Mercurial > dovecot > original-hg > dovecot-1.2
annotate src/lib-index/mail-cache-fields.c @ 6443:53313d1e7e4f HEAD
Code cleanups and some minor fixes.
author | Timo Sirainen <tss@iki.fi> |
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date | Sat, 22 Sep 2007 11:42:58 +0300 |
parents | 65c69a53a7be |
children | c7742d109a67 |
rev | line source |
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Replaced my Copyright notices. The year range always ends with 2007 now.
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1 /* Copyright (c) 2004-2007 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 "buffer.h" |
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5 #include "hash.h" |
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6 #include "file-cache.h" |
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7 #include "write-full.h" |
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8 #include "mail-cache-private.h" |
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9 |
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10 #include <stddef.h> |
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11 |
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12 #define CACHE_HDR_PREFETCH 1024 |
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13 |
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14 #define CACHE_FIELD_IS_NEWLY_WANTED(cache, field_idx) \ |
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15 ((cache)->field_file_map[field_idx] == (uint32_t)-1 && \ |
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16 (cache)->fields[field_idx].used) |
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17 |
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18 static bool field_has_fixed_size(enum mail_cache_field_type type) |
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19 { |
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20 switch (type) { |
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21 case MAIL_CACHE_FIELD_FIXED_SIZE: |
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22 case MAIL_CACHE_FIELD_BITMASK: |
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23 return TRUE; |
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24 case MAIL_CACHE_FIELD_VARIABLE_SIZE: |
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25 case MAIL_CACHE_FIELD_STRING: |
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26 case MAIL_CACHE_FIELD_HEADER: |
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27 return FALSE; |
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28 |
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29 case MAIL_CACHE_FIELD_COUNT: |
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30 break; |
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31 } |
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32 |
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33 i_unreached(); |
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34 return FALSE; |
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35 } |
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36 |
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37 static bool field_decision_is_valid(enum mail_cache_decision_type type) |
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38 { |
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39 switch (type & ~MAIL_CACHE_DECISION_FORCED) { |
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40 case MAIL_CACHE_DECISION_NO: |
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41 case MAIL_CACHE_DECISION_TEMP: |
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42 case MAIL_CACHE_DECISION_YES: |
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43 return TRUE; |
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44 default: |
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45 return FALSE; |
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46 } |
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47 } |
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48 |
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49 static int field_type_verify(struct mail_cache *cache, unsigned int idx, |
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50 enum mail_cache_field_type type, unsigned int size) |
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51 { |
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52 const struct mail_cache_field *field = &cache->fields[idx].field; |
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53 |
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54 if (field->type != type) { |
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55 mail_cache_set_corrupted(cache, |
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56 "registered field %s type changed", field->name); |
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57 return -1; |
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58 } |
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59 if (field->field_size != size && field_has_fixed_size(type)) { |
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60 mail_cache_set_corrupted(cache, |
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61 "registered field %s size changed", field->name); |
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62 return -1; |
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63 } |
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64 return 0; |
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65 } |
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66 |
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67 void mail_cache_register_fields(struct mail_cache *cache, |
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68 struct mail_cache_field *fields, |
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69 unsigned int fields_count) |
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70 { |
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71 void *orig_key, *orig_value; |
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72 char *name; |
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73 unsigned int new_idx; |
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74 unsigned int i, j; |
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75 |
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76 new_idx = cache->fields_count; |
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77 for (i = 0; i < fields_count; i++) { |
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78 if (hash_lookup_full(cache->field_name_hash, fields[i].name, |
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79 &orig_key, &orig_value)) { |
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80 i_assert(fields[i].type < MAIL_CACHE_FIELD_COUNT); |
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81 |
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82 fields[i].idx = |
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83 POINTER_CAST_TO(orig_value, unsigned int); |
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84 (void)field_type_verify(cache, fields[i].idx, |
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85 fields[i].type, |
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86 fields[i].field_size); |
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87 continue; |
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88 } |
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89 |
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90 /* check if the same header is being registered in the |
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91 same field array */ |
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92 for (j = 0; j < i; j++) { |
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93 if (strcasecmp(fields[i].name, fields[j].name) == 0) { |
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94 fields[i].idx = fields[j].idx; |
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95 break; |
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96 } |
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97 } |
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98 |
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99 if (j == i) |
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100 fields[i].idx = new_idx++; |
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101 } |
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102 |
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103 if (new_idx == cache->fields_count) |
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104 return; |
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105 |
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106 /* @UNSAFE */ |
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107 cache->fields = i_realloc(cache->fields, |
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108 cache->fields_count * sizeof(*cache->fields), |
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109 new_idx * sizeof(*cache->fields)); |
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110 cache->field_file_map = |
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111 i_realloc(cache->field_file_map, |
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112 cache->fields_count * sizeof(*cache->field_file_map), |
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113 new_idx * sizeof(*cache->field_file_map)); |
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114 |
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115 for (i = 0; i < fields_count; i++) { |
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diff
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|
116 unsigned int idx = fields[i].idx; |
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Header caching redesigned. New design allows caching decisions per field, so
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diff
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|
117 |
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Header caching redesigned. New design allows caching decisions per field, so
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|
118 if (idx < cache->fields_count) |
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Header caching redesigned. New design allows caching decisions per field, so
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diff
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|
119 continue; |
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Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
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|
120 |
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Header caching redesigned. New design allows caching decisions per field, so
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diff
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|
121 /* new index - save it */ |
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While casting const pointers to something else, the const was often
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122 name = p_strdup(cache->field_pool, fields[i].name); |
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Cache fixes. Decisions are saved again.
