client/ctsvc_client_service_helper.c

   1 /*
   2  * Contacts Service
   3  *
   4  * Copyright (c) 2010 - 2012 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Contact: Dohyung Jin <dh.jin@samsung.com>
   7  *                 Jongwon Lee <gogosing.lee@samsung.com>
   8  *                 Donghee Ye <donghee.ye@samsung.com>
   9  *
  10  * Licensed under the Apache License, Version 2.0 (the "License");
  11  * you may not use this file except in compliance with the License.
  12  * You may obtain a copy of the License at
  13  *
  14  * http://www.apache.org/licenses/LICENSE-2.0
  15  *
  16  * Unless required by applicable law or agreed to in writing, software
  17  * distributed under the License is distributed on an "AS IS" BASIS,
  18  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  19  * See the License for the specific language governing permissions and
  20  * limitations under the License.
  21  *
  22  */
  23 #include <errno.h>
  24 #include <sys/socket.h>
  25 #include <sys/un.h>
  26 #include <unistd.h>
  27
  28 #include "contacts.h"
  29 #include "ctsvc_internal.h"
  30 #include "ctsvc_socket.h"
  31 #include "ctsvc_mutex.h"
  32 #include "ctsvc_inotify.h"
  33 #include "ctsvc_client_ipc.h"
  34 #include "ctsvc_client_handle.h"
  35 #include "ctsvc_client_service_helper.h"
  36
  37 static int _ctsvc_connection = 0;
  38 static __thread int _ctsvc_connection_on_thread = 0;
  39
  40 int ctsvc_client_get_thread_connection_count()
  41 {
  42         return _ctsvc_connection_on_thread;
  43 }
  44
  45 int ctsvc_client_connect_with_flags(contacts_h contact, unsigned int flags)
  46 {
  47         CTS_FN_CALL;
  48         int ret = CONTACTS_ERROR_NONE;
  49
  50         /* If new flag is defined, errer check should be updated */
  51         RETVM_IF(flags & 0x11111110, CONTACTS_ERROR_INVALID_PARAMETER, "flags is invalid");
  52
  53         ret = ctsvc_client_connect(contact);
  54         if (ret == CONTACTS_ERROR_PERMISSION_DENIED)
  55                 return ret;
  56         else if (ret == CONTACTS_ERROR_NONE)
  57                 return ret;
  58
  59         if (flags & CONTACTS_CONNECT_FLAG_RETRY) {
  60                 int i;
  61                 int waiting_time = 500;
  62                 for (i=0;i<9;i++) {
  63                         usleep(waiting_time * 1000);
  64                         CTS_DBG("retry cnt=%d, ret=%x, %d",(i+1), ret, waiting_time);
  65                         ret = ctsvc_client_connect(contact);
  66                         if (ret == CONTACTS_ERROR_NONE)
  67                                 break;
  68                         if (6 < i)
  69                                 waiting_time += 30000;
  70                         else
  71                                 waiting_time *= 2;
  72                 }
  73         }
  74
  75         return ret;
  76 }
  77
  78 static void _ctsvc_ipc_disconnected_cb(void *user_data)
  79 {
  80         ctsvc_ipc_set_disconnected(true);
  81 }
  82
  83 static void _ctsvc_ipc_initialized_cb(void *user_data)
  84 {
  85         ctsvc_ipc_recovery();
  86         ctsvc_ipc_recover_for_change_subscription();
  87         ctsvc_ipc_set_disconnected(false);
  88 }
  89
  90 int ctsvc_client_connect(contacts_h contact)
  91 {
  92         CTS_FN_CALL;
  93         int ret;
  94         ctsvc_base_s *base = (ctsvc_base_s *)contact;
  95
  96         ctsvc_mutex_lock(CTS_MUTEX_CONNECTION);
  97         if (0 == base->connection_count) {
  98                 ret = ctsvc_ipc_connect(contact);
  99                 if (ret != CONTACTS_ERROR_NONE) {
 100                         CTS_ERR("ctsvc_ipc_connect() Fail(%d)", ret);
 101                         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 102                         return ret;
 103                 }
 104         }
 105         base->connection_count++;
 106
 107         if (0 == _ctsvc_connection) {
 108                 ret = ctsvc_socket_init();
 109                 if (ret != CONTACTS_ERROR_NONE) {
 110                         CTS_ERR("ctsvc_socket_init() Fail(%d)", ret);
 111                         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 112                         return ret;
 113                 }
 114
 115                 ret = ctsvc_inotify_init();
 116                 if (ret != CONTACTS_ERROR_NONE) {
 117                         CTS_ERR("ctsvc_inotify_init() Fail(%d)", ret);
 118                         ctsvc_socket_final();
 119                         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 120                         return ret;
 121                 }
 122                 ctsvc_view_uri_init();
 123                 ctsvc_ipc_create_for_change_subscription();
 124                 ctsvc_ipc_set_disconnected_cb(_ctsvc_ipc_disconnected_cb, NULL);
 125         }
 126         else
 127                 CTS_DBG("System : Contacts service has been already connected(%d)", _ctsvc_connection + 1);
 128
 129         if (1 == base->connection_count)
 130                 ctsvc_inotify_subscribe_ipc_ready(contact, _ctsvc_ipc_initialized_cb, NULL);
 131
 132         _ctsvc_connection++;
 133         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 134
 135         return CONTACTS_ERROR_NONE;
 136 }
 137
 138 int ctsvc_client_disconnect(contacts_h contact)
 139 {
 140         CTS_FN_CALL;
 141         int ret;
 142         ctsvc_mutex_lock(CTS_MUTEX_CONNECTION);
 143
 144         ctsvc_base_s *base = (ctsvc_base_s *)contact;
 145         if (1 == base->connection_count) {
