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/*
* PM-QA validation test suite for the power management on ARM
*
* Copyright (C) 2011, Linaro Limited.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Contributors:
* Torez Smith <torez.smith@linaro.org> (IBM Corporation)
* - initial API and implementation
*/
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>
//void usleep(unsigned long usec);
#define MAX_COUNT 1024
int main(int argc, char *argv[])
{
int err = 0;
FILE *fp = 0;
int byteCount = 0;
int iterCount = 0;
char dataArray[MAX_COUNT];
/*
printf("\nUSB mass storage test: parameters --device_name, byte to read, times to run\n");
*/
if(argc!=4) {
printf("Error: No of argumets not proper\n");
return 0;
}
byteCount = atoi(argv[2]);
iterCount = atoi(argv[3]);
/*
printf("Device to open=%s, bytes read =%d, iteration =%d\n",argv[1], byteCount, iterCount);
*/
fp = fopen(argv[1], "r");
if(fp == NULL)
{
printf("Error: Invalid device name passed\n");
return 0;
}
/*Init random generator*/
srand((unsigned int)time(NULL));
while(iterCount != 0) {
/*read from the begining*/
err = fread(dataArray,1,byteCount,fp);
if(err < 0) {
printf("Error: Data read failed\n");
return 0;
}
fseek(fp,((iterCount%5)*100*1024), SEEK_SET);
if(err < 0) {
printf("Error: Data seek failed\n");
return 0;
}
/*read from somewhere in the middle*/
err = fread(dataArray,1,byteCount,fp);
if(err < 0) {
printf("Error: Data read failed\n");
return 0;
}
fseek(fp, byteCount, SEEK_END);
if(err < 0) {
printf("Error: Data seek failed\n");
return 0;
}
/*read from the end*/
err = fread(dataArray,1,byteCount,fp);
if(err < 0) {
printf("Error: Data read failed\n");
return 0;
}
rewind(fp);
iterCount--;
fclose(fp);
/*sleep between 1ms to 50ms*/
usleep(((rand()%50) + 1)*1000);
fp = fopen(argv[1], "r");
}
fclose(fp);
return 0;
}
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