dovecot/original-hg/dovecot-1.2: src/lib-index/mail-cache-fields.c annotate

annotate src/lib-index/mail-cache-fields.c @ 4345:f5d9c2b4d118 HEAD

If cache field's size is wrong, rebuild the cache file instead of crashing sometimes later.

author	Timo Sirainen <tss@iki.fi>
date	Fri, 16 Jun 2006 12:26:52 +0300
parents	9662de8fc649
children	35d9433de1ca

rev	line source
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	1 /* Copyright (C) 2004 Timo Sirainen */
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	2
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	3 #include "lib.h"
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	4 #include "buffer.h"
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	5 #include "hash.h"
2866 bf1e718e7370 Cache file works now with mmap_disable=yes. Still needs a few optimizations. Timo Sirainen <tss@iki.fi> parents: 2708 diff changeset	6 #include "file-cache.h"
2339 406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	7 #include "write-full.h"
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	8 #include "mail-cache-private.h"
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	9
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	10 #include <stddef.h>
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	11
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	12 #define CACHE_HDR_PREFETCH 1024
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	13
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	14 void mail_cache_register_fields(struct mail_cache *cache,
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	15 struct mail_cache_field *fields,
3278 df372eecc5d0 Several size_t -> unsigned int changes. Try to keep "unsigned int" for Timo Sirainen <tss@iki.fi> parents: 2968 diff changeset	16 unsigned int fields_count)
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	17 {
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	18 void orig_key, orig_value;
4020 fcfd44f56b04 While casting const pointers to something else, the const was often Timo Sirainen <tss@iki.fi> parents: 3999 diff changeset	19 char *name;
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	20 unsigned int new_idx;
3999 f1e29736e60d Don't register cache fields twice. Fixes "duplicate field in header" errors. Timo Sirainen <tss@iki.fi> parents: 3627 diff changeset	21 unsigned int i, j;
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	22
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	23 new_idx = cache->fields_count;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	24 for (i = 0; i < fields_count; i++) {
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	25 if (hash_lookup_full(cache->field_name_hash, fields[i].name,
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	26 &orig_key, &orig_value)) {
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	27 fields[i].idx =
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	28 POINTER_CAST_TO(orig_value, unsigned int);
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	29 continue;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	30 }
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	31
3999 f1e29736e60d Don't register cache fields twice. Fixes "duplicate field in header" errors. Timo Sirainen <tss@iki.fi> parents: 3627 diff changeset	32 /* check if the same header is being registered in the
f1e29736e60d Don't register cache fields twice. Fixes "duplicate field in header" errors. Timo Sirainen <tss@iki.fi> parents: 3627 diff changeset	33 same field array */
f1e29736e60d Don't register cache fields twice. Fixes "duplicate field in header" errors. Timo Sirainen <tss@iki.fi> parents: 3627 diff changeset	34 for (j = 0; j < i; j++) {
f1e29736e60d Don't register cache fields twice. Fixes "duplicate field in header" errors. Timo Sirainen <tss@iki.fi> parents: 3627 diff changeset	35 if (strcasecmp(fields[i].name, fields[j].name) == 0) {
f1e29736e60d Don't register cache fields twice. Fixes "duplicate field in header" errors. Timo Sirainen <tss@iki.fi> parents: 3627 diff changeset	36 fields[i].idx = fields[j].idx;
f1e29736e60d Don't register cache fields twice. Fixes "duplicate field in header" errors. Timo Sirainen <tss@iki.fi> parents: 3627 diff changeset	37 break;
f1e29736e60d Don't register cache fields twice. Fixes "duplicate field in header" errors. Timo Sirainen <tss@iki.fi> parents: 3627 diff changeset	38 }
f1e29736e60d Don't register cache fields twice. Fixes "duplicate field in header" errors. Timo Sirainen <tss@iki.fi> parents: 3627 diff changeset	39 }
f1e29736e60d Don't register cache fields twice. Fixes "duplicate field in header" errors. Timo Sirainen <tss@iki.fi> parents: 3627 diff changeset	40
f1e29736e60d Don't register cache fields twice. Fixes "duplicate field in header" errors. Timo Sirainen <tss@iki.fi> parents: 3627 diff changeset	41 if (j == i)
f1e29736e60d Don't register cache fields twice. Fixes "duplicate field in header" errors. Timo Sirainen <tss@iki.fi> parents: 3627 diff changeset	42 fields[i].idx = new_idx++;
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	43 }
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	44
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	45 if (new_idx == cache->fields_count)
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	46 return;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	47
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	48 /* @UNSAFE */
2362 f2acbe281ac1 Allocate cache->fields and cache->fields_file_map with malloc rather than Timo Sirainen <tss@iki.fi> parents: 2342 diff changeset	49 cache->fields = i_realloc(cache->fields,
