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  1. /*
  2.  * Copyright (c) 2007 Josef Cejka
  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. /**
  30.  * @defgroup devmap Device mapper.
  31.  * @brief   HelenOS device mapper.
  32.  * @{
  33.  */
  34.  
  35. /** @file
  36.  */
  37.  
  38. #include <ipc/services.h>
  39. #include <ipc/ns.h>
  40. #include <async.h>
  41. #include <stdio.h>
  42. #include <errno.h>
  43.  
  44. #include "devmap.h"
  45.  
  46. /** Initialize device mapper.
  47.  *
  48.  *
  49.  */
  50. static int devmap_init()
  51. {
  52.     /* */
  53.  
  54.     return 0;
  55. }
  56.  
  57.  
  58. /** Function for handling connections to devmap
  59.  *
  60.  */
  61. static void
  62. devmap_client_connection(ipc_callid_t iid, ipc_call_t *icall)
  63. {
  64.     ipc_callid_t callid;
  65.     ipc_call_t call;
  66.     int retval;
  67.  
  68.     ipc_answer_fast(iid, EOK, 0, 0); /* Accept connection */
  69.  
  70.     while (1) {
  71.         callid = async_get_call(&call);
  72.  
  73.         switch (IPC_GET_METHOD(call)) {
  74.         case IPC_M_PHONE_HUNGUP:
  75.                 /* TODO: if its a device connection, remove it from table */
  76.             return; /* Exit thread */
  77.  
  78.         case DEVMAP_REGISTER:
  79.             /* TODO: */
  80.         case DEVMAP_UNREGISTER:
  81.             /* TODO: */
  82.         case DEVMAP_CONNECT_TO_DEVICE:
  83.             /* TODO: */
  84.             retval = 0;
  85.             break;
  86.         default:
  87.             retval = ENOENT;
  88.         }
  89.         ipc_answer_fast(callid, retval, 0, 0);
  90.     }
  91.        
  92. }
  93.  
  94.  
  95. int main(int argc, char *argv[])
  96. {
  97.  
  98.     ipcarg_t phonead;
  99.  
  100.     printf("DevMap: HelenOS device mapper.\n");
  101.  
  102.     if (devmap_init() != 0) {
  103.         printf("Error while initializing DevMap service.");
  104.         return -1;
  105.     }
  106.  
  107.         /* Set a handler of incomming connections */
  108.     async_set_client_connection(devmap_client_connection);
  109.  
  110.         /* Register device mapper at naming service */
  111.     if (ipc_connect_to_me(PHONE_NS, SERVICE_DEVMAP, 0, &phonead) != 0)
  112.         return -1;
  113.    
  114.     async_manager();
  115.     /* Never reached */
  116.     return 0;
  117. }
  118.  
  119. /**
  120.  * @}
  121.  */
  122.  
  123.