Mercurial > dovecot > core-2.2

annotate src/plugins/push-notification/push-notification-plugin.c @ 22713:cb108f786fb4

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Updated copyright notices to include the year 2018.
author Stephan Bosch <stephan.bosch@dovecot.fi>
date Mon, 01 Jan 2018 22:42:08 +0100
parents 55bd9d8ca7ce
children
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rev   line source
22713
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Stephan Bosch <stephan.bosch@dovecot.fi>
parents: 22419
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1 /* Copyright (c) 2015-2018 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 "ioloop.h"
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6 #include "mail-namespace.h"
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7 #include "mail-storage.h"
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8 #include "mail-storage-private.h"
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9 #include "notify-plugin.h"
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10 #include "str.h"
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11
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12 #include "push-notification-drivers.h"
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13 #include "push-notification-events.h"
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14 #include "push-notification-events-rfc5423.h"
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15 #include "push-notification-plugin.h"
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16 #include "push-notification-triggers.h"
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17 #include "push-notification-txn-mbox.h"
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18 #include "push-notification-txn-msg.h"
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19
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20
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21 #define PUSH_NOTIFICATION_CONFIG "push_notification_driver"
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22 #define PUSH_NOTIFICATION_CONFIG_OLD "push_notification_backend"
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23
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24 #define PUSH_NOTIFICATION_USER_CONTEXT(obj) \
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25 MODULE_CONTEXT(obj, push_notification_user_module)
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26 static MODULE_CONTEXT_DEFINE_INIT(push_notification_user_module,
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27 &mail_user_module_register);
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28 static struct ioloop *main_ioloop;
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29
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30 static void
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31 push_notification_transaction_init(struct push_notification_txn *ptxn)
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32 {
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33 struct push_notification_driver_txn *dtxn;
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34 struct push_notification_driver_user **duser;
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35 struct mail_storage *storage;
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36
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37 if (ptxn->initialized) {
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38 return;
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39 }
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40
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41 ptxn->initialized = TRUE;
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42
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43 storage = mailbox_get_storage(ptxn->mbox);
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44 if (storage->user->autocreated &&
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45 (strcmp(storage->name, "raw") == 0)) {
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46 /* no notifications for autocreated raw users */
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47 return;
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48 }
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49
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50 array_foreach_modifiable(&ptxn->puser->driverlist->drivers, duser) {
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51 dtxn = p_new(ptxn->pool, struct push_notification_driver_txn, 1);
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52 dtxn->duser = *duser;
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53 dtxn->ptxn = ptxn;
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54
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55 if ((dtxn->duser->driver->v.begin_txn == NULL) ||
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56 dtxn->duser->driver->v.begin_txn(dtxn)) {
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57 array_append(&ptxn->drivers, &dtxn, 1);
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58 }
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59 }
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60 }
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61
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62 static struct push_notification_txn *
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63 push_notification_transaction_create(struct mailbox *box,
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64 struct mailbox_transaction_context *t)
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65 {
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66 pool_t pool;
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67 struct push_notification_txn *ptxn;
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68 struct mail_storage *storage;
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69
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70 pool = pool_alloconly_create("push notification transaction", 2048);
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71
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72 ptxn = p_new(pool, struct push_notification_txn, 1);
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73 ptxn->mbox = box;
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74 storage = mailbox_get_storage(box);
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75 ptxn->muser = mail_storage_get_user(storage);
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76 ptxn->pool = pool;
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77 ptxn->puser = PUSH_NOTIFICATION_USER_CONTEXT(ptxn->muser);
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78 ptxn->t = t;
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79 ptxn->trigger = PUSH_NOTIFICATION_EVENT_TRIGGER_NONE;
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80
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81 p_array_init(&ptxn->drivers, pool, 4);
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82
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83 return ptxn;
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84 }
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85
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86 static void push_notification_transaction_end
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87 (struct push_notification_txn *ptxn, bool success)
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88 {
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89 struct push_notification_driver_txn **dtxn;
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90
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91 if (ptxn->initialized) {
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92 array_foreach_modifiable(&ptxn->drivers, dtxn) {
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93 if ((*dtxn)->duser->driver->v.end_txn != NULL) {
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94 (*dtxn)->duser->driver->v.end_txn(*dtxn, success);
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95 }
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96 }
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97 }
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98
