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/***************************************************************************
* Copyright (C) 2005 by Joris Guisson *
* joris.guisson@gmail.com *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#ifndef DHTRPCCALL_H
#define DHTRPCCALL_H
#include <qtimer.h>
#include "key.h"
#include "rpcmsg.h"
namespace dht
{
class RPCServer;
class RPCCall;
/**
* Class which objects should derive from, if they want to know the result of a call.
*/
class RPCCallListener : public QObject
{
Q_OBJECT
public:
RPCCallListener();
virtual ~RPCCallListener();
public slots:
/**
* A response was received.
* @param c The call
* @param rsp The response
*/
virtual void onResponse(RPCCall* c,MsgBase* rsp) = 0;
/**
* The call has timed out.
* @param c The call
*/
virtual void onTimeout(RPCCall* c) = 0;
};
/**
* @author Joris Guisson
*/
class RPCCall : public QObject
{
Q_OBJECT
public:
RPCCall(RPCServer* rpc,MsgBase* msg,bool queued);
virtual ~RPCCall();
/**
* Called when a queued call gets started. Starts the timeout timer.
*/
void start();
/**
* Called by the server if a response is received.
* @param rsp
*/
void response(MsgBase* rsp);
/**
* Add a listener for this call
* @param cl The listener
*/
void addListener(RPCCallListener* cl);
/// Get the message type
Method getMsgMethod() const;
/// Get the request sent
const MsgBase* getRequest() const {return msg;}
/// Get the request sent
MsgBase* getRequest() {return msg;}
private slots:
void onTimeout();
signals:
void onCallResponse(RPCCall* c,MsgBase* rsp);
void onCallTimeout(RPCCall* c);
private:
MsgBase* msg;
QTimer timer;
RPCServer* rpc;
bool queued;
};
}
#endif
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