client/ctsvc_client_noti.c

   1 /*
   2  * Contacts Service
   3  *
   4  * Copyright (c) 2010 - 2012 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  * http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  *
  18  */
  19
  20 #include <stdio.h>
  21 #include <unistd.h>
  22 #include <pims-ipc.h>
  23 #include <pims-ipc-svc.h>
  24 #include <pims-ipc-data.h>
  25
  26 #include "contacts.h"
  27 #include "ctsvc_internal.h"
  28 #include "ctsvc_ipc_define.h"
  29 #include "ctsvc_ipc_marshal.h"
  30 #include "ctsvc_mutex.h"
  31 #include "ctsvc_client_ipc.h"
  32 #include "contacts_extension.h"
  33
  34 typedef struct
  35 {
  36         contacts_db_change_cb_with_info cb;
  37         void *user_data;
  38 }db_callback_info_s;
  39
  40 typedef struct
  41 {
  42         char *view_uri;
  43         GSList *callbacks;
  44 }subscribe_info_s;
  45
  46 static int __ipc_pubsub_ref = 0;
  47 static pims_ipc_h __ipc = NULL;
  48 static GSList *__db_change_subscribe_list = NULL;
  49
  50 static void __ctsvc_db_subscriber_callback(pims_ipc_h ipc, pims_ipc_data_h data, void *user_data)
  51 {
  52         int ret;
  53         char *str = NULL;
  54         subscribe_info_s *info = user_data;
  55
  56         if (data) {
  57                 ret = ctsvc_ipc_unmarshal_string(data, &str);
  58                 WARN_IF(CONTACTS_ERROR_NONE != ret, "ctsvc_ipc_unmarshal_string() Fail(%d)", ret);
  59         }
  60
  61         if (NULL == str) {
  62                 CTS_ERR("There is no changed data");
  63                 goto DATA_FREE;
  64         }
  65
  66         if (info) {
  67                 GSList *l;
  68                 for (l = info->callbacks;l;l=l->next) {
  69                         db_callback_info_s *cb_info = l->data;
  70                         if (cb_info->cb) {
  71                                 cb_info->cb(info->view_uri, str, cb_info->user_data);
  72                         }
  73                 }
  74         }
  75 DATA_FREE:
  76         free(str);
  77 }
  78
  79 /* This API should be called in CTS_MUTEX_PIMS_IPC_PUBSUB mutex */
  80 pims_ipc_h ctsvc_ipc_get_handle_for_change_subsciption()
  81 {
  82         return __ipc;
  83 }
  84
  85 int ctsvc_ipc_create_for_change_subscription()
  86 {
  87         ctsvc_mutex_lock(CTS_MUTEX_PIMS_IPC_PUBSUB);
  88
  89         if (0 < __ipc_pubsub_ref) {
  90                 __ipc_pubsub_ref++;
  91                 ctsvc_mutex_unlock(CTS_MUTEX_PIMS_IPC_PUBSUB);
  92                 return CONTACTS_ERROR_NONE;
  93         }
  94
  95         if (NULL == __ipc) {
  96                 char sock_file[CTSVC_PATH_MAX_LEN] = {0};
  97                 snprintf(sock_file, sizeof(sock_file), CTSVC_SOCK_PATH"/.%s_for_subscribe", getuid(), CTSVC_IPC_SERVICE);
  98                 __ipc = pims_ipc_create_for_subscribe(sock_file);
  99                 if (NULL == __ipc) {
 100                         CTS_ERR("pims_ipc_create_for_subscribe error\n");
 101                         ctsvc_mutex_unlock(CTS_MUTEX_PIMS_IPC_PUBSUB);
 102                         return CONTACTS_ERROR_IPC;
 103                 }
 104         }
 105         __ipc_pubsub_ref++;
 106         ctsvc_mutex_unlock(CTS_MUTEX_PIMS_IPC_PUBSUB);
 107         return CONTACTS_ERROR_NONE;
 108 }
 109
 110 int ctsvc_ipc_recover_for_change_subscription()
 111 {
 112         ctsvc_mutex_lock(CTS_MUTEX_PIMS_IPC_PUBSUB);
 113         if (__ipc_pubsub_ref <= 0) {
 114                 ctsvc_mutex_unlock(CTS_MUTEX_PIMS_IPC_PUBSUB);
 115                 return CONTACTS_ERROR_NONE;
 116         }
 117         if (__ipc)
 118                 ctsvc_ipc_unset_disconnected_cb(__ipc);
 119         __ipc = pims_ipc_create_for_subscribe(CTSVC_IPC_SOCKET_PATH_FOR_CHANGE_SUBSCRIPTION);
 120         if (!__ipc) {
 121                 CTS_ERR("pims_ipc_create_for_subscribe error\n");
