
rev | line source |
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Updated copyright notices to include year 2008.
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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" |
6911 | 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 |
6905 | 20 #define DEFAULT_NORMALIZE_MAP_CHARS \ |
21 "EOTIRSACDNLMVUGPHBFWYXKJQZ0123456789@.-+#$%_&" | |
22 #define DEFAULT_PARTIAL_LEN 4 | |
23 #define DEFAULT_FULL_LEN 4 | |
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 unsigned int idx; |
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47 }; |
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48 |
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49 struct squat_trie_iterate_context { |
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50 struct squat_trie *trie; |
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51 struct squat_trie_iterate_node cur; |
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52 ARRAY_DEFINE(parents, struct squat_trie_iterate_node); |
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53 bool failed; |
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54 }; |
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55 |
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56 static int squat_trie_map(struct squat_trie *trie, bool building); |
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57 |
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58 void squat_trie_delete(struct squat_trie *trie) |
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59 { |
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60 if (unlink(trie->path) < 0 && errno != ENOENT) |
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61 i_error("unlink(%s) failed: %m", trie->path); |
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62 squat_uidlist_delete(trie->uidlist); |
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63 } |
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64 |
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65 static void squat_trie_set_corrupted(struct squat_trie *trie) |
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66 { |
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67 trie->corrupted = TRUE; |
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68 i_error("Corrupted file %s", trie->path); |
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69 squat_trie_delete(trie); |
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70 } |
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71 |
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72 static void squat_trie_normalize_map_build(struct squat_trie *trie) |
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73 { |
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74 static unsigned char valid_chars[] = |
6905 | 75 DEFAULT_NORMALIZE_MAP_CHARS; |
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76 unsigned int i, j; |
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77 |
6905 | 78 memset(trie->default_normalize_map, 0, |
79 sizeof(trie->default_normalize_map)); | |
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80 |
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81 #if 1 |
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82 for (i = 0, j = 1; i < sizeof(valid_chars)-1; i++) { |
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83 unsigned char chr = valid_chars[i]; |
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84 |
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85 if (chr >= 'A' && chr <= 'Z') |
6905 | 86 trie->default_normalize_map[chr-'A'+'a'] = j; |
87 trie->default_normalize_map[chr] = j++; | |
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88 } |
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89 i_assert(j <= SEQUENTIAL_COUNT); |
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90 |
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91 for (i = 128; i < 256; i++) |
6905 | 92 trie->default_normalize_map[i] = j++; |
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93 #else |
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94 for (i = 0; i < sizeof(valid_chars)-1; i++) { |
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95 unsigned char chr = valid_chars[i]; |
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97 if (chr >= 'A' && chr <= 'Z') |
6905 | 98 trie->default_normalize_map[chr-'A'+'a'] = chr; |
99 trie->default_normalize_map[chr] = chr; | |
4890 | 100 } |
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101 for (i = 128; i < 256; i++) |
6905 | 102 trie->default_normalize_map[i] = i_toupper(i); |
4890 | 103 #endif |
104 } | |
105 | |
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106 static void node_free(struct squat_trie *trie, struct squat_node *node) |
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107 { |
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108 struct squat_node *children; |
4890 | 109 unsigned int i; |
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110 |
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111 if (NODE_IS_DYNAMIC_LEAF(node)) |
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112 i_free(node->children.leaf_string); |
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113 else if (!node->children_not_mapped && node->child_count > 0) { |
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114 children = NODE_CHILDREN_NODES(node); |
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115 |
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116 trie->node_alloc_size -= |
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117 NODE_CHILDREN_ALLOC_SIZE(node->child_count); |
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118 for (i = 0; i < node->child_count; i++) |
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119 node_free(trie, &children[i]); |
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120 |
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121 i_free(node->children.data); |
4898 | 122 } |
123 } | |
124 | |
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125 struct squat_trie * |
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126 squat_trie_init(const char *path, uint32_t uidvalidity, |
4879 | 127 enum file_lock_method lock_method, bool mmap_disable) |
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128 { |
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129 struct squat_trie *trie; |
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130 |
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131 trie = i_new(struct squat_trie, 1); |
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132 trie->path = i_strdup(path); |
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133 trie->uidlist = squat_uidlist_init(trie); |
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134 trie->fd = -1; |
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135 trie->lock_method = lock_method; |
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136 trie->uidvalidity = uidvalidity; |
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137 trie->mmap_disable = mmap_disable; |
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138 squat_trie_normalize_map_build(trie); |
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139 return trie; |
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140 } |
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141 |
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142 static void squat_trie_close(struct squat_trie *trie) |
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143 { |
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144 trie->corrupted = FALSE; |
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145 node_free(trie, &trie->root); |
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146 memset(&trie->root, 0, sizeof(trie->root)); |
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147 memset(&trie->hdr, 0, sizeof(trie->hdr)); |
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148 |
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149 trie->data = NULL; |
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150 trie->data_size = 0; |
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151 |
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152 if (trie->file_cache != NULL) |
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153 file_cache_free(&trie->file_cache); |
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154 if (trie->mmap_size != 0) { |
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155 if (munmap(trie->mmap_base, trie->mmap_size) < 0) |
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156 i_error("munmap(%s) failed: %m", trie->path); |
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157 } |
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158 if (trie->fd != -1) { |
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159 if (close(trie->fd) < 0) |
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160 i_error("close(%s) failed: %m", trie->path); |
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161 trie->fd = -1; |
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162 } |
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163 trie->locked_file_size = 0; |
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164 } |
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165 |
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166 void squat_trie_deinit(struct squat_trie **_trie) |
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167 { |
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168 struct squat_trie *trie = *_trie; |
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169 |
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170 *_trie = NULL; |
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171 squat_trie_close(trie); |
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172 squat_uidlist_deinit(trie->uidlist); |
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173 i_free(trie->path); |
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174 i_free(trie); |
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175 } |
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176 |
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177 static void squat_trie_header_init(struct squat_trie *trie) |
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178 { |
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179 memset(&trie->hdr, 0, sizeof(trie->hdr)); |
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180 trie->hdr.version = SQUAT_TRIE_VERSION; |
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181 trie->hdr.indexid = time(NULL); |
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182 trie->hdr.uidvalidity = trie->uidvalidity; |
6905 | 183 trie->hdr.partial_len = DEFAULT_PARTIAL_LEN; |
184 trie->hdr.full_len = DEFAULT_FULL_LEN; | |
185 | |
186 i_assert(sizeof(trie->hdr.normalize_map) == | |
187 sizeof(trie->default_normalize_map)); | |
188 memcpy(trie->hdr.normalize_map, trie->default_normalize_map, | |
189 sizeof(trie->hdr.normalize_map)); | |
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190 } |
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191 |
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192 static int squat_trie_open_fd(struct squat_trie *trie) |
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193 { |
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194 trie->fd = open(trie->path, O_RDWR); |
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195 if (trie->fd == -1) { |
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196 if (errno == ENOENT) { |
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197 squat_trie_header_init(trie); |
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198 return 0; |
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199 } |
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200 i_error("open(%s) failed: %m", trie->path); |
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201 return -1; |
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202 } |
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203 return 0; |
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204 } |
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205 |
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206 static int squat_trie_open(struct squat_trie *trie) |
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207 { |
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208 squat_trie_close(trie); |
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209 |
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210 if (squat_trie_open_fd(trie) < 0) |
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211 return -1; |
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212 return squat_trie_map(trie, FALSE); |
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213 } |
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214 |
4879 | 215 static int squat_trie_is_file_stale(struct squat_trie *trie) |
216 { | |
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217 struct stat st, st2; |
4879 | 218 |
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219 if (stat(trie->path, &st) < 0) { |
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220 if (errno == ENOENT) |
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221 return 1; |
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222 |
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223 i_error("stat(%s) failed: %m", trie->path); |
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224 return -1; |
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225 } |
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226 if (fstat(trie->fd, &st2) < 0) { |
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227 i_error("fstat(%s) failed: %m", trie->path); |
4879 | 228 return -1; |
229 } | |
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230 trie->locked_file_size = st2.st_size; |
4879 | 231 |
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232 return st.st_ino == st2.st_ino && |