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99 pool_unref(&ptxn->pool);
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100 }
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101
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102 static void push_notification_transaction_commit
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103 (void *txn, struct mail_transaction_commit_changes *changes)
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104 {
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105 struct push_notification_txn *ptxn = (struct push_notification_txn *)txn;
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106 struct ioloop *prev_ioloop = current_ioloop;
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107
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108 /* Make sure we're not in just any random ioloop, which could get
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109 destroyed soon. This way the push-notification drivers can do async
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110 operations that finish in the main ioloop. */
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111 io_loop_set_current(main_ioloop);
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112 if (changes == NULL) {
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113 push_notification_txn_mbox_end(ptxn);
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114 } else {
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115 push_notification_txn_msg_end(ptxn, changes);
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116 }
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117
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118 push_notification_transaction_end(ptxn, TRUE);
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119 io_loop_set_current(prev_ioloop);
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120 }
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121
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122 static void push_notification_mailbox_create(struct mailbox *box)
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123 {
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124 struct push_notification_txn *ptxn;
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125
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126 ptxn = push_notification_transaction_create(box, NULL);
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127 push_notification_trigger_mbox_create(ptxn, box, NULL);
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128 push_notification_transaction_commit(ptxn, NULL);
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129 }
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130
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131 static void push_notification_mailbox_delete(void *txn ATTR_UNUSED,
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132 struct mailbox *box)
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133 {
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134 struct push_notification_txn *ptxn;
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135
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136 ptxn = push_notification_transaction_create(box, NULL);
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137 push_notification_trigger_mbox_delete(ptxn, box, NULL);
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138 push_notification_transaction_commit(ptxn, NULL);
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139 }
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140
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141 static void push_notification_mailbox_rename(struct mailbox *src,
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142 struct mailbox *dest)
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143 {
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144 struct push_notification_txn *ptxn;
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145
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146 ptxn = push_notification_transaction_create(dest, NULL);
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147 push_notification_trigger_mbox_rename(ptxn, src, dest, NULL);
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148 push_notification_transaction_commit(ptxn, NULL);
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149 }
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150
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151 static void push_notification_mailbox_subscribe(struct mailbox *box,
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152 bool subscribed)
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153 {
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154 struct push_notification_txn *ptxn;
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155
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156 ptxn = push_notification_transaction_create(box, NULL);
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157 push_notification_trigger_mbox_subscribe(ptxn, box, subscribed, NULL);
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158 push_notification_transaction_commit(ptxn, NULL);
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159 }
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160
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161 static void push_notification_mail_save(void *txn, struct mail *mail)
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162 {
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163 struct push_notification_txn *ptxn = txn;
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164
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165 push_notification_transaction_init(ptxn);
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166
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167 /* POST_SESSION means MTA delivery. */
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168 if (mail->box->flags & MAILBOX_FLAG_POST_SESSION) {
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169 push_notification_trigger_msg_save_new(ptxn, mail, NULL);
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170 } else {
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171 push_notification_trigger_msg_save_append(ptxn, mail, NULL);
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172 }
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173 }
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174
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175 static void push_notification_mail_copy(void *txn,
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176 struct mail *src ATTR_UNUSED,
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177 struct mail *dest)
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178 {
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179 push_notification_mail_save(txn, dest);
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180 }
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181
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182 static void push_notification_mail_expunge(void *txn, struct mail *mail)
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183 {
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184 struct push_notification_txn *ptxn = txn;
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185
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186 push_notification_transaction_init(ptxn);
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187 push_notification_trigger_msg_save_expunge(txn, mail, NULL);
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188 }
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189
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190 static void
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191 push_notification_mail_update_flags(void *txn, struct mail *mail,
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diff changeset
192 enum mail_flags old_flags)
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193 {
19263
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194 struct push_notification_txn *ptxn = txn;
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195
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196 push_notification_transaction_init(ptxn);
