139 lines
3.3 KiB
C++
139 lines
3.3 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) 2012, 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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//paragraph [10] Footnote: [{\footnote{] [}}]
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//[TOC] [\tableofcontents]
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//[_] [\_]
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//[&] [\&]
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//[x] [\ensuremath{\times}]
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//[->] [\ensuremath{\rightarrow}]
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//[>] [\ensuremath{>}]
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//[<] [\ensuremath{<}]
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//[ast] [\ensuremath{\ast}]
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[1] Class DServerShuffleSender Implementation
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\begin{center}
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April 2012 Thomas Achmann
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\end{center}
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[TOC]
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0 Description
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Implementation of the class ~DServerShuffleSender~
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1 Preliminaries
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1.1 Includes
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*/
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#include "DServerShuffleSender.h"
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#include "DServerCmdCallBackComm.h"
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#include "Algebras/Relation-C++/RelationAlgebra.h"
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#include "ThreadedMemoryCntr.h"
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/*
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1.2 Debug Output
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uncomment the following line for debug output
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*/
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//#define SHUFFLE_SENDER_DEBUG 1
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/*
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2 Implementation
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2.1 Method ~void run~
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run method of the thread
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*/
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void DServerShuffleSender::run()
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{
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#ifdef SHUFFLE_SENDER_DEBUG
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cout << "Starting Sender:" << " " << m_runit
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<< "for " << m_destHost << ":" << m_toPort << endl;
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#endif
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DServerCmdCallBackCommunication *dscCallBack =
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new DServerCmdCallBackCommunication(m_destHost, m_toPort
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#ifdef SHUFFLE_SENDER_DEBUG
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, "SENDER RUN "
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#endif
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);
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if (!dscCallBack -> startSocket())
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{
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cerr << "Error Connecting Sender to "
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<< m_destHost << ":" << m_toPort << endl;
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}
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else if(dscCallBack -> startSocketCommunication())
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{
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// no connected to
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Tuple *t;
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while(m_runit || !m_tfq.empty())
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{
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t = m_tfq.get();
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if (t != NULL)
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{
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dscCallBack -> sendTagToCallBack("SENDTUPLE");
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dscCallBack -> writeTupleToCallBack(t);
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m_memCntr -> put_back(t -> GetSize());
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}
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else
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{
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dscCallBack -> sendTagToCallBack("NOTUPLE");
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}
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if (m_runit || !m_tfq.empty())
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{
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dscCallBack -> sendTagToCallBack("NEXT");
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}
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else
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{
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dscCallBack -> sendTagToCallBack("END");
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}
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} // while
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dscCallBack -> getTagFromCallBack("CLOSE");
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} // dsc
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else
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{
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cerr << "SHUFFLE SEND: COULD NOT CREATE GLOBAL SOCKET!" << endl;
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}
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delete dscCallBack;
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#ifdef SHUFFLE_SENDER_DEBUG
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cout << "SHUFFLE SENDER IS DONE! "
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<< " to " << m_toPort << "@" << m_destHost << endl;
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#endif
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} //
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