d4e598d57a
git-svn-id: http://webrtc.googlecode.com/svn/trunk@6799 4adac7df-926f-26a2-2b94-8c16560cd09d
109 lines
3.2 KiB
C++
109 lines
3.2 KiB
C++
/*
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* libjingle
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* Copyright 2005 Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "webrtc/base/common.h"
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#include "talk/session/media/channelmanager.h"
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#include "talk/session/media/mediamonitor.h"
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namespace cricket {
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enum {
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MSG_MONITOR_POLL = 1,
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MSG_MONITOR_START = 2,
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MSG_MONITOR_STOP = 3,
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MSG_MONITOR_SIGNAL = 4
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};
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MediaMonitor::MediaMonitor(rtc::Thread* worker_thread,
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rtc::Thread* monitor_thread)
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: worker_thread_(worker_thread),
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monitor_thread_(monitor_thread), monitoring_(false), rate_(0) {
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}
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MediaMonitor::~MediaMonitor() {
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monitoring_ = false;
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monitor_thread_->Clear(this);
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worker_thread_->Clear(this);
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}
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void MediaMonitor::Start(uint32 milliseconds) {
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rate_ = milliseconds;
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if (rate_ < 100)
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rate_ = 100;
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worker_thread_->Post(this, MSG_MONITOR_START);
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}
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void MediaMonitor::Stop() {
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worker_thread_->Post(this, MSG_MONITOR_STOP);
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rate_ = 0;
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}
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void MediaMonitor::OnMessage(rtc::Message* message) {
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rtc::CritScope cs(&crit_);
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switch (message->message_id) {
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case MSG_MONITOR_START:
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ASSERT(rtc::Thread::Current() == worker_thread_);
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if (!monitoring_) {
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monitoring_ = true;
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PollMediaChannel();
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}
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break;
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case MSG_MONITOR_STOP:
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ASSERT(rtc::Thread::Current() == worker_thread_);
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if (monitoring_) {
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monitoring_ = false;
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worker_thread_->Clear(this);
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}
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break;
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case MSG_MONITOR_POLL:
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ASSERT(rtc::Thread::Current() == worker_thread_);
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PollMediaChannel();
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break;
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case MSG_MONITOR_SIGNAL:
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ASSERT(rtc::Thread::Current() == monitor_thread_);
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Update();
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break;
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}
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}
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void MediaMonitor::PollMediaChannel() {
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rtc::CritScope cs(&crit_);
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ASSERT(rtc::Thread::Current() == worker_thread_);
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GetStats();
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// Signal the monitoring thread, start another poll timer
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monitor_thread_->Post(this, MSG_MONITOR_SIGNAL);
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worker_thread_->PostDelayed(rate_, this, MSG_MONITOR_POLL);
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}
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}
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