Mercurial > dovecot > core-2.2

annotate src/lib-index/mail-index-transaction-private.h @ 22576:707ae9de3812

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lib: istream-multiplex - Minor code cleanup Avoid propagating the error twice, and avoid any confusion about what "got" actually contains.
author Timo Sirainen <timo.sirainen@dovecot.fi>
date Thu, 05 Oct 2017 20:24:11 +0300
parents bd1d7007cb01
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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e4eb71ae8e96 Changed .h ifdef/defines to use <NAME>_H format.
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1 #ifndef MAIL_INDEX_TRANSACTION_PRIVATE_H
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2 #define MAIL_INDEX_TRANSACTION_PRIVATE_H
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3
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4 #include "seq-range-array.h"
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5 #include "mail-transaction-log.h"
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6
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7 ARRAY_DEFINE_TYPE(seq_array_array, ARRAY_TYPE(seq_array));
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8
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9 struct mail_index_transaction_keyword_update {
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10 ARRAY_TYPE(seq_range) add_seq;
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11 ARRAY_TYPE(seq_range) remove_seq;
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12 };
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13
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3ec9ce7cd5e7 Implemented mail_index_update_header_ext()
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14 struct mail_index_transaction_ext_hdr_update {
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15 size_t alloc_size;
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16 /* mask is in bytes, not bits */
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17 unsigned char *mask;
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18 unsigned char *data;
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19 };
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20
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21 struct mail_index_transaction_vfuncs {
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546adc9dd14b Isolated all cache transaction handling code to a single file.
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22 void (*reset)(struct mail_index_transaction *t);
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23 int (*commit)(struct mail_index_transaction *t,
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24 struct mail_index_transaction_commit_result *result_r);
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25 void (*rollback)(struct mail_index_transaction *t);
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26 };
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28 union mail_index_transaction_module_context {
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29 struct mail_index_transaction_vfuncs super;
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30 struct mail_index_module_register *reg;
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31 };
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32
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33 struct mail_index_flag_update {
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34 uint32_t uid1, uid2;
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35 uint16_t add_flags;
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36 uint16_t remove_flags;
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37 };
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38
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39 struct mail_index_transaction {
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40 struct mail_index_transaction *prev, *next;
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41 int refcount;
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42
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a19931ec66db Changed mail_transaction_begin() API to take flags parameter instead of two
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43 enum mail_index_transaction_flags flags;
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44 struct mail_index_transaction_vfuncs v, *vlast;
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45 struct mail_index_view *view;
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5d45870e2e4a lib-index: Fixed MAIL_INDEX_SYNC_FLAG_AVOID_FLAG_UPDATES with concurrent keyword changes.
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46 struct mail_index_view *latest_view;
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47
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48 /* NOTE: If you add anything new, remember to update
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2558ba736207 Keep track of expunged messages' GUIDs and expose them via mailbox_get_expunges().
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49 mail_index_transaction_reset_v() to reset it. */
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50 ARRAY(struct mail_index_record) appends;
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51 uint32_t first_new_seq, last_new_seq;
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735001110846 mail_index_transaction_get_next_uid() shouldn't sort appends. They may still be modified!
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52 uint32_t highest_append_uid;
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53 /* lowest/highest sequence that updates flags/keywords */
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54 uint32_t min_flagupdate_seq, max_flagupdate_seq;
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55
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56 ARRAY(struct mail_transaction_modseq_update) modseq_updates;
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57 ARRAY(struct mail_transaction_expunge_guid) expunges;
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58 ARRAY(struct mail_index_flag_update) updates;
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59 size_t last_update_idx;
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60
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61 unsigned char pre_hdr_change[sizeof(struct mail_index_header)];
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62 unsigned char pre_hdr_mask[sizeof(struct mail_index_header)];
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63 unsigned char post_hdr_change[sizeof(struct mail_index_header)];
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64 unsigned char post_hdr_mask[sizeof(struct mail_index_header)];
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65
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66 ARRAY(struct mail_index_transaction_ext_hdr_update) ext_hdr_updates;
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67 ARRAY_TYPE(seq_array_array) ext_rec_updates;
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68 ARRAY_TYPE(seq_array_array) ext_rec_atomics;
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69 ARRAY(struct mail_transaction_ext_intro) ext_resizes;
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70 ARRAY(struct mail_transaction_ext_reset) ext_resets;
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71 ARRAY(uint32_t) ext_reset_ids;
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72 ARRAY(uint32_t) ext_reset_atomic;
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73
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74 ARRAY(struct mail_index_transaction_keyword_update) keyword_updates;
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75 buffer_t *attribute_updates; /* [+-][ps]key\0.. */
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1ef57aca7d2f lib-index: Add timestamps and value lengths to attribute change records in transaction log.
