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/*
 * Copyright (c) 2009 Lukas Mejdrech
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/** @addtogroup arp
 *  @{
 */

/** @file
 */

#ifndef __NET_ARP_MESSAGES_H__
#define __NET_ARP_MESSAGES_H__

#include <async.h>
#include <errno.h>

#include <ipc/ipc.h>

#include "../messages.h"

#include "../structures/measured_strings.h"

#include "device.h"

typedef enum{
    /* ( device_id, nil_service, proto ), measured_strings_send( proto_addr ) */
    NET_ARP_DEVICE = NET_ARP_FIRST,
    /* ( device_id, protocol ), measured_strings_send( target ), measured_strings_return( translation ) */
    NET_ARP_TRANSLATE,
    /* ( device_id ) */
    NET_ARP_CLEAR_DEVICE,
    /* () */
    NET_ARP_CLEAN_CACHE,
} arp_messages;

static inline int arp_device_req( int arp_phone, device_id_t device_id, services_t protocol, services_t netif, measured_string_ref address );
static inline int arp_translate_req( int arp_phone, device_id_t device_id, services_t protocol, measured_string_ref address, measured_string_ref * translation, char ** data );
static inline int arp_clear_device_req( int arp_phone, device_id_t device_id );
static inline int arp_clean_cache_req( int arp_phone );

#if ARP_BUNDLE

#include "../il/arp/arp_wrappers.h"

/** Returns the protocol service message parameter.
 */
#define ARP_GET_PROTO( call )       ( services_t ) IPC_GET_ARG2( * call )

static inline int arp_device_req( int arp_phone, device_id_t device_id, services_t protocol, services_t netif, measured_string_ref address ){
    return arp_device_wrapper( device_id, netif, protocol, address );
}

static inline int arp_translate_req( int arp_phone, device_id_t device_id, services_t protocol, measured_string_ref address, measured_string_ref * translation, char ** data ){
    return arp_translate_wrapper( device_id, protocol, address, translation, data );
}

static inline int arp_clear_device_req( int arp_phone, device_id_t device_id ){
    return arp_clear_device_wrapper( device_id );
}

static inline int arp_clean_cache_req( int arp_phone ){
    return arp_clean_cache_wrapper();
}

#else

static inline int arp_device_req( int arp_phone, device_id_t device_id, services_t protocol, services_t netif, measured_string_ref address ){
    aid_t           message_id;
    ipcarg_t        result;

    message_id = async_send_3( arp_phone, NET_ARP_DEVICE, device_id, protocol, netif, NULL );
    measured_strings_send( arp_phone, address, 1 );
    async_wait_for( message_id, & result );
    return result;
}

static inline int arp_translate_req( int arp_phone, device_id_t device_id, services_t protocol, measured_string_ref address, measured_string_ref * translation, char ** data ){
    aid_t           message_id;
    ipcarg_t        result;
    int             string;

    if( !( address && data )) return EBADMEM;
    message_id = async_send_2( arp_phone, NET_ARP_TRANSLATE, device_id, protocol, NULL );
    measured_strings_send( arp_phone, address, 1 );
    string = measured_strings_return( arp_phone, translation, data, 1 );
    async_wait_for( message_id, & result );
    if(( string == EOK ) && ( result != EOK )){
        free( * translation );
        free( * data );
    }
    return result;
}

static inline int arp_clear_device_req( int arp_phone, device_id_t device_id ){
    return async_req_1_0( arp_phone, NET_ARP_CLEAR_DEVICE, device_id );
}

static inline int arp_clean_cache_req( int arp_phone ){
    return async_req_0_0( arp_phone, NET_ARP_CLEAN_CACHE );
}

#endif

#endif

/** @}
 */