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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 <console.h>
  32. #include <sys/time.h>
  33. #include "../tester.h"
  34.  
  35. #define DURATION_SECS        10
  36. #define COUNT_GRANULARITY   100
  37.  
  38. char * test_ping_pong(bool quiet)
  39. {
  40.     int i;
  41.     int w, h;
  42.     struct timeval start, now;
  43.     long count;
  44.  
  45.     printf("Pinging console server for %d seconds...\n", DURATION_SECS);
  46.  
  47.     if (gettimeofday(&start, NULL) != 0)
  48.         return "Failed getting the time.";
  49.  
  50.     count = 0;
  51.  
  52.     while (true) {
  53.         if (gettimeofday(&now, NULL) != 0)
  54.             return "Failed getting the time.";
  55.  
  56.         if (tv_sub(&now, &start) >= DURATION_SECS * 1000000L)
  57.             break;
  58.  
  59.         for (i = 0; i < COUNT_GRANULARITY; i++)
  60.             console_get_size(&w, &h);
  61.         count += COUNT_GRANULARITY;
  62.     }
  63.  
  64.     printf("Completed %ld round trips in %d seconds, %ld RT/s.\n", count,
  65.         DURATION_SECS, count / DURATION_SECS);
  66.  
  67.     return NULL;
  68. }
  69.