Support TCP for protocol messages

Jamulus.pro

@@ -412,6 +412,8 @@ HEADERS += src/plugins/audioreverb.h \
     src/serverlogging.h \
     src/settings.h \
     src/socket.h \
+    src/tcpserver.h \
+    src/tcpconnection.h \
     src/util.h \
     src/recorder/jamrecorder.h \
     src/recorder/creaperproject.h \
@@ -520,6 +522,8 @@ SOURCES += src/plugins/audioreverb.cpp \
     src/settings.cpp \
     src/signalhandler.cpp \
     src/socket.cpp \
+    src/tcpserver.cpp \
+    src/tcpconnection.cpp \
     src/util.cpp \
     src/recorder/jamrecorder.cpp \
     src/recorder/creaperproject.cpp \
@@ -725,6 +729,7 @@ DISTFILES += ChangeLog \
     docs/JAMULUS_PROTOCOL.md \
     docs/JSON-RPC.md \
     docs/README.md \
+    docs/TCP.md \
     docs/TRANSLATING.md \
     linux/jamulus.desktop.in \
     linux/jamulus-server.desktop.in \

src/channel.cpp

@@ -48,6 +48,7 @@
 
 // CChannel implementation *****************************************************
 CChannel::CChannel ( const bool bNIsServer ) :
+    pTcpConnection ( nullptr ),
     vecfGains ( MAX_NUM_CHANNELS, 1.0f ),
     vecfPannings ( MAX_NUM_CHANNELS, 0.5f ),
     iCurSockBufNumFrames ( INVALID_INDEX ),
@@ -59,6 +60,7 @@ CChannel::CChannel ( const bool bNIsServer ) :
     bIsEnabled ( false ),
     bIsServer ( bNIsServer ),
     bIsIdentified ( false ),
+    iChannelToken ( 0 ),
     iAudioFrameSizeSamples ( DOUBLE_SYSTEM_FRAME_SIZE_SAMPLES ),
     SignalLevelMeter ( false, 0.5 ) // server mode with mono out and faster smoothing
 {
@@ -103,7 +105,7 @@ CChannel::CChannel ( const bool bNIsServer ) :
 
     QObject::connect ( &Protocol, &CProtocol::ChangeChanPan, this, &CChannel::OnChangeChanPan );
 
-    QObject::connect ( &Protocol, &CProtocol::ClientIDReceived, this, &CChannel::ClientIDReceived );
+    QObject::connect ( &Protocol, &CProtocol::ClientIDReceived, this, &CChannel::OnClientIDReceived );
 
     QObject::connect ( &Protocol, &CProtocol::RawAudioSupported, this, &CChannel::RawAudioSupported );
 
@@ -762,3 +764,28 @@ void CChannel::UpdateSocketBufferSize()
         SetSockBufNumFrames ( SockBuf.GetAutoSetting(), true );
     }
 }
+
+void CChannel::OnClientIDReceived ( int iChanID ) { emit ClientIDReceived ( iChanID ); }
+
+void CChannel::CreateConClientListMes ( const CVector<CChannelInfo>& vecChanInfo, CProtocol& ConnLessProtocol )
+{
+    if ( pTcpConnection )
+    {
+        ConnLessProtocol.CreateCLConnClientsListMes ( InetAddr, vecChanInfo, pTcpConnection );
+    }
+    else
+    {
+        Protocol.CreateConClientListMes ( vecChanInfo );
+    }
+}
+
+void CChannel::SetTcpConnection ( CTcpConnection* pConnection )
+{
+    if ( pTcpConnection )
+    {
+        // this should never happen, but handle it if it does
+        pTcpConnection->disconnectFromHost();
+    }
+
+    pTcpConnection = pConnection;
+}

src/channel.h

@@ -106,9 +106,15 @@ class CChannel : public QObject
     void SetEnable ( const bool bNEnStat );
     bool IsEnabled() { return bIsEnabled; }
 
+    void    SetChannelToken ( const quint32 iNChannelToken ) { iChannelToken = iNChannelToken; }
+    quint32 GetChannelToken() { return iChannelToken; }
+
     void                SetAddress ( const CHostAddress& NAddr ) { InetAddr = NAddr; }
     const CHostAddress& GetAddress() const { return InetAddr; }
 
+    void            SetTcpConnection ( CTcpConnection* pConnection );
+    CTcpConnection* GetTcpConnection() { return pTcpConnection; }
+
     void             ResetInfo(); // reset does not emit a message
     QString          GetName();
     void             SetChanInfo ( const CChannelCoreInfo& NChanInf );
@@ -181,7 +187,7 @@ class CChannel : public QObject
     void CreateReqChannelLevelListMes() { Protocol.CreateReqChannelLevelListMes(); }
     //### TODO: END ###//
 
-    void CreateConClientListMes ( const CVector<CChannelInfo>& vecChanInfo ) { Protocol.CreateConClientListMes ( vecChanInfo ); }
+    void CreateConClientListMes ( const CVector<CChannelInfo>& vecChanInfo, CProtocol& ConnLessProtocol );
 
     void CreateRecorderStateMes ( const ERecorderState eRecorderState ) { Protocol.CreateRecorderStateMes ( eRecorderState ); }
 
@@ -206,7 +212,8 @@ class CChannel : public QObject
     }
 
     // connection parameters
-    CHostAddress InetAddr;
+    CHostAddress    InetAddr;
+    CTcpConnection* pTcpConnection;
 
     // channel info
     CChannelCoreInfo ChannelInfo;
@@ -237,6 +244,8 @@ class CChannel : public QObject
     bool              bIsServer;
     std::atomic<bool> bIsIdentified;
 
+    quint32 iChannelToken;
+
     int iNetwFrameSizeFact;
     int iNetwFrameSize;
     int iCeltNumCodedBytes;
@@ -275,11 +284,12 @@ public slots:
         PutProtocolData ( iRecCounter, iRecID, vecbyMesBodyData, RecHostAddr );
     }
 
-    void OnProtocolCLMessageReceived ( int iRecID, CVector<uint8_t> vecbyMesBodyData, CHostAddress RecHostAddr )
+    void OnProtocolCLMessageReceived ( int iRecID, CVector<uint8_t> vecbyMesBodyData, CHostAddress RecHostAddr, CTcpConnection* pTcpConnection )
     {
-        emit DetectedCLMessage ( vecbyMesBodyData, iRecID, RecHostAddr );
+        emit DetectedCLMessage ( vecbyMesBodyData, iRecID, RecHostAddr, pTcpConnection );
     }
 
+    void OnClientIDReceived ( int iChanID );
     void OnNewConnection() { emit NewConnection(); }
 
 signals:
@@ -303,7 +313,7 @@ public slots:
     void RecorderStateReceived ( ERecorderState eRecorderState );
     void Disconnected();
 
-    void DetectedCLMessage ( CVector<uint8_t> vecbyMesBodyData, int iRecID, CHostAddress RecHostAddr );
+    void DetectedCLMessage ( CVector<uint8_t> vecbyMesBodyData, int iRecID, CHostAddress RecHostAddr, CTcpConnection* pTcpConnection );
 
     void ParseMessageBody ( CVector<uint8_t> vecbyMesBodyData, int iRecCounter, int iRecID );
 };