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280 lines
7.0 KiB
280 lines
7.0 KiB
/* |
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* Copyright (c) 2007 The FFmpeg Project |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#ifndef AVFORMAT_NETWORK_H |
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#define AVFORMAT_NETWORK_H |
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#include <errno.h> |
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#include <stdint.h> |
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#include "config.h" |
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#include "libavutil/error.h" |
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#include "os_support.h" |
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#include "avio.h" |
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#include "url.h" |
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#if HAVE_UNISTD_H |
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#include <unistd.h> |
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#endif |
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#if HAVE_WINSOCK2_H |
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#include <winsock2.h> |
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#include <ws2tcpip.h> |
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#ifndef EPROTONOSUPPORT |
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#define EPROTONOSUPPORT WSAEPROTONOSUPPORT |
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#endif |
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#ifndef ETIMEDOUT |
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#define ETIMEDOUT WSAETIMEDOUT |
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#endif |
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#ifndef ECONNREFUSED |
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#define ECONNREFUSED WSAECONNREFUSED |
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#endif |
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#ifndef EINPROGRESS |
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#define EINPROGRESS WSAEINPROGRESS |
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#endif |
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#define getsockopt(a, b, c, d, e) getsockopt(a, b, c, (char*) d, e) |
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#define setsockopt(a, b, c, d, e) setsockopt(a, b, c, (const char*) d, e) |
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int ff_neterrno(void); |
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#else |
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#include <sys/types.h> |
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#include <sys/socket.h> |
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#include <netinet/in.h> |
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#include <netdb.h> |
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#define ff_neterrno() AVERROR(errno) |
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#endif /* HAVE_WINSOCK2_H */ |
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#if HAVE_ARPA_INET_H |
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#include <arpa/inet.h> |
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#endif |
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#if HAVE_POLL_H |
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#include <poll.h> |
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#endif |
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int ff_socket_nonblock(int socket, int enable); |
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extern int ff_network_inited_globally; |
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int ff_network_init(void); |
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void ff_network_close(void); |
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void ff_tls_init(void); |
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void ff_tls_deinit(void); |
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int ff_network_wait_fd(int fd, int write); |
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/** |
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* This works similarly to ff_network_wait_fd, but waits up to 'timeout' microseconds |
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* Uses ff_network_wait_fd in a loop |
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* |
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* @fd Socket descriptor |
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* @write Set 1 to wait for socket able to be read, 0 to be written |
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* @timeout Timeout interval, in microseconds. Actual precision is 100000 mcs, due to ff_network_wait_fd usage |
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* @param int_cb Interrupt callback, is checked before each ff_network_wait_fd call |
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* @return 0 if data can be read/written, AVERROR(ETIMEDOUT) if timeout expired, or negative error code |
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*/ |
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int ff_network_wait_fd_timeout(int fd, int write, int64_t timeout, AVIOInterruptCB *int_cb); |
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int ff_inet_aton (const char * str, struct in_addr * add); |
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#if !HAVE_STRUCT_SOCKADDR_STORAGE |
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struct sockaddr_storage { |
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#if HAVE_STRUCT_SOCKADDR_SA_LEN |
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uint8_t ss_len; |
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uint8_t ss_family; |
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#else |
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uint16_t ss_family; |
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#endif /* HAVE_STRUCT_SOCKADDR_SA_LEN */ |
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char ss_pad1[6]; |
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int64_t ss_align; |
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char ss_pad2[112]; |
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}; |
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#endif /* !HAVE_STRUCT_SOCKADDR_STORAGE */ |
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typedef union sockaddr_union { |
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struct sockaddr_storage storage; |
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struct sockaddr_in in; |
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#if HAVE_STRUCT_SOCKADDR_IN6 |
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struct sockaddr_in6 in6; |
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#endif |
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} sockaddr_union; |
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#ifndef MSG_NOSIGNAL |
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#define MSG_NOSIGNAL 0 |
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#endif |
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#if !HAVE_STRUCT_ADDRINFO |
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struct addrinfo { |
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int ai_flags; |
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int ai_family; |
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int ai_socktype; |
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int ai_protocol; |
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int ai_addrlen; |
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struct sockaddr *ai_addr; |
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char *ai_canonname; |
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struct addrinfo *ai_next; |
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}; |
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#endif /* !HAVE_STRUCT_ADDRINFO */ |
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/* getaddrinfo constants */ |
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#ifndef EAI_AGAIN |
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#define EAI_AGAIN 2 |
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#endif |
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#ifndef EAI_BADFLAGS |
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#define EAI_BADFLAGS 3 |
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#endif |
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#ifndef EAI_FAIL |
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#define EAI_FAIL 4 |
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#endif |
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#ifndef EAI_FAMILY |
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#define EAI_FAMILY 5 |
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#endif |
