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some cleanup and implemented a nice socket thread exit on shutdown (fixed Qt warnings on shutdown of the software)

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This commit is contained in:
Volker Fischer 2014-02-13 18:38:25 +00:00
parent 7c37d6d018
commit bab6152f8c
2 changed files with 37 additions and 13 deletions
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13
src/socket.cpp
View File

@ -142,6 +142,15 @@ QObject::connect ( this,
#endif
}
#ifdef ENABLE_RECEIVE_SOCKET_IN_SEPARATE_THREAD
void CSocket::Close()
{
// closesocket will cause recvfrom to return with an error because the
// socket is closed -> then the thread can safely be shut down
closesocket ( UdpSocket );
}
#endif
CSocket::~CSocket()
{
#ifdef ENABLE_RECEIVE_SOCKET_IN_SEPARATE_THREAD
@ -240,8 +249,8 @@ void CSocket::OnDataReceived()
&SenderPort );
#endif
// check if an error occurred
if ( iNumBytesRead < 0 )
// check if an error occurred or no data could be read
if ( iNumBytesRead <= 0 )
{
return;
}

37
src/socket.h
View File

@ -81,6 +81,8 @@ public:
bool GetAndResetbJitterBufferOKFlag();
#ifdef ENABLE_RECEIVE_SOCKET_IN_SEPARATE_THREAD
void Close();
void EmitDetectedCLMessage ( const CVector<uint8_t>& vecbyMesBodyData,
const int iRecID )
{
@ -147,22 +149,22 @@ class CHighPrioSocket : public QObject
public:
CHighPrioSocket ( CChannel* pNewChannel,
const quint16 iPortNumber )
const quint16 iPortNumber ) :
Socket ( pNewChannel, iPortNumber )
{
// Creation of the new socket thread which has to have the highest
// possible thread priority to make sure the jitter buffer is reliably
// filled with the network audio packets and does not get interrupted
// by other GUI threads. The following code is based on:
// http://qt-project.org/wiki/Threads_Events_QObjects
pSocket = new CSocket ( pNewChannel, iPortNumber );
pSocket->moveToThread ( &NetworkWorkerThread );
Socket.moveToThread ( &NetworkWorkerThread );
NetworkWorkerThread.SetSocket ( pSocket );
NetworkWorkerThread.SetSocket ( &Socket );
NetworkWorkerThread.start ( QThread::TimeCriticalPriority );
// connect the "InvalidPacketReceived" signal
QObject::connect ( pSocket,
QObject::connect ( &Socket,
SIGNAL ( InvalidPacketReceived ( CVector<uint8_t>, int, CHostAddress ) ),
SIGNAL ( InvalidPacketReceived ( CVector<uint8_t>, int, CHostAddress ) ) );
}
@ -175,12 +177,12 @@ public:
void SendPacket ( const CVector<uint8_t>& vecbySendBuf,
const CHostAddress& HostAddr )
{
pSocket->SendPacket ( vecbySendBuf, HostAddr );
Socket.SendPacket ( vecbySendBuf, HostAddr );
}
bool GetAndResetbJitterBufferOKFlag()
{
return pSocket->GetAndResetbJitterBufferOKFlag();
return Socket.GetAndResetbJitterBufferOKFlag();
}
protected:
@ -190,17 +192,30 @@ protected:
CSocketThread ( CSocket* pNewSocket = NULL, QObject* parent = 0 ) :
QThread ( parent ), pSocket ( pNewSocket ), bRun ( true ) {}
void SetSocket ( CSocket* pNewSocket ) { pSocket = pNewSocket; }
void Stop() { bRun = false;
// TODO wait for thread to be deleted...
virtual ~CSocketThread()
{
// disable run flag so that the thread loop can be exit
bRun = false;
// to leave blocking wait for receive
pSocket->Close();
// give thread some time to terminate
wait ( 5000 );
}
void SetSocket ( CSocket* pNewSocket ) { pSocket = pNewSocket; }
protected:
void run() {
// make sure the socket pointer is initialized (should be always the
// case)
if ( pSocket != NULL )
{
while ( bRun )
{
// this function is a blocking function (waiting for network
// packets to be received and processed)
pSocket->OnDataReceived();
}
}
@ -211,7 +226,7 @@ protected:
};
CSocketThread NetworkWorkerThread;
CSocket* pSocket;
CSocket Socket;
signals:
void InvalidPacketReceived ( CVector<uint8_t> vecbyRecBuf,