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163 lines
3.4 KiB
163 lines
3.4 KiB
/****************************************************************************
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**
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of an example program for TQt. This example
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** program may be used, distributed and modified without limitation.
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**
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*****************************************************************************/
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#include <ntqsocket.h>
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#include <ntqserversocket.h>
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#include <ntqapplication.h>
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#include <ntqvbox.h>
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#include <ntqtextview.h>
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#include <ntqlabel.h>
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#include <ntqpushbutton.h>
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#include <ntqtextstream.h>
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#include <stdlib.h>
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/*
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The ClientSocket class provides a socket that is connected with a client.
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For every client that connects to the server, the server creates a new
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instance of this class.
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*/
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class ClientSocket : public TQSocket
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{
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TQ_OBJECT
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public:
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ClientSocket( int sock, TQObject *parent=0, const char *name=0 ) :
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TQSocket( parent, name )
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{
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line = 0;
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connect( this, SIGNAL(readyRead()),
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SLOT(readClient()) );
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connect( this, SIGNAL(connectionClosed()),
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SLOT(deleteLater()) );
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setSocket( sock );
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}
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~ClientSocket()
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{
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}
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signals:
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void logText( const TQString& );
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private slots:
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void readClient()
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{
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TQTextStream ts( this );
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while ( canReadLine() ) {
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TQString str = ts.readLine();
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emit logText( tr("Read: '%1'\n").arg(str) );
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ts << line << ": " << str << endl;
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emit logText( tr("Wrote: '%1: %2'\n").arg(line).arg(str) );
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line++;
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}
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}
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private:
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int line;
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};
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/*
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The SimpleServer class handles new connections to the server. For every
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client that connects, it creates a new ClientSocket -- that instance is now
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responsible for the communication with that client.
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*/
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class SimpleServer : public TQServerSocket
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{
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TQ_OBJECT
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public:
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SimpleServer( TQObject* parent=0 ) :
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TQServerSocket( 4242, 1, parent )
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{
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if ( !ok() ) {
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qWarning("Failed to bind to port 4242");
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exit(1);
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}
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}
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~SimpleServer()
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{
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}
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void newConnection( int socket )
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{
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ClientSocket *s = new ClientSocket( socket, this );
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emit newConnect( s );
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}
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signals:
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void newConnect( ClientSocket* );
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};
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/*
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The ServerInfo class provides a small GUI for the server. It also creates the
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SimpleServer and as a result the server.
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*/
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class ServerInfo : public TQVBox
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{
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TQ_OBJECT
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public:
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ServerInfo()
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{
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SimpleServer *server = new SimpleServer( this );
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TQString itext = tr(
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"This is a small server example.\n"
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"Connect with the client now."
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);
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TQLabel *lb = new TQLabel( itext, this );
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lb->setAlignment( AlignHCenter );
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infoText = new TQTextView( this );
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TQPushButton *quit = new TQPushButton( tr("Quit") , this );
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connect( server, SIGNAL(newConnect(ClientSocket*)),
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SLOT(newConnect(ClientSocket*)) );
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connect( quit, SIGNAL(clicked()), tqApp,
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SLOT(quit()) );
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}
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~ServerInfo()
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{
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}
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private slots:
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void newConnect( ClientSocket *s )
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{
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infoText->append( tr("New connection\n") );
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connect( s, SIGNAL(logText(const TQString&)),
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infoText, SLOT(append(const TQString&)) );
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connect( s, SIGNAL(connectionClosed()),
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SLOT(connectionClosed()) );
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}
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void connectionClosed()
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{
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infoText->append( tr("Client closed connection\n") );
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}
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private:
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TQTextView *infoText;
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};
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int main( int argc, char** argv )
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{
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TQApplication app( argc, argv );
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ServerInfo info;
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app.setMainWidget( &info );
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info.show();
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return app.exec();
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}
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#include "server.moc"
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