Mercurial > dovecot > core-2.2
annotate src/lib-index/mail-index.c @ 9537:b373de4973cd HEAD
Whenever file's group changing fails, show the group origin in the error message.
author | Timo Sirainen <tss@iki.fi> |
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date | Sat, 27 Jun 2009 20:39:38 -0400 |
parents | bbe4c24faf21 |
children | ed9b4bc28913 |
rev | line source |
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Updated copyright notices to include year 2009.
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1 /* Copyright (c) 2003-2009 Dovecot authors, see the included COPYING file */ |
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2 |
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3 #include "lib.h" |
5819 | 4 #include "ioloop.h" |
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5 #include "array.h" |
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6 #include "buffer.h" |
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7 #include "eacces-error.h" |
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8 #include "hash.h" |
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9 #include "str-sanitize.h" |
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10 #include "mmap-util.h" |
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11 #include "nfs-workarounds.h" |
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12 #include "read-full.h" |
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13 #include "write-full.h" |
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14 #include "mail-index-private.h" |
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15 #include "mail-index-view-private.h" |
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16 #include "mail-index-sync-private.h" |
7620 | 17 #include "mail-index-modseq.h" |
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18 #include "mail-transaction-log.h" |
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19 #include "mail-cache.h" |
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20 |
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21 #include <stdio.h> |
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22 #include <stddef.h> |
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23 #include <time.h> |
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24 #include <sys/stat.h> |
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26 struct mail_index_module_register mail_index_module_register = { 0 }; |
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27 |
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28 struct mail_index *mail_index_alloc(const char *dir, const char *prefix) |
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29 { |
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30 struct mail_index *index; |
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31 |
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32 index = i_new(struct mail_index, 1); |
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33 index->dir = i_strdup(dir); |
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34 index->prefix = i_strdup(prefix); |
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35 index->fd = -1; |
2116 | 36 |
5028 | 37 index->extension_pool = |
38 pool_alloconly_create(MEMPOOL_GROWING"index extension", 1024); | |
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39 p_array_init(&index->extensions, index->extension_pool, 5); |
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40 i_array_init(&index->sync_lost_handlers, 4); |
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41 i_array_init(&index->module_contexts, |
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42 I_MIN(5, mail_index_module_register.id)); |
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43 |
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44 index->mode = 0600; |
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45 index->gid = (gid_t)-1; |
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46 |
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47 index->keywords_ext_id = |
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48 mail_index_ext_register(index, MAIL_INDEX_EXT_KEYWORDS, |
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49 128, 2, 1); |
3086 | 50 index->keywords_pool = pool_alloconly_create("keywords", 512); |
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51 i_array_init(&index->keywords, 16); |
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52 index->keywords_hash = |
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53 hash_table_create(default_pool, index->keywords_pool, 0, |
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54 strcase_hash, (hash_cmp_callback_t *)strcasecmp); |
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55 index->log = mail_transaction_log_alloc(index); |
7620 | 56 mail_index_modseq_init(index); |
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57 return index; |
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58 } |
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59 |
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60 void mail_index_free(struct mail_index **_index) |
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61 { |
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62 struct mail_index *index = *_index; |
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63 |
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64 *_index = NULL; |
1967 | 65 mail_index_close(index); |
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66 |
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67 mail_transaction_log_free(&index->log); |
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68 hash_table_destroy(&index->keywords_hash); |
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69 pool_unref(&index->extension_pool); |
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70 pool_unref(&index->keywords_pool); |
1967 | 71 |
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72 array_free(&index->sync_lost_handlers); |
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73 array_free(&index->keywords); |
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74 array_free(&index->module_contexts); |
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75 |
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76 i_free(index->gid_origin); |
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77 i_free(index->error); |
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78 i_free(index->dir); |
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79 i_free(index->prefix); |
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80 i_free(index); |
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81 } |
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82 |
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83 void mail_index_set_fsync_types(struct mail_index *index, |
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84 enum mail_index_sync_type fsync_mask) |
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85 { |
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86 index->fsync_mask = fsync_mask; |
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87 } |
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88 |
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Get index file mode and GID from dovecot-shared file.
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89 void mail_index_set_permissions(struct mail_index *index, |
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90 mode_t mode, gid_t gid, const char *gid_origin) |
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Get index file mode and GID from dovecot-shared file.
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91 { |
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Get index file mode and GID from dovecot-shared file.
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92 index->mode = mode & 0666; |
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93 index->gid = gid; |
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94 |
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95 i_free(index->gid_origin); |
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96 index->gid_origin = i_strdup(gid_origin); |
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97 } |
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98 |
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99 uint32_t mail_index_ext_register(struct mail_index *index, const char *name, |
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100 uint32_t default_hdr_size, |
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101 uint16_t default_record_size, |
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102 uint16_t default_record_align) |
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103 { |
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104 struct mail_index_registered_ext rext; |
6679 | 105 uint32_t ext_id; |
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106 |
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107 if (*name == '\0' || strcmp(name, str_sanitize(name, -1)) != 0) |
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108 i_panic("mail_index_ext_register(%s): Invalid name", name); |
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109 |
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110 if (default_record_size != 0 && default_record_align == 0) { |
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111 i_panic("mail_index_ext_register(%s): " |
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112 "Invalid record alignment", name); |
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113 } |
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114 |
6679 | 115 if (mail_index_ext_lookup(index, name, &ext_id)) |
116 return ext_id; | |
2116 | 117 |
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118 memset(&rext, 0, sizeof(rext)); |
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119 rext.name = p_strdup(index->extension_pool, name); |
6679 | 120 rext.index_idx = array_count(&index->extensions); |
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121 rext.hdr_size = default_hdr_size; |
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122 rext.record_size = default_record_size; |
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123 rext.record_align = default_record_align; |
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124 |
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125 array_append(&index->extensions, &rext, 1); |
6679 | 126 return rext.index_idx; |
127 } | |
128 | |
129 bool mail_index_ext_lookup(struct mail_index *index, const char *name, | |
130 uint32_t *ext_id_r) | |
131 { | |
132 const struct mail_index_registered_ext *extensions; | |
133 unsigned int i, count; | |
134 | |
135 extensions = array_get(&index->extensions, &count); | |
136 for (i = 0; i < count; i++) { | |
137 if (strcmp(extensions[i].name, name) == 0) { | |
138 *ext_id_r = i; | |
139 return TRUE; | |
140 } | |
141 } | |
142 | |
143 *ext_id_r = (uint32_t)-1; | |
144 return FALSE; | |
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145 } |
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146 |
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147 void mail_index_register_expunge_handler(struct mail_index *index, |
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148 uint32_t ext_id, bool call_always, |
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149 mail_index_expunge_handler_t *cb, |
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150 void *context) |
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151 { |
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152 struct mail_index_registered_ext *rext; |
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153 |
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154 rext = array_idx_modifiable(&index->extensions, ext_id); |
4616 | 155 i_assert(rext->expunge_handler == NULL || rext->expunge_handler == cb); |
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156 |
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157 rext->expunge_handler = cb; |
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158 rext->expunge_context = context; |
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159 rext->expunge_handler_call_always = call_always; |
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160 } |
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161 |
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162 void mail_index_unregister_expunge_handler(struct mail_index *index, |
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163 uint32_t ext_id) |
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164 { |
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165 struct mail_index_registered_ext *rext; |
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166 |
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167 rext = array_idx_modifiable(&index->extensions, ext_id); |
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168 i_assert(rext->expunge_handler != NULL); |
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169 |
