/* Copyright (C) 2001 Free Software Foundation, Inc. * * 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, 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 software; see the file COPYING. If not, write to * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, * Boston, MA 02111-1307 USA * * As a special exception, the Free Software Foundation gives permission * for additional uses of the text contained in its release of GUILE. * * The exception is that, if you link the GUILE library with other files * to produce an executable, this does not by itself cause the * resulting executable to be covered by the GNU General Public License. * Your use of that executable is in no way restricted on account of * linking the GUILE library code into it. * * This exception does not however invalidate any other reasons why * the executable file might be covered by the GNU General Public License. * * This exception applies only to the code released by the * Free Software Foundation under the name GUILE. If you copy * code from other Free Software Foundation releases into a copy of * GUILE, as the General Public License permits, the exception does * not apply to the code that you add in this way. To avoid misleading * anyone as to the status of such modified files, you must delete * this exception notice from them. * * If you write modifications of your own for GUILE, it is your choice * whether to permit this exception to apply to your modifications. * If you do not wish that, delete this exception notice. */ #include "libguile/__scm.h" #include "libguile/modules.h" #include "libguile/numbers.h" #include #include "win32-socket.h" /* Winsock API error description structure. The error description is necessary because there is no error list available. */ typedef struct { int error; /* Error code. */ char *str; /* Error description. */ int replace; /* Possible error code replacement. */ char *replace_str; /* Replacement symbol. */ char *correct_str; /* Original symbol. */ } socket_error_t; /* Define replacement symbols for most of the WSA* error codes. */ #ifndef EWOULDBLOCK # define EWOULDBLOCK WSAEWOULDBLOCK #endif #ifndef EINPROGRESS # define EINPROGRESS WSAEINPROGRESS #endif #ifndef EALREADY # define EALREADY WSAEALREADY #endif #ifndef EDESTADDRREQ # define EDESTADDRREQ WSAEDESTADDRREQ #endif #ifndef EMSGSIZE # define EMSGSIZE WSAEMSGSIZE #endif #ifndef EPROTOTYPE # define EPROTOTYPE WSAEPROTOTYPE #endif #ifndef ENOTSOCK # define ENOTSOCK WSAENOTSOCK #endif #ifndef ENOPROTOOPT # define ENOPROTOOPT WSAENOPROTOOPT #endif #ifndef EPROTONOSUPPORT # define EPROTONOSUPPORT WSAEPROTONOSUPPORT #endif #ifndef ESOCKTNOSUPPORT # define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT #endif #ifndef EOPNOTSUPP # define EOPNOTSUPP WSAEOPNOTSUPP #endif #ifndef EPFNOSUPPORT # define EPFNOSUPPORT WSAEPFNOSUPPORT #endif #ifndef EAFNOSUPPORT # define EAFNOSUPPORT WSAEAFNOSUPPORT #endif #ifndef EADDRINUSE # define EADDRINUSE WSAEADDRINUSE #endif #ifndef EADDRNOTAVAIL # define EADDRNOTAVAIL WSAEADDRNOTAVAIL #endif #ifndef ENETDOWN # define ENETDOWN WSAENETDOWN #endif #ifndef ENETUNREACH # define ENETUNREACH WSAENETUNREACH #endif #ifndef ENETRESET # define ENETRESET WSAENETRESET #endif #ifndef ECONNABORTED # define ECONNABORTED WSAECONNABORTED #endif #ifndef ECONNRESET # define ECONNRESET WSAECONNRESET #endif #ifndef ENOBUFS # define ENOBUFS WSAENOBUFS #endif #ifndef EISCONN # define EISCONN WSAEISCONN #endif #ifndef ENOTCONN # define ENOTCONN WSAENOTCONN #endif #ifndef ESHUTDOWN # define ESHUTDOWN WSAESHUTDOWN #endif #ifndef ETOOMANYREFS # define ETOOMANYREFS WSAETOOMANYREFS #endif #ifndef ETIMEDOUT # define ETIMEDOUT WSAETIMEDOUT #endif #ifndef ECONNREFUSED # define ECONNREFUSED WSAECONNREFUSED #endif #ifndef ELOOP # define ELOOP WSAELOOP #endif #ifndef EHOSTDOWN # define EHOSTDOWN WSAEHOSTDOWN #endif #ifndef EHOSTUNREACH # define EHOSTUNREACH WSAEHOSTUNREACH #endif #ifndef EPROCLIM # define EPROCLIM WSAEPROCLIM #endif #ifndef EUSERS # define EUSERS WSAEUSERS #endif #ifndef EDQUOT # define EDQUOT WSAEDQUOT #endif #ifndef ESTALE # define ESTALE WSAESTALE #endif #ifndef EREMOTE # define EREMOTE WSAEREMOTE #endif /* List of error structures. */ static socket_error_t socket_errno [] = { /* 000 */ { 0, NULL, 0, NULL, NULL }, /* 001 */ { 0, NULL, 0, NULL, NULL }, /* 002 */ { 0, NULL, 0, NULL, NULL }, /* 003 */ { 0, NULL, 0, NULL, NULL }, /* 004 */ { WSAEINTR, "Interrupted function call", EINTR, NULL, "WSAEINTR" }, /* 005 */ { 0, NULL, 0, NULL, NULL }, /* 006 */ { 0, NULL, 0, NULL, NULL }, /* 007 */ { 0, NULL, 0, NULL, NULL }, /* 008 */ { 0, NULL, 0, NULL, NULL }, /* 009 */ { WSAEBADF, "Bad file number", EBADF, NULL, "WSAEBADF" }, /* 010 */ { 0, NULL, 0, NULL, NULL }, /* 011 */ { 0, NULL, 0, NULL, NULL }, /* 012 */ { 0, NULL, 0, NULL, NULL }, /* 013 */ { WSAEACCES, "Permission denied", EACCES, NULL, "WSAEACCES" }, /* 014 */ { WSAEFAULT, "Bad address", EFAULT, NULL, "WSAEFAULT" }, /* 015 */ { 0, NULL, 0, NULL, NULL }, /* 016 */ { 0, NULL, 0, NULL, NULL }, /* 017 */ { 0, NULL, 0, NULL, NULL }, /* 018 */ { 0, NULL, 0, NULL, NULL }, /* 019 */ { 0, NULL, 0, NULL, NULL }, /* 020 */ { 0, NULL, 0, NULL, NULL }, /* 021 */ { 0, NULL, 0, NULL, NULL }, /* 022 */ { WSAEINVAL, "Invalid argument", EINVAL, NULL, "WSAEINVAL" }, /* 023 */ { 0, NULL, 0, NULL, NULL }, /* 024 */ { WSAEMFILE, "Too many open files", EMFILE, NULL, "WSAEMFILE" }, /* 025 */ { 0, NULL, 0, NULL, NULL }, /* 026 */ { 0, NULL, 