e7f0628d79
- reads file contents into a DynamicList<char>, which can then be broadcast, moved to a ICharStream etc.
115 lines
3.3 KiB
C
115 lines
3.3 KiB
C
/*---------------------------------------------------------------------------*\
|
|
========= |
|
|
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
|
\\ / O peration |
|
|
\\ / A nd | www.openfoam.com
|
|
\\/ M anipulation |
|
|
-------------------------------------------------------------------------------
|
|
Copyright (C) 2023-2024 OpenCFD Ltd.
|
|
-------------------------------------------------------------------------------
|
|
License
|
|
This file is part of OpenFOAM.
|
|
|
|
OpenFOAM is free software: you can redistribute it and/or modify it
|
|
under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
|
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
Description
|
|
Test file reading with broadcast
|
|
|
|
\*---------------------------------------------------------------------------*/
|
|
|
|
#include "argList.H"
|
|
#include "Fstream.H"
|
|
#include "Pstream.H"
|
|
#include "SpanStream.H"
|
|
|
|
using namespace Foam;
|
|
|
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
|
// Main program:
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
argList::noBanner();
|
|
argList::noFunctionObjects();
|
|
argList::noCheckProcessorDirectories();
|
|
argList::addVerboseOption("additional information");
|
|
argList::addBoolOption("fail", "fail if file cannot be opened");
|
|
argList::addBoolOption("no-broadcast", "suppress broadcast contents");
|
|
|
|
argList::addNote("Test master-only reading (with broadcast)");
|
|
|
|
argList::addArgument("srcFile");
|
|
|
|
#include "setRootCase.H"
|
|
|
|
const bool syncPar = (UPstream::parRun() && !args.found("no-broadcast"));
|
|
const bool optFail = args.found("fail");
|
|
|
|
auto srcName = args.get<fileName>(1);
|
|
|
|
if (srcName.has_ext("gz"))
|
|
{
|
|
srcName.remove_ext();
|
|
Info<< "stripping extraneous .gz ending" << endl;
|
|
}
|
|
|
|
ICharStream is;
|
|
|
|
{
|
|
DynamicList<char> buffer;
|
|
if (UPstream::master() || !syncPar)
|
|
{
|
|
if (optFail)
|
|
{
|
|
IFstream ifs(srcName, IOstreamOption::BINARY);
|
|
|
|
if (!ifs.good())
|
|
{
|
|
FatalIOErrorInFunction(srcName)
|
|
<< "Cannot open file " << srcName
|
|
<< exit(FatalIOError);
|
|
}
|
|
|
|
buffer = IFstream::readContents(ifs);
|
|
}
|
|
else
|
|
{
|
|
buffer = IFstream::readContents(srcName);
|
|
}
|
|
}
|
|
|
|
if (syncPar)
|
|
{
|
|
// Prefer two broadcasts instead of serialize/de-serialize
|
|
Pstream::broadcastList(buffer);
|
|
}
|
|
|
|
is.swap(buffer);
|
|
}
|
|
|
|
Pout<< "input:" << is.capacity() << endl;
|
|
|
|
for (string line; is.getLine(line); /*nil*/)
|
|
{
|
|
Pout<< "L:" << is.lineNumber() << ": " << line.c_str() << nl;
|
|
}
|
|
|
|
Info<< "\nEnd\n" << endl;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
// ************************************************************************* //
|