dovecot/core-2.2: src/lib-index/mail-index.c annotate

annotate src/lib-index/mail-index.c @ 2115:f720b3f15333 HEAD

Modifying extra_records should work now.

author	Timo Sirainen <tss@iki.fi>
date	Mon, 14 Jun 2004 05:07:33 +0300
parents	4aedcb4c51cb
children	fbb4da13ee3b

rev	line source
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	1 /* Copyright (C) 2003-2004 Timo Sirainen */
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	2
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	3 #include "lib.h"
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	4 #include "buffer.h"
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	5 #include "file-lock.h"
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	6 #include "mmap-util.h"
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	7 #include "read-full.h"
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	8 #include "write-full.h"
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	9 #include "mail-index-private.h"
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	10 #include "mail-transaction-log.h"
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	11
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	12 #include <stdio.h>
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	13 #include <stddef.h>
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	14 #include <time.h>
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	15 #include <sys/stat.h>
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	16
2063 21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	17 static int mail_index_try_open_only(struct mail_index *index);
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	18
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	19 struct mail_index mail_index_alloc(const char dir, const char *prefix)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	20 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	21 struct mail_index *index;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	22
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	23 index = i_new(struct mail_index, 1);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	24 index->dir = i_strdup(dir);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	25 index->prefix = i_strdup(prefix);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	26 index->fd = -1;
2114 4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	27 index->record_size = sizeof(struct mail_index_record);
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	28
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	29 index->mode = 0600;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	30 index->gid = (gid_t)-1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	31 return index;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	32 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	33
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	34 void mail_index_free(struct mail_index *index)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	35 {
1967 b6d900688c55 memory leak fixes Timo Sirainen <tss@iki.fi> parents: 1965 diff changeset	36 mail_index_close(index);
b6d900688c55 memory leak fixes Timo Sirainen <tss@iki.fi> parents: 1965 diff changeset	37
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	38 i_free(index->error);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	39 i_free(index->dir);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	40 i_free(index->prefix);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	41 i_free(index);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	42 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	43
2115 f720b3f15333 Modifying extra_records should work now. Timo Sirainen <tss@iki.fi> parents: 2114 diff changeset	44 uint32_t mail_index_register_record_extra(struct mail_index *index,
f720b3f15333 Modifying extra_records should work now. Timo Sirainen <tss@iki.fi> parents: 2114 diff changeset	45 uint16_t size, uint32_t *offset_r)
2114 4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	46 {
2115 f720b3f15333 Modifying extra_records should work now. Timo Sirainen <tss@iki.fi> parents: 2114 diff changeset	47 uint16_t offset;
f720b3f15333 Modifying extra_records should work now. Timo Sirainen <tss@iki.fi> parents: 2114 diff changeset	48
2114 4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	49 i_assert(!index->opened);
4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	50 i_assert(index->record_size + size <= 65535);
2115 f720b3f15333 Modifying extra_records should work now. Timo Sirainen <tss@iki.fi> parents: 2114 diff changeset	51 i_assert(size % 4 == 0);
2114 4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	52
2115 f720b3f15333 Modifying extra_records should work now. Timo Sirainen <tss@iki.fi> parents: 2114 diff changeset	53 if (index->extra_records_count >= MAIL_INDEX_MAX_EXTRA_RECORDS) {
f720b3f15333 Modifying extra_records should work now. Timo Sirainen <tss@iki.fi> parents: 2114 diff changeset	54 i_panic("Maximum extra record count reached, "
f720b3f15333 Modifying extra_records should work now. Timo Sirainen <tss@iki.fi> parents: 2114 diff changeset	55 "you'll need to recompile with larger limit. "
f720b3f15333 Modifying extra_records should work now. Timo Sirainen <tss@iki.fi> parents: 2114 diff changeset	56 "MAIL_INDEX_MAX_EXTRA_RECORDS = %d",
f720b3f15333 Modifying extra_records should work now. Timo Sirainen <tss@iki.fi> parents: 2114 diff changeset	57 MAIL_INDEX_MAX_EXTRA_RECORDS);
f720b3f15333 Modifying extra_records should work now. Timo Sirainen <tss@iki.fi> parents: 2114 diff changeset	58 }
f720b3f15333 Modifying extra_records should work now. Timo Sirainen <tss@iki.fi> parents: 2114 diff changeset	59
f720b3f15333 Modifying extra_records should work now. Timo Sirainen <tss@iki.fi> parents: 2114 diff changeset	60 offset = index->record_size;
2114 4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	61 index->record_size += size;
2115 f720b3f15333 Modifying extra_records should work now. Timo Sirainen <tss@iki.fi> parents: 2114 diff changeset	62 *offset_r = offset;
f720b3f15333 Modifying extra_records should work now. Timo Sirainen <tss@iki.fi> parents: 2114 diff changeset	63
f720b3f15333 Modifying extra_records should work now. Timo Sirainen <tss@iki.fi> parents: 2114 diff changeset	64 index->extra_record_offsets[index->extra_records_count] = offset;
f720b3f15333 Modifying extra_records should work now. Timo Sirainen <tss@iki.fi> parents: 2114 diff changeset	65 index->extra_record_sizes[index->extra_records_count] = size;
f720b3f15333 Modifying extra_records should work now. Timo Sirainen <tss@iki.fi> parents: 2114 diff changeset	66 return index->extra_records_count++;
2114 4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	67 }
4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	68
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	69 static int mail_index_check_header(struct mail_index *index,
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	70 struct mail_index_map *map)
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	71 {
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	72 const struct mail_index_header *hdr = map->hdr;
2114 4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	73 unsigned char compat_data[sizeof(hdr->compat_data)];
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	74
2114 4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	75 memset(compat_data, 0, sizeof(compat_data));
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	76 #ifndef WORDS_BIGENDIAN
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	77 compat_data[0] = MAIL_INDEX_COMPAT_LITTLE_ENDIAN;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	78 #endif
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	79 compat_data[1] = sizeof(uoff_t);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	80 compat_data[2] = sizeof(time_t);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	81
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	82 if (hdr->major_version != MAIL_INDEX_MAJOR_VERSION) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	83 /* major version change - handle silently(?) */
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	84 return -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	85 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	86 if (memcmp(hdr->compat_data, compat_data, sizeof(compat_data)) != 0) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	87 /* architecture change - handle silently(?) */