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	50 cache->fields_count * sizeof(*cache->fields),
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	51 new_idx * sizeof(*cache->fields));
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	52 cache->field_file_map =
2362 f2acbe281ac1 Allocate cache->fields and cache->fields_file_map with malloc rather than Timo Sirainen <tss@iki.fi> parents: 2342 diff changeset	53 i_realloc(cache->field_file_map,
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	54 cache->fields_count * sizeof(*cache->field_file_map),
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	55 new_idx * sizeof(*cache->field_file_map));
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	56
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	57 for (i = 0; i < fields_count; i++) {
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	58 unsigned int idx = fields[i].idx;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	59
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	60 if (idx < cache->fields_count)
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	61 continue;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	62
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	63 /* new index - save it */
4020 fcfd44f56b04 While casting const pointers to something else, the const was often Timo Sirainen <tss@iki.fi> parents: 3999 diff changeset	64 name = p_strdup(cache->field_pool, fields[i].name);
2339 406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	65 cache->fields[idx].field = fields[i];
4020 fcfd44f56b04 While casting const pointers to something else, the const was often Timo Sirainen <tss@iki.fi> parents: 3999 diff changeset	66 cache->fields[idx].field.name = name;
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	67 cache->field_file_map[idx] = (uint32_t)-1;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	68
2339 406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	69 switch (cache->fields[idx].field.type) {
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	70 case MAIL_CACHE_FIELD_FIXED_SIZE:
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	71 case MAIL_CACHE_FIELD_BITMASK:
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	72 break;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	73 case MAIL_CACHE_FIELD_VARIABLE_SIZE:
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	74 case MAIL_CACHE_FIELD_STRING:
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	75 case MAIL_CACHE_FIELD_HEADER:
2339 406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	76 cache->fields[idx].field.field_size = (unsigned int)-1;
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	77 break;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	78 }
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	79
4020 fcfd44f56b04 While casting const pointers to something else, the const was often Timo Sirainen <tss@iki.fi> parents: 3999 diff changeset	80 hash_insert(cache->field_name_hash, name, POINTER_CAST(idx));
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	81 }
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	82 cache->fields_count = new_idx;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	83 }
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	84
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	85 unsigned int
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	86 mail_cache_register_lookup(struct mail_cache cache, const char name)
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	87 {
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	88 void orig_key, orig_value;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	89
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	90 if (hash_lookup_full(cache->field_name_hash, name,
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	91 &orig_key, &orig_value))
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	92 return POINTER_CAST_TO(orig_value, unsigned int);
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	93 else
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	94 return (unsigned int)-1;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	95 }
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	96
3461 b7ce2532250a Added mail_cache_register_get_list() to get a list of all registered fields Timo Sirainen <tss@iki.fi> parents: 3375 diff changeset	97 const struct mail_cache_field *
b7ce2532250a Added mail_cache_register_get_list() to get a list of all registered fields Timo Sirainen <tss@iki.fi> parents: 3375 diff changeset	98 mail_cache_register_get_list(struct mail_cache *cache, pool_t pool,
b7ce2532250a Added mail_cache_register_get_list() to get a list of all registered fields Timo Sirainen <tss@iki.fi> parents: 3375 diff changeset	99 unsigned int *count_r)
b7ce2532250a Added mail_cache_register_get_list() to get a list of all registered fields Timo Sirainen <tss@iki.fi> parents: 3375 diff changeset	100 {
b7ce2532250a Added mail_cache_register_get_list() to get a list of all registered fields Timo Sirainen <tss@iki.fi> parents: 3375 diff changeset	101 struct mail_cache_field *list;
b7ce2532250a Added mail_cache_register_get_list() to get a list of all registered fields Timo Sirainen <tss@iki.fi> parents: 3375 diff changeset	102 unsigned int i;
b7ce2532250a Added mail_cache_register_get_list() to get a list of all registered fields Timo Sirainen <tss@iki.fi> parents: 3375 diff changeset	103
b7ce2532250a Added mail_cache_register_get_list() to get a list of all registered fields Timo Sirainen <tss@iki.fi> parents: 3375 diff changeset	104 list = p_new(pool, struct mail_cache_field, cache->fields_count);
