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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 net
  30.  *  @{
  31.  */
  32.  
  33. /** @file
  34.  *  Generic module functions implementation.
  35.  */
  36. #include <async.h>
  37.  
  38. #include <ipc/ipc.h>
  39. #include <ipc/services.h>
  40.  
  41. #include "err.h"
  42. #include "modules.h"
  43.  
  44. /** The time between connect requests.
  45.  */
  46. #define MODULE_WAIT_TIME    10000
  47.  
  48. int connect_to_service( services_t need ){
  49.     int phone;
  50.     int res;
  51.  
  52.     //TODO timeout version?
  53.     res = async_req_3_5( PHONE_NS, IPC_M_CONNECT_ME_TO, need, 0, 0, NULL, NULL, NULL, NULL, ( ipcarg_t * ) & phone );
  54.     while(( res < 0 ) || ( phone < 0 )){
  55.         usleep( MODULE_WAIT_TIME );
  56.         res = async_req_3_5( PHONE_NS, IPC_M_CONNECT_ME_TO, need, 0, 0, NULL, NULL, NULL, NULL, ( ipcarg_t * ) & phone );
  57.     }
  58.     return phone;
  59. }
  60.  
  61. int bind_service( services_t need, ipcarg_t arg1, ipcarg_t arg2, ipcarg_t arg3, async_client_conn_t client_receiver ){
  62.     ERROR_DECLARE;
  63.  
  64.     int         phone;
  65.     ipcarg_t    phonehash;
  66.  
  67.     phone = connect_to_service( need );
  68.     if( phone >= 0 ){
  69.         if( ERROR_OCCURRED( ipc_connect_to_me( phone, arg1, arg2, arg3, & phonehash ))){
  70.             async_msg_0( phone, IPC_M_PHONE_HUNGUP );
  71.             return ERROR_CODE;
  72.         }
  73.         async_new_connection( phonehash, 0, NULL, client_receiver );
  74.     }
  75.     return phone;
  76. }
  77.  
  78. void answer_call( ipc_callid_t callid, int result, ipc_call_t * answer, int answer_count ){
  79.     if( answer || ( ! answer_count )){
  80.         switch( answer_count ){
  81.             case 0:
  82.                 ipc_answer_0( callid, ( ipcarg_t ) result );
  83.                 break;
  84.             case 1:
  85.                 ipc_answer_1( callid, ( ipcarg_t ) result, IPC_GET_ARG1( * answer ));
  86.                 break;
  87.             case 2:
  88.                 ipc_answer_2( callid, ( ipcarg_t ) result, IPC_GET_ARG1( * answer ), IPC_GET_ARG2( * answer ));
  89.                 break;
  90.             case 3:
  91.                 ipc_answer_3( callid, ( ipcarg_t ) result, IPC_GET_ARG1( * answer ), IPC_GET_ARG2( * answer ), IPC_GET_ARG3( * answer ));
  92.                 break;
  93.             case 4:
  94.                 ipc_answer_4( callid, ( ipcarg_t ) result, IPC_GET_ARG1( * answer ), IPC_GET_ARG2( * answer ), IPC_GET_ARG3( * answer ), IPC_GET_ARG4( * answer ));
  95.                 break;
  96.             case 5:
  97.             default:
  98.                 ipc_answer_5( callid, ( ipcarg_t ) result, IPC_GET_ARG1( * answer ), IPC_GET_ARG2( * answer ), IPC_GET_ARG3( * answer ), IPC_GET_ARG4( * answer ), IPC_GET_ARG5( * answer ));
  99.                 break;
  100.         }
  101.     }
  102. }
  103.  
  104. void refresh_answer( ipc_call_t * answer, int * answer_count ){
  105.     if( answer_count ){
  106.         * answer_count = 0;
  107.     }
  108.     if( answer ){
  109.         IPC_SET_RETVAL( * answer, 0 );
  110.         // just to be precize
  111.         IPC_SET_METHOD( * answer, 0 );
  112.         IPC_SET_ARG1( * answer, 0 );
  113.         IPC_SET_ARG2( * answer, 0 );
  114.         IPC_SET_ARG3( * answer, 0 );
  115.         IPC_SET_ARG4( * answer, 0 );
  116.         IPC_SET_ARG5( * answer, 0 );
  117.     }
  118. }
  119.  
  120. /** @}
  121.  */
  122.