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233 CMP_DEV_T(st.st_dev, st2.st_dev) ? 0 : 1; |
4879 | 234 } |
235 | |
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236 void squat_trie_refresh(struct squat_trie *trie) |
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237 { |
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238 if (squat_trie_is_file_stale(trie) > 0) |
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239 (void)squat_trie_open(trie); |
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240 } |
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241 |
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242 static int squat_trie_lock(struct squat_trie *trie, int lock_type, |
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243 struct file_lock **file_lock_r) |
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244 { |
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245 int ret; |
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246 |
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247 while (trie->fd != -1) { |
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248 ret = file_wait_lock(trie->fd, trie->path, lock_type, |
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249 trie->lock_method, SQUAT_TRIE_LOCK_TIMEOUT, |
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250 file_lock_r); |
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251 if (ret == 0) { |
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252 i_error("file_wait_lock(%s) failed: %m", trie->path); |
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253 return 0; |
4879 | 254 } |
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255 if (ret < 0) |
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256 return -1; |
4879 | 257 |
258 /* if the trie has been compressed, we need to reopen the | |
259 file and try to lock again */ | |
260 ret = squat_trie_is_file_stale(trie); | |
261 if (ret == 0) | |
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262 return 1; |
4879 | 263 |
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264 file_unlock(file_lock_r); |
4879 | 265 if (ret < 0) |
266 return -1; | |
267 | |
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268 squat_trie_close(trie); |
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269 if (squat_trie_open_fd(trie) < 0) |
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270 return -1; |
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271 } |
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272 return 0; |
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273 } |
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274 |
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275 static void |
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276 node_make_squential(struct squat_trie *trie, struct squat_node *node, int level) |
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277 { |
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278 const unsigned int alloc_size = |
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279 NODE_CHILDREN_ALLOC_SIZE(SEQUENTIAL_COUNT); |
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280 struct squat_node *children; |
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281 unsigned char *chars; |
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282 unsigned int i; |
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283 |
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284 i_assert(node->child_count == 0); |
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285 |
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286 trie->node_alloc_size += alloc_size; |
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287 |
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288 node->want_sequential = FALSE; |
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289 node->have_sequential = TRUE; |
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290 |
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291 node->child_count = SEQUENTIAL_COUNT; |
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292 node->children.data = i_malloc(alloc_size); |
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293 |
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294 chars = NODE_CHILDREN_CHARS(node); |
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295 for (i = 0; i < SEQUENTIAL_COUNT; i++) |
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296 chars[i] = i; |
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297 |
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298 if (level < MAX_FAST_LEVEL) { |
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299 children = NODE_CHILDREN_NODES(node); |
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300 for (i = 0; i < SEQUENTIAL_COUNT; i++) |
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301 children[i].want_sequential = TRUE; |
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302 } |
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303 } |
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304 |
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305 static unsigned int |
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306 node_add_child(struct squat_trie *trie, struct squat_node *node, |
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307 unsigned char chr, int level) |
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308 { |
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309 unsigned int old_child_count = node->child_count; |
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310 struct squat_node *children, *old_children; |
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311 unsigned char *chars; |
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312 size_t old_size, new_size; |
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313 |
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314 i_assert(node->leaf_string_length == 0); |
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315 |
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316 if (node->want_sequential) { |
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317 node_make_squential(trie, node, level); |
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318 |
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319 if (chr < SEQUENTIAL_COUNT) |
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320 return chr; |
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321 old_child_count = SEQUENTIAL_COUNT; |
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322 } |
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323 |
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324 node->child_count++; |
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325 new_size = NODE_CHILDREN_ALLOC_SIZE(node->child_count); |
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326 |
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327 if (old_child_count == 0) { |
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328 /* first child */ |
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329 node->children.data = i_malloc(new_size); |
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330 trie->node_alloc_size += new_size; |
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331 children = NODE_CHILDREN_NODES(node); |
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332 } else { |
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333 old_size = NODE_CHILDREN_ALLOC_SIZE(old_child_count); |
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334 if (old_size != new_size) { |
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335 trie->node_alloc_size += new_size - old_size; |
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336 node->children.data = i_realloc(node->children.data, |
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337 old_size, new_size); |
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338 } |
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339 |
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340 children = NODE_CHILDREN_NODES(node); |
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341 old_children = (void *)(NODE_CHILDREN_CHARS(node) + |
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342 MEM_ALIGN(old_child_count)); |
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343 if (children != old_children) { |
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344 memmove(children, old_children, |
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345 old_child_count * sizeof(struct squat_node)); |
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346 } |
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347 } |
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348 |
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349 chars = NODE_CHILDREN_CHARS(node); |
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350 chars[node->child_count - 1] = chr; |
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351 return node->child_count - 1; |
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352 } |
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353 |
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354 static int |
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355 trie_file_cache_read(struct squat_trie *trie, size_t offset, size_t size) |
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356 { |
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357 if (trie->file_cache == NULL) |
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358 return 0; |
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359 |
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360 if (file_cache_read(trie->file_cache, offset, size) < 0) { |
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361 i_error("read(%s) failed: %m", trie->path); |
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362 return -1; |
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363 } |
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364 trie->data = file_cache_get_map(trie->file_cache, &trie->data_size); |
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365 return 0; |
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366 } |
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367 |
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368 static int |
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369 node_read_children(struct squat_trie *trie, struct squat_node *node, int level) |
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370 { |
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371 const uint8_t *data, *end; |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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372 const unsigned char *child_chars; |
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373 struct squat_node *child, *children = NULL; |
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374 uoff_t node_offset; |
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375 unsigned int i, child_idx, child_count; |
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376 uoff_t base_offset; |
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377 uint32_t num; |
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378 |
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379 i_assert(node->children_not_mapped); |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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|
380 i_assert(!node->have_sequential); |
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|
381 i_assert(trie->unmapped_child_count > 0); |
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Support mmap_disable=yes and some error handling improvements.
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382 i_assert(trie->data_size <= trie->locked_file_size); |
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383 |
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384 trie->unmapped_child_count--; |
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385 node_offset = node->children.offset; |
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386 node->children_not_mapped = FALSE; |
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387 node->children.data = NULL; |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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|
388 |
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Support mmap_disable=yes and some error handling improvements.
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389 if (trie_file_cache_read(trie, node_offset, TRIE_READAHEAD_SIZE) < 0) |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
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390 return -1; |
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Support mmap_disable=yes and some error handling improvements.
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391 if (unlikely(node_offset >= trie->data_size)) { |
6898
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parents:
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392 squat_trie_set_corrupted(trie); |
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393 return -1; |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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394 } |
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|
395 |
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Support mmap_disable=yes and some error handling improvements.
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396 data = CONST_PTR_OFFSET(trie->data, node_offset); |
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Support mmap_disable=yes and some error handling improvements.
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397 end = CONST_PTR_OFFSET(trie->data, trie->data_size); |
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398 child_count = *data++; |
6944
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Support mmap_disable=yes and some error handling improvements.