3494 7cab5dc6a0cd mail_cache_register_get_list(): Allocate the returned strings also from Timo Sirainen <tss@iki.fi> parents: 3461 diff changeset	105 for (i = 0; i < cache->fields_count; i++) {
3461 b7ce2532250a Added mail_cache_register_get_list() to get a list of all registered fields Timo Sirainen <tss@iki.fi> parents: 3375 diff changeset	106 list[i] = cache->fields[i].field;
3494 7cab5dc6a0cd mail_cache_register_get_list(): Allocate the returned strings also from Timo Sirainen <tss@iki.fi> parents: 3461 diff changeset	107 list[i].name = p_strdup(pool, list[i].name);
7cab5dc6a0cd mail_cache_register_get_list(): Allocate the returned strings also from Timo Sirainen <tss@iki.fi> parents: 3461 diff changeset	108 }
3461 b7ce2532250a Added mail_cache_register_get_list() to get a list of all registered fields Timo Sirainen <tss@iki.fi> parents: 3375 diff changeset	109
b7ce2532250a Added mail_cache_register_get_list() to get a list of all registered fields Timo Sirainen <tss@iki.fi> parents: 3375 diff changeset	110 *count_r = cache->fields_count;
b7ce2532250a Added mail_cache_register_get_list() to get a list of all registered fields Timo Sirainen <tss@iki.fi> parents: 3375 diff changeset	111 return list;
b7ce2532250a Added mail_cache_register_get_list() to get a list of all registered fields Timo Sirainen <tss@iki.fi> parents: 3375 diff changeset	112 }
b7ce2532250a Added mail_cache_register_get_list() to get a list of all registered fields Timo Sirainen <tss@iki.fi> parents: 3375 diff changeset	113
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	114 static int mail_cache_header_fields_get_offset(struct mail_cache *cache,
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	115 uint32_t *offset_r)
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	116 {
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	117 const struct mail_cache_header_fields *field_hdr;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	118 uint32_t offset, next_offset;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	119
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	120 if (MAIL_CACHE_IS_UNUSABLE(cache)) {
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	121 *offset_r = 0;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	122 return 0;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	123 }
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	124
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	125 /* find the latest header */
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	126 offset = 0;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	127 next_offset =
2407 fed6d07bd8ee Transaction log file is now read-lockless. Timo Sirainen <tss@iki.fi> parents: 2362 diff changeset	128 mail_index_offset_to_uint32(cache->hdr->field_header_offset);
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	129 while (next_offset != 0) {
2339 406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	130 if (next_offset == offset) {
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	131 mail_cache_set_corrupted(cache,
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	132 "next_offset in field header loops");
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	133 return -1;
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	134 }
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	135 offset = next_offset;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	136
2867 d416b6d0a7ee More correct file cache invalidating. Timo Sirainen <tss@iki.fi> parents: 2866 diff changeset	137 if (cache->file_cache != NULL) {
d416b6d0a7ee More correct file cache invalidating. Timo Sirainen <tss@iki.fi> parents: 2866 diff changeset	138 /* we can't trust that the cached data is valid */
d416b6d0a7ee More correct file cache invalidating. Timo Sirainen <tss@iki.fi> parents: 2866 diff changeset	139 file_cache_invalidate(cache->file_cache, offset,
d416b6d0a7ee More correct file cache invalidating. Timo Sirainen <tss@iki.fi> parents: 2866 diff changeset	140 sizeof(*field_hdr) +
d416b6d0a7ee More correct file cache invalidating. Timo Sirainen <tss@iki.fi> parents: 2866 diff changeset	141 CACHE_HDR_PREFETCH);
d416b6d0a7ee More correct file cache invalidating. Timo Sirainen <tss@iki.fi> parents: 2866 diff changeset	142 }
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	143 if (mail_cache_map(cache, offset,
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	144 sizeof(*field_hdr) + CACHE_HDR_PREFETCH) < 0)
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	145 return -1;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	146
2866 bf1e718e7370 Cache file works now with mmap_disable=yes. Still needs a few optimizations. Timo Sirainen <tss@iki.fi> parents: 2708 diff changeset	147 field_hdr = CONST_PTR_OFFSET(cache->data, offset);
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	148 next_offset =
2407 fed6d07bd8ee Transaction log file is now read-lockless. Timo Sirainen <tss@iki.fi> parents: 2362 diff changeset	149 mail_index_offset_to_uint32(field_hdr->next_offset);
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	150 }
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	151
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	152 *offset_r = offset;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	153 return 0;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	154 }
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	155
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	156 int mail_cache_header_fields_read(struct mail_cache *cache)
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	157 {
