annotate src/doveadm/dsync/dsync-brain.c @ 15355:b52f4852e5f8

If prefix="" namespace isn't defined, autocreate it as an unusable namespace. This avoids having to handle mail_namespace_find() errors all over the place. Instead now the mailbox accesses will simply fail.
author Timo Sirainen <tss@iki.fi>
date Mon, 29 Oct 2012 22:03:25 +0200
parents 6c850258002f
children af3b86a16ac3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /* Copyright (c) 2012 Dovecot authors, see the included COPYING file */
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2
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3 #include "lib.h"
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4 #include "array.h"
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5 #include "hash.h"
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6 #include "mail-namespace.h"
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7 #include "dsync-mailbox-tree.h"
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8 #include "dsync-ibc.h"
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9 #include "dsync-brain-private.h"
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10
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11 static void dsync_brain_run_io(void *context)
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12 {
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13 struct dsync_brain *brain = context;
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14 bool changed, try_pending;
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15
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16 if (dsync_ibc_has_failed(brain->ibc)) {
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17 io_loop_stop(current_ioloop);
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18 brain->failed = TRUE;
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19 return;
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20 }
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21
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22 try_pending = TRUE;
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23 do {
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24 if (!dsync_brain_run(brain, &changed)) {
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25 io_loop_stop(current_ioloop);
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26 break;
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27 }
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28 if (changed)
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29 try_pending = TRUE;
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30 else if (try_pending) {
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31 if (dsync_ibc_has_pending_data(brain->ibc))
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32 changed = TRUE;
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33 try_pending = FALSE;
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34 }
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35 } while (changed);
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36 }
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37
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38 static struct dsync_brain *
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39 dsync_brain_common_init(struct mail_user *user, struct dsync_ibc *ibc)
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40 {
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41 struct dsync_brain *brain;
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42 pool_t pool;
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43
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44 pool = pool_alloconly_create("dsync brain", 10240);
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45 brain = p_new(pool, struct dsync_brain, 1);
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46 brain->pool = pool;
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47 brain->user = user;
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48 brain->ibc = ibc;
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49 brain->sync_type = DSYNC_BRAIN_SYNC_TYPE_UNKNOWN;
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50 hash_table_create(&brain->mailbox_states, pool, 0,
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51 guid_128_hash, guid_128_cmp);
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52 p_array_init(&brain->remote_mailbox_states, pool, 64);
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53 return brain;
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54 }
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55
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56 static void
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57 dsync_brain_set_flags(struct dsync_brain *brain, enum dsync_brain_flags flags)
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58 {
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59 brain->guid_requests =
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60 (flags & DSYNC_BRAIN_FLAG_SEND_GUID_REQUESTS) != 0;
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61 brain->mails_have_guids =
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62 (flags & DSYNC_BRAIN_FLAG_MAILS_HAVE_GUIDS) != 0;
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63 brain->backup_send = (flags & DSYNC_BRAIN_FLAG_BACKUP_SEND) != 0;
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64 brain->backup_recv = (flags & DSYNC_BRAIN_FLAG_BACKUP_RECV) != 0;
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65 }
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66
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67 struct dsync_brain *
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68 dsync_brain_master_init(struct mail_user *user, struct dsync_ibc *ibc,
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69 struct mail_namespace *sync_ns,
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70 enum dsync_brain_sync_type sync_type,
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71 enum dsync_brain_flags flags,
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72 const char *state)
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73 {
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74 struct dsync_ibc_settings ibc_set;
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75 struct dsync_brain *brain;
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76 const char *error;
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77
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78 i_assert(sync_type != DSYNC_BRAIN_SYNC_TYPE_UNKNOWN);
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79 i_assert(sync_type != DSYNC_BRAIN_SYNC_TYPE_STATE || *state != '\0');
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80
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81 brain = dsync_brain_common_init(user, ibc);
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82 brain->sync_type = sync_type;
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83 if (sync_ns != NULL)
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84 brain->sync_ns = sync_ns;
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85 brain->master_brain = TRUE;
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86 dsync_brain_set_flags(brain, flags);
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87
