1 /******************************************************************
3 * Copyright 2014 Samsung Electronics All Rights Reserved.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
19 ******************************************************************/
25 #include <sys/syscall.h>
26 #include <sys/types.h>
28 #include "caqueueingthread.h"
29 #include "oic_malloc.h"
34 static void CAQueueingThreadBaseRoutine(void *threadValue)
36 OIC_LOG_V(DEBUG, TAG, "message handler main thread start..");
38 CAQueueingThread_t *thread = (CAQueueingThread_t *) threadValue;
42 OIC_LOG_V(DEBUG, TAG, "thread data passing error!!");
47 while (!thread->isStop)
50 u_mutex_lock(thread->threadMutex);
52 // if queue is empty, thread will wait
53 if (u_queue_get_size(thread->dataQueue) <= 0)
55 OIC_LOG_V(DEBUG, TAG, "wait..");
58 u_cond_wait(thread->threadCond, thread->threadMutex);
60 OIC_LOG_V(DEBUG, TAG, "wake up..");
64 u_mutex_unlock(thread->threadMutex);
71 u_queue_message_t *message = u_queue_get_element(thread->dataQueue);
77 void *data = message->msg;
80 thread->threadTask(data);
83 if (thread->destroy != NULL)
85 thread->destroy(message->msg, message->size);
89 OICFree(message->msg);
95 // remove all remained list data.
96 while (u_queue_get_size(thread->dataQueue) > 0)
99 u_queue_message_t *message = u_queue_get_element(thread->dataQueue);
102 if (thread->destroy != NULL)
104 thread->destroy(message->msg, message->size);
108 OICFree(message->msg);
114 u_cond_signal(thread->threadCond);
116 OIC_LOG_V(DEBUG, TAG, "message handler main thread end..");
119 CAResult_t CAQueueingThreadInitialize(CAQueueingThread_t *thread, u_thread_pool_t handle,
120 CAThreadTask task, CADataDestroyFunction destroy)
124 OIC_LOG_V(DEBUG, TAG, "thread instance is empty..");
125 return CA_STATUS_FAILED;
130 OIC_LOG_V(DEBUG, TAG, "thread pool handle is empty..");
131 return CA_STATUS_FAILED;
134 OIC_LOG_V(DEBUG, TAG, "thread initialize..");
136 memset(thread, 0, sizeof(CAQueueingThread_t));
141 // set send thread data
142 thread->threadPool = handle;
143 thread->dataQueue = u_queue_create();
144 thread->threadMutex = u_mutex_new();
145 thread->threadCond = u_cond_new();
146 thread->isStop = CA_TRUE;
147 thread->threadTask = task;
148 thread->destroy = destroy;
153 CAResult_t CAQueueingThreadStart(CAQueueingThread_t *thread)
157 OIC_LOG_V(DEBUG, TAG, "thread instance is empty..");
158 return CA_STATUS_FAILED;
161 if (thread->threadPool == NULL)
163 OIC_LOG_V(DEBUG, TAG, "thread pool handle is empty..");
164 return CA_STATUS_FAILED;
167 if (CA_FALSE == thread->isStop) //Queueing thread already running
169 OIC_LOG_V(DEBUG, TAG, "queueing thread already running..");
173 thread->isStop = CA_FALSE;
174 CAResult_t res = u_thread_pool_add_task(thread->threadPool, CAQueueingThreadBaseRoutine,
176 if (res != CA_STATUS_OK)
178 OIC_LOG_V(DEBUG, TAG, "thread pool add task error(send thread).");
179 thread->isStop = CA_TRUE;
186 CAResult_t CAQueueingThreadAddData(CAQueueingThread_t *thread, void *data, uint32_t size)
190 OIC_LOG_V(DEBUG, TAG, "thread instance is empty..");
191 return CA_STATUS_FAILED;
194 if (data == NULL || size == 0)
196 OIC_LOG_V(DEBUG, TAG, "data is empty..");
198 return CA_STATUS_FAILED;
201 // create thread data
202 u_queue_message_t *message = (u_queue_message_t *) OICMalloc(sizeof(u_queue_message_t));
206 OIC_LOG_V(DEBUG, TAG, "memory error!!");
207 return CA_MEMORY_ALLOC_FAILED;
209 memset(message, 0, sizeof(u_queue_message_t));
212 message->size = sizeof(size);
215 u_mutex_lock(thread->threadMutex);
217 // add thread data into list
218 u_queue_add_element(thread->dataQueue, message);
221 u_cond_signal(thread->threadCond);
224 u_mutex_unlock(thread->threadMutex);
229 CAResult_t CAQueueingThreadDestroy(CAQueueingThread_t *thread)
233 OIC_LOG_V(DEBUG, TAG, "thread instance is empty..");
234 return CA_STATUS_FAILED;
237 OIC_LOG_V(DEBUG, TAG, "thread destroy..");
239 u_mutex_free(thread->threadMutex);
240 thread->threadMutex = NULL;
241 u_cond_free(thread->threadCond);
242 u_queue_delete(thread->dataQueue);
247 CAResult_t CAQueueingThreadStop(CAQueueingThread_t *thread)
251 OIC_LOG_V(DEBUG, TAG, "thread instance is empty..");
252 return CA_STATUS_FAILED;
255 OIC_LOG_V(DEBUG, TAG, "thread stop request!!");
260 u_mutex_lock(thread->threadMutex);
263 thread->isStop = CA_TRUE;
266 u_cond_signal(thread->threadCond);
268 u_cond_wait(thread->threadCond, thread->threadMutex);
271 u_mutex_unlock(thread->threadMutex);