UdpHubListener.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 __UDPHUBLISTENER_H__
#define __UDPHUBLISTENER_H__
 
#include <iostream>
#include <stdexcept>
#include <fstream>
 
#include <QThread>
#include <QThreadPool>
#include <QUdpSocket>
#include <QHostAddress>
#include <QTcpSocket>
#include <QTcpServer>
#include <QMutex>
 
#include "JackTrip.h"
#include "jacktrip_types.h"
#include "jacktrip_globals.h"
class JackTripWorker; // forward declaration
class Settings;
 
typedef struct {
    QString address;
    int16_t port;
} addressPortPair;
 
class UdpHubListener : public QObject
{
    Q_OBJECT;
 
public:
    UdpHubListener(int server_port = gServerUdpPort, int server_udp_port = 0);
    virtual ~UdpHubListener();
 
    void start();
 
    void stop() { mStopped = true; }
 
    int releaseThread(int id);
 
    void setConnectDefaultAudioPorts(bool connectDefaultAudioPorts) { m_connectDefaultAudioPorts = connectDefaultAudioPorts; }
    
    static void sigIntHandler(__attribute__((unused)) int unused)
    { std::cout << std::endl << "Shutting Down..." << std::endl; sSigInt = true; }
 
private slots:
    void testReceive()
    { std::cout << "========= TEST RECEIVE SLOT ===========" << std::endl; }
    void receivedNewConnection();
    void stopCheck();
 
signals:
    void Listening();
    void ClientAddressSet();
    void signalRemoveThread(int id);
    void signalStopped();
    void signalError(const QString &errorMessage);
 
private:
    void receivedClientInfo(QTcpSocket *clientConnection);
 
    static void bindUdpSocket(QUdpSocket& udpsocket, int port);
 
    uint16_t readClientUdpPort(QTcpSocket* clientConnection, QString &clientName);
    int sendUdpPort(QTcpSocket* clientConnection, int udp_port);
 
 
    //void sendToPoolPrototype(int id);
 
    int isNewAddress(QString address, uint16_t port);
 
    int getPoolID(QString address, uint16_t port);
    
    void stopAllThreads();
 
    //QUdpSocket mUdpHubSocket; ///< The UDP socket
    //QHostAddress mPeerAddress; ///< The Peer Address
 
    //JackTripWorker* mJTWorker; ///< Class that will be used as prototype
    QVector<JackTripWorker*>* mJTWorkers; 
    QThreadPool mThreadPool; 
 
    QTcpServer mTcpServer;
    int mServerPort; //< Server known port number
    int mServerUdpPort; //< Server udp base port number
    int mBasePort;
    addressPortPair mActiveAddress[gMaxThreads]; 
    QHash<QString, uint16_t> mActiveAddressPortPair;
 
    volatile bool mStopped;
    static bool sSigInt;
    QTimer mStopCheckTimer;
    int mTotalRunningThreads; 
    QMutex mMutex;
    JackTrip::underrunModeT mUnderRunMode;
    int mBufferQueueLength;
    
    QStringList mHubPatchDescriptions;
    bool m_connectDefaultAudioPorts;
 
    int mIOStatTimeout;
    QSharedPointer<std::ofstream> mIOStatStream;
 
    int mBufferStrategy;
    int mBroadcastQueue;
    double mSimulatedLossRate;
    double mSimulatedJitterRate;
    double mSimulatedDelayRel;
    bool mUseRtUdpPriority;
    
#ifdef WAIR // wair
    bool mWAIR;
    void connectMesh(bool spawn);
    void enumerateRunningThreadIDs();
public :
    void setWAIR(int b) {mWAIR = b;}
    bool isWAIR() {return mWAIR;}
#endif // endwhere
    void connectPatch(bool spawn);
public :
    unsigned int mHubPatch;
    void setHubPatch(unsigned int p) {mHubPatch = p;}
    unsigned int getHubPatch() {return mHubPatch;}
 
    void setUnderRunMode(JackTrip::underrunModeT UnderRunMode) { mUnderRunMode = UnderRunMode; }
    void setBufferQueueLength(int BufferQueueLength) { mBufferQueueLength = BufferQueueLength; }
    
    void setIOStatTimeout(int timeout) { mIOStatTimeout = timeout; }
    void setIOStatStream(QSharedPointer<std::ofstream> statStream) { mIOStatStream = statStream; }
 
    void setBufferStrategy(int BufferStrategy) { mBufferStrategy = BufferStrategy; }
    void setNetIssuesSimulation(double loss, double jitter, double delay_rel)
    {
        mSimulatedLossRate = loss;
        mSimulatedJitterRate = jitter;
        mSimulatedDelayRel = delay_rel;
    }
    void setBroadcast(int broadcast_queue) {mBroadcastQueue = broadcast_queue;}
    void setUseRtUdpPriority(bool use) {mUseRtUdpPriority = use;}
 
};
 
 
#endif //__UDPHUBLISTENER_H__