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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(bool quiet)
  41. {
  42.     printf("Pinging ns server for %d seconds...\n", DURATION_SECS);
  43.    
  44.     struct timeval start;
  45.     if (gettimeofday(&start, NULL) != 0)
  46.         return "Failed getting the time.";
  47.    
  48.     uint64_t count = 0;
  49.    
  50.     while (true) {
  51.         struct timeval now;
  52.         if (gettimeofday(&now, NULL) != 0)
  53.             return "Failed getting the time.";
  54.        
  55.         if (tv_sub(&now, &start) >= DURATION_SECS * 1000000L)
  56.             break;
  57.        
  58.         size_t i;
  59.         for (i = 0; i < COUNT_GRANULARITY; i++) {
  60.             int retval = async_req_0_0(PHONE_NS, NS_PING);
  61.            
  62.             if (retval != EOK)
  63.                 return "Failed to send ping message.";
  64.         }
  65.        
  66.         count += COUNT_GRANULARITY;
  67.     }
  68.    
  69.     printf("Completed %lu round trips in %u seconds, %lu RT/s.\n",
  70.         count, DURATION_SECS, count / DURATION_SECS);
  71.    
  72.     return NULL;
  73. }
  74.