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parents:
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399 if (unlikely(node_offset + child_count >= trie->data_size)) { |
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parents:
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400 squat_trie_set_corrupted(trie); |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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changeset
|
401 return -1; |
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|
402 } |
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changeset
|
403 |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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changeset
|
404 if (child_count == 0) |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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405 return 0; |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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changeset
|
406 |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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changeset
|
407 child_chars = data; |
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408 data += child_count; |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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diff
changeset
|
409 |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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diff
changeset
|
410 /* get child offsets */ |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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changeset
|
411 base_offset = node_offset; |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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diff
changeset
|
412 for (i = 0; i < child_count; i++) { |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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changeset
|
413 /* we always start with !have_sequential, so at i=0 this |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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changeset
|
414 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:
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diff
changeset
|
415 if (node->have_sequential && child_chars[i] < SEQUENTIAL_COUNT) |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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changeset
|
416 child_idx = child_chars[i]; |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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|
417 else { |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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|
418 child_idx = node_add_child(trie, node, child_chars[i], |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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|
419 level); |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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changeset
|
420 children = NODE_CHILDREN_NODES(node); |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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diff
changeset
|
421 } |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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diff
changeset
|
422 child = &children[child_idx]; |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
423 |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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diff
changeset
|
424 /* 1) child offset */ |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
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diff
changeset
|
425 num = squat_unpack_num(&data, end); |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
426 if (num == 0) { |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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diff
changeset
|
427 /* no children */ |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
428 } else { |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
429 if ((num & 1) != 0) { |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
430 base_offset += num >> 1; |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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diff
changeset
|
431 } else { |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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changeset
|
432 base_offset -= num >> 1; |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
433 } |
6944
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
6940
diff
changeset
|
434 if (base_offset >= trie->locked_file_size) { |
6898
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
435 squat_trie_set_corrupted(trie); |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
436 return -1; |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
437 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
438 trie->unmapped_child_count++; |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
439 child->children_not_mapped = TRUE; |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
440 child->children.offset = base_offset; |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
441 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
442 |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
443 /* 2) uidlist */ |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
444 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
|
445 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:
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diff
changeset
|
446 /* 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:
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diff
changeset
|
447 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
|
448 return -1; |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
449 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
450 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
|
451 /* 3) next uid */ |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
452 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:
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diff
changeset
|
453 } else { |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
454 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
|
455 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
456 child->next_uid = 1 + |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
457 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:
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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 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
460 /* 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:
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diff
changeset
|
461 num = squat_unpack_num(&data, end); |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
462 child->unused_uids = num >> 1; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
463 if ((num & 1) != 0) { |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
464 /* leaf string */ |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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changeset
|
465 unsigned int len; |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
466 unsigned char *dest; |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
467 |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
468 /* 5) leaf string length */ |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
469 len = child->leaf_string_length = |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
470 squat_unpack_num(&data, end) + 1; |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
471 if (!NODE_IS_DYNAMIC_LEAF(child)) |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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diff
changeset
|
472 dest = child->children.static_leaf_string; |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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diff
changeset
|
473 else { |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
474 dest = child->children.leaf_string = |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
475 i_malloc(len); |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
476 } |
6944
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
6940
diff
changeset
|
477 |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
6940
diff
changeset
|
478 if (trie->file_cache != NULL) { |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
6940
diff
changeset
|
479 /* the string may be long - |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
6940
diff
changeset
|
480 recalculate the end pos */ |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
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diff
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|
481 size_t offset, size; |
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Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
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diff
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|
482 |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
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diff
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|
483 offset = (const char *)data - |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
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diff
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|
484 (const char *)trie->data; |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
485 size = len + TRIE_BYTES_LEFT(child_count - i); |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
486 |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
6940
diff
changeset
|
487 if (trie_file_cache_read(trie, offset, |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
488 size) < 0) |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
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changeset
|
489 return -1; |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
490 data = CONST_PTR_OFFSET(trie->data, offset); |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
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diff
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|
491 end = CONST_PTR_OFFSET(trie->data, |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
492 trie->data_size); |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
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diff
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|
493 } |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
494 |
7043
7708a8c166d6
Compiler warning fixes on 32bit systems.
Timo Sirainen <tss@iki.fi>
parents:
6945
diff
changeset
|
495 if ((size_t)(end - data) < len) { |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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diff
changeset
|
496 squat_trie_set_corrupted(trie); |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
497 return -1; |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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changeset
|
498 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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|
499 memcpy(dest, data, len); |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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diff
changeset
|
500 data += len; |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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diff
changeset
|
501 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
502 } |
6944
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
503 if (unlikely(data == end)) { |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
504 /* we should never get this far */ |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
505 squat_trie_set_corrupted(trie); |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
506 return -1; |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
507 } |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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|
508 return 0; |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
509 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
510 |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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diff
changeset
|
511 static void |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
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diff
changeset
|
512 node_write_children(struct squat_trie_build_context *ctx, |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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diff
changeset
|
513 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:
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diff
changeset
|
514 { |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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changeset
|
515 struct squat_node *children; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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|
516 const unsigned char *chars; |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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changeset
|
517 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>
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changeset
|
518 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
|
519 unsigned int i; |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
520 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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|
521 chars = NODE_CHILDREN_CHARS(node); |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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|
522 children = NODE_CHILDREN_NODES(node); |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
523 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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changeset
|
524 base_offset = ctx->output->offset; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
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|
525 child_count = node->child_count; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
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diff
changeset
|
526 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:
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diff
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|
527 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:
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diff
changeset
|
528 |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
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changeset
|
529 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:
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diff
changeset
|
530 bufp = buf; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
531 /* 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
|
532 if (node_offsets[i] == 0) |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
533 *bufp++ = 0; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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changeset
|
534 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:
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diff
changeset
|
535 squat_pack_num(&bufp, |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
536 ((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
|
537 base_offset = node_offsets[i]; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
538 } else { |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
539 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
|
540 (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
|
541 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
|
542 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
543 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
544 /* 2) uidlist */ |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
545 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
|
546 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
|
547 /* 3) next uid */ |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
548 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
|
549 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
550 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
551 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
|
552 /* 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
|
553 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
|
554 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
|
555 } else { |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
556 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
|
557 /* 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
|
558 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
|
559 /* 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
|
560 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
|
561 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
|
562 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
|
563 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
|
564 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
|
565 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
566 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
567 } |
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 static inline void |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
570 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
|
571 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
|
572 { |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
573 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
|
574 /* duplicate */ |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
575 return; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
576 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
577 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
|
578 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
|
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->uid_list_idx = |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
581 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
|
582 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
|
583 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
584 |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
585 static void |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
586 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
|
587 { |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
588 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
|
589 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
|
590 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
|
591 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
592 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
|
593 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
594 /* 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
|
595 removing it. */ |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
596 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
|
597 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
|
598 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
|
599 else { |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
600 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
|
601 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
|
602 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
603 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
|
604 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
605 /* 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
|
606 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:
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diff
changeset
|
607 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
|
608 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
609 /* 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:
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diff
changeset
|
610 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
|
611 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
|
612 child->uid_list_idx = |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
613 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
|
614 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
|
615 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
616 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
617 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
|
618 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
|
619 /* 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:
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diff
changeset
|
620 str_len--; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
621 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
|
622 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
|
623 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
|
624 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
|
625 } else { |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
626 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
|
627 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
|
628 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
629 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
630 } |
4855
5bc593f1a8f6
Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
631 |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
632 static bool |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
633 node_leaf_string_add_or_split(struct squat_trie_build_context *ctx, |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
634 struct squat_node *node, |
6898
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
635 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:
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diff
changeset
|
636 { |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
637 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
|
638 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:
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diff
changeset
|
639 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
|
640 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
641 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
|
642 /* 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
|
643 T_FRAME( |
414c9d631a81
Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents:
6931
diff
changeset
|
644 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
|
645 ); |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
646 return FALSE; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
647 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
648 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
649 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
|
650 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
|
651 /* non-match */ |
6940
414c9d631a81
Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents:
6931
diff
changeset
|
652 T_FRAME( |
414c9d631a81
Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents:
6931
diff
changeset
|
653 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
|
654 ); |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
655 return FALSE; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
656 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
657 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
658 return TRUE; |
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 |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
661 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
|
662 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
|
663 { |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
664 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
|
665 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
|
666 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
|
667 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
|
668 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
|
669 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
|
670 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
671 for (;;) { |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
672 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
|
673 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
|
674 return -1; |
5bc593f1a8f6
Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
675 } |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
676 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
677 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
|
678 /* 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
|
679 the node */ |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
680 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
|
681 end - data)) { |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
682 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
|
683 return 0; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
684 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
685 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
686 |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
687 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
|
688 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
689 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
|
690 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
|
691 return -1; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
692 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
693 /* 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
|
694 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
|
695 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
|
696 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
|
697 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
|
698 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
699 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
|
700 return 0; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
701 level++; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
702 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
703 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
|
704 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
|
705 idx = *data; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
706 goto found; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
707 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
708 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
|
709 } else { |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
710 idx = 0; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
711 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
712 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
|
713 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
|
714 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
|
715 goto found; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
716 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
717 break; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
718 found: |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
719 data++; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
720 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
|
721 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
722 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
723 /* 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
|
724 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
|
725 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
726 for (;;) { |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
727 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
|
728 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
|
729 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
|
730 |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
731 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
|
732 uid = 0; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
733 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
734 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
|
735 break; |
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 (!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
|
738 /* 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
|
739 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
|
740 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
741 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
|
742 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
|
743 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
|
744 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
|
745 data, len); |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
746 } else { |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
747 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
|
748 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
|
749 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
750 break; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
751 } |
4855
5bc593f1a8f6
Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
752 } |
5bc593f1a8f6
Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
753 return 0; |
5bc593f1a8f6
Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
754 } |
5bc593f1a8f6
Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
755 |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
756 static int |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
757 squat_build_word_bytes(struct squat_trie_build_context *ctx, uint32_t uid, |
6911 | 758 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
|
759 { |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
760 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
|
761 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
|
762 |
6911 | 763 if (trie->hdr.full_len <= trie->hdr.partial_len) |
764 i = 0; | |
765 else { | |
766 /* the first word is longer than others */ | |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
767 if (squat_build_add(ctx, uid, data, |
6911 | 768 I_MIN(size, trie->hdr.full_len)) < 0) |
769 return -1; | |
770 i = 1; | |
771 } | |
772 | |
773 for (; i < size; i++) { | |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
774 if (squat_build_add(ctx, uid, data + i, |
6911 | 775 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
|
776 return -1; |
d8adbe93c969
Added support for mmap_disable=yes and several other fixes.