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88 brain->state = DSYNC_STATE_SEND_MAILBOX_TREE;
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89 if (sync_type == DSYNC_BRAIN_SYNC_TYPE_STATE) {
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90 if (dsync_mailbox_states_import(brain->mailbox_states,
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91 brain->pool, state,
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92 &error) < 0) {
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93 hash_table_clear(brain->mailbox_states, FALSE);
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94 i_error("Saved sync state is invalid, "
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95 "falling back to full sync: %s", error);
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96 brain->sync_type = sync_type =
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97 DSYNC_BRAIN_SYNC_TYPE_FULL;
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98 } else {
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99 brain->state = DSYNC_STATE_MASTER_SEND_LAST_COMMON;
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100 }
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101 }
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102 dsync_brain_mailbox_trees_init(brain);
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103
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104 memset(&ibc_set, 0, sizeof(ibc_set));
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105 ibc_set.sync_ns_prefix = sync_ns == NULL ? NULL : sync_ns->prefix;
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106 ibc_set.sync_type = sync_type;
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107 /* reverse the backup direction for the slave */
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108 ibc_set.brain_flags = flags & ~(DSYNC_BRAIN_FLAG_BACKUP_SEND |
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109 DSYNC_BRAIN_FLAG_BACKUP_RECV);
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110 if ((flags & DSYNC_BRAIN_FLAG_BACKUP_SEND) != 0)
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111 ibc_set.brain_flags |= DSYNC_BRAIN_FLAG_BACKUP_RECV;
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112 else if ((flags & DSYNC_BRAIN_FLAG_BACKUP_RECV) != 0)
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113 ibc_set.brain_flags |= DSYNC_BRAIN_FLAG_BACKUP_SEND;
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114 dsync_ibc_send_handshake(ibc, &ibc_set);
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115
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116 dsync_ibc_set_io_callback(ibc, dsync_brain_run_io, brain);
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117 return brain;
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118 }
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119
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120 struct dsync_brain *
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121 dsync_brain_slave_init(struct mail_user *user, struct dsync_ibc *ibc)
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122 {
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123 struct dsync_brain *brain;
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124
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125 brain = dsync_brain_common_init(user, ibc);
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126 brain->state = DSYNC_STATE_SLAVE_RECV_HANDSHAKE;
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127
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128 dsync_ibc_set_io_callback(ibc, dsync_brain_run_io, brain);
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129 return brain;
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130 }
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131
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132 int dsync_brain_deinit(struct dsync_brain **_brain)
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133 {
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134 struct dsync_brain *brain = *_brain;
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135 int ret;
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136
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137 *_brain = NULL;
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138
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139 if (dsync_ibc_has_failed(brain->ibc) ||
14584
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parents: 14253
diff changeset
140 brain->state != DSYNC_STATE_DONE)
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
141 brain->failed = TRUE;
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
142
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
143 if (brain->box != NULL)
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
144 dsync_brain_sync_mailbox_deinit(brain);
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
145 if (brain->local_tree_iter != NULL)
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
146 dsync_mailbox_tree_iter_deinit(&brain->local_tree_iter);
15232
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
Timo Sirainen <tss@iki.fi>
parents: 15231
diff changeset
147 if (brain->mailbox_states_iter != NULL)
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
Timo Sirainen <tss@iki.fi>
parents: 15231
diff changeset
148 hash_table_iterate_deinit(&brain->mailbox_states_iter);
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
Timo Sirainen <tss@iki.fi>
parents: 15231
diff changeset
149 hash_table_destroy(&brain->mailbox_states);
14584
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
150
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
151 ret = brain->failed ? -1 : 0;
b2076acc3715 Initial version of dsync rewrite.
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parents: 14253
diff changeset
152 pool_unref(&brain->pool);
9559
34eef8a2716b dsync: Initial implementation.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
153 return ret;
34eef8a2716b dsync: Initial implementation.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
154 }
34eef8a2716b dsync: Initial implementation.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
155
14584
b2076acc3715 Initial version of dsync rewrite.
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parents: 14253
diff changeset
156 static bool dsync_brain_slave_recv_handshake(struct dsync_brain *brain)
9559
34eef8a2716b dsync: Initial implementation.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
157 {
15037
920756cd29b8 dsync: Renamed "slave" to "ibc" (= inter-brain communicator)
Timo Sirainen <tss@iki.fi>
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diff changeset
158 const struct dsync_ibc_settings *ibc_set;
9559
34eef8a2716b dsync: Initial implementation.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
159
14584
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parents: 14253
diff changeset
160 i_assert(!brain->master_brain);
9559
34eef8a2716b dsync: Initial implementation.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
161
15037
920756cd29b8 dsync: Renamed "slave" to "ibc" (= inter-brain communicator)
Timo Sirainen <tss@iki.fi>
parents: 14939
diff changeset
162 if (dsync_ibc_recv_handshake(brain->ibc, &ibc_set) == 0)
14584
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
163 return FALSE;
10331
b5b253d35612 dsync: Fixed subscription syncing to work with namespace prefixes.
