view OrthancServer/Scheduler/ServerScheduler.h @ 2294:e371519d4ac9

added -U option to gdcmconv to prevent gdcmconv to mess up the files. Without that option, we have seen the SpecificCharSet tag becoming invalid !!! (seen on the VIX samples)
author Alain Mazy <am@osimis.io>
date Tue, 04 Jul 2017 15:36:19 +0000
parents a3a65de1840f
children 878b59270859
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/**
 * Orthanc - A Lightweight, RESTful DICOM Store
 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
 * Department, University Hospital of Liege, Belgium
 * Copyright (C) 2017 Osimis, 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 "ServerJob.h"

#include "../../Core/MultiThreading/Semaphore.h"

namespace Orthanc
{
  class ServerScheduler : public ServerCommandInstance::IListener
  {
  private:
    struct JobInfo
    {
      bool watched_;
      bool cancel_;
      size_t size_;
      size_t success_;
      size_t failures_;
      std::string description_;
    };

    enum JobStatus
    {
      JobStatus_Running = 1,
      JobStatus_Success = 2,
      JobStatus_Failure = 3
    };

    typedef IServerCommand::ListOfStrings  ListOfStrings;
    typedef std::map<std::string, JobInfo> Jobs;

    boost::mutex mutex_;
    boost::condition_variable watchedJobFinished_;
    Jobs jobs_;
    SharedMessageQueue queue_;
    bool finish_;
    boost::thread worker_;
    std::map<std::string, JobStatus> watchedJobStatus_;
    Semaphore availableJob_;

    JobInfo& GetJobInfo(const std::string& jobId);

    virtual void SignalSuccess(const std::string& jobId);

    virtual void SignalFailure(const std::string& jobId);

    static void Worker(ServerScheduler* that);

    void SubmitInternal(ServerJob& job,
                        bool watched);

  public:
    explicit ServerScheduler(unsigned int maxjobs);

    ~ServerScheduler();

    void Stop();

    void Submit(ServerJob& job);

    bool SubmitAndWait(ListOfStrings& outputs,
                       ServerJob& job);

    bool SubmitAndWait(ServerJob& job);

    bool IsRunning(const std::string& jobId);

    void Cancel(const std::string& jobId);

    // Returns a number between 0 and 1
    float GetProgress(const std::string& jobId);

    bool IsRunning(const ServerJob& job)
    {
      return IsRunning(job.GetId());
    }

    void Cancel(const ServerJob& job) 
    {
      Cancel(job.GetId());
    }

    float GetProgress(const ServerJob& job) 
    {
      return GetProgress(job.GetId());
    }

    void GetListOfJobs(ListOfStrings& jobs);
  };
}