Timo Sirainen <tss@iki.fi>
parents:
4879
diff
changeset
|
777 } |
6911 | 778 return 0; |
779 } | |
780 | |
781 static int | |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
782 squat_build_word(struct squat_trie_build_context *ctx, uint32_t uid, |
6911 | 783 const unsigned char *data, const uint8_t *char_lengths, |
784 unsigned int size) | |
785 { | |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
786 struct squat_trie *trie = ctx->trie; |
6911 | 787 unsigned int i, j, bytelen; |
788 | |
789 if (char_lengths == NULL) { | |
790 /* optimization path: all characters are bytes */ | |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
791 return squat_build_word_bytes(ctx, uid, data, size); |
6911 | 792 } |
793 | |
794 if (trie->hdr.full_len <= trie->hdr.partial_len) | |
795 i = 0; | |
796 else { | |
797 /* the first word is longer than others */ | |
798 bytelen = 0; | |
799 for (j = 0; j < trie->hdr.full_len && bytelen < size; j++) | |
800 bytelen += char_lengths[bytelen]; | |
801 i_assert(bytelen <= size); | |
802 | |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
803 if (squat_build_add(ctx, uid, data, bytelen) < 0) |
6911 | 804 return -1; |
805 i = char_lengths[0]; | |
806 } | |
807 | |
808 for (; i < size; i += char_lengths[i]) { | |
809 bytelen = 0; | |
810 for (j = 0; j < trie->hdr.partial_len && i+bytelen < size; j++) | |
811 bytelen += char_lengths[i + bytelen]; | |
812 i_assert(i + bytelen <= size); | |
813 | |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
814 if (squat_build_add(ctx, uid, data + i, bytelen) < 0) |
6911 | 815 return -1; |
816 } | |
817 return 0; | |
4855
5bc593f1a8f6
Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
818 } |
5bc593f1a8f6
Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
819 |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
820 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
|
821 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
|
822 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
|
823 { |
7187
d9b87e3ce6c8
Treat replacement characters as non-indexed chars.
Timo Sirainen <tss@iki.fi>
parents:
7161
diff
changeset
|
824 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
|
825 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
|
826 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
|
827 |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
828 dest = t_malloc(size); |
7187
d9b87e3ce6c8
Treat replacement characters as non-indexed chars.
Timo Sirainen <tss@iki.fi>
parents:
7161
diff
changeset
|
829 for (i = 0; i < size; i++) { |
d9b87e3ce6c8
Treat replacement characters as non-indexed chars.
Timo Sirainen <tss@iki.fi>
parents:
7161
diff
changeset
|
830 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
|
831 data[i+1] == replacement_utf8[1] && |
d9b87e3ce6c8
Treat replacement characters as non-indexed chars.
Timo Sirainen <tss@iki.fi>
parents:
7161
diff
changeset
|
832 data[i+2] == replacement_utf8[2]) { |
d9b87e3ce6c8
Treat replacement characters as non-indexed chars.
Timo Sirainen <tss@iki.fi>
parents:
7161
diff
changeset
|
833 /* Don't index replacement character */ |
d9b87e3ce6c8
Treat replacement characters as non-indexed chars.
Timo Sirainen <tss@iki.fi>
parents:
7161
diff
changeset
|
834 dest[i++] = 0; |
d9b87e3ce6c8
Treat replacement characters as non-indexed chars.
Timo Sirainen <tss@iki.fi>
parents:
7161
diff
changeset
|
835 dest[i++] = 0; |
d9b87e3ce6c8
Treat replacement characters as non-indexed chars.
Timo Sirainen <tss@iki.fi>
parents:
7161
diff
changeset
|
836 dest[i] = 0; |
d9b87e3ce6c8
Treat replacement characters as non-indexed chars.
Timo Sirainen <tss@iki.fi>
parents:
7161
diff
changeset
|
837 } else { |
d9b87e3ce6c8
Treat replacement characters as non-indexed chars.
Timo Sirainen <tss@iki.fi>
parents:
7161
diff
changeset
|
838 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
|
839 } |
d9b87e3ce6c8
Treat replacement characters as non-indexed chars.
Timo Sirainen <tss@iki.fi>
parents:
7161
diff
changeset
|
840 } |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
841 return dest; |
4855
5bc593f1a8f6
Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
842 } |
5bc593f1a8f6
Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
843 |
6940
414c9d631a81
Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents:
6931
diff
changeset
|
844 static int |
414c9d631a81
Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents:
6931
diff
changeset
|
845 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
|
846 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
|
847 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
|
848 { |
4878
88a91d9a867b
Fixes. Should be pretty much working now.
Timo Sirainen <tss@iki.fi>
parents:
4855
diff
changeset
|
849 struct squat_trie *trie = ctx->trie; |
6911 | 850 const unsigned char *data; |
851 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
|
852 unsigned int i, start = 0; |
6911 | 853 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
|
854 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
|
855 |
6914
9c3f0e180751
Index message's all headers (including MIME headers) after the body.
Timo Sirainen <tss@iki.fi>
parents:
6912
diff
changeset
|
856 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
|
857 |
6911 | 858 char_lengths = t_malloc(size); |
859 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
|
860 for (i = 0; i < size; i++) { |
6911 | 861 char_lengths[i] = uni_utf8_char_bytes(input[i]); |
862 if (char_lengths[i] != 1) | |
863 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
|
864 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
|
865 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
|
866 |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
867 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
|
868 start++; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
869 if (i != start) { |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
870 if (squat_build_word(ctx, uid, data + start, |
6911 | 871 !multibyte_chars ? NULL : |
872 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
|
873 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
|
874 ret = -1; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
875 start = i; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
876 break; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
877 } |
4883
d8adbe93c969
Added support for mmap_disable=yes and several other fixes.