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123 cache->fields[idx].field = fields[i]; |
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While casting const pointers to something else, the const was often
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124 cache->fields[idx].field.name = name; |
2327
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Header caching redesigned. New design allows caching decisions per field, so
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125 cache->field_file_map[idx] = (uint32_t)-1; |
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Header caching redesigned. New design allows caching decisions per field, so
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|
126 |
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35d9433de1ca
When registering fields, if they were already exited in the cache file mark
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127 if (!field_has_fixed_size(cache->fields[idx].field.type)) |
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128 cache->fields[idx].field.field_size = (unsigned int)-1; |
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129 |
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|
130 hash_insert(cache->field_name_hash, name, POINTER_CAST(idx)); |
2327
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Header caching redesigned. New design allows caching decisions per field, so
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|
131 } |
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Header caching redesigned. New design allows caching decisions per field, so
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132 cache->fields_count = new_idx; |
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Header caching redesigned. New design allows caching decisions per field, so
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|
133 } |
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Header caching redesigned. New design allows caching decisions per field, so
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|
134 |
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Header caching redesigned. New design allows caching decisions per field, so
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|
135 unsigned int |
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Header caching redesigned. New design allows caching decisions per field, so
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|
136 mail_cache_register_lookup(struct mail_cache *cache, const char *name) |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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137 { |
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Header caching redesigned. New design allows caching decisions per field, so
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138 void *orig_key, *orig_value; |
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Header caching redesigned. New design allows caching decisions per field, so
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139 |
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Header caching redesigned. New design allows caching decisions per field, so
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140 if (hash_lookup_full(cache->field_name_hash, name, |
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Header caching redesigned. New design allows caching decisions per field, so
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|
141 &orig_key, &orig_value)) |
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Header caching redesigned. New design allows caching decisions per field, so
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|
142 return POINTER_CAST_TO(orig_value, unsigned int); |
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Header caching redesigned. New design allows caching decisions per field, so
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|
143 else |
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Header caching redesigned. New design allows caching decisions per field, so
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|
144 return (unsigned int)-1; |
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|
145 } |
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Header caching redesigned. New design allows caching decisions per field, so
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|
146 |
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Added mail_cache_register_get_list() to get a list of all registered fields
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|
147 const struct mail_cache_field * |
b7ce2532250a
Added mail_cache_register_get_list() to get a list of all registered fields
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148 mail_cache_register_get_list(struct mail_cache *cache, pool_t pool, |
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Added mail_cache_register_get_list() to get a list of all registered fields
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|
149 unsigned int *count_r) |
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Added mail_cache_register_get_list() to get a list of all registered fields
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150 { |
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Added mail_cache_register_get_list() to get a list of all registered fields
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|
151 struct mail_cache_field *list; |
b7ce2532250a
Added mail_cache_register_get_list() to get a list of all registered fields
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|
152 unsigned int i; |
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Added mail_cache_register_get_list() to get a list of all registered fields
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153 |
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When getting cache fields list, make sure cache file is opened.
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|
154 if (!cache->opened) |
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When getting cache fields list, make sure cache file is opened.
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|
155 (void)mail_cache_open_and_verify(cache); |
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When getting cache fields list, make sure cache file is opened.
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156 |
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Added mail_cache_register_get_list() to get a list of all registered fields
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|
157 list = p_new(pool, struct mail_cache_field, cache->fields_count); |
3494
7cab5dc6a0cd
mail_cache_register_get_list(): Allocate the returned strings also from
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|
158 for (i = 0; i < cache->fields_count; i++) { |
3461
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Added mail_cache_register_get_list() to get a list of all registered fields
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diff
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|
159 list[i] = cache->fields[i].field; |
3494
7cab5dc6a0cd
mail_cache_register_get_list(): Allocate the returned strings also from
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diff
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|
160 list[i].name = p_strdup(pool, list[i].name); |
7cab5dc6a0cd
mail_cache_register_get_list(): Allocate the returned strings also from
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|
161 } |
3461
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Added mail_cache_register_get_list() to get a list of all registered fields
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|
162 |
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Added mail_cache_register_get_list() to get a list of all registered fields
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3375
diff
changeset
|
163 *count_r = cache->fields_count; |
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Added mail_cache_register_get_list() to get a list of all registered fields
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|
164 return list; |
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Added mail_cache_register_get_list() to get a list of all registered fields
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|
165 } |
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Added mail_cache_register_get_list() to get a list of all registered fields
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|
166 |
2327
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Header caching redesigned. New design allows caching decisions per field, so
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|
167 static int mail_cache_header_fields_get_offset(struct mail_cache *cache, |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
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|
168 uint32_t *offset_r) |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
169 { |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
170 const struct mail_cache_header_fields *field_hdr; |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
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|
171 uint32_t offset, next_offset; |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
172 |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
173 if (MAIL_CACHE_IS_UNUSABLE(cache)) { |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
174 *offset_r = 0; |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
175 return 0; |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
176 } |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
177 |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
178 /* find the latest header */ |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
179 offset = 0; |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
180 next_offset = |
2407
fed6d07bd8ee
Transaction log file is now read-lockless.
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2362
diff
changeset
|
181 mail_index_offset_to_uint32(cache->hdr->field_header_offset); |
2327
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
182 while (next_offset != 0) { |
2339
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Cache fixes. Decisions are saved again.