 122                 ctsvc_mutex_unlock(CTS_MUTEX_PIMS_IPC_PUBSUB);
 123                 return CONTACTS_ERROR_IPC;
 124         }
 125         ctsvc_mutex_unlock(CTS_MUTEX_PIMS_IPC_PUBSUB);
 126         return CONTACTS_ERROR_NONE;
 127 }
 128
 129 int ctsvc_ipc_destroy_for_change_subscription()
 130 {
 131         ctsvc_mutex_lock(CTS_MUTEX_PIMS_IPC_PUBSUB);
 132
 133         if (1 == __ipc_pubsub_ref) {
 134                 ctsvc_ipc_unset_disconnected_cb(__ipc);
 135                 pims_ipc_destroy_for_subscribe(__ipc);
 136                 __ipc = NULL;
 137         }
 138         else if (1 < __ipc_pubsub_ref) {
 139                 CTS_DBG("ctsvc pubsub ipc ref count : %d", __ipc_pubsub_ref);
 140         }
 141         else {
 142                 CTS_DBG("System : please call connection APIs, connection count is (%d)", __ipc_pubsub_ref);
 143                 ctsvc_mutex_unlock(CTS_MUTEX_PIMS_IPC_PUBSUB);
 144                 return CONTACTS_ERROR_INVALID_PARAMETER;
 145         }
 146
 147         __ipc_pubsub_ref--;
 148
 149         ctsvc_mutex_unlock(CTS_MUTEX_PIMS_IPC_PUBSUB);
 150         return CONTACTS_ERROR_NONE;
 151 }
 152
 153 API int contacts_db_add_changed_cb_with_info(const char* view_uri,
 154                 contacts_db_change_cb_with_info cb, void* user_data)
 155 {
 156         GSList *it = NULL;
 157         subscribe_info_s *info = NULL;
 158         db_callback_info_s *cb_info;
 159         bool result = false;
 160         int ret;
 161
 162         RETVM_IF(view_uri == NULL, CONTACTS_ERROR_INVALID_PARAMETER, "view_uri is NULL");
 163         RETVM_IF(cb == NULL, CONTACTS_ERROR_INVALID_PARAMETER, "cb is NULL");
 164
 165         if (STRING_EQUAL == strncmp(view_uri, CTSVC_VIEW_URI_PHONELOG, strlen(CTSVC_VIEW_URI_PHONELOG))) {
 166                 ret = ctsvc_ipc_client_check_permission(CTSVC_PERMISSION_PHONELOG_READ, &result);
 167                 RETVM_IF(ret != CONTACTS_ERROR_NONE, ret, "ctsvc_ipc_client_check_permission fail (%d)", ret);
 168                 RETVM_IF(result == false, CONTACTS_ERROR_PERMISSION_DENIED, "Permission denied (phonelog read)");
 169         }
 170         else if (STRING_EQUAL == strncmp(view_uri, CTSVC_VIEW_URI_PERSON, strlen(CTSVC_VIEW_URI_PERSON))) {
 171                 ret = ctsvc_ipc_client_check_permission(CTSVC_PERMISSION_CONTACT_READ, &result);
 172                 RETVM_IF(ret != CONTACTS_ERROR_NONE, ret, "ctsvc_ipc_client_check_permission fail (%d)", ret);
 173                 RETVM_IF(result == false, CONTACTS_ERROR_PERMISSION_DENIED, "Permission denied (contact read)");
 174         }
 175         else {
 176                 CTS_ERR("We support this API for only %s and %s", CTSVC_VIEW_URI_PERSON, CTSVC_VIEW_URI_PHONELOG);
 177                 return CONTACTS_ERROR_INVALID_PARAMETER;
 178         }
 179
 180         ctsvc_mutex_lock(CTS_MUTEX_PIMS_IPC_PUBSUB);
 181
 182         for (it=__db_change_subscribe_list;it;it=it->next) {
 183                 if (NULL == it->data) continue;
 184
 185                 info = it->data;
 186                 if (STRING_EQUAL == strcmp(info->view_uri, view_uri))
 187                         break;
 188                 else
 189                         info = NULL;
 190         }
 191
 192         if (NULL == info) {
 193                 info = calloc(1, sizeof(subscribe_info_s));
 194                 if (NULL == info) {
 195                         CTS_ERR("calloc() Fail");
 196                         ctsvc_mutex_unlock(CTS_MUTEX_PIMS_IPC_PUBSUB);
 197                         return CONTACTS_ERROR_OUT_OF_MEMORY;
 198                 }
 199
 200                 if (pims_ipc_subscribe(__ipc, CTSVC_IPC_SUBSCRIBE_MODULE, (char*)view_uri,
 201                                         __ctsvc_db_subscriber_callback, (void*)info) != 0) {
