src/openvpn/mtcp.h

   1 /*
   2  *  OpenVPN -- An application to securely tunnel IP networks
   3  *             over a single TCP/UDP port, with support for SSL/TLS-based
   4  *             session authentication and key exchange,
   5  *             packet encryption, packet authentication, and
   6  *             packet compression.
   7  *
   8  *  Copyright (C) 2002-2005 OpenVPN Solutions LLC <info@openvpn.net>
   9  *
  10  *  This program is free software; you can redistribute it and/or modify
  11  *  it under the terms of the GNU General Public License version 2
  12  *  as published by the Free Software Foundation.
  13  *
  14  *  This program is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program (see the file COPYING included with this
  21  *  distribution); if not, write to the Free Software Foundation, Inc.,
  22  *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  23  */
  24
  25 /*
  26  * TCP specific code for --mode server
  27  */
  28
  29 #ifndef MTCP_H
  30 #define MTCP_H
  31
  32 #if P2MP_SERVER
  33
  34 #include "event.h"
  35
  36 /*
  37  * Extra state info needed for TCP mode
  38  */
  39 struct multi_tcp
  40 {
  41   struct event_set *es;
  42   struct event_set_return *esr;
  43   int n_esr;
  44   int maxevents;
  45   unsigned int tun_rwflags;
  46 #ifdef ENABLE_MANAGEMENT
  47   unsigned int management_persist_flags;
  48 #endif
  49 };
  50
  51 struct multi_instance;
  52 struct context;
  53
  54 struct multi_tcp *multi_tcp_init (int maxevents, int *maxclients);
  55 void multi_tcp_free (struct multi_tcp *mtcp);
  56 void multi_tcp_dereference_instance (struct multi_tcp *mtcp, struct multi_instance *mi);
  57
  58 bool multi_tcp_instance_specific_init (struct multi_context *m, struct multi_instance *mi);
  59 void multi_tcp_instance_specific_free (struct multi_instance *mi);
  60
  61 void multi_tcp_link_out_deferred (struct multi_context *m, struct multi_instance *mi);
  62
  63 void tunnel_server_tcp (struct context *top);
  64
  65 void multi_tcp_delete_event (struct multi_tcp *mtcp, event_t event);
  66
  67 #endif
  68 #endif