gstreamer/gst/udp/gstudpnetutils.c
2012-11-04 00:07:18 +00:00

108 lines
2.9 KiB
C

/* GStreamer UDP network utility functions
* Copyright (C) 2006 Tim-Philipp Müller <tim centricular net>
* Copyright (C) 2006 Joni Valtanen <joni.valtanen@movial.fi>
* Copyright (C) 2009 Jarkko Palviainen <jarkko.palviainen@sesca.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include <string.h>
#include "gstudpnetutils.h"
gboolean
gst_udp_parse_uri (const gchar * uristr, gchar ** host, guint16 * port)
{
gchar *protocol, *location_start;
gchar *location, *location_end;
gchar *colptr;
/* consider no protocol to be udp:// */
protocol = gst_uri_get_protocol (uristr);
if (!protocol)
goto no_protocol;
if (strcmp (protocol, "udp") != 0)
goto wrong_protocol;
g_free (protocol);
location_start = gst_uri_get_location (uristr);
if (!location_start)
return FALSE;
GST_DEBUG ("got location '%s'", location_start);
/* VLC compatibility, strip everything before the @ sign. VLC uses that as the
* remote address. */
location = g_strstr_len (location_start, -1, "@");
if (location == NULL)
location = location_start;
else
location += 1;
if (location[0] == '[') {
GST_DEBUG ("parse IPV6 address '%s'", location);
location_end = strchr (location, ']');
if (location_end == NULL)
goto wrong_address;
*host = g_strndup (location + 1, location_end - location - 1);
colptr = strrchr (location_end, ':');
} else {
GST_DEBUG ("parse IPV4 address '%s'", location);
colptr = strrchr (location, ':');
if (colptr != NULL) {
*host = g_strndup (location, colptr - location);
} else {
*host = g_strdup (location);
}
}
GST_DEBUG ("host set to '%s'", *host);
if (colptr != NULL) {
*port = g_ascii_strtoll (colptr + 1, NULL, 10);
} else {
*port = 0;
}
g_free (location_start);
return TRUE;
/* ERRORS */
no_protocol:
{
GST_ERROR ("error parsing uri %s: no protocol", uristr);
return FALSE;
}
wrong_protocol:
{
GST_ERROR ("error parsing uri %s: wrong protocol (%s != udp)", uristr,
protocol);
g_free (protocol);
return FALSE;
}
wrong_address:
{
GST_ERROR ("error parsing uri %s", uristr);
g_free (location);
return FALSE;
}
}