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	88 return -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	89 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	90
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	91 if ((map->hdr->flags & MAIL_INDEX_HDR_FLAG_CORRUPTED) != 0) {
2095 92d8b70829c8 fixes Timo Sirainen <tss@iki.fi> parents: 2073 diff changeset	92 /* we've already complained about it */
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	93 return -1;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	94 }
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	95
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	96 /* following some extra checks that only take a bit of CPU */
2051 596267d8e2e2 Some more UIDVALIDITY issues fixed. Timo Sirainen <tss@iki.fi> parents: 2050 diff changeset	97 if (hdr->uid_validity == 0 && hdr->next_uid != 1) {
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	98 mail_index_set_error(index, "Corrupted index file %s: "
2051 596267d8e2e2 Some more UIDVALIDITY issues fixed. Timo Sirainen <tss@iki.fi> parents: 2050 diff changeset	99 "uid_validity = 0, next_uid = %u",
596267d8e2e2 Some more UIDVALIDITY issues fixed. Timo Sirainen <tss@iki.fi> parents: 2050 diff changeset	100 index->filepath, hdr->next_uid);
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	101 return -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	102 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	103
2114 4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	104 if (hdr->keywords_mask_size != sizeof(keywords_mask_t)) {
4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	105 mail_index_set_error(index, "Corrupted index file %s: "
4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	106 "keywords_mask_size mismatch: %d != %d",
4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	107 index->filepath, hdr->keywords_mask_size,
4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	108 (int)sizeof(keywords_mask_t));
4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	109 return -1;
4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	110 }
4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	111
4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	112 if (hdr->record_size != index->record_size) {
4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	113 mail_index_set_error(index, "Corrupted index file %s: "
4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	114 "record_size mismatch: %d != %d",
4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	115 index->filepath, hdr->record_size,
4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	116 (int)index->record_size);
4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	117 return -1;
4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	118 }
4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	119
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	120 if (hdr->next_uid == 0)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	121 return 0;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	122
2038 df504dad3aec Recent flag fixes. Should work perfectly now with maildir. Timo Sirainen <tss@iki.fi> parents: 2021 diff changeset	123 if (hdr->recent_messages_count > hdr->messages_count \|\|
df504dad3aec Recent flag fixes. Should work perfectly now with maildir. Timo Sirainen <tss@iki.fi> parents: 2021 diff changeset	124 hdr->seen_messages_count > hdr->messages_count \|\|
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	125 hdr->deleted_messages_count > hdr->messages_count)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	126 return 0;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	127 if (hdr->first_recent_uid_lowwater > hdr->next_uid \|\|
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	128 hdr->first_unseen_uid_lowwater > hdr->next_uid \|\|
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	129 hdr->first_deleted_uid_lowwater > hdr->next_uid)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	130 return 0;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	131
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	132 return 1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	133 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	134
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	135 static void mail_index_map_clear(struct mail_index *index,
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	136 struct mail_index_map *map)
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	137 {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	138 if (map->buffer != NULL) {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	139 i_assert(map->mmap_base == NULL);
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	140 buffer_free(map->buffer);
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	141 map->buffer = NULL;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	142 } else if (map->mmap_base != NULL) {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	143 i_assert(map->buffer == NULL);
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	144 if (munmap(map->mmap_base, map->mmap_size) < 0)
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	145 mail_index_set_syscall_error(index, "munmap()");
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	146 map->mmap_base = NULL;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	147 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	148
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	149 if (map->refcount > 0) {
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	150 map->mmap_size = 0;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	151 map->mmap_used_size = 0;
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	152 map->hdr = NULL;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	153 map->records = NULL;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	154 map->records_count = 0;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	155 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	156 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	157
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	158 void mail_index_unmap(struct mail_index index, struct mail_index_map map)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	159 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	160 if (--map->refcount > 0)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	161 return;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	162
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	163 i_assert(map->refcount == 0);
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	164 mail_index_map_clear(index, map);
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	165 i_free(map);
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	166 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	167
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	168 static void mail_index_unmap_forced(struct mail_index *index,
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	169 struct mail_index_map *map)
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	170 {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	171 mail_index_map_clear(index, map);
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	172 mail_index_unmap(index, map);
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	173 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	174
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	175 static int mail_index_mmap(struct mail_index index, struct mail_index_map map)
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	176 {
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	177 const struct mail_index_header *hdr;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	178 unsigned int records_count;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	179
2043 4548def7ac02 Don't try to re-map dirty memory mapping. Timo Sirainen <tss@iki.fi> parents: 2038 diff changeset	180 i_assert(map->buffer == NULL);
4548def7ac02 Don't try to re-map dirty memory mapping. Timo Sirainen <tss@iki.fi> parents: 2038 diff changeset	181
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	182 map->mmap_base = index->lock_type != F_WRLCK ?
