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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 netif
  30.  *  @{
  31.  */
  32.  
  33. /** @file
  34.  *  Wrapper for the bundled network interface and network interface layer module.
  35.  *  Distributes messages and initializes both module parts.
  36.  */
  37.  
  38. #include <async.h>
  39.  
  40. #include <ipc/ipc.h>
  41.  
  42. #include "../messages.h"
  43.  
  44. #include "../structures/packet/packet.h"
  45.  
  46. #include "../nil/nil_module.h"
  47.  
  48. #include "netif.h"
  49.  
  50. /** Network interface module global data.
  51.  */
  52. extern netif_globals_t netif_globals;
  53.  
  54. /** Distributes the messages between the module parts.
  55.  *  @param[in] callid The message identifier.
  56.  *  @param[in] call The message parameters.
  57.  *  @param[out] answer The message answer parameters.
  58.  *  @param[out] answer_count The last parameter for the actual answer in the answer parameter.
  59.  *  @returns EOK on success.
  60.  *  @returns ENOTSUP if the message is not known.
  61.  *  @returns Other error codes as defined for each specific module message function.
  62.  */
  63. int module_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count );
  64.  
  65. /** Starts the bundle network interface module.
  66.  *  Initializes the client connection serving function, initializes both module parts, registers the module service and starts the async manager, processing IPC messages in an infinite loop.
  67.  *  @param[in] client_connection The client connection processing function. The module skeleton propagates its own one.
  68.  *  @returns EOK on success.
  69.  *  @returns Other error codes as defined for each specific module message function.
  70.  */
  71. int module_start( async_client_conn_t client_connection );
  72.  
  73. int module_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){
  74.     if( IS_NET_NIL_MESSAGE( call ) || ( IPC_GET_METHOD( * call ) == IPC_M_CONNECT_TO_ME )){
  75.         return nil_message( callid, call, answer, answer_count );
  76.     }else{
  77.         return netif_message( callid, call, answer, answer_count );
  78.     }
  79. }
  80.  
  81. int module_start( async_client_conn_t client_connection ){
  82.     ERROR_DECLARE;
  83.  
  84.     ERROR_PROPAGATE( netif_init_module( client_connection ));
  85.     if( ERROR_OCCURRED( nil_initialize( netif_globals.net_phone ))){
  86.         pm_destroy();
  87.         return ERROR_CODE;
  88.     }
  89.     return netif_run_module();
  90. }
  91.  
  92. /** @}
  93.  */
  94.