/* GStreamer

 * Copyright (C) 2017 Sebastian Dröge <sebastian@centricular.com>

 * Copyright (C) 2017 Robert Rosengren <robertr@axis.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 "gstnetutils.h"

#include <gst/gstinfo.h>

#include <errno.h>

#ifdef HAVE_SYS_SOCKET_H

#include <sys/socket.h>

#endif

#ifndef G_OS_WIN32

#include <netinet/in.h>

#endif

/**

 * gst_net_time_packet_util_set_dscp:

 * @socket: Socket to configure

 * @qos_dscp: QoS DSCP value

 *

 * Configures IP_TOS value of socket, i.e. sets QoS DSCP.

 *

 * Returns: TRUE if successful, FALSE in case an error occurred.

 */

gboolean

gst_net_utils_set_socket_dscp (GSocket * socket, gint qos_dscp)

{

  gboolean ret = FALSE;

#ifdef IP_TOS

  gint tos, fd;

  fd = g_socket_get_fd (socket);

  /* Extract and shift 6 bits of DSFIELD */

  tos = (qos_dscp & 0x3f) << 2;

  if (setsockopt (fd, IPPROTO_IP, IP_TOS, &tos, sizeof (tos)) < 0) {

    GST_ERROR ("could not set TOS: %s", g_strerror (errno));

  } else {

    ret = TRUE;

  }

#endif

  return ret;

}