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2327
diff
changeset
|
183 if (next_offset == offset) { |
406692edc12d
Cache fixes. Decisions are saved again.
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2327
diff
changeset
|
184 mail_cache_set_corrupted(cache, |
406692edc12d
Cache fixes. Decisions are saved again.
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2327
diff
changeset
|
185 "next_offset in field header loops"); |
406692edc12d
Cache fixes. Decisions are saved again.
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diff
changeset
|
186 return -1; |
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Cache fixes. Decisions are saved again.
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diff
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|
187 } |
2327
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Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
188 offset = next_offset; |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
189 |
2867
d416b6d0a7ee
More correct file cache invalidating.
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2866
diff
changeset
|
190 if (cache->file_cache != NULL) { |
d416b6d0a7ee
More correct file cache invalidating.
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diff
changeset
|
191 /* we can't trust that the cached data is valid */ |
d416b6d0a7ee
More correct file cache invalidating.
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diff
changeset
|
192 file_cache_invalidate(cache->file_cache, offset, |
d416b6d0a7ee
More correct file cache invalidating.
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2866
diff
changeset
|
193 sizeof(*field_hdr) + |
d416b6d0a7ee
More correct file cache invalidating.
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2866
diff
changeset
|
194 CACHE_HDR_PREFETCH); |
d416b6d0a7ee
More correct file cache invalidating.
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diff
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|
195 } |
2327
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Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
196 if (mail_cache_map(cache, offset, |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
197 sizeof(*field_hdr) + CACHE_HDR_PREFETCH) < 0) |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
198 return -1; |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
199 |
2866
bf1e718e7370
Cache file works now with mmap_disable=yes. Still needs a few optimizations.
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2708
diff
changeset
|
200 field_hdr = CONST_PTR_OFFSET(cache->data, offset); |
2327
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
201 next_offset = |
2407
fed6d07bd8ee
Transaction log file is now read-lockless.
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2362
diff
changeset
|
202 mail_index_offset_to_uint32(field_hdr->next_offset); |
2327
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
203 } |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
204 |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
205 *offset_r = offset; |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
206 return 0; |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
207 } |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
208 |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
209 int mail_cache_header_fields_read(struct mail_cache *cache) |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
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|
210 { |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
211 const struct mail_cache_header_fields *field_hdr = NULL; |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
212 struct mail_cache_field field; |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
213 const uint32_t *last_used, *sizes; |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
214 const uint8_t *types, *decisions; |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
215 const char *p, *names, *end; |
2339
406692edc12d
Cache fixes. Decisions are saved again.
Timo Sirainen <tss@iki.fi>
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2327
diff
changeset
|
216 void *orig_key, *orig_value; |
5952
ba118a9eeb50
Some paranoia fixes for memory allocation. Don't access a mmaped variable
Timo Sirainen <tss@iki.fi>
parents:
5947
diff
changeset
|
217 unsigned int new_fields_count; |
6296
205ee38f10d1
Drop fields that haven't been used for 30 days when compressing.
Timo Sirainen <tss@iki.fi>
parents:
6003
diff
changeset
|
218 time_t max_drop_time; |
2327
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
219 uint32_t offset, i; |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
220 |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
221 if (mail_cache_header_fields_get_offset(cache, &offset) < 0) |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
222 return -1; |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
223 |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
224 if (offset == 0) { |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
225 /* no fields - the file is empty */ |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
226 return 0; |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
227 } |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
228 |
2866
bf1e718e7370
Cache file works now with mmap_disable=yes. Still needs a few optimizations.
Timo Sirainen <tss@iki.fi>
parents:
2708
diff
changeset
|
229 field_hdr = CONST_PTR_OFFSET(cache->data, offset); |
2327
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
230 if (offset + field_hdr->size > cache->mmap_length) { |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
231 mail_cache_set_corrupted(cache, |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
232 "field header points outside file"); |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
233 return -1; |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
234 } |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
235 |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
236 /* check the fixed size of the header. name[] has to be checked |
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Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
237 separately */ |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
238 if (field_hdr->size < sizeof(*field_hdr) + |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
239 field_hdr->fields_count * (sizeof(uint32_t)*2 + 1 + 2)) { |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
240 mail_cache_set_corrupted(cache, "invalid field header size"); |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
241 return -1; |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
242 } |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
243 |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
244 if (field_hdr->size > sizeof(*field_hdr) + CACHE_HDR_PREFETCH) { |
2867
d416b6d0a7ee
More correct file cache invalidating.
Timo Sirainen <tss@iki.fi>
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2866
diff
changeset
|
245 if (cache->file_cache != NULL) { |
d416b6d0a7ee
More correct file cache invalidating.
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2866
diff
changeset
|
246 /* we can't trust that the cached data is valid */ |
d416b6d0a7ee
More correct file cache invalidating.
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2866
diff
changeset
|
247 file_cache_invalidate(cache->file_cache, offset, |
d416b6d0a7ee
More correct file cache invalidating.
Timo Sirainen <tss@iki.fi>
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2866
diff
changeset
|
248 sizeof(*field_hdr) + |
d416b6d0a7ee
More correct file cache invalidating.
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2866
diff
changeset
|
249 CACHE_HDR_PREFETCH); |
d416b6d0a7ee
More correct file cache invalidating.
