Mercurial > dovecot > core-2.2

annotate src/lib-storage/index/dbox-multi/mdbox-storage.h @ 23017:c1d36f2575c7 default tip

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lib-imap: Fix "Don't accept strings with NULs" cherry-pick
author Timo Sirainen <timo.sirainen@open-xchange.com>
date Thu, 29 Aug 2019 09:55:25 +0300
parents c238c55479c8
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #ifndef MDBOX_STORAGE_H
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2 #define MDBOX_STORAGE_H
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3
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4 #include "index-storage.h"
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5 #include "dbox-storage.h"
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6 #include "mdbox-settings.h"
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7
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8 #define MDBOX_STORAGE_NAME "mdbox"
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9 #define MDBOX_DELETED_STORAGE_NAME "mdbox_deleted"
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10 #define MDBOX_GLOBAL_INDEX_PREFIX "dovecot.map.index"
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11 #define MDBOX_GLOBAL_DIR_NAME "storage"
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12 #define MDBOX_MAIL_FILE_PREFIX "m."
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13 #define MDBOX_MAIL_FILE_FORMAT MDBOX_MAIL_FILE_PREFIX"%u"
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14 #define MDBOX_MAX_OPEN_UNUSED_FILES 2
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15 #define MDBOX_CLOSE_UNUSED_FILES_TIMEOUT_SECS 30
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16
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17 #define MDBOX_INDEX_HEADER_MIN_SIZE (sizeof(uint32_t))
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18 struct mdbox_index_header {
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19 uint32_t map_uid_validity;
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20 guid_128_t mailbox_guid;
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21 uint8_t flags; /* enum dbox_index_header_flags */
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22 uint8_t unused[3];
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23 };
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24
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25 struct mdbox_storage {
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26 struct dbox_storage storage;
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27 const struct mdbox_settings *set;
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28
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29 /* paths for storage directories */
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30 const char *storage_dir, *alt_storage_dir;
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31 struct mdbox_map *map;
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32
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33 ARRAY(struct mdbox_file *) open_files;
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34 struct timeout *to_close_unused_files;
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35
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36 ARRAY_TYPE(uint32_t) move_to_alt_map_uids;
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37 ARRAY_TYPE(uint32_t) move_from_alt_map_uids;
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38
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39 /* if non-zero, storage should be rebuilt (except if rebuild_count
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40 has changed from this value) */
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41 uint32_t corrupted_rebuild_count;
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42
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43 unsigned int corrupted:1;
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44 unsigned int rebuilding_storage:1;
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45 unsigned int preallocate_space:1;
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46 };
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47
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48 struct mdbox_mail_index_record {
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49 uint32_t map_uid;
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50 /* UNIX timestamp of when the message was saved/copied to this
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51 mailbox */
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52 uint32_t save_date;
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53 };
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54
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55 struct mdbox_mailbox {
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56 struct mailbox box;
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57 struct mdbox_storage *storage;
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58
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59 uint32_t map_uid_validity;
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60 uint32_t ext_id, hdr_ext_id, guid_ext_id;
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61
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62 unsigned int mdbox_deleted_synced:1;
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63 unsigned int creating:1;
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64 };
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65
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66 extern struct dbox_storage_vfuncs mdbox_dbox_storage_vfuncs;
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67 extern struct mail_vfuncs mdbox_mail_vfuncs;
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68
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69 int mdbox_mail_open(struct dbox_mail *mail, uoff_t *offset_r,
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70 struct dbox_file **file_r);
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71
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72 /* Get map_uid for wanted message. */
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73 int mdbox_mail_lookup(struct mdbox_mailbox *mbox, struct mail_index_view *view,
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74 uint32_t seq, uint32_t *map_uid_r);
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75 uint32_t dbox_get_uidvalidity_next(struct mailbox_list *list);
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76 int mdbox_read_header(struct mdbox_mailbox *mbox,
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77 struct mdbox_index_header *hdr, bool *need_resize_r);
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78 void mdbox_update_header(struct mdbox_mailbox *mbox,
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79 struct mail_index_transaction *trans,
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80 const struct mailbox_update *update) ATTR_NULL(3);
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81 int mdbox_mailbox_create_indexes(struct mailbox *box,
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82 const struct mailbox_update *update,
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83 struct mail_index_transaction *trans);
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84
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85 struct mail_save_context *
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86 mdbox_save_alloc(struct mailbox_transaction_context *_t);
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87 int mdbox_save_begin(struct mail_save_context *ctx, struct istream *input);
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88 int mdbox_save_finish(struct mail_save_context *ctx);
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89 void mdbox_save_cancel(struct mail_save_context *ctx);
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90
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91 struct dbox_file *
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92 mdbox_save_file_get_file(struct mailbox_transaction_context *t,
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93 uint32_t seq, uoff_t *offset_r);
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94
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95 int mdbox_transaction_save_commit_pre(struct mail_save_context *ctx);
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96 void mdbox_transaction_save_commit_post(struct mail_save_context *ctx,
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97 struct mail_index_transaction_commit_result *result);
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98 void mdbox_transaction_save_rollback(struct mail_save_context *ctx);
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99
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100 int mdbox_copy(struct mail_save_context *ctx, struct mail *mail);
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101
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102 void mdbox_purge_alt_flag_change(struct mail *mail, bool move_to_alt);
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103 int mdbox_purge(struct mail_storage *storage);
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104
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105 int mdbox_storage_create(struct mail_storage *_storage,
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106 struct mail_namespace *ns, const char **error_r);
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107 void mdbox_storage_destroy(struct mail_storage *_storage);
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108 int mdbox_mailbox_open(struct mailbox *box);
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109
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110 void mdbox_storage_set_corrupted(struct mdbox_storage *storage);
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111 void mdbox_set_mailbox_corrupted(struct mailbox *box);
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112 void mdbox_set_file_corrupted(struct dbox_file *file);
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113
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114 #endif