mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
341 lines
9.9 KiB
341 lines
9.9 KiB
/* |
|
* Copyright (c) 2007 The FFmpeg Project |
|
* |
|
* This file is part of FFmpeg. |
|
* |
|
* FFmpeg 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. |
|
* |
|
* FFmpeg 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 FFmpeg; 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" |
|
#include "avio.h" |
|
#include "url.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 |
|
#ifndef ENOTCONN |
|
#define ENOTCONN WSAENOTCONN |
|
#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 <netinet/tcp.h> |
|
#include <netdb.h> |
|
|
|
#define ff_neterrno() AVERROR(errno) |
|
#endif /* HAVE_WINSOCK2_H */ |
|
|
|
#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); |
|
|
|
int ff_network_init(void); |
|
void ff_network_close(void); |
|
|
|
int ff_tls_init(void); |
|
void ff_tls_deinit(void); |
|
|
|
int ff_network_wait_fd(int fd, int write); |
|
|
|
/** |
|
* This works similarly to ff_network_wait_fd, but waits up to 'timeout' microseconds |
|
* Uses ff_network_wait_fd in a loop |
|
* |
|
* @param fd Socket descriptor |
|
* @param write Set 1 to wait for socket able to be read, 0 to be written |
|
* @param timeout Timeout interval, in microseconds. Actual precision is 100000 mcs, due to ff_network_wait_fd usage |
|
* @param int_cb Interrupt callback, is checked before each ff_network_wait_fd call |
|
* @return 0 if data can be read/written, AVERROR(ETIMEDOUT) if timeout expired, or negative error code |
|
*/ |
|
int ff_network_wait_fd_timeout(int fd, int write, int64_t timeout, AVIOInterruptCB *int_cb); |
|
|
|
/** |
|
* Waits for up to 'timeout' microseconds. If the usert's int_cb is set and |
|
* triggered, return before that. |
|
* @param timeout Timeout in microseconds. Maybe have lower actual precision. |
|
* @param int_cb Interrupt callback, is checked regularly. |
|
* @return AVERROR(ETIMEDOUT) if timeout expirted, AVERROR_EXIT if interrupted by int_cb |
|
*/ |
|
int ff_network_sleep_interruptible(int64_t timeout, AVIOInterruptCB *int_cb); |
|
|
|
#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 /* HAVE_STRUCT_SOCKADDR_SA_LEN */ |
|
char ss_pad1[6]; |
|
int64_t ss_align; |
|
char ss_pad2[112]; |
|
}; |
|
#endif /* !HAVE_STRUCT_SOCKADDR_STORAGE */ |
|
|
|
typedef union sockaddr_union { |
|
struct sockaddr_storage storage; |
|
struct sockaddr_in in; |
|
#if HAVE_STRUCT_SOCKADDR_IN6 |
|
struct sockaddr_in6 in6; |
|
#endif |
|
} sockaddr_union; |
|
|
|
#ifndef MSG_NOSIGNAL |
|
#define MSG_NOSIGNAL 0 |
|
#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 /* !HAVE_STRUCT_ADDRINFO */ |
|
|
|
/* 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 /* !HAVE_GETADDRINFO */ |
|
|
|
#if !HAVE_GETADDRINFO || HAVE_WINSOCK2_H |
|
const char *ff_gai_strerror(int ecode); |
|
#undef gai_strerror |
|
#define gai_strerror ff_gai_strerror |
|
#endif /* !HAVE_GETADDRINFO || HAVE_WINSOCK2_H */ |
|
|
|
#ifndef INADDR_LOOPBACK |
|
#define INADDR_LOOPBACK 0x7f000001 |
|
#endif |
|
|
|
#ifndef INET_ADDRSTRLEN |
|
#define INET_ADDRSTRLEN 16 |
|
#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); |
|
|
|
#define POLLING_TIME 100 /// Time in milliseconds between interrupt check |
|
|
|
/** |
|
* Bind to a file descriptor and poll for a connection. |
|
* |
|
* @param fd First argument of bind(). |
|
* @param addr Second argument of bind(). |
|
* @param addrlen Third argument of bind(). |
|
* @param timeout Polling timeout in milliseconds. |
|
