mwlowlev.h

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// Copyright (C) 1997-2020 by Pawel Pilarczyk.
//
// This file is part of my research software package. This 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.
//
// This software 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 this software; see the file "license.txt". If not,
// please, see <https://www.gnu.org/licenses/>.
 
// Started on August 11, 2004. Last revision: November 29, 2007.
 
 
#ifndef _CHOMP_MULTIWORK_MWLOWLEV_H_
#define _CHOMP_MULTIWORK_MWLOWLEV_H_
 
#include <string>
 
namespace chomp {
namespace multiwork {
 
// --------------------------------------------------
// ---------- network communication flags -----------
// --------------------------------------------------
 
enum mwIOconstants
{
        mwNone = 0,
 
        mwCanRead = 0x01,
 
        mwCanWrite = 0x02,
 
        mwTimeOut = -4,
 
        mwLost = -5
 
}; /* enum mwIOconstants */
 
 
// --------------------------------------------------
// ------------- network communication --------------
// --------------------------------------------------
// The following functions are implemented
// in a system-dependent way in the "mw_*.cpp" files
// one of which (or all) must be linked with the program.
 
int mwSendBytes (int fd, const char *buf, int len);
 
int mwRecvBytes (int fd, char *buf, int len);
 
int mwConnect (const char *name, int port);
 
int mwListen (int port, int queuesize);
 
int mwAccept (int fd, std::string &computer, int timeout = -1);
 
int mwSelect (const int *workers, int nworkers, int listensocket,
        int *ioflags, int timeout);
 
void mwDisconnect (int fd);
 
 
} // namespace multiwork
} // namespace chomp
 
#endif // _CHOMP_MULTIWORK_MWLOWLEV_H_