Timo Sirainen <tss@iki.fi>
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diff
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|
250 } |
2327
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
251 if (mail_cache_map(cache, offset, field_hdr->size) < 0) |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
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|
252 return -1; |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
253 } |
2866
bf1e718e7370
Cache file works now with mmap_disable=yes. Still needs a few optimizations.
Timo Sirainen <tss@iki.fi>
parents:
2708
diff
changeset
|
254 field_hdr = CONST_PTR_OFFSET(cache->data, offset); |
5952
ba118a9eeb50
Some paranoia fixes for memory allocation. Don't access a mmaped variable
Timo Sirainen <tss@iki.fi>
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5947
diff
changeset
|
255 new_fields_count = field_hdr->fields_count; |
2327
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Header caching redesigned. New design allows caching decisions per field, so
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diff
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|
256 |
5952
ba118a9eeb50
Some paranoia fixes for memory allocation. Don't access a mmaped variable
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5947
diff
changeset
|
257 if (new_fields_count != 0) { |
4110
9662de8fc649
Don't crash with "can't allocate 0 bytes of memory" if there are zero
Timo Sirainen <tss@iki.fi>
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4020
diff
changeset
|
258 cache->file_field_map = |
9662de8fc649
Don't crash with "can't allocate 0 bytes of memory" if there are zero
Timo Sirainen <tss@iki.fi>
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4020
diff
changeset
|
259 i_realloc(cache->file_field_map, |
9662de8fc649
Don't crash with "can't allocate 0 bytes of memory" if there are zero
Timo Sirainen <tss@iki.fi>
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diff
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|
260 cache->file_fields_count * |
9662de8fc649
Don't crash with "can't allocate 0 bytes of memory" if there are zero
Timo Sirainen <tss@iki.fi>
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4020
diff
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|
261 sizeof(unsigned int), |
5952
ba118a9eeb50
Some paranoia fixes for memory allocation. Don't access a mmaped variable
Timo Sirainen <tss@iki.fi>
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diff
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|
262 new_fields_count * sizeof(unsigned int)); |
4110
9662de8fc649
Don't crash with "can't allocate 0 bytes of memory" if there are zero
Timo Sirainen <tss@iki.fi>
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|
263 } else { |
9662de8fc649
Don't crash with "can't allocate 0 bytes of memory" if there are zero
Timo Sirainen <tss@iki.fi>
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diff
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|
264 i_free_and_null(cache->file_field_map); |
9662de8fc649
Don't crash with "can't allocate 0 bytes of memory" if there are zero
Timo Sirainen <tss@iki.fi>
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diff
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|
265 } |
5952
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Some paranoia fixes for memory allocation. Don't access a mmaped variable
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diff
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|
266 cache->file_fields_count = new_fields_count; |
2327
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Header caching redesigned. New design allows caching decisions per field, so
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diff
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|
267 |
2339
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Cache fixes. Decisions are saved again.
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diff
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|
268 last_used = CONST_PTR_OFFSET(field_hdr, MAIL_CACHE_FIELD_LAST_USED()); |
406692edc12d
Cache fixes. Decisions are saved again.
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269 sizes = CONST_PTR_OFFSET(field_hdr, |
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Cache fixes. Decisions are saved again.
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|
270 MAIL_CACHE_FIELD_SIZE(field_hdr->fields_count)); |
406692edc12d
Cache fixes. Decisions are saved again.
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|
271 types = CONST_PTR_OFFSET(field_hdr, |
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Cache fixes. Decisions are saved again.
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|
272 MAIL_CACHE_FIELD_TYPE(field_hdr->fields_count)); |
406692edc12d
Cache fixes. Decisions are saved again.
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273 decisions = CONST_PTR_OFFSET(field_hdr, |
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Cache fixes. Decisions are saved again.
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|
274 MAIL_CACHE_FIELD_DECISION(field_hdr->fields_count)); |
406692edc12d
Cache fixes. Decisions are saved again.
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|
275 names = CONST_PTR_OFFSET(field_hdr, |
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Cache fixes. Decisions are saved again.
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diff
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|
276 MAIL_CACHE_FIELD_NAMES(field_hdr->fields_count)); |
2327
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Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
277 end = CONST_PTR_OFFSET(field_hdr, field_hdr->size); |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
278 |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
279 /* clear the old mapping */ |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
280 for (i = 0; i < cache->fields_count; i++) |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
281 cache->field_file_map[i] = (uint32_t)-1; |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
282 |
6296
205ee38f10d1
Drop fields that haven't been used for 30 days when compressing.
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6003
diff
changeset
|
283 max_drop_time = cache->index->map->hdr.day_stamp - |
205ee38f10d1
Drop fields that haven't been used for 30 days when compressing.
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6003
diff
changeset
|
284 MAIL_CACHE_FIELD_DROP_SECS; |
205ee38f10d1
Drop fields that haven't been used for 30 days when compressing.
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diff
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|
285 |
2327
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
286 memset(&field, 0, sizeof(field)); |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
287 for (i = 0; i < field_hdr->fields_count; i++) { |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
288 for (p = names; p != end && *p != '\0'; p++) ; |
2339
406692edc12d
Cache fixes. Decisions are saved again.
