vsnet_err.h

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/*
 * This program 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 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

#ifndef VSNET_ERR_H
#define VSNET_ERR_H

#include <assert.h>
#include <sstream>
#include <string>

inline std::string vsnetLastError()
{
    std::ostringstream ostr;
#if defined (_WIN32) && !defined (__CYGWIN__)
    ostr<<WSAGetLastError()<<std::ends;
#else
    ostr<<strerror( errno )<<std::ends;
#endif
    return ostr.str();
}

inline bool vsnetEWouldBlock()
{
#if defined (_WIN32) && !defined (__CYGWIN__)
    int tmp = WSAGetLastError();
    return tmp == WSAEWOULDBLOCK;

#else
    return errno == EWOULDBLOCK;
#endif
}

inline bool vsnetEConnAborted()
{
#if defined (_WIN32) && !defined (__CYGWIN__)
    int err = WSAGetLastError();
    return (err == WSAECONNABORTED)
           || ( err == WSAENETDOWN || (err == WSAENOTCONN) || (err == WSAECONNABORTED) || (err == WSAESHUTDOWN)
               || (err == WSAETIMEDOUT) ) || (err == WSAECONNRESET);

#else
    return (errno == ECONNABORTED) || (errno == ENETDOWN) || (errno == ENOTCONN) || (errno == ESHUTDOWN)
           || (errno == ECONNRESET) || (errno == ETIMEDOUT);
#endif
}

inline bool vsnetEConnReset()
{
#if defined (_WIN32) && !defined (__CYGWIN__)
    return WSAGetLastError() == WSAECONNRESET;

#else
    return errno == ECONNRESET;
#endif
}

inline int vsnetGetLastError()
{
#if defined (_WIN32) && !defined (__CYGWIN__)
    return WSAGetLastError();

#else
    return errno;
#endif
}

#endif /* VSNET_ERR_H */