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170 rext->expunge_handler = NULL; |
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171 } |
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172 |
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173 void mail_index_register_sync_handler(struct mail_index *index, uint32_t ext_id, |
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174 mail_index_sync_handler_t *cb, |
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175 enum mail_index_sync_handler_type type) |
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176 { |
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177 struct mail_index_registered_ext *rext; |
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178 |
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179 rext = array_idx_modifiable(&index->extensions, ext_id); |
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180 i_assert(rext->sync_handler.callback == NULL); |
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181 |
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182 rext->sync_handler.callback = cb; |
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183 rext->sync_handler.type = type; |
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184 } |
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185 |
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186 void mail_index_unregister_sync_handler(struct mail_index *index, |
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187 uint32_t ext_id) |
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188 { |
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189 struct mail_index_registered_ext *rext; |
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190 |
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191 rext = array_idx_modifiable(&index->extensions, ext_id); |
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192 i_assert(rext->sync_handler.callback != NULL); |
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193 |
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194 rext->sync_handler.callback = NULL; |
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195 rext->sync_handler.type = 0; |
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196 } |
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197 |
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198 void mail_index_register_sync_lost_handler(struct mail_index *index, |
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199 mail_index_sync_lost_handler_t *cb) |
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200 { |
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201 array_append(&index->sync_lost_handlers, &cb, 1); |
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202 } |
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203 |
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204 void mail_index_unregister_sync_lost_handler(struct mail_index *index, |
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205 mail_index_sync_lost_handler_t *cb) |
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206 { |
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207 mail_index_sync_lost_handler_t *const *handlers; |
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208 unsigned int i, count; |
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209 |
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210 handlers = array_get(&index->sync_lost_handlers, &count); |
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211 for (i = 0; i < count; i++) { |
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212 if (handlers[i] == cb) { |
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213 array_delete(&index->sync_lost_handlers, i, 1); |
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214 break; |
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215 } |
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216 } |
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217 } |
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218 |
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219 bool mail_index_keyword_lookup(struct mail_index *index, |
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220 const char *keyword, unsigned int *idx_r) |
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221 { |
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222 void *value; |
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223 |
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224 /* keywords_hash keeps a name => index mapping of keywords. |
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225 Keywords are never removed from it, so the index values are valid |
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226 for the lifetime of the mail_index. */ |
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227 if (hash_table_lookup_full(index->keywords_hash, keyword, |
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228 NULL, &value)) { |
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229 *idx_r = POINTER_CAST_TO(value, unsigned int); |
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230 return TRUE; |
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231 } |
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232 |
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233 *idx_r = (unsigned int)-1; |
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234 return FALSE; |
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235 } |
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236 |
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237 void mail_index_keyword_lookup_or_create(struct mail_index *index, |
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238 const char *keyword, |
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239 unsigned int *idx_r) |
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240 { |
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241 char *keyword_dup; |
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242 |
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243 i_assert(*keyword != '\0'); |
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244 |
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245 if (mail_index_keyword_lookup(index, keyword, idx_r)) |
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246 return; |
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247 |
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248 keyword = keyword_dup = p_strdup(index->keywords_pool, keyword); |
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249 *idx_r = array_count(&index->keywords); |
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250 |
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Renamed hash_*() to hash_table_*() to avoid conflicts with OSX's strhash.h
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251 hash_table_insert(index->keywords_hash, |
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Renamed hash_*() to hash_table_*() to avoid conflicts with OSX's strhash.h
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252 keyword_dup, POINTER_CAST(*idx_r)); |
3254
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253 array_append(&index->keywords, &keyword, 1); |
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254 } |
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255 |
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256 const ARRAY_TYPE(keywords) *mail_index_get_keywords(struct mail_index *index) |
3016
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257 { |
3254
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258 return &index->keywords; |
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259 } |
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260 |
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261 int mail_index_try_open_only(struct mail_index *index) |
2063
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262 { |
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263 i_assert(index->fd == -1); |
3243
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264 i_assert(!MAIL_INDEX_IS_IN_MEMORY(index)); |
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265 |
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266 /* Note that our caller must close index->fd by itself. */ |
6686
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267 if (index->readonly) |
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268 errno = EACCES; |
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269 else { |
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270 index->fd = nfs_safe_open(index->filepath, O_RDWR); |
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271 index->readonly = FALSE; |
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272 } |
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273 |
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274 if (index->fd == -1 && errno == EACCES) { |
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275 index->fd = open(index->filepath, O_RDONLY); |
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276 index->readonly = TRUE; |
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277 } |
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278 |
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279 if (index->fd == -1) { |
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280 if (errno != ENOENT) |
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281 return mail_index_set_syscall_error(index, "open()"); |
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282 |
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283 /* have to create it */ |
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284 return 0; |
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285 } |
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286 return 1; |
21a3e5d08290
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287 } |
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288 |
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289 static int |
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290 mail_index_try_open(struct mail_index *index) |
2063
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291 { |
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292 int ret; |
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293 |
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294 i_assert(index->fd == -1); |
2063
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295 |
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296 if (MAIL_INDEX_IS_IN_MEMORY(index)) |
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297 return 0; |
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298 |
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299 i_assert(index->map == NULL || index->map->rec_map->lock_id == 0); |
5854 | 300 ret = mail_index_map(index, MAIL_INDEX_SYNC_HANDLER_HEAD); |
2063
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301 if (ret == 0) { |
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302 /* it's corrupted - recreate it */ |
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303 if (index->fd != -1) { |
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304 if (close(index->fd) < 0) |
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305 mail_index_set_syscall_error(index, "close()"); |
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306 index->fd = -1; |
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307 } |
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308 } |
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309 return ret; |
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310 } |
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311 |
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312 int mail_index_create_tmp_file(struct mail_index *index, const char **path_r) |
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313 { |
2879
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314 mode_t old_mask; |
1915
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315 const char *path; |
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316 int fd; |
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317 |
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318 i_assert(!MAIL_INDEX_IS_IN_MEMORY(index)); |
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319 |
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320 path = *path_r = t_strconcat(index->filepath, ".tmp", NULL); |
2879
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321 old_mask = umask(0); |
1915
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322 fd = open(path, O_RDWR|O_CREAT|O_TRUNC, index->mode); |
2879
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323 umask(old_mask); |
1915
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324 if (fd == -1) |
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325 return mail_index_file_set_syscall_error(index, path, "open()"); |
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326 |
9420
c496f137c843
index: Handle better errors where a new file's group can't be changed.
