include/ws2def.h

   1 /*
   2  * Copyright (C) 2009 Robert Shearman
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #ifndef _WS2DEF_
  20 #define _WS2DEF_
  21
  22 #include <inaddr.h>
  23
  24 #ifdef USE_WS_PREFIX
  25 #define WS(x)    WS_##x
  26 #else
  27 #define WS(x)    x
  28 #endif
  29
  30 typedef USHORT ADDRESS_FAMILY;
  31
  32 #ifndef __CSADDR_DEFINED__
  33 #define __CSADDR_DEFINED__
  34
  35 typedef struct _SOCKET_ADDRESS {
  36         LPSOCKADDR      lpSockaddr;
  37         INT             iSockaddrLength;
  38 } SOCKET_ADDRESS, *PSOCKET_ADDRESS, *LPSOCKET_ADDRESS;
  39
  40 typedef struct _CSADDR_INFO {
  41         SOCKET_ADDRESS  LocalAddr;
  42         SOCKET_ADDRESS  RemoteAddr;
  43         INT             iSocketType;
  44         INT             iProtocol;
  45 } CSADDR_INFO, *PCSADDR_INFO, *LPCSADDR_INFO;
  46 #endif
  47
  48 #ifdef USE_WS_PREFIX
  49 #define WS__SS_MAXSIZE 128
  50 #define WS__SS_ALIGNSIZE (sizeof(__int64))
  51 #define WS__SS_PAD1SIZE (WS__SS_ALIGNSIZE - sizeof(short))
  52 #define WS__SS_PAD2SIZE (WS__SS_MAXSIZE - 2 * WS__SS_ALIGNSIZE)
  53 #else
  54 #define _SS_MAXSIZE 128
  55 #define _SS_ALIGNSIZE (sizeof(__int64))
  56 #define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof(short))
  57 #define _SS_PAD2SIZE (_SS_MAXSIZE - 2 * _SS_ALIGNSIZE)
  58 #endif
  59
  60 typedef struct WS(sockaddr_storage) {
  61         short ss_family;
  62         char __ss_pad1[WS(_SS_PAD1SIZE)];
  63         __int64 DECLSPEC_ALIGN(8) __ss_align;
  64         char __ss_pad2[WS(_SS_PAD2SIZE)];
  65 } SOCKADDR_STORAGE, *PSOCKADDR_STORAGE, *LPSOCKADDR_STORAGE;
  66
  67 /*socket address list */
  68 typedef struct _SOCKET_ADDRESS_LIST {
  69         INT             iAddressCount;
  70         SOCKET_ADDRESS  Address[1];
  71 } SOCKET_ADDRESS_LIST, *LPSOCKET_ADDRESS_LIST;
  72
  73 typedef enum {
  74     ScopeLevelInterface    = 1,
  75     ScopeLevelLink         = 2,
  76     ScopeLevelSubnet       = 3,
  77     ScopeLevelAdmin        = 4,
  78     ScopeLevelSite         = 5,
  79     ScopeLevelOrganization = 8,
  80     ScopeLevelGlobal       = 14
  81 } SCOPE_LEVEL;
  82
  83 typedef struct
  84 {
  85     union {
  86         struct {
  87             ULONG Zone  : 28;
  88             ULONG Level : 4;
  89         } DUMMYSTRUCTNAME;
  90         ULONG Value;
  91     } DUMMYUNIONNAME;
  92 } SCOPE_ID, *PSCOPE_ID;
  93
  94 typedef struct _WSABUF
  95 {
  96     ULONG len;
  97     CHAR* buf;
  98 } WSABUF, *LPWSABUF;
  99
 100 typedef struct _WSAMSG {
 101     LPSOCKADDR  name;
 102     INT         namelen;
 103     LPWSABUF    lpBuffers;
 104     DWORD       dwBufferCount;
 105     WSABUF      Control;
 106     DWORD       dwFlags;
 107 } WSAMSG, *PWSAMSG, *LPWSAMSG;
 108
 109 /*
 110  * Macros for retrieving control message data returned by WSARecvMsg()
 111  */
 112 #define WSA_CMSG_DATA(cmsg)     ((UCHAR*)((WSACMSGHDR*)(cmsg)+1))
 113 #define WSA_CMSG_FIRSTHDR(mhdr) ((mhdr)->Control.len >= sizeof(WSACMSGHDR) ? (WSACMSGHDR *) (mhdr)->Control.buf : (WSACMSGHDR *) 0)
 114 #define WSA_CMSG_ALIGN(len)     (((len) + sizeof(SIZE_T) - 1) & ~(sizeof(SIZE_T) - 1))
 115 /*
 116  * Next Header: If the response is too short (or the next message in the response
 117  * is too short) then return NULL, otherwise return the next control message.
 118  */
 119 #define WSA_CMSG_NXTHDR(mhdr,cmsg) \
 120         (!(cmsg) ? WSA_CMSG_FIRSTHDR(mhdr) : \
 121          ((mhdr)->Control.len < sizeof(WSACMSGHDR) ? NULL : \
 122          (((unsigned char*)(((WSACMSGHDR*)((unsigned char*)cmsg + WSA_CMSG_ALIGN(cmsg->cmsg_len)))+1) > ((unsigned char*)(mhdr)->Control.buf + (mhdr)->Control.len)) ? NULL : \
 123           (((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 : \
 124            (WSACMSGHDR*)((unsigned char*)cmsg + WSA_CMSG_ALIGN(cmsg->cmsg_len))))))
 125
 126 typedef struct addrinfoexA {
 127     int ai_flags;
 128     int ai_family;
 129     int ai_socktype;
 130     int ai_protocol;
 131     SIZE_T ai_addrlen;
 132     char *ai_canonname;
 133     struct WS(sockaddr) *ai_addr;
 134     void *ai_blob;
 135     SIZE_T ai_bloblen;
 136     GUID *ai_provider;
 137     struct addrinfoexA *ai_next;
 138 } ADDRINFOEXA, *PADDRINFOEXA, *LPADDRINFOEXA;
 139
 140 typedef struct addrinfoexW {
 141     int ai_flags;
 142     int ai_family;
 143     int ai_socktype;
 144     int ai_protocol;
 145     SIZE_T ai_addrlen;
 146     WCHAR *ai_canonname;
 147     struct WS(sockaddr) *ai_addr;
 148     void *ai_blob;
 149     SIZE_T ai_bloblen;
 150     GUID *ai_provider;
 151     struct addrinfoexW *ai_next;
 152 } ADDRINFOEXW, *PADDRINFOEXW, *LPADDRINFOEXW;
 153
 154 #endif /* _WS2DEF_ */