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	183 mmap_ro_file(index->fd, &map->mmap_size) :
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	184 mmap_rw_file(index->fd, &map->mmap_size);
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	185 if (map->mmap_base == MAP_FAILED) {
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	186 map->mmap_base = NULL;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	187 mail_index_set_syscall_error(index, "mmap()");
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	188 return -1;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	189 }
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	190
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	191 if (map->mmap_size < MAIL_INDEX_HEADER_MIN_SIZE) {
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	192 mail_index_set_error(index, "Corrupted index file %s: "
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	193 "File too small (%"PRIuSIZE_T")",
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	194 index->filepath, map->mmap_size);
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	195 return 0;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	196 }
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	197
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	198 hdr = map->mmap_base;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	199 map->mmap_used_size = hdr->header_size +
2114 4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	200 hdr->messages_count * index->record_size;
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	201
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	202 if (map->mmap_used_size > map->mmap_size) {
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	203 records_count = (map->mmap_size - hdr->header_size) /
2114 4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	204 index->record_size;
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	205 mail_index_set_error(index, "Corrupted index file %s: "
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	206 "messages_count too large (%u > %u)",
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	207 index->filepath, map->hdr->messages_count,
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	208 records_count);
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	209 return 0;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	210 }
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	211
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	212 map->hdr = hdr;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	213 if (map->hdr->header_size < sizeof(*map->hdr)) {
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	214 /* header smaller than ours, make a copy so our newer headers
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	215 won't have garbage in them */
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	216 memcpy(&map->hdr_copy, map->hdr, map->hdr->header_size);
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	217 map->hdr = &map->hdr_copy;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	218 }
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	219
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	220 map->records = PTR_OFFSET(map->mmap_base, map->hdr->header_size);
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	221 map->records_count = map->hdr->messages_count;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	222 return 1;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	223 }
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	224
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	225 static int mail_index_read_map(struct mail_index *index,
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	226 struct mail_index_map *map)
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	227 {
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	228 struct mail_index_header hdr;
1939 4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	229 void *data = NULL;
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	230 ssize_t ret;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	231 size_t pos, records_size;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	232
2043 4548def7ac02 Don't try to re-map dirty memory mapping. Timo Sirainen <tss@iki.fi> parents: 2038 diff changeset	233 i_assert(map->mmap_base == NULL);
4548def7ac02 Don't try to re-map dirty memory mapping. Timo Sirainen <tss@iki.fi> parents: 2038 diff changeset	234
1939 4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	235 memset(&hdr, 0, sizeof(hdr));
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	236
1939 4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	237 ret = 1;
4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	238 for (pos = 0; ret > 0 && pos < sizeof(hdr); ) {
4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	239 ret = pread(index->fd, PTR_OFFSET(&hdr, pos),
4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	240 sizeof(hdr) - pos, pos);
4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	241 if (ret > 0)
4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	242 pos += ret;
4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	243 }
4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	244 if (ret >= 0 && pos >= MAIL_INDEX_HEADER_MIN_SIZE) {
2114 4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	245 records_size = hdr.messages_count * index->record_size;
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	246
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	247 if (map->buffer == NULL) {
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	248 map->buffer = buffer_create_dynamic(default_pool,
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	249 records_size,
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	250 (size_t)-1);
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	251 }
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	252
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	253 /* @UNSAFE */
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	254 buffer_set_used_size(map->buffer, 0);
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	255 data = buffer_append_space_unsafe(map->buffer, records_size);
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	256
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	257 ret = pread_full(index->fd, data, records_size,
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	258 hdr.header_size);
1939 4698c121bae3 changes Timo Sirainen <tss@iki.fi> parents: 1935 diff changeset	259 }
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	260
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	261 if (ret < 0) {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	262 if (errno == ESTALE)
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	263 return 0;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	264 mail_index_set_syscall_error(index, "pread_full()");
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	265 return -1;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	266 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	267 if (ret == 0) {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	268 mail_index_set_error(index,
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	269 "Unexpected EOF while reading index file");
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	270 return -1;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	271 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	272
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	273 map->records = data;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	274 map->records_count = hdr.messages_count;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	275
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	276 map->hdr_copy = hdr;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	277 map->hdr = &map->hdr_copy;
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	278 return 1;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	279 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	280
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	281 static int mail_index_read_map_with_retry(struct mail_index *index,
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	282 struct mail_index_map *map)
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	283 {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	284 int i, ret;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	285
1965 41f6a04154a3 INDEX_KEYWORDS_BYTE_COUNT was counted wrong so index files were larger than Timo Sirainen <tss@iki.fi> parents: 1946 diff changeset	286 for (i = 0; i < MAIL_INDEX_ESTALE_RETRY_COUNT; i++) {
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	287 ret = mail_index_read_map(index, map);
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	288 if (ret != 0)
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	289 return ret;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	290
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	291 /* ESTALE - reopen index file */
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	292 if (close(index->fd) < 0)
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	293 mail_index_set_syscall_error(index, "close()");
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	294 index->fd = -1;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	295
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	296 ret = mail_index_try_open_only(index);
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	297 if (ret <= 0) {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	298 if (ret == 0) {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	299 /* the file was lost */
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	300 errno = ENOENT;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	301 mail_index_set_syscall_error(index, "open()");
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	302 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	303 return -1;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	304 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	305 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	306
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	307 /* Too many ESTALE retries */
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	308 mail_index_set_syscall_error(index, "read_map()");
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	309 return -1;
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	310 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	311
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	312 int mail_index_map(struct mail_index *index, int force)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	313 {
1946 dbec6c9dbffa syncing fix Timo Sirainen <tss@iki.fi> parents: 1945 diff changeset	314 const struct mail_index_header *hdr;
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	315 struct mail_index_map *map;
1946 dbec6c9dbffa syncing fix Timo Sirainen <tss@iki.fi> parents: 1945 diff changeset	316 size_t used_size;
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	317 int ret;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	318
1946 dbec6c9dbffa syncing fix Timo Sirainen <tss@iki.fi> parents: 1945 diff changeset	319 map = index->map;
2050 ee1095ccfd23 Index header changes now go through transaction log. Removed the kludgy Timo Sirainen <tss@iki.fi> parents: 2043 diff changeset	320 if (map == NULL) {
ee1095ccfd23 Index header changes now go through transaction log. Removed the kludgy Timo Sirainen <tss@iki.fi> parents: 2043 diff changeset	321 map = i_new(struct mail_index_map, 1);
ee1095ccfd23 Index header changes now go through transaction log. Removed the kludgy Timo Sirainen <tss@iki.fi> parents: 2043 diff changeset	322 map->refcount = 1;
ee1095ccfd23 Index header changes now go through transaction log. Removed the kludgy Timo Sirainen <tss@iki.fi> parents: 2043 diff changeset	323 } else if (MAIL_INDEX_MAP_IS_IN_MEMORY(map)) {
2043 4548def7ac02 Don't try to re-map dirty memory mapping. Timo Sirainen <tss@iki.fi> parents: 2038 diff changeset	324 if (map->write_to_disk) {
4548def7ac02 Don't try to re-map dirty memory mapping. Timo Sirainen <tss@iki.fi> parents: 2038 diff changeset	325 /* we have modified this mapping and it's waiting to
4548def7ac02 Don't try to re-map dirty memory mapping. Timo Sirainen <tss@iki.fi> parents: 2038 diff changeset	326 be written to disk once we drop exclusive lock.
