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lavf/http: add proof-of-concept http server.

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Signed-off-by: Stephan Holljes <klaxa1337@googlemail.com>
Reviewed-By: Nicolas George <george@nsup.org>
This commit is contained in:
Stephan Holljes 2015-04-02 22:49:07 +02:00 committed by Nicolas George
parent 0224b35c89
commit 4a58d757de
2 changed files with 33 additions and 0 deletions
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3
doc/protocols.texi
View File

@ -277,6 +277,9 @@ Set initial byte offset.
@item end_offset @item end_offset
Try to limit the request to bytes preceding this offset. Try to limit the request to bytes preceding this offset.
@item listen
If set to 1 enables experimental HTTP server.
@end table @end table
@subsection HTTP Cookies @subsection HTTP Cookies

30
libavformat/http.c
View File

@ -96,6 +96,7 @@ typedef struct HTTPContext {
int send_expect_100; int send_expect_100;
char *method; char *method;
int reconnect; int reconnect;
int listen;
} HTTPContext; } HTTPContext;
#define OFFSET(x) offsetof(HTTPContext, x) #define OFFSET(x) offsetof(HTTPContext, x)
@ -127,6 +128,7 @@ static const AVOption options[] = {
{ "end_offset", "try to limit the request to bytes preceding this offset", OFFSET(end_off), AV_OPT_TYPE_INT64, { .i64 = 0 }, 0, INT64_MAX, D }, { "end_offset", "try to limit the request to bytes preceding this offset", OFFSET(end_off), AV_OPT_TYPE_INT64, { .i64 = 0 }, 0, INT64_MAX, D },
{ "method", "Override the HTTP method", OFFSET(method), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, E }, { "method", "Override the HTTP method", OFFSET(method), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, E },
{ "reconnect", "auto reconnect after disconnect before EOF", OFFSET(reconnect), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, D }, { "reconnect", "auto reconnect after disconnect before EOF", OFFSET(reconnect), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, D },
{ "listen", "listen on HTTP", OFFSET(listen), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, E },
{ NULL } { NULL }
}; };
@ -296,6 +298,31 @@ int ff_http_averror(int status_code, int default_averror)
return default_averror; return default_averror;
} }
static int http_listen(URLContext *h, const char *uri, int flags,
AVDictionary **options) {
HTTPContext *s = h->priv_data;
int ret;
static const char header[] = "HTTP/1.1 200 OK\r\nContent-Type: application/octet-stream\r\nTransfer-Encoding: chunked\r\n\r\n";
char hostname[1024];
char lower_url[100];
int port;
av_url_split(NULL, 0, NULL, 0, hostname, sizeof(hostname), &port,
NULL, 0, uri);
ff_url_join(lower_url, sizeof(lower_url), "tcp", NULL, hostname, port,
NULL);
av_dict_set(options, "listen", "1", 0);
if (ret = ffurl_open(&s->hd, lower_url, AVIO_FLAG_READ_WRITE,
&h->interrupt_callback, options) < 0)
goto fail;
if (ret = ffurl_write(s->hd, header, strlen(header)) < 0)
goto fail;
return 0;
fail:
av_dict_free(&s->chained_options);
return ret;
}
static int http_open(URLContext *h, const char *uri, int flags, static int http_open(URLContext *h, const char *uri, int flags,
AVDictionary **options) AVDictionary **options)
{ {
@ -321,6 +348,9 @@ static int http_open(URLContext *h, const char *uri, int flags,
"No trailing CRLF found in HTTP header.\n"); "No trailing CRLF found in HTTP header.\n");
} }
if (s->listen) {
return http_listen(h, uri, flags, options);
}
ret = http_open_cnx(h, options); ret = http_open_cnx(h, options);
if (ret < 0) if (ret < 0)
av_dict_free(&s->chained_options); av_dict_free(&s->chained_options);