forked from Archive/PX4-Autopilot
tests: added "tests file2" filesystem test
this is useful for testing for filesystem corruption on cluster boundaries
This commit is contained in:
Andrew Tridgell
Lorenz Meier
parent
b76e26c5e5
commit
a7012a5418
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@ -26,6 +26,