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2327
diff
changeset
|
289 if (p == end || *names == '\0') { |
2327
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
290 mail_cache_set_corrupted(cache, |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
291 "field header names corrupted"); |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
292 return -1; |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
293 } |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
294 |
4722
b0cf3e4d6c96
If cache file contains broken field type or decision type mark the cache
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4654
diff
changeset
|
295 if (types[i] > MAIL_CACHE_FIELD_COUNT) { |
b0cf3e4d6c96
If cache file contains broken field type or decision type mark the cache
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4654
diff
changeset
|
296 mail_cache_set_corrupted(cache, "field type corrupted"); |
b0cf3e4d6c96
If cache file contains broken field type or decision type mark the cache
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diff
changeset
|
297 return -1; |
b0cf3e4d6c96
If cache file contains broken field type or decision type mark the cache
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4654
diff
changeset
|
298 } |
b0cf3e4d6c96
If cache file contains broken field type or decision type mark the cache
Timo Sirainen <tss@iki.fi>
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4654
diff
changeset
|
299 if (!field_decision_is_valid(decisions[i])) { |
b0cf3e4d6c96
If cache file contains broken field type or decision type mark the cache
Timo Sirainen <tss@iki.fi>
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4654
diff
changeset
|
300 mail_cache_set_corrupted(cache, |
b0cf3e4d6c96
If cache file contains broken field type or decision type mark the cache
Timo Sirainen <tss@iki.fi>
parents:
4654
diff
changeset
|
301 "field decision type corrupted"); |
b0cf3e4d6c96
If cache file contains broken field type or decision type mark the cache
Timo Sirainen <tss@iki.fi>
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diff
changeset
|
302 return -1; |
b0cf3e4d6c96
If cache file contains broken field type or decision type mark the cache
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4654
diff
changeset
|
303 } |
b0cf3e4d6c96
If cache file contains broken field type or decision type mark the cache
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diff
changeset
|
304 |
2339
406692edc12d
Cache fixes. Decisions are saved again.
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diff
changeset
|
305 if (hash_lookup_full(cache->field_name_hash, names, |
406692edc12d
Cache fixes. Decisions are saved again.
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diff
changeset
|
306 &orig_key, &orig_value)) { |
406692edc12d
Cache fixes. Decisions are saved again.
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diff
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|
307 /* already exists, see if decision can be updated */ |
406692edc12d
Cache fixes. Decisions are saved again.
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diff
changeset
|
308 field.idx = POINTER_CAST_TO(orig_value, unsigned int); |
406692edc12d
Cache fixes. Decisions are saved again.
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2327
diff
changeset
|
309 if (!cache->fields[field.idx].decision_dirty) { |
406692edc12d
Cache fixes. Decisions are saved again.
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diff
changeset
|
310 cache->fields[field.idx].field.decision = |
406692edc12d
Cache fixes. Decisions are saved again.
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2327
diff
changeset
|
311 decisions[i]; |
406692edc12d
Cache fixes. Decisions are saved again.
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diff
changeset
|
312 } |
4654
35d9433de1ca
When registering fields, if they were already exited in the cache file mark
Timo Sirainen <tss@iki.fi>
parents:
4345
diff
changeset
|
313 if (field_type_verify(cache, field.idx, |
35d9433de1ca
When registering fields, if they were already exited in the cache file mark
Timo Sirainen <tss@iki.fi>
parents:
4345
diff
changeset
|
314 types[i], sizes[i]) < 0) |
4345
f5d9c2b4d118
If cache field's size is wrong, rebuild the cache file instead of crashing
Timo Sirainen <tss@iki.fi>
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4110
diff
changeset
|
315 return -1; |
2339
406692edc12d
Cache fixes. Decisions are saved again.
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2327
diff
changeset
|
316 } else { |
406692edc12d
Cache fixes. Decisions are saved again.
Timo Sirainen <tss@iki.fi>
parents:
2327
diff
changeset
|
317 field.name = names; |
406692edc12d
Cache fixes. Decisions are saved again.
Timo Sirainen <tss@iki.fi>
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diff
changeset
|
318 field.type = types[i]; |
406692edc12d
Cache fixes. Decisions are saved again.
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2327
diff
changeset
|
319 field.field_size = sizes[i]; |
406692edc12d
Cache fixes. Decisions are saved again.
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2327
diff
changeset
|
320 field.decision = decisions[i]; |
406692edc12d
Cache fixes. Decisions are saved again.
Timo Sirainen <tss@iki.fi>
parents:
2327
diff
changeset
|
321 mail_cache_register_fields(cache, &field, 1); |
406692edc12d
Cache fixes. Decisions are saved again.
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diff
changeset
|
322 } |
2968
2ab037df6cf3
Check for duplicate fields in header.
Timo Sirainen <tss@iki.fi>
parents:
2929
diff
changeset
|
323 if (cache->field_file_map[field.idx] != (uint32_t)-1) { |
2ab037df6cf3
Check for duplicate fields in header.
Timo Sirainen <tss@iki.fi>
parents:
2929
diff
changeset
|
324 mail_cache_set_corrupted(cache, |
2ab037df6cf3
Check for duplicate fields in header.
Timo Sirainen <tss@iki.fi>
parents:
2929
diff
changeset
|
325 "Duplicated field in header: %s", names); |
2ab037df6cf3
Check for duplicate fields in header.
Timo Sirainen <tss@iki.fi>
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2929
diff
changeset
|
326 return -1; |
2ab037df6cf3
Check for duplicate fields in header.
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2929
diff
changeset
|
327 } |
6296
205ee38f10d1
Drop fields that haven't been used for 30 days when compressing.
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6003
diff
changeset
|
328 cache->fields[field.idx].used = TRUE; |
205ee38f10d1
Drop fields that haven't been used for 30 days when compressing.
