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/* $Id: winutils.h $ */
/** @file
* NAT Network - winsock compatibility shim.
*/
/*
* Copyright (C) 2013-2019 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
#ifndef VBOX_INCLUDED_SRC_NAT_winutils_h
#define VBOX_INCLUDED_SRC_NAT_winutils_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
# include <iprt/cdefs.h>
# ifdef RT_OS_WINDOWS
# include <iprt/win/winsock2.h>
# include <iprt/win/ws2tcpip.h>
# include <mswsock.h>
# include <iprt/win/windows.h>
# include <iprt/err.h>
# include <iprt/net.h>
# include <iprt/log.h>
/**
* Inclusion of lwip/def.h was added here to avoid conflict of definitions
* of hton-family functions in LWIP and windock's headers.
*/
# include <lwip/def.h>
# ifndef PF_LOCAL
# define PF_LOCAL AF_INET
# endif
# ifdef DEBUG
# define err(code,...) do { \
AssertMsgFailed((__VA_ARGS__)); \
}while(0)
#else
# define err(code,...) do { \
DPRINTF0((__VA_ARGS__)); \
ExitProcess(code); \
}while(0)
#endif
# define errx err
# define __func__ __FUNCTION__
# define __attribute__(x) /* IGNORE */
# define SOCKERRNO() (WSAGetLastError())
# define SET_SOCKERRNO(error) do { WSASetLastError(error); } while (0)
/**
* "Windows Sockets Error Codes" obtained with WSAGetLastError().
* http://msdn.microsoft.com/en-us/library/windows/desktop/ms740668(v=vs.85).aspx
*
* This block of error codes from <winsock2.h> conflicts with "POSIX
* supplement" error codes from <errno.h>, but we don't expect to ever
* encounter the latter in the proxy code, so redefine them to their
* unixy names.
*/
# undef EWOULDBLOCK
# define EWOULDBLOCK WSAEWOULDBLOCK
# undef EINPROGRESS
# define EINPROGRESS WSAEINPROGRESS
# undef EALREADY
# define EALREADY WSAEALREADY
# undef ENOTSOCK
# define ENOTSOCK WSAENOTSOCK
# undef EDESTADDRREQ
# define EDESTADDRREQ WSAEDESTADDRREQ
# undef EMSGSIZE
# define EMSGSIZE WSAEMSGSIZE
# undef EPROTOTYPE
# define EPROTOTYPE WSAEPROTOTYPE
# undef ENOPROTOOPT
# define ENOPROTOOPT WSAENOPROTOOPT
# undef EPROTONOSUPPORT
# define EPROTONOSUPPORT WSAEPROTONOSUPPORT
# undef ESOCKTNOSUPPORT
# define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT
# undef EOPNOTSUPP
# define EOPNOTSUPP WSAEOPNOTSUPP
# undef EPFNOSUPPORT
# define EPFNOSUPPORT WSAEPFNOSUPPORT
# undef EAFNOSUPPORT
# define EAFNOSUPPORT WSAEAFNOSUPPORT
# undef EADDRINUSE
# define EADDRINUSE WSAEADDRINUSE
# undef EADDRNOTAVAIL
# define EADDRNOTAVAIL WSAEADDRNOTAVAIL
# undef ENETDOWN
# define ENETDOWN WSAENETDOWN
# undef ENETUNREACH
# define ENETUNREACH WSAENETUNREACH
# undef ENETRESET
# define ENETRESET WSAENETRESET
# undef ECONNABORTED
# define ECONNABORTED WSAECONNABORTED
# undef ECONNRESET
# define ECONNRESET WSAECONNRESET
# undef ENOBUFS
# define ENOBUFS WSAENOBUFS
# undef EISCONN
# define EISCONN WSAEISCONN
# undef ENOTCONN
# define ENOTCONN WSAENOTCONN
# undef ESHUTDOWN
# define ESHUTDOWN WSAESHUTDOWN
# undef ETOOMANYREFS
# define ETOOMANYREFS WSAETOOMANYREFS
# undef ETIMEDOUT
# define ETIMEDOUT WSAETIMEDOUT
# undef ECONNREFUSED
# define ECONNREFUSED WSAECONNREFUSED
# undef ELOOP
# define ELOOP WSAELOOP
# undef ENAMETOOLONG
# define ENAMETOOLONG WSAENAMETOOLONG
# undef EHOSTDOWN
# define EHOSTDOWN WSAEHOSTDOWN
# undef EHOSTUNREACH
# define EHOSTUNREACH WSAEHOSTUNREACH
/**
* parameters to shutdown (2) with Winsock2
* http://msdn.microsoft.com/en-us/library/windows/desktop/ms740481(v=vs.85).aspx
*/
# define SHUT_RD SD_RECEIVE
# define SHUT_WR SD_SEND
# define SHUT_RDWR SD_BOTH
typedef ULONG nfds_t;
typedef WSABUF IOVEC;
# define IOVEC_GET_BASE(iov) ((iov).buf)
# define IOVEC_SET_BASE(iov, b) ((iov).buf = (b))
# define IOVEC_GET_LEN(iov) ((iov).len)
# define IOVEC_SET_LEN(iov, l) ((iov).len = (ULONG)(l))
#if _WIN32_WINNT < 0x0600
/* otherwise defined the other way around in ws2def.h */
#define cmsghdr _WSACMSGHDR
#undef CMSG_DATA /* wincrypt.h can byte my shiny metal #undef */
#define CMSG_DATA WSA_CMSG_DATA
#define CMSG_LEN WSA_CMSG_LEN
#define CMSG_SPACE WSA_CMSG_SPACE
#define CMSG_FIRSTHDR WSA_CMSG_FIRSTHDR
#define CMSG_NXTHDR WSA_CMSG_NXTHDR
#endif /* _WIN32_WINNT < 0x0600 - provide unglified CMSG names */
RT_C_DECLS_BEGIN
int RTWinSocketPair(int domain, int type, int protocol, SOCKET socket_vector[2]);
RT_C_DECLS_END
# else /* !RT_OS_WINDOWS */
# include <errno.h>
# include <unistd.h>
# define SOCKET int
# define INVALID_SOCKET (-1)
# define SOCKET_ERROR (-1)
# define SOCKERRNO() (errno)
# define SET_SOCKERRNO(error) do { errno = (error); } while (0)
# define closesocket(s) close(s)
# define ioctlsocket(s, req, arg) ioctl((s), (req), (arg))
typedef struct iovec IOVEC;
# define IOVEC_GET_BASE(iov) ((iov).iov_base)
# define IOVEC_SET_BASE(iov, b) ((iov).iov_base = (b))
# define IOVEC_GET_LEN(iov) ((iov).iov_len)
# define IOVEC_SET_LEN(iov, l) ((iov).iov_len = (l))
# endif
DECLINLINE(int)
proxy_error_is_transient(int error)
{
# if !defined(RT_OS_WINDOWS)
return error == EWOULDBLOCK
# if EAGAIN != EWOULDBLOCK
|| error == EAGAIN
# endif
|| error == EINTR
|| error == ENOBUFS
|| error == ENOMEM;
# else
return error == WSAEWOULDBLOCK
|| error == WSAEINTR /* NB: we don't redefine EINTR above */
|| error == WSAENOBUFS;
# endif
}
#endif /* !VBOX_INCLUDED_SRC_NAT_winutils_h */
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