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_utils.h"
  35 #include "ctsvc_client_handle.h"
  36 #include "ctsvc_client_service_helper.h"
  37
  38 static int _ctsvc_connection = 0;
  39 static __thread int _ctsvc_connection_on_thread = 0;
  40
  41 int ctsvc_client_get_thread_connection_count()
  42 {
  43         return _ctsvc_connection_on_thread;
  44 }
  45
  46 int ctsvc_client_connect_with_flags(contacts_h contact, unsigned int flags)
  47 {
  48         CTS_FN_CALL;
  49         int ret = CONTACTS_ERROR_NONE;
  50
  51         /* If new flag is defined, errer check should be updated */
  52         RETVM_IF(flags & 0x11111110, CONTACTS_ERROR_INVALID_PARAMETER, "flags is invalid");
  53
  54         ret = ctsvc_client_connect(contact);
  55         if (ret == CONTACTS_ERROR_PERMISSION_DENIED)
  56                 return ret;
  57         else if (ret == CONTACTS_ERROR_NONE)
  58                 return ret;
  59
  60         if (flags & CONTACTS_CONNECT_FLAG_RETRY) {
  61                 int i;
  62                 int waiting_time = 500;
  63                 for (i=0;i<9;i++) {
  64                         usleep(waiting_time * 1000);
  65                         CTS_DBG("retry cnt=%d, ret=%x, %d",(i+1), ret, waiting_time);
  66                         ret = ctsvc_client_connect(contact);
  67                         if (ret == CONTACTS_ERROR_NONE)
  68                                 break;
  69                         if (6 < i)
  70                                 waiting_time += 30000;
  71                         else
  72                                 waiting_time *= 2;
  73                 }
  74         }
  75
  76         return ret;
  77 }
  78
  79 static void _ctsvc_ipc_initialized_cb(void *user_data)
  80 {
  81         CTS_FN_CALL;
  82         if (true == ctsvc_ipc_get_disconnected()) {
  83                 ctsvc_ipc_set_disconnected(false);
  84                 ctsvc_ipc_recovery();
  85                 ctsvc_ipc_recover_for_change_subscription();
  86         }
  87 }
  88
  89 int ctsvc_client_connect(contacts_h contact)
  90 {
  91         CTS_FN_CALL;
  92         int ret;
  93         ctsvc_base_s *base = (ctsvc_base_s *)contact;
  94
  95         ctsvc_mutex_lock(CTS_MUTEX_CONNECTION);
  96         if (0 == base->connection_count) {
  97                 ret = ctsvc_ipc_connect(contact, ctsvc_client_get_pid());
  98                 if (ret != CONTACTS_ERROR_NONE) {
  99                         CTS_ERR("ctsvc_ipc_connect() Fail(%d)", ret);
 100                         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 101                         return ret;
 102                 }
 103         }
 104         base->connection_count++;
 105
 106         if (0 == _ctsvc_connection) {
 107                 ret = ctsvc_socket_init();
 108                 if (ret != CONTACTS_ERROR_NONE) {
 109                         CTS_ERR("ctsvc_socket_init() Fail(%d)", ret);
 110                         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 111                         return ret;
 112                 }
 113
 114                 ret = ctsvc_inotify_init();
 115                 if (ret != CONTACTS_ERROR_NONE) {
 116                         CTS_ERR("ctsvc_inotify_init() Fail(%d)", ret);
 117                         ctsvc_socket_final();
 118                         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 119                         return ret;
 120                 }
 121                 ctsvc_view_uri_init();
 122                 ctsvc_ipc_create_for_change_subscription();
 123         }
 124         else
 125                 CTS_DBG("System : Contacts service has been already connected(%d)", _ctsvc_connection + 1);
 126
 127         if (1 == base->connection_count)
 128                 ctsvc_inotify_subscribe_ipc_ready(contact, _ctsvc_ipc_initialized_cb, NULL);
 129
 130         _ctsvc_connection++;
 131         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 132
 133         return CONTACTS_ERROR_NONE;
 134 }
 135
 136 int ctsvc_client_disconnect(contacts_h contact)
 137 {
 138         CTS_FN_CALL;
 139         int ret;
 140         ctsvc_mutex_lock(CTS_MUTEX_CONNECTION);
 141
 142         ctsvc_base_s *base = (ctsvc_base_s *)contact;
 143         if (1 == base->connection_count) {
 144                 ret = ctsvc_ipc_disconnect(contact, ctsvc_client_get_pid(), _ctsvc_connection);
 145                 if (ret != CONTACTS_ERROR_NONE) {
 146                         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 147                         CTS_ERR("ctsvc_ipc_disconnect() Fail(%d)", ret);
 148                         return ret;
 149                 }