4548def7ac02 Don't try to re-map dirty memory mapping. Timo Sirainen <tss@iki.fi> parents: 2038 diff changeset	327 mapping couldn't have changed, so do nothing. */
4548def7ac02 Don't try to re-map dirty memory mapping. Timo Sirainen <tss@iki.fi> parents: 2038 diff changeset	328 return 1;
4548def7ac02 Don't try to re-map dirty memory mapping. Timo Sirainen <tss@iki.fi> parents: 2038 diff changeset	329 }
1946 dbec6c9dbffa syncing fix Timo Sirainen <tss@iki.fi> parents: 1945 diff changeset	330 /* FIXME: we need to re-read header */
2050 ee1095ccfd23 Index header changes now go through transaction log. Removed the kludgy Timo Sirainen <tss@iki.fi> parents: 2043 diff changeset	331 } else if (map->mmap_base != NULL) {
1946 dbec6c9dbffa syncing fix Timo Sirainen <tss@iki.fi> parents: 1945 diff changeset	332 /* see if re-mmaping is needed (file has grown) */
dbec6c9dbffa syncing fix Timo Sirainen <tss@iki.fi> parents: 1945 diff changeset	333 hdr = map->mmap_base;
2095 92d8b70829c8 fixes Timo Sirainen <tss@iki.fi> parents: 2073 diff changeset	334
92d8b70829c8 fixes Timo Sirainen <tss@iki.fi> parents: 2073 diff changeset	335 /* always check corrupted-flag to avoid errors later */
92d8b70829c8 fixes Timo Sirainen <tss@iki.fi> parents: 2073 diff changeset	336 if ((map->hdr->flags & MAIL_INDEX_HDR_FLAG_CORRUPTED) != 0)
92d8b70829c8 fixes Timo Sirainen <tss@iki.fi> parents: 2073 diff changeset	337 return -1;
92d8b70829c8 fixes Timo Sirainen <tss@iki.fi> parents: 2073 diff changeset	338
92d8b70829c8 fixes Timo Sirainen <tss@iki.fi> parents: 2073 diff changeset	339 used_size = hdr->header_size +
2114 4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	340 hdr->messages_count * index->record_size;
1984 9c159272f721 syncing fixes Timo Sirainen <tss@iki.fi> parents: 1967 diff changeset	341 if (map->mmap_size >= used_size && !force) {
9c159272f721 syncing fixes Timo Sirainen <tss@iki.fi> parents: 1967 diff changeset	342 map->records_count = hdr->messages_count;
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	343 return 1;
1984 9c159272f721 syncing fixes Timo Sirainen <tss@iki.fi> parents: 1967 diff changeset	344 }
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	345
1946 dbec6c9dbffa syncing fix Timo Sirainen <tss@iki.fi> parents: 1945 diff changeset	346 if (munmap(map->mmap_base, map->mmap_size) < 0)
dbec6c9dbffa syncing fix Timo Sirainen <tss@iki.fi> parents: 1945 diff changeset	347 mail_index_set_syscall_error(index, "munmap()");
dbec6c9dbffa syncing fix Timo Sirainen <tss@iki.fi> parents: 1945 diff changeset	348 map->mmap_base = NULL;
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	349 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	350
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	351 index->hdr = NULL;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	352 index->map = NULL;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	353
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	354 if (!index->mmap_disable) {
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	355 if ((ret = mail_index_mmap(index, map)) <= 0) {
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	356 mail_index_unmap_forced(index, map);
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	357 return ret;
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	358 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	359 } else {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	360 if (mail_index_read_map_with_retry(index, map) < 0) {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	361 mail_index_unmap_forced(index, map);
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	362 return -1;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	363 }
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	364 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	365
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	366 ret = mail_index_check_header(index, map);
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	367 if (ret < 0) {
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	368 mail_index_unmap_forced(index, map);
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	369 return 0;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	370 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	371 if (ret == 0)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	372 index->fsck = TRUE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	373
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	374 map->log_file_seq = map->hdr->log_file_seq;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	375 map->log_file_offset = map->hdr->log_file_offset;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	376
1919 4aeb7357951a locking fixes, mmap_disable=yes fixes Timo Sirainen <tss@iki.fi> parents: 1917 diff changeset	377 index->hdr = map->hdr;
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	378 index->map = map;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	379 return 1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	380 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	381
2114 4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	382 struct mail_index_map *
4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	383 mail_index_map_to_memory(struct mail_index index, struct mail_index_map map)
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	384 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	385 const struct mail_index_header *hdr;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	386 struct mail_index_map *mem_map;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	387 size_t size;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	388
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	389 if (MAIL_INDEX_MAP_IS_IN_MEMORY(map)) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	390 map->refcount++;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	391 return map;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	392 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	393
2114 4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	394 size = map->records_count * index->record_size;
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	395
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	396 mem_map = i_new(struct mail_index_map, 1);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	397 mem_map->refcount = 1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	398 mem_map->buffer = buffer_create_dynamic(default_pool, size, (size_t)-1);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	399 buffer_append(mem_map->buffer, map->records, size);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	400
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	401 mem_map->records = buffer_get_modifyable_data(mem_map->buffer, NULL);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	402 mem_map->records_count = map->records_count;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	403
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	404 hdr = map->mmap_base;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	405 memcpy(&mem_map->hdr_copy, map->mmap_base,
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	406 I_MIN(hdr->header_size, sizeof(mem_map->hdr_copy)));
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	407 mem_map->hdr = &mem_map->hdr_copy;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	408 return mem_map;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	409 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	410
2063 21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	411 static int mail_index_try_open_only(struct mail_index *index)
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	412 {
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	413 int i;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	414
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	415 for (i = 0; i < 3; i++) {
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	416 index->fd = open(index->filepath, O_RDWR);
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	417 if (index->fd == -1 && errno == EACCES) {
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	418 index->fd = open(index->filepath, O_RDONLY);
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	419 index->readonly = TRUE;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	420 }
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	421 if (index->fd != -1 \|\| errno != ESTALE)
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	422 break;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	423
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	424 /* May happen with some OSes with NFS. Try again, although
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	425 there's still a race condition with another computer
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	426 creating the index file again. However, we can't try forever
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	427 as ESTALE happens also if index directory has been deleted
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	428 from server.. */
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	429 }
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	430 if (index->fd == -1) {
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	431 if (errno != ENOENT)
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	432 return mail_index_set_syscall_error(index, "open()");
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	433
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	434 /* have to create it */
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	435 return 0;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	436 }
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	437 return 1;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	438 }
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	439
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	440 static int
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	441 mail_index_try_open(struct mail_index index, unsigned int lock_id_r)