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197 push_notification_trigger_msg_flag_change(txn, mail, NULL, old_flags);
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198 }
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199
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diff changeset
200 static void
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diff changeset
201 push_notification_mail_update_keywords(void *txn, struct mail *mail,
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parents:
diff changeset
202 const char *const *old_keywords)
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203 {
19263
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diff changeset
204 struct push_notification_txn *ptxn = txn;
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205
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diff changeset
206 push_notification_transaction_init(ptxn);
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diff changeset
207 push_notification_trigger_msg_keyword_change(txn, mail, NULL, old_keywords);
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208 }
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209
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parents:
diff changeset
210 static void *
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parents:
diff changeset
211 push_notification_transaction_begin(struct mailbox_transaction_context *t)
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parents:
diff changeset
212 {
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diff changeset
213 return push_notification_transaction_create(mailbox_transaction_get_mailbox(t), t);
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214 }
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diff changeset
215
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diff changeset
216 static void push_notification_transaction_rollback(void *txn)
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parents:
diff changeset
217 {
19263
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diff changeset
218 struct push_notification_txn *ptxn = txn;
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219
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diff changeset
220 push_notification_transaction_end(ptxn, FALSE);
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221 }
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222
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diff changeset
223 static void
19264
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parents: 19263
diff changeset
224 push_notification_config_init(const char *config_name,
19270
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parents: 19269
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225 struct mail_user *user,
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diff changeset
226 struct push_notification_driver_list *dlist)
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227 {
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228 struct push_notification_driver_user *duser;
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diff changeset
229 const char *env;
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parents:
diff changeset
230 unsigned int i;
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diff changeset
231 string_t *root_name;
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parents:
diff changeset
232
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parents:
diff changeset
233 root_name = t_str_new(32);
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parents:
diff changeset
234 str_append(root_name, config_name);
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parents:
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235
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parents:
diff changeset
236 for (i = 2;; i++) {
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parents:
diff changeset
237 env = mail_user_plugin_getenv(user, str_c(root_name));
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parents:
diff changeset
238 if ((env == NULL) || (*env == '\0')) {
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parents:
diff changeset
239 break;
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parents:
diff changeset
240 }
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parents:
diff changeset
241
19269
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Timo Sirainen <tss@iki.fi>
parents: 19268
diff changeset
242 if (push_notification_driver_init(user, env, user->pool, &duser) < 0) {
19189
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parents:
diff changeset
243 break;
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parents:
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244 }
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parents:
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245
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parents:
diff changeset
246 // Add driver.
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diff changeset
247 array_append(&dlist->drivers, &duser, 1);
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parents:
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248
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Michael M Slusarz <michael.slusarz@dovecot.fi>
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diff changeset
249 str_truncate(root_name, strlen(config_name));
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Michael M Slusarz <michael.slusarz@dovecot.fi>
parents:
diff changeset
250 str_printfa(root_name, "%d", i);
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Michael M Slusarz <michael.slusarz@dovecot.fi>
parents:
diff changeset
251 }
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parents:
diff changeset
252 }
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parents:
diff changeset
253
19269
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Timo Sirainen <tss@iki.fi>
parents: 19268
diff changeset
254 static struct push_notification_driver_list *
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parents: 19268
diff changeset
255 push_notification_driver_list_init(struct mail_user *user)
19189
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parents:
diff changeset
256 {
19269
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parents: 19268
diff changeset
257 struct push_notification_driver_list *dlist;
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parents:
diff changeset
258
19269
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parents: 19268
diff changeset
259 dlist = p_new(user->pool, struct push_notification_driver_list, 1);
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parents: 19268
diff changeset
260 p_array_init(&dlist->drivers, user->pool, 4);
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parents:
diff changeset
261
19264
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Michael Slusarz <michael.slusarz@dovecot.fi>
parents: 19263
diff changeset
262 push_notification_config_init(PUSH_NOTIFICATION_CONFIG, user, dlist);
19189
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parents:
diff changeset
263
19264
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Michael Slusarz <michael.slusarz@dovecot.fi>
parents: 19263
diff changeset
264 if (array_is_empty(&dlist->drivers)) {
19189
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parents:
diff changeset
265 /* Support old configuration (it was available at time initial OX
19264
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Michael Slusarz <michael.slusarz@dovecot.fi>
parents: 19263
diff changeset
266 * driver was first released). */
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267 push_notification_config_init(PUSH_NOTIFICATION_CONFIG_OLD, user,
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268 dlist);
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269 }
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270 return dlist;
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271 }
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272
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273 static void push_notification_user_deinit(struct mail_user *user)
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274 {
