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