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/**
 * @file gateway.h
 * 
 * @brief Interface of gateway_t.
 * 
 */

/*
 * Copyright (C) 2007 Martin Willi
 * 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.
 */

#ifndef GATEWAY_H_
#define GATEWAY_H_

#include <utils/host.h>
#include <utils/enumerator.h>

typedef struct gateway_t gateway_t;

/**
 * @brief A connection to a gateway.
 */
struct gateway_t {
	
	/**
	 * @brief Send an XML request to the gateway.
	 *
	 * @param xml		xml request string
	 * @return			allocated xml response string
	 */
	char* (*request)(gateway_t *this, char *xml);
	
	/**
	 * @brief Query the list of IKE_SAs and all its children.
	 *
	 * @return			enumerator over ikesa XML elements
	 */
	enumerator_t* (*query_ikesalist)(gateway_t *this);
	
	/**
     * @brief Destroy a gateway instance.
     */
    void (*destroy)(gateway_t *this);
};

/**
 * @brief Create a gateway instance using a TCP connection.
 *
 * @param name			name of the gateway
 * @param host			gateway connection endpoint
 * @param 
 */
gateway_t *gateway_create_tcp(char *name, host_t *host);

/**
 * @brief Create a gateway instance using a UNIX socket.
 *
 * @param name			name of the gateway
 * @param 
 */
gateway_t *gateway_create_unix(char *name);

#endif /* GATEWAY_H_ */