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parents:
6003
diff
changeset
|
329 |
2327
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
330 cache->field_file_map[field.idx] = i; |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
331 cache->file_field_map[i] = field.idx; |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
332 |
2339
406692edc12d
Cache fixes. Decisions are saved again.
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diff
changeset
|
333 /* update last_used if it's newer than ours */ |
2342 | 334 if (last_used[i] > cache->fields[field.idx].last_used) |
335 cache->fields[field.idx].last_used = last_used[i]; | |
2339
406692edc12d
Cache fixes. Decisions are saved again.
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diff
changeset
|
336 |
6296
205ee38f10d1
Drop fields that haven't been used for 30 days when compressing.
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6003
diff
changeset
|
337 if (cache->fields[field.idx].last_used < max_drop_time) { |
205ee38f10d1
Drop fields that haven't been used for 30 days when compressing.
Timo Sirainen <tss@iki.fi>
parents:
6003
diff
changeset
|
338 /* time to drop this field */ |
205ee38f10d1
Drop fields that haven't been used for 30 days when compressing.
Timo Sirainen <tss@iki.fi>
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6003
diff
changeset
|
339 cache->need_compress_file_seq = cache->hdr->file_seq; |
205ee38f10d1
Drop fields that haven't been used for 30 days when compressing.
Timo Sirainen <tss@iki.fi>
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6003
diff
changeset
|
340 } |
205ee38f10d1
Drop fields that haven't been used for 30 days when compressing.
Timo Sirainen <tss@iki.fi>
parents:
6003
diff
changeset
|
341 |
2339
406692edc12d
Cache fixes. Decisions are saved again.
Timo Sirainen <tss@iki.fi>
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2327
diff
changeset
|
342 names = p + 1; |
2327
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
343 } |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
344 return 0; |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
345 } |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
346 |
6443
53313d1e7e4f
Code cleanups and some minor fixes.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
347 static void copy_to_buf(struct mail_cache *cache, buffer_t *dest, bool add_new, |
2339
406692edc12d
Cache fixes. Decisions are saved again.
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diff
changeset
|
348 size_t offset, size_t size) |
406692edc12d
Cache fixes. Decisions are saved again.
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diff
changeset
|
349 { |
406692edc12d
Cache fixes. Decisions are saved again.
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diff
changeset
|
350 const void *data; |
406692edc12d
Cache fixes. Decisions are saved again.
Timo Sirainen <tss@iki.fi>
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diff
changeset
|
351 unsigned int i, field; |
406692edc12d
Cache fixes. Decisions are saved again.
Timo Sirainen <tss@iki.fi>
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diff
changeset
|
352 |
6443
53313d1e7e4f
Code cleanups and some minor fixes.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
353 /* copy the existing fields */ |
2339
406692edc12d
Cache fixes. Decisions are saved again.
Timo Sirainen <tss@iki.fi>
parents:
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354 for (i = 0; i < cache->file_fields_count; i++) { |
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Cache fixes. Decisions are saved again.
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355 field = cache->file_field_map[i]; |
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356 data = CONST_PTR_OFFSET(&cache->fields[field], offset); |
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Cache fixes. Decisions are saved again.
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357 buffer_append(dest, data, size); |
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Cache fixes. Decisions are saved again.
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358 } |
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Code cleanups and some minor fixes.
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|
359 if (!add_new) |
53313d1e7e4f
Code cleanups and some minor fixes.
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|
360 return; |
53313d1e7e4f
Code cleanups and some minor fixes.
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361 |
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Code cleanups and some minor fixes.
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362 /* copy newly wanted fields */ |
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363 for (i = 0; i < cache->fields_count; i++) { |
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Code cleanups and some minor fixes.
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364 if (CACHE_FIELD_IS_NEWLY_WANTED(cache, i)) { |
53313d1e7e4f
Code cleanups and some minor fixes.
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365 data = CONST_PTR_OFFSET(&cache->fields[i], offset); |
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Code cleanups and some minor fixes.
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366 buffer_append(dest, data, size); |
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Code cleanups and some minor fixes.
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367 } |
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Cache fixes. Decisions are saved again.
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368 } |
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Cache fixes. Decisions are saved again.
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369 } |
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370 |
2342 | 371 static void copy_to_buf_byte(struct mail_cache *cache, buffer_t *dest, |
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372 bool add_new, size_t offset) |
2342 | 373 { |
374 const int *data; | |
375 unsigned int i, field; | |
376 uint8_t byte; | |
377 | |
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378 /* copy the existing fields */ |
2342 | 379 for (i = 0; i < cache->file_fields_count; i++) { |
380 field = cache->file_field_map[i]; | |
381 data = CONST_PTR_OFFSET(&cache->fields[field], offset); | |
382 byte = (uint8_t)*data; | |
383 buffer_append(dest, &byte, 1); | |
384 } | |
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Code cleanups and some minor fixes.
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385 if (!add_new) |
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Code cleanups and some minor fixes.
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386 return; |
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Code cleanups and some minor fixes.
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387 |
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Code cleanups and some minor fixes.
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388 /* copy newly wanted fields */ |
2342 | 389 for (i = 0; i < cache->fields_count; i++) { |
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390 if (CACHE_FIELD_IS_NEWLY_WANTED(cache, i)) { |
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Code cleanups and some minor fixes.
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391 data = CONST_PTR_OFFSET(&cache->fields[i], offset); |
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Code cleanups and some minor fixes.
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392 byte = (uint8_t)*data; |
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Code cleanups and some minor fixes.
