yacreader/common/http_worker.cpp

#include "http_worker.h"
#include <QMessageBox>
#include <QUrl>
#include <QtGlobal>
#include <QStringList>

#include <QNetworkAccessManager>
#include <QEventLoop>
#include <QTimer>
#include <QNetworkRequest>
#include <QNetworkReply>

#define PREVIOUS_VERSION "6.0.0"

HttpWorker::HttpWorker(const QString & urlString)
	:QThread(),url(urlString),_error(false),_timeout(false)
{

}

void HttpWorker::get()
{
	this->start();
}

QByteArray HttpWorker::getResult()
{
	return result;
}

bool HttpWorker::wasValid()
{
	return !_error;
}

bool HttpWorker::wasTimeout()
{
	return _timeout;
}

void HttpWorker::run()
{
	QNetworkAccessManager manager;
	QEventLoop q;
	QTimer tT;
	
	tT.setSingleShot(true);
	connect(&tT, SIGNAL(timeout()), &q, SLOT(quit()));
	connect(&manager, SIGNAL(finished(QNetworkReply*)),&q, SLOT(quit()));
	QNetworkReply *reply = manager.get(QNetworkRequest(url));
	
	tT.start(5000); // 5s timeout
	q.exec();
	
	if(tT.isActive()){
		// download complete
		_error = !(reply->error() == QNetworkReply::NoError);
		result = reply->readAll();
		emit dataReady(result);
		tT.stop();
	} else {
		_timeout = true;
		emit timeout();
	}
}