 150                 ctsvc_inotify_unsubscribe_ipc_ready(contact);
 151         }
 152         base->connection_count--;
 153
 154         if (1 == _ctsvc_connection) {
 155                 ctsvc_ipc_destroy_for_change_subscription();
 156                 ctsvc_view_uri_deinit();
 157                 ctsvc_inotify_close();
 158                 ctsvc_socket_final();
 159
 160         }
 161         else if (1 < _ctsvc_connection)
 162                 CTS_DBG("System : connection count is %d", _ctsvc_connection);
 163         else {
 164                 CTS_DBG("System : please call contacts_connect(), connection count is (%d)", _ctsvc_connection);
 165                 ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 166                 return CONTACTS_ERROR_DB;
 167         }
 168
 169         _ctsvc_connection--;
 170         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 171
 172         return CONTACTS_ERROR_NONE;
 173 }
 174
 175 int ctsvc_client_connect_on_thread(contacts_h contact)
 176 {
 177         int ret;
 178         ctsvc_base_s *base = (ctsvc_base_s *)contact;
 179
 180         ctsvc_mutex_lock(CTS_MUTEX_CONNECTION);
 181
 182         if (0 == base->connection_count) {
 183                 ret = ctsvc_ipc_connect(contact, ctsvc_client_get_tid());
 184                 if (ret != CONTACTS_ERROR_NONE) {
 185                         CTS_ERR("ctsvc_ipc_connect() Fail(%d)", ret);
 186                         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 187                         return ret;
 188                 }
 189         }
 190         base->connection_count++;
 191
 192         if (0 == _ctsvc_connection_on_thread) {
 193                 ret = ctsvc_socket_init();
 194                 if (ret != CONTACTS_ERROR_NONE) {
 195                         CTS_ERR("ctsvc_socket_init() Fail(%d)", ret);
 196                         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 197                         return ret;
 198                 }
 199
 200                 ret = ctsvc_inotify_init();
 201                 if (ret != CONTACTS_ERROR_NONE) {
 202                         CTS_ERR("ctsvc_inotify_init() Fail(%d)", ret);
 203                         ctsvc_socket_final();
 204                         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 205                         return ret;
 206                 }
 207                 ctsvc_view_uri_init();
 208                 ctsvc_ipc_create_for_change_subscription();
 209         }
 210         else if (0 < _ctsvc_connection_on_thread)
 211                 CTS_DBG("System : Contacts service has been already connected");
 212
 213         if (1 == base->connection_count)
 214                 ctsvc_inotify_subscribe_ipc_ready(contact, _ctsvc_ipc_initialized_cb, NULL);
 215
 216         _ctsvc_connection_on_thread++;
 217
 218         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 219
 220         return CONTACTS_ERROR_NONE;
 221 }
 222
 223 int ctsvc_client_disconnect_on_thread(contacts_h contact)
 224 {
 225         int ret;
 226         ctsvc_base_s *base = (ctsvc_base_s *)contact;
 227
 228         ctsvc_mutex_lock(CTS_MUTEX_CONNECTION);
 229
 230         if (1 == base->connection_count) {
 231                 ret = ctsvc_ipc_disconnect(contact, ctsvc_client_get_tid(), _ctsvc_connection_on_thread);
 232                 if (ret != CONTACTS_ERROR_NONE) {
 233                         CTS_ERR("ctsvc_ipc_disconnect() Fail(%d)", ret);
 234                         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 235                         return ret;
 236                 }
 237                 ctsvc_inotify_unsubscribe_ipc_ready(contact);
 238         }
 239         base->connection_count--;
 240
 241         if (1 == _ctsvc_connection_on_thread) {
 242                 ctsvc_ipc_destroy_for_change_subscription();
 243                 ctsvc_view_uri_deinit();
 244                 ctsvc_inotify_close();
 245                 ctsvc_socket_final();
 246                 CTS_DBG("System : connection_on_thread was destroyed successfully");
 247         }
 248         else if (1 < _ctsvc_connection_on_thread) {
 249                 CTS_DBG("System : connection count is %d", _ctsvc_connection_on_thread);
 250         }
 251         else {
 252                 CTS_DBG("System : please call contacts_connect_on_thread(), connection count is (%d)", _ctsvc_connection_on_thread);
 253                 ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 254                 return CONTACTS_ERROR_DB;
 255         }
 256
 257         _ctsvc_connection_on_thread--;
 258
 259         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 260
 261         return CONTACTS_ERROR_NONE;
 262 }
 263