UdpMasterListener.h

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//*****************************************************************
/*
  JackTrip: A System for High-Quality Audio Network Performance
  over the Internet

  Copyright (c) 2008 Juan-Pablo Caceres, Chris Chafe.
  SoundWIRE group at CCRMA, Stanford University.
  
  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.
*/
//*****************************************************************

#ifndef __UDPMASTERLISTENER_H__
#define __UDPMASTERLISTENER_H__

#include <iostream>
#include <stdexcept>

#include <QThread>
#include <QThreadPool>
#include <QUdpSocket>
#include <QHostAddress>
#include <QTcpSocket>
#include <QTcpServer>
#include <QMutex>

#include "jacktrip_types.h"
#include "jacktrip_globals.h"
class JackTripWorker; // forward declaration


class UdpMasterListener : public QThread
{
  Q_OBJECT;

public:
  UdpMasterListener(int server_port = gServerUdpPort);
  virtual ~UdpMasterListener();
  
  void run();

  void stop() { mStopped = true; }

  int releaseThread(int id);

private slots:
  void testReceive()
  { std::cout << "========= TEST RECEIVE SLOT ===========" << std::endl; }

signals:
  void Listening();
  void ClientAddressSet();
  void signalRemoveThread(int id);


private:
  static void bindUdpSocket(QUdpSocket& udpsocket, int port) throw(std::runtime_error);

  int readClientUdpPort(QTcpSocket* clientConnection);
  int sendUdpPort(QTcpSocket* clientConnection, int udp_port);


  //void sendToPoolPrototype(int id);

  int isNewAddress(uint32_t address, uint16_t port);

  int getPoolID(uint32_t address, uint16_t port);

  //QUdpSocket mUdpMasterSocket; ///< The UDP socket
  //QHostAddress mPeerAddress; ///< The Peer Address

  //JackTripWorker* mJTWorker; ///< Class that will be used as prototype
  QVector<JackTripWorker*>* mJTWorkers; 
  QThreadPool mThreadPool; 

  int mServerPort; //< Server known port number
  int mBasePort;
  uint32_t mActiveAddress[gMaxThreads][2]; 
  QHash<uint32_t, uint16_t> mActiveAddresPortPair;

  volatile bool mStopped;
  int mTotalRunningThreads; 
  QMutex mMutex;
};


#endif //__UDPMASTERLISTENER_H__