0, NULL, NULL }, /* 027 */ { 0, NULL, 0, NULL, NULL }, /* 028 */ { 0, NULL, 0, NULL, NULL }, /* 029 */ { 0, NULL, 0, NULL, NULL }, /* 030 */ { 0, NULL, 0, NULL, NULL }, /* 031 */ { 0, NULL, 0, NULL, NULL }, /* 032 */ { 0, NULL, 0, NULL, NULL }, /* 033 */ { 0, NULL, 0, NULL, NULL }, /* 034 */ { 0, NULL, 0, NULL, NULL }, /* 035 */ { WSAEWOULDBLOCK, "Resource temporarily unavailable", EWOULDBLOCK, "EWOULDBLOCK", "WSAEWOULDBLOCK" }, /* 036 */ { WSAEINPROGRESS, "Operation now in progress", EINPROGRESS, "EINPROGRESS", "WSAEINPROGRESS" }, /* 037 */ { WSAEALREADY, "Operation already in progress", EALREADY, "EALREADY", "WSAEALREADY" }, /* 038 */ { WSAENOTSOCK, "Socket operation on non-socket", ENOTSOCK, "ENOTSOCK", "WSAENOTSOCK"}, /* 039 */ { WSAEDESTADDRREQ, "Destination address required", EDESTADDRREQ, "EDESTADDRREQ", "WSAEDESTADDRREQ" }, /* 040 */ { WSAEMSGSIZE, "Message too long", EMSGSIZE, "EMSGSIZE", "WSAEMSGSIZE" }, /* 041 */ { WSAEPROTOTYPE, "Protocol wrong type for socket", EPROTOTYPE, "EPROTOTYPE", "WSAEPROTOTYPE" }, /* 042 */ { WSAENOPROTOOPT, "Bad protocol option", ENOPROTOOPT, "ENOPROTOOPT", "WSAENOPROTOOPT" }, /* 043 */ { WSAEPROTONOSUPPORT, "Protocol not supported", EPROTONOSUPPORT, "EPROTONOSUPPORT", "WSAEPROTONOSUPPORT" }, /* 044 */ { WSAESOCKTNOSUPPORT, "Socket type not supported", ESOCKTNOSUPPORT, "ESOCKTNOSUPPORT", "WSAESOCKTNOSUPPORT" }, /* 045 */ { WSAEOPNOTSUPP, "Operation not supported", EOPNOTSUPP, "EOPNOTSUPP", "WSAEOPNOTSUPP" }, /* 046 */ { WSAEPFNOSUPPORT, "Protocol family not supported", EPFNOSUPPORT, "EPFNOSUPPORT", "WSAEPFNOSUPPORT" }, /* 047 */ { WSAEAFNOSUPPORT, "Address family not supported by protocol family", EAFNOSUPPORT, "EAFNOSUPPORT", "WSAEAFNOSUPPORT" }, /* 048 */ { WSAEADDRINUSE, "Address already in use", EADDRINUSE, "EADDRINUSE", "WSAEADDRINUSE" }, /* 049 */ { WSAEADDRNOTAVAIL, "Cannot assign requested address", EADDRNOTAVAIL, "EADDRNOTAVAIL", "WSAEADDRNOTAVAIL" }, /* 050 */ { WSAENETDOWN, "Network is down", ENETDOWN, "ENETDOWN", "WSAENETDOWN" }, /* 051 */ { WSAENETUNREACH, "Network is unreachable", ENETUNREACH, "ENETUNREACH", "WSAENETUNREACH" }, /* 052 */ { WSAENETRESET, "Network dropped connection on reset", ENETRESET, "ENETRESET", "WSAENETRESET" }, /* 053 */ { WSAECONNABORTED, "Software caused connection abort", ECONNABORTED, "ECONNABORTED", "WSAECONNABORTED" }, /* 054 */ { WSAECONNRESET, "Connection reset by peer", ECONNRESET, "ECONNRESET", "WSAECONNRESET" }, /* 055 */ { WSAENOBUFS, "No buffer space available", ENOBUFS, "ENOBUFS", "WSAENOBUFS" }, /* 056 */ { WSAEISCONN, "Socket is already connected", EISCONN, "EISCONN", "WSAEISCONN" }, /* 057 */ { WSAENOTCONN, "Socket is not connected", ENOTCONN, "ENOTCONN", "WSAENOTCONN" }, /* 058 */ { WSAESHUTDOWN, "Cannot send after socket shutdown", ESHUTDOWN, "ESHUTDOWN", "WSAESHUTDOWN" }, /* 059 */ { WSAETOOMANYREFS, "Too many references; can't splice", ETOOMANYREFS, "ETOOMANYREFS", "WSAETOOMANYREFS" }, /* 060 */ { WSAETIMEDOUT, "Connection timed out", ETIMEDOUT, "ETIMEDOUT", "WSAETIMEDOUT" }, /* 061 */ { WSAECONNREFUSED, "Connection refused", ECONNREFUSED, "ECONNREFUSED", "WSAECONNREFUSED" }, /* 062 */ { WSAELOOP, "Too many levels of symbolic links", ELOOP, "ELOOP", "WSAELOOP" }, /* 063 */ { WSAENAMETOOLONG, "File name too long", ENAMETOOLONG, NULL, "WSAENAMETOOLONG" }, /* 064 */ { WSAEHOSTDOWN, "Host is down", EHOSTDOWN, "EHOSTDOWN", "WSAEHOSTDOWN" }, /* 065 */ { WSAEHOSTUNREACH, "No route to host", EHOSTUNREACH, "EHOSTUNREACH", "WSAEHOSTUNREACH" }, /* 066 */ { WSAENOTEMPTY, "Directory not empty", ENOTEMPTY, NULL, "WSAENOTEMPTY" }, /* 067 */ { WSAEPROCLIM, "Too many processes", EPROCLIM, "EPROCLIM", "WSAEPROCLIM" }, /* 068 */ { WSAEUSERS, "Too many users", EUSERS, "EUSERS", "WSAEUSERS" }, /* 069 */ { WSAEDQUOT, "Disc quota exceeded", EDQUOT, "EDQUOT", "WSAEDQUOT" }, /* 070 */ { WSAESTALE, "Stale NFS file handle", ESTALE, "ESTALE", "WSAESTALE" }, /* 071 */ { WSAEREMOTE, "Too many levels of remote in path", EREMOTE, "EREMOTE", "WSAEREMOTE" }, /* 072 */ { 0, NULL, 0, NULL, NULL }, /* 073 */ { 0, NULL, 0, NULL, NULL }, /* 074 */ { 0, NULL, 0, NULL, NULL }, /* 075 */ { 0, NULL, 0, NULL, NULL }, /* 076 */ { 0, NULL, 0, NULL, NULL }, /* 077 */ { 0, NULL, 0, NULL, NULL }, /* 078 */ { 0, NULL, 0, NULL, NULL }, /* 079 */ { 0, NULL, 0, NULL, NULL }, /* 080 */ { 0, NULL, 0, NULL, NULL }, /* 081 */ { 0, NULL, 0, NULL, NULL }, /* 082 */ { 0, NULL, 0, NULL, NULL }, /* 083 */ { 0, NULL, 0, NULL, NULL }, /* 084 */ { 0, NULL, 0, NULL, NULL }, /* 085 */ { 0, NULL, 0, NULL, NULL }, /* 086 */ { 0, NULL, 0, NULL, NULL }, /* 087 */ { 0, NULL, 0, NULL, NULL }, /* 088 */ { 0, NULL, 0, NULL, NULL }, /* 089 */ { 0, NULL, 0, NULL, NULL }, /* 090 */ { 0, NULL, 0, NULL, NULL }, /* 091 */ { WSASYSNOTREADY, "Network subsystem is unavailable", 0, NULL, "WSASYSNOTREADY" }, /* 092 */ { WSAVERNOTSUPPORTED, "WINSOCK.DLL version out of range", 0, NULL, "WSAVERNOTSUPPORTED" }, /* 093 */ { WSANOTINITIALISED, "Successful WSAStartup not yet performed", 0, NULL, "WSANOTINITIALISED" }, /* 094 */ { 0, NULL, 0, NULL, NULL }, /* 095 */ { 0, NULL, 0, NULL, NULL }, /* 096 */ { 0, NULL, 0, NULL, NULL }, /* 097 */ { 0, NULL, 0, NULL, NULL }, /* 098 */ { 0, NULL, 0, NULL, NULL }, /* 099 */ { 0, NULL, 0, NULL, NULL }, /* 100 */ { 0, NULL, 0, NULL, NULL }, /* 101 */ { WSAEDISCON, "Graceful shutdown in progress", 0, NULL, "WSAEDISCON" }, /* 102 */ { WSAENOMORE, "No more services", 0, NULL, "WSAENOMORE" }, /* 103 */ { WSAECANCELLED, "Service