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 { 0, };\r
  31 NSTask* NSTailMsg[THREAD_COUNT] =\r
  32 { 0, };\r
  33 \r
  34 void * NSResponseSchedule(void *ptr);\r
  35 void * NSDiscoverySchedule(void *ptr);\r
  36 void * NSSubScriptionSchedule(void *ptr);\r
  37 void * NSNotificationSchedule(void *ptr);\r
  38 \r
  39 bool NSInitScheduler()\r
  40 {\r
  41     OIC_LOG(INFO, SCHEDULER_TAG, "NSInitScheduler()");\r
  42 \r
  43     int i = 0;\r
  44     //  NsQsStopScheduler(ALL_SCHEDULER);\r
  45 \r
  46     for (i = 0; i < THREAD_COUNT; i++)\r
  47     {\r
  48         pthread_mutex_init(&NSMutex[i], NULL);\r
  49         NSIsRunning[i] = true;\r
  50         sem_init(&(NSSemaphore[i]), 0, 0);\r
  51     }\r
  52 \r
  53     return true;\r
  54 }\r
  55 \r
  56 bool NSStartScheduler()\r
  57 {\r
  58     int i = 0;\r
  59 \r
  60     for (i = 0; i < THREAD_COUNT; i++)\r
  61     {\r
  62         pthread_mutex_lock(&NSMutex[i]);\r
  63 \r
  64         switch (i)\r
  65         {\r
  66             case RESPONSE_SCHEDULER:\r
  67             {\r
  68                 pthread_create(&NSThread[i], NULL, NSResponseSchedule, NULL);\r
  69             }\r
  70                 break;\r
  71 \r
  72             case DISCOVERY_SCHEDULER:\r
  73             {\r
  74                 pthread_create(&NSThread[i], NULL, NSDiscoverySchedule, NULL);\r
  75             }\r
  76                 break;\r
  77 \r
  78             case SUBSCRIPTION_SCHEDULER:\r
  79             {\r
  80                 pthread_create(&NSThread[i], NULL, NSSubScriptionSchedule, NULL);\r
  81             }\r
  82                 break;\r
  83 \r
  84             case NOTIFICATION_SCHEDULER:\r
  85             {\r
  86                 pthread_create(&NSThread[i], NULL, NSNotificationSchedule, NULL);\r
  87             }\r
  88                 break;\r
  89 \r
  90             default:\r
  91                 break;\r
  92 \r
  93         }\r
  94 \r
  95         NSHeadMsg[i] = NSTailMsg[i] = NULL;\r
  96 \r
  97         pthread_mutex_unlock(&NSMutex[i]);\r
  98 \r
  99     }\r
 100 \r
 101     return true;\r
 102 }\r
 103 \r
 104 bool NSStopScheduler()\r
 105 {\r
 106     int i = 0;\r
 107 \r
 108     for (i = THREAD_COUNT - 1; i >= 0; --i)\r
 109     {\r
 110 \r
 111         NSIsRunning[i] = false;\r
 112 \r
 113         pthread_join(NSThread[i], (void *) NULL);\r
 114         NSThread[i] = 0;\r
 115 \r
 116         pthread_mutex_lock(&NSMutex[i]);\r
 117 \r
 118         while (NSHeadMsg[i]->nextTask != NULL)\r
 119         {\r
 120             NSTask* temp = NSHeadMsg[i];\r
 121             NSHeadMsg[i] = NSHeadMsg[i]->nextTask;\r
 122             OICFree(temp);\r
 123         }\r
 124 \r
 125         OICFree(NSHeadMsg[i]);\r
 126 \r
 127         pthread_mutex_unlock(&NSMutex[i]);\r
 128     }\r
 129 \r
 130     return true;\r
 131 }\r
 132 \r
 133 void NSPushQueue(NSSchedulerType schedulerType, NSTaskType taskType, void* data)\r
 134 {\r
 135     pthread_mutex_lock(&NSMutex[schedulerType]);\r
 136     // mutext Lock\r
 137     if (NSHeadMsg[schedulerType] == NULL)\r
 138     {\r
 139         printf("first schedule");\r
 140         NSHeadMsg[schedulerType] = (NSTask*) malloc(sizeof(NSTask));\r
 141         memset(NSHeadMsg[schedulerType], 0, sizeof(NSTask));\r
 142         NSHeadMsg[schedulerType]->taskType = taskType;\r
 143         NSHeadMsg[schedulerType]->taskData = data;\r
 144         NSHeadMsg[schedulerType]->nextTask = NULL;\r
 145         NSTailMsg[schedulerType] = NSHeadMsg[schedulerType];\r
 146     }\r
 147     else\r
 148     {\r
 149         printf("after first schedule");\r
 150         NSTask* newNode = (NSTask*) malloc(sizeof(NSTask));\r
 151         memset(newNode, 0, sizeof(NSTask));\r
 152         newNode->taskType = taskType;\r
 153         newNode->taskData = data;\r
 154         newNode->nextTask = NULL;\r
 155 \r
 156         NSTailMsg[schedulerType]->nextTask = newNode;\r
 157         NSTailMsg[schedulerType] = newNode;\r
 158     }\r
 159 \r
 160     sem_post(&(NSSemaphore[schedulerType]));\r
 161     pthread_mutex_unlock(&NSMutex[schedulerType]);\r
 162 \r
 163     // mutext UnLock\r
 164 }\r
 165 \r