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327 mail_index_fchown(index, fd, path); |
1915
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328 return fd; |
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329 } |
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330 |
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331 static int mail_index_open_files(struct mail_index *index, |
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332 enum mail_index_open_flags flags) |
1915
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333 { |
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334 int ret; |
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335 bool created = FALSE; |
3582
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When creating a new index file, mark its log offsets so that the possibly
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336 |
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337 ret = mail_transaction_log_open(index->log); |
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338 if (ret == 0) { |
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339 if ((flags & MAIL_INDEX_OPEN_FLAG_CREATE) == 0) |
6375
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340 return 0; |
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341 |
5819 | 342 /* if dovecot.index exists, read it first so that we can get |
343 the correct indexid and log sequence */ | |
344 (void)mail_index_try_open(index); | |
345 | |
346 if (index->indexid == 0) { | |
6359
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|
347 /* Create a new indexid for us. If we're opening index |
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348 into memory, index->map doesn't exist yet. */ |
5819 | 349 index->indexid = ioloop_time; |
7573
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|
350 index->initial_create = TRUE; |
6359
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351 if (index->map != NULL) |
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|
352 index->map->hdr.indexid = index->indexid; |
5819 | 353 } |
354 | |
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355 ret = mail_transaction_log_create(index->log, FALSE); |
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356 index->initial_create = FALSE; |
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357 created = TRUE; |
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358 } |
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359 if (ret >= 0) { |
7573
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360 ret = index->map != NULL ? 1 : mail_index_try_open(index); |
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361 if (ret == 0) { |
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362 /* corrupted */ |
6322
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diff
changeset
|
363 mail_transaction_log_close(index->log); |
7573
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364 ret = mail_transaction_log_create(index->log, TRUE); |
6359
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365 if (ret == 0) { |
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|
366 if (index->map != NULL) |
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367 mail_index_unmap(&index->map); |
6322
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Handle opening corrupted index files better.
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|
368 index->map = mail_index_map_alloc(index); |
6359
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369 } |
2170 | 370 } |
1915
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371 } |
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372 if (ret < 0) { |
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373 /* open/create failed, fallback to in-memory indexes */ |
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374 if ((flags & MAIL_INDEX_OPEN_FLAG_CREATE) == 0) |
6375
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375 return -1; |
3243
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376 |
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377 if (mail_index_move_to_memory(index) < 0) |
6375
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|
378 return -1; |
2200
97bb7b127617
Beginnings of getting cache file working again. Easy to break currently, but
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
379 } |
97bb7b127617
Beginnings of getting cache file working again. Easy to break currently, but
Timo Sirainen <tss@iki.fi>
parents:
2193
diff
changeset
|
380 |
3129
1ea614abead3
Don't complain about cache indexid changing when recreating index.
Timo Sirainen <tss@iki.fi>
parents:
3105
diff
changeset
|
381 index->cache = created ? mail_cache_create(index) : |
1ea614abead3
Don't complain about cache indexid changing when recreating index.
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parents:
3105
diff
changeset
|
382 mail_cache_open_or_create(index); |
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fsck the index while it's being mapped.
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diff
changeset
|
383 return 1; |
1915
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importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
384 } |
79790750c349
importing new index code. mbox still broken.
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parents:
diff
changeset
|
385 |
2723
12b503fbb8af
Replaced fcntl_locks_disable with lock_method, so it's now possible to use
Timo Sirainen <tss@iki.fi>
parents:
2715
diff
changeset
|
386 int mail_index_open(struct mail_index *index, enum mail_index_open_flags flags, |
4876
f1d77064884c
Lock handling changes. Everything goes through file-lock API now and there's
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parents:
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diff
changeset
|
387 enum file_lock_method lock_method) |
1915
79790750c349
importing new index code. mbox still broken.
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parents:
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changeset
|
388 { |
6375
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diff
changeset
|
389 int ret; |
1915
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importing new index code. mbox still broken.
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parents:
diff
changeset
|
390 |
2926
c035583b4839
Make sure index is reopened if it's marked corrupted.
Timo Sirainen <tss@iki.fi>
parents:
2922
diff
changeset
|
391 if (index->opened) { |
5772
002aa9bbfcb2
Removed index->hdr. Use index->map->hdr instead.
Timo Sirainen <tss@iki.fi>
parents:
5714
diff
changeset
|
392 if (index->map != NULL && |
002aa9bbfcb2
Removed index->hdr. Use index->map->hdr instead.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
393 (index->map->hdr.flags & |
002aa9bbfcb2
Removed index->hdr. Use index->map->hdr instead.
Timo Sirainen <tss@iki.fi>
parents:
5714
diff
changeset
|
394 MAIL_INDEX_HDR_FLAG_CORRUPTED) != 0) { |
2926
c035583b4839
Make sure index is reopened if it's marked corrupted.
Timo Sirainen <tss@iki.fi>
parents:
2922
diff
changeset
|
395 /* corrupted, reopen files */ |
c035583b4839
Make sure index is reopened if it's marked corrupted.
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parents:
2922
diff
changeset
|
396 mail_index_close(index); |
c035583b4839
Make sure index is reopened if it's marked corrupted.
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parents:
2922
diff
changeset
|
397 } else { |
5689
c2362f144f15
Initial commit for major index file code cleanup.
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parents:
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diff
changeset
|
398 i_assert(index->map != NULL); |
4067
96ae9c096bde
mail_index_open(): If index is already open, return 1 instead of 0 so the
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parents:
4053
diff
changeset
|
399 return 1; |
2926
c035583b4839
Make sure index is reopened if it's marked corrupted.
Timo Sirainen <tss@iki.fi>
parents:
2922
diff
changeset
|
400 } |
c035583b4839
Make sure index is reopened if it's marked corrupted.
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parents:
2922
diff
changeset
|
401 } |
1915
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
402 |
3243
40b4ba3c55b8
In-memory indexes work again. Just pass dir as NULL to mail_index_alloc().
Timo Sirainen <tss@iki.fi>
parents:
3231
diff
changeset
|
403 index->filepath = MAIL_INDEX_IS_IN_MEMORY(index) ? |
40b4ba3c55b8
In-memory indexes work again. Just pass dir as NULL to mail_index_alloc().
Timo Sirainen <tss@iki.fi>
parents:
3231
diff
changeset
|
404 i_strdup("(in-memory index)") : |
40b4ba3c55b8
In-memory indexes work again. Just pass dir as NULL to mail_index_alloc().
Timo Sirainen <tss@iki.fi>
parents:
3231
diff
changeset
|
405 i_strconcat(index->dir, "/", index->prefix, NULL); |
1967 | 406 |
6375
fc2f5607108d
fsck the index while it's being mapped.
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parents:
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diff
changeset
|
407 index->shared_lock_count = 0; |
fc2f5607108d
fsck the index while it's being mapped.
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parents:
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diff
changeset
|
408 index->excl_lock_count = 0; |
fc2f5607108d
fsck the index while it's being mapped.
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parents:
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diff
changeset
|
409 index->lock_type = F_UNLCK; |
fc2f5607108d
fsck the index while it's being mapped.
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parents:
6372
diff
changeset
|
410 index->lock_id_counter = 2; |
1915
79790750c349
importing new index code. mbox still broken.
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parents:
diff
changeset
|
411 |
6375
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fsck the index while it's being mapped.
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parents:
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diff
changeset
|
412 index->readonly = FALSE; |
fc2f5607108d
fsck the index while it's being mapped.
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parents:
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diff
changeset
|
413 index->nodiskspace = FALSE; |
fc2f5607108d
fsck the index while it's being mapped.
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parents:
6372
diff
changeset
|
414 index->index_lock_timeout = FALSE; |
fc2f5607108d
fsck the index while it's being mapped.
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parents:
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diff
changeset
|
415 index->log_locked = FALSE; |
fc2f5607108d
fsck the index while it's being mapped.
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parents:
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diff
changeset
|
416 index->mmap_disable = (flags & MAIL_INDEX_OPEN_FLAG_MMAP_DISABLE) != 0; |
fc2f5607108d
fsck the index while it's being mapped.
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parents:
6372
diff
changeset
|
417 index->use_excl_dotlocks = |
fc2f5607108d
fsck the index while it's being mapped.
