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142 lines
3.6 KiB
142 lines
3.6 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 <stdlib.h>
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#include <ntqsocket.h>
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#include <ntqregexp.h>
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#include <ntqserversocket.h>
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#include <ntqapplication.h>
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#include <ntqmainwindow.h>
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#include <ntqtextstream.h>
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#include <ntqvbox.h>
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#include <ntqlabel.h>
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#include <ntqtextview.h>
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#include <ntqpushbutton.h>
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// HttpDaemon is the the class that implements the simple HTTP server.
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class HttpDaemon : public TQServerSocket
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{
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TQ_OBJECT
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public:
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HttpDaemon( TQObject* parent=0 ) :
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TQServerSocket(8080,1,parent)
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{
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if ( !ok() ) {
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qWarning("Failed to bind to port 8080");
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exit( 1 );
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}
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}
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void newConnection( int socket )
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{
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// When a new client connects, the server constructs a TQSocket and all
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// communication with the client is done over this TQSocket. TQSocket
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// works asynchronouslyl, this means that all the communication is done
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// in the two slots readClient() and discardClient().
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TQSocket* s = new TQSocket( this );
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connect( s, SIGNAL(readyRead()), this, SLOT(readClient()) );
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connect( s, SIGNAL(delayedCloseFinished()), this, SLOT(discardClient()) );
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s->setSocket( socket );
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emit newConnect();
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}
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signals:
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void newConnect();
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void endConnect();
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void wroteToClient();
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private slots:
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void readClient()
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{
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// This slot is called when the client sent data to the server. The
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// server looks if it was a get request and sends a very simple HTML
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// document back.
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TQSocket* socket = (TQSocket*)sender();
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if ( socket->canReadLine() ) {
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TQStringList tokens = TQStringList::split( TQRegExp("[ \r\n][ \r\n]*"), socket->readLine() );
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if ( tokens[0] == "GET" ) {
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TQTextStream os( socket );
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os.setEncoding( TQTextStream::UnicodeUTF8 );
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os << "HTTP/1.0 200 Ok\r\n"
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"Content-Type: text/html; charset=\"utf-8\"\r\n"
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"\r\n"
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"<h1>Nothing to see here</h1>\n";
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socket->close();
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emit wroteToClient();
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}
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}
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}
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void discardClient()
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{
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TQSocket* socket = (TQSocket*)sender();
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delete socket;
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emit endConnect();
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}
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};
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// HttpInfo provides a simple graphical user interface to the server and shows
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// the actions of the server.
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class HttpInfo : public TQVBox
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{
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TQ_OBJECT
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public:
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HttpInfo()
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{
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HttpDaemon *httpd = new HttpDaemon( this );
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TQString itext = TQString(
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"This is a small httpd example.\n"
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"You can connect with your\n"
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"web browser to port %1"
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).arg( httpd->port() );
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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( "quit" , this );
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connect( httpd, SIGNAL(newConnect()), SLOT(newConnect()) );
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connect( httpd, SIGNAL(endConnect()), SLOT(endConnect()) );
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connect( httpd, SIGNAL(wroteToClient()), SLOT(wroteToClient()) );
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connect( quit, SIGNAL(pressed()), tqApp, SLOT(quit()) );
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}
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~HttpInfo()
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{
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}
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private slots:
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void newConnect()
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{
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infoText->append( "New connection" );
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}
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void endConnect()
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{
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infoText->append( "Connection closed\n\n" );
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}
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void wroteToClient()
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{
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infoText->append( "Wrote to client" );
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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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HttpInfo 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 "httpd.moc"
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