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/*
Copyright (c) 2007-2009, Damian Stewart
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of the developer nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY DAMIAN STEWART ''AS IS'' AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL DAMIAN STEWART BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <deque>
#include "ofMain.h"
#ifdef TARGET_WIN32
// threads
#include <windows.h>
#else
// threads
#include <pthread.h>
#endif
// osc
#include "OscTypes.h"
#include "OscPacketListener.h"
#include "UdpSocket.h"
// ofxOsc
#include "ofxOscMessage.h"
class ofxOscReceiver : public osc::OscPacketListener
{
public:
ofxOscReceiver();
~ofxOscReceiver();
/// listen_port is the port to listen for messages on
void setup( int listen_port );
/// returns true if there are any messages waiting for collection
bool hasWaitingMessages();
/// take the next message on the queue of received messages, copy its details into message, and
/// remove it from the queue. return false if there are no more messages to be got, otherwise
/// return true
bool getNextMessage( ofxOscMessage* );
bool getParameter(ofAbstractParameter & parameter);
protected:
/// process an incoming osc message and add it to the queue
virtual void ProcessMessage( const osc::ReceivedMessage &m, const IpEndpointName& remoteEndpoint );
private:
// shutdown the listener
void shutdown();
// start the listening thread
#ifdef TARGET_WIN32
static DWORD WINAPI startThread( void* ofxOscReceiverInstance );
#else
static void* startThread( void* ofxOscReceiverInstance );
#endif
// queue of osc messages
std::deque< ofxOscMessage* > messages;
// socket to listen on
UdpListeningReceiveSocket* listen_socket;
// mutex helpers
void grabMutex();
void releaseMutex();
#ifdef TARGET_WIN32
// thread to listen with
HANDLE thread;
// mutex for the thread queue
HANDLE mutex;
#else
// thread to listen with
pthread_t thread;
// mutex for the message queue
pthread_mutex_t mutex;
#endif
// ready to be deleted
bool socketHasShutdown;
};
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