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parents:
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diff
changeset
|
418 (flags & MAIL_INDEX_OPEN_FLAG_DOTLOCK_USE_EXCL) != 0; |
fc2f5607108d
fsck the index while it's being mapped.
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parents:
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diff
changeset
|
419 index->fsync_disable = |
fc2f5607108d
fsck the index while it's being mapped.
Timo Sirainen <tss@iki.fi>
parents:
6372
diff
changeset
|
420 (flags & MAIL_INDEX_OPEN_FLAG_FSYNC_DISABLE) != 0; |
fc2f5607108d
fsck the index while it's being mapped.
Timo Sirainen <tss@iki.fi>
parents:
6372
diff
changeset
|
421 index->nfs_flush = (flags & MAIL_INDEX_OPEN_FLAG_NFS_FLUSH) != 0; |
6686
610f3d9813b5
Added MAIL_INDEX_OPEN_FLAG_READONLY.
Timo Sirainen <tss@iki.fi>
parents:
6679
diff
changeset
|
422 index->readonly = (flags & MAIL_INDEX_OPEN_FLAG_READONLY) != 0; |
8960
63a75a03360c
dbox: Create dovecot.index.backup files.
Timo Sirainen <tss@iki.fi>
parents:
8953
diff
changeset
|
423 index->keep_backups = (flags & MAIL_INDEX_OPEN_FLAG_KEEP_BACKUPS) != 0; |
8973
f295678cef1e
dbox: Make sure indexes are never moved to memory (in case of out-of-disk space).
Timo Sirainen <tss@iki.fi>
parents:
8960
diff
changeset
|
424 index->never_in_memory = |
f295678cef1e
dbox: Make sure indexes are never moved to memory (in case of out-of-disk space).
Timo Sirainen <tss@iki.fi>
parents:
8960
diff
changeset
|
425 (flags & MAIL_INDEX_OPEN_FLAG_NEVER_IN_MEMORY) != 0; |
6375
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fsck the index while it's being mapped.
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parents:
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diff
changeset
|
426 index->lock_method = lock_method; |
1915
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importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
427 |
6375
fc2f5607108d
fsck the index while it's being mapped.
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parents:
6372
diff
changeset
|
428 if (index->nfs_flush && index->fsync_disable) |
fc2f5607108d
fsck the index while it's being mapped.
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parents:
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diff
changeset
|
429 i_fatal("nfs flush requires fsync_disable=no"); |
fc2f5607108d
fsck the index while it's being mapped.
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parents:
6372
diff
changeset
|
430 if (index->nfs_flush && !index->mmap_disable) |
fc2f5607108d
fsck the index while it's being mapped.
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parents:
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diff
changeset
|
431 i_fatal("nfs flush requires mmap_disable=yes"); |
fc2f5607108d
fsck the index while it's being mapped.
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parents:
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diff
changeset
|
432 |
fc2f5607108d
fsck the index while it's being mapped.
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parents:
6372
diff
changeset
|
433 if ((ret = mail_index_open_files(index, flags)) <= 0) { |
fc2f5607108d
fsck the index while it's being mapped.
Timo Sirainen <tss@iki.fi>
parents:
6372
diff
changeset
|
434 /* doesn't exist and create flag not used */ |
fc2f5607108d
fsck the index while it's being mapped.
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parents:
6372
diff
changeset
|
435 mail_index_close(index); |
fc2f5607108d
fsck the index while it's being mapped.
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parents:
6372
diff
changeset
|
436 return ret; |
3824
3e756ea0474b
Comment updates, small cleanups and optimizations.
Timo Sirainen <tss@iki.fi>
parents:
3819
diff
changeset
|
437 } |
1915
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
438 |
6375
fc2f5607108d
fsck the index while it's being mapped.
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parents:
6372
diff
changeset
|
439 i_assert(index->map != NULL); |
fc2f5607108d
fsck the index while it's being mapped.
Timo Sirainen <tss@iki.fi>
parents:
6372
diff
changeset
|
440 index->opened = TRUE; |
fc2f5607108d
fsck the index while it's being mapped.
Timo Sirainen <tss@iki.fi>
parents:
6372
diff
changeset
|
441 return 1; |
1915
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
442 } |
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
443 |
8953
f80f26822262
Added mail_index_open_or_create().
Timo Sirainen <tss@iki.fi>
parents:
8590
diff
changeset
|
444 int mail_index_open_or_create(struct mail_index *index, |
f80f26822262
Added mail_index_open_or_create().
Timo Sirainen <tss@iki.fi>
parents:
8590
diff
changeset
|
445 enum mail_index_open_flags flags, |
f80f26822262
Added mail_index_open_or_create().
Timo Sirainen <tss@iki.fi>
parents:
8590
diff
changeset
|
446 enum file_lock_method lock_method) |
f80f26822262
Added mail_index_open_or_create().
Timo Sirainen <tss@iki.fi>
parents:
8590
diff
changeset
|
447 { |
f80f26822262
Added mail_index_open_or_create().
Timo Sirainen <tss@iki.fi>
parents:
8590
diff
changeset
|
448 int ret; |
f80f26822262
Added mail_index_open_or_create().
Timo Sirainen <tss@iki.fi>
parents:
8590
diff
changeset
|
449 |
f80f26822262
Added mail_index_open_or_create().
Timo Sirainen <tss@iki.fi>
parents:
8590
diff
changeset
|
450 flags |= MAIL_INDEX_OPEN_FLAG_CREATE; |
f80f26822262
Added mail_index_open_or_create().
Timo Sirainen <tss@iki.fi>
parents:
8590
diff
changeset
|
451 ret = mail_index_open(index, flags, lock_method); |
f80f26822262
Added mail_index_open_or_create().
Timo Sirainen <tss@iki.fi>
parents:
8590
diff
changeset
|
452 i_assert(ret != 0); |
f80f26822262
Added mail_index_open_or_create().
Timo Sirainen <tss@iki.fi>
parents:
8590
diff
changeset
|
453 return ret < 0 ? -1 : 0; |
f80f26822262
Added mail_index_open_or_create().
Timo Sirainen <tss@iki.fi>
parents:
8590
diff
changeset
|
454 } |
f80f26822262
Added mail_index_open_or_create().
Timo Sirainen <tss@iki.fi>
parents:
8590
diff
changeset
|
455 |
6390
ff48b008150f
Fix ESTALE handling when reading main index.
Timo Sirainen <tss@iki.fi>
parents:
6384
diff
changeset
|
456 void mail_index_close_file(struct mail_index *index) |
1915
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
457 { |
4876
f1d77064884c
Lock handling changes. Everything goes through file-lock API now and there's
Timo Sirainen <tss@iki.fi>
parents:
4795
diff
changeset
|
458 if (index->file_lock != NULL) |
f1d77064884c
Lock handling changes. Everything goes through file-lock API now and there's
Timo Sirainen <tss@iki.fi>
parents:
4795
diff
changeset
|
459 file_lock_free(&index->file_lock); |
2200
97bb7b127617
Beginnings of getting cache file working again. Easy to break currently, but
Timo Sirainen <tss@iki.fi>
parents:
2193
diff
changeset
|
460 |
1915
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
461 if (index->fd != -1) { |
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
462 if (close(index->fd) < 0) |
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
463 mail_index_set_syscall_error(index, "close()"); |
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
464 index->fd = -1; |
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
465 } |
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
466 |
5854 | 467 index->lock_id_counter += 2; |
6372
f33ea6ff46ea
Drop also exclusive locks when closing index files (there shouldn't be any
Timo Sirainen <tss@iki.fi>
parents:
6371
diff
changeset
|
468 index->lock_type = F_UNLCK; |
5689
c2362f144f15
Initial commit for major index file code cleanup.
