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  1. /*
  2.  * Copyright (c) 2009 Jiri Svoboda
  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 <stdio.h>
  30. #include <stdlib.h>
  31. #include <sys/time.h>
  32. #include <ipc/ns.h>
  33. #include <async.h>
  34. #include <errno.h>
  35. #include "../tester.h"
  36.  
  37. #define DURATION_SECS      10
  38. #define COUNT_GRANULARITY  100
  39.  
  40. char *test_ping_pong(void)
  41. {
  42.     TPRINTF("Pinging ns server for %d seconds...", DURATION_SECS);
  43.    
  44.     struct timeval start;
  45.     if (gettimeofday(&start, NULL) != 0) {
  46.         TPRINTF("\n");
  47.         return "Failed getting the time";
  48.     }
  49.    
  50.     uint64_t count = 0;
  51.     while (true) {
  52.         struct timeval now;
  53.         if (gettimeofday(&now, NULL) != 0) {
  54.             TPRINTF("\n");
  55.             return "Failed getting the time";
  56.         }
  57.        
  58.         if (tv_sub(&now, &start) >= DURATION_SECS * 1000000L)
  59.             break;
  60.        
  61.         size_t i;
  62.         for (i = 0; i < COUNT_GRANULARITY; i++) {
  63.             int retval = async_req_0_0(PHONE_NS, NS_PING);
  64.            
  65.             if (retval != EOK) {
  66.                 TPRINTF("\n");
  67.                 return "Failed to send ping message";
  68.             }
  69.         }
  70.        
  71.         count += COUNT_GRANULARITY;
  72.     }
  73.    
  74.     TPRINTF("OK\nCompleted %llu round trips in %u seconds, %llu rt/s.\n",
  75.         count, DURATION_SECS, count / DURATION_SECS);
  76.    
  77.     return NULL;
  78. }
  79.