136 lines
3.0 KiB
C++
136 lines
3.0 KiB
C++
/*
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----
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This file is part of SECONDO.
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Copyright (C) 2004, University in Hagen, Department of Computer Science,
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Database Systems for New Applications.
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SECONDO is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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SECONDO is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with SECONDO; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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----
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//paragraph [1] Title: [{\Large \bf \begin{center}] [\end{center}}]
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//characters [1] Type: [] []
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//characters [2] Type: [] []
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//[ae] [\"{a}]
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//[oe] [\"{o}]
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//[ue] [\"{u}]
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//[ss] [{\ss}]
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//[Ae] [\"{A}]
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//[Oe] [\"{O}]
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//[Ue] [\"{U}]
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//[x] [$\times $]
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//[->] [$\rightarrow $]
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//[toc] [\tableofcontents]
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[1] Implementation of DistributeStreamServer.
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[toc]
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1 DistributeStreamServer class implementation
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For detailed information refer to ~DistributeStreamServer.cpp~.
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*/
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#ifndef _DISTRIBUTE_STREAM_SERVER_H_
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#define _DISTRIBUTE_STREAM_SERVER_H_
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#include <iostream>
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#include <queue>
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#include <list>
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#include <boost/thread.hpp>
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#include <boost/thread/condition_variable.hpp>
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#include <boost/thread/mutex.hpp>
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#include "SocketIO.h"
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#include "Algebras/Distributed2/Server.h"
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#include "DistributeStreamWorker.h"
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class Socket;
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class VTuple;
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class Server;
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class DistributeStreamWorker;
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namespace cstream {
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class DistributeStreamServer : public distributed2::Server {
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public:
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DistributeStreamServer( const int port,
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const bool providedformat);
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~DistributeStreamServer();
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int start();
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void run();
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void pushTuple(VTuple* tuple);
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private:
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void startCommunication(Socket* serverConnection);
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/*
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2 Member Definitions
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2.2 providedFormat
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Stores the format that is provided by the server. The client can only request
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the provided format. True is the binary format and false is the text format.
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*/
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const bool _providedFormat;
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/*
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2.3 runner
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Stores a pointer to the created thread of the server to handle new client
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connections.
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*/
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boost::thread* _runner;
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/*
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2.4 socketBuffer
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This queue stores the sockets of client connections to be popped for further
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processing.
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*/
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std::queue<Socket*> _socketBuffer;
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/*
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2.5 queueGuard
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This mutex takes care that only one thread can access the socketBuffer
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at a time.
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*/
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boost::mutex _workerListGuard;
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/*
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2.6 workerList
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This is a list is a complete list of all workers. The workers handle the
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communication with the connected clients. This list is used to notify all
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workers when a new tuple is pushed.
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*/
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std::list<DistributeStreamWorker*> _workerList;
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};
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} /* namespace cstream */
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#endif // _DISTRIBUTE_STREAM_SERVER_H_
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