Timo Sirainen <tss@iki.fi>
parents:
5686
diff
changeset
|
469 index->shared_lock_count = 0; |
6372
f33ea6ff46ea
Drop also exclusive locks when closing index files (there shouldn't be any
Timo Sirainen <tss@iki.fi>
parents:
6371
diff
changeset
|
470 index->excl_lock_count = 0; |
5689
c2362f144f15
Initial commit for major index file code cleanup.
Timo Sirainen <tss@iki.fi>
parents:
5686
diff
changeset
|
471 } |
c2362f144f15
Initial commit for major index file code cleanup.
Timo Sirainen <tss@iki.fi>
parents:
5686
diff
changeset
|
472 |
c2362f144f15
Initial commit for major index file code cleanup.
Timo Sirainen <tss@iki.fi>
parents:
5686
diff
changeset
|
473 void mail_index_close(struct mail_index *index) |
c2362f144f15
Initial commit for major index file code cleanup.
Timo Sirainen <tss@iki.fi>
parents:
5686
diff
changeset
|
474 { |
5827 | 475 if (index->map != NULL) |
5853
d9f319a9d6e0
mail_index_map now contains pointer to index, so all functions taking map
Timo Sirainen <tss@iki.fi>
parents:
5827
diff
changeset
|
476 mail_index_unmap(&index->map); |
5827 | 477 |
478 mail_index_close_file(index); | |
5689
c2362f144f15
Initial commit for major index file code cleanup.
Timo Sirainen <tss@iki.fi>
parents:
5686
diff
changeset
|
479 mail_transaction_log_close(index->log); |
c2362f144f15
Initial commit for major index file code cleanup.
Timo Sirainen <tss@iki.fi>
parents:
5686
diff
changeset
|
480 if (index->cache != NULL) |
c2362f144f15
Initial commit for major index file code cleanup.
Timo Sirainen <tss@iki.fi>
parents:
5686
diff
changeset
|
481 mail_cache_free(&index->cache); |
c2362f144f15
Initial commit for major index file code cleanup.
Timo Sirainen <tss@iki.fi>
parents:
5686
diff
changeset
|
482 |
3879
928229f8b3e6
deinit, unref, destroy, close, free, etc. functions now take a pointer to
Timo Sirainen <tss@iki.fi>
parents:
3863
diff
changeset
|
483 i_free_and_null(index->filepath); |
1915
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
484 |
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
485 index->indexid = 0; |
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
486 index->opened = FALSE; |
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
487 } |
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
488 |
9311 | 489 int mail_index_unlink(struct mail_index *index) |
490 { | |
491 const char *path; | |
492 int last_errno = 0; | |
493 | |
494 if (MAIL_INDEX_IS_IN_MEMORY(index)) | |
495 return 0; | |
496 | |
497 /* main index */ | |
498 if (unlink(index->filepath) < 0 && errno != ENOENT) | |
499 last_errno = errno; | |
500 | |
501 /* logs */ | |
502 path = t_strconcat(index->filepath, MAIL_TRANSACTION_LOG_SUFFIX, NULL); | |
503 if (unlink(path) < 0 && errno != ENOENT) | |
504 last_errno = errno; | |
505 | |
506 path = t_strconcat(index->filepath, | |
507 MAIL_TRANSACTION_LOG_SUFFIX".2", NULL); | |
508 if (unlink(path) < 0 && errno != ENOENT) | |
509 last_errno = errno; | |
510 | |
511 /* cache */ | |
512 path = t_strconcat(index->filepath, MAIL_CACHE_FILE_SUFFIX, NULL); | |
513 if (unlink(path) < 0 && errno != ENOENT) | |
514 last_errno = errno; | |
515 | |
516 if (last_errno == 0) | |
517 return 0; | |
518 else { | |
519 errno = last_errno; | |
520 return -1; | |
521 } | |
522 } | |
523 | |
5689
c2362f144f15
Initial commit for major index file code cleanup.
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parents:
5686
diff
changeset
|
524 int mail_index_reopen_if_changed(struct mail_index *index) |
2063
21a3e5d08290
mail_index_refresh() - allows forcing a refresh check
Timo Sirainen <tss@iki.fi>
parents:
2051
diff
changeset
|
525 { |
21a3e5d08290
mail_index_refresh() - allows forcing a refresh check
Timo Sirainen <tss@iki.fi>
parents:
2051
diff
changeset
|
526 struct stat st1, st2; |
21a3e5d08290
mail_index_refresh() - allows forcing a refresh check
Timo Sirainen <tss@iki.fi>
parents:
2051
diff
changeset
|
527 |
6829
dbab5e592577
NFS cache flushing APIs changed and backend implements it a bit differently.
Timo Sirainen <tss@iki.fi>
parents:
6819
diff
changeset
|
528 i_assert(index->shared_lock_count == 0 || !index->nfs_flush); |
5689
c2362f144f15
Initial commit for major index file code cleanup.
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parents:
5686
diff
changeset
|
529 i_assert(index->excl_lock_count == 0); |
c2362f144f15
Initial commit for major index file code cleanup.
Timo Sirainen <tss@iki.fi>
parents:
5686
diff
changeset
|
530 |
3243
40b4ba3c55b8
In-memory indexes work again. Just pass dir as NULL to mail_index_alloc().
Timo Sirainen <tss@iki.fi>
parents:
3231
diff
changeset
|
531 if (MAIL_INDEX_IS_IN_MEMORY(index)) |
40b4ba3c55b8
In-memory indexes work again. Just pass dir as NULL to mail_index_alloc().
Timo Sirainen <tss@iki.fi>
parents:
3231
diff
changeset
|
532 return 0; |
40b4ba3c55b8
In-memory indexes work again. Just pass dir as NULL to mail_index_alloc().
Timo Sirainen <tss@iki.fi>
parents:
3231
diff
changeset
|
533 |
5689
c2362f144f15
Initial commit for major index file code cleanup.
Timo Sirainen <tss@iki.fi>
parents:
5686
diff
changeset
|
534 if (index->fd == -1) |
c2362f144f15
Initial commit for major index file code cleanup.
Timo Sirainen <tss@iki.fi>
parents:
5686
diff
changeset
|
535 return mail_index_try_open_only(index); |
c2362f144f15
Initial commit for major index file code cleanup.
