2 * Copyright (c) 2007 The FFmpeg Project
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 #ifndef AVFORMAT_NETWORK_H
22 #define AVFORMAT_NETWORK_H
30 #define ff_neterrno() (-WSAGetLastError())
31 #define FF_NETERROR(err) (-WSA##err)
32 #define WSAEAGAIN WSAEWOULDBLOCK
34 #include <sys/types.h>
35 #include <sys/socket.h>
36 #include <netinet/in.h>
39 #define ff_neterrno() AVERROR(errno)
40 #define FF_NETERROR(err) AVERROR(err)
44 #include <arpa/inet.h>
47 int ff_socket_nonblock(int socket, int enable);
49 static inline int ff_network_init(void)
53 if (WSAStartup(MAKEWORD(1,1), &wsaData))
59 static inline void ff_network_close(void)
66 int ff_inet_aton (const char * str, struct in_addr * add);
68 #if !HAVE_STRUCT_SOCKADDR_STORAGE
69 struct sockaddr_storage {
70 #if HAVE_STRUCT_SOCKADDR_SA_LEN
82 #if !HAVE_STRUCT_ADDRINFO
89 struct sockaddr *ai_addr;
91 struct addrinfo *ai_next;
95 /* getaddrinfo constants */
113 #define AI_CANONNAME 2
116 #ifndef AI_NUMERICHOST
117 #define AI_NUMERICHOST 4
124 #ifndef NI_NUMERICHOST
125 #define NI_NUMERICHOST 2
132 #ifndef NI_NUMERICSERV
133 #define NI_NUMERICSERV 8
140 #if !HAVE_GETADDRINFO
141 int ff_getaddrinfo(const char *node, const char *service,
142 const struct addrinfo *hints, struct addrinfo **res);
143 void ff_freeaddrinfo(struct addrinfo *res);
144 int ff_getnameinfo(const struct sockaddr *sa, int salen,
145 char *host, int hostlen,
146 char *serv, int servlen, int flags);
147 const char *ff_gai_strerror(int ecode);
148 #define getaddrinfo ff_getaddrinfo
149 #define freeaddrinfo ff_freeaddrinfo
150 #define getnameinfo ff_getnameinfo
151 #define gai_strerror ff_gai_strerror
154 #ifndef INET6_ADDRSTRLEN
155 #define INET6_ADDRSTRLEN INET_ADDRSTRLEN
159 #define IN_MULTICAST(a) ((((uint32_t)(a)) & 0xf0000000) == 0xe0000000)
161 #ifndef IN6_IS_ADDR_MULTICAST
162 #define IN6_IS_ADDR_MULTICAST(a) (((uint8_t *) (a))[0] == 0xff)
165 static inline int ff_is_multicast_address(struct sockaddr *addr)
167 if (addr->sa_family == AF_INET) {
168 return IN_MULTICAST(ntohl(((struct sockaddr_in *)addr)->sin_addr.s_addr));
170 #if HAVE_STRUCT_SOCKADDR_IN6
171 if (addr->sa_family == AF_INET6) {
172 return IN6_IS_ADDR_MULTICAST(&((struct sockaddr_in6 *)addr)->sin6_addr);
179 #endif /* AVFORMAT_NETWORK_H */