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	158 const struct mail_cache_header_fields *field_hdr = NULL;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	159 struct mail_cache_field field;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	160 const uint32_t last_used, sizes;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	161 const uint8_t types, decisions;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	162 const char p, names, *end;
2339 406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	163 void orig_key, orig_value;
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	164 uint32_t offset, i;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	165
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	166 if (mail_cache_header_fields_get_offset(cache, &offset) < 0)
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	167 return -1;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	168
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	169 if (offset == 0) {
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	170 /* no fields - the file is empty */
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	171 return 0;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	172 }
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	173
2866 bf1e718e7370 Cache file works now with mmap_disable=yes. Still needs a few optimizations. Timo Sirainen <tss@iki.fi> parents: 2708 diff changeset	174 field_hdr = CONST_PTR_OFFSET(cache->data, offset);
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	175 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	176 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	177 "field header points outside file");
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	178 return -1;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	179 }
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	180
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	181 /* check the fixed size of the header. name[] has to be checked
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	182 separately */
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	183 if (field_hdr->size < sizeof(*field_hdr) +
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	184 field_hdr->fields_count * (sizeof(uint32_t)*2 + 1 + 2)) {
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	185 mail_cache_set_corrupted(cache, "invalid field header size");
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	186 return -1;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	187 }
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	188
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	189 if (field_hdr->size > sizeof(*field_hdr) + CACHE_HDR_PREFETCH) {
2867 d416b6d0a7ee More correct file cache invalidating. Timo Sirainen <tss@iki.fi> parents: 2866 diff changeset	190 if (cache->file_cache != NULL) {
d416b6d0a7ee More correct file cache invalidating. Timo Sirainen <tss@iki.fi> parents: 2866 diff changeset	191 /* we can't trust that the cached data is valid */
d416b6d0a7ee More correct file cache invalidating. Timo Sirainen <tss@iki.fi> parents: 2866 diff changeset	192 file_cache_invalidate(cache->file_cache, offset,
d416b6d0a7ee More correct file cache invalidating. Timo Sirainen <tss@iki.fi> parents: 2866 diff changeset	193 sizeof(*field_hdr) +
d416b6d0a7ee More correct file cache invalidating. Timo Sirainen <tss@iki.fi> parents: 2866 diff changeset	194 CACHE_HDR_PREFETCH);
d416b6d0a7ee More correct file cache invalidating. Timo Sirainen <tss@iki.fi> parents: 2866 diff changeset	195 }
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	196 if (mail_cache_map(cache, offset, field_hdr->size) < 0)
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	197 return -1;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	198 }
2866 bf1e718e7370 Cache file works now with mmap_disable=yes. Still needs a few optimizations. Timo Sirainen <tss@iki.fi> parents: 2708 diff changeset	199 field_hdr = CONST_PTR_OFFSET(cache->data, offset);
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	200
4110 9662de8fc649 Don't crash with "can't allocate 0 bytes of memory" if there are zero Timo Sirainen <tss@iki.fi> parents: 4020 diff changeset	201 if (field_hdr->fields_count != 0) {
9662de8fc649 Don't crash with "can't allocate 0 bytes of memory" if there are zero Timo Sirainen <tss@iki.fi> parents: 4020 diff changeset	202 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> parents: 4020 diff changeset	203 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> parents: 4020 diff changeset	204 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> parents: 4020 diff changeset	205 sizeof(unsigned int),
9662de8fc649 Don't crash with "can't allocate 0 bytes of memory" if there are zero Timo Sirainen <tss@iki.fi> parents: 4020 diff changeset	206 field_hdr->fields_count *
9662de8fc649 Don't crash with "can't allocate 0 bytes of memory" if there are zero Timo Sirainen <tss@iki.fi> parents: 4020 diff changeset	207 sizeof(unsigned int));
9662de8fc649 Don't crash with "can't allocate 0 bytes of memory" if there are zero Timo Sirainen <tss@iki.fi> parents: 4020 diff changeset	208 } else {
9662de8fc649 Don't crash with "can't allocate 0 bytes of memory" if there are zero Timo Sirainen <tss@iki.fi> parents: 4020 diff changeset	209 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> parents: 4020 diff changeset	210 }
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	211 cache->file_fields_count = field_hdr->fields_count;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	212