Timo Sirainen <tss@iki.fi>
parents:
5686
diff
changeset
|
536 |
6797
a59deefc552f
NFS attribute cache flushing fixes. nfs_flush_attr_cache() takes now
Timo Sirainen <tss@iki.fi>
parents:
6755
diff
changeset
|
537 if (index->nfs_flush) |
6857 | 538 nfs_flush_file_handle_cache(index->filepath); |
6797
a59deefc552f
NFS attribute cache flushing fixes. nfs_flush_attr_cache() takes now
Timo Sirainen <tss@iki.fi>
parents:
6755
diff
changeset
|
539 if (nfs_safe_stat(index->filepath, &st2) < 0) { |
a59deefc552f
NFS attribute cache flushing fixes. nfs_flush_attr_cache() takes now
Timo Sirainen <tss@iki.fi>
parents:
6755
diff
changeset
|
540 if (errno == ENOENT) |
a59deefc552f
NFS attribute cache flushing fixes. nfs_flush_attr_cache() takes now
Timo Sirainen <tss@iki.fi>
parents:
6755
diff
changeset
|
541 return 0; |
a59deefc552f
NFS attribute cache flushing fixes. nfs_flush_attr_cache() takes now
Timo Sirainen <tss@iki.fi>
parents:
6755
diff
changeset
|
542 return mail_index_set_syscall_error(index, "stat()"); |
a59deefc552f
NFS attribute cache flushing fixes. nfs_flush_attr_cache() takes now
Timo Sirainen <tss@iki.fi>
parents:
6755
diff
changeset
|
543 } |
a59deefc552f
NFS attribute cache flushing fixes. nfs_flush_attr_cache() takes now
Timo Sirainen <tss@iki.fi>
parents:
6755
diff
changeset
|
544 |
4023
b19ccbaa3802
Try to handle ESTALE NFS errors the best way we can.
Timo Sirainen <timo.sirainen@movial.fi>
parents:
3912
diff
changeset
|
545 if (fstat(index->fd, &st1) < 0) { |
5689
c2362f144f15
Initial commit for major index file code cleanup.
Timo Sirainen <tss@iki.fi>
parents:
5686
diff
changeset
|
546 if (errno != ESTALE) |
c2362f144f15
Initial commit for major index file code cleanup.
Timo Sirainen <tss@iki.fi>
parents:
5686
diff
changeset
|
547 return mail_index_set_syscall_error(index, "fstat()"); |
c2362f144f15
Initial commit for major index file code cleanup.
Timo Sirainen <tss@iki.fi>
parents:
5686
diff
changeset
|
548 /* deleted/recreated, reopen */ |
6829
dbab5e592577
NFS cache flushing APIs changed and backend implements it a bit differently.
Timo Sirainen <tss@iki.fi>
parents:
6819
diff
changeset
|
549 } else if (st1.st_ino == st2.st_ino && |
dbab5e592577
NFS cache flushing APIs changed and backend implements it a bit differently.
Timo Sirainen <tss@iki.fi>
parents:
6819
diff
changeset
|
550 CMP_DEV_T(st1.st_dev, st2.st_dev)) { |
5689
c2362f144f15
Initial commit for major index file code cleanup.
Timo Sirainen <tss@iki.fi>
parents:
5686
diff
changeset
|
551 /* the same file */ |
2063
21a3e5d08290
mail_index_refresh() - allows forcing a refresh check
Timo Sirainen <tss@iki.fi>
parents:
2051
diff
changeset
|
552 return 1; |
21a3e5d08290
mail_index_refresh() - allows forcing a refresh check
Timo Sirainen <tss@iki.fi>
parents:
2051
diff
changeset
|
553 } |
5689
c2362f144f15
Initial commit for major index file code cleanup.
Timo Sirainen <tss@iki.fi>
parents:
5686
diff
changeset
|
554 |
c2362f144f15
Initial commit for major index file code cleanup.
Timo Sirainen <tss@iki.fi>
parents:
5686
diff
changeset
|
555 /* new file, new locks. the old fd can keep its locks, they don't |
c2362f144f15
Initial commit for major index file code cleanup.
Timo Sirainen <tss@iki.fi>
parents:
5686
diff
changeset
|
556 matter anymore as no-one's going to modify the file. */ |
c2362f144f15
Initial commit for major index file code cleanup.
Timo Sirainen <tss@iki.fi>
parents:
5686
diff
changeset
|
557 mail_index_close_file(index); |
c2362f144f15
Initial commit for major index file code cleanup.
Timo Sirainen <tss@iki.fi>
parents:
5686
diff
changeset
|
558 |
c2362f144f15
Initial commit for major index file code cleanup.
Timo Sirainen <tss@iki.fi>
parents:
5686
diff
changeset
|
559 return mail_index_try_open_only(index); |
2063
21a3e5d08290
mail_index_refresh() - allows forcing a refresh check
Timo Sirainen <tss@iki.fi>
parents:
2051
diff
changeset
|
560 } |
21a3e5d08290
mail_index_refresh() - allows forcing a refresh check
Timo Sirainen <tss@iki.fi>
parents:
2051
diff
changeset
|
561 |
2936
57f975a9b63b
Renamed mail_index_refresh() to mail_index_reopen_if_needed(). Added public
Timo Sirainen <tss@iki.fi>
parents:
2935
diff
changeset
|
562 int mail_index_refresh(struct mail_index *index) |
57f975a9b63b
Renamed mail_index_refresh() to mail_index_reopen_if_needed(). Added public
Timo Sirainen <tss@iki.fi>
parents:
2935
diff
changeset
|
563 { |
57f975a9b63b
Renamed mail_index_refresh() to mail_index_reopen_if_needed(). Added public
Timo Sirainen <tss@iki.fi>
parents:
2935
diff
changeset
|
564 int ret; |
57f975a9b63b
Renamed mail_index_refresh() to mail_index_reopen_if_needed(). Added public
Timo Sirainen <tss@iki.fi>
parents:
2935
diff
changeset
|
565 |
5854 | 566 ret = mail_index_map(index, MAIL_INDEX_SYNC_HANDLER_HEAD); |
2936
57f975a9b63b
Renamed mail_index_refresh() to mail_index_reopen_if_needed(). Added public
Timo Sirainen <tss@iki.fi>
parents:
2935
diff
changeset
|
567 return ret <= 0 ? -1 : 0; |
57f975a9b63b
Renamed mail_index_refresh() to mail_index_reopen_if_needed(). Added public
Timo Sirainen <tss@iki.fi>
parents:
2935
diff
changeset
|
568 } |
57f975a9b63b
Renamed mail_index_refresh() to mail_index_reopen_if_needed(). Added public
Timo Sirainen <tss@iki.fi>
parents:
2935
diff
changeset
|
569 |
1915
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
570 struct mail_cache *mail_index_get_cache(struct mail_index *index) |
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
571 { |
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
572 return index->cache; |
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
573 } |
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
574 |
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
575 int mail_index_set_error(struct mail_index *index, const char *fmt, ...) |
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
576 { |
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
577 va_list va; |
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
578 |
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
579 i_free(index->error); |
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
580 |
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
581 if (fmt == NULL) |
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
582 index->error = NULL; |
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
583 else { |
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
584 va_start(va, fmt); |
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
585 index->error = i_strdup_vprintf(fmt, va); |
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
586 va_end(va); |
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
587 |
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
588 i_error("%s", index->error); |
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
589 } |
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
590 |
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
591 return -1; |
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
592 } |
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
593 |
9099
67369ba9f447
maildir: When saving messages, in some race conditions we might have written a duplicate UID.
Timo Sirainen <tss@iki.fi>
parents:
8973
diff
changeset
|
594 bool mail_index_is_in_memory(struct mail_index *index) |
67369ba9f447
maildir: When saving messages, in some race conditions we might have written a duplicate UID.
Timo Sirainen <tss@iki.fi>
parents:
8973
diff
changeset
|
595 { |
67369ba9f447
maildir: When saving messages, in some race conditions we might have written a duplicate UID.
