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authorTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-11-08 12:31:36 -0600
committerTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-11-08 12:31:36 -0600
commitd796c9dd933ab96ec83b9a634feedd5d32e1ba3f (patch)
tree6e3dcca4f77e20ec8966c666aac7c35bd4704053 /examples/network/clientserver/server/server.cpp
downloadtqt3-d796c9dd933ab96ec83b9a634feedd5d32e1ba3f.tar.gz
tqt3-d796c9dd933ab96ec83b9a634feedd5d32e1ba3f.zip
Test conversion to TQt3 from Qt3 8c6fc1f8e35fd264dd01c582ca5e7549b32ab731
Diffstat (limited to 'examples/network/clientserver/server/server.cpp')
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diff --git a/examples/network/clientserver/server/server.cpp b/examples/network/clientserver/server/server.cpp
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+/****************************************************************************
+**
+** 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 <qserversocket.h>
+#include <qapplication.h>
+#include <qvbox.h>
+#include <qtextview.h>
+#include <qlabel.h>
+#include <qpushbutton.h>
+#include <qtextstream.h>
+
+#include <stdlib.h>
+
+
+/*
+ The ClientSocket class provides a socket that is connected with a client.
+ For every client that connects to the server, the server creates a new
+ instance of this class.
+*/
+class ClientSocket : public TQSocket
+{
+ Q_OBJECT
+public:
+ ClientSocket( int sock, TQObject *parent=0, const char *name=0 ) :
+ TQSocket( parent, name )
+ {
+ line = 0;
+ connect( this, SIGNAL(readyRead()),
+ SLOT(readClient()) );
+ connect( this, SIGNAL(connectionClosed()),
+ SLOT(deleteLater()) );
+ setSocket( sock );
+ }
+
+ ~ClientSocket()
+ {
+ }
+
+signals:
+ void logText( const TQString& );
+
+private slots:
+ void readClient()
+ {
+ TQTextStream ts( this );
+ while ( canReadLine() ) {
+ TQString str = ts.readLine();
+ emit logText( tr("Read: '%1'\n").arg(str) );
+
+ ts << line << ": " << str << endl;
+ emit logText( tr("Wrote: '%1: %2'\n").arg(line).arg(str) );
+
+ line++;
+ }
+ }
+
+private:
+ int line;
+};
+
+
+/*
+ The SimpleServer class handles new connections to the server. For every
+ client that connects, it creates a new ClientSocket -- that instance is now
+ responsible for the communication with that client.
+*/
+class SimpleServer : public TQServerSocket
+{
+ Q_OBJECT
+public:
+ SimpleServer( TQObject* parent=0 ) :
+ TQServerSocket( 4242, 1, parent )
+ {
+ if ( !ok() ) {
+ qWarning("Failed to bind to port 4242");
+ exit(1);
+ }
+ }
+
+ ~SimpleServer()
+ {
+ }
+
+ void newConnection( int socket )
+ {
+ ClientSocket *s = new ClientSocket( socket, this );
+ emit newConnect( s );
+ }
+
+signals:
+ void newConnect( ClientSocket* );
+};
+
+
+/*
+ The ServerInfo class provides a small GUI for the server. It also creates the
+ SimpleServer and as a result the server.
+*/
+class ServerInfo : public TQVBox
+{
+ Q_OBJECT
+public:
+ ServerInfo()
+ {
+ SimpleServer *server = new SimpleServer( this );
+
+ TQString itext = tr(
+ "This is a small server example.\n"
+ "Connect with the client now."
+ );
+ TQLabel *lb = new TQLabel( itext, this );
+ lb->setAlignment( AlignHCenter );
+ infoText = new TQTextView( this );
+ TQPushButton *tquit = new TQPushButton( tr("Quit") , this );
+
+ connect( server, SIGNAL(newConnect(ClientSocket*)),
+ SLOT(newConnect(ClientSocket*)) );
+ connect( tquit, SIGNAL(clicked()), qApp,
+ SLOT(tquit()) );
+ }
+
+ ~ServerInfo()
+ {
+ }
+
+private slots:
+ void newConnect( ClientSocket *s )
+ {
+ infoText->append( tr("New connection\n") );
+ connect( s, SIGNAL(logText(const TQString&)),
+ infoText, SLOT(append(const TQString&)) );
+ connect( s, SIGNAL(connectionClosed()),
+ SLOT(connectionClosed()) );
+ }
+
+ void connectionClosed()
+ {
+ infoText->append( tr("Client closed connection\n") );
+ }
+
+private:
+ TQTextView *infoText;
+};
+
+
+int main( int argc, char** argv )
+{
+ TQApplication app( argc, argv );
+ ServerInfo info;
+ app.setMainWidget( &info );
+ info.show();
+ return app.exec();
+}
+
+#include "server.moc"