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https://develop.openfoam.com/Development/openfoam.git
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140 lines
4.0 KiB
C
140 lines
4.0 KiB
C
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 2004-2010 OpenCFD Ltd.
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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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 OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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Description
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Write primitive and binary block from OPstream
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\*---------------------------------------------------------------------------*/
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#include "mpi.h"
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#include "UOPstream.H"
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#include "PstreamGlobals.H"
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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bool Foam::UOPstream::write
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(
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const commsTypes commsType,
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const int toProcNo,
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const char* buf,
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const std::streamsize bufSize,
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const int tag
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)
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{
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if (debug)
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{
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Pout<< "UOPstream::write : starting write to:" << toProcNo
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<< " tag:" << tag << " size:" << label(bufSize)
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<< " commsType:" << UPstream::commsTypeNames[commsType]
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<< Foam::endl;
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}
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bool transferFailed = true;
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if (commsType == blocking)
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{
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transferFailed = MPI_Bsend
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(
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const_cast<char*>(buf),
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bufSize,
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MPI_PACKED,
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procID(toProcNo),
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tag,
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MPI_COMM_WORLD
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);
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if (debug)
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{
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Pout<< "UOPstream::write : finished write to:" << toProcNo
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<< " tag:" << tag << " size:" << label(bufSize)
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<< " commsType:" << UPstream::commsTypeNames[commsType]
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<< Foam::endl;
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}
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}
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else if (commsType == scheduled)
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{
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transferFailed = MPI_Send
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(
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const_cast<char*>(buf),
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bufSize,
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MPI_PACKED,
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procID(toProcNo),
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tag,
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MPI_COMM_WORLD
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);
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if (debug)
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{
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Pout<< "UOPstream::write : finished write to:" << toProcNo
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<< " tag:" << tag << " size:" << label(bufSize)
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<< " commsType:" << UPstream::commsTypeNames[commsType]
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<< Foam::endl;
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}
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}
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else if (commsType == nonBlocking)
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{
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MPI_Request request;
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transferFailed = MPI_Isend
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(
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const_cast<char*>(buf),
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bufSize,
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MPI_PACKED,
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procID(toProcNo),
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tag,
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MPI_COMM_WORLD,
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&request
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);
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if (debug)
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{
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Pout<< "UOPstream::write : started write to:" << toProcNo
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<< " tag:" << tag << " size:" << label(bufSize)
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<< " commsType:" << UPstream::commsTypeNames[commsType]
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<< " request:" << PstreamGlobals::outstandingRequests_.size()
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<< Foam::endl;
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}
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PstreamGlobals::outstandingRequests_.append(request);
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}
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else
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{
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FatalErrorIn
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(
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"UOPstream::write"
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"(const int fromProcNo, char* buf, std::streamsize bufSize"
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", const int)"
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) << "Unsupported communications type "
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<< UPstream::commsTypeNames[commsType]
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<< Foam::abort(FatalError);
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}
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return !transferFailed;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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// ************************************************************************* //
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