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393 buffer_append(dest, &byte, 1); |
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Code cleanups and some minor fixes.
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394 } |
2342 | 395 } |
396 } | |
397 | |
2929 | 398 static int mail_cache_header_fields_update_locked(struct mail_cache *cache) |
2327
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Header caching redesigned. New design allows caching decisions per field, so
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399 { |
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400 buffer_t *buffer; |
6443
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Code cleanups and some minor fixes.
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401 uint32_t i, offset, dec_offset; |
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Cache fixes. Decisions are saved again.
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402 int ret = 0; |
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Header caching redesigned. New design allows caching decisions per field, so
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changeset
|
403 |
2339
406692edc12d
Cache fixes. Decisions are saved again.
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404 if (mail_cache_header_fields_read(cache) < 0 || |
2929 | 405 mail_cache_header_fields_get_offset(cache, &offset) < 0) |
2339
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Cache fixes. Decisions are saved again.
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|
406 return -1; |
406692edc12d
Cache fixes. Decisions are saved again.
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|
407 |
406692edc12d
Cache fixes. Decisions are saved again.
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|
408 t_push(); |
2708
f1e9f3ec8135
Buffer API change: we no longer support limited sized buffers where
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diff
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|
409 buffer = buffer_create_dynamic(pool_datastack_create(), 256); |
2339
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Cache fixes. Decisions are saved again.
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410 |
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Code cleanups and some minor fixes.
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411 copy_to_buf(cache, buffer, FALSE, |
2339
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412 offsetof(struct mail_cache_field_private, last_used), |
406692edc12d
Cache fixes. Decisions are saved again.
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413 sizeof(uint32_t)); |
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Code cleanups and some minor fixes.
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414 ret = mail_cache_write(cache, buffer->data, buffer->used, |
3375
9e2abc4c341c
Whenever writing to cache file, also updated file_cache. Fixes problems with
Timo Sirainen <tss@iki.fi>
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3278
diff
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415 offset + MAIL_CACHE_FIELD_LAST_USED()); |
2339
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Cache fixes. Decisions are saved again.
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416 if (ret == 0) { |
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Cache fixes. Decisions are saved again.
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417 buffer_set_used_size(buffer, 0); |
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Code cleanups and some minor fixes.
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418 copy_to_buf_byte(cache, buffer, FALSE, |
2342 | 419 offsetof(struct mail_cache_field, decision)); |
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420 |
6443
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Code cleanups and some minor fixes.
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|
421 dec_offset = offset + |
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Code cleanups and some minor fixes.
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422 MAIL_CACHE_FIELD_DECISION(cache->file_fields_count); |
53313d1e7e4f
Code cleanups and some minor fixes.
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423 ret = mail_cache_write(cache, buffer->data, buffer->used, |
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Code cleanups and some minor fixes.
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424 dec_offset); |
2339
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425 if (ret == 0) { |
2592 | 426 for (i = 0; i < cache->file_fields_count; i++) |
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427 cache->fields[i].decision_dirty = FALSE; |
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428 } |
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|
429 } |
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Cache fixes. Decisions are saved again.
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|
430 t_pop(); |
406692edc12d
Cache fixes. Decisions are saved again.
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|
431 |
2867
d416b6d0a7ee
More correct file cache invalidating.
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diff
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|
432 if (ret == 0) |
2339
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Cache fixes. Decisions are saved again.
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433 cache->field_header_write_pending = FALSE; |
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Header caching redesigned. New design allows caching decisions per field, so
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|
434 |
2929 | 435 return ret; |
436 } | |
437 | |
438 int mail_cache_header_fields_update(struct mail_cache *cache) | |
439 { | |
440 int ret; | |
441 | |
442 if (cache->locked) | |
443 return mail_cache_header_fields_update_locked(cache); | |
444 | |
5947
7ebe0593f488
Don't create cache file until something is actually being added to it.
Timo Sirainen <tss@iki.fi>
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diff
changeset
|
445 if (mail_cache_lock(cache, NULL) <= 0) |
2929 | 446 return -1; |
447 | |
448 ret = mail_cache_header_fields_update_locked(cache); | |
3627
c0e35566dd14
Unlocking cache file can also corrupt it since it modifies it. Added a
Timo Sirainen <tss@iki.fi>
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3617
diff
changeset
|
449 if (mail_cache_unlock(cache) < 0) |
c0e35566dd14
Unlocking cache file can also corrupt it since it modifies it. Added a
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diff
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|
450 ret = -1; |
2339
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Cache fixes. Decisions are saved again.
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|
451 return ret; |
2327
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Header caching redesigned. New design allows caching decisions per field, so
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diff
changeset
|
452 } |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
453 |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
454 void mail_cache_header_fields_get(struct mail_cache *cache, buffer_t *dest) |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
455 { |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
456 struct mail_cache_header_fields hdr; |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
457 unsigned int field; |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
458 const char *name; |
2339
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Cache fixes. Decisions are saved again.
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diff
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|
459 uint32_t i; |
2327
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
460 |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
461 memset(&hdr, 0, sizeof(hdr)); |
6296
205ee38f10d1
Drop fields that haven't been used for 30 days when compressing.
Timo Sirainen <tss@iki.fi>
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6003
diff
changeset
|
462 hdr.fields_count = cache->file_fields_count; |
205ee38f10d1
Drop fields that haven't been used for 30 days when compressing.
