1 //
2 // detail/old_win_sdk_compat.hpp
3 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
4 //
5 // Copyright (c) 2003-2015 Christopher M. Kohlhoff (chris at kohlhoff dot com)
6 //
7 // Distributed under the Boost Software License, Version 1.0. (See accompanying
8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
9 //
10 
11 #ifndef BOOST_ASIO_DETAIL_OLD_WIN_SDK_COMPAT_HPP
12 #define BOOST_ASIO_DETAIL_OLD_WIN_SDK_COMPAT_HPP
13 
14 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
15 # pragma once
16 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
17 
18 #include <boost/asio/detail/config.hpp>
19 
20 #if defined(BOOST_ASIO_WINDOWS) || defined(__CYGWIN__)
21 
22 // Guess whether we are building against on old Platform SDK.
23 #if !defined(IN6ADDR_ANY_INIT)
24 #define BOOST_ASIO_HAS_OLD_WIN_SDK 1
25 #endif // !defined(IN6ADDR_ANY_INIT)
26 
27 #if defined(BOOST_ASIO_HAS_OLD_WIN_SDK)
28 
29 // Emulation of types that are missing from old Platform SDKs.
30 //
31 // N.B. this emulation is also used if building for a Windows 2000 target with
32 // a recent (i.e. Vista or later) SDK, as the SDK does not provide IPv6 support
33 // in that case.
34 
35 #include <boost/asio/detail/push_options.hpp>
36 
37 namespace boost {
38 namespace asio {
39 namespace detail {
40 
41 enum
42 {
43   sockaddr_storage_maxsize = 128, // Maximum size.
44   sockaddr_storage_alignsize = (sizeof(__int64)), // Desired alignment.
45   sockaddr_storage_pad1size = (sockaddr_storage_alignsize - sizeof(short)),
46   sockaddr_storage_pad2size = (sockaddr_storage_maxsize -
47       (sizeof(short) + sockaddr_storage_pad1size + sockaddr_storage_alignsize))
48 };
49 
50 struct sockaddr_storage_emulation
51 {
52   short ss_family;
53   char __ss_pad1[sockaddr_storage_pad1size];
54   __int64 __ss_align;
55   char __ss_pad2[sockaddr_storage_pad2size];
56 };
57 
58 struct in6_addr_emulation
59 {
60   union
61   {
62     u_char Byte[16];
63     u_short Word[8];
64   } u;
65 };
66 
67 #if !defined(s6_addr)
68 # define _S6_un u
69 # define _S6_u8 Byte
70 # define s6_addr _S6_un._S6_u8
71 #endif // !defined(s6_addr)
72 
73 struct sockaddr_in6_emulation
74 {
75   short sin6_family;
76   u_short sin6_port;
77   u_long sin6_flowinfo;
78   in6_addr_emulation sin6_addr;
79   u_long sin6_scope_id;
80 };
81 
82 struct ipv6_mreq_emulation
83 {
84   in6_addr_emulation ipv6mr_multiaddr;
85   unsigned int ipv6mr_interface;
86 };
87 
88 struct addrinfo_emulation
89 {
90   int ai_flags;
91   int ai_family;
92   int ai_socktype;
93   int ai_protocol;
94   size_t ai_addrlen;
95   char* ai_canonname;
96   sockaddr* ai_addr;
97   addrinfo_emulation* ai_next;
98 };
99 
100 #if !defined(AI_PASSIVE)
101 # define AI_PASSIVE 0x1
102 #endif
103 
104 #if !defined(AI_CANONNAME)
105 # define AI_CANONNAME 0x2
106 #endif
107 
108 #if !defined(AI_NUMERICHOST)
109 # define AI_NUMERICHOST 0x4
110 #endif
111 
112 #if !defined(EAI_AGAIN)
113 # define EAI_AGAIN WSATRY_AGAIN
114 #endif
115 
116 #if !defined(EAI_BADFLAGS)
117 # define EAI_BADFLAGS WSAEINVAL
118 #endif
119 
120 #if !defined(EAI_FAIL)
121 # define EAI_FAIL WSANO_RECOVERY
122 #endif
123 
124 #if !defined(EAI_FAMILY)
125 # define EAI_FAMILY WSAEAFNOSUPPORT
126 #endif
127 
128 #if !defined(EAI_MEMORY)
129 # define EAI_MEMORY WSA_NOT_ENOUGH_MEMORY
130 #endif
131 
132 #if !defined(EAI_NODATA)
133 # define EAI_NODATA WSANO_DATA
134 #endif
135 
136 #if !defined(EAI_NONAME)
137 # define EAI_NONAME WSAHOST_NOT_FOUND
138 #endif
139 
140 #if !defined(EAI_SERVICE)
141 # define EAI_SERVICE WSATYPE_NOT_FOUND
142 #endif
143 
144 #if !defined(EAI_SOCKTYPE)
145 # define EAI_SOCKTYPE WSAESOCKTNOSUPPORT
146 #endif
147 
148 #if !defined(NI_NOFQDN)
149 # define NI_NOFQDN 0x01
150 #endif
151 
152 #if !defined(NI_NUMERICHOST)
153 # define NI_NUMERICHOST 0x02
154 #endif
155 
156 #if !defined(NI_NAMEREQD)
157 # define NI_NAMEREQD 0x04
158 #endif
159 
160 #if !defined(NI_NUMERICSERV)
161 # define NI_NUMERICSERV 0x08
162 #endif
163 
164 #if !defined(NI_DGRAM)
165 # define NI_DGRAM 0x10
166 #endif
167 
168 #if !defined(IPPROTO_IPV6)
169 # define IPPROTO_IPV6 41
170 #endif
171 
172 #if !defined(IPV6_UNICAST_HOPS)
173 # define IPV6_UNICAST_HOPS 4
174 #endif
175 
176 #if !defined(IPV6_MULTICAST_IF)
177 # define IPV6_MULTICAST_IF 9
178 #endif
179 
180 #if !defined(IPV6_MULTICAST_HOPS)
181 # define IPV6_MULTICAST_HOPS 10
182 #endif
183 
184 #if !defined(IPV6_MULTICAST_LOOP)
185 # define IPV6_MULTICAST_LOOP 11
186 #endif
187 
188 #if !defined(IPV6_JOIN_GROUP)
189 # define IPV6_JOIN_GROUP 12
190 #endif
191 
192 #if !defined(IPV6_LEAVE_GROUP)
193 # define IPV6_LEAVE_GROUP 13
194 #endif
195 
196 } // namespace detail
197 } // namespace asio
198 } // namespace boost
199 
200 #include <boost/asio/detail/pop_options.hpp>
201 
202 #endif // defined(BOOST_ASIO_HAS_OLD_WIN_SDK)
203 
204 // Even newer Platform SDKs that support IPv6 may not define IPV6_V6ONLY.
205 #if !defined(IPV6_V6ONLY)
206 # define IPV6_V6ONLY 27
207 #endif
208 
209 // Some SDKs (e.g. Windows CE) don't define IPPROTO_ICMPV6.
210 #if !defined(IPPROTO_ICMPV6)
211 # define IPPROTO_ICMPV6 58
212 #endif
213 
214 #endif // defined(BOOST_ASIO_WINDOWS) || defined(__CYGWIN__)
215 
216 #endif // BOOST_ASIO_DETAIL_OLD_WIN_SDK_COMPAT_HPP
217