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/****************************************************************************
* net/iob/iob_test.c
* Unit test driver. This is of historical interest only since it requires
* and custom build setup and modifications to the iob source and header
* files.
*
* Copyright (C) 2014 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name NuttX 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <stdint.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "iob.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
uint8_t buffer1[16384];
uint8_t buffer2[16384];
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
static void dump_chain(struct iob_s *iob)
{
struct iob_s *head = iob;
unsigned int pktlen;
int n;
printf("=========================================================\n");
printf("pktlen: %d\n", iob->io_pktlen);
n = 0;
pktlen = 0;
while (iob)
{
printf("%d. len=%d, offset=%d\n", n, iob->io_len, iob->io_offset);
pktlen += iob->io_len;
iob = iob->io_flink;
n++;
}
if (pktlen != head->io_pktlen)
{
printf("ERROR: Bad packet length=%u, actual=%u\n",
head->io_pktlen, pktlen);
}
printf("=========================================================\n");
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: main
*
* Description:
* A simple unit test for the I/O buffer logic
*
****************************************************************************/
int main(int argc, char **argv)
{
struct iob_s *iob;
int nbytes;
int i;
iob_initialize();
iob = iob_alloc(false);
for (i = 0; i < 4096; i++)
{
buffer1[i] = (uint8_t)(i & 0xff);
}
memset(buffer2, 0xff, 4096);
iob_copyin(iob, buffer2, 47, 0, false);
printf("Copy IN: 47, offset 0\n");
dump_chain(iob);
iob_copyin(iob, buffer1, 4096, 47, false);
printf("Copy IN: 4096, offset 47\n");
dump_chain(iob);
nbytes = iob_copyout(buffer2, iob, 4096, 47);
printf("Copy OUT: %d, offset 47\n", nbytes);
if (memcmp(buffer1, buffer2, nbytes) != 0)
{
fprintf(stderr, "Buffer1 does not match buffer2\n");
}
iob = iob_trimhead(iob, 47);
printf("Trim: 47 from the beginning of the list\n");
dump_chain(iob);
iob = iob_trimtail(iob, 493);
printf("Trim: 493 from the end of the list\n");
dump_chain(iob);
nbytes = iob_copyout(buffer2, iob, 4096, 0);
printf("Copy OUT: %d, offset 0\n", nbytes);
if (memcmp(buffer1, buffer2, nbytes) != 0)
{
fprintf(stderr, "Buffer1 does not match buffer2\n");
}
iob = iob_trimhead(iob, 1362);
printf("Trim: 1362 from the beginning of the list\n");
dump_chain(iob);
nbytes = iob_copyout(buffer2, iob, 4096, 0);
printf("Copy OUT: %d, offset 0\n", nbytes);
if (memcmp(&buffer1[1362], buffer2, nbytes) != 0)
{
fprintf(stderr, "Buffer1 does not match buffer2\n");
}
iob = iob_pack(iob);
printf("Packed\n");
dump_chain(iob);
nbytes = iob_copyout(buffer2, iob, 4096, 0);
printf("Copy OUT: %d, offset 0\n", nbytes);
if (memcmp(&buffer1[1362], buffer2, nbytes) != 0)
{
fprintf(stderr, "Buffer1 does not match buffer2\n");
}
while (iob) iob = iob_free(iob);
return EXIT_SUCCESS;
}
/****************************************************************************
* Name: my_assert
*
* Description:
* A stand-in for the NuttX assertion routine.
*
****************************************************************************/
void my_assert(bool value)
{
if (!value)
{
fprintf(stderr, "Assertion failed\n");
abort();
}
}
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