Timo Sirainen <tss@iki.fi>
parents:
6003
diff
changeset
|
463 for (i = 0; i < cache->fields_count; i++) { |
6443
53313d1e7e4f
Code cleanups and some minor fixes.
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parents:
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diff
changeset
|
464 if (CACHE_FIELD_IS_NEWLY_WANTED(cache, i)) |
6296
205ee38f10d1
Drop fields that haven't been used for 30 days when compressing.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
465 hdr.fields_count++; |
205ee38f10d1
Drop fields that haven't been used for 30 days when compressing.
Timo Sirainen <tss@iki.fi>
parents:
6003
diff
changeset
|
466 } |
2327
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
467 buffer_append(dest, &hdr, sizeof(hdr)); |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
468 |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
469 /* we have to keep the field order for the existing fields. */ |
6443
53313d1e7e4f
Code cleanups and some minor fixes.
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diff
changeset
|
470 copy_to_buf(cache, dest, TRUE, |
2339
406692edc12d
Cache fixes. Decisions are saved again.
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diff
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|
471 offsetof(struct mail_cache_field_private, last_used), |
406692edc12d
Cache fixes. Decisions are saved again.
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diff
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|
472 sizeof(uint32_t)); |
6443
53313d1e7e4f
Code cleanups and some minor fixes.
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diff
changeset
|
473 copy_to_buf(cache, dest, TRUE, |
53313d1e7e4f
Code cleanups and some minor fixes.
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diff
changeset
|
474 offsetof(struct mail_cache_field, field_size), |
2339
406692edc12d
Cache fixes. Decisions are saved again.
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parents:
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diff
changeset
|
475 sizeof(uint32_t)); |
6443
53313d1e7e4f
Code cleanups and some minor fixes.
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diff
changeset
|
476 copy_to_buf_byte(cache, dest, TRUE, |
53313d1e7e4f
Code cleanups and some minor fixes.
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parents:
6429
diff
changeset
|
477 offsetof(struct mail_cache_field, type)); |
53313d1e7e4f
Code cleanups and some minor fixes.
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parents:
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diff
changeset
|
478 copy_to_buf_byte(cache, dest, TRUE, |
2342 | 479 offsetof(struct mail_cache_field, decision)); |
2339
406692edc12d
Cache fixes. Decisions are saved again.
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diff
changeset
|
480 |
6443
53313d1e7e4f
Code cleanups and some minor fixes.
Timo Sirainen <tss@iki.fi>
parents:
6429
diff
changeset
|
481 i_assert(dest->used == sizeof(hdr) + |
2339
406692edc12d
Cache fixes. Decisions are saved again.
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parents:
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diff
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|
482 (sizeof(uint32_t)*2 + 2) * hdr.fields_count); |
2327
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
483 |
6443
53313d1e7e4f
Code cleanups and some minor fixes.
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parents:
6429
diff
changeset
|
484 /* add existing fields' names */ |
2327
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
485 for (i = 0; i < cache->file_fields_count; i++) { |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
486 field = cache->file_field_map[i]; |
2339
406692edc12d
Cache fixes. Decisions are saved again.
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diff
changeset
|
487 name = cache->fields[field].field.name; |
2327
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
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parents:
diff
changeset
|
488 buffer_append(dest, name, strlen(name)+1); |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
489 } |
6443
53313d1e7e4f
Code cleanups and some minor fixes.
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parents:
6429
diff
changeset
|
490 /* add newly wanted fields' names */ |
2327
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
491 for (i = 0; i < cache->fields_count; i++) { |
6443
53313d1e7e4f
Code cleanups and some minor fixes.
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parents:
6429
diff
changeset
|
492 if (CACHE_FIELD_IS_NEWLY_WANTED(cache, i)) { |
53313d1e7e4f
Code cleanups and some minor fixes.
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parents:
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diff
changeset
|
493 name = cache->fields[i].field.name; |
53313d1e7e4f
Code cleanups and some minor fixes.
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diff
changeset
|
494 buffer_append(dest, name, strlen(name)+1); |
53313d1e7e4f
Code cleanups and some minor fixes.
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parents:
6429
diff
changeset
|
495 } |
2327
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
496 } |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
497 |
6443
53313d1e7e4f
Code cleanups and some minor fixes.
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parents:
6429
diff
changeset
|
498 hdr.size = dest->used; |
2327
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
499 buffer_write(dest, 0, &hdr, sizeof(hdr)); |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
500 |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
501 if ((hdr.size & 3) != 0) |
3617
904849549eac
Removed null4 and replaced the few uses of it with buffer_append_zero().
Timo Sirainen <tss@iki.fi>
parents:
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502 buffer_append_zero(dest, 4 - (hdr.size & 3)); |
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Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
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503 } |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
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504 |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
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505 int mail_cache_header_fields_get_next_offset(struct mail_cache *cache, |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
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506 uint32_t *offset_r) |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
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507 { |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
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508 if (mail_cache_header_fields_get_offset(cache, offset_r) < 0) |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
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509 return -1; |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
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510 |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
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511 if (*offset_r == 0) { |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
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512 *offset_r = offsetof(struct mail_cache_header, |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
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513 field_header_offset); |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
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514 } else { |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
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515 *offset_r += offsetof(struct mail_cache_header_fields, |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
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516 next_offset); |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
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517 } |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
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518 return 0; |
7d02e2a7672d
Header caching redesigned. New design allows caching decisions per field, so
Timo Sirainen <tss@iki.fi>
parents:
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519 } |