Timo Sirainen <tss@iki.fi>
parents:
8973
diff
changeset
|
596 return MAIL_INDEX_IS_IN_MEMORY(index); |
67369ba9f447
maildir: When saving messages, in some race conditions we might have written a duplicate UID.
Timo Sirainen <tss@iki.fi>
parents:
8973
diff
changeset
|
597 } |
67369ba9f447
maildir: When saving messages, in some race conditions we might have written a duplicate UID.
Timo Sirainen <tss@iki.fi>
parents:
8973
diff
changeset
|
598 |
3833
318c70c1d4ec
Beginnings of fallbacking to in-memory indexes when write fails with "out of
Timo Sirainen <tss@iki.fi>
parents:
3832
diff
changeset
|
599 int mail_index_move_to_memory(struct mail_index *index) |
318c70c1d4ec
Beginnings of fallbacking to in-memory indexes when write fails with "out of
Timo Sirainen <tss@iki.fi>
parents:
3832
diff
changeset
|
600 { |
3911
3a2fe49912f3
Fixed mail_index_move_to_memory() to work better and made it public
Timo Sirainen <tss@iki.fi>
parents:
3879
diff
changeset
|
601 struct mail_index_map *map; |
3a2fe49912f3
Fixed mail_index_move_to_memory() to work better and made it public
Timo Sirainen <tss@iki.fi>
parents:
3879
diff
changeset
|
602 |
4394
0462137fa4ce
mail_index_move_to_memory(): Don't break if the index is already in memory.
Timo Sirainen <tss@iki.fi>
parents:
4312
diff
changeset
|
603 if (MAIL_INDEX_IS_IN_MEMORY(index)) |
5430
c8bb83980ff7
If mail_index_move_to_memory() fails, make sure the future calls to it also
Timo Sirainen <tss@iki.fi>
parents:
5323
diff
changeset
|
604 return index->map == NULL ? -1 : 0; |
4394
0462137fa4ce
mail_index_move_to_memory(): Don't break if the index is already in memory.
Timo Sirainen <tss@iki.fi>
parents:
4312
diff
changeset
|
605 |
8973
f295678cef1e
dbox: Make sure indexes are never moved to memory (in case of out-of-disk space).
Timo Sirainen <tss@iki.fi>
parents:
8960
diff
changeset
|
606 if (index->never_in_memory) |
f295678cef1e
dbox: Make sure indexes are never moved to memory (in case of out-of-disk space).
Timo Sirainen <tss@iki.fi>
parents:
8960
diff
changeset
|
607 return -1; |
f295678cef1e
dbox: Make sure indexes are never moved to memory (in case of out-of-disk space).
Timo Sirainen <tss@iki.fi>
parents:
8960
diff
changeset
|
608 |
4919
d54145736f99
If mail_index_move_to_memory() was called before index file was opened, we
Timo Sirainen <tss@iki.fi>
parents:
4918
diff
changeset
|
609 /* set the index as being into memory */ |
d54145736f99
If mail_index_move_to_memory() was called before index file was opened, we
Timo Sirainen <tss@iki.fi>
parents:
4918
diff
changeset
|
610 i_free_and_null(index->dir); |
d54145736f99
If mail_index_move_to_memory() was called before index file was opened, we
Timo Sirainen <tss@iki.fi>
parents:
4918
diff
changeset
|
611 |
5274
7641e625fbd5
When moving index file to memory, change the filename to be "(in-memory
Timo Sirainen <tss@iki.fi>
parents:
5273
diff
changeset
|
612 i_free(index->filepath); |
7641e625fbd5
When moving index file to memory, change the filename to be "(in-memory
Timo Sirainen <tss@iki.fi>
parents:
5273
diff
changeset
|
613 index->filepath = i_strdup("(in-memory index)"); |
7641e625fbd5
When moving index file to memory, change the filename to be "(in-memory
Timo Sirainen <tss@iki.fi>
parents:
5273
diff
changeset
|
614 |
3912
fc0b638330a4
Added mbox_min_index_size setting.
Timo Sirainen <tss@iki.fi>
parents:
3911
diff
changeset
|
615 if (index->map == NULL) { |
5224 | 616 /* index was never even opened. just mark it as being in |
3912
fc0b638330a4
Added mbox_min_index_size setting.
Timo Sirainen <tss@iki.fi>
parents:
3911
diff
changeset
|
617 memory and let the caller re-open the index. */ |
fc0b638330a4
Added mbox_min_index_size setting.
Timo Sirainen <tss@iki.fi>
parents:
3911
diff
changeset
|
618 i_assert(index->fd == -1); |
fc0b638330a4
Added mbox_min_index_size setting.
Timo Sirainen <tss@iki.fi>
parents:
3911
diff
changeset
|
619 return -1; |
fc0b638330a4
Added mbox_min_index_size setting.
Timo Sirainen <tss@iki.fi>
parents:
3911
diff
changeset
|
620 } |
fc0b638330a4
Added mbox_min_index_size setting.
Timo Sirainen <tss@iki.fi>
parents:
3911
diff
changeset
|
621 |
3911
3a2fe49912f3
Fixed mail_index_move_to_memory() to work better and made it public
Timo Sirainen <tss@iki.fi>
parents:
3879
diff
changeset
|
622 /* move index map to memory */ |
5278
d569caa88a66
If we run out of disk space, move to in-memory indexes.
Timo Sirainen <tss@iki.fi>
parents:
5274
diff
changeset
|
623 if (!MAIL_INDEX_MAP_IS_IN_MEMORY(index->map)) { |
5689
c2362f144f15
Initial commit for major index file code cleanup.
Timo Sirainen <tss@iki.fi>
parents:
5686
diff
changeset
|
624 map = mail_index_map_clone(index->map); |
5853
d9f319a9d6e0
mail_index_map now contains pointer to index, so all functions taking map
Timo Sirainen <tss@iki.fi>
parents:
5827
diff
changeset
|
625 mail_index_unmap(&index->map); |
5278
d569caa88a66
If we run out of disk space, move to in-memory indexes.
Timo Sirainen <tss@iki.fi>
parents:
5274
diff
changeset
|
626 index->map = map; |
d569caa88a66
If we run out of disk space, move to in-memory indexes.
