client/ctsvc_client_service.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 #include <pims-ipc-data.h>
  28
  29 #include "contacts.h"
  30 #include "ctsvc_internal.h"
  31 #include "ctsvc_socket.h"
  32 #include "ctsvc_mutex.h"
  33 #include "ctsvc_inotify.h"
  34 #include "ctsvc_client_ipc.h"
  35
  36 static int ctsvc_connection = 0;
  37
  38 static __thread int ctsvc_connection_on_thread = 0;
  39
  40 API int contacts_connect_with_flags(unsigned int flags)
  41 {
  42         CTS_FN_CALL;
  43         int ret = CONTACTS_ERROR_NONE;
  44
  45         // If new flag is defined, errer check should be updated
  46         RETVM_IF(flags & 0x11111110, CONTACTS_ERROR_INVALID_PARAMETER, "flags is invalid");
  47
  48         ret = contacts_connect();
  49         if (ret == CONTACTS_ERROR_PERMISSION_DENIED)
  50                 return ret;
  51         else if (ret == CONTACTS_ERROR_NONE)
  52                 return ret;
  53
  54         if (flags & CONTACTS_CONNECT_FLAG_RETRY) {
  55                 int i;
  56                 int waiting_time = 500;
  57                 for (i=0;i<9;i++) {
  58                         usleep(waiting_time * 1000);
  59                         CTS_DBG("retry cnt=%d, ret=%x, %d",(i+1), ret, waiting_time);
  60                         ret = contacts_connect();
  61                         if (ret == CONTACTS_ERROR_NONE)
  62                                 break;
  63                         if (6 < i)
  64                                 waiting_time += 30000;
  65                         else
  66                                 waiting_time *= 2;
  67                 }
  68         }
  69
  70         return ret;
  71 }
  72
  73 API int contacts_connect(void)
  74 {
  75         CTS_FN_CALL;
  76         int ret;
  77
  78         ctsvc_mutex_lock(CTS_MUTEX_CONNECTION);
  79         if (0 == ctsvc_connection) {
  80                 ret = ctsvc_ipc_connect();
  81                 if (ret != CONTACTS_ERROR_NONE) {
  82                         CTS_ERR("ctsvc_ipc_connect() Failed(%d)", ret);
  83                         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
  84                         return ret;
  85                 }
  86
  87                 ret = ctsvc_socket_init();
  88                 if (ret != CONTACTS_ERROR_NONE) {
  89                         CTS_ERR("ctsvc_socket_init() Failed(%d)", ret);
  90                         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
  91                         return ret;
  92                 }
  93
  94                 ret = ctsvc_inotify_init();
  95                 if (ret != CONTACTS_ERROR_NONE) {
  96                         CTS_ERR("ctsvc_inotify_init() Failed(%d)", ret);
  97                         ctsvc_socket_final();
  98                         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
  99                         return ret;
 100                 }
 101
 102                 ctsvc_view_uri_init();
 103                 ctsvc_ipc_create_for_change_subscription();
 104         }
 105         else
 106                 CTS_DBG("System : Contacts service has been already connected(%d)", ctsvc_connection + 1);
 107
 108         ctsvc_connection++;
 109         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 110
 111         return CONTACTS_ERROR_NONE;
 112 }
 113
 114 API int contacts_disconnect(void)
 115 {
 116         int ret;
 117
 118         CTS_FN_CALL;
 119
 120         ctsvc_mutex_lock(CTS_MUTEX_CONNECTION);
 121         if (1 == ctsvc_connection) {
 122                 ctsvc_ipc_destroy_for_change_subscription();
 123
 124                 ret = ctsvc_ipc_disconnect();
 125                 if (ret != CONTACTS_ERROR_NONE) {
 126                         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 127                         CTS_ERR("ctsvc_ipc_disconnect() Failed(%d)", ret);
 128                         return ret;
 129                 }
 130
 131                 ctsvc_view_uri_deinit();
 132                 ctsvc_inotify_close();
 133                 ctsvc_socket_final();
 134         }
 135         else if (1 < ctsvc_connection)
 136                 CTS_DBG("System : connection count is %d", ctsvc_connection);
 137         else {
 138                 CTS_DBG("System : please call contacts_connect(), connection count is (%d)", ctsvc_connection);
 139                 ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 140                 return CONTACTS_ERROR_DB;
 141         }
 142
 143         ctsvc_connection--;
 144         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 145
 146         return CONTACTS_ERROR_NONE;
 147 }
 148
 149 API int contacts_connect_on_thread(void)
 150 {
 151         int ret;
 152
 153         ctsvc_mutex_lock(CTS_MUTEX_CONNECTION);
 154
 155         if (0 == ctsvc_connection_on_thread) {
 156                 ret = ctsvc_ipc_connect_on_thread();
 157                 if (ret != CONTACTS_ERROR_NONE) {
 158                         CTS_ERR("ctsvc_ipc_connect_on_thread() Failed(%d)", ret);
 159                         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 160                         return ret;
 161                 }
 162
 163                 ret = ctsvc_socket_init();
 164                 if (ret != CONTACTS_ERROR_NONE) {
 165                         CTS_ERR("ctsvc_socket_init() Failed(%d)", ret);
 166                         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 167                         return ret;
 168                 }
 169
 170                 ret = ctsvc_inotify_init();
 171                 if (ret != CONTACTS_ERROR_NONE) {
 172                         CTS_ERR("ctsvc_inotify_init() Failed(%d)", ret);
 173                         ctsvc_socket_final();
 174                         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 175                         return ret;
 176                 }
 177
 178                 ctsvc_view_uri_init();
 179                 ctsvc_ipc_create_for_change_subscription();
 180         }
 181         else if (0 < ctsvc_connection_on_thread)
 182                 CTS_DBG("System : Contacts service has been already connected");
 183
 184         ctsvc_connection_on_thread++;
 185
 186         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 187
 188         return CONTACTS_ERROR_NONE;
 189 }
 190
 191 API int contacts_disconnect_on_thread(void)
 192 {
 193         int ret;
 194
 195         ctsvc_mutex_lock(CTS_MUTEX_CONNECTION);
 196
 197         if (1 == ctsvc_connection_on_thread) {
 198                 ctsvc_ipc_destroy_for_change_subscription();
 199
 200                 ret = ctsvc_ipc_disconnect_on_thread();
 201                 if (ret != CONTACTS_ERROR_NONE) {
 202                         CTS_ERR("ctsvc_ipc_disconnect_on_thread() Failed(%d)", ret);
 203                         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 204                         return ret;
 205                 }
 206
 207                 ctsvc_view_uri_deinit();
 208                 ctsvc_inotify_close();
 209                 ctsvc_socket_final();
 210                 CTS_DBG("System : connection_on_thread was destroyed successfully");
 211         }
 212         else if (1 < ctsvc_connection_on_thread) {
 213                 CTS_DBG("System : connection count is %d", ctsvc_connection_on_thread);
 214         }
 215         else {
 216                 CTS_DBG("System : please call contacts_connect_on_thread(), connection count is (%d)", ctsvc_connection_on_thread);
 217                 ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 218                 return CONTACTS_ERROR_DB;
 219         }
 220
 221         ctsvc_connection_on_thread--;
 222
 223         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 224
 225         return CONTACTS_ERROR_NONE;
 226 }
 227