2339 406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	213 last_used = CONST_PTR_OFFSET(field_hdr, MAIL_CACHE_FIELD_LAST_USED());
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	214 sizes = CONST_PTR_OFFSET(field_hdr,
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	215 MAIL_CACHE_FIELD_SIZE(field_hdr->fields_count));
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	216 types = CONST_PTR_OFFSET(field_hdr,
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	217 MAIL_CACHE_FIELD_TYPE(field_hdr->fields_count));
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	218 decisions = CONST_PTR_OFFSET(field_hdr,
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	219 MAIL_CACHE_FIELD_DECISION(field_hdr->fields_count));
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	220 names = CONST_PTR_OFFSET(field_hdr,
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	221 MAIL_CACHE_FIELD_NAMES(field_hdr->fields_count));
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	222 end = CONST_PTR_OFFSET(field_hdr, field_hdr->size);
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	223
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	224 /* clear the old mapping */
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	225 for (i = 0; i < cache->fields_count; i++)
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	226 cache->field_file_map[i] = (uint32_t)-1;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> 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 memset(&field, 0, sizeof(field));
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	229 for (i = 0; i < field_hdr->fields_count; i++) {
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	230 for (p = names; p != end && *p != '\0'; p++) ;
2339 406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	231 if (p == end \|\| *names == '\0') {
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	232 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	233 "field header names corrupted");
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	234 return -1;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	235 }
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	236
2339 406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	237 if (hash_lookup_full(cache->field_name_hash, names,
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	238 &orig_key, &orig_value)) {
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	239 /* already exists, see if decision can be updated */
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	240 field.idx = POINTER_CAST_TO(orig_value, unsigned int);
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	241 if (!cache->fields[field.idx].decision_dirty) {
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	242 cache->fields[field.idx].field.decision =
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	243 decisions[i];
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	244 }
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	245 if (cache->fields[field.idx].field.type != types[i]) {
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	246 mail_cache_set_corrupted(cache,
4345 f5d9c2b4d118 If cache field's size is wrong, rebuild the cache file instead of crashing Timo Sirainen <tss@iki.fi> parents: 4110 diff changeset	247 "registered field %s type changed",
f5d9c2b4d118 If cache field's size is wrong, rebuild the cache file instead of crashing Timo Sirainen <tss@iki.fi> parents: 4110 diff changeset	248 names);
f5d9c2b4d118 If cache field's size is wrong, rebuild the cache file instead of crashing Timo Sirainen <tss@iki.fi> parents: 4110 diff changeset	249 return -1;
f5d9c2b4d118 If cache field's size is wrong, rebuild the cache file instead of crashing Timo Sirainen <tss@iki.fi> parents: 4110 diff changeset	250 }
f5d9c2b4d118 If cache field's size is wrong, rebuild the cache file instead of crashing Timo Sirainen <tss@iki.fi> parents: 4110 diff changeset	251 if (cache->fields[field.idx].field.field_size !=
f5d9c2b4d118 If cache field's size is wrong, rebuild the cache file instead of crashing Timo Sirainen <tss@iki.fi> parents: 4110 diff changeset	252 sizes[i]) {
f5d9c2b4d118 If cache field's size is wrong, rebuild the cache file instead of crashing Timo Sirainen <tss@iki.fi> parents: 4110 diff changeset	253 mail_cache_set_corrupted(cache,
f5d9c2b4d118 If cache field's size is wrong, rebuild the cache file instead of crashing Timo Sirainen <tss@iki.fi> parents: 4110 diff changeset	254 "registered field %s size changed",
f5d9c2b4d118 If cache field's size is wrong, rebuild the cache file instead of crashing Timo Sirainen <tss@iki.fi> parents: 4110 diff changeset	255 names);
2339 406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	256 return -1;
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	257 }
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	258 } else {
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	259 field.name = names;
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	260 field.type = types[i];
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	261 field.field_size = sizes[i];
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	262 field.decision = decisions[i];
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	263 mail_cache_register_fields(cache, &field, 1);
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	264 }
2968 2ab037df6cf3 Check for duplicate fields in header. Timo Sirainen <tss@iki.fi> parents: 2929 diff changeset	265 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	266 mail_cache_set_corrupted(cache,
2ab037df6cf3 Check for duplicate fields in header. Timo Sirainen <tss@iki.fi> parents: 2929 diff changeset	267 "Duplicated field in header: %s", names);
