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one/include/SyncRequest.h
2014-01-09 11:51:20 +01:00

102 lines
2.8 KiB
C++

/* -------------------------------------------------------------------------- */
/* Copyright 2002-2014, OpenNebula Project (OpenNebula.org), C12G Labs */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); you may */
/* not use this file except in compliance with the License. You may obtain */
/* a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. */
/* See the License for the specific language governing permissions and */
/* limitations under the License. */
/* -------------------------------------------------------------------------- */
#ifndef SYNC_REQUEST_H_
#define SYNC_REQUEST_H_
#include <time.h>
#include "ActionManager.h"
/**
* Base class to implement synchronous operation in the MadManagers. This class
* cannot be directly instantiated.
*/
class SyncRequest: public ActionListener
{
public:
SyncRequest():
result(false),
message(""),
timeout(false),
id(-1),
time_out(0)
{
am.addListener(this);
};
virtual ~SyncRequest(){};
/**
* The result of the request, true if the operation succeeded
*/
bool result;
/**
* Error message for negative results
*/
string message;
/**
* Time out, true if the request ended because of a time out
*/
bool timeout;
/**
* Identification of this request
*/
int id;
/**
* Notify client that we have an answer for the request
*/
void notify()
{
am.trigger(ActionListener::ACTION_FINALIZE,0);
};
/**
* Wait for the AuthRequest to be completed
*/
void wait()
{
time_out = time(0) + 90;//Requests will expire in 1.5 minutes
am.loop(0,0);
};
protected:
friend class MadManager;
/**
* Time in seconds when this request will expire
*/
time_t time_out;
/**
* The ActionManager that will be notify when the request is ready.
*/
ActionManager am;
/**
* No actions defined for the request, just FINALIZE when done
*/
void do_action(const string &name, void *args){};
};
#endif /*SYNC_REQUEST_H_*/