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/*
* Request.h
*
* Copyright (C) 2008 Matthias Schiffer <matthias@gamezock.de>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MAD_COMMON_REQUEST_H_
#define MAD_COMMON_REQUEST_H_
#include "export.h"
#include "RequestHandler.h"
#include <Core/Exception.h>
#include <memory>
#include <boost/bind.hpp>
#include <boost/thread/condition_variable.hpp>
#include <boost/thread/locks.hpp>
#include <boost/thread/mutex.hpp>
namespace Mad {
namespace Common {
class MAD_COMMON_EXPORT Request : public RequestHandler {
private:
friend class RequestManager;
boost::mutex mutex;
boost::condition_variable finishCond;
bool isFinished;
boost::shared_ptr<const XmlData> packet;
Core::Exception exception;
Core::Signals::Signal2<boost::shared_ptr<const XmlData>, Core::Exception> finished;
protected:
Request(Application *application) : RequestHandler(application), isFinished(false), finished(application) {}
void signalFinished(boost::shared_ptr<const XmlData> pkt, Core::Exception exp) {
{
boost::lock_guard<boost::mutex> lock(mutex);
isFinished = true;
packet = pkt;
exception = exp;
}
finished.emit(pkt, exp);
finishCond.notify_all();
RequestHandler::signalFinished();
}
void signalFinished(boost::shared_ptr<const XmlData> packet) {
signalFinished(packet, Core::Exception());
}
void signalFinished(Core::Exception exp) {
signalFinished(boost::shared_ptr<const XmlData>(), exp);
}
void signalFinished() {
signalFinished(boost::shared_ptr<const XmlData>(), Core::Exception());
}
virtual void sendRequest() = 0;
virtual void handlePacket(boost::shared_ptr<const XmlData> packet);
public:
Core::Signals::Connection connectSignalFinished(const Core::Signals::Signal2<boost::shared_ptr<const XmlData>, Core::Exception>::slot_type &slot) {
return finished.connect(slot);
}
void disconnectSignalFinished(const Core::Signals::Connection &con) {
finished.disconnect(con);
}
void wait() {
boost::unique_lock<boost::mutex> lock(mutex);
while(!isFinished)
finishCond.wait(lock);
}
std::pair<boost::shared_ptr<const XmlData>, Core::Exception> getResult() {
boost::lock_guard<boost::mutex> lock(mutex);
if(!isFinished)
return std::make_pair(boost::shared_ptr<const XmlData>(), Core::Exception(Core::Exception::NOT_FINISHED));
else
return std::make_pair(packet, exception);
}
};
}
}
#endif /* MAD_COMMON_REQUEST_H_ */
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