yading@11: /*
yading@11:  * Copyright (c) 2007 The FFmpeg Project
yading@11:  *
yading@11:  * This file is part of FFmpeg.
yading@11:  *
yading@11:  * FFmpeg is free software; you can redistribute it and/or
yading@11:  * modify it under the terms of the GNU Lesser General Public
yading@11:  * License as published by the Free Software Foundation; either
yading@11:  * version 2.1 of the License, or (at your option) any later version.
yading@11:  *
yading@11:  * FFmpeg is distributed in the hope that it will be useful,
yading@11:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@11:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
yading@11:  * Lesser General Public License for more details.
yading@11:  *
yading@11:  * You should have received a copy of the GNU Lesser General Public
yading@11:  * License along with FFmpeg; if not, write to the Free Software
yading@11:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@11:  */
yading@11: 
yading@11: #ifndef AVFORMAT_NETWORK_H
yading@11: #define AVFORMAT_NETWORK_H
yading@11: 
yading@11: #include <errno.h>
yading@11: #include <stdint.h>
yading@11: 
yading@11: #include "config.h"
yading@11: #include "libavutil/error.h"
yading@11: #include "os_support.h"
yading@11: #include "avio.h"
yading@11: 
yading@11: #if HAVE_UNISTD_H
yading@11: #include <unistd.h>
yading@11: #endif
yading@11: 
yading@11: #if HAVE_WINSOCK2_H
yading@11: #include <winsock2.h>
yading@11: #include <ws2tcpip.h>
yading@11: 
yading@11: #ifndef EPROTONOSUPPORT
yading@11: #define EPROTONOSUPPORT WSAEPROTONOSUPPORT
yading@11: #endif
yading@11: #ifndef ETIMEDOUT
yading@11: #define ETIMEDOUT       WSAETIMEDOUT
yading@11: #endif
yading@11: #ifndef ECONNREFUSED
yading@11: #define ECONNREFUSED    WSAECONNREFUSED
yading@11: #endif
yading@11: #ifndef EINPROGRESS
yading@11: #define EINPROGRESS     WSAEINPROGRESS
yading@11: #endif
yading@11: 
yading@11: #define getsockopt(a, b, c, d, e) getsockopt(a, b, c, (char*) d, e)
yading@11: #define setsockopt(a, b, c, d, e) setsockopt(a, b, c, (const char*) d, e)
yading@11: 
yading@11: int ff_neterrno(void);
yading@11: #else
yading@11: #include <sys/types.h>
yading@11: #include <sys/socket.h>
yading@11: #include <netinet/in.h>
yading@11: #include <netdb.h>
yading@11: 
yading@11: #define ff_neterrno() AVERROR(errno)
yading@11: #endif
yading@11: 
yading@11: #if HAVE_ARPA_INET_H
yading@11: #include <arpa/inet.h>
yading@11: #endif
yading@11: 
yading@11: #if HAVE_POLL_H
yading@11: #include <poll.h>
yading@11: #endif
yading@11: 
yading@11: int ff_socket_nonblock(int socket, int enable);
yading@11: 
yading@11: extern int ff_network_inited_globally;
yading@11: int ff_network_init(void);
yading@11: void ff_network_close(void);
yading@11: 
yading@11: void ff_tls_init(void);
yading@11: void ff_tls_deinit(void);
yading@11: 
yading@11: int ff_network_wait_fd(int fd, int write);
yading@11: 
yading@11: /**
yading@11:  * This works similarly to ff_network_wait_fd, but waits up to 'timeout' microseconds
yading@11:  * Uses ff_network_wait_fd in a loop
yading@11:  *
yading@11:  * @fd Socket descriptor
yading@11:  * @write Set 1 to wait for socket able to be read, 0 to be written
yading@11:  * @timeout Timeout interval, in microseconds. Actual precision is 100000 mcs, due to ff_network_wait_fd usage
yading@11:  * @param int_cb Interrupt callback, is checked after each ff_network_wait_fd call
yading@11:  * @return 0 if data can be read/written, AVERROR(ETIMEDOUT) if timeout expired, or negative error code
yading@11:  */
yading@11: int ff_network_wait_fd_timeout(int fd, int write, int64_t timeout, AVIOInterruptCB *int_cb);
yading@11: 
yading@11: int ff_inet_aton (const char * str, struct in_addr * add);
yading@11: 
yading@11: #if !HAVE_STRUCT_SOCKADDR_STORAGE
yading@11: struct sockaddr_storage {