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76 buffer_t *attribute_updates_suffix; /* <timestamp>[<value len>].. */
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77
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78 uint64_t min_highest_modseq;
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79 uint64_t max_modseq;
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80 ARRAY_TYPE(seq_range) *conflict_seqs;
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81
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82 /* Module-specific contexts. */
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83 ARRAY(union mail_index_transaction_module_context *) module_contexts;
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84
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85 unsigned int no_appends:1;
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86
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87 unsigned int sync_transaction:1;
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cd2d1de1255f Allow appending mails in wrong UID order. Sort them internally when
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88 unsigned int appends_nonsorted:1;
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89 unsigned int expunges_nonsorted:1;
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1f8629349b41 mail_index_update_flags*() now does a better job of merging flag changes together.
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90 unsigned int drop_unnecessary_flag_updates:1;
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91 unsigned int pre_hdr_changed:1;
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92 unsigned int post_hdr_changed:1;
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93 unsigned int reset:1;
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94 unsigned int index_deleted:1;
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95 unsigned int index_undeleted:1;
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96 unsigned int commit_deleted_index:1;
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97 unsigned int tail_offset_changed:1;
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98 /* non-extension updates. flag updates don't change this because
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99 they may be added and removed, so be sure to check that the updates
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100 array is non-empty also. */
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101 unsigned int log_updates:1;
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102 /* extension updates */
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103 unsigned int log_ext_updates:1;
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104 };
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105
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106 #define MAIL_INDEX_TRANSACTION_HAS_CHANGES(t) \
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107 ((t)->log_updates || (t)->log_ext_updates || \
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108 (array_is_created(&(t)->updates) && array_count(&(t)->updates) > 0) || \
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109 (t)->index_deleted || (t)->index_undeleted)
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110
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111 typedef void hook_mail_index_transaction_created_t(struct mail_index_transaction *t);
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112
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bd1d7007cb01 lib-index: Unconstifty pointer array
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113 void mail_index_transaction_hook_register(hook_mail_index_transaction_created_t *hook);
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114 void mail_index_transaction_hook_unregister(hook_mail_index_transaction_created_t *hook);
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115
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116 struct mail_index_record *
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117 mail_index_transaction_lookup(struct mail_index_transaction *t, uint32_t seq);
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118
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119 void mail_index_transaction_ref(struct mail_index_transaction *t);
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120 void mail_index_transaction_unref(struct mail_index_transaction **t);
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121 void mail_index_transaction_reset_v(struct mail_index_transaction *t);
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122
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123 void mail_index_transaction_sort_appends(struct mail_index_transaction *t);
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124 void mail_index_transaction_sort_expunges(struct mail_index_transaction *t);
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125 uint32_t mail_index_transaction_get_next_uid(struct mail_index_transaction *t);
9252
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parents: 9001
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126 void mail_index_transaction_set_log_updates(struct mail_index_transaction *t);
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d1860907acf9 lib-index: Add day_stamp parameter to mail_index_update_day_headers()
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127 void mail_index_update_day_headers(struct mail_index_transaction *t, time_t day_stamp);
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parents: 4678
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128
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129 unsigned int
7b16388a3bb0 mail_get_flags/keywords() now returns updated values if they've been changed within transaction.
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parents: 7913
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130 mail_index_transaction_get_flag_update_pos(struct mail_index_transaction *t,
7b16388a3bb0 mail_get_flags/keywords() now returns updated values if they've been changed within transaction.
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131 unsigned int left_idx,
7b16388a3bb0 mail_get_flags/keywords() now returns updated values if they've been changed within transaction.
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132 unsigned int right_idx,
7b16388a3bb0 mail_get_flags/keywords() now returns updated values if they've been changed within transaction.
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parents: 7913
diff changeset
133 uint32_t seq);
14532
5d45870e2e4a lib-index: Fixed MAIL_INDEX_SYNC_FLAG_AVOID_FLAG_UPDATES with concurrent keyword changes.
Timo Sirainen <tss@iki.fi>
parents: 13188
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134 void mail_index_transaction_lookup_latest_keywords(struct mail_index_transaction *t,
5d45870e2e4a lib-index: Fixed MAIL_INDEX_SYNC_FLAG_AVOID_FLAG_UPDATES with concurrent keyword changes.
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parents: 13188
diff changeset
135 uint32_t seq,
5d45870e2e4a lib-index: Fixed MAIL_INDEX_SYNC_FLAG_AVOID_FLAG_UPDATES with concurrent keyword changes.
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parents: 13188
diff changeset
136 ARRAY_TYPE(keyword_indexes) *keywords);
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7b16388a3bb0 mail_get_flags/keywords() now returns updated values if they've been changed within transaction.
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parents: 7913
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137
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Timo Sirainen <tss@iki.fi>
parents: 9624
diff changeset
138 bool mail_index_cancel_flag_updates(struct mail_index_transaction *t,
b45be8d8b388 mail index transactions: More code cleanups and unit tests.
Timo Sirainen <tss@iki.fi>
parents: 9624
diff changeset
139 uint32_t seq);
b45be8d8b388 mail index transactions: More code cleanups and unit tests.
Timo Sirainen <tss@iki.fi>
parents: 9624
diff changeset
140 bool mail_index_cancel_keyword_updates(struct mail_index_transaction *t,
b45be8d8b388 mail index transactions: More code cleanups and unit tests.
