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/* Copyright (C) 2006 MySQL AB
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; version 2 of the License.
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 St, Fifth Floor, Boston, MA 02110-1301 USA */
#include "config.h"
#include "azio.h"
#include <string.h>
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <sys/stat.h>
#include "drizzled/my_getopt.h"
#if TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# if HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
#endif
#define TEST_FILENAME "performance_test.az"
#define BUFFER_LEN 1024
char test_string[BUFFER_LEN];
#define ROWS_TO_TEST 2000000LL
/* prototypes */
static long int timedif(struct timeval a, struct timeval b);
static int generate_data(uint64_t length);
static int read_test(azio_stream *reader_handle, uint64_t rows_to_test_for);
int main(int argc, char *argv[])
{
unsigned int method;
struct timeval start_time, end_time;
long int timing;
drizzled::internal::my_init();
MY_INIT(argv[0]);
if (argc != 1)
return 1;
printf("Performing write() test\n");
generate_data(ROWS_TO_TEST);
for (method= AZ_METHOD_BLOCK; method < AZ_METHOD_MAX; method++)
{
unsigned int ret;
azio_stream reader_handle;
if (method)
printf("Performing azio_read() test\n");
else
printf("Performing read() test\n");
if (!(ret= azopen(&reader_handle, TEST_FILENAME, O_RDONLY,
(az_method)method)))
{
printf("Could not open test file\n");
return 0;
}
gettimeofday(&start_time, NULL);
read_test(&reader_handle, 1044496L);
gettimeofday(&end_time, NULL);
timing= timedif(end_time, start_time);
printf("Time took to read was %ld.%03ld seconds\n", timing / 1000, timing % 1000);
azclose(&reader_handle);
}
drizzled::internal::my_end();
return 0;
}
static int generate_data(uint64_t rows_to_test)
{
azio_stream writer_handle;
uint64_t x;
unsigned int ret;
struct timeval start_time, end_time;
long int timing;
struct stat buf;
if ((stat(TEST_FILENAME, &buf)) == 0)
{
printf("Writer file already available\n");
return 0;
}
if (!(ret= azopen(&writer_handle, TEST_FILENAME, O_CREAT|O_RDWR|O_TRUNC,
AZ_METHOD_BLOCK)))
{
printf("Could not create test file\n");
exit(1);
}
gettimeofday(&start_time, NULL);
for (x= 0; x < rows_to_test; x++)
{
ret= azwrite_row(&writer_handle, test_string, BUFFER_LEN);
if (ret != BUFFER_LEN)
{
printf("Size %u\n", ret);
assert(ret != BUFFER_LEN);
}
if ((x % 14031) == 0)
{
azflush(&writer_handle, Z_SYNC_FLUSH);
}
}
/*
We put the flush in just to be honest with write speed, normally azclose
would be fine.
*/
azflush(&writer_handle, Z_SYNC_FLUSH);
gettimeofday(&end_time, NULL);
timing= timedif(end_time, start_time);
azclose(&writer_handle);
printf("Time took to write was %ld.%03ld seconds\n", timing / 1000, timing % 1000);
return 0;
}
static int read_test(azio_stream *reader_handle, uint64_t rows_to_test_for)
{
uint64_t read_length= 0;
uint64_t count= 0;
unsigned int ret;
int error;
azread_init(reader_handle);
while ((ret= azread_row(reader_handle, &error)))
{
if (error)
{
fprintf(stderr, "Got an error while reading at row %"PRIu64"\n", count);
exit(1);
}
read_length+= ret;
assert(!memcmp(reader_handle->row_ptr, test_string, ret));
if (ret != BUFFER_LEN)
{
printf("Size %u\n", ret);
assert(ret != BUFFER_LEN);
}
count++;
}
assert(rows_to_test_for == rows_to_test_for);
return 0;
}
static long int timedif(struct timeval a, struct timeval b)
{
register int us, s;
us = a.tv_usec - b.tv_usec;
us /= 1000;
s = a.tv_sec - b.tv_sec;
s *= 1000;
return s + us;
}
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