yading@11: #if HAVE_STRUCT_SOCKADDR_SA_LEN
yading@11:     uint8_t ss_len;
yading@11:     uint8_t ss_family;
yading@11: #else
yading@11:     uint16_t ss_family;
yading@11: #endif
yading@11:     char ss_pad1[6];
yading@11:     int64_t ss_align;
yading@11:     char ss_pad2[112];
yading@11: };
yading@11: #endif
yading@11: 
yading@11: #if !HAVE_STRUCT_ADDRINFO
yading@11: struct addrinfo {
yading@11:     int ai_flags;
yading@11:     int ai_family;
yading@11:     int ai_socktype;
yading@11:     int ai_protocol;
yading@11:     int ai_addrlen;
yading@11:     struct sockaddr *ai_addr;
yading@11:     char *ai_canonname;
yading@11:     struct addrinfo *ai_next;
yading@11: };
yading@11: #endif
yading@11: 
yading@11: /* getaddrinfo constants */
yading@11: #ifndef EAI_AGAIN
yading@11: #define EAI_AGAIN 2
yading@11: #endif
yading@11: #ifndef EAI_BADFLAGS
yading@11: #define EAI_BADFLAGS 3
yading@11: #endif
yading@11: #ifndef EAI_FAIL
yading@11: #define EAI_FAIL 4
yading@11: #endif
yading@11: #ifndef EAI_FAMILY
yading@11: #define EAI_FAMILY 5
yading@11: #endif
yading@11: #ifndef EAI_MEMORY
yading@11: #define EAI_MEMORY 6
yading@11: #endif
yading@11: #ifndef EAI_NODATA
yading@11: #define EAI_NODATA 7
yading@11: #endif
yading@11: #ifndef EAI_NONAME
yading@11: #define EAI_NONAME 8
yading@11: #endif
yading@11: #ifndef EAI_SERVICE
yading@11: #define EAI_SERVICE 9
yading@11: #endif
yading@11: #ifndef EAI_SOCKTYPE
yading@11: #define EAI_SOCKTYPE 10
yading@11: #endif
yading@11: 
yading@11: #ifndef AI_PASSIVE
yading@11: #define AI_PASSIVE 1
yading@11: #endif
yading@11: 
yading@11: #ifndef AI_CANONNAME
yading@11: #define AI_CANONNAME 2
yading@11: #endif
yading@11: 
yading@11: #ifndef AI_NUMERICHOST
yading@11: #define AI_NUMERICHOST 4
yading@11: #endif
yading@11: 
yading@11: #ifndef NI_NOFQDN
yading@11: #define NI_NOFQDN 1
yading@11: #endif
yading@11: 
yading@11: #ifndef NI_NUMERICHOST
yading@11: #define NI_NUMERICHOST 2
yading@11: #endif
yading@11: 
yading@11: #ifndef NI_NAMERQD
yading@11: #define NI_NAMERQD 4
yading@11: #endif
yading@11: 
yading@11: #ifndef NI_NUMERICSERV
yading@11: #define NI_NUMERICSERV 8
yading@11: #endif
yading@11: 
yading@11: #ifndef NI_DGRAM
yading@11: #define NI_DGRAM 16
yading@11: #endif
yading@11: 
yading@11: #if !HAVE_GETADDRINFO
yading@11: int ff_getaddrinfo(const char *node, const char *service,
yading@11:                    const struct addrinfo *hints, struct addrinfo **res);
yading@11: void ff_freeaddrinfo(struct addrinfo *res);
yading@11: int ff_getnameinfo(const struct sockaddr *sa, int salen,
yading@11:                    char *host, int hostlen,
yading@11:                    char *serv, int servlen, int flags);
yading@11: #define getaddrinfo ff_getaddrinfo
yading@11: #define freeaddrinfo ff_freeaddrinfo
yading@11: #define getnameinfo ff_getnameinfo
yading@11: #endif
yading@11: #if !HAVE_GETADDRINFO || HAVE_WINSOCK2_H
yading@11: const char *ff_gai_strerror(int ecode);
yading@11: #undef gai_strerror
yading@11: #define gai_strerror ff_gai_strerror
yading@11: #endif
yading@11: 
yading@11: #ifndef INADDR_LOOPBACK
yading@11: #define INADDR_LOOPBACK 0x7f000001
yading@11: #endif
yading@11: 
yading@11: #ifndef INET_ADDRSTRLEN
yading@11: #define INET_ADDRSTRLEN 16
yading@11: #endif
yading@11: 
yading@11: #ifndef INET6_ADDRSTRLEN
yading@11: #define INET6_ADDRSTRLEN INET_ADDRSTRLEN
yading@11: #endif
yading@11: 
yading@11: #ifndef IN_MULTICAST
yading@11: #define IN_MULTICAST(a) ((((uint32_t)(a)) & 0xf0000000) == 0xe0000000)
yading@11: #endif
yading@11: #ifndef IN6_IS_ADDR_MULTICAST
yading@11: #define IN6_IS_ADDR_MULTICAST(a) (((uint8_t *) (a))[0] == 0xff)
yading@11: #endif
yading@11: 
yading@11: int ff_is_multicast_address(struct sockaddr *addr);
yading@11: 
yading@11: #endif /* AVFORMAT_NETWORK_H */