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  1. /*
  2.  * Copyright (c) 2009 Lukas Mejdrech
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. /** @addtogroup ip
  30.  *  @{
  31.  */
  32.  
  33. /** @file
  34.  *  IP interface implementation for standalone remote modules.
  35.  *  @see ip_interface.h
  36.  *  @see il_interface.h
  37.  */
  38.  
  39. #include <ipc/services.h>
  40.  
  41. #include "../../messages.h"
  42. #include "../../modules.h"
  43.  
  44. #include "../../include/device.h"
  45. #include "../../include/inet.h"
  46. #include "../../include/ip_interface.h"
  47.  
  48. #include "../../structures/packet/packet_client.h"
  49.  
  50. #include "../il_messages.h"
  51.  
  52. #include "ip_messages.h"
  53.  
  54. int ip_device_req( int ip_phone, device_id_t device_id, services_t service ){
  55.     return generic_device_req( ip_phone, NET_IL_DEVICE, device_id, 0, service );
  56. }
  57.  
  58. int ip_send_msg( int ip_phone, device_id_t device_id, packet_t packet, services_t sender, services_t error ){
  59.     return generic_send_msg( ip_phone, NET_IL_SEND, device_id, packet_get_id( packet ), sender, error );
  60. }
  61.  
  62. int ip_connect_module( services_t service ){
  63.     return connect_to_service( SERVICE_IP );
  64. }
  65.  
  66. 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 ){
  67.     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 );
  68. }
  69.  
  70. int ip_set_gateway_req( int ip_phone, device_id_t device_id, in_addr_t gateway ){
  71.     return ( int ) async_req_2_0( ip_phone, NET_IP_SET_GATEWAY, ( ipcarg_t ) device_id, ( ipcarg_t ) gateway.s_addr );
  72. }
  73.  
  74. 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 ){
  75.     return generic_packet_size_req( ip_phone, NET_IL_PACKET_SPACE, device_id, addr_len, prefix, content, suffix );
  76. }
  77.  
  78. int ip_bind_service( services_t service, int protocol, services_t me, async_client_conn_t receiver, tl_received_msg_t tl_received_msg ){
  79.     return ( int ) bind_service( service, ( ipcarg_t ) protocol, me, service, receiver );
  80. }
  81.  
  82. int ip_received_error_msg( int ip_phone, device_id_t device_id, packet_t packet, services_t target, services_t error ){
  83.     return generic_received_msg( ip_phone, NET_IP_RECEIVED_ERROR, device_id, packet_get_id( packet ), target, error );
  84. }
  85.  
  86. 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 ){
  87.     aid_t           message_id;
  88.     ipcarg_t        result;
  89.     ipc_call_t      answer;
  90.  
  91.     if( !( destination && ( addrlen > 0 ))) return EINVAL;
  92.     if( !( device_id && header && headerlen )) return EBADMEM;
  93.     * header = NULL;
  94.     message_id = async_send_1( ip_phone, NET_IP_GET_ROUTE, ( ipcarg_t ) protocol, & answer );
  95.     if(( ipc_data_write_start( ip_phone, destination, addrlen ) == EOK )
  96.     && ( ipc_data_read_start( ip_phone, headerlen, sizeof( * headerlen )) == EOK )
  97.     && ( * headerlen > 0 )){
  98.         * header = ( ip_pseudo_header_ref ) malloc( * headerlen );
  99.         if( * header ){
  100.             if( ipc_data_read_start( ip_phone, * header, * headerlen ) != EOK ){
  101.                 free( * header );
  102.             }
  103.         }
  104.     }
  105.     async_wait_for( message_id, & result );
  106.     if(( result != EOK ) && ( * header )){
  107.         free( * header );
  108.     }else{
  109.         * device_id = IPC_GET_DEVICE( & answer );
  110.     }
  111.     return ( int ) result;
  112. }
  113.  
  114. /** @}
  115.  */
  116.