2ab037df6cf3 Check for duplicate fields in header. Timo Sirainen <tss@iki.fi> parents: 2929 diff changeset	268 return -1;
2ab037df6cf3 Check for duplicate fields in header. Timo Sirainen <tss@iki.fi> parents: 2929 diff changeset	269 }
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	270 cache->field_file_map[field.idx] = i;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	271 cache->file_field_map[i] = field.idx;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	272
2339 406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	273 /* update last_used if it's newer than ours */
2342 fa529dd77176 Fixes for big endian systems. Timo Sirainen <tss@iki.fi> parents: 2339 diff changeset	274 if (last_used[i] > cache->fields[field.idx].last_used)
fa529dd77176 Fixes for big endian systems. Timo Sirainen <tss@iki.fi> parents: 2339 diff changeset	275 cache->fields[field.idx].last_used = last_used[i];
2339 406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	276
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	277 names = p + 1;
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	278 }
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	279 return 0;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	280 }
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	281
2339 406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	282 static void copy_to_buf(struct mail_cache cache, buffer_t dest,
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	283 size_t offset, size_t size)
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	284 {
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	285 const void *data;
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	286 unsigned int i, field;
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	287
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	288 for (i = 0; i < cache->file_fields_count; i++) {
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	289 field = cache->file_field_map[i];
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	290 data = CONST_PTR_OFFSET(&cache->fields[field], offset);
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	291 buffer_append(dest, data, size);
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	292 }
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	293 for (i = 0; i < cache->fields_count; i++) {
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	294 if (cache->field_file_map[i] != (uint32_t)-1)
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	295 continue;
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	296 data = CONST_PTR_OFFSET(&cache->fields[i], offset);
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	297 buffer_append(dest, data, size);
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	298 }
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	299 }
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	300
2342 fa529dd77176 Fixes for big endian systems. Timo Sirainen <tss@iki.fi> parents: 2339 diff changeset	301 static void copy_to_buf_byte(struct mail_cache cache, buffer_t dest,
fa529dd77176 Fixes for big endian systems. Timo Sirainen <tss@iki.fi> parents: 2339 diff changeset	302 size_t offset)
fa529dd77176 Fixes for big endian systems. Timo Sirainen <tss@iki.fi> parents: 2339 diff changeset	303 {
fa529dd77176 Fixes for big endian systems. Timo Sirainen <tss@iki.fi> parents: 2339 diff changeset	304 const int *data;
fa529dd77176 Fixes for big endian systems. Timo Sirainen <tss@iki.fi> parents: 2339 diff changeset	305 unsigned int i, field;
fa529dd77176 Fixes for big endian systems. Timo Sirainen <tss@iki.fi> parents: 2339 diff changeset	306 uint8_t byte;
fa529dd77176 Fixes for big endian systems. Timo Sirainen <tss@iki.fi> parents: 2339 diff changeset	307
fa529dd77176 Fixes for big endian systems. Timo Sirainen <tss@iki.fi> parents: 2339 diff changeset	308 for (i = 0; i < cache->file_fields_count; i++) {
fa529dd77176 Fixes for big endian systems. Timo Sirainen <tss@iki.fi> parents: 2339 diff changeset	309 field = cache->file_field_map[i];
fa529dd77176 Fixes for big endian systems. Timo Sirainen <tss@iki.fi> parents: 2339 diff changeset	310 data = CONST_PTR_OFFSET(&cache->fields[field], offset);
fa529dd77176 Fixes for big endian systems. Timo Sirainen <tss@iki.fi> parents: 2339 diff changeset	311 byte = (uint8_t)*data;
fa529dd77176 Fixes for big endian systems. Timo Sirainen <tss@iki.fi> parents: 2339 diff changeset	312 buffer_append(dest, &byte, 1);
fa529dd77176 Fixes for big endian systems. Timo Sirainen <tss@iki.fi> parents: 2339 diff changeset	313 }
fa529dd77176 Fixes for big endian systems. Timo Sirainen <tss@iki.fi> parents: 2339 diff changeset	314 for (i = 0; i < cache->fields_count; i++) {
fa529dd77176 Fixes for big endian systems. Timo Sirainen <tss@iki.fi> parents: 2339 diff changeset	315 if (cache->field_file_map[i] != (uint32_t)-1)
fa529dd77176 Fixes for big endian systems. Timo Sirainen <tss@iki.fi> parents: 2339 diff changeset	316 continue;
fa529dd77176 Fixes for big endian systems. Timo Sirainen <tss@iki.fi> parents: 2339 diff changeset	317 data = CONST_PTR_OFFSET(&cache->fields[i], offset);
fa529dd77176 Fixes for big endian systems. Timo Sirainen <tss@iki.fi> parents: 2339 diff changeset	318 byte = (uint8_t)*data;
fa529dd77176 Fixes for big endian systems. Timo Sirainen <tss@iki.fi> parents: 2339 diff changeset	319 buffer_append(dest, &byte, 1);
fa529dd77176 Fixes for big endian systems. Timo Sirainen <tss@iki.fi> parents: 2339 diff changeset	320 }
