124 lines
3.7 KiB
C
124 lines
3.7 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 | www.openfoam.com
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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Copyright (C) 2017-2020 OpenCFD Ltd.
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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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Application
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Test-externalFileCoupler
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Description
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Test of master/slave communication etc.
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\*---------------------------------------------------------------------------*/
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#include "argList.H"
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#include "externalFileCoupler.H"
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using namespace Foam;
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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// Main program:
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int main(int argc, char *argv[])
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{
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argList::noBanner();
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argList::noParallel();
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argList::addOption("sleep", "N", "sleep to add between calls");
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argList::addOption("max", "N", "max number of calls (default: 1000)");
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argList::addBoolOption("slave", "run as slave");
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#include "setRootCase.H"
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const label maxCount = args.getOrDefault<label>("max", 1000);
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const label sleeping = args.getOrDefault<label>("sleep", 0);
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externalFileCoupler coupler;
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if (args.found("slave"))
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{
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const word role = "slave";
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const word other = "master";
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Info<< "Running as " << role << " max=" << maxCount
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<< " (sleep " << sleeping << ')' << endl;
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for (label count = 0; count < maxCount; ++count)
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{
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// Wait for master, but stop if status=done was seen
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Info<< role << '[' << count << "] wait for " << other << endl;
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if (!coupler.waitForMaster())
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{
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Info<< role << ": stopping. status=done was detected" << endl;
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break;
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}
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if (sleeping)
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{
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sleep(sleeping);
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}
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// Info<< role << ": switch to " << other << endl;
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coupler.useMaster();
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}
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Info<< role << ": exiting" << endl;
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}
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else
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{
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const word role = "master";
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const word other = "slave";
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Info<< "Running as " << role << " max=" << maxCount
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<< " (sleep " << sleeping << ')' << endl;
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for (label count = 0; count < maxCount; ++count)
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{
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// Wait for slave, but stop if status=done was seen
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Info<< role << '[' << count << "] wait for " << other << endl;
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if (!coupler.waitForSlave())
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{
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Info<< role << ": stopping. status=done was detected" << endl;
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break;
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}
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if (sleeping)
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{
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sleep(sleeping);
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}
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// Info<< role << ": switch to " << other << endl;
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coupler.useSlave();
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}
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// shudown - slave should notice and terminate
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Info<< role << ": exiting" << endl;
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}
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return 0;
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}
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// ************************************************************************* //
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