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/*
* Copyright (c) 2007 The Libav Project
*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVFORMAT_NETWORK_H
#define AVFORMAT_NETWORK_H
#include <errno.h>
#include <stdint.h>
#include "config.h"
#include "libavutil/error.h"
#include "os_support.h"
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#if HAVE_WINSOCK2_H
#include <winsock2.h>
#include <ws2tcpip.h>
#ifndef EPROTONOSUPPORT
#define EPROTONOSUPPORT WSAEPROTONOSUPPORT
#endif
#ifndef ETIMEDOUT
#define ETIMEDOUT WSAETIMEDOUT
#endif
#ifndef ECONNREFUSED
#define ECONNREFUSED WSAECONNREFUSED
#endif
#ifndef EINPROGRESS
#define EINPROGRESS WSAEINPROGRESS
#endif
#define getsockopt(a, b, c, d, e) getsockopt(a, b, c, (char*) d, e)
#define setsockopt(a, b, c, d, e) setsockopt(a, b, c, (const char*) d, e)
int ff_neterrno(void);
#else
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#define ff_neterrno() AVERROR(errno)
#endif
#if HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
#if HAVE_POLL_H
#include <poll.h>
#endif
int ff_socket_nonblock(int socket, int enable);
extern int ff_network_inited_globally;
int ff_network_init(void);
void ff_network_close(void);
void ff_tls_init(void);
void ff_tls_deinit(void);
int ff_network_wait_fd(int fd, int write);
int ff_inet_aton (const char * str, struct in_addr * add);
#if !HAVE_STRUCT_SOCKADDR_STORAGE
struct sockaddr_storage {
#if HAVE_STRUCT_SOCKADDR_SA_LEN
uint8_t ss_len;
uint8_t ss_family;
#else
uint16_t ss_family;
#endif
char ss_pad1[6];
int64_t ss_align;
char ss_pad2[112];
};
#endif
#if !HAVE_STRUCT_ADDRINFO
struct addrinfo {
int ai_flags;
int ai_family;
int ai_socktype;
int ai_protocol;
int ai_addrlen;
struct sockaddr *ai_addr;
char *ai_canonname;
struct addrinfo *ai_next;
};
#endif
/* getaddrinfo constants */
#ifndef EAI_AGAIN
#define EAI_AGAIN 2
#endif
#ifndef EAI_BADFLAGS
#define EAI_BADFLAGS 3
#endif
#ifndef EAI_FAIL
#define EAI_FAIL 4
#endif
#ifndef EAI_FAMILY
#define EAI_FAMILY 5
#endif
#ifndef EAI_MEMORY
#define EAI_MEMORY 6
#endif
#ifndef EAI_NODATA
#define EAI_NODATA 7
#endif
#ifndef EAI_NONAME
#define EAI_NONAME 8
#endif
#ifndef EAI_SERVICE
#define EAI_SERVICE 9
#endif
#ifndef EAI_SOCKTYPE
#define EAI_SOCKTYPE 10
#endif
#ifndef AI_PASSIVE
#define AI_PASSIVE 1
#endif
#ifndef AI_CANONNAME
#define AI_CANONNAME 2
#endif
#ifndef AI_NUMERICHOST
#define AI_NUMERICHOST 4
#endif
#ifndef NI_NOFQDN
#define NI_NOFQDN 1
#endif
#ifndef NI_NUMERICHOST
#define NI_NUMERICHOST 2
#endif
#ifndef NI_NAMERQD
#define NI_NAMERQD 4
#endif
#ifndef NI_NUMERICSERV
#define NI_NUMERICSERV 8
#endif
#ifndef NI_DGRAM
#define NI_DGRAM 16
#endif
#if !HAVE_GETADDRINFO
int ff_getaddrinfo(const char *node, const char *service,
const struct addrinfo *hints, struct addrinfo **res);
void ff_freeaddrinfo(struct addrinfo *res);
int ff_getnameinfo(const struct sockaddr *sa, int salen,
char *host, int hostlen,
char *serv, int servlen, int flags);
#define getaddrinfo ff_getaddrinfo
#define freeaddrinfo ff_freeaddrinfo
#define getnameinfo ff_getnameinfo
#endif
#if !HAVE_GETADDRINFO || HAVE_WINSOCK2_H
const char *ff_gai_strerror(int ecode);
#undef gai_strerror
#define gai_strerror ff_gai_strerror
#endif
#ifndef INET6_ADDRSTRLEN
#define INET6_ADDRSTRLEN INET_ADDRSTRLEN
#endif
#ifndef IN_MULTICAST
#define IN_MULTICAST(a) ((((uint32_t)(a)) & 0xf0000000) == 0xe0000000)
#endif
#ifndef IN6_IS_ADDR_MULTICAST
#define IN6_IS_ADDR_MULTICAST(a) (((uint8_t *) (a))[0] == 0xff)
#endif
int ff_is_multicast_address(struct sockaddr *addr);
#endif /* AVFORMAT_NETWORK_H */
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