fa529dd77176 Fixes for big endian systems. Timo Sirainen <tss@iki.fi> parents: 2339 diff changeset	321 }
fa529dd77176 Fixes for big endian systems. Timo Sirainen <tss@iki.fi> parents: 2339 diff changeset	322
2929 ba9062032877 Locking fixes and cleanups Timo Sirainen <tss@iki.fi> parents: 2867 diff changeset	323 static int mail_cache_header_fields_update_locked(struct mail_cache *cache)
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	324 {
2339 406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	325 buffer_t *buffer;
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	326 uint32_t i, offset;
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	327 int ret = 0;
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	328
2339 406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	329 if (mail_cache_header_fields_read(cache) < 0 \|\|
2929 ba9062032877 Locking fixes and cleanups Timo Sirainen <tss@iki.fi> parents: 2867 diff changeset	330 mail_cache_header_fields_get_offset(cache, &offset) < 0)
2339 406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	331 return -1;
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	332
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	333 t_push();
2708 f1e9f3ec8135 Buffer API change: we no longer support limited sized buffers where Timo Sirainen <tss@iki.fi> parents: 2604 diff changeset	334 buffer = buffer_create_dynamic(pool_datastack_create(), 256);
2339 406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	335
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	336 copy_to_buf(cache, buffer,
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	337 offsetof(struct mail_cache_field_private, last_used),
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	338 sizeof(uint32_t));
3375 9e2abc4c341c Whenever writing to cache file, also updated file_cache. Fixes problems with Timo Sirainen <tss@iki.fi> parents: 3278 diff changeset	339 ret = mail_cache_write(cache, buffer->data,
9e2abc4c341c Whenever writing to cache file, also updated file_cache. Fixes problems with Timo Sirainen <tss@iki.fi> parents: 3278 diff changeset	340 sizeof(uint32_t) * cache->file_fields_count,
9e2abc4c341c Whenever writing to cache file, also updated file_cache. Fixes problems with Timo Sirainen <tss@iki.fi> parents: 3278 diff changeset	341 offset + MAIL_CACHE_FIELD_LAST_USED());
2339 406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	342 if (ret == 0) {
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	343 buffer_set_used_size(buffer, 0);
2342 fa529dd77176 Fixes for big endian systems. Timo Sirainen <tss@iki.fi> parents: 2339 diff changeset	344 copy_to_buf_byte(cache, buffer,
fa529dd77176 Fixes for big endian systems. Timo Sirainen <tss@iki.fi> parents: 2339 diff changeset	345 offsetof(struct mail_cache_field, decision));
2339 406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	346
3375 9e2abc4c341c Whenever writing to cache file, also updated file_cache. Fixes problems with Timo Sirainen <tss@iki.fi> parents: 3278 diff changeset	347 ret = mail_cache_write(cache, buffer->data,
2339 406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	348 sizeof(uint8_t) * cache->file_fields_count, offset +
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	349 MAIL_CACHE_FIELD_DECISION(cache->file_fields_count));
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	350
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	351 if (ret == 0) {
2592 5edda9783458 minor fix Timo Sirainen <tss@iki.fi> parents: 2407 diff changeset	352 for (i = 0; i < cache->file_fields_count; i++)
2339 406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	353 cache->fields[i].decision_dirty = FALSE;
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	354 }
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	355 }
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	356 t_pop();
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	357
2867 d416b6d0a7ee More correct file cache invalidating. Timo Sirainen <tss@iki.fi> parents: 2866 diff changeset	358 if (ret == 0)
2339 406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	359 cache->field_header_write_pending = FALSE;
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	360
2929 ba9062032877 Locking fixes and cleanups Timo Sirainen <tss@iki.fi> parents: 2867 diff changeset	361 return ret;
ba9062032877 Locking fixes and cleanups Timo Sirainen <tss@iki.fi> parents: 2867 diff changeset	362 }
ba9062032877 Locking fixes and cleanups Timo Sirainen <tss@iki.fi> parents: 2867 diff changeset	363
ba9062032877 Locking fixes and cleanups Timo Sirainen <tss@iki.fi> parents: 2867 diff changeset	364 int mail_cache_header_fields_update(struct mail_cache *cache)
ba9062032877 Locking fixes and cleanups Timo Sirainen <tss@iki.fi> parents: 2867 diff changeset	365 {
ba9062032877 Locking fixes and cleanups Timo Sirainen <tss@iki.fi> parents: 2867 diff changeset	366 int ret;
ba9062032877 Locking fixes and cleanups Timo Sirainen <tss@iki.fi> parents: 2867 diff changeset	367
ba9062032877 Locking fixes and cleanups Timo Sirainen <tss@iki.fi> parents: 2867 diff changeset	368 if (cache->locked)
ba9062032877 Locking fixes and cleanups Timo Sirainen <tss@iki.fi> parents: 2867 diff changeset	369 return mail_cache_header_fields_update_locked(cache);
ba9062032877 Locking fixes and cleanups Timo Sirainen <tss@iki.fi> parents: 2867 diff changeset	370
ba9062032877 Locking fixes and cleanups Timo Sirainen <tss@iki.fi> parents: 2867 diff changeset	371 if (mail_cache_lock(cache) <= 0)
ba9062032877 Locking fixes and cleanups Timo Sirainen <tss@iki.fi> parents: 2867 diff changeset	372 return -1;
ba9062032877 Locking fixes and cleanups Timo Sirainen <tss@iki.fi> parents: 2867 diff changeset	373
