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  1. /*
  2.  * Copyright (C) 2006 Ondrej Palkovsky
  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. #include <ipc/ipc.h>
  30. #include <ipc/ns.h>
  31. #include <print.h>
  32. #include <proc/thread.h>
  33. #include <arch.h>
  34. #include <panic.h>
  35.  
  36. static answerbox_t ns_answerbox;
  37.  
  38. /**   */
  39. static void ns_thread(void *data)
  40. {
  41.     call_t *call;
  42.  
  43.     printf("Name service started.\n");
  44.     while (1) {
  45.         call = ipc_wait_for_call(&ns_answerbox, 0);
  46.         switch (IPC_GET_METHOD(call->data)) {
  47.         case NS_PING:
  48.             printf("Ping.\n");
  49.             IPC_SET_RETVAL(call->data, 0);
  50.             break;
  51.         default:
  52.             printf("Unsupported name service call.\n");
  53.             IPC_SET_RETVAL(call->data, -1);
  54.         }
  55.         ipc_answer(&ns_answerbox, call);
  56.     }
  57. }
  58.  
  59. /** Name service initialization and start
  60.  *
  61.  * This must be started before any task that communicates with name service
  62.  */
  63. void ns_start(void)
  64. {
  65.     thread_t *t;
  66.  
  67.     ipc_answerbox_init(&ns_answerbox);
  68.     ipc_phone_0 = &ns_answerbox;
  69.    
  70.     if ((t = thread_create(ns_thread, NULL, TASK, 0)))
  71.         thread_ready(t);
  72.     else
  73.         panic("thread_create/phonecompany");
  74. }
  75.