Timo Sirainen <tss@iki.fi>
parents:
4879
diff
changeset
|
878 } |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
879 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
|
880 } |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
881 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
|
882 start++; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
883 if (i != start) { |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
884 if (squat_build_word(ctx, uid, data + start, |
6911 | 885 !multibyte_chars ? NULL : |
886 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
|
887 ret = -1; |
4855
5bc593f1a8f6
Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
888 } |
6940
414c9d631a81
Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents:
6931
diff
changeset
|
889 return ret; |
414c9d631a81
Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents:
6931
diff
changeset
|
890 } |
414c9d631a81
Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents:
6931
diff
changeset
|
891 |
414c9d631a81
Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents:
6931
diff
changeset
|
892 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
|
893 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
|
894 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
|
895 { |
414c9d631a81
Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents:
6931
diff
changeset
|
896 int ret; |
414c9d631a81
Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents:
6931
diff
changeset
|
897 |
414c9d631a81
Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents:
6931
diff
changeset
|
898 T_FRAME( |
414c9d631a81
Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents:
6931
diff
changeset
|
899 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
|
900 ); |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
901 return ret; |
4855
5bc593f1a8f6
Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
902 } |
5bc593f1a8f6
Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
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 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
|
905 { |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
906 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
|
907 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
|
908 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
|
909 |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
910 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
|
911 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
|
912 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
913 /* move chars */ |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
914 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
|
915 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
|
916 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
|
917 } |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
918 node->child_count = j; |
4890 | 919 |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
920 /* 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
|
921 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
|
922 same node. */ |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
923 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
|
924 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
|
925 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
|
926 children_dest[j++] = children_src[i]; |
4890 | 927 } |
928 } | |
929 | |
4855
5bc593f1a8f6
Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
930 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
|
931 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
|
932 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
|
933 { |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
934 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
|
935 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
|
936 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
|
937 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
|
938 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
|
939 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
|
940 |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
941 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
|
942 |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
943 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
|
944 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
|
945 return -1; |
5bc593f1a8f6
Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
946 } |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
947 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
948 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
|
949 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
|
950 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
951 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
|
952 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
|
953 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
|
954 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
|
955 *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
|
956 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
|
957 return 0; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
958 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
959 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
|
960 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
961 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
|
962 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
963 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
|
964 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
|
965 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
|
966 T_FRAME( |
414c9d631a81
Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents:
6931
diff
changeset
|
967 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
|
968 &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
|
969 ); |
414c9d631a81
Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents:
6931
diff
changeset
|
970 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
|
971 return -1; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
972 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
973 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
974 *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
|
975 node_write_children(ctx, node, node_offsets); |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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|
976 return 0; |
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parents:
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|
977 } |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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changeset
|
978 |
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Timo Sirainen <tss@iki.fi>
parents:
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|
979 static int squat_write_nodes(struct squat_trie_build_context *ctx) |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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changeset
|
980 { |
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|
981 struct squat_trie *trie = ctx->trie; |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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|
982 uoff_t node_offset; |
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parents:
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|
983 int ret; |
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|
984 |
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|
985 if (ctx->trie->root.next_uid == 0) |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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|
986 return 0; |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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|
987 |
6940
414c9d631a81
Replaced t_push/t_pop calls with T_FRAME*() macros.
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|
988 T_FRAME( |
414c9d631a81
Replaced t_push/t_pop calls with T_FRAME*() macros.
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|
989 ret = squat_write_node(ctx, &ctx->trie->root, &node_offset, 0); |
414c9d631a81
Replaced t_push/t_pop calls with T_FRAME*() macros.
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parents:
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|
990 ); |
6898
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991 if (ret < 0) |
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|
992 return -1; |
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changeset
|
993 |
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|
994 trie->hdr.root_offset = node_offset; |
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995 trie->hdr.root_unused_uids = trie->root.unused_uids; |
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|
996 trie->hdr.root_next_uid = trie->root.next_uid; |
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997 trie->hdr.root_uidlist_idx = trie->root.uid_list_idx; |
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|
998 return 0; |
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parents:
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|
999 } |
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|
1000 |
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|
1001 static struct squat_trie_iterate_context * |
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1002 squat_trie_iterate_uidlist_init(struct squat_trie *trie) |
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|
1003 { |
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|
1004 struct squat_trie_iterate_context *ctx; |
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|
1005 |
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1006 ctx = i_new(struct squat_trie_iterate_context, 1); |
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1007 ctx->trie = trie; |
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1008 ctx->cur.node = &trie->root; |
6905 | 1009 i_array_init(&ctx->parents, trie->hdr.partial_len*2); |
6898
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1010 return ctx; |
4855
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Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
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|
1011 } |
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Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
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|
1012 |
4878
88a91d9a867b
Fixes. Should be pretty much working now.
Timo Sirainen <tss@iki.fi>
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|
1013 static int |
6898
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1014 squat_trie_iterate_uidlist_deinit(struct squat_trie_iterate_context *ctx) |
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1015 { |
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1016 int ret = ctx->failed ? -1 : 0; |
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1017 |
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1018 array_free(&ctx->parents); |
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1019 i_free(ctx); |
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1020 return ret; |
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1021 } |
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1022 |
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1023 static struct squat_node * |
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1024 squat_trie_iterate_uidlist_first(struct squat_trie_iterate_context *ctx) |
4855
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Added "squat" full text search indexer backend. Its name and basic ideas
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parents:
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|
1025 { |
6898
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1026 struct squat_node *node = ctx->cur.node; |
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|
1027 int level; |
4855
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Added "squat" full text search indexer backend. Its name and basic ideas
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parents:
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|
1028 |
6898
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1029 if (UIDLIST_IS_SINGLETON(node->uid_list_idx)) { |
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|
1030 /* no uidlists */ |
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1031 i_assert(node == &ctx->trie->root); |
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1032 return NULL; |
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1033 } |
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|
1034 |
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|
1035 if (node->children_not_mapped) { |
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parents:
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|
1036 level = array_count(&ctx->parents); |
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|
1037 |
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1038 if (node_read_children(ctx->trie, node, level) < 0) { |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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|
1039 ctx->failed = TRUE; |
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|
1040 return NULL; |
4855
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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 } |
6898
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|
1043 return node; |
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|
1044 } |
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|
1045 |
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|
1046 static struct squat_node * |
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|
1047 squat_trie_iterate_uidlist_next(struct squat_trie_iterate_context *ctx) |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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|
1048 { |
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|
1049 struct squat_trie_iterate_node *iter_nodes; |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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|
1050 struct squat_node *node = ctx->cur.node; |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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|
1051 struct squat_node *children; |
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parents:
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|
1052 unsigned int count; |
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|
1053 |
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parents:
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changeset
|
1054 /* return our children first */ |
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parents:
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|
1055 children = NODE_CHILDREN_NODES(node); |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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|
1056 for (; ctx->cur.idx < node->child_count; ctx->cur.idx++) { |
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parents:
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|
1057 if (!UIDLIST_IS_SINGLETON(children[ctx->cur.idx].uid_list_idx)) |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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|
1058 return &children[ctx->cur.idx++]; |
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|
1059 } |
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|
1060 |
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|
1061 ctx->cur.idx = 0; |
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parents:
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|
1062 for (;;) { |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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|
1063 /* next start iterating our childrens' children */ |
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parents:
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changeset
|
1064 while (ctx->cur.idx < node->child_count) { |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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|
1065 uint32_t list_idx = |
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|
1066 children[ctx->cur.idx++].uid_list_idx; |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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changeset
|
1067 |
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changeset
|
1068 if (UIDLIST_IS_SINGLETON(list_idx)) |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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|
1069 continue; |
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parents:
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changeset
|
1070 |
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|
1071 array_append(&ctx->parents, &ctx->cur, 1); |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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|
1072 ctx->cur.node = &children[ctx->cur.idx-1]; |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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|
1073 ctx->cur.idx = 0; |
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changeset
|
1074 if (squat_trie_iterate_uidlist_first(ctx) == NULL) |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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|
1075 return NULL; |
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parents:
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changeset
|
1076 return squat_trie_iterate_uidlist_next(ctx); |
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|
1077 } |
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|
1078 |
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changeset
|
1079 /* no more children. go to next sibling's children */ |
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parents:
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|
1080 iter_nodes = array_get_modifiable(&ctx->parents, &count); |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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|
1081 if (count == 0) |
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changeset
|
1082 return NULL; |
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|
1083 |
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changeset
|
1084 ctx->cur = iter_nodes[count-1]; |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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changeset
|
1085 array_delete(&ctx->parents, count-1, 1); |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1086 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
6429
diff
changeset
|
1087 node = ctx->cur.node; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1088 children = NODE_CHILDREN_NODES(node); |
4855
5bc593f1a8f6
Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1089 } |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
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diff
changeset
|
1090 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1091 |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1092 static int |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1093 squat_trie_renumber_uidlists(struct squat_trie_build_context *ctx, |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1094 bool compress) |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1095 { |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1096 struct squat_trie_iterate_context *iter; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1097 struct squat_node *node; |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1098 struct squat_uidlist_rebuild_context *rebuild_ctx; |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1099 ARRAY_TYPE(uint32_t) uids; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1100 uint32_t new_uid_list_idx, max_count=0; |
7159
2de2058a5cdc
Don't use ioloop_time. Fixes squat-test which doesn't create ioloop.
