Diff: api/ThreadedResourceObserver.cpp

Revision:

30:113c2a1d8db2

Child:

31:bacc63106754

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/api/ThreadedResourceObserver.cpp	Tue Apr 07 21:30:03 2015 +0000
@@ -0,0 +1,52 @@
+/**
+ * @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;
+ }
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