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/*
 * This file is part of the Nice GLib ICE library.
 *
 * (C) 2006, 2007 Collabora Ltd.
 *  Contact: Dafydd Harries
 * (C) 2006, 2007 Nokia Corporation. All rights reserved.
 *  Contact: Kai Vehmanen
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is the Nice GLib ICE library.
 *
 * The Initial Developers of the Original Code are Collabora Ltd and Nokia
 * Corporation. All Rights Reserved.
 *
 * Contributors:
 *   Dafydd Harries, Collabora Ltd.
 *
 * Alternatively, the contents of this file may be used under the terms of the
 * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which
 * case the provisions of LGPL are applicable instead of those above. If you
 * wish to allow use of your version of this file only under the terms of the
 * LGPL and not to allow others to use your version of this file under the
 * MPL, indicate your decision by deleting the provisions above and replace
 * them with the notice and other provisions required by the LGPL. If you do
 * not delete the provisions above, a recipient may use your version of this
 * file under either the MPL or the LGPL.
 */

#ifndef _UDP_H
#define _UDP_H

#include "address.h"

G_BEGIN_DECLS

typedef struct _NiceUDPSocket NiceUDPSocket;

struct _NiceUDPSocket
{
  NiceAddress addr;
  guint fileno;
  gint (*recv) (NiceUDPSocket *sock, NiceAddress *from, guint len,
      gchar *buf);
  gboolean (*send) (NiceUDPSocket *sock, const NiceAddress *to, guint len,
      const gchar *buf);
  void (*close) (NiceUDPSocket *sock);
  void *priv;
};

typedef struct _NiceUDPSocketManager NiceUDPSocketFactory;

struct _NiceUDPSocketManager
{
  gboolean (*init) (NiceUDPSocketFactory *man, NiceUDPSocket *sock,
      NiceAddress *sin);
  void (*close) (NiceUDPSocketFactory *man);
  void *priv;
};

/**
 * If sin is not NULL, the new socket will be bound to that IP address/port.
 * If sin->sin_port is 0, a port will be assigned at random. In all cases, the
 * address bound to will be set in sock->addr.
 */
G_GNUC_WARN_UNUSED_RESULT
gboolean
nice_udp_socket_factory_make (
  NiceUDPSocketFactory *man,
  NiceUDPSocket *sock,
  NiceAddress *addr);

void
nice_udp_socket_factory_close (NiceUDPSocketFactory *man);

G_GNUC_WARN_UNUSED_RESULT
gint
nice_udp_socket_recv (
  NiceUDPSocket *sock,
  NiceAddress *from,
  guint len,
  gchar *buf);

void
nice_udp_socket_send (
  NiceUDPSocket *sock,
  const NiceAddress *to,
  guint len,
  const gchar *buf);

void
nice_udp_socket_close (NiceUDPSocket *sock);

G_END_DECLS

#endif /* _UDP_H */