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tcp: accept params through avio_open2() options

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Andrey Utkin
2012-09-13 03:43:31 +03:00
committed by Michael Niedermayer
parent 949acefc11
commit 2e009c6042
1 changed files with 30 additions and 8 deletions
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38
libavformat/tcp.c
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@@ -20,6 +20,7 @@
*/
#include "avformat.h"
#include "libavutil/parseutils.h"
#include "libavutil/opt.h"
#include "internal.h"
#include "network.h"
#include "os_support.h"
@@ -29,21 +30,40 @@
#endif
typedef struct TCPContext {
const AVClass *class;
int fd;
int listen;
int rw_timeout;
int listen_timeout;
} TCPContext;
#define OFFSET(x) offsetof(TCPContext, x)
#define D AV_OPT_FLAG_DECODING_PARAM
#define E AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options[] = {
{"listen", "listen on port instead of connecting", OFFSET(listen), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, D|E },
{"timeout", "timeout of socket i/o operations", OFFSET(rw_timeout), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, D|E },
{"listen_timeout", "connection awaiting timeout", OFFSET(listen_timeout), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, D|E },
{NULL}
};
static const AVClass tcp_context_class = {
.class_name = "tcp",
.item_name = av_default_item_name,
.option = options,
.version = LIBAVUTIL_VERSION_INT,
};
/* return non zero if error */
static int tcp_open(URLContext *h, const char *uri, int flags)
{
struct addrinfo hints = { 0 }, *ai, *cur_ai;
int port, fd = -1;
TCPContext *s = h->priv_data;
int listen_socket = 0;
const char *p;
char buf[256];
int ret;
socklen_t optlen;
int listen_timeout = -1;
char hostname[1024],proto[1024],path[1024];
char portstr[10];
h->rw_timeout = 5000000;
@@ -59,18 +79,19 @@ static int tcp_open(URLContext *h, const char *uri, int flags)
p = strchr(uri, '?');
if (p) {
if (av_find_info_tag(buf, sizeof(buf), "listen", p))
listen_socket = 1;
s->listen = 1;
if (av_find_info_tag(buf, sizeof(buf), "timeout", p)) {
h->rw_timeout = strtol(buf, NULL, 10);
s->rw_timeout = strtol(buf, NULL, 10);
}
if (av_find_info_tag(buf, sizeof(buf), "listen_timeout", p)) {
listen_timeout = strtol(buf, NULL, 10);
s->listen_timeout = strtol(buf, NULL, 10);
}
}
h->rw_timeout = s->rw_timeout;
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
snprintf(portstr, sizeof(portstr), "%d", port);
if (listen_socket)
if (s->listen)
hints.ai_flags |= AI_PASSIVE;
if (!hostname[0])
ret = getaddrinfo(NULL, portstr, &hints, &ai);
@@ -91,7 +112,7 @@ static int tcp_open(URLContext *h, const char *uri, int flags)
if (fd < 0)
goto fail;
if (listen_socket) {
if (s->listen) {
int fd1;
int reuse = 1;
struct pollfd lp = { fd, POLLIN, 0 };
@@ -106,7 +127,7 @@ static int tcp_open(URLContext *h, const char *uri, int flags)
ret = ff_neterrno();
goto fail1;
}
ret = poll(&lp, 1, listen_timeout >= 0 ? listen_timeout : -1);
ret = poll(&lp, 1, s->listen_timeout >= 0 ? s->listen_timeout : -1);
if (ret <= 0) {
ret = AVERROR(ETIMEDOUT);
goto fail1;
@@ -255,5 +276,6 @@ URLProtocol ff_tcp_protocol = {
.url_get_file_handle = tcp_get_file_handle,
.url_shutdown = tcp_shutdown,
.priv_data_size = sizeof(TCPContext),
.priv_data_class = &tcp_context_class,
.flags = URL_PROTOCOL_FLAG_NETWORK,
};