source: trunk/synergy/lib/arch/XArchWindows.cpp

/*
 * synergy -- mouse and keyboard sharing utility
 * Copyright (C) 2002 Chris Schoeneman
 * 
 * This package is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * found in the file COPYING that should have accompanied this file.
 * 
 * This package 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.
 */

#include "XArchWindows.h"
#include "CArchNetworkWinsock.h"

//
// XArchEvalWindows
//

XArchEval*
XArchEvalWindows::clone() const throw()
{
        return new XArchEvalWindows(m_errno);
}

std::string
XArchEvalWindows::eval() const throw()
{
        char* cmsg;
        if (FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
                                                        FORMAT_MESSAGE_IGNORE_INSERTS |
                                                        FORMAT_MESSAGE_FROM_SYSTEM,
                                                        0,
                                                        m_errno,
                                                        MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
                                                        (LPTSTR)&cmsg,
                                                        0,
                                                        NULL) == 0) {
                cmsg = NULL;
                return "Unknown error";
        }
        std::string smsg(cmsg);
        LocalFree(cmsg);
        return smsg;
}


//
// XArchEvalWinsock
//

XArchEval*
XArchEvalWinsock::clone() const throw()
{
        return new XArchEvalWinsock(m_errno);
}

std::string
XArchEvalWinsock::eval() const throw()
{
        // built-in windows function for looking up error message strings
        // may not look up network error messages correctly.  we'll have
        // to do it ourself.
        static const struct { int m_code; const char* m_msg; } s_netErrorCodes[] = {
                /* 10004 */{WSAEINTR,                   "The (blocking) call was canceled via WSACancelBlockingCall"},
                /* 10009 */{WSAEBADF,                   "Bad file handle"},
                /* 10013 */{WSAEACCES,                  "The requested address is a broadcast address, but the appropriate flag was not set"},
                /* 10014 */{WSAEFAULT,                  "WSAEFAULT"},
                /* 10022 */{WSAEINVAL,                  "WSAEINVAL"},
                /* 10024 */{WSAEMFILE,                  "No more file descriptors available"},
                /* 10035 */{WSAEWOULDBLOCK,             "Socket is marked as non-blocking and no connections are present or the receive operation would block"},
                /* 10036 */{WSAEINPROGRESS,             "A blocking Windows Sockets operation is in progress"},
                /* 10037 */{WSAEALREADY,                "The asynchronous routine being canceled has already completed"},
                /* 10038 */{WSAENOTSOCK,                "At least on descriptor is not a socket"},
                /* 10039 */{WSAEDESTADDRREQ,    "A destination address is required"},
                /* 10040 */{WSAEMSGSIZE,                "The datagram was too large to fit into the specified buffer and was truncated"},
                /* 10041 */{WSAEPROTOTYPE,              "The specified protocol is the wrong type for this socket"},
                /* 10042 */{WSAENOPROTOOPT,             "The option is unknown or unsupported"},
                /* 10043 */{WSAEPROTONOSUPPORT,"The specified protocol is not supported"},
                /* 10044 */{WSAESOCKTNOSUPPORT,"The specified socket type is not supported by this address family"},
                /* 10045 */{WSAEOPNOTSUPP,              "The referenced socket is not a type that supports that operation"},
                /* 10046 */{WSAEPFNOSUPPORT,    "BSD: Protocol family not supported"},
                /* 10047 */{WSAEAFNOSUPPORT,    "The specified address family is not supported"},
                /* 10048 */{WSAEADDRINUSE,              "The specified address is already in use"},
                /* 10049 */{WSAEADDRNOTAVAIL,   "The specified address is not available from the local machine"},
                /* 10050 */{WSAENETDOWN,                "The Windows Sockets implementation has detected that the network subsystem has failed"},
                /* 10051 */{WSAENETUNREACH,             "The network can't be reached from this hos at this time"},
                /* 10052 */{WSAENETRESET,               "The connection must be reset because the Windows Sockets implementation dropped it"},
                /* 10053 */{WSAECONNABORTED,    "The virtual circuit was aborted due to timeout or other failure"},
                /* 10054 */{WSAECONNRESET,              "The virtual circuit was reset by the remote side"},
                /* 10055 */{WSAENOBUFS,                 "No buffer space is available or a buffer deadlock has occured. The socket cannot be created"},
                /* 10056 */{WSAEISCONN,                 "The socket is already connected"},
                /* 10057 */{WSAENOTCONN,                "The socket is not connected"},
                /* 10058 */{WSAESHUTDOWN,               "The socket has been shutdown"},
                /* 10059 */{WSAETOOMANYREFS,    "BSD: Too many references"},
                /* 10060 */{WSAETIMEDOUT,               "Attempt to connect timed out without establishing a connection"},
                /* 10061 */{WSAECONNREFUSED,    "The attempt to connect was forcefully rejected"},
                /* 10062 */{WSAELOOP,                   "Undocumented WinSock error code used in BSD"},
                /* 10063 */{WSAENAMETOOLONG,    "Undocumented WinSock error code used in BSD"},
                /* 10064 */{WSAEHOSTDOWN,               "Undocumented WinSock error code used in BSD"},
                /* 10065 */{WSAEHOSTUNREACH,    "No route to host"},
                /* 10066 */{WSAENOTEMPTY,               "Undocumented WinSock error code"},
                /* 10067 */{WSAEPROCLIM,                "Undocumented WinSock error code"},
                /* 10068 */{WSAEUSERS,                  "Undocumented WinSock error code"},
                /* 10069 */{WSAEDQUOT,                  "Undocumented WinSock error code"},
                /* 10070 */{WSAESTALE,                  "Undocumented WinSock error code"},
                /* 10071 */{WSAEREMOTE,                 "Undocumented WinSock error code"},
                /* 10091 */{WSASYSNOTREADY,             "Underlying network subsytem is not ready for network communication"},
                /* 10092 */{WSAVERNOTSUPPORTED, "The version of WinSock API support requested is not provided in this implementation"},
                /* 10093 */{WSANOTINITIALISED,  "WinSock subsystem not properly initialized"},
                /* 10101 */{WSAEDISCON,                 "Virtual circuit has gracefully terminated connection"},
                /* 11001 */{WSAHOST_NOT_FOUND,  "The specified host is unknown"},
                /* 11002 */{WSATRY_AGAIN,               "A temporary error occurred on an authoritative name server"},
                /* 11003 */{WSANO_RECOVERY,             "A non-recoverable name server error occurred"},
                /* 11004 */{WSANO_DATA,                 "The requested name is valid but does not have an IP address"},
                /* end   */{0,                                  NULL}
        };

        for (unsigned int i = 0; s_netErrorCodes[i].m_code != 0; ++i) {
                if (s_netErrorCodes[i].m_code == m_errno) {
                        return s_netErrorCodes[i].m_msg;
                }
        }
        return "Unknown error";
}