Mercurial > dovecot > core-2.2

annotate src/indexer/indexer.c @ 21390:2e2563132d5f

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Updated copyright notices to include the year 2017.
author Stephan Bosch <stephan.bosch@dovecot.fi>
date Wed, 11 Jan 2017 02:51:13 +0100
parents 0f22db71df7a
children e74e1269959f
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21390
2e2563132d5f Updated copyright notices to include the year 2017.
Stephan Bosch <stephan.bosch@dovecot.fi>
parents: 19552
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1 /* Copyright (c) 2011-2017 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 "restrict-access.h"
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5 #include "process-title.h"
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6 #include "master-service.h"
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7 #include "master-service-settings.h"
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8 #include "indexer-client.h"
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9 #include "indexer-queue.h"
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10 #include "worker-pool.h"
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11 #include "worker-connection.h"
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12
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13 struct worker_request {
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14 struct worker_connection *conn;
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15 struct indexer_request *request;
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16 };
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17
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18 static const struct master_service_settings *set;
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19 static struct indexer_queue *queue;
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20 static struct worker_pool *worker_pool;
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21
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22 void indexer_refresh_proctitle(void)
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23 {
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24 if (!set->verbose_proctitle)
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25 return;
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26
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27 process_title_set(t_strdup_printf("[%u clients, %u requests]",
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28 indexer_clients_get_count(),
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29 indexer_queue_count(queue)));
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30 }
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31
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32 static bool idle_die(void)
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33 {
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34 return indexer_queue_is_empty(queue) &&
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35 !worker_pool_have_busy_connections(worker_pool);
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36 }
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37
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38 static void client_connected(struct master_service_connection *conn)
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39 {
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40 master_service_client_connection_accept(conn);
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41 (void)indexer_client_create(conn->fd, queue);
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42 }
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43
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44 static void worker_send_request(struct worker_connection *conn,
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45 struct indexer_request *request)
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46 {
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47 struct worker_request *wrequest;
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48
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49 wrequest = i_new(struct worker_request, 1);
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50 wrequest->conn = conn;
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51 wrequest->request = request;
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52
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53 indexer_queue_request_work(request);
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54 worker_connection_request(conn, request, wrequest);
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55 }
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56
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57 static void queue_try_send_more(struct indexer_queue *queue)
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58 {
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59 struct worker_connection *conn;
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60 struct indexer_request *request;
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61
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62 while ((request = indexer_queue_request_peek(queue)) != NULL) {
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63 conn = worker_pool_find_username_connection(worker_pool,
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64 request->username);
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65 if (conn != NULL) {
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66 /* there is already a worker handling this user.
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67 it must be the one doing the indexing. use the same
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68 connection for sending this next request. */
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69 } else {
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70 /* try to find an empty worker */
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71 if (!worker_pool_get_connection(worker_pool, &conn))
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72 break;
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73 }
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74 indexer_queue_request_remove(queue);
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75 worker_send_request(conn, request);
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76 }
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77 }
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78
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79 static void queue_listen_callback(struct indexer_queue *queue)
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80 {
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81 queue_try_send_more(queue);
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82 }
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83
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84 static void worker_status_callback(int percentage, void *context)
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85 {
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86 struct worker_request *request = context;
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87
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88 if (percentage >= 0 && percentage < 100) {
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89 indexer_queue_request_status(queue, request->request,
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90 percentage);
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91 return;
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92 }
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93
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94 indexer_queue_request_finish(queue, &request->request,
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95 percentage == 100);
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96 if (worker_pool != NULL) /* not in deinit */
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97 worker_pool_release_connection(worker_pool, request->conn);
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98 i_free(request);
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99
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100 /* if this was the last request for the connection, we can send more
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101 through it */
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102 queue_try_send_more(queue);
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103 }
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104
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105 int main(int argc, char *argv[])
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106 {
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107 const char *error;
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108
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109 master_service = master_service_init("indexer", 0, &argc, &argv, "");
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110 if (master_getopt(master_service) > 0)
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111 return FATAL_DEFAULT;
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112
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113 if (master_service_settings_read_simple(master_service, NULL,
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114 &error) < 0)
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115 i_fatal("Error reading configuration: %s", error);
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116 set = master_service_settings_get(master_service);
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117
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118 master_service_init_log(master_service, "indexer: ");
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119 restrict_access_by_env(NULL, FALSE);
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120 restrict_access_allow_coredumps(TRUE);
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121 master_service_set_idle_die_callback(master_service, idle_die);
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122
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123 queue = indexer_queue_init(indexer_client_status_callback);
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124 indexer_queue_set_listen_callback(queue, queue_listen_callback);
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125 worker_pool = worker_pool_init("indexer-worker",
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126 worker_status_callback);
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754d244b8249 Call master_service_init_finish() only after all of the initialization is done.
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parents: 15715
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127 master_service_init_finish(master_service);
13084
0faaceb2f83c Added "indexer" service, which uses worker processes to perform queued mailbox indexing.
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parents:
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128
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parents:
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129 master_service_run(master_service, client_connected);
0faaceb2f83c Added "indexer" service, which uses worker processes to perform queued mailbox indexing.
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parents:
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130
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parents:
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131 indexer_queue_cancel_all(queue);
0faaceb2f83c Added "indexer" service, which uses worker processes to perform queued mailbox indexing.
Timo Sirainen <tss@iki.fi>
parents:
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132 indexer_clients_destroy_all();
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513ec6bf3fab indexer: Deinitialize without crashing when there are requests.
Timo Sirainen <tss@iki.fi>
parents: 13199
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133 worker_pool_deinit(&worker_pool);
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0faaceb2f83c Added "indexer" service, which uses worker processes to perform queued mailbox indexing.
Timo Sirainen <tss@iki.fi>
parents:
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134 indexer_queue_deinit(&queue);
0faaceb2f83c Added "indexer" service, which uses worker processes to perform queued mailbox indexing.
Timo Sirainen <tss@iki.fi>
parents:
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135
0faaceb2f83c Added "indexer" service, which uses worker processes to perform queued mailbox indexing.
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parents:
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136 master_service_deinit(&master_service);
0faaceb2f83c Added "indexer" service, which uses worker processes to perform queued mailbox indexing.
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parents:
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137 return 0;
0faaceb2f83c Added "indexer" service, which uses worker processes to perform queued mailbox indexing.
Timo Sirainen <tss@iki.fi>
parents:
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138 }