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@etishor
Created February 15, 2014 13:35
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/***************************************************************************
* Copyright (C) 2005 by Iulian M *
* eti@erata.net *
***************************************************************************/
#ifndef ETKSYNCHTTP_H
#define ETKSYNCHTTP_H
#include <QHttp>
#include <QEventLoop>
#include <QBuffer>
/**
* Provide a synchronous api over QHttp
* Uses a QEventLoop to block until the request is completed
* @author Iulian M <eti@erata.net>
*/
class SyncHTTP: public QHttp
{
Q_OBJECT
public:
/// structors
SyncHTTP( QObject * parent = 0 )
:QHttp(parent),requestID(-1),status(false){}
SyncHTTP( const QString & hostName, quint16 port = 80, QObject * parent = 0 )
:QHttp(hostName,port,parent),requestID(-1),status(false){}
virtual ~SyncHTTP(){}
/// send GET request and wait until finished
bool syncGet ( const QString & path, QIODevice * to = 0 )
{
///connect the requestFinished signal to our finished slot
connect(this,SIGNAL(requestFinished(int,bool)),SLOT(finished(int,bool)));
/// start the request and store the requestID
requestID = get(path, to );
/// block until the request is finished
loop.exec();
/// return the request status
return status;
}
/// send POST request and wait until finished
bool syncPost ( const QString & path, QIODevice * data, QIODevice * to = 0 )
{
///connect the requestFinished signal to our finished slot
connect(this,SIGNAL(requestFinished(int,bool)),SLOT(finished(int,bool)));
/// start the request and store the requestID
requestID = post(path, data , to );
/// block until the request is finished
loop.exec();
/// return the request status
return status;
}
bool syncPost ( const QString & path, const QByteArray& data, QIODevice * to = 0 )
{
/// create io device from QByteArray
QBuffer buffer;
buffer.setData(data);
return syncPost(path,&buffer,to);
}
protected slots:
virtual void finished(int idx, bool err)
{
/// check to see if it's the request we made
if(idx!=requestID)
return;
/// set status of the request
status = !err;
/// end the loop
loop.exit();
}
private:
/// id of current request
int requestID;
/// error status of current request
bool status;
/// event loop used to block until request finished
QEventLoop loop;
};
#endif
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