Timo Sirainen <tss@iki.fi>
parents: 10328
diff changeset
164
15037
920756cd29b8 dsync: Renamed "slave" to "ibc" (= inter-brain communicator)
Timo Sirainen <tss@iki.fi>
parents: 14939
diff changeset
165 if (ibc_set->sync_ns_prefix != NULL) {
14584
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
166 brain->sync_ns = mail_namespace_find(brain->user->namespaces,
15037
920756cd29b8 dsync: Renamed "slave" to "ibc" (= inter-brain communicator)
Timo Sirainen <tss@iki.fi>
parents: 14939
diff changeset
167 ibc_set->sync_ns_prefix);
11676
cf7f6912af02 dsync: Added backup command, which syncs source to destination, discarding any changes in dest.
Timo Sirainen <tss@iki.fi>
parents: 11524
diff changeset
168 }
14584
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
169 i_assert(brain->sync_type == DSYNC_BRAIN_SYNC_TYPE_UNKNOWN);
15037
920756cd29b8 dsync: Renamed "slave" to "ibc" (= inter-brain communicator)
Timo Sirainen <tss@iki.fi>
parents: 14939
diff changeset
170 brain->sync_type = ibc_set->sync_type;
15231
454d0563927d doveadm: "backup" command is working again.
Timo Sirainen <tss@iki.fi>
parents: 15037
diff changeset
171 dsync_brain_set_flags(brain, ibc_set->brain_flags);
11676
cf7f6912af02 dsync: Added backup command, which syncs source to destination, discarding any changes in dest.
Timo Sirainen <tss@iki.fi>
parents: 11524
diff changeset
172
14584
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
173 dsync_brain_mailbox_trees_init(brain);
11676
cf7f6912af02 dsync: Added backup command, which syncs source to destination, discarding any changes in dest.
Timo Sirainen <tss@iki.fi>
parents: 11524
diff changeset
174
14584
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
175 if (brain->sync_type == DSYNC_BRAIN_SYNC_TYPE_STATE)
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
176 brain->state = DSYNC_STATE_SLAVE_RECV_LAST_COMMON;
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
177 else
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
178 brain->state = DSYNC_STATE_SEND_MAILBOX_TREE;
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
179 return TRUE;
11727
42dfcf9c896b dsync backup: Fail if it looks like backup is running in wrong direction.
Timo Sirainen <tss@iki.fi>
parents: 11688
diff changeset
180 }
42dfcf9c896b dsync backup: Fail if it looks like backup is running in wrong direction.
Timo Sirainen <tss@iki.fi>
parents: 11688
diff changeset
181
14584
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
182 static void dsync_brain_master_send_last_common(struct dsync_brain *brain)
9559
34eef8a2716b dsync: Initial implementation.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
183 {
15232
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
Timo Sirainen <tss@iki.fi>
parents: 15231
diff changeset
184 struct dsync_mailbox_state *state;
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
Timo Sirainen <tss@iki.fi>
parents: 15231
diff changeset
185 uint8_t *guid;
15037
920756cd29b8 dsync: Renamed "slave" to "ibc" (= inter-brain communicator)
Timo Sirainen <tss@iki.fi>
parents: 14939
diff changeset
186 enum dsync_ibc_send_ret ret = DSYNC_IBC_SEND_RET_OK;
11727
42dfcf9c896b dsync backup: Fail if it looks like backup is running in wrong direction.
Timo Sirainen <tss@iki.fi>
parents: 11688
diff changeset
187
14584
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
188 i_assert(brain->master_brain);
9736
d9a96da46d4a dsync: Lots of updates and fixes.
