From d796c9dd933ab96ec83b9a634feedd5d32e1ba3f Mon Sep 17 00:00:00 2001 From: Timothy Pearson Date: Tue, 8 Nov 2011 12:31:36 -0600 Subject: Test conversion to TQt3 from Qt3 8c6fc1f8e35fd264dd01c582ca5e7549b32ab731 --- examples/network/httpd/README | 7 ++ examples/network/httpd/httpd.cpp | 141 +++++++++++++++++++++++++++++++++++++++ examples/network/httpd/httpd.doc | 20 ++++++ examples/network/httpd/httpd.pro | 9 +++ 4 files changed, 177 insertions(+) create mode 100644 examples/network/httpd/README create mode 100644 examples/network/httpd/httpd.cpp create mode 100644 examples/network/httpd/httpd.doc create mode 100644 examples/network/httpd/httpd.pro (limited to 'examples/network/httpd') diff --git a/examples/network/httpd/README b/examples/network/httpd/README new file mode 100644 index 00000000..dc7229d4 --- /dev/null +++ b/examples/network/httpd/README @@ -0,0 +1,7 @@ +This is an example for the QServerSocket class which is included in the +network module. + +It is a simple http daemon. After starting it you can connect to port +8080 with a web browser and an html page is shown. The program does +not really parse the http request; so it is not of much use except for +being a small example for QServerSocket. diff --git a/examples/network/httpd/httpd.cpp b/examples/network/httpd/httpd.cpp new file mode 100644 index 00000000..fd42891b --- /dev/null +++ b/examples/network/httpd/httpd.cpp @@ -0,0 +1,141 @@ +/**************************************************************************** +** +** 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 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +// HttpDaemon is the the class that implements the simple HTTP server. +class HttpDaemon : public TQServerSocket +{ + Q_OBJECT +public: + HttpDaemon( TQObject* parent=0 ) : + TQServerSocket(8080,1,parent) + { + if ( !ok() ) { + qWarning("Failed to bind to port 8080"); + exit( 1 ); + } + } + + void newConnection( int socket ) + { + // When a new client connects, the server constructs a TQSocket and all + // communication with the client is done over this TQSocket. TQSocket + // works asynchronouslyl, this means that all the communication is done + // in the two slots readClient() and discardClient(). + TQSocket* s = new TQSocket( this ); + connect( s, SIGNAL(readyRead()), this, SLOT(readClient()) ); + connect( s, SIGNAL(delayedCloseFinished()), this, SLOT(discardClient()) ); + s->setSocket( socket ); + emit newConnect(); + } + +signals: + void newConnect(); + void endConnect(); + void wroteToClient(); + +private slots: + void readClient() + { + // This slot is called when the client sent data to the server. The + // server looks if it was a get request and sends a very simple HTML + // document back. + TQSocket* socket = (TQSocket*)sender(); + if ( socket->canReadLine() ) { + TQStringList tokens = TQStringList::split( TQRegExp("[ \r\n][ \r\n]*"), socket->readLine() ); + if ( tokens[0] == "GET" ) { + TQTextStream os( socket ); + os.setEncoding( TQTextStream::UnicodeUTF8 ); + os << "HTTP/1.0 200 Ok\r\n" + "Content-Type: text/html; charset=\"utf-8\"\r\n" + "\r\n" + "

Nothing to see here

\n"; + socket->close(); + emit wroteToClient(); + } + } + } + void discardClient() + { + TQSocket* socket = (TQSocket*)sender(); + delete socket; + emit endConnect(); + } +}; + + +// HttpInfo provides a simple graphical user interface to the server and shows +// the actions of the server. +class HttpInfo : public TQVBox +{ + Q_OBJECT +public: + HttpInfo() + { + HttpDaemon *httpd = new HttpDaemon( this ); + + TQString itext = TQString( + "This is a small httpd example.\n" + "You can connect with your\n" + "web browser to port %1" + ).arg( httpd->port() ); + TQLabel *lb = new TQLabel( itext, this ); + lb->setAlignment( AlignHCenter ); + infoText = new TQTextView( this ); + TQPushButton *tquit = new TQPushButton( "tquit" , this ); + + connect( httpd, SIGNAL(newConnect()), SLOT(newConnect()) ); + connect( httpd, SIGNAL(endConnect()), SLOT(endConnect()) ); + connect( httpd, SIGNAL(wroteToClient()), SLOT(wroteToClient()) ); + connect( tquit, SIGNAL(pressed()), qApp, SLOT(tquit()) ); + } + + ~HttpInfo() + { + } + +private slots: + void newConnect() + { + infoText->append( "New connection" ); + } + void endConnect() + { + infoText->append( "Connection closed\n\n" ); + } + void wroteToClient() + { + infoText->append( "Wrote to client" ); + } + +private: + TQTextView *infoText; +}; + + +int main( int argc, char** argv ) +{ + TQApplication app( argc, argv ); + HttpInfo info; + app.setMainWidget( &info ); + info.show(); + return app.exec(); +} + +#include "httpd.moc" diff --git a/examples/network/httpd/httpd.doc b/examples/network/httpd/httpd.doc new file mode 100644 index 00000000..de1e0be9 --- /dev/null +++ b/examples/network/httpd/httpd.doc @@ -0,0 +1,20 @@ +/* +*/ + +/*! \page httpd-example.html + + \ingroup network-examples + + \title A simple HTTP daemon + + This example shows how to use the QServerSocket class. It is a very + simple implementation of a HTTP daemon that listens on port 8080 and + sends back a simple HTML page back for every GET request it gets. After + sending the page, it closes the connection. + +
+ + Implementation (httpd.cpp): + + \include network/httpd/httpd.cpp +*/ diff --git a/examples/network/httpd/httpd.pro b/examples/network/httpd/httpd.pro new file mode 100644 index 00000000..a364499f --- /dev/null +++ b/examples/network/httpd/httpd.pro @@ -0,0 +1,9 @@ +TEMPLATE = app +TARGET = httpd + +CONFIG += qt warn_on release + +REQUIRES = network large-config + +HEADERS = +SOURCES = httpd.cpp -- cgit v1.2.1