service/notification/src/provider/NSProviderScheduler.c

   1 //******************************************************************\r
   2 //\r
   3 // Copyright 2016 Samsung Electronics All Rights Reserved.\r
   4 //\r
   5 //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=\r
   6 //\r
   7 // Licensed under the Apache License, Version 2.0 (the "License");\r
   8 // you may not use this file except in compliance with the License.\r
   9 // You may obtain a copy of the License at\r
  10 //\r
  11 //      http://www.apache.org/licenses/LICENSE-2.0\r
  12 //\r
  13 // Unless required by applicable law or agreed to in writing, software\r
  14 // distributed under the License is distributed on an "AS IS" BASIS,\r
  15 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
  16 // See the License for the specific language governing permissions and\r
  17 // limitations under the License.\r
  18 //\r
  19 //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=\r
  20 \r
  21 #include "NSProviderScheduler.h"\r
  22 \r
  23 pthread_t NSThread[THREAD_COUNT];\r
  24 pthread_mutex_t NSMutex[THREAD_COUNT];\r
  25 sem_t NSSemaphore[THREAD_COUNT];\r
  26 bool NSIsRunning[THREAD_COUNT] =\r
  27 { false, };\r
  28 \r
  29 NSTask* NSHeadMsg[THREAD_COUNT];\r
  30 NSTask* NSTailMsg[THREAD_COUNT];\r
  31 \r
  32 void * NSInterfaceSchedule(void *ptr);\r
  33 void * NSDiscoverySchedule(void *ptr);\r
  34 void * NSSubScriptionSchedule(void *ptr);\r
  35 void * NSNotificationSchedule(void *ptr);\r
  36 \r
  37 bool NSInitScheduler()\r
  38 {\r
  39     NS_LOG(DEBUG, "NSInitScheduler - IN");\r
  40 \r
  41     int i = 0;\r
  42 \r
  43     for (i = 0; i < THREAD_COUNT; i++)\r
  44     {\r
  45         pthread_mutex_init(&NSMutex[i], NULL);\r
  46         NSIsRunning[i] = true;\r
  47         sem_init(&(NSSemaphore[i]), 0, 0);\r
  48     }\r
  49 \r
  50     NS_LOG(DEBUG, "NSInitScheduler - OUT");\r
  51 \r
  52     return true;\r
  53 }\r
  54 \r
  55 bool NSStartScheduler()\r
  56 {\r
  57     int i = 0;\r
  58 \r
  59     for (i = 0; i < THREAD_COUNT; i++)\r
  60     {\r
  61         pthread_mutex_lock(&NSMutex[i]);\r
  62 \r
  63         switch (i)\r
  64         {\r
  65             case INTERFACE_SCHEDULER:\r
  66             {\r
  67                 NS_LOG(DEBUG, "CASE RESPONSE_SCHEDULER :");\r
  68                 pthread_create(&NSThread[i], NULL, NSInterfaceSchedule, NULL);\r
  69             }\r
  70                 break;\r
  71 \r
  72             case DISCOVERY_SCHEDULER:\r
  73             {\r
  74                 NS_LOG(DEBUG, "CASE DISCOVERY_SCHEDULER :");\r
  75                 pthread_create(&NSThread[i], NULL, NSDiscoverySchedule, NULL);\r
  76             }\r
  77                 break;\r
  78 \r
  79             case SUBSCRIPTION_SCHEDULER:\r
  80             {\r
  81                 NS_LOG(DEBUG, "CASE SUBSCRIPTION_SCHEDULER :");\r
  82                 pthread_create(&NSThread[i], NULL, NSSubScriptionSchedule, NULL);\r
  83             }\r
  84                 break;\r
  85 \r
  86             case NOTIFICATION_SCHEDULER:\r
  87             {\r
  88                 NS_LOG(DEBUG, "CASE NOTIFICATION_SCHEDULER :");\r
  89                 pthread_create(&NSThread[i], NULL, NSNotificationSchedule, NULL);\r
  90             }\r
  91                 break;\r
  92 \r
  93             default:\r
  94                 break;\r
  95 \r
  96         }\r
  97 \r
  98         NSHeadMsg[i] = NSTailMsg[i] = NULL;\r
  99 \r
 100         pthread_mutex_unlock(&NSMutex[i]);\r
 101 \r
 102     }\r
 103 \r
 104     return true;\r
 105 }\r
 106 \r
 107 bool NSStopScheduler()\r
 108 {\r
 109     NS_LOG(DEBUG, "NSStopScheduler - IN");\r
 110     int i = 0;\r
 111 \r
 112     for (i = THREAD_COUNT - 1; i >= 0; --i)\r
 113     {\r
 114         int status = -1;\r
 115 \r
 116         NSIsRunning[i] = false;\r
 117 \r
 118         sem_post(&(NSSemaphore[i]));\r
 119         pthread_join(NSThread[i], (void **) &status);\r
 120 \r
 121         NSThread[i] = 0;\r
 122 \r
 123         pthread_mutex_lock(&NSMutex[i]);\r
 124 \r
 125         while (NSHeadMsg[i] != NULL)\r
 126         {\r
 127             NSTask* temp = NSHeadMsg[i];\r
 128             NSHeadMsg[i] = NSHeadMsg[i]->nextTask;\r
 129             NSFreeData(i, NSHeadMsg[i]);\r
 130             OICFree(temp);\r
 131         }\r
 132 \r
 133         OICFree(NSHeadMsg[i]);\r
 134         NSTailMsg[i] = NSHeadMsg[i] = NULL;\r
 135 \r
 136         pthread_mutex_unlock(&NSMutex[i]);\r
 137         pthread_mutex_destroy(&NSMutex[i]);\r
 138     }\r
 139 \r