lookup cancelled", 0, NULL, "WSAECANCELLED" }, /* 104 */ { WSAEINVALIDPROCTABLE, "Invalid procedure call table", 0, NULL, "WSAEINVALIDPROCTABLE" }, /* 105 */ { WSAEINVALIDPROVIDER, "Invalid service provider", 0, NULL, "WSAEINVALIDPROVIDER" }, /* 106 */ { WSAEPROVIDERFAILEDINIT, "Service provider failure", 0, NULL, "WSAEPROVIDERFAILEDINIT" }, /* 107 */ { WSASYSCALLFAILURE, "System call failed", 0, NULL, "WSASYSCALLFAILURE" }, /* 108 */ { WSASERVICE_NOT_FOUND, "No such service", 0, NULL, "WSASERVICE_NOT_FOUND" }, /* 109 */ { WSATYPE_NOT_FOUND, "Class not found", 0, NULL, "WSATYPE_NOT_FOUND" }, /* 110 */ { WSA_E_NO_MORE, "No more services", 0, NULL, "WSA_E_NO_MORE" }, /* 111 */ { WSA_E_CANCELLED, "Service lookup cancelled", 0, NULL, "WSA_E_CANCELLED" }, /* 112 */ { WSAEREFUSED, "Database query refused", 0, NULL, "WSAEREFUSED" }, /* end */ { -1, NULL, -1, NULL, NULL } }; /* Extended list of error structures. */ static socket_error_t socket_h_errno [] = { /* 000 */ { 0, NULL, 0, NULL, NULL }, /* 001 */ { WSAHOST_NOT_FOUND, "Host not found", HOST_NOT_FOUND, "HOST_NOT_FOUND", "WSAHOST_NOT_FOUND" }, /* 002 */ { WSATRY_AGAIN, "Non-authoritative host not found", TRY_AGAIN, "TRY_AGAIN", "WSATRY_AGAIN" }, /* 003 */ { WSANO_RECOVERY, "This is a non-recoverable error", NO_RECOVERY, "NO_RECOVERY", "WSANO_RECOVERY" }, /* 004 */ { WSANO_DATA, "Valid name, no data record of requested type", NO_DATA, "NO_DATA", "WSANO_DATA" }, /* 005 */ { WSANO_ADDRESS, "No address, look for MX record", NO_ADDRESS, "NO_ADDRESS", "WSANO_ADDRESS" }, /* end */ { -1, NULL, -1, NULL, NULL } }; /* Returns the result of @code{WSAGetLastError()}. */ int scm_i_socket_errno (void) { return WSAGetLastError (); } /* Returns a valid error message for Winsock-API error codes obtained via @code{WSAGetLastError()} or NULL otherwise. */ char * scm_i_socket_strerror (int error) { if (error >= WSABASEERR && error <= (WSABASEERR + 112)) return socket_errno[error - WSABASEERR].str; else if (error >= (WSABASEERR + 1000) && error <= (WSABASEERR + 1005)) return socket_h_errno[error - (WSABASEERR + 1000)].str; return NULL; } /* Define both the original and replacement error symbol is possible. Thus the user is able to check symbolic errors after unsuccessful networking function calls. */ static void scm_socket_symbols_Win32 (socket_error_t * e) { while (e->error != -1) { if (e->error) { if (e->correct_str) scm_c_define (e->correct_str, SCM_MAKINUM (e->error)); if (e->replace && e->replace_str) scm_c_define (e->replace_str, SCM_MAKINUM (e->replace)); } e++; } } /* Initialize Winsock API under M$-Windows. */ void scm_i_init_socket_Win32 (void) { scm_socket_symbols_Win32 (socket_errno); scm_socket_symbols_Win32 (socket_h_errno); }