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4307 mejdrech 1 
/*
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 * Copyright (c) 2009 Lukas Mejdrech
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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/** @addtogroup ip
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 *  @{
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 */
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/** @file
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 *  IP interface implementation for standalone remote modules.
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 *  @see ip_interface.h
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 *  @see il_interface.h
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 */
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#include <ipc/services.h>
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#include "../../messages.h"
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#include "../../modules.h"
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#include "../../include/device.h"
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#include "../../include/inet.h"
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#include "../../include/ip_interface.h"
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#include "../../structures/packet/packet_client.h"
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#include "../il_messages.h"
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#include "ip_messages.h"
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int ip_device_req( int ip_phone, device_id_t device_id, services_t service ){
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    return generic_device_req( ip_phone, NET_IL_DEVICE, device_id, 0, service );
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}
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int ip_send_msg( int ip_phone, device_id_t device_id, packet_t packet, services_t sender, services_t error ){
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    return generic_send_msg( ip_phone, NET_IL_SEND, device_id, packet_get_id( packet ), sender, error );
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}
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int ip_connect_module( services_t service ){
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    return connect_to_service( SERVICE_IP );
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}
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int ip_add_route_req( int ip_phone, device_id_t device_id, in_addr_t address, in_addr_t netmask, in_addr_t gateway ){
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    return ( int ) async_req_4_0( ip_phone, NET_IP_ADD_ROUTE, ( ipcarg_t ) device_id, ( ipcarg_t ) gateway.s_addr, ( ipcarg_t ) address.s_addr, ( ipcarg_t ) netmask.s_addr );
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}
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int ip_set_gateway_req( int ip_phone, device_id_t device_id, in_addr_t gateway ){
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    return ( int ) async_req_2_0( ip_phone, NET_IP_SET_GATEWAY, ( ipcarg_t ) device_id, ( ipcarg_t ) gateway.s_addr );
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}
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int ip_packet_size_req( int ip_phone, device_id_t device_id, size_t * addr_len, size_t * prefix, size_t * content, size_t * suffix ){
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    return generic_packet_size_req( ip_phone, NET_IL_PACKET_SPACE, device_id, addr_len, prefix, content, suffix );
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}
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int ip_bind_service( services_t service, int protocol, services_t me, async_client_conn_t receiver, tl_received_msg_t tl_received_msg ){
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    return ( int ) bind_service( service, ( ipcarg_t ) protocol, me, service, receiver );
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}
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int ip_received_error_msg( int ip_phone, device_id_t device_id, packet_t packet, services_t target, services_t error ){
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    return generic_received_msg( ip_phone, NET_IP_RECEIVED_ERROR, device_id, packet_get_id( packet ), target, error );
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}
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int ip_get_route_req( int ip_phone, ip_protocol_t protocol, const struct sockaddr * destination, socklen_t addrlen, device_id_t * device_id, ip_pseudo_header_ref * header, size_t * headerlen ){
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    aid_t           message_id;
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    ipcarg_t        result;
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    ipc_call_t      answer;
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    if( !( destination && ( addrlen > 0 ))) return EINVAL;
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    if( !( device_id && header && headerlen )) return EBADMEM;
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    * header = NULL;
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    message_id = async_send_1( ip_phone, NET_IP_GET_ROUTE, ( ipcarg_t ) protocol, & answer );
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    if(( ipc_data_write_start( ip_phone, destination, addrlen ) == EOK )
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    && ( ipc_data_read_start( ip_phone, headerlen, sizeof( * headerlen )) == EOK )
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    && ( * headerlen > 0 )){
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        * header = ( ip_pseudo_header_ref ) malloc( * headerlen );
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        if( * header ){
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            if( ipc_data_read_start( ip_phone, * header, * headerlen ) != EOK ){
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                free( * header );
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            }
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        }
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    }
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    async_wait_for( message_id, & result );
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    if(( result != EOK ) && ( * header )){
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        free( * header );
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    }else{
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        * device_id = IPC_GET_DEVICE( & answer );
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    }
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    return ( int ) result;
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}
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/** @}
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 */