mbed Connector Endpoint interface. This interface permits a mbed endpoint to easily setup MDS resources and emit those resources to an MDS server.

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api/ThreadedResourceObserver.cpp

Committer:
ansond
Date:
2015-04-07
Revision:
30:113c2a1d8db2
Child:
31:bacc63106754

File content as of revision 30:113c2a1d8db2:

/**
 * @file    ThreadedResourceObserver.cpp
 * @brief   mbed CoAP DynamicResource Thread-based observer (implementation)
 * @author  Doug Anson/Chris Paola
 * @version 1.0
 * @see
 *
 * Copyright (c) 2014
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
 #include "ThreadedResourceObserver.h"
 
 // constructor
 ThreadedResourceObserver::ThreadedResourceObserver(DynamicResource *resource,int sleep_time_ms) : 
                                                            ResourceObserver(resource), 
                                                            m_begin_observation(false), 
                                                            m_observation_thread(&ThreadedResourceObserver::_observation_notifier,this),
                                                            m_sleep_time_ms(sleep_time_ms) {
 }
 
 // destructor
 ThreadedResourceObserver::~ThreadedResourceObserver() {
     this->m_observation_thread.terminate();
 }
 
 // notifier
 void ThreadedResourceObserver::_observation_notifier(void const *args) {
     ThreadedResourceObserver *me = (ThreadedResourceObserver *)args;
     while(true) {
         Thread::wait(me->m_sleep_time_ms);
         if (me->m_begin_observation == true && me->m_resource != NULL) {
             me->m_resource->observe();
         }
     }
 }
 
 // begin observing...
 void ThreadedResourceObserver::beginObservation() {
     this->m_begin_observation = true;
 }