 146                 ret = ctsvc_ipc_disconnect(contact, _ctsvc_connection);
 147                 if (ret != CONTACTS_ERROR_NONE) {
 148                         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 149                         CTS_ERR("ctsvc_ipc_disconnect() Fail(%d)", ret);
 150                         return ret;
 151                 }
 152                 ctsvc_inotify_unsubscribe_ipc_ready(contact);
 153                 ctsvc_client_handle_remove((contacts_h)base);
 154         }
 155         else {
 156                 base->connection_count--;
 157         }
 158
 159         if (1 == _ctsvc_connection) {
 160                 ctsvc_ipc_destroy_for_change_subscription();
 161                 ctsvc_view_uri_deinit();
 162                 ctsvc_inotify_close();
 163                 ctsvc_socket_final();
 164                 ctsvc_ipc_unset_disconnected_cb();
 165         }
 166         else if (1 < _ctsvc_connection)
 167                 CTS_DBG("System : connection count is %d", _ctsvc_connection);
 168         else {
 169                 CTS_DBG("System : please call contacts_connect(), connection count is (%d)", _ctsvc_connection);
 170                 ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 171                 return CONTACTS_ERROR_INVALID_PARAMETER;
 172         }
 173
 174         _ctsvc_connection--;
 175         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 176
 177         return CONTACTS_ERROR_NONE;
 178 }
 179
 180 int ctsvc_client_connect_on_thread(contacts_h contact)
 181 {
 182         int ret;
 183         ctsvc_base_s *base = (ctsvc_base_s *)contact;
 184
 185         ctsvc_mutex_lock(CTS_MUTEX_CONNECTION);
 186
 187         if (0 == base->connection_count) {
 188                 ret = ctsvc_ipc_connect(contact);
 189                 if (ret != CONTACTS_ERROR_NONE) {
 190                         CTS_ERR("ctsvc_ipc_connect() Fail(%d)", ret);
 191                         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 192                         return ret;
 193                 }
 194         }
 195         base->connection_count++;
 196
 197         if (0 == _ctsvc_connection_on_thread) {
 198                 ret = ctsvc_socket_init();
 199                 if (ret != CONTACTS_ERROR_NONE) {
 200                         CTS_ERR("ctsvc_socket_init() Fail(%d)", ret);
 201                         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 202                         return ret;
 203                 }
 204
 205                 ret = ctsvc_inotify_init();
 206                 if (ret != CONTACTS_ERROR_NONE) {
 207                         CTS_ERR("ctsvc_inotify_init() Fail(%d)", ret);
 208                         ctsvc_socket_final();
 209                         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 210                         return ret;
 211                 }
 212                 ctsvc_view_uri_init();
 213                 ctsvc_ipc_create_for_change_subscription();
 214                 ctsvc_ipc_set_disconnected_cb(_ctsvc_ipc_disconnected_cb, NULL);
 215         }
 216         else if (0 < _ctsvc_connection_on_thread)
 217                 CTS_DBG("System : Contacts service has been already connected");
 218
 219         if (1 == base->connection_count)
 220                 ctsvc_inotify_subscribe_ipc_ready(contact, _ctsvc_ipc_initialized_cb, NULL);
 221
 222         _ctsvc_connection_on_thread++;
 223
 224         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 225
 226         return CONTACTS_ERROR_NONE;
 227 }
 228
 229 int ctsvc_client_disconnect_on_thread(contacts_h contact)
 230 {
 231         int ret;
 232         ctsvc_base_s *base = (ctsvc_base_s *)contact;
 233
 234         ctsvc_mutex_lock(CTS_MUTEX_CONNECTION);
 235
 236         if (1 == base->connection_count) {
 237                 ret = ctsvc_ipc_disconnect(contact, _ctsvc_connection_on_thread);
 238                 if (ret != CONTACTS_ERROR_NONE) {
 239                         CTS_ERR("ctsvc_ipc_disconnect_on_thread() Fail(%d)", ret);
 240                         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 241                         return ret;
 242                 }
 243                 ctsvc_inotify_unsubscribe_ipc_ready(contact);
 244                 ctsvc_client_handle_remove((contacts_h)base);
 245         }
 246         else {
 247                 base->connection_count--;
 248         }
 249
 250         if (1 == _ctsvc_connection_on_thread) {
 251                 ctsvc_ipc_destroy_for_change_subscription();
 252                 ctsvc_view_uri_deinit();
 253                 ctsvc_inotify_close();
 254                 ctsvc_socket_final();
 255                 ctsvc_ipc_unset_disconnected_cb();
 256                 CTS_DBG("System : connection_on_thread was destroyed successfully");
 257         }
 258         else if (1 < _ctsvc_connection_on_thread) {
 259                 CTS_DBG("System : connection count is %d", _ctsvc_connection_on_thread);
 260         }
 261         else {
 262                 CTS_DBG("System : please call contacts_connect_on_thread(), connection count is (%d)", _ctsvc_connection_on_thread);
 263                 ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 264                 return CONTACTS_ERROR_INVALID_PARAMETER;
 265         }
 266
 267         _ctsvc_connection_on_thread--;
 268
 269         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 270
 271         return CONTACTS_ERROR_NONE;
 272 }
 273