Timo Sirainen <tss@iki.fi>
parents:
5274
diff
changeset
|
627 } |
3911
3a2fe49912f3
Fixed mail_index_move_to_memory() to work better and made it public
Timo Sirainen <tss@iki.fi>
parents:
3879
diff
changeset
|
628 |
4053
94b3363165c8
If transaction log opening fails, don't crash when trying to move it to
Timo Sirainen <tss@iki.fi>
parents:
4026
diff
changeset
|
629 if (index->log != NULL) { |
94b3363165c8
If transaction log opening fails, don't crash when trying to move it to
Timo Sirainen <tss@iki.fi>
parents:
4026
diff
changeset
|
630 /* move transaction log to memory */ |
5714
dcf5dbb6a76a
mail_transaction_log_move_to_memory() can't fail anymore. Moved the code to
Timo Sirainen <tss@iki.fi>
parents:
5689
diff
changeset
|
631 mail_transaction_log_move_to_memory(index->log); |
4053
94b3363165c8
If transaction log opening fails, don't crash when trying to move it to
Timo Sirainen <tss@iki.fi>
parents:
4026
diff
changeset
|
632 } |
3911
3a2fe49912f3
Fixed mail_index_move_to_memory() to work better and made it public
Timo Sirainen <tss@iki.fi>
parents:
3879
diff
changeset
|
633 |
4876
f1d77064884c
Lock handling changes. Everything goes through file-lock API now and there's
Timo Sirainen <tss@iki.fi>
parents:
4795
diff
changeset
|
634 if (index->file_lock != NULL) |
f1d77064884c
Lock handling changes. Everything goes through file-lock API now and there's
Timo Sirainen <tss@iki.fi>
parents:
4795
diff
changeset
|
635 file_lock_free(&index->file_lock); |
f1d77064884c
Lock handling changes. Everything goes through file-lock API now and there's
Timo Sirainen <tss@iki.fi>
parents:
4795
diff
changeset
|
636 |
6022
8da2881df0dc
mail_index_move_to_memory(): Don't log an error if index fd is already closed
Timo Sirainen <tss@iki.fi>
parents:
5976
diff
changeset
|
637 if (index->fd != -1) { |
8da2881df0dc
mail_index_move_to_memory(): Don't log an error if index fd is already closed
Timo Sirainen <tss@iki.fi>
parents:
5976
diff
changeset
|
638 if (close(index->fd) < 0) |
8da2881df0dc
mail_index_move_to_memory(): Don't log an error if index fd is already closed
Timo Sirainen <tss@iki.fi>
parents:
5976
diff
changeset
|
639 mail_index_set_syscall_error(index, "close()"); |
8da2881df0dc
mail_index_move_to_memory(): Don't log an error if index fd is already closed
Timo Sirainen <tss@iki.fi>
parents:
5976
diff
changeset
|
640 index->fd = -1; |
8da2881df0dc
mail_index_move_to_memory(): Don't log an error if index fd is already closed
Timo Sirainen <tss@iki.fi>
parents:
5976
diff
changeset
|
641 } |
5714
dcf5dbb6a76a
mail_transaction_log_move_to_memory() can't fail anymore. Moved the code to
Timo Sirainen <tss@iki.fi>
parents:
5689
diff
changeset
|
642 return 0; |
3833
318c70c1d4ec
Beginnings of fallbacking to in-memory indexes when write fails with "out of
Timo Sirainen <tss@iki.fi>
parents:
3832
diff
changeset
|
643 } |
318c70c1d4ec
Beginnings of fallbacking to in-memory indexes when write fails with "out of
Timo Sirainen <tss@iki.fi>
parents:
3832
diff
changeset
|
644 |
1945 | 645 void mail_index_mark_corrupted(struct mail_index *index) |
1943 | 646 { |
5820
e59892590a02
Handle losing index file better. Handle fsck better.
Timo Sirainen <tss@iki.fi>
parents:
5819
diff
changeset
|
647 index->indexid = 0; |
1945 | 648 |
5772
002aa9bbfcb2
Removed index->hdr. Use index->map->hdr instead.
Timo Sirainen <tss@iki.fi>
parents:
5714
diff
changeset
|
649 index->map->hdr.flags |= MAIL_INDEX_HDR_FLAG_CORRUPTED; |
5775
98d5e3bd4d13
Handle corruption marking by unlinking dovecot.index file. Removed
Timo Sirainen <tss@iki.fi>
parents:
5773
diff
changeset
|
650 if (unlink(index->filepath) < 0 && errno != ENOENT && errno != ESTALE) |
98d5e3bd4d13
Handle corruption marking by unlinking dovecot.index file. Removed
Timo Sirainen <tss@iki.fi>
parents:
5773
diff
changeset
|
651 mail_index_set_syscall_error(index, "unlink()"); |
1943 | 652 } |
653 | |
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654 void mail_index_fchown(struct mail_index *index, int fd, const char *path) |
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655 { |
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656 mode_t mode; |
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657 |
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658 if (index->gid == (gid_t)-1) { |
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659 /* no gid changing */ |
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660 return; |
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661 } else if (fchown(fd, (uid_t)-1, index->gid) == 0) { |
c496f137c843
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parents:
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662 /* success */ |
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663 return; |
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664 } if ((index->mode & 0060) >> 3 == (index->mode & 0006)) { |
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665 /* group and world permissions are the same, so group doesn't |
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666 really matter. ignore silently. */ |
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667 return; |
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668 } |
9537
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669 if (errno != EACCES) |
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670 mail_index_file_set_syscall_error(index, path, "fchown()"); |
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671 else { |
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672 mail_index_set_error(index, "%s", |
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Whenever file's group changing fails, show the group origin in the error message.
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673 eperm_error_get_chgrp("fchown", path, index->gid, |
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674 index->gid_origin)); |
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675 } |
9421
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676 |
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677 /* continue, but change permissions so that only the common |
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678 subset of group and world is used. this makes sure no one |
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679 gets any extra permissions. */ |
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680 mode = ((index->mode & 0060) >> 3) & (index->mode & 0006); |
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681 mode |= (mode << 3) | (index->mode & 0600); |
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682 if (fchmod(fd, mode) < 0) |
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683 mail_index_file_set_syscall_error(index, path, "fchmod()"); |
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684 } |
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|
685 |
1915
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686 int mail_index_set_syscall_error(struct mail_index *index, |
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687 const char *function) |
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688 { |
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689 i_assert(function != NULL); |
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690 |
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691 if (ENOSPACE(errno)) { |
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692 index->nodiskspace = TRUE; |
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693 if (!index->never_in_memory) |
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694 return -1; |
1915
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695 } |
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696 |
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697 return mail_index_set_error(index, "%s failed with index file %s: %m", |
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698 function, index->filepath); |
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699 } |
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700 |
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701 int mail_index_file_set_syscall_error(struct mail_index *index, |
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702 const char *filepath, |
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703 const char *function) |
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704 { |
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705 i_assert(filepath != NULL); |
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706 i_assert(function != NULL); |
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|
707 |
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708 if (ENOSPACE(errno)) { |
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709 index->nodiskspace = TRUE; |
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|
710 if (!index->never_in_memory) |
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711 return -1; |
1915
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|
712 } |
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713 |
9535
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Timo Sirainen <tss@iki.fi>
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9421
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714 if (errno == EACCES) { |
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715 return mail_index_set_error(index, "%s", |
bbe4c24faf21
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diff
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|
716 eacces_error_get(t_strcut(function, '('), filepath)); |
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|
717 } else { |
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Timo Sirainen <tss@iki.fi>
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|
718 return mail_index_set_error(index, "%s failed with file %s: %m", |
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9421
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|
719 function, filepath); |
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Timo Sirainen <tss@iki.fi>
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|
720 } |
1915
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|
721 } |
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|
722 |
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changeset
|
723 const char *mail_index_get_error_message(struct mail_index *index) |
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parents:
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|
724 { |
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parents:
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|
725 return index->error; |
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parents:
diff
changeset
|
726 } |
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changeset
|
727 |
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|
728 void mail_index_reset_error(struct mail_index *index) |
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parents:
diff
changeset
|
729 { |
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parents:
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changeset
|
730 if (index->error != NULL) { |
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parents:
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|
731 i_free(index->error); |
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parents:
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changeset
|
732 index->error = NULL; |
79790750c349
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parents:
diff
changeset
|
733 } |
79790750c349
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parents:
diff
changeset
|
734 |
79790750c349
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changeset
|
735 index->nodiskspace = FALSE; |
79790750c349
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changeset
|
736 index->index_lock_timeout = FALSE; |
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|
737 } |