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/*
* Copyright (C) 2006-2010 Tobias Brunner
* Copyright (C) 2005-2010 Martin Willi
* Copyright (C) 2006 Daniel Roethlisberger
* Copyright (C) 2005 Jan Hutter
* Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* 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.
*/
/**
* @defgroup socket socket
* @{ @ingroup network
*/
#ifndef SOCKET_H_
#define SOCKET_H_
typedef struct socket_t socket_t;
#include <library.h>
#include <network/packet.h>
#include <utils/enumerator.h>
#include <plugins/plugin.h>
/**
* Constructor prototype for sockets.
*/
typedef socket_t *(*socket_constructor_t)();
/**
* Socket interface definition.
*/
struct socket_t {
/**
* Receive a packet.
*
* Reads a packet from the socket and sets source/dest
* appropriately.
*
* @param packet pinter gets address from allocated packet_t
* @return
* - SUCCESS when packet successfully received
* - FAILED when unable to receive
*/
status_t (*receive) (socket_t *this, packet_t **packet);
/**
* Send a packet.
*
* Sends a packet to the net using source and destination addresses of
* the packet.
*
* @param packet packet_t to send
* @return
* - SUCCESS when packet successfully sent
* - FAILED when unable to send
*/
status_t (*send) (socket_t *this, packet_t *packet);
/**
* Destroy a socket implementation.
*/
void (*destroy) (socket_t *this);
};
/**
* Helper function to (un-)register socket interfaces from plugin features.
*
* This function is a plugin_feature_callback_t and can be used with the
* PLUGIN_CALLBACK macro to register an socket interface constructor.
*
* @param plugin plugin registering the socket interface
* @param feature associated plugin feature
* @param reg TRUE to register, FALSE to unregister
* @param data data passed to callback, a socket_constructor_t
*/
bool socket_register(plugin_t *plugin, plugin_feature_t *feature,
bool reg, void *data);
#endif /** SOCKET_H_ @}*/
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