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	442 {
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	443 unsigned int lock_id;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	444 int ret;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	445
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	446 if (lock_id_r != NULL)
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	447 *lock_id_r = 0;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	448
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	449 ret = mail_index_try_open_only(index);
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	450 if (ret <= 0)
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	451 return ret;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	452
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	453 if (mail_index_lock_shared(index, FALSE, &lock_id) < 0)
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	454 return -1;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	455 ret = mail_index_map(index, FALSE);
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	456 if (ret == 0) {
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	457 /* it's corrupted - recreate it */
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	458 mail_index_unlock(index, lock_id);
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	459 if (lock_id_r != NULL)
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	460 *lock_id_r = 0;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	461
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	462 (void)close(index->fd);
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	463 index->fd = -1;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	464 } else {
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	465 if (lock_id_r != NULL)
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	466 *lock_id_r = lock_id;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	467 else
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	468 mail_index_unlock(index, lock_id);
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	469 }
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	470 return ret;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	471 }
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	472
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	473 int mail_index_write_header(struct mail_index *index,
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	474 const struct mail_index_header *hdr)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	475 {
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	476 if (!MAIL_INDEX_MAP_IS_IN_MEMORY(index->map)) {
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	477 memcpy(index->map->mmap_base, hdr, sizeof(*hdr));
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	478 if (msync(index->map->mmap_base, sizeof(*hdr), MS_SYNC) < 0)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	479 return mail_index_set_syscall_error(index, "msync()");
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	480 } else {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	481 if (pwrite_full(index->fd, hdr, sizeof(*hdr), 0) < 0) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	482 mail_index_set_syscall_error(index, "pwrite_full()");
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	483 return -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	484 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	485
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	486 index->map->hdr_copy = *hdr;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	487 index->hdr = &index->map->hdr_copy;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	488 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	489
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	490 return 0;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	491 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	492
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	493 int mail_index_create_tmp_file(struct mail_index index, const char *path_r)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	494 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	495 const char *path;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	496 int fd;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	497
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	498 path = *path_r = t_strconcat(index->filepath, ".tmp", NULL);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	499 fd = open(path, O_RDWR\|O_CREAT\|O_TRUNC, index->mode);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	500 if (fd == -1)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	501 return mail_index_file_set_syscall_error(index, path, "open()");
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	502
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	503 if (index->gid != (gid_t)-1 &&
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	504 fchown(index->fd, (uid_t)-1, index->gid) < 0) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	505 mail_index_file_set_syscall_error(index, path, "fchown()");
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	506 return -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	507 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	508
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	509 return fd;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	510 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	511
1942 2b114aa7eeec handle losing index file Timo Sirainen <tss@iki.fi> parents: 1939 diff changeset	512 static int mail_index_create(struct mail_index *index,
2b114aa7eeec handle losing index file Timo Sirainen <tss@iki.fi> parents: 1939 diff changeset	513 struct mail_index_header *hdr)
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	514 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	515 const char *path;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	516 uint32_t seq;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	517 uoff_t offset;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	518 int ret;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	519
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	520 /* log file lock protects index creation */
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	521 if (mail_transaction_log_sync_lock(index->log, &seq, &offset) < 0)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	522 return -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	523
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	524 ret = mail_index_try_open(index, NULL);
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	525 if (ret != 0) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	526 mail_transaction_log_sync_unlock(index->log);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	527 return ret;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	528 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	529
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	530 /* create it fully in index.tmp first */
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	531 index->fd = mail_index_create_tmp_file(index, &path);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	532 if (index->fd == -1)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	533 ret = -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	534 else if (write_full(index->fd, hdr, sizeof(*hdr)) < 0) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	535 mail_index_file_set_syscall_error(index, path, "write_full()");
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	536 ret = -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	537 } else {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	538 ret = mail_index_map(index, FALSE);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	539 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	540
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	541 if (ret == 0) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	542 /* it's corrupted even while we just created it,
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	543 should never happen unless someone pokes the file directly */
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	544 mail_index_set_error(index,
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	545 "Newly created index file is corrupted: %s", path);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	546 ret = -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	547 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	548
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	549 if (ret < 0) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	550 if (unlink(path) < 0 && errno != ENOENT) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	551 mail_index_file_set_syscall_error(index, path,
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	552 "unlink()");
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	553 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	554 return -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	555 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	556
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	557 /* make it visible to others */
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	558 if (rename(path, index->filepath) < 0) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	559 mail_index_set_error(index, "rename(%s, %s) failed: %m",
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	560 path, index->filepath);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	561 return -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	562 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	563
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	564 mail_transaction_log_sync_unlock(index->log);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	565 return 1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	566 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	567
