diff Core/MultiThreading/ThreadedCommandProcessor.h @ 458:84966299c8f8

ThreadedCommandProcessor
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 04 Jul 2013 16:10:42 +0200
parents
children 9da3596069b8
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Core/MultiThreading/ThreadedCommandProcessor.h	Thu Jul 04 16:10:42 2013 +0200
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+/**
+ * Orthanc - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012-2013 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
+  {
+  private:
+    SharedMessageQueue  queue_;
+    bool done_;
+    std::vector<boost::thread*>  threads_;
+
+    boost::mutex mutex_;
+    unsigned int remainingCommands_;
+    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);
+
+    void Join();
+  };
+}