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Diffstat (limited to 'examples/network/infoprotocol/infoclient/client.cpp')
-rw-r--r-- | examples/network/infoprotocol/infoclient/client.cpp | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/examples/network/infoprotocol/infoclient/client.cpp b/examples/network/infoprotocol/infoclient/client.cpp new file mode 100644 index 000000000..24861ab55 --- /dev/null +++ b/examples/network/infoprotocol/infoclient/client.cpp @@ -0,0 +1,120 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for TQt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#include <qsocket.h> +#include <qapplication.h> +#include <qtextedit.h> +#include <qlineedit.h> +#include <qlabel.h> +#include <qpushbutton.h> +#include <qtextstream.h> +#include <qlistbox.h> + +#include "client.h" + + +ClientInfo::ClientInfo( TQWidget *parent, const char *name ) : + ClientInfoBase( parent, name ), socket( 0 ) +{ + edHost->setText( "localhost" ); + edPort->setText( TQString::number( (uint)infoPort ) ); + + connect( infoList, SIGNAL(selected(const TQString&)), SLOT(selectItem(const TQString&)) ); + connect( btnConnect, SIGNAL(clicked()), SLOT(connectToServer()) ); + connect( btnBack, SIGNAL(clicked()), SLOT(stepBack()) ); + connect( btnQuit, SIGNAL(clicked()), qApp, SLOT(tquit()) ); +} + + +void ClientInfo::connectToServer() +{ + delete socket; + socket = new TQSocket( this ); + connect( socket, SIGNAL(connected()), SLOT(socketConnected()) ); + connect( socket, SIGNAL(connectionClosed()), SLOT(socketConnectionClosed()) ); + connect( socket, SIGNAL(readyRead()), SLOT(socketReadyRead()) ); + connect( socket, SIGNAL(error(int)), SLOT(socketError(int)) ); + + socket->connectToHost( edHost->text(), edPort->text().toInt() ); +} + +void ClientInfo::selectItem( const TQString& item ) +{ + // item in listBox selected, use LIST or GET depending of the node type. + if ( item.endsWith( "/" ) ) { + sendToServer( List, infoPath->text() + item ); + infoPath->setText( infoPath->text() + item ); + } else + sendToServer( Get, infoPath->text() + item ); +} + +void ClientInfo::stepBack() +{ + // go back (up) in path hierarchy + int i = infoPath->text().findRev( '/', -2 ); + if ( i > 0 ) + infoPath->setText( infoPath->text().left( i + 1 ) ); + else + infoPath->setText( "/" ); + infoList->clear(); + sendToServer( List, infoPath->text() ); +} + + +void ClientInfo::socketConnected() +{ + sendToServer( List, "/" ); +} + +void ClientInfo::sendToServer( Operation op, const TQString& location ) +{ + TQString line; + switch (op) { + case List: + infoList->clear(); + line = "LIST " + location; + break; + case Get: + line = "GET " + location; + break; + } + infoText->clear(); + TQTextStream os(socket); + os << line << "\r\n"; +} + +void ClientInfo::socketReadyRead() +{ + TQTextStream stream( socket ); + TQString line; + while ( socket->canReadLine() ) { + line = stream.readLine(); + if ( line.startsWith( "500" ) || line.startsWith( "550" ) ) { + infoText->append( tr( "error: " ) + line.mid( 4 ) ); + } else if ( line.startsWith( "212+" ) ) { + infoList->insertItem( line.mid( 6 ) + TQString( ( line[ 4 ] == 'D' ) ? "/" : "" ) ); + } else if ( line.startsWith( "213+" ) ) { + infoText->append( line.mid( 4 ) ); + } + } +} + + +void ClientInfo::socketConnectionClosed() +{ + infoText->clear(); + infoText->append( tr( "error: Connection closed by the server\n" ) ); +} + +void ClientInfo::socketError( int code ) +{ + infoText->clear(); + infoText->append( tr( "error: Error number %1 occurred\n" ).arg( code ) ); +} + |