/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | www.openfoam.com
     \\/     M anipulation  |
-------------------------------------------------------------------------------
    Copyright (C) 2011-2013 OpenFOAM Foundation
    Copyright (C) 2021 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/>.

Class
    Foam::IPstream

Description
    Input inter-processor communications stream.

SourceFiles
    IPstream.C

\*---------------------------------------------------------------------------*/

#include "Pstream.H"

#ifndef IPstream_H
#define IPstream_H

#include "UIPstream.H"

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{

/*---------------------------------------------------------------------------*\
                           Class IPstream Declaration
\*---------------------------------------------------------------------------*/

class IPstream
:
    public Pstream,
    public UIPstream
{
    // Private Data

        //- Receive index into Pstream::transferBuf_
        label transferBufPosition_;

public:

    // Constructors

        //- Construct given process index to read from
        //- and optional buffer size, read format
        IPstream
        (
            const commsTypes commsType,
            const int fromProcNo,
            const label bufSize = 0,
            const int tag = UPstream::msgType(),
            const label comm = UPstream::worldComm,
            IOstreamOption::streamFormat fmt = IOstreamOption::BINARY
        );
};


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

} // End namespace Foam

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

#endif

// ************************************************************************* //
