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         RETV_IF(NULL == base, CONTACTS_ERROR_INVALID_PARAMETER);
  95
  96         ctsvc_mutex_lock(CTS_MUTEX_CONNECTION);
  97         if (0 == base->connection_count) {
  98                 ret = ctsvc_ipc_connect(contact, ctsvc_client_get_pid());
  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         }
 125         else
 126                 CTS_DBG("System : Contacts service has been already connected(%d)", _ctsvc_connection + 1);
 127
 128         if (1 == base->connection_count)
 129                 ctsvc_inotify_subscribe_ipc_ready(contact, _ctsvc_ipc_initialized_cb, NULL);
 130
 131         _ctsvc_connection++;
 132         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 133
 134         return CONTACTS_ERROR_NONE;
 135 }
 136
 137 int ctsvc_client_disconnect(contacts_h contact)
 138 {
 139         CTS_FN_CALL;
 140         int ret;
 141         ctsvc_base_s *base = (ctsvc_base_s *)contact;
 142         RETV_IF(NULL == base, CONTACTS_ERROR_INVALID_PARAMETER);
 143
 144         ctsvc_mutex_lock(CTS_MUTEX_CONNECTION);
 145
 146         if (1 == base->connection_count) {
 147                 ret = ctsvc_ipc_disconnect(contact, ctsvc_client_get_pid(), _ctsvc_connection);
 148                 if (ret != CONTACTS_ERROR_NONE) {
 149                         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 150                         CTS_ERR("ctsvc_ipc_disconnect() Fail(%d)", ret);
 151                         return ret;
 152                 }
 153                 ctsvc_inotify_unsubscribe_ipc_ready(contact);
 154         }
 155         base->connection_count--;
 156
 157         if (1 == _ctsvc_connection) {
 158                 ctsvc_ipc_destroy_for_change_subscription();
 159                 ctsvc_view_uri_deinit();
 160                 ctsvc_inotify_close();
 161                 ctsvc_socket_final();
 162
 163         }
 164         else if (1 < _ctsvc_connection)
 165                 CTS_DBG("System : connection count is %d", _ctsvc_connection);
 166         else {
 167                 CTS_DBG("System : please call contacts_connect(), connection count is (%d)", _ctsvc_connection);
 168                 ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 169                 return CONTACTS_ERROR_DB;
 170         }
 171
 172         _ctsvc_connection--;
 173
 174         if (0 == base->connection_count) {
 175                 CTS_INFO("connection_count is 0. remove handle");
 176                 ret = ctsvc_client_handle_remove(ctsvc_client_get_pid(), contact);
 177                 WARN_IF(CONTACTS_ERROR_NONE != ret, "ctsvc_client_handle_remove() Fail(%d)", ret);
 178         }
 179         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 180
 181         return CONTACTS_ERROR_NONE;
 182 }
 183
 184 int ctsvc_client_connect_on_thread(contacts_h contact)
 185 {
 186         int ret;
 187         ctsvc_base_s *base = (ctsvc_base_s *)contact;
 188         RETV_IF(NULL == base, CONTACTS_ERROR_INVALID_PARAMETER);
 189
 190         ctsvc_mutex_lock(CTS_MUTEX_CONNECTION);
 191
 192         if (0 == base->connection_count) {
 193                 ret = ctsvc_ipc_connect(contact, ctsvc_client_get_tid());
 194                 if (ret != CONTACTS_ERROR_NONE) {
 195                         CTS_ERR("ctsvc_ipc_connect() Fail(%d)", ret);
 196                         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 197                         return ret;
 198                 }
 199         }
 200         base->connection_count++;
 201
 202         if (0 == _ctsvc_connection_on_thread) {
 203                 ret = ctsvc_socket_init();
 204                 if (ret != CONTACTS_ERROR_NONE) {
 205                         CTS_ERR("ctsvc_socket_init() Fail(%d)", ret);
 206                         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 207                         return ret;
 208                 }
 209
 210                 ret = ctsvc_inotify_init();
 211                 if (ret != CONTACTS_ERROR_NONE) {
 212                         CTS_ERR("ctsvc_inotify_init() Fail(%d)", ret);
 213                         ctsvc_socket_final();
 214                         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 215                         return ret;
 216                 }
 217                 ctsvc_view_uri_init();
 218                 ctsvc_ipc_create_for_change_subscription();
 219         }
 220         else if (0 < _ctsvc_connection_on_thread)
 221                 CTS_DBG("System : Contacts service has been already connected");
 222
 223         if (1 == base->connection_count)
 224                 ctsvc_inotify_subscribe_ipc_ready(contact, _ctsvc_ipc_initialized_cb, NULL);
 225
 226         _ctsvc_connection_on_thread++;
 227
 228         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 229
 230         return CONTACTS_ERROR_NONE;
 231 }
 232
 233 int ctsvc_client_disconnect_on_thread(contacts_h contact)
 234 {
 235         int ret;
 236         ctsvc_base_s *base = (ctsvc_base_s *)contact;
 237         RETV_IF(NULL == base, CONTACTS_ERROR_INVALID_PARAMETER);
 238
 239         ctsvc_mutex_lock(CTS_MUTEX_CONNECTION);
 240
 241         if (1 == base->connection_count) {
 242                 ret = ctsvc_ipc_disconnect(contact, ctsvc_client_get_tid(), _ctsvc_connection_on_thread);
 243                 if (ret != CONTACTS_ERROR_NONE) {
 244                         CTS_ERR("ctsvc_ipc_disconnect() Fail(%d)", ret);
 245                         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 246                         return ret;
 247                 }
 248                 ctsvc_inotify_unsubscribe_ipc_ready(contact);
 249         }
 250         base->connection_count--;
 251
 252         if (1 == _ctsvc_connection_on_thread) {
 253                 ctsvc_ipc_destroy_for_change_subscription();
 254                 ctsvc_view_uri_deinit();
 255                 ctsvc_inotify_close();
 256                 ctsvc_socket_final();
 257                 CTS_DBG("System : connection_on_thread was destroyed successfully");
 258         }
 259         else if (1 < _ctsvc_connection_on_thread) {
 260                 CTS_DBG("System : connection count is %d", _ctsvc_connection_on_thread);
 261         }
 262         else {
 263                 CTS_DBG("System : please call contacts_connect_on_thread(), connection count is (%d)", _ctsvc_connection_on_thread);
 264                 ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 265                 return CONTACTS_ERROR_DB;
 266         }
 267
 268         _ctsvc_connection_on_thread--;
 269
 270         if (0 == base->connection_count) {
 271                 CTS_INFO("connection_count is 0. remove handle");
 272                 ret = ctsvc_client_handle_remove(ctsvc_client_get_tid(), contact);
 273                 WARN_IF(CONTACTS_ERROR_NONE != ret, "ctsvc_client_handle_remove() Fail(%d)", ret);
 274         }
 275         ctsvc_mutex_unlock(CTS_MUTEX_CONNECTION);
 276
 277         return CONTACTS_ERROR_NONE;
 278 }
 279