Timo Sirainen <tss@iki.fi>
parents: 9686
diff changeset
189
15232
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
Timo Sirainen <tss@iki.fi>
parents: 15231
diff changeset
190 if (brain->mailbox_states_iter == NULL) {
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
Timo Sirainen <tss@iki.fi>
parents: 15231
diff changeset
191 brain->mailbox_states_iter =
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
Timo Sirainen <tss@iki.fi>
parents: 15231
diff changeset
192 hash_table_iterate_init(brain->mailbox_states);
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
Timo Sirainen <tss@iki.fi>
parents: 15231
diff changeset
193 }
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
Timo Sirainen <tss@iki.fi>
parents: 15231
diff changeset
194
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
Timo Sirainen <tss@iki.fi>
parents: 15231
diff changeset
195 for (;;) {
15037
920756cd29b8 dsync: Renamed "slave" to "ibc" (= inter-brain communicator)
Timo Sirainen <tss@iki.fi>
parents: 14939
diff changeset
196 if (ret == DSYNC_IBC_SEND_RET_FULL)
14584
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
197 return;
15232
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
Timo Sirainen <tss@iki.fi>
parents: 15231
diff changeset
198 if (!hash_table_iterate(brain->mailbox_states_iter,
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
Timo Sirainen <tss@iki.fi>
parents: 15231
diff changeset
199 brain->mailbox_states, &guid, &state))
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
Timo Sirainen <tss@iki.fi>
parents: 15231
diff changeset
200 break;
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
Timo Sirainen <tss@iki.fi>
parents: 15231
diff changeset
201 ret = dsync_ibc_send_mailbox_state(brain->ibc, state);
9638
b11a3eda2477 dsync: Use expunged messages' GUIDs to determine what to do with missing messages at end of mailbox.
Timo Sirainen <tss@iki.fi>
parents: 9592
diff changeset
202 }
15232
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
Timo Sirainen <tss@iki.fi>
parents: 15231
diff changeset
203 hash_table_iterate_deinit(&brain->mailbox_states_iter);
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
Timo Sirainen <tss@iki.fi>
parents: 15231
diff changeset
204
15037
920756cd29b8 dsync: Renamed "slave" to "ibc" (= inter-brain communicator)
Timo Sirainen <tss@iki.fi>
parents: 14939
diff changeset
205 dsync_ibc_send_end_of_list(brain->ibc);
14584
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
206 brain->state = DSYNC_STATE_SEND_MAILBOX_TREE;
15232
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
Timo Sirainen <tss@iki.fi>
parents: 15231
diff changeset
207 }
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
Timo Sirainen <tss@iki.fi>
parents: 15231
diff changeset
208
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
Timo Sirainen <tss@iki.fi>
parents: 15231
diff changeset
209 static void dsync_mailbox_state_add(struct dsync_brain *brain,
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
Timo Sirainen <tss@iki.fi>
parents: 15231
diff changeset
210 const struct dsync_mailbox_state *state)
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
Timo Sirainen <tss@iki.fi>
parents: 15231
diff changeset
211 {
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
Timo Sirainen <tss@iki.fi>
parents: 15231
diff changeset
212 struct dsync_mailbox_state *dupstate;
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
Timo Sirainen <tss@iki.fi>
parents: 15231
diff changeset
213 uint8_t *guid_p;
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
Timo Sirainen <tss@iki.fi>
parents: 15231
diff changeset
214
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
Timo Sirainen <tss@iki.fi>
parents: 15231
diff changeset
215 dupstate = p_new(brain->pool, struct dsync_mailbox_state, 1);
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
Timo Sirainen <tss@iki.fi>
parents: 15231
diff changeset
216 *dupstate = *state;
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
Timo Sirainen <tss@iki.fi>
parents: 15231
diff changeset
217 guid_p = dupstate->mailbox_guid;
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
Timo Sirainen <tss@iki.fi>
parents: 15231
diff changeset
218 hash_table_insert(brain->mailbox_states, guid_p, dupstate);
11524
c955d4789553 dsync: Fixed syncing \noselect mailboxes.
Timo Sirainen <tss@iki.fi>
parents: 10976
diff changeset
219 }
c955d4789553 dsync: Fixed syncing \noselect mailboxes.
Timo Sirainen <tss@iki.fi>
parents: 10976
diff changeset
220
14584
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
221 static bool dsync_brain_slave_recv_last_common(struct dsync_brain *brain)
10328
b63fd6156663 dsync: Added support for subscription syncing.