2114 4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	568 static void mail_index_header_init(struct mail_index *index,
4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	569 struct mail_index_header *hdr)
2073 a58c51c8f37b Don't complain about transaction log indexid changes when rebuilding index. Timo Sirainen <tss@iki.fi> parents: 2063 diff changeset	570 {
a58c51c8f37b Don't complain about transaction log indexid changes when rebuilding index. Timo Sirainen <tss@iki.fi> parents: 2063 diff changeset	571 time_t now = time(NULL);
a58c51c8f37b Don't complain about transaction log indexid changes when rebuilding index. Timo Sirainen <tss@iki.fi> parents: 2063 diff changeset	572
a58c51c8f37b Don't complain about transaction log indexid changes when rebuilding index. Timo Sirainen <tss@iki.fi> parents: 2063 diff changeset	573 memset(hdr, 0, sizeof(*hdr));
a58c51c8f37b Don't complain about transaction log indexid changes when rebuilding index. Timo Sirainen <tss@iki.fi> parents: 2063 diff changeset	574
a58c51c8f37b Don't complain about transaction log indexid changes when rebuilding index. Timo Sirainen <tss@iki.fi> parents: 2063 diff changeset	575 hdr->major_version = MAIL_INDEX_MAJOR_VERSION;
a58c51c8f37b Don't complain about transaction log indexid changes when rebuilding index. Timo Sirainen <tss@iki.fi> parents: 2063 diff changeset	576 hdr->minor_version = MAIL_INDEX_MINOR_VERSION;
a58c51c8f37b Don't complain about transaction log indexid changes when rebuilding index. Timo Sirainen <tss@iki.fi> parents: 2063 diff changeset	577 hdr->header_size = sizeof(*hdr);
2114 4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	578 hdr->record_size = index->record_size;
4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	579 hdr->keywords_mask_size = sizeof(keywords_mask_t);
2073 a58c51c8f37b Don't complain about transaction log indexid changes when rebuilding index. Timo Sirainen <tss@iki.fi> parents: 2063 diff changeset	580
a58c51c8f37b Don't complain about transaction log indexid changes when rebuilding index. Timo Sirainen <tss@iki.fi> parents: 2063 diff changeset	581 #ifndef WORDS_BIGENDIAN
a58c51c8f37b Don't complain about transaction log indexid changes when rebuilding index. Timo Sirainen <tss@iki.fi> parents: 2063 diff changeset	582 hdr->compat_data[0] = MAIL_INDEX_COMPAT_LITTLE_ENDIAN;
a58c51c8f37b Don't complain about transaction log indexid changes when rebuilding index. Timo Sirainen <tss@iki.fi> parents: 2063 diff changeset	583 #endif
a58c51c8f37b Don't complain about transaction log indexid changes when rebuilding index. Timo Sirainen <tss@iki.fi> parents: 2063 diff changeset	584 hdr->compat_data[1] = sizeof(uoff_t);
a58c51c8f37b Don't complain about transaction log indexid changes when rebuilding index. Timo Sirainen <tss@iki.fi> parents: 2063 diff changeset	585 hdr->compat_data[2] = sizeof(time_t);
a58c51c8f37b Don't complain about transaction log indexid changes when rebuilding index. Timo Sirainen <tss@iki.fi> parents: 2063 diff changeset	586
a58c51c8f37b Don't complain about transaction log indexid changes when rebuilding index. Timo Sirainen <tss@iki.fi> parents: 2063 diff changeset	587 hdr->indexid = now;
a58c51c8f37b Don't complain about transaction log indexid changes when rebuilding index. Timo Sirainen <tss@iki.fi> parents: 2063 diff changeset	588
a58c51c8f37b Don't complain about transaction log indexid changes when rebuilding index. Timo Sirainen <tss@iki.fi> parents: 2063 diff changeset	589 hdr->next_uid = 1;
a58c51c8f37b Don't complain about transaction log indexid changes when rebuilding index. Timo Sirainen <tss@iki.fi> parents: 2063 diff changeset	590 }
a58c51c8f37b Don't complain about transaction log indexid changes when rebuilding index. Timo Sirainen <tss@iki.fi> parents: 2063 diff changeset	591
1942 2b114aa7eeec handle losing index file Timo Sirainen <tss@iki.fi> parents: 1939 diff changeset	592 static int mail_index_open_files(struct mail_index *index,
2b114aa7eeec handle losing index file Timo Sirainen <tss@iki.fi> parents: 1939 diff changeset	593 enum mail_index_open_flags flags)
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	594 {
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	595 struct mail_index_header hdr;
1935 ec4d5ff99f6e Don't modify index file when creating new transaction log. Timo Sirainen <tss@iki.fi> parents: 1930 diff changeset	596 unsigned int lock_id = 0;
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	597 int ret;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	598
1935 ec4d5ff99f6e Don't modify index file when creating new transaction log. Timo Sirainen <tss@iki.fi> parents: 1930 diff changeset	599 ret = mail_index_try_open(index, &lock_id);
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	600 if (ret > 0)
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	601 hdr = *index->hdr;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	602 else if (ret == 0) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	603 /* doesn't exist, or corrupted */
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	604 if ((flags & MAIL_INDEX_OPEN_FLAG_CREATE) == 0)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	605 return 0;
2114 4aedcb4c51cb Added support for per-index sized mail_index_record. Timo Sirainen <tss@iki.fi> parents: 2095 diff changeset	606 mail_index_header_init(index, &hdr);
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	607 index->hdr = &hdr;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	608 } else if (ret < 0)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	609 return -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	610
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	611 index->indexid = hdr.indexid;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	612
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	613 index->log = mail_transaction_log_open_or_create(index);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	614 if (index->log == NULL)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	615 return -1;
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	616
1935 ec4d5ff99f6e Don't modify index file when creating new transaction log. Timo Sirainen <tss@iki.fi> parents: 1930 diff changeset	617 if (lock_id != 0)
ec4d5ff99f6e Don't modify index file when creating new transaction log. Timo Sirainen <tss@iki.fi> parents: 1930 diff changeset	618 mail_index_unlock(index, lock_id);
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	619 return index->fd != -1 ? 1 : mail_index_create(index, &hdr);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	620 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	621
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	622 int mail_index_open(struct mail_index *index, enum mail_index_open_flags flags)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	623 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	624 int i = 0, ret;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	625
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	626 if (index->opened)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	627 return 0;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	628
1967 b6d900688c55 memory leak fixes Timo Sirainen <tss@iki.fi> parents: 1965 diff changeset	629 index->filepath = i_strconcat(index->dir, "/", index->prefix, NULL);
b6d900688c55 memory leak fixes Timo Sirainen <tss@iki.fi> parents: 1965 diff changeset	630
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	631 do {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	632 index->shared_lock_count = 0;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	633 index->excl_lock_count = 0;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	634 index->lock_type = F_UNLCK;
2021 19e638ade25c Locking fixes Timo Sirainen <tss@iki.fi> parents: 1984 diff changeset	635 index->lock_id = 2;
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	636
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	637 index->nodiskspace = FALSE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	638 index->index_lock_timeout = FALSE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	639 index->log_locked = FALSE;
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	640 index->mmap_disable =
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	641 (flags & MAIL_INDEX_OPEN_FLAG_MMAP_DISABLE) != 0;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	642 index->mmap_no_write =
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	643 (flags & MAIL_INDEX_OPEN_FLAG_MMAP_NO_WRITE) != 0;
1920 d11efbf1d341 Added fcntl_lock_disable setting to allow indexes to work with NFS. Some Timo Sirainen <tss@iki.fi> parents: 1919 diff changeset	644 index->fcntl_locks_disable =
d11efbf1d341 Added fcntl_lock_disable setting to allow indexes to work with NFS. Some Timo Sirainen <tss@iki.fi> parents: 1919 diff changeset	645 (flags & MAIL_INDEX_OPEN_FLAG_FCNTL_LOCKS_DISABLE) != 0;
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	646 index->readonly = FALSE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	647
1942 2b114aa7eeec handle losing index file Timo Sirainen <tss@iki.fi> parents: 1939 diff changeset	648 ret = mail_index_open_files(index, flags);
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	649 if (ret <= 0)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	650 break;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	651
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	652 index->opened = TRUE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	653 if (index->fsck) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	654 index->fsck = FALSE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	655 ret = mail_index_fsck(index);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	656 if (ret == 0) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	657 /* completely broken, reopen */
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	658 if (i++ < 3)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	659 continue;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	660 /* too many tries */
