/*
  *  OpenVPN -- An application to securely tunnel IP networks
  *             over a single TCP/UDP port, with support for SSL/TLS-based
  *             session authentication and key exchange,
  *             packet encryption, packet authentication, and
  *             packet compression.
  *

  *  Copyright (C) 2002-2018 OpenVPN Inc <sales@openvpn.net>

  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License version 2
  *  as published by the Free Software Foundation.
  *
  *  This program 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 General Public License for more details.
  *

  *  You should have received a copy of the GNU General Public License along
  *  with this program; if not, write to the Free Software Foundation, Inc.,
  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

  */
 
 /*
  * UDP specific code for --mode server
  */
 
 #ifndef MUDP_H
 #define MUDP_H
 
 #if P2MP_SERVER
 
 struct context;
 struct multi_context;
 

 
 /**************************************************************************/
 /**
  * Main event loop wrapper function for OpenVPN in UDP server mode.
  * @ingroup eventloop
  *
  * This function simply calls \c tunnel_server_udp_single_threaded().
  *
  * @param top          - Top-level context structure.
  */

 void tunnel_server_udp(struct context *top);

 
 /**************************************************************************/
 /**
  * Get, and if necessary create, the multi_instance associated with a
  * packet's source address.
  * @ingroup external_multiplexer
  *
  * This function extracts the source address of a recently read packet
  * from \c m->top.c2.from and uses that source address as a hash key for
  * the hash table \c m->hash.  If an entry exists, this function returns
  * it.  If no entry exists, this function handles its creation, and if
  * successful, returns the newly created instance.
  *
  * @param m            - The single multi_context structure.
  *
  * @return A pointer to a multi_instance if one already existed for the
  *     packet's source address or if one was a newly created successfully.
  *      NULL if one did not yet exist and a new one was not created.
  */

 struct multi_instance *multi_get_create_instance_udp(struct multi_context *m, bool *floated);

 
 #endif
 #endif