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275 struct push_notification_user *puser = PUSH_NOTIFICATION_USER_CONTEXT(user);
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276 struct push_notification_driver_list *dlist = puser->driverlist;
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277 struct push_notification_driver_user **duser;
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278 struct ioloop *prev_ioloop = current_ioloop;
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279
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280 /* Make sure we're in the main ioloop, so if the deinit/cleanup moves any
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281 I/Os or timeouts they won't get moved to some temporary ioloop. */
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282 io_loop_set_current(main_ioloop);
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283
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284 array_foreach_modifiable(&dlist->drivers, duser) {
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285 if ((*duser)->driver->v.deinit != NULL) {
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286 (*duser)->driver->v.deinit(*duser);
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287 }
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288
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289 if ((*duser)->driver->v.cleanup != NULL) {
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290 (*duser)->driver->v.cleanup();
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291 }
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292 }
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293 io_loop_set_current(prev_ioloop);
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294
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295 puser->module_ctx.super.deinit(user);
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296 }
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297
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298 static void push_notification_user_created(struct mail_user *user)
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299 {
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300 struct mail_user_vfuncs *v = user->vlast;
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301 struct push_notification_user *puser;
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302
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303 puser = p_new(user->pool, struct push_notification_user, 1);
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304 puser->module_ctx.super = *v;
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305 user->vlast = &puser->module_ctx.super;
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306 v->deinit = push_notification_user_deinit;
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307 puser->driverlist = push_notification_driver_list_init(user);
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308
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309 MODULE_CONTEXT_SET(user, push_notification_user_module, puser);
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310 }
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311
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312
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313 /* Plugin interface. */
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314
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315 const char *push_notification_plugin_version = DOVECOT_ABI_VERSION;
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316 const char *push_notification_plugin_dependencies[] = { "notify", NULL };
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317
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318 extern struct push_notification_driver push_notification_driver_dlog;
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319 extern struct push_notification_driver push_notification_driver_ox;
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320
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321 static struct notify_context *push_notification_ctx;
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322
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323 static const struct notify_vfuncs push_notification_vfuncs = {
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324 /* Mailbox Events */
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325 .mailbox_create = push_notification_mailbox_create,
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326 .mailbox_delete_commit = push_notification_mailbox_delete,
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327 .mailbox_rename = push_notification_mailbox_rename,
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328 .mailbox_set_subscribed = push_notification_mailbox_subscribe,
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329
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330 /* Mail Events */
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331 .mail_copy = push_notification_mail_copy,
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332 .mail_save = push_notification_mail_save,
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333 .mail_expunge = push_notification_mail_expunge,
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334 .mail_update_flags = push_notification_mail_update_flags,
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335 .mail_update_keywords = push_notification_mail_update_keywords,
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336 .mail_transaction_begin = push_notification_transaction_begin,
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337 .mail_transaction_commit = push_notification_transaction_commit,
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338 .mail_transaction_rollback = push_notification_transaction_rollback
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339 };
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340
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341 static struct mail_storage_hooks push_notification_storage_hooks = {
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342 .mail_user_created = push_notification_user_created
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343 };
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344
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345 void push_notification_plugin_init(struct module *module)
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346 {
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347 push_notification_ctx = notify_register(&push_notification_vfuncs);
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348 mail_storage_hooks_add(module, &push_notification_storage_hooks);
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349
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350 push_notification_driver_register(&push_notification_driver_dlog);
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351 push_notification_driver_register(&push_notification_driver_ox);
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352
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353 push_notification_event_register_rfc5423_events();
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354 main_ioloop = current_ioloop;
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355 i_assert(main_ioloop != NULL);
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356 }
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357
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358 void push_notification_plugin_deinit(void)
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359 {
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360 push_notification_driver_unregister(&push_notification_driver_dlog);
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361 push_notification_driver_unregister(&push_notification_driver_ox);
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362
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363 push_notification_event_unregister_rfc5423_events();
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364 mail_storage_hooks_remove(&push_notification_storage_hooks);
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365 notify_unregister(push_notification_ctx);
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366 }