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	661 ret = -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	662 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	663 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	664 break;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	665 } while (1);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	666
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	667 if (ret <= 0)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	668 mail_index_close(index);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	669
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	670 return ret;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	671 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	672
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	673 void mail_index_close(struct mail_index *index)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	674 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	675 if (index->log != NULL) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	676 mail_transaction_log_close(index->log);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	677 index->log = NULL;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	678 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	679
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	680 if (index->map != NULL) {
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	681 mail_index_unmap(index, index->map);
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	682 index->map = NULL;
8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	683 }
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	684
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	685 if (index->fd != -1) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	686 if (close(index->fd) < 0)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	687 mail_index_set_syscall_error(index, "close()");
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	688 index->fd = -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	689 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	690
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	691 i_free(index->copy_lock_path);
1930 8f31c6dae363 fixes Timo Sirainen <tss@iki.fi> parents: 1925 diff changeset	692 index->copy_lock_path = NULL;
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	693 i_free(index->filepath);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	694 index->filepath = NULL;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	695
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	696 index->indexid = 0;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	697 index->opened = FALSE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	698 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	699
2063 21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	700 int mail_index_reopen(struct mail_index *index, int fd)
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	701 {
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	702 struct mail_index_map *old_map;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	703 unsigned int old_shared_locks, old_lock_id, lock_id = 0;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	704 int ret, old_fd, old_lock_type;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	705
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	706 old_map = index->map;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	707 old_fd = index->fd;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	708
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	709 index->map = NULL;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	710 index->hdr = NULL;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	711
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	712 /* new file, new locks. the old fd can keep it's locks, they don't
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	713 matter anymore as no-one's going to modify the file. */
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	714 old_lock_type = index->lock_type;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	715 old_lock_id = index->lock_id;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	716 old_shared_locks = index->shared_lock_count;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	717
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	718 if (index->lock_type == F_RDLCK)
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	719 index->lock_type = F_UNLCK;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	720 index->lock_id += 2;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	721 index->shared_lock_count = 0;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	722
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	723 if (fd != -1) {
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	724 index->fd = fd;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	725 ret = 0;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	726 } else {
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	727 i_assert(index->excl_lock_count == 0);
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	728 ret = mail_index_try_open_only(index);
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	729 if (ret > 0)
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	730 ret = mail_index_lock_shared(index, FALSE, &lock_id);
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	731 else if (ret == 0) {
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	732 /* index file is lost */
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	733 ret = -1;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	734 }
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	735 }
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	736
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	737 if (ret == 0) {
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	738 if (mail_index_map(index, FALSE) <= 0)
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	739 ret = -1;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	740 }
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	741
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	742 if (lock_id != 0)
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	743 mail_index_unlock(index, lock_id);
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	744
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	745 if (ret == 0) {
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	746 mail_index_unmap(index, old_map);
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	747 if (close(old_fd) < 0)
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	748 mail_index_set_syscall_error(index, "close()");
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	749 } else {
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	750 if (index->map != NULL)
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	751 mail_index_unmap(index, index->map);
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	752 if (index->fd != -1) {
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	753 if (close(index->fd) < 0)
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	754 mail_index_set_syscall_error(index, "close()");
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	755 }
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	756
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	757 index->map = old_map;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	758 index->hdr = index->map->hdr;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	759 index->fd = old_fd;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	760 index->lock_type = old_lock_type;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	761 index->lock_id = old_lock_id;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	762 index->shared_lock_count = old_shared_locks;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	763 }
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	764 return ret;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	765 }
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	766
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	767 int mail_index_refresh(struct mail_index *index)
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	768 {
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	769 struct stat st1, st2;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	770
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	771 if (fstat(index->fd, &st1) < 0)
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	772 return mail_index_set_syscall_error(index, "fstat()");
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	773 if (stat(index->filepath, &st2) < 0) {
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	774 mail_index_set_syscall_error(index, "stat()");
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	775 if (errno != ENOENT)
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	776 return -1;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	777
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	778 /* lost it? recreate */
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	779 (void)mail_index_mark_corrupted(index);
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	780 return -1;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	781 }
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	782
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	783 if (st1.st_ino != st2.st_ino \|\|
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	784 !CMP_DEV_T(st1.st_dev, st2.st_dev)) {
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	785 if (mail_index_reopen(index, -1) < 0)
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	786 return -1;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	787 return 1;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	788 } else {
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	789 return 0;
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	790 }
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	791 }