Timo Sirainen <tss@iki.fi>
parents:
7158
diff
changeset
|
1101 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
|
1102 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
|
1103 |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1104 /* FIXME: update indexid */ |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1105 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
|
1106 compress, &rebuild_ctx)) <= 0) |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1107 return ret; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1108 |
7159
2de2058a5cdc
Don't use ioloop_time. Fixes squat-test which doesn't create ioloop.
Timo Sirainen <tss@iki.fi>
parents:
7158
diff
changeset
|
1109 now = time(NULL); |
7043
7708a8c166d6
Compiler warning fixes on 32bit systems.
Timo Sirainen <tss@iki.fi>
parents:
6945
diff
changeset
|
1110 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
|
1111 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
|
1112 |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1113 i_array_init(&uids, 1024); |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1114 iter = squat_trie_iterate_uidlist_init(ctx->trie); |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
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|
1115 node = squat_trie_iterate_uidlist_first(iter); |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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diff
changeset
|
1116 new_uid_list_idx = 0x100; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1117 while (node != NULL) { |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1118 array_clear(&uids); |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1119 if (squat_uidlist_get(ctx->trie->uidlist, node->uid_list_idx, |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1120 &uids) < 0) { |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1121 ret = -1; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1122 break; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
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|
1123 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1124 max_count = I_MAX(max_count, array_count(&uids)); |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1125 squat_uidlist_rebuild_next(rebuild_ctx, &uids); |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1126 node->uid_list_idx = new_uid_list_idx << 1; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1127 new_uid_list_idx++; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1128 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1129 node = squat_trie_iterate_uidlist_next(iter); |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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|
1130 } |
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FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1131 squat_trie_iterate_uidlist_deinit(iter); |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1132 array_free(&uids); |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1133 |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1134 /* lock the trie before we rename uidlist */ |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1135 if (squat_trie_lock(ctx->trie, F_WRLCK, &ctx->file_lock) <= 0) |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1136 ret = -1; |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1137 return squat_uidlist_rebuild_finish(rebuild_ctx, ret < 0); |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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|
1138 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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|
1139 |
6905 | 1140 static bool squat_trie_check_header(struct squat_trie *trie) |
1141 { | |
1142 if (trie->hdr.version != SQUAT_TRIE_VERSION || | |
1143 trie->hdr.uidvalidity != trie->uidvalidity) | |
1144 return FALSE; | |
1145 | |
1146 if (trie->hdr.partial_len > trie->hdr.full_len) { | |
1147 i_error("Corrupted %s: partial len > full len", trie->path); | |
1148 return FALSE; | |
1149 } | |
1150 if (trie->hdr.full_len == 0) { | |
1151 i_error("Corrupted %s: full len=0", trie->path); | |
1152 return FALSE; | |
1153 } | |
1154 return TRUE; | |
1155 } | |
1156 | |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1157 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:
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diff
changeset
|
1158 { |
6944
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1159 int ret; |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1160 |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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diff
changeset
|
1161 if (trie->locked_file_size == 0) { |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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diff
changeset
|
1162 /* newly created file */ |
7158
f41bd3065ec8
Init header for newly created files.
Timo Sirainen <tss@iki.fi>
parents:
7086
diff
changeset
|
1163 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
|
1164 return 1; |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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|
1165 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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diff
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|
1166 i_assert(trie->fd != -1); |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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diff
changeset
|
1167 |
6944
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1168 if (trie->mmap_disable) { |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
6940
diff
changeset
|
1169 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
|
1170 if (ret <= 0) { |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
6940
diff
changeset
|
1171 if (ret < 0) { |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
6940
diff
changeset
|
1172 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
|
1173 return -1; |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1174 } |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1175 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:
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diff
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|
1176 return 0; |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1177 } |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1178 trie->data = NULL; |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
6940
diff
changeset
|
1179 trie->data_size = 0; |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1180 } else { |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
6940
diff
changeset
|
1181 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
|
1182 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
|
1183 return 0; |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1184 } |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
6940
diff
changeset
|
1185 if (trie->mmap_size != 0) { |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
6940
diff
changeset
|
1186 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
|
1187 i_error("munmap(%s) failed: %m", trie->path); |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1188 } |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
6940
diff
changeset
|
1189 |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
6940
diff
changeset
|
1190 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
|
1191 trie->mmap_base = mmap(NULL, trie->mmap_size, |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
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parents:
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diff
changeset
|
1192 PROT_READ | PROT_WRITE, |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
6940
diff
changeset
|
1193 MAP_SHARED, trie->fd, 0); |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
6940
diff
changeset
|
1194 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
|
1195 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
|
1196 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
|
1197 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
|
1198 return -1; |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1199 } |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
6940
diff
changeset
|
1200 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
|
1201 trie->data = trie->mmap_base; |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
6940
diff
changeset
|
1202 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:
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diff
changeset
|
1203 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1204 |
6944
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
6940
diff
changeset
|
1205 return squat_trie_check_header(trie) ? 1 : 0; |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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diff
changeset
|
1206 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
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parents:
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changeset
|
1207 |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1208 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
|
1209 { |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1210 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
|
1211 bool changed; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1212 int ret; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1213 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1214 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
|
1215 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
|
1216 return -1; |
6944
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
6940
diff
changeset
|
1217 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
|
1218 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
|
1219 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1220 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1221 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
|
1222 if (ret == 0) { |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
6940
diff
changeset
|
1223 file_lock_free(&file_lock); |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
6940
diff
changeset
|
1224 squat_trie_delete(trie); |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
6940
diff
changeset
|
1225 squat_trie_close(trie); |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
6940
diff
changeset
|
1226 squat_trie_header_init(trie); |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
6940
diff
changeset
|
1227 } |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1228 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
|
1229 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1230 if (changed || 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
|
1231 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
|
1232 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
|
1233 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
|
1234 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
|
1235 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
|
1236 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
|
1237 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1238 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
|
1239 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
|
1240 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
|
1241 } else { |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1242 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
|
1243 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
|
1244 } |
5bc593f1a8f6
Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1245 } |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1246 |
6944
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
6940
diff
changeset
|
1247 if (ret >= 0 && !building) { |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1248 /* do this while we're still locked */ |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1249 ret = squat_uidlist_refresh(trie->uidlist); |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1250 } |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1251 |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1252 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
|
1253 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
|
1254 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
|
1255 return -1; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1256 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1257 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
|
1258 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
|
1259 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1260 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1261 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
|
1262 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
|
1263 { |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1264 struct squat_trie_build_context *ctx; |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1265 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
|
1266 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1267 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
|
1268 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
|
1269 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
|
1270 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
|
1271 return -1; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1272 } |
4855
5bc593f1a8f6
Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1273 } |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1274 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1275 /* uidlist locks building */ |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1276 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
|
1277 return -1; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1278 |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1279 if (squat_trie_map(trie, TRUE) < 0) { |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1280 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
|
1281 return -1; |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1282 } |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1283 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1284 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
|
1285 ctx->trie = trie; |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1286 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
|
1287 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
|
1288 |
6905 | 1289 *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
|
1290 *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
|
1291 return 0; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1292 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1293 |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1294 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
|
1295 { |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1296 if (ctx->file_lock != NULL) |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1297 return 0; |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1298 |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1299 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
|
1300 return -1; |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1301 return 0; |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1302 } |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1303 |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1304 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
|
1305 { |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1306 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
|
1307 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
|
1308 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
|
1309 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
|
1310 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1311 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
|
1312 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
|
1313 /* 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
|
1314 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
|
1315 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1316 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
|
1317 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
|
1318 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
|
1319 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
|
1320 return -1; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1321 } |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1322 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
|
1323 SQUAT_TRIE_LOCK_TIMEOUT, &ctx->file_lock); |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1324 if (ret <= 0) { |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1325 if (ret == 0) |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1326 i_error("file_wait_lock(%s) failed: %m", path); |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1327 (void)close(fd); |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1328 return -1; |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1329 } |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1330 |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1331 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
|
1332 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
|
1333 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
|
1334 } else { |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1335 /* 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
|
1336 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
|
1337 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
|
1338 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
|
1339 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
|
1340 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
|
1341 |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1342 if (trie->hdr.used_file_size != 0) |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1343 o_stream_seek(output, trie->hdr.used_file_size); |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1344 else { |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1345 if (squat_trie_write_lock(ctx) < 0) { |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1346 o_stream_unref(&output); |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1347 return -1; |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1348 } |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1349 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
|
1350 } |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1351 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1352 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1353 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
|
1354 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
|
1355 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
|
1356 |
6944
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
6940
diff
changeset
|
1357 /* 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
|
1358 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
|
1359 o_stream_send(output, "", 1); |
66b3e894041b
Support mmap_disable=yes and some error handling improvements.
