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
28 #include "libavutil/error.h"
29 #include "os_support.h"
40 #ifndef EPROTONOSUPPORT
41 #define EPROTONOSUPPORT WSAEPROTONOSUPPORT
44 #define ETIMEDOUT WSAETIMEDOUT
47 #define ECONNREFUSED WSAECONNREFUSED
50 #define EINPROGRESS WSAEINPROGRESS
53 #define getsockopt(a, b, c, d, e) getsockopt(a, b, c, (char*) d, e)
54 #define setsockopt(a, b, c, d, e) setsockopt(a, b, c, (const char*) d, e)
56 int ff_neterrno(void);
58 #include <sys/types.h>
59 #include <sys/socket.h>
60 #include <netinet/in.h>
63 #define ff_neterrno() AVERROR(errno)
67 #include <arpa/inet.h>
74 int ff_socket_nonblock(int socket, int enable);
76 extern int ff_network_inited_globally;
77 int ff_network_init(void);
78 void ff_network_close(void);
80 void ff_tls_init(void);
81 void ff_tls_deinit(void);
83 int ff_network_wait_fd(int fd, int write);
86 * This works similarly to ff_network_wait_fd, but waits up to 'timeout' microseconds
87 * Uses ff_network_wait_fd in a loop
89 * @fd Socket descriptor
90 * @write Set 1 to wait for socket able to be read, 0 to be written
91 * @timeout Timeout interval, in microseconds. Actual precision is 100000 mcs, due to ff_network_wait_fd usage
92 * @param int_cb Interrupt callback, is checked after each ff_network_wait_fd call
93 * @return 0 if data can be read/written, AVERROR(ETIMEDOUT) if timeout expired, or negative error code
95 int ff_network_wait_fd_timeout(int fd, int write, int64_t timeout, AVIOInterruptCB *int_cb);
97 int ff_inet_aton (const char * str, struct in_addr * add);
99 #if !HAVE_STRUCT_SOCKADDR_STORAGE
100 struct sockaddr_storage {
101 #if HAVE_STRUCT_SOCKADDR_SA_LEN
113 #if !HAVE_STRUCT_ADDRINFO
120 struct sockaddr *ai_addr;
122 struct addrinfo *ai_next;
126 /* getaddrinfo constants */
131 #define EAI_BADFLAGS 3
149 #define EAI_SERVICE 9
152 #define EAI_SOCKTYPE 10
160 #define AI_CANONNAME 2
163 #ifndef AI_NUMERICHOST
164 #define AI_NUMERICHOST 4
171 #ifndef NI_NUMERICHOST
172 #define NI_NUMERICHOST 2
179 #ifndef NI_NUMERICSERV
180 #define NI_NUMERICSERV 8
187 #if !HAVE_GETADDRINFO
188 int ff_getaddrinfo(const char *node, const char *service,
189 const struct addrinfo *hints, struct addrinfo **res);
190 void ff_freeaddrinfo(struct addrinfo *res);
191 int ff_getnameinfo(const struct sockaddr *sa, int salen,
192 char *host, int hostlen,
193 char *serv, int servlen, int flags);
194 #define getaddrinfo ff_getaddrinfo
195 #define freeaddrinfo ff_freeaddrinfo
196 #define getnameinfo ff_getnameinfo
198 #if !HAVE_GETADDRINFO || HAVE_WINSOCK2_H
199 const char *ff_gai_strerror(int ecode);
201 #define gai_strerror ff_gai_strerror
204 #ifndef INADDR_LOOPBACK
205 #define INADDR_LOOPBACK 0x7f000001
208 #ifndef INET_ADDRSTRLEN
209 #define INET_ADDRSTRLEN 16
212 #ifndef INET6_ADDRSTRLEN
213 #define INET6_ADDRSTRLEN INET_ADDRSTRLEN
217 #define IN_MULTICAST(a) ((((uint32_t)(a)) & 0xf0000000) == 0xe0000000)
219 #ifndef IN6_IS_ADDR_MULTICAST
220 #define IN6_IS_ADDR_MULTICAST(a) (((uint8_t *) (a))[0] == 0xff)
223 int ff_is_multicast_address(struct sockaddr *addr);
225 #endif /* AVFORMAT_NETWORK_H */