118 lines
2.5 KiB
C
118 lines
2.5 KiB
C
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/*
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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 the Stream Supplier
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The Stream Supplier pushes all tuple to the workers.
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The Coordinator tells him which worker exist.
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[toc]
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1 StreamSupplier class implementation
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see StreamSupplier.cpp for details.
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*/
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#ifndef __STREAMSUPPLIER_H__
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#define __STREAMSUPPLIER_H__
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#include "Algebras/Relation-C++/RelationAlgebra.h"
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#include "../Tcp/TcpClient.h"
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#include "../Protocols.h"
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#include <map>
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#include <string>
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#include <chrono>
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#include <thread>
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#include <mutex>
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#include <iostream>
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#include <condition_variable>
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namespace continuousqueries {
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class StreamSupplier {
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public:
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// Create
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StreamSupplier(std::string address, int port);
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// Destroy
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~StreamSupplier();
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struct workerStruct {
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int socket;
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int id;
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std::string address;
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int port;
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TcpClient* ptrClient;
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bool active;
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};
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// Initialize
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void Initialize();
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// Run
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void Run();
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// Shutdown
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void Shutdown();
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void addWorker(int id, std::string address);
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void pushTuple(Tuple* t);
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private:
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std::string _coordinatorAddress;
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int _coordinatorPort;
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int _id;
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TcpClient _coordinationClient;
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std::thread _coordinationClientThread;
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std::thread _ownThread;
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int _activeWorker;
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int _lastTupleId;
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bool _running;
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std::map<int, workerStruct> _workers;
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std::vector<std::thread> _workerThreads;
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std::string _tupledescr;
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};
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}
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#endif
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