ba9062032877 Locking fixes and cleanups Timo Sirainen <tss@iki.fi> parents: 2867 diff changeset	374 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> parents: 3617 diff changeset	375 if (mail_cache_unlock(cache) < 0)
c0e35566dd14 Unlocking cache file can also corrupt it since it modifies it. Added a Timo Sirainen <tss@iki.fi> parents: 3617 diff changeset	376 ret = -1;
2339 406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	377 return ret;
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	378 }
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	379
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	380 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 Timo Sirainen <tss@iki.fi> parents: diff changeset	381 {
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	382 struct mail_cache_header_fields hdr;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	383 unsigned int field;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	384 const char *name;
2339 406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	385 uint32_t i;
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	386
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	387 memset(&hdr, 0, sizeof(hdr));
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	388 hdr.fields_count = cache->fields_count;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	389 buffer_append(dest, &hdr, sizeof(hdr));
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	390
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	391 /* we have to keep the field order for the existing fields. */
2339 406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	392 copy_to_buf(cache, dest,
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	393 offsetof(struct mail_cache_field_private, last_used),
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	394 sizeof(uint32_t));
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	395 copy_to_buf(cache, dest, offsetof(struct mail_cache_field, field_size),
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	396 sizeof(uint32_t));
2342 fa529dd77176 Fixes for big endian systems. Timo Sirainen <tss@iki.fi> parents: 2339 diff changeset	397 copy_to_buf_byte(cache, dest, offsetof(struct mail_cache_field, type));
fa529dd77176 Fixes for big endian systems. Timo Sirainen <tss@iki.fi> parents: 2339 diff changeset	398 copy_to_buf_byte(cache, dest,
fa529dd77176 Fixes for big endian systems. Timo Sirainen <tss@iki.fi> parents: 2339 diff changeset	399 offsetof(struct mail_cache_field, decision));
2339 406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	400
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	401 i_assert(buffer_get_used_size(dest) == sizeof(hdr) +
406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	402 (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	403
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	404 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	405 field = cache->file_field_map[i];
2339 406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	406 name = cache->fields[field].field.name;
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	407 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	408 }
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	409 for (i = 0; i < cache->fields_count; i++) {
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	410 if (cache->field_file_map[i] != (uint32_t)-1)
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	411 continue;
2339 406692edc12d Cache fixes. Decisions are saved again. Timo Sirainen <tss@iki.fi> parents: 2327 diff changeset	412 name = cache->fields[i].field.name;
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	413 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	414 }
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	415
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	416 hdr.size = buffer_get_used_size(dest);
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	417 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	418
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	419 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: 3494 diff changeset	420 buffer_append_zero(dest, 4 - (hdr.size & 3));
2327 7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	421 }
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	422
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	423 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: diff changeset	424 uint32_t *offset_r)
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	425 {
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	426 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> parents: diff changeset	427 return -1;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	428
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	429 if (*offset_r == 0) {
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	430 *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: diff changeset	431 field_header_offset);
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	432 } else {
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	433 *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: diff changeset	434 next_offset);
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	435 }
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	436 return 0;
7d02e2a7672d Header caching redesigned. New design allows caching decisions per field, so Timo Sirainen <tss@iki.fi> parents: diff changeset	437 }

Mercurial > dovecot > original-hg > dovecot-1.2

annotate src/lib-index/mail-cache-fields.c @ 4345:f5d9c2b4d118 HEAD