124 lines
3.8 KiB
C++
124 lines
3.8 KiB
C++
/****************************************************************************
|
|
Copyright (c) 2009, Radon Labs GmbH
|
|
Copyright (c) 2011-2013,WebJet Business Division,CYOU
|
|
|
|
http://www.genesis-3d.com.cn
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
of this software and associated documentation files (the "Software"), to deal
|
|
in the Software without restriction, including without limitation the rights
|
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
copies of the Software, and to permit persons to whom the Software is
|
|
furnished to do so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in
|
|
all copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
THE SOFTWARE.
|
|
****************************************************************************/
|
|
|
|
#include "stdneb.h"
|
|
#include "messaging/blockinghandlerthread.h"
|
|
|
|
namespace Messaging
|
|
{
|
|
__ImplementClass(Messaging::BlockingHandlerThread, 'BLHT', Messaging::HandlerThreadBase);
|
|
|
|
//------------------------------------------------------------------------------
|
|
/**
|
|
*/
|
|
BlockingHandlerThread::BlockingHandlerThread() :
|
|
waitTimeout(200)
|
|
{
|
|
// empty
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
/**
|
|
This adds a new message to the thread's message queue.
|
|
*/
|
|
void
|
|
BlockingHandlerThread::AddMessage(const GPtr<Message>& msg)
|
|
{
|
|
n_assert(msg.isvalid());
|
|
this->msgQueue.Enqueue(msg);
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
/**
|
|
This removes a message from the thread's message queue, regardless
|
|
of its state.
|
|
*/
|
|
void
|
|
BlockingHandlerThread::CancelMessage(const GPtr<Message>& msg)
|
|
{
|
|
n_assert(msg.isvalid());
|
|
this->msgQueue.EraseMatchingElements(msg);
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
/**
|
|
This method is called by Thread::Stop() after setting the
|
|
stopRequest event and before waiting for the thread to stop.
|
|
*/
|
|
void
|
|
BlockingHandlerThread::EmitWakeupSignal()
|
|
{
|
|
// wake up our thread if it's waiting for messages
|
|
this->msgQueue.Signal();
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
/**
|
|
The message processing loop.
|
|
*/
|
|
void
|
|
BlockingHandlerThread::DoWork()
|
|
{
|
|
this->ThreadOpenHandlers();
|
|
while (!this->ThreadStopRequested())
|
|
{
|
|
// wait for next message, or timeout
|
|
bool msgHandled = false;
|
|
if (this->waitTimeout > 0)
|
|
{
|
|
this->msgQueue.WaitTimeout(this->waitTimeout);
|
|
}
|
|
else
|
|
{
|
|
this->msgQueue.Wait();
|
|
}
|
|
|
|
// update state of deferred messages
|
|
msgHandled = this->ThreadUpdateDeferredMessages();
|
|
|
|
// process messages
|
|
if (!this->msgQueue.IsEmpty())
|
|
{
|
|
Util::Array<GPtr<Message> > msgArray;
|
|
//this->msgQueue.DequeueAll(msgArray);
|
|
this->msgQueue.DequeueAllBySwap(msgArray);
|
|
msgHandled |= this->ThreadHandleMessages(msgArray);
|
|
}
|
|
// signal if at least one message has been handled
|
|
if (msgHandled)
|
|
{
|
|
this->ThreadSignalMessageHandled();
|
|
}
|
|
|
|
// do per-frame update on attached handlers
|
|
this->ThreadUpdateHandlers();
|
|
}
|
|
|
|
// cleanup and exit thread
|
|
this->ThreadDiscardDeferredMessages();
|
|
this->ThreadCloseHandlers();
|
|
}
|
|
|
|
} // namespace Messaging
|