 202                         CTS_ERR("pims_ipc_subscribe error\n");
 203                         free(info);
 204                         ctsvc_mutex_unlock(CTS_MUTEX_PIMS_IPC_PUBSUB);
 205                         return CONTACTS_ERROR_IPC;
 206                 }
 207                 info->view_uri = strdup(view_uri);
 208                 __db_change_subscribe_list = g_slist_append(__db_change_subscribe_list, info);
 209         }
 210         else {
 211                 GSList *l;
 212                 for (l = info->callbacks;l;l=l->next) {
 213                         db_callback_info_s *cb_info = l->data;
 214                         if (cb_info->cb == cb && cb_info->user_data == user_data) {
 215                                 CTS_ERR("The same callback(%s) is already exist", view_uri);
 216                                 ctsvc_mutex_unlock(CTS_MUTEX_PIMS_IPC_PUBSUB);
 217                                 return CONTACTS_ERROR_INVALID_PARAMETER;
 218                         }
 219                 }
 220         }
 221
 222         cb_info = calloc(1, sizeof(db_callback_info_s));
 223         if (NULL == cb_info) {
 224                 CTS_ERR("calloc() Failed");
 225                 ctsvc_mutex_unlock(CTS_MUTEX_PIMS_IPC_PUBSUB);
 226                 return CONTACTS_ERROR_OUT_OF_MEMORY;
 227         }
 228         cb_info->user_data = user_data;
 229         cb_info->cb = cb;
 230         info->callbacks = g_slist_append(info->callbacks, cb_info);
 231
 232         ctsvc_mutex_unlock(CTS_MUTEX_PIMS_IPC_PUBSUB);
 233         return CONTACTS_ERROR_NONE;
 234 }
 235
 236 API int contacts_db_remove_changed_cb_with_info(const char* view_uri,
 237                 contacts_db_change_cb_with_info cb, void* user_data)
 238 {
 239         GSList *it = NULL;
 240         subscribe_info_s *info = NULL;
 241
 242         RETVM_IF(view_uri == NULL, CONTACTS_ERROR_INVALID_PARAMETER, "view_uri is NULL");
 243         RETVM_IF(cb == NULL, CONTACTS_ERROR_INVALID_PARAMETER, "cb is NULL");
 244
 245         if (STRING_EQUAL != strcmp(view_uri, CTSVC_VIEW_URI_PHONELOG) &&
 246                         STRING_EQUAL != strcmp(view_uri, CTSVC_VIEW_URI_PERSON)) {
 247                 CTS_ERR("We support this API for only %s and %s", CTSVC_VIEW_URI_PERSON, CTSVC_VIEW_URI_PHONELOG);
 248                 return CONTACTS_ERROR_INVALID_PARAMETER;
 249         }
 250
 251         ctsvc_mutex_lock(CTS_MUTEX_PIMS_IPC_PUBSUB);
 252
 253         for (it=__db_change_subscribe_list;it;it=it->next) {
 254                 if (NULL == it->data) continue;
 255
 256                 info = it->data;
 257                 if (STRING_EQUAL == strcmp(info->view_uri, view_uri))
 258                         break;
 259                 else
 260                         info = NULL;
 261         }
 262
 263         if (info) {
 264                 GSList *l;
 265                 for (l = info->callbacks;l;l=l->next) {
 266                         db_callback_info_s *cb_info = l->data;
 267                         if (cb == cb_info->cb && user_data == cb_info->user_data) {
 268                                 info->callbacks = g_slist_remove(info->callbacks, cb_info);
 269                                 free(cb_info);
 270                                 break;
 271                         }
 272                 }
 273                 if (g_slist_length(info->callbacks) == 0) {
 274                         pims_ipc_unsubscribe(__ipc, CTSVC_IPC_SUBSCRIBE_MODULE, info->view_uri);
 275                         __db_change_subscribe_list = g_slist_remove(__db_change_subscribe_list, info);
 276                         free(info->view_uri);
 277                         free(info);
 278                 }
 279         }
 280
 281         ctsvc_mutex_unlock(CTS_MUTEX_PIMS_IPC_PUBSUB);
 282         return CONTACTS_ERROR_NONE;
 283 }