Timo Sirainen <tss@iki.fi>
parents: 9624
diff changeset
141 uint32_t seq);
b45be8d8b388 mail index transactions: More code cleanups and unit tests.
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parents: 9624
diff changeset
142
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52a7790352e8 lib-index: Added mail_index_transaction_get_highest_modseq()
Timo Sirainen <timo.sirainen@dovecot.fi>
parents: 21145
diff changeset
143 /* As input the array's each element starts with struct seq_range where
52a7790352e8 lib-index: Added mail_index_transaction_get_highest_modseq()
Timo Sirainen <timo.sirainen@dovecot.fi>
parents: 21145
diff changeset
144 uid1..uid2 are actually sequences within the transaction view. This function
52a7790352e8 lib-index: Added mail_index_transaction_get_highest_modseq()
Timo Sirainen <timo.sirainen@dovecot.fi>
parents: 21145
diff changeset
145 changes the sequences into UIDs. If the transaction has any appends, they
52a7790352e8 lib-index: Added mail_index_transaction_get_highest_modseq()
Timo Sirainen <timo.sirainen@dovecot.fi>
parents: 21145
diff changeset
146 must have already been assigned UIDs. */
52a7790352e8 lib-index: Added mail_index_transaction_get_highest_modseq()
Timo Sirainen <timo.sirainen@dovecot.fi>
parents: 21145
diff changeset
147 void mail_index_transaction_seq_range_to_uid(struct mail_index_transaction *t,
52a7790352e8 lib-index: Added mail_index_transaction_get_highest_modseq()
Timo Sirainen <timo.sirainen@dovecot.fi>
parents: 21145
diff changeset
148 ARRAY_TYPE(seq_range) *array);
21145
e39b12e1b321 lib-index: Added internal mail_index_transaction_finish_so_far()
Timo Sirainen <timo.sirainen@dovecot.fi>
parents: 17609
diff changeset
149 void mail_index_transaction_finish_so_far(struct mail_index_transaction *t);
12251
ab2222fd3f5d lib-index: Always update index map while committing a transaction.
Timo Sirainen <tss@iki.fi>
parents: 12250
diff changeset
150 void mail_index_transaction_finish(struct mail_index_transaction *t);
9252
937dca181d77 Moved transaction commiting code to mail-index-transaction-*.c
Timo Sirainen <tss@iki.fi>
parents: 9001
diff changeset
151 void mail_index_transaction_export(struct mail_index_transaction *t,
937dca181d77 Moved transaction commiting code to mail-index-transaction-*.c
Timo Sirainen <tss@iki.fi>
parents: 9001
diff changeset
152 struct mail_transaction_log_append_ctx *append_ctx);
9624
2558ba736207 Keep track of expunged messages' GUIDs and expose them via mailbox_get_expunges().
Timo Sirainen <tss@iki.fi>
parents: 9622
diff changeset
153 int mail_transaction_expunge_guid_cmp(const struct mail_transaction_expunge_guid *e1,
2558ba736207 Keep track of expunged messages' GUIDs and expose them via mailbox_get_expunges().
Timo Sirainen <tss@iki.fi>
parents: 9622
diff changeset
154 const struct mail_transaction_expunge_guid *e2);
9622
cae78e734cdb Moved around mail-index-transaction code and added initial unit tests.
Timo Sirainen <tss@iki.fi>
parents: 9616
diff changeset
155 unsigned int
cae78e734cdb Moved around mail-index-transaction code and added initial unit tests.
Timo Sirainen <tss@iki.fi>
parents: 9616
diff changeset
156 mail_index_transaction_get_flag_update_pos(struct mail_index_transaction *t,
cae78e734cdb Moved around mail-index-transaction code and added initial unit tests.
Timo Sirainen <tss@iki.fi>
parents: 9616
diff changeset
157 unsigned int left_idx,
cae78e734cdb Moved around mail-index-transaction code and added initial unit tests.
Timo Sirainen <tss@iki.fi>
parents: 9616
diff changeset
158 unsigned int right_idx,
cae78e734cdb Moved around mail-index-transaction code and added initial unit tests.
Timo Sirainen <tss@iki.fi>
parents: 9616
diff changeset
159 uint32_t seq);
2563
5752e5ac88f0 Save extra record/header infos into index file permanently.
Timo Sirainen <tss@iki.fi>
parents: 2282
diff changeset
160
14682
d0d7b810646b Make sure we check all the functions' return values. Minor API changes to simplify this.
Timo Sirainen <tss@iki.fi>
parents: 14599
diff changeset
161 void mail_index_ext_using_reset_id(struct mail_index_transaction *t,
12250
d0ddc30f0eef lib-index: Cache offsets were sometimes written pointing to an older cache file.
Timo Sirainen <tss@iki.fi>
parents: 11665
diff changeset
162 uint32_t ext_id, uint32_t reset_id);
d0ddc30f0eef lib-index: Cache offsets were sometimes written pointing to an older cache file.
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parents: 11665
diff changeset
163
1915
79790750c349 importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
164 #endif