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/**********************************************************************
Copyright(c) 2011-2015 Intel Corporation All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
* Neither the name of Intel Corporation nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**********************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include "erasure_code.h"
#define TEST_SIZE (128*1024)
typedef unsigned char u8;
int main(int argc, char *argv[])
{
int i, ret = -1;
u8 *buff1 = NULL, *buff2 = NULL, *buff3 = NULL, gf_const_tbl[64], a = 2;
int tsize;
int align, size;
unsigned char *efence_buff1;
unsigned char *efence_buff2;
unsigned char *efence_buff3;
printf("gf_vect_mul_test: ");
gf_vect_mul_init(a, gf_const_tbl);
buff1 = (u8 *) malloc(TEST_SIZE);
buff2 = (u8 *) malloc(TEST_SIZE);
buff3 = (u8 *) malloc(TEST_SIZE);
if (NULL == buff1 || NULL == buff2 || NULL == buff3) {
printf("buffer alloc error\n");
goto exit;
}
// Fill with rand data
for (i = 0; i < TEST_SIZE; i++)
buff1[i] = rand();
if (gf_vect_mul(TEST_SIZE, gf_const_tbl, buff1, buff2) != 0) {
printf("fail creating buff2\n");
goto exit;
}
for (i = 0; i < TEST_SIZE; i++) {
if (gf_mul_erasure(a, buff1[i]) != buff2[i]) {
printf("fail at %d, 0x%x x 2 = 0x%x (0x%x)\n", i,
buff1[i], buff2[i], gf_mul_erasure(2, buff1[i]));
goto exit;
}
}
if (gf_vect_mul_base(TEST_SIZE, gf_const_tbl, buff1, buff3) != 0) {
printf("fail fill with rand data\n");
goto exit;
}
// Check reference function
for (i = 0; i < TEST_SIZE; i++) {
if (buff2[i] != buff3[i]) {
printf("fail at %d, 0x%x x 0x%d = 0x%x (0x%x)\n",
i, a, buff1[i], buff2[i], gf_mul_erasure(a, buff1[i]));
goto exit;
}
}
for (i = 0; i < TEST_SIZE; i++)
buff1[i] = rand();
// Check each possible constant
for (a = 0; a != 255; a++) {
gf_vect_mul_init(a, gf_const_tbl);
if (gf_vect_mul(TEST_SIZE, gf_const_tbl, buff1, buff2) != 0) {
printf("fail creating buff2\n");
goto exit;
}
for (i = 0; i < TEST_SIZE; i++)
if (gf_mul_erasure(a, buff1[i]) != buff2[i]) {
printf("fail at %d, 0x%x x %d = 0x%x (0x%x)\n",
i, a, buff1[i], buff2[i], gf_mul_erasure(2, buff1[i]));
goto exit;
}
#ifdef TEST_VERBOSE
putchar('.');
#endif
}
// Check buffer len
for (tsize = TEST_SIZE; tsize > 0; tsize -= 32) {
a = rand();
gf_vect_mul_init(a, gf_const_tbl);
if (gf_vect_mul(tsize, gf_const_tbl, buff1, buff2) != 0) {
printf("fail creating buff2 (len %d)\n", tsize);
goto exit;
}
for (i = 0; i < tsize; i++)
if (gf_mul_erasure(a, buff1[i]) != buff2[i]) {
printf("fail at %d, 0x%x x %d = 0x%x (0x%x)\n",
i, a, buff1[i], buff2[i], gf_mul_erasure(2, buff1[i]));
goto exit;
}
#ifdef TEST_VERBOSE
if (0 == tsize % (32 * 8)) {
putchar('.');
fflush(0);
}
#endif
}
// Run tests at end of buffer for Electric Fence
align = 32;
a = 2;
gf_vect_mul_init(a, gf_const_tbl);
for (size = 0; size < TEST_SIZE; size += align) {
// Line up TEST_SIZE from end
efence_buff1 = buff1 + size;
efence_buff2 = buff2 + size;
efence_buff3 = buff3 + size;
gf_vect_mul(TEST_SIZE - size, gf_const_tbl, efence_buff1, efence_buff2);
for (i = 0; i < TEST_SIZE - size; i++)
if (gf_mul_erasure(a, efence_buff1[i]) != efence_buff2[i]) {
printf("fail at %d, 0x%x x 2 = 0x%x (0x%x)\n",
i, efence_buff1[i], efence_buff2[i],
gf_mul_erasure(2, efence_buff1[i]));
goto exit;
}
if (gf_vect_mul_base
(TEST_SIZE - size, gf_const_tbl, efence_buff1, efence_buff3) != 0) {
printf("fail line up TEST_SIZE from end\n");
goto exit;
}
// Check reference function
for (i = 0; i < TEST_SIZE - size; i++)
if (efence_buff2[i] != efence_buff3[i]) {
printf("fail at %d, 0x%x x 0x%d = 0x%x (0x%x)\n",
i, a, efence_buff2[i], efence_buff3[i],
gf_mul_erasure(2, efence_buff1[i]));
goto exit;
}
#ifdef TEST_VERBOSE
putchar('.');
#endif
}
// Test all unsupported sizes up to TEST_SIZE
for (size = 0; size < TEST_SIZE; size++) {
if (size % align != 0 && gf_vect_mul(size, gf_const_tbl, buff1, buff2) == 0) {
printf
("fail expecting nonzero return code for unaligned size param (%d)\n",
size);
goto exit;
}
}
printf(" done: Pass\n");
fflush(0);
ret = 0;
exit:
free(buff1);
free(buff2);
free(buff3);
return ret;
}
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