/* * Copyright (C) 2009 Robert Shearman * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #ifndef _WS2DEF_ #define _WS2DEF_ #include <inaddr.h> #ifdef USE_WS_PREFIX #define WS(x) WS_##x #else #define WS(x) x #endif #ifndef __CSADDR_DEFINED__ #define __CSADDR_DEFINED__ typedef struct _SOCKET_ADDRESS { LPSOCKADDR lpSockaddr; INT iSockaddrLength; } SOCKET_ADDRESS, *PSOCKET_ADDRESS, *LPSOCKET_ADDRESS; typedef struct _CSADDR_INFO { SOCKET_ADDRESS LocalAddr; SOCKET_ADDRESS RemoteAddr; INT iSocketType; INT iProtocol; } CSADDR_INFO, *PCSADDR_INFO, *LPCSADDR_INFO; #endif #ifdef USE_WS_PREFIX #define WS__SS_MAXSIZE 128 #define WS__SS_ALIGNSIZE (sizeof(__int64)) #define WS__SS_PAD1SIZE (WS__SS_ALIGNSIZE - sizeof(short)) #define WS__SS_PAD2SIZE (WS__SS_MAXSIZE - 2 * WS__SS_ALIGNSIZE) #else #define _SS_MAXSIZE 128 #define _SS_ALIGNSIZE (sizeof(__int64)) #define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof(short)) #define _SS_PAD2SIZE (_SS_MAXSIZE - 2 * _SS_ALIGNSIZE) #endif typedef struct WS(sockaddr_storage) { short ss_family; char __ss_pad1[WS(_SS_PAD1SIZE)]; __int64 DECLSPEC_ALIGN(8) __ss_align; char __ss_pad2[WS(_SS_PAD2SIZE)]; } SOCKADDR_STORAGE, *PSOCKADDR_STORAGE, *LPSOCKADDR_STORAGE; /*socket address list */ typedef struct _SOCKET_ADDRESS_LIST { INT iAddressCount; SOCKET_ADDRESS Address[1]; } SOCKET_ADDRESS_LIST, *LPSOCKET_ADDRESS_LIST; typedef enum { ScopeLevelInterface = 1, ScopeLevelLink = 2, ScopeLevelSubnet = 3, ScopeLevelAdmin = 4, ScopeLevelSite = 5, ScopeLevelOrganization = 8, ScopeLevelGlobal = 14 } SCOPE_LEVEL; /* * Macros for retrieving control message data returned by WSARecvMsg() */ #define WSA_CMSG_DATA(cmsg) ((UCHAR*)((WSACMSGHDR*)(cmsg)+1)) #define WSA_CMSG_FIRSTHDR(mhdr) ((mhdr)->Control.len >= sizeof(WSACMSGHDR) ? (WSACMSGHDR *) (mhdr)->Control.buf : (WSACMSGHDR *) 0) #define WSA_CMSG_ALIGN(len) (((len) + sizeof(SIZE_T) - 1) & ~(sizeof(SIZE_T) - 1)) /* * Next Header: If the response is too short (or the next message in the response * is too short) then return NULL, otherwise return the next control message. */ #define WSA_CMSG_NXTHDR(mhdr,cmsg) \ (!(cmsg) ? WSA_CMSG_FIRSTHDR(mhdr) : \ ((mhdr)->Control.len < sizeof(WSACMSGHDR) ? NULL : \ (((unsigned char*)(((WSACMSGHDR*)((unsigned char*)cmsg + WSA_CMSG_ALIGN(cmsg->cmsg_len)))+1) > ((unsigned char*)(mhdr)->Control.buf + (mhdr)->Control.len)) ? NULL : \ (((unsigned char*)cmsg + WSA_CMSG_ALIGN(cmsg->cmsg_len)+WSA_CMSG_ALIGN(((WSACMSGHDR*)((unsigned char*)cmsg + WSA_CMSG_ALIGN(cmsg->cmsg_len)))->cmsg_len) > ((unsigned char*)(mhdr)->Control.buf + (mhdr)->Control.len)) ? NULL : \ (WSACMSGHDR*)((unsigned char*)cmsg + WSA_CMSG_ALIGN(cmsg->cmsg_len)))))) #endif /* _WS2DEF_ */