21a3e5d08290 mail_index_refresh() - allows forcing a refresh check Timo Sirainen <tss@iki.fi> parents: 2051 diff changeset	792
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	793 struct mail_cache mail_index_get_cache(struct mail_index index)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	794 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	795 return index->cache;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	796 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	797
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	798 int mail_index_set_error(struct mail_index index, const char fmt, ...)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	799 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	800 va_list va;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	801
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	802 i_free(index->error);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	803
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	804 if (fmt == NULL)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	805 index->error = NULL;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	806 else {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	807 va_start(va, fmt);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	808 index->error = i_strdup_vprintf(fmt, va);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	809 va_end(va);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	810
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	811 i_error("%s", index->error);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	812 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	813
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	814 return -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	815 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	816
1917 68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	817 void mail_index_set_inconsistent(struct mail_index *index)
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	818 {
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	819 index->indexid = 0;
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	820 }
68938dccbc45 Forced locking to be right with mprotect()ing index file. Support for Timo Sirainen <tss@iki.fi> parents: 1915 diff changeset	821
1945 268a4096e8be cleanup Timo Sirainen <tss@iki.fi> parents: 1943 diff changeset	822 void mail_index_mark_corrupted(struct mail_index *index)
1943 e473d2df21be missing index file fixes Timo Sirainen <tss@iki.fi> parents: 1942 diff changeset	823 {
e473d2df21be missing index file fixes Timo Sirainen <tss@iki.fi> parents: 1942 diff changeset	824 struct mail_index_header hdr;
e473d2df21be missing index file fixes Timo Sirainen <tss@iki.fi> parents: 1942 diff changeset	825
1945 268a4096e8be cleanup Timo Sirainen <tss@iki.fi> parents: 1943 diff changeset	826 mail_index_set_inconsistent(index);
268a4096e8be cleanup Timo Sirainen <tss@iki.fi> parents: 1943 diff changeset	827
1943 e473d2df21be missing index file fixes Timo Sirainen <tss@iki.fi> parents: 1942 diff changeset	828 if (index->readonly)
1945 268a4096e8be cleanup Timo Sirainen <tss@iki.fi> parents: 1943 diff changeset	829 return;
1943 e473d2df21be missing index file fixes Timo Sirainen <tss@iki.fi> parents: 1942 diff changeset	830
e473d2df21be missing index file fixes Timo Sirainen <tss@iki.fi> parents: 1942 diff changeset	831 /* make sure we can write the header */
e473d2df21be missing index file fixes Timo Sirainen <tss@iki.fi> parents: 1942 diff changeset	832 if (!MAIL_INDEX_MAP_IS_IN_MEMORY(index->map)) {
e473d2df21be missing index file fixes Timo Sirainen <tss@iki.fi> parents: 1942 diff changeset	833 if (mprotect(index->map->mmap_base, sizeof(hdr),
e473d2df21be missing index file fixes Timo Sirainen <tss@iki.fi> parents: 1942 diff changeset	834 PROT_READ \| PROT_WRITE) < 0) {
e473d2df21be missing index file fixes Timo Sirainen <tss@iki.fi> parents: 1942 diff changeset	835 mail_index_set_syscall_error(index, "mprotect()");
1945 268a4096e8be cleanup Timo Sirainen <tss@iki.fi> parents: 1943 diff changeset	836 return;
1943 e473d2df21be missing index file fixes Timo Sirainen <tss@iki.fi> parents: 1942 diff changeset	837 }
e473d2df21be missing index file fixes Timo Sirainen <tss@iki.fi> parents: 1942 diff changeset	838 }
e473d2df21be missing index file fixes Timo Sirainen <tss@iki.fi> parents: 1942 diff changeset	839
e473d2df21be missing index file fixes Timo Sirainen <tss@iki.fi> parents: 1942 diff changeset	840 hdr = *index->hdr;
e473d2df21be missing index file fixes Timo Sirainen <tss@iki.fi> parents: 1942 diff changeset	841 hdr.flags \|= MAIL_INDEX_HDR_FLAG_CORRUPTED;
1945 268a4096e8be cleanup Timo Sirainen <tss@iki.fi> parents: 1943 diff changeset	842 if (mail_index_write_header(index, &hdr) == 0) {
268a4096e8be cleanup Timo Sirainen <tss@iki.fi> parents: 1943 diff changeset	843 if (fsync(index->fd) < 0)
268a4096e8be cleanup Timo Sirainen <tss@iki.fi> parents: 1943 diff changeset	844 mail_index_set_syscall_error(index, "fsync()");
268a4096e8be cleanup Timo Sirainen <tss@iki.fi> parents: 1943 diff changeset	845 }
1943 e473d2df21be missing index file fixes Timo Sirainen <tss@iki.fi> parents: 1942 diff changeset	846 }
e473d2df21be missing index file fixes Timo Sirainen <tss@iki.fi> parents: 1942 diff changeset	847
1915 79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	848 int mail_index_set_syscall_error(struct mail_index *index,
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	849 const char *function)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	850 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	851 i_assert(function != NULL);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	852
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	853 if (ENOSPACE(errno)) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	854 index->nodiskspace = TRUE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	855 return -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	856 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	857
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	858 return mail_index_set_error(index, "%s failed with index file %s: %m",
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	859 function, index->filepath);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	860 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	861
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	862 int mail_index_file_set_syscall_error(struct mail_index *index,
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	863 const char *filepath,
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	864 const char *function)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	865 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	866 i_assert(filepath != NULL);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	867 i_assert(function != NULL);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	868
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	869 if (ENOSPACE(errno)) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	870 index->nodiskspace = TRUE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	871 return -1;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	872 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	873
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	874 return mail_index_set_error(index, "%s failed with file %s: %m",
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	875 function, filepath);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	876 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	877
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	878 enum mail_index_error mail_index_get_last_error(struct mail_index *index)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	879 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	880 if (index->nodiskspace)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	881 return MAIL_INDEX_ERROR_DISKSPACE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	882 if (index->error != NULL)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	883 return MAIL_INDEX_ERROR_INTERNAL;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	884
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	885 return MAIL_INDEX_ERROR_NONE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	886 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	887
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	888 const char mail_index_get_error_message(struct mail_index index)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	889 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	890 return index->error;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	891 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	892
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	893 void mail_index_reset_error(struct mail_index *index)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	894 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	895 if (index->error != NULL) {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	896 i_free(index->error);
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	897 index->error = NULL;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	898 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	899
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	900 index->nodiskspace = FALSE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	901 index->index_lock_timeout = FALSE;
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	902 }
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	903
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	904 int mail_index_is_in_memory(struct mail_index *index)
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	905 {
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	906 return FALSE; // FIXME
79790750c349 importing new index code. mbox still broken. Timo Sirainen <tss@iki.fi> parents: diff changeset	907 }

Mercurial > dovecot > core-2.2

annotate src/lib-index/mail-index.c @ 2115:f720b3f15333 HEAD