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);
73 void *data = message->msg;
76 thread->threadTask(data);
82 u_cond_signal(thread->threadCond);
84 OIC_LOG_V(DEBUG, TAG, "message handler main thread end..");
87 CAResult_t CAQueueingThreadInitialize(CAQueueingThread_t *thread, u_thread_pool_t handle,
92 OIC_LOG_V(DEBUG, TAG, "thread instance is empty..");
93 return CA_STATUS_FAILED;
98 OIC_LOG_V(DEBUG, TAG, "thread pool handle is empty..");
99 return CA_STATUS_FAILED;
102 OIC_LOG_V(DEBUG, TAG, "thread initialize..");
104 memset(thread, 0, sizeof(CAQueueingThread_t));
109 // set send thread data
110 thread->threadPool = handle;
111 thread->dataQueue = u_queue_create();
112 thread->threadMutex = u_mutex_new();
113 thread->threadCond = u_cond_new();
114 thread->isStop = CA_TRUE;
115 thread->threadTask = task;
120 CAResult_t CAQueueingThreadStart(CAQueueingThread_t *thread)
124 OIC_LOG_V(DEBUG, TAG, "thread instance is empty..");
125 return CA_STATUS_FAILED;
128 if (thread->threadPool == NULL)
130 OIC_LOG_V(DEBUG, TAG, "thread pool handle is empty..");
131 return CA_STATUS_FAILED;
134 thread->isStop = CA_FALSE;
135 CAResult_t res = u_thread_pool_add_task(thread->threadPool, CAQueueingThreadBaseRoutine,
137 if (res != CA_STATUS_OK)
139 OIC_LOG_V(DEBUG, TAG, "thread pool add task error(send thread).");
140 thread->isStop = CA_TRUE;
147 CAResult_t CAQueueingThreadAddData(CAQueueingThread_t *thread, void *data, uint32_t size)
151 OIC_LOG_V(DEBUG, TAG, "thread instance is empty..");
152 return CA_STATUS_FAILED;
155 if (data == NULL || size == 0)
157 OIC_LOG_V(DEBUG, TAG, "data is empty..");
159 return CA_STATUS_FAILED;
162 // create thread data
163 u_queue_message_t *message = (u_queue_message_t *) OICMalloc(sizeof(u_queue_message_t));
167 OIC_LOG_V(DEBUG, TAG, "memory error!!");
168 return CA_MEMORY_ALLOC_FAILED;
170 memset(message, 0, sizeof(u_queue_message_t));
173 message->size = sizeof(size);
176 u_mutex_lock(thread->threadMutex);
178 // add thread data into list
179 u_queue_add_element(thread->dataQueue, message);
182 u_cond_signal(thread->threadCond);
185 u_mutex_unlock(thread->threadMutex);
190 CAResult_t CAQueueingThreadDestroy(CAQueueingThread_t *thread)
194 OIC_LOG_V(DEBUG, TAG, "thread instance is empty..");
195 return CA_STATUS_FAILED;
198 OIC_LOG_V(DEBUG, TAG, "thread destroy..");
200 u_mutex_free(thread->threadMutex);
201 thread->threadMutex = NULL;
202 u_cond_free(thread->threadCond);
203 u_queue_delete(thread->dataQueue);
208 CAResult_t CAQueueingThreadStop(CAQueueingThread_t *thread)
212 OIC_LOG_V(DEBUG, TAG, "thread instance is empty..");
213 return CA_STATUS_FAILED;
216 OIC_LOG_V(DEBUG, TAG, "thread stop request!!");
221 u_mutex_lock(thread->threadMutex);
224 thread->isStop = CA_TRUE;
227 u_cond_signal(thread->threadCond);
229 u_cond_wait(thread->threadCond, thread->threadMutex);
232 u_mutex_unlock(thread->threadMutex);