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/***************************************************************************
gwbytestream.cpp - Byte Stream using KNetwork sockets
-------------------
begin : Wed Jul 7 2004
copyright : (C) 2004 by Till Gerken <till@tantalo.net>
Kopete (C) 2004 Kopete developers <kopete-devel@kde.org>
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include <qobject.h>
#include <kbufferedsocket.h>
#include <kdebug.h>
#include <kresolver.h>
#include "oscarbytestream.h"
KNetworkByteStream::KNetworkByteStream( QObject *parent, const char */*name*/ )
: ByteStream ( parent )
{
kdDebug( 14151 ) << k_funcinfo << "Instantiating new KNetwork byte stream." << endl;
// reset close tracking flag
mClosing = false;
mSocket = new KNetwork::KBufferedSocket;
// make sure we get a signal whenever there's data to be read
mSocket->enableRead( true );
// connect signals and slots
QObject::connect( mSocket, SIGNAL ( gotError ( int ) ), this, SLOT ( slotError ( int ) ) );
QObject::connect( mSocket, SIGNAL ( connected ( const KResolverEntry& ) ), this, SLOT ( slotConnected () ) );
QObject::connect( mSocket, SIGNAL ( closed () ), this, SLOT ( slotConnectionClosed () ) );
QObject::connect( mSocket, SIGNAL ( readyRead () ), this, SLOT ( slotReadyRead () ) );
QObject::connect( mSocket, SIGNAL ( bytesWritten ( int ) ), this, SLOT ( slotBytesWritten ( int ) ) );
}
bool KNetworkByteStream::connect( QString host, QString service )
{
kdDebug( 14151 ) << k_funcinfo << "Connecting to " << host << ", service " << service << endl;
return socket()->connect( host, service );
}
bool KNetworkByteStream::isOpen() const
{
// determine if socket is open
return socket()->isOpen();
}
void KNetworkByteStream::close ()
{
#ifdef OSCAR_EXCESSIVE_DEBUG
kdDebug ( 14151 ) << k_funcinfo << "Closing stream." << endl;
#endif
// close the socket and set flag that we are closing it ourselves
mClosing = true;
socket()->close();
}
int KNetworkByteStream::tryWrite ()
{
// send all data from the buffers to the socket
QByteArray writeData = takeWrite();
#ifdef OSCAR_EXCESSIVE_DEBUG
kdDebug(14151) << k_funcinfo << "writing " << writeData.size() << " bytes." << endl;
#endif
socket()->writeBlock( writeData.data (), writeData.size () );
return writeData.size();
}
KNetwork::KBufferedSocket *KNetworkByteStream::socket() const
{
return mSocket;
}
KNetworkByteStream::~KNetworkByteStream()
{
delete mSocket;
}
void KNetworkByteStream::slotConnected()
{
emit connected();
}
void KNetworkByteStream::slotConnectionClosed()
{
kdDebug( 14151 ) << k_funcinfo << "Socket has been closed." << endl;
// depending on who closed the socket, emit different signals
if ( mClosing )
{
kdDebug( 14151 ) << "..by ourselves!" << endl;
kdDebug( 14151 ) << "socket error is " << socket()->errorString( socket()->error() ) << endl;
emit connectionClosed ();
}
else
{
kdDebug( 14151 ) << "..by the other end" << endl;
emit delayedCloseFinished ();
}
}
void KNetworkByteStream::slotReadyRead()
{
// stuff all available data into our buffers
QByteArray readBuffer( socket()->bytesAvailable () );
socket()->readBlock( readBuffer.data (), readBuffer.size () );
appendRead( readBuffer );
emit readyRead();
}
void KNetworkByteStream::slotBytesWritten( int bytes )
{
emit bytesWritten( bytes );
}
void KNetworkByteStream::slotError( int code )
{
kdDebug( 14151 ) << k_funcinfo << "Socket error " << code << endl;
emit error( code );
}
#include "oscarbytestream.moc"
// kate: indent-width 4; replace-tabs off; tab-width 4; space-indent off;
|