Timo Sirainen <tss@iki.fi>
parents:
6940
diff
changeset
|
1360 |
6905 | 1361 if (trie->corrupted) |
1362 ret = -1; | |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1363 if (ret == 0) |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1364 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
|
1365 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
|
1366 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
|
1367 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
|
1368 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
|
1369 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1370 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
|
1371 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
|
1372 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
|
1373 ret = -1; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1374 } |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1375 o_stream_destroy(&output); |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1376 |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1377 if (fd == -1) { |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1378 /* appended to the existing file */ |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1379 return ret; |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1380 } |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1381 |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1382 /* recreating the trie file */ |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1383 if (ret < 0) { |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1384 if (close(fd) < 0) |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1385 i_error("close(%s) failed: %m", path); |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1386 fd = -1; |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1387 } else if (rename(path, trie->path) < 0) { |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1388 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
|
1389 ret = -1; |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1390 } |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1391 |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1392 if (ret < 0) { |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1393 if (unlink(path) < 0 && errno != ENOENT) |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1394 i_error("unlink(%s) failed: %m", path); |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1395 } else { |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1396 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
|
1397 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
|
1398 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
|
1399 } |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1400 trie->fd = fd; |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1401 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1402 return ret; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1403 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1404 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1405 int squat_trie_build_deinit(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
|
1406 { |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1407 struct squat_trie_build_context *ctx = *_ctx; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1408 bool compress; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1409 int ret; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1410 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1411 *_ctx = NULL; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1412 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1413 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
|
1414 |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1415 /* 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
|
1416 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
|
1417 change under. */ |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1418 squat_uidlist_build_flush(ctx->uidlist_build_ctx); |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1419 ret = squat_trie_renumber_uidlists(ctx, compress); |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1420 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
|
1421 ret = squat_trie_write(ctx); |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1422 |
6931
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1423 if (ret == 0) |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1424 ret = squat_uidlist_build_finish(ctx->uidlist_build_ctx); |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1425 if (ctx->file_lock != NULL) |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1426 file_unlock(&ctx->file_lock); |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1427 squat_uidlist_build_deinit(&ctx->uidlist_build_ctx); |
97702c9c4111
Locking and error handling fixes.
Timo Sirainen <tss@iki.fi>
parents:
6914
diff
changeset
|
1428 |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1429 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
|
1430 return ret; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1431 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1432 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1433 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
|
1434 { |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1435 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
|
1436 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
|
1437 return -1; |
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 |
6905 | 1440 *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
|
1441 return 0; |
5bc593f1a8f6
Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1442 } |
5bc593f1a8f6
Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1443 |
5bc593f1a8f6
Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1444 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
|
1445 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
|
1446 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
|
1447 { |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1448 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
|
1449 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
|
1450 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
|
1451 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
|
1452 |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1453 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
|
1454 |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1455 for (;;) { |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1456 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
|
1457 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
|
1458 return -1; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1459 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1460 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
|
1461 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
|
1462 const unsigned char *str; |
5414 | 1463 |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1464 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
|
1465 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
|
1466 else |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1467 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
|
1468 |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1469 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
|
1470 return 0; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1471 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1472 /* match */ |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1473 break; |
4855
5bc593f1a8f6
Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1474 } |
4898 | 1475 |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1476 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
|
1477 break; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1478 level++; |
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 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
|
1481 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
|
1482 idx = *data; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1483 goto found; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1484 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1485 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
|
1486 } else { |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1487 idx = 0; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1488 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1489 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
|
1490 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
|
1491 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
|
1492 goto found; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1493 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1494 return 0; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1495 found: |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1496 /* 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
|
1497 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
|
1498 /* 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
|
1499 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
|
1500 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
|
1501 uids) < 0) |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1502 return -1; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1503 } else { |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1504 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
|
1505 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
|
1506 return -1; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1507 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1508 data++; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1509 size--; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1510 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
|
1511 } |
5bc593f1a8f6
Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
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 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
|
1514 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
|
1515 return 1; |
4855
5bc593f1a8f6
Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1516 } |
5bc593f1a8f6
Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1517 |
4878
88a91d9a867b
Fixes. Should be pretty much working now.
Timo Sirainen <tss@iki.fi>
parents:
4855
diff
changeset
|
1518 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
|
1519 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
|
1520 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
|
1521 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
|
1522 { |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1523 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
|
1524 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
|
1525 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
|
1526 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
|
1527 |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1528 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
|
1529 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
|
1530 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
|
1531 return; |
4855
5bc593f1a8f6
Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1532 |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1533 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
|
1534 (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
|
1535 /* 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
|
1536 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
|
1537 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
|
1538 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
|
1539 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
|
1540 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
|
1541 /* 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
|
1542 } else { |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1543 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
|
1544 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
|
1545 } |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1546 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
|
1547 } |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1548 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
|
1549 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
|
1550 } |
ae2114f11a0e
Memory leak fixes. Also when building a large mailbox flush once in a while
Timo Sirainen <tss@iki.fi>
parents:
4883
diff
changeset
|
1551 |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
1552 /* 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
|
1553 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
|
1554 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
|
1555 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
|
1556 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
|
1557 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
|
1558 } |
5bc593f1a8f6
Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1559 } |
5bc593f1a8f6
Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1560 } |
5bc593f1a8f6
Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
1561 |
6902
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1562 struct squat_trie_lookup_context { |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1563 struct squat_trie *trie; |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1564 enum squat_index_type type; |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1565 |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1566 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
|
1567 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
|
1568 bool first; |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1569 }; |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1570 |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1571 static int |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1572 squat_trie_lookup_partial(struct squat_trie_lookup_context *ctx, |
6911 | 1573 const unsigned char *data, uint8_t *char_lengths, |
1574 unsigned int size) | |
6902
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1575 { |
6911 | 1576 const unsigned int partial_len = ctx->trie->hdr.partial_len; |
1577 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
|
1578 int ret; |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1579 |
6911 | 1580 max_chars = uni_utf8_strlen_n(data, size); |
1581 if (max_chars > ctx->trie->hdr.partial_len) | |
1582 max_chars = partial_len; | |
6902
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1583 |
6911 | 1584 for (i = 0, char_idx = 0; char_idx < max_chars; char_idx++) { |
1585 bytelen = 0; | |
1586 for (j = 0; j < partial_len && i+bytelen < size; j++) | |
1587 bytelen += char_lengths[i + bytelen]; | |
1588 | |
1589 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
|
1590 &ctx->tmp_uids); |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1591 if (ret <= 0) { |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1592 array_clear(ctx->maybe_uids); |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1593 return ret; |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1594 } |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1595 |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1596 if (ctx->first) { |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1597 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
|
1598 ctx->maybe_uids); |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1599 ctx->first = FALSE; |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1600 } else { |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1601 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
|
1602 &ctx->tmp_uids2); |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1603 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
|
1604 &ctx->tmp_uids2); |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1605 } |
6911 | 1606 |
1607 i += char_lengths[i]; | |
1608 } | |
6902
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1609 return 1; |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1610 } |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1611 |
6905 | 1612 static void squat_trie_add_unknown(struct squat_trie *trie, |
1613 ARRAY_TYPE(seq_range) *maybe_uids) | |
1614 { | |
1615 struct seq_range *range, new_range; | |
1616 unsigned int count; | |
1617 uint32_t last_uid; | |
1618 | |
1619 last_uid = I_MAX((trie->root.next_uid+1)/2, 1) - 1; | |
1620 | |
1621 range = array_get_modifiable(maybe_uids, &count); | |
1622 if (count > 0 && range[count-1].seq2 == last_uid) { | |
1623 /* increase the range */ | |
1624 range[count-1].seq2 = (uint32_t)-1; | |
1625 } else { | |
1626 new_range.seq1 = last_uid + 1; | |
1627 new_range.seq2 = (uint32_t)-1; | |
1628 array_append(maybe_uids, &new_range, 1); | |
1629 } | |
1630 } | |
1631 | |
6940
414c9d631a81
Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents:
6931
diff
changeset
|
1632 static int |
414c9d631a81
Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents:
6931
diff
changeset
|
1633 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
|
1634 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
|
1635 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
|
1636 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
|
1637 { |
6902
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1638 struct squat_trie_lookup_context ctx; |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1639 unsigned char *data; |
6911 | 1640 uint8_t *char_lengths; |
1641 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
|
1642 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
|
1643 |
7161
b2333f0f23af
squat_trie_lookup(): Make sure we clear result arrays first.
