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/****************************************************************************
** $Id: qt/examples/networkprotocol/http.cpp 2.3.1 edited 2001-01-26 $
**
** Implementation of Network Extension Library
**
** Created : 970521
**
** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
**
** This file is part of an example program for Qt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#include "http.h"
#ifndef QT_NO_NETWORKPROTOCOL_HTTP
#include "qurlinfo.h"
#include <stdlib.h>
#include <qstringlist.h>
#include <qregexp.h>
Http::Http()
: QNetworkProtocol(), connectionReady( FALSE )
{
commandSocket = new QSocket( this );
connect( commandSocket, SIGNAL( hostFound() ),
this, SLOT( hostFound() ) );
connect( commandSocket, SIGNAL( connected() ),
this, SLOT( connected() ) );
connect( commandSocket, SIGNAL( connectionClosed() ),
this, SLOT( closed() ) );
connect( commandSocket, SIGNAL( readyRead() ),
this, SLOT( readyRead() ) );
}
Http::~Http()
{
close();
delete commandSocket;
}
void Http::operationPut( QNetworkOperation * )
{
QString cmd = "POST ";
cmd += url()->encodedPathAndQuery();
cmd += "\r\n";
commandSocket->writeBlock( cmd.latin1(), cmd.length() );
}
void Http::operationGet( QNetworkOperation * )
{
QString cmd = "GET ";
cmd += url()->encodedPathAndQuery();
cmd += "\r\n";
commandSocket->writeBlock( cmd.latin1(), cmd.length() );
}
bool Http::checkConnection( QNetworkOperation * )
{
if ( !commandSocket->peerName().isEmpty() && connectionReady )
return TRUE;
if ( !commandSocket->peerName().isEmpty() )
return FALSE;
if ( commandSocket->state() == QSocket::Connecting )
return FALSE;
connectionReady = FALSE;
commandSocket->connectToHost( url()->host(),
url()->port() != -1 ? url()->port() : 80 );
return FALSE;
}
void Http::close()
{
if ( !commandSocket->peerName().isEmpty() ) {
commandSocket->writeBlock( "quit\r\n", strlen( "quit\r\n" ) );
commandSocket->close();
}
}
int Http::supportedOperations() const
{
return OpGet | OpPut;
}
void Http::hostFound()
{
if ( url() )
emit connectionStateChanged( ConHostFound, tr( "Host %1 found" ).arg( url()->host() ) );
else
emit connectionStateChanged( ConHostFound, tr( "Host found" ) );
}
void Http::connected()
{
if ( url() )
emit connectionStateChanged( ConConnected, tr( "Connected to host %1" ).arg( url()->host() ) );
else
emit connectionStateChanged( ConConnected, tr( "Connected to host" ) );
connectionReady = TRUE;
}
void Http::closed()
{
if ( url() )
emit connectionStateChanged( ConClosed, tr( "Connection to %1 closed" ).arg( url()->host() ) );
else
emit connectionStateChanged( ConClosed, tr( "Connection closed" ) );
connectionReady = FALSE;
emit finished( operationInProgress() );
}
void Http::readyRead()
{
QByteArray s;
s.resize( commandSocket->bytesAvailable() );
commandSocket->readBlock( s.data(), commandSocket->bytesAvailable() );
emit data( s, operationInProgress() );
}
#endif // QT_NO_NETWORKPROTOCOL_HTTP
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