 140     NS_LOG(DEBUG, "NSStopScheduler - OUT");\r
 141 \r
 142     return true;\r
 143 }\r
 144 \r
 145 void NSPushQueue(NSSchedulerType schedulerType, NSTaskType taskType, void* data)\r
 146 {\r
 147 \r
 148     if(NSIsRunning[schedulerType] == false)\r
 149         return;\r
 150 \r
 151     pthread_mutex_lock(&NSMutex[schedulerType]);\r
 152 \r
 153     NS_LOG(DEBUG, "NSPushQueue - IN");\r
 154     NS_LOG_V(DEBUG, "NSSchedulerType = %d", schedulerType);\r
 155     NS_LOG_V(DEBUG, "NSTaskType = %d", taskType);\r
 156 \r
 157     if (NSHeadMsg[schedulerType] == NULL)\r
 158     {\r
 159         NSHeadMsg[schedulerType] = (NSTask*) OICMalloc(sizeof(NSTask));\r
 160         memset(NSHeadMsg[schedulerType], 0, sizeof(NSTask));\r
 161         NSHeadMsg[schedulerType]->taskType = taskType;\r
 162         NSHeadMsg[schedulerType]->taskData = data;\r
 163         NSHeadMsg[schedulerType]->nextTask = NULL;\r
 164         NSTailMsg[schedulerType] = NSHeadMsg[schedulerType];\r
 165     }\r
 166     else\r
 167     {\r
 168         NSTask* newNode = (NSTask*) OICMalloc(sizeof(NSTask));\r
 169         memset(newNode, 0, sizeof(NSTask));\r
 170         newNode->taskType = taskType;\r
 171         newNode->taskData = data;\r
 172         newNode->nextTask = NULL;\r
 173 \r
 174         NSTailMsg[schedulerType]->nextTask = newNode;\r
 175         NSTailMsg[schedulerType] = newNode;\r
 176     }\r
 177 \r
 178     sem_post(&(NSSemaphore[schedulerType]));\r
 179     NS_LOG(DEBUG, "NSPushQueue - OUT");\r
 180     pthread_mutex_unlock(&NSMutex[schedulerType]);\r
 181 }\r
 182 \r
 183 void NSFreeData(NSSchedulerType type, NSTask * task)\r
 184 {\r
 185     NS_LOG(DEBUG, "NSFreeData - IN");\r
 186 \r
 187     if (type == INTERFACE_SCHEDULER)\r
 188     {\r
 189         switch (task->taskType)\r
 190         {\r
 191             case TASK_CB_SUBSCRIPTION:\r
 192                 NS_LOG(DEBUG, "CASE TASK_CB_SUBSCRIPTION : Free");\r
 193                 NSFreeOCEntityHandlerRequest((OCEntityHandlerRequest*) task->taskData);\r
 194                 break;\r
 195             case TASK_CB_SYNC:\r
 196                 NS_LOG(DEBUG, "CASE TASK_CB_SYNC : Free");\r
 197                 NSFreeSync((NSSyncInfo*) task->taskData);\r
 198                 break;\r
 199             default:\r
 200                 NS_LOG(DEBUG, "No Task Type");\r
 201                 break;\r
 202         }\r
 203     }\r
 204     else if (type == DISCOVERY_SCHEDULER)\r
 205     {\r
 206         switch (task->taskType)\r
 207         {\r
 208             case TASK_START_PRESENCE:\r
 209             case TASK_STOP_PRESENCE:\r
 210             case TASK_REGISTER_RESOURCE:\r
 211                 NS_LOG(DEBUG, "Not required Free");\r
 212                 break;\r
 213             default:\r
 214                 NS_LOG(DEBUG, "No Task Type");\r
 215                 break;\r
 216         }\r
 217     }\r
 218     else if (type == SUBSCRIPTION_SCHEDULER)\r
 219     {\r
 220         switch (task->taskType)\r
 221         {\r
 222             case TASK_SEND_POLICY:\r
 223             case TASK_RECV_SUBSCRIPTION:\r
 224             case TASK_RECV_UNSUBSCRIPTION:\r
 225             case TASK_SYNC_SUBSCRIPTION:\r
 226                 NS_LOG(DEBUG, "NSFreeOCEntityHandlerRequest : Free ");\r
 227                 NSFreeOCEntityHandlerRequest((OCEntityHandlerRequest*) task->taskData);\r
 228                 break;\r
 229             case TASK_SEND_ALLOW:\r
 230             case TASK_SEND_DENY:\r
 231                 NS_LOG(DEBUG, "NSFreeConsumer : Free ");\r
 232                 NSFreeConsumer((NSConsumer *) task->taskData);\r
 233                 break;\r
 234             default:\r
 235                 NS_LOG(DEBUG, "No Task Type");\r
 236                 break;\r
 237         }\r
 238     }\r
 239     else if (type == NOTIFICATION_SCHEDULER)\r
 240     {\r
 241         switch (task->taskType)\r
 242         {\r
 243             case TASK_SEND_NOTIFICATION:\r
 244             {\r
 245                 NS_LOG(DEBUG, "NSFreeMessage : Free ");\r
 246                 NSFreeMessage((NSMessage *)task->taskData);\r
 247                 break;\r
 248             }\r
 249             case TASK_SEND_READ:\r
 250             case TASK_RECV_READ:\r
 251                 NS_LOG(DEBUG, "NSFreeSync : Free ");\r
 252                 NSFreeSync((NSSyncInfo*) task->taskData);\r
 253                 break;\r
 254 \r
 255             default:\r
 256                 NS_LOG(DEBUG, "No Task Type");\r
 257                 break;\r
 258         }\r
 259     }\r
 260 \r
 261     NS_LOG(DEBUG, "NSFreeData - OUT");\r
 262 }\r