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) 2002-2010 OpenVPN Technologies, Inc. <sales@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 */ 39struct 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 51struct multi_instance; 52struct context; 53 54struct multi_tcp *multi_tcp_init (int maxevents, int *maxclients); 55void multi_tcp_free (struct multi_tcp *mtcp); 56void multi_tcp_dereference_instance (struct multi_tcp *mtcp, struct multi_instance *mi); 57 58bool multi_tcp_instance_specific_init (struct multi_context *m, struct multi_instance *mi); 59void multi_tcp_instance_specific_free (struct multi_instance *mi); 60 61void multi_tcp_link_out_deferred (struct multi_context *m, struct multi_instance *mi); 62 63 64/**************************************************************************/ 65/** 66 * Main event loop for OpenVPN in TCP server mode. 67 * @ingroup eventloop 68 * 69 * @param top - Top-level context structure. 70 */ 71void tunnel_server_tcp (struct context *top); 72 73 74void multi_tcp_delete_event (struct multi_tcp *mtcp, event_t event); 75 76#endif 77#endif 78