Subversion Repositories HelenOS

Rev

Rev 2550 | Go to most recent revision | Blame | Compare with Previous | Last modification | View Log | Download | RSS feed

  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/ipc.h>
  39. #include <ipc/services.h>
  40. #include <ipc/ns.h>
  41. #include <async.h>
  42. #include <stdio.h>
  43. #include <errno.h>
  44.  
  45. #include "devmap.h"
  46.  
  47. /** Initialize device mapper.
  48.  *
  49.  *
  50.  */
  51. static int devmap_init()
  52. {
  53.     /* */
  54.  
  55.     return 0;
  56. }
  57.  
  58.  
  59. /** Function for handling connections to devmap
  60.  *
  61.  */
  62. static void
  63. devmap_client_connection(ipc_callid_t iid, ipc_call_t *icall)
  64. {
  65.     ipc_callid_t callid;
  66.     ipc_call_t call;
  67.     int retval;
  68.  
  69.     ipc_answer_fast(iid, EOK, 0, 0); /* Accept connection */
  70.  
  71.     while (1) {
  72.         callid = async_get_call(&call);
  73.  
  74.         switch (IPC_GET_METHOD(call)) {
  75.         case IPC_M_PHONE_HUNGUP:
  76.                 /* TODO: if its a device connection, remove it from table */
  77.             return; /* Exit thread */
  78.  
  79.         case DEVMAP_REGISTER:
  80.             /* TODO: */
  81.         case DEVMAP_UNREGISTER:
  82.             /* TODO: */
  83.         case DEVMAP_CONNECT_TO_DEVICE:
  84.             /* TODO: */
  85.             retval = 0;
  86.             break;
  87.         default:
  88.             retval = ENOENT;
  89.         }
  90.         ipc_answer_fast(callid, retval, 0, 0);
  91.     }
  92.        
  93. }
  94.  
  95.  
  96. int main(int argc, char *argv[])
  97. {
  98.  
  99.     ipcarg_t phonead;
  100.  
  101.     printf("DevMap: HelenOS device mapper.\n");
  102.  
  103.     if (devmap_init() != 0) {
  104.         printf("Error while initializing DevMap service.");
  105.         return -1;
  106.     }
  107.  
  108.         /* Set a handler of incomming connections */
  109.     async_set_client_connection(devmap_client_connection);
  110.  
  111.         /* Register device mapper at naming service */
  112.     if (ipc_connect_to_me(PHONE_NS, SERVICE_DEVMAP, 0, &phonead) != 0)
  113.         return -1;
  114.    
  115.     async_manager();
  116.     /* Never reached */
  117.     return 0;
  118. }
  119.  
  120. /**
  121.  * @}
  122.  */
  123.  
  124.