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#ifndef EAI_MEMORY |
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#define EAI_MEMORY 6 |
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#endif |
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#ifndef EAI_NODATA |
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#define EAI_NODATA 7 |
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#endif |
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#ifndef EAI_NONAME |
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#define EAI_NONAME 8 |
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#endif |
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#ifndef EAI_SERVICE |
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#define EAI_SERVICE 9 |
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#endif |
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#ifndef EAI_SOCKTYPE |
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#define EAI_SOCKTYPE 10 |
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#endif |
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#ifndef AI_PASSIVE |
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#define AI_PASSIVE 1 |
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#endif |
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#ifndef AI_CANONNAME |
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#define AI_CANONNAME 2 |
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#endif |
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#ifndef AI_NUMERICHOST |
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#define AI_NUMERICHOST 4 |
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#endif |
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#ifndef NI_NOFQDN |
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#define NI_NOFQDN 1 |
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#endif |
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#ifndef NI_NUMERICHOST |
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#define NI_NUMERICHOST 2 |
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#endif |
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#ifndef NI_NAMERQD |
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#define NI_NAMERQD 4 |
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#endif |
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#ifndef NI_NUMERICSERV |
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#define NI_NUMERICSERV 8 |
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#endif |
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#ifndef NI_DGRAM |
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#define NI_DGRAM 16 |
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#endif |
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#if !HAVE_GETADDRINFO |
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int ff_getaddrinfo(const char *node, const char *service, |
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const struct addrinfo *hints, struct addrinfo **res); |
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void ff_freeaddrinfo(struct addrinfo *res); |
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int ff_getnameinfo(const struct sockaddr *sa, int salen, |
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char *host, int hostlen, |
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char *serv, int servlen, int flags); |
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#define getaddrinfo ff_getaddrinfo |
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#define freeaddrinfo ff_freeaddrinfo |
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#define getnameinfo ff_getnameinfo |
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#endif /* !HAVE_GETADDRINFO */ |
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#if !HAVE_GETADDRINFO || HAVE_WINSOCK2_H |
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const char *ff_gai_strerror(int ecode); |
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#undef gai_strerror |
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#define gai_strerror ff_gai_strerror |
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#endif /* !HAVE_GETADDRINFO || HAVE_WINSOCK2_H */ |
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#ifndef INADDR_LOOPBACK |
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#define INADDR_LOOPBACK 0x7f000001 |
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#endif |
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#ifndef INET_ADDRSTRLEN |
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#define INET_ADDRSTRLEN 16 |
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#endif |
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#ifndef INET6_ADDRSTRLEN |
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#define INET6_ADDRSTRLEN INET_ADDRSTRLEN |
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#endif |
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#ifndef IN_MULTICAST |
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#define IN_MULTICAST(a) ((((uint32_t)(a)) & 0xf0000000) == 0xe0000000) |
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#endif |
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#ifndef IN6_IS_ADDR_MULTICAST |
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#define IN6_IS_ADDR_MULTICAST(a) (((uint8_t *) (a))[0] == 0xff) |
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#endif |
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int ff_is_multicast_address(struct sockaddr *addr); |
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#define POLLING_TIME 100 /// Time in milliseconds between interrupt check |
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/** |
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* Bind to a file descriptor and poll for a connection. |
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* |
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* @param fd First argument of bind(). |
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* @param addr Second argument of bind(). |
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* @param addrlen Third argument of bind(). |
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* @param timeout Polling timeout in milliseconds. |
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* @param h URLContext providing interrupt check |
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* callback and logging context. |
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* @return A non-blocking file descriptor on success |
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* or an AVERROR on failure. |
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*/ |
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int ff_listen_bind(int fd, const struct sockaddr *addr, |
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socklen_t addrlen, int timeout, |
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URLContext *h); |
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/** |
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* Connect to a file descriptor and poll for result. |
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* |
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* @param fd First argument of connect(), |
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* will be set as non-blocking. |
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* @param addr Second argument of connect(). |
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* @param addrlen Third argument of connect(). |
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* @param timeout Polling timeout in milliseconds. |
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* @param h URLContext providing interrupt check |
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* callback and logging context. |
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* @param will_try_next Whether the caller will try to connect to another |
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* address for the same host name, affecting the form of |
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* logged errors. |
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* @return 0 on success, AVERROR on failure. |
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*/ |
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int ff_listen_connect(int fd, const struct sockaddr *addr, |
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socklen_t addrlen, int timeout, |
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URLContext *h, int will_try_next); |
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int ff_http_match_no_proxy(const char *no_proxy, const char *hostname); |
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int ff_socket(int domain, int type, int protocol); |
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#endif /* AVFORMAT_NETWORK_H */
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