* @param h URLContext providing interrupt check |
|
* callback and logging context. |
|
* @return A non-blocking file descriptor on success |
|
* or an AVERROR on failure. |
|
*/ |
|
int ff_listen_bind(int fd, const struct sockaddr *addr, |
|
socklen_t addrlen, int timeout, |
|
URLContext *h); |
|
|
|
/** |
|
* Bind to a file descriptor to an address without accepting connections. |
|
* @param fd First argument of bind(). |
|
* @param addr Second argument of bind(). |
|
* @param addrlen Third argument of bind(). |
|
* @return 0 on success or an AVERROR on failure. |
|
*/ |
|
int ff_listen(int fd, const struct sockaddr *addr, socklen_t addrlen, |
|
void *logctx); |
|
|
|
/** |
|
* Poll for a single connection on the passed file descriptor. |
|
* @param fd The listening socket file descriptor. |
|
* @param timeout Polling timeout in milliseconds. |
|
* @param h URLContext providing interrupt check |
|
* callback and logging context. |
|
* @return A non-blocking file descriptor on success |
|
* or an AVERROR on failure. |
|
*/ |
|
int ff_accept(int fd, int timeout, URLContext *h); |
|
|
|
/** |
|
* Connect to a file descriptor and poll for result. |
|
* |
|
* @param fd First argument of connect(), |
|
* will be set as non-blocking. |
|
* @param addr Second argument of connect(). |
|
* @param addrlen Third argument of connect(). |
|
* @param timeout Polling timeout in milliseconds. |
|
* @param h URLContext providing interrupt check |
|
* callback and logging context. |
|
* @param will_try_next Whether the caller will try to connect to another |
|
* address for the same host name, affecting the form of |
|
* logged errors. |
|
* @return 0 on success, AVERROR on failure. |
|
*/ |
|
int ff_listen_connect(int fd, const struct sockaddr *addr, |
|
socklen_t addrlen, int timeout, |
|
URLContext *h, int will_try_next); |
|
|
|
int ff_http_match_no_proxy(const char *no_proxy, const char *hostname); |
|
|
|
int ff_socket(int domain, int type, int protocol, void *logctx); |
|
|
|
void ff_log_net_error(void *ctx, int level, const char* prefix); |
|
|
|
/** |
|
* Connect to any of the given addrinfo addresses, with multiple attempts |
|
* running in parallel. |
|
* |
|
* @param addrs The list of addresses to try to connect to. |
|
* This list will be mutated internally, but the list head |
|
* will remain as such, so this doesn't affect the caller |
|
* freeing the list afterwards. |
|
* @param timeout_ms_per_address The number of milliseconds to wait for each |
|
* connection attempt. Since multiple addresses are tried, |
|
* some of them in parallel, the total run time will at most |
|
* be timeout_ms_per_address*ceil(nb_addrs/parallel) + |
|
* (parallel - 1) * NEXT_ATTEMPT_DELAY_MS. |
|
* @param parallel The maximum number of connections to attempt in parallel. |
|
* This is limited to an internal maximum capacity. |
|
* @param h URLContext providing interrupt check |
|
* callback and logging context. |
|
* @param fd If successful, the connected socket is returned here. |
|
* @param customize_fd Function that will be called for each socket created, |
|
* to allow the caller to set socket options before calling |
|
* connect() on it, may be NULL. |
|
* @param customize_ctx Context parameter passed to customize_fd. |
|
* @return 0 on success, AVERROR on failure. |
|
*/ |
|
int ff_connect_parallel(struct addrinfo *addrs, int timeout_ms_per_address, |
|
int parallel, URLContext *h, int *fd, |
|
int (*customize_fd)(void *, int, int), void *customize_ctx); |
|
|
|
#endif /* AVFORMAT_NETWORK_H */
|
|
|