Timo Sirainen <tss@iki.fi>
parents: 10323
diff changeset
222 {
14584
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
223 struct dsync_mailbox_state state;
15037
920756cd29b8 dsync: Renamed "slave" to "ibc" (= inter-brain communicator)
Timo Sirainen <tss@iki.fi>
parents: 14939
diff changeset
224 enum dsync_ibc_recv_ret ret;
14584
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
225 bool changed = FALSE;
10328
b63fd6156663 dsync: Added support for subscription syncing.
Timo Sirainen <tss@iki.fi>
parents: 10323
diff changeset
226
14584
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
227 i_assert(!brain->master_brain);
10328
b63fd6156663 dsync: Added support for subscription syncing.
Timo Sirainen <tss@iki.fi>
parents: 10323
diff changeset
228
15037
920756cd29b8 dsync: Renamed "slave" to "ibc" (= inter-brain communicator)
Timo Sirainen <tss@iki.fi>
parents: 14939
diff changeset
229 while ((ret = dsync_ibc_recv_mailbox_state(brain->ibc, &state)) > 0) {
15232
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
Timo Sirainen <tss@iki.fi>
parents: 15231
diff changeset
230 dsync_mailbox_state_add(brain, &state);
14584
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
231 changed = TRUE;
10328
b63fd6156663 dsync: Added support for subscription syncing.
Timo Sirainen <tss@iki.fi>
parents: 10323
diff changeset
232 }
15037
920756cd29b8 dsync: Renamed "slave" to "ibc" (= inter-brain communicator)
Timo Sirainen <tss@iki.fi>
parents: 14939
diff changeset
233 if (ret == DSYNC_IBC_RECV_RET_FINISHED) {
14584
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
234 brain->state = DSYNC_STATE_SEND_MAILBOX_TREE;
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
235 changed = TRUE;
9736
d9a96da46d4a dsync: Lots of updates and fixes.
Timo Sirainen <tss@iki.fi>
parents: 9686
diff changeset
236 }
14584
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
237 return changed;
10371
b99a19d5a93c dsync: Sync mailbox renames.
Timo Sirainen <tss@iki.fi>
parents: 10368
diff changeset
238 }
b99a19d5a93c dsync: Sync mailbox renames.
Timo Sirainen <tss@iki.fi>
parents: 10368
diff changeset
239
14584
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
240 static bool dsync_brain_run_real(struct dsync_brain *brain, bool *changed_r)
9639
ffda7bd92ebc dsync: Skip syncing mailboxes whose uidvalidity/uidnext/highest-modseq hasn't changed.
Timo Sirainen <tss@iki.fi>
parents: 9638
diff changeset
241 {
14584
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
242 bool changed = FALSE, ret = TRUE;
9639
ffda7bd92ebc dsync: Skip syncing mailboxes whose uidvalidity/uidnext/highest-modseq hasn't changed.
Timo Sirainen <tss@iki.fi>
parents: 9638
diff changeset
243
14584
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
244 if (brain->failed)
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
245 return FALSE;
9686
4d5cc6ce68aa dsync: Lots of improvements and fixes. Appears to be somewhat working now.
Timo Sirainen <tss@iki.fi>
parents: 9644
diff changeset
246
14584
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
247 switch (brain->state) {
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
248 case DSYNC_STATE_SLAVE_RECV_HANDSHAKE:
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
249 changed = dsync_brain_slave_recv_handshake(brain);
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
250 break;
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
251 case DSYNC_STATE_MASTER_SEND_LAST_COMMON:
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
252 dsync_brain_master_send_last_common(brain);
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
253 changed = TRUE;
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
254 break;
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
255 case DSYNC_STATE_SLAVE_RECV_LAST_COMMON:
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
256 changed = dsync_brain_slave_recv_last_common(brain);
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
257 break;
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
258 case DSYNC_STATE_SEND_MAILBOX_TREE:
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
259 dsync_brain_send_mailbox_tree(brain);
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
260 changed = TRUE;
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
261 break;
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
262 case DSYNC_STATE_RECV_MAILBOX_TREE:
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
263 changed = dsync_brain_recv_mailbox_tree(brain);
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
264 break;
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
265 case DSYNC_STATE_SEND_MAILBOX_TREE_DELETES:
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
266 dsync_brain_send_mailbox_tree_deletes(brain);
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
267 changed = TRUE;
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
268 break;
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
269 case DSYNC_STATE_RECV_MAILBOX_TREE_DELETES:
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
270 changed = dsync_brain_recv_mailbox_tree_deletes(brain);
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
271 break;
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
272 case DSYNC_STATE_MASTER_SEND_MAILBOX:
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
273 dsync_brain_master_send_mailbox(brain);
b2076acc3715 Initial version of dsync rewrite.
