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/**
* Orthanc - A Lightweight, RESTful DICOM Store
* Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege,
* Belgium
*
* 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 3 of the
* License, or (at your option) any later version.
*
* In addition, as a special exception, the copyright holders of this
* program give permission to link the code of its release with the
* OpenSSL project's "OpenSSL" library (or with modified versions of it
* that use the same license as the "OpenSSL" library), and distribute
* the linked executables. You must obey the GNU General Public License
* in all respects for all of the code used other than "OpenSSL". If you
* modify file(s) with this exception, you may extend this exception to
* your version of the file(s), but you are not obligated to do so. If
* you do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source files
* in the program, then also delete it here.
*
* 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, see <http://www.gnu.org/licenses/>.
**/
#pragma once
#include "../ICommand.h"
#include "SharedMessageQueue.h"
namespace Orthanc
{
class ThreadedCommandProcessor
{
public:
class IListener
{
public:
virtual ~IListener()
{
}
virtual void SignalProgress(unsigned int current,
unsigned int total) = 0;
virtual void SignalSuccess(unsigned int total) = 0;
virtual void SignalFailure() = 0;
virtual void SignalCancel() = 0;
};
private:
SharedMessageQueue queue_;
bool done_;
bool cancel_;
std::vector<boost::thread*> threads_;
IListener* listener_;
boost::mutex mutex_;
bool success_;
unsigned int remainingCommands_, totalCommands_;
boost::condition_variable processedCommand_;
static void Processor(ThreadedCommandProcessor* that);
public:
ThreadedCommandProcessor(unsigned int numThreads);
~ThreadedCommandProcessor();
// This takes the ownership of the command
void Post(ICommand* command);
bool Join();
void Cancel();
void SetListener(IListener& listener);
IListener& GetListener() const
{
return *listener_;
}
};
}
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