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-/*
- *  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) 2010 Fox Crypto B.V. <openvpn@fox-it.com>
- *
- *
- *  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 (see the file COPYING included with this
- *  distribution); if not, write to the Free Software Foundation, Inc.,
- *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-/**
- * @file
- * Main Event Loop module documentation file.
- */
-
-/**
- * @defgroup eventloop Main Event Loop module
- *
- * This main event loop module drives the packet processing of OpenVPN.
- *
- * OpenVPN is an event driven system.  Its activities are driven by a main
- * event loop, which repeatedly waits for one of several predefined events
- * to occur, and then calls the appropriate module to handle the event.
- * The major types of network events that OpenVPN processes are:
- * - A packet can be read from the external network interface.
- *   - The main event loop activates the \link external_multiplexer
- *     External Multiplexer\endlink to read and process the packet.
- * - A packet can be read from the virtual tun/tap network interface.
- *   - The main event loop activates the \link internal_multiplexer
- *     Internal Multiplexer\endlink to read and process the packet.
- * - If a packet is ready to be sent out as a VPN tunnel packet: the
- *   external network interface can be written to.
- *   - The main event loop activates the \link external_multiplexer
- *     External Multiplexer\endlink to send the packet.
- * - If a packet is ready to be sent to a locally reachable destination:
- *   the virtual tun/tap network interface can be written to.
- *   - The main event loop activates the \link internal_multiplexer
- *     Internal Multiplexer\endlink to send the packet.
- *
- * Beside these external events, OpenVPN also processes other types of
- * internal events.  These include scheduled events, such as resending of
- * non-acknowledged control channel messages.
- *
- * @par Main event loop implementations
- *
- * Depending on the mode in which OpenVPN is running, a different main
- * event loop function is called to drive the event processing.  The
- * following implementations are available:
- * - Client mode using UDP or TCP: \c tunnel_point_to_point()
- * - Server mode using UDP: \c tunnel_server_udp_single_threaded()
- * - Server mode using TCP: \c tunnel_server_tcp()
- */