Timo Sirainen <tss@iki.fi>
parents: 14253
diff changeset
274 changed = TRUE;
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275 break;
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276 case DSYNC_STATE_SLAVE_RECV_MAILBOX:
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277 changed = dsync_brain_slave_recv_mailbox(brain);
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278 break;
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279 case DSYNC_STATE_SYNC_MAILS:
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280 changed = dsync_brain_sync_mails(brain);
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281 break;
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282 case DSYNC_STATE_DONE:
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283 changed = TRUE;
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284 ret = FALSE;
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285 break;
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ffda7bd92ebc dsync: Skip syncing mailboxes whose uidvalidity/uidnext/highest-modseq hasn't changed.
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286 }
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d9a96da46d4a dsync: Lots of updates and fixes.
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287
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288 *changed_r = changed;
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289 return brain->failed ? FALSE : ret;
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b99a19d5a93c dsync: Sync mailbox renames.
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290 }
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291
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292 bool dsync_brain_run(struct dsync_brain *brain, bool *changed_r)
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293 {
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294 bool ret;
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036db604f86c dsync: Fixed problems with syncing mailbox names that are invalid on other side.
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295
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296 *changed_r = FALSE;
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297
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920756cd29b8 dsync: Renamed "slave" to "ibc" (= inter-brain communicator)
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298 if (dsync_ibc_has_failed(brain->ibc)) {
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299 brain->failed = TRUE;
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300 return FALSE;
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6ef21adeb61d dsync: If worker fails, abort earlier.
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301 }
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302
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303 T_BEGIN {
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304 ret = dsync_brain_run_real(brain, changed_r);
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305 } T_END;
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306 if (!brain->failed)
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307 dsync_ibc_flush(brain->ibc);
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308 return ret;
10368
9f2e8d230bd5 dsync: If some uid/modseq changes couldn't be done, exit with different value.
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309 }
12124
eb5adb193064 dsync: Don't crash/hang if syncing fails before ioloop is started.
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310
15232
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
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311 void dsync_brain_get_state(struct dsync_brain *brain, string_t *output)
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
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312 {
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313 struct hash_iterate_context *iter;
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314 struct dsync_mailbox_node *node;
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315 const struct dsync_mailbox_state *new_state;
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316 struct dsync_mailbox_state *state;
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317 const uint8_t *guid_p;
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318 uint8_t *guid;
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319
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320 /* update mailbox states */
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321 array_foreach(&brain->remote_mailbox_states, new_state) {
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322 guid_p = new_state->mailbox_guid;
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323 state = hash_table_lookup(brain->mailbox_states, guid_p);
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324 if (state != NULL)
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325 *state = *new_state;
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326 else
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327 dsync_mailbox_state_add(brain, new_state);
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328 }
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
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329
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330 /* remove nonexistent mailboxes */
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331 iter = hash_table_iterate_init(brain->mailbox_states);
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diff changeset
332 while (hash_table_iterate(iter, brain->mailbox_states, &guid, &state)) {
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
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333 node = dsync_mailbox_tree_lookup_guid(brain->local_mailbox_tree,
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diff changeset
334 guid);
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335 if (node == NULL ||
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336 node->existence != DSYNC_MAILBOX_NODE_EXISTS)
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diff changeset
337 hash_table_remove(brain->mailbox_states, guid);
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
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338 }
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
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339 hash_table_iterate_deinit(&iter);
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
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diff changeset
340
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
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341 dsync_mailbox_states_export(brain->mailbox_states, output);
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
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diff changeset
342 }
6c850258002f doveadm sync/backup: Added -s <state> parameter to do a fast stateful sync.
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diff changeset
343
12124
eb5adb193064 dsync: Don't crash/hang if syncing fails before ioloop is started.
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diff changeset
344 bool dsync_brain_has_failed(struct dsync_brain *brain)
eb5adb193064 dsync: Don't crash/hang if syncing fails before ioloop is started.
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diff changeset
345 {
14584
b2076acc3715 Initial version of dsync rewrite.
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346 return brain->failed;
12124
eb5adb193064 dsync: Don't crash/hang if syncing fails before ioloop is started.
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diff changeset
347 }