Timo Sirainen <tss@iki.fi>
parents:
7159
diff
changeset
|
1644 array_clear(definite_uids); |
b2333f0f23af
squat_trie_lookup(): Make sure we clear result arrays first.
Timo Sirainen <tss@iki.fi>
parents:
7159
diff
changeset
|
1645 array_clear(maybe_uids); |
b2333f0f23af
squat_trie_lookup(): Make sure we clear result arrays first.
Timo Sirainen <tss@iki.fi>
parents:
7159
diff
changeset
|
1646 |
6902
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1647 memset(&ctx, 0, sizeof(ctx)); |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1648 ctx.trie = trie; |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1649 ctx.type = type; |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1650 ctx.definite_uids = definite_uids; |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1651 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
|
1652 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
|
1653 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
|
1654 ctx.first = TRUE; |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1655 |
6911 | 1656 str_bytelen = strlen(str); |
1657 char_lengths = t_malloc0(str_bytelen); | |
6912
b326327b1f10
Fix for searching <4 char keys.
Timo Sirainen <tss@iki.fi>
parents:
6911
diff
changeset
|
1658 for (i = 0, str_charlen = 0; i < str_bytelen; str_charlen++) { |
6911 | 1659 bytes = uni_utf8_char_bytes(str[i]); |
1660 char_lengths[i] = bytes; | |
1661 i += bytes; | |
1662 } | |
1663 data = squat_data_normalize(trie, (const unsigned char *)str, | |
1664 str_bytelen); | |
6902
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1665 |
6911 | 1666 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
|
1667 if (data[i] != '\0') |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1668 continue; |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1669 |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1670 /* string has nonindexed characters. |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1671 search it in parts. */ |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1672 if (i != start) { |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1673 ret = squat_trie_lookup_partial(&ctx, data + start, |
6911 | 1674 char_lengths, |
6902
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1675 i - start); |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1676 } |
6911 | 1677 start = i + char_lengths[i]; |
6902
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1678 } |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1679 |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1680 if (start != 0) { |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1681 /* 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
|
1682 array_clear(definite_uids); |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1683 if (i != start && ret >= 0) { |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1684 ret = squat_trie_lookup_partial(&ctx, data + start, |
6911 | 1685 char_lengths, |
6902
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1686 i - start); |
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1687 } |
6945
5915aea5f070
UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
parents:
6944
diff
changeset
|
1688 } else { |
5915aea5f070
UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
parents:
6944
diff
changeset
|
1689 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
|
1690 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
|
1691 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
|
1692 &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
|
1693 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
|
1694 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
|
1695 definite_uids); |
5915aea5f070
UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
parents:
6944
diff
changeset
|
1696 } |
5915aea5f070
UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
parents:
6944
diff
changeset
|
1697 } else { |
5915aea5f070
UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
parents:
6944
diff
changeset
|
1698 array_clear(definite_uids); |
6902
cff5428c3c4d
Fixed handling non-indexed characters in search key.
Timo Sirainen <tss@iki.fi>
parents:
6898
diff
changeset
|
1699 } |
4878
88a91d9a867b
Fixes. Should be pretty much working now.
Timo Sirainen <tss@iki.fi>
parents:
4855
diff
changeset
|
1700 |
6945
5915aea5f070
UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
parents:
6944
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1701 if (str_charlen <= trie->hdr.partial_len || |
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UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
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1702 trie->hdr.partial_len == 0) { |
5915aea5f070
UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
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1703 /* we have the result */ |
5915aea5f070
UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
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1704 array_clear(maybe_uids); |
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Timo Sirainen <tss@iki.fi>
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1705 } else { |
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Timo Sirainen <tss@iki.fi>
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1706 ret = squat_trie_lookup_partial(&ctx, data + start, |
5915aea5f070
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Timo Sirainen <tss@iki.fi>
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1707 char_lengths, |
5915aea5f070
UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
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6944
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1708 i - start); |
5915aea5f070
UID ranges can be large, don't allocate them from data stack.
Timo Sirainen <tss@iki.fi>
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1709 } |
4878
88a91d9a867b
Fixes. Should be pretty much working now.
Timo Sirainen <tss@iki.fi>
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|
1710 } |
6905 | 1711 squat_trie_add_unknown(trie, maybe_uids); |
6945
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|
1712 array_free(&ctx.tmp_uids); |
5915aea5f070
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|
1713 array_free(&ctx.tmp_uids2); |
6905 | 1714 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
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|
1715 } |
5bc593f1a8f6
Added "squat" full text search indexer backend. Its name and basic ideas
Timo Sirainen <tss@iki.fi>
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changeset
|
1716 |
6940
414c9d631a81
Replaced t_push/t_pop calls with T_FRAME*() macros.
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1717 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:
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1718 enum squat_index_type type, |
414c9d631a81
Replaced t_push/t_pop calls with T_FRAME*() macros.
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1719 ARRAY_TYPE(seq_range) *definite_uids, |
414c9d631a81
Replaced t_push/t_pop calls with T_FRAME*() macros.
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changeset
|
1720 ARRAY_TYPE(seq_range) *maybe_uids) |
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Replaced t_push/t_pop calls with T_FRAME*() macros.
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1721 { |
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Replaced t_push/t_pop calls with T_FRAME*() macros.
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1722 int ret; |
414c9d631a81
Replaced t_push/t_pop calls with T_FRAME*() macros.
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1723 |
414c9d631a81
Replaced t_push/t_pop calls with T_FRAME*() macros.
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1724 T_FRAME( |
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Replaced t_push/t_pop calls with T_FRAME*() macros.
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|
1725 ret = squat_trie_lookup_real(trie, str, type, |
414c9d631a81
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1726 definite_uids, maybe_uids); |
414c9d631a81
Replaced t_push/t_pop calls with T_FRAME*() macros.
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1727 ); |
414c9d631a81
Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
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|
1728 return ret; |
414c9d631a81
Replaced t_push/t_pop calls with T_FRAME*() macros.
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1729 } |
414c9d631a81
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|
1730 |
6418
46d9ee79f292
Removed _ prefix from all public APIs.
Timo Sirainen <tss@iki.fi>
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6414
diff
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1731 struct squat_uidlist *squat_trie_get_uidlist(struct squat_trie *trie) |
4855
5bc593f1a8f6
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Timo Sirainen <tss@iki.fi>
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1732 { |
5bc593f1a8f6
Added "squat" full text search indexer backend. Its name and basic ideas
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|
1733 return trie->uidlist; |
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1734 } |
6898
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
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|
1735 |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
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|
1736 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>
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|
1737 { |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
parents:
6429
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|
1738 *count_r = trie->hdr.node_count; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
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|
1739 return trie->node_alloc_size; |
e739cffd05ef
FTS API changes and Squat rewrite. Squat is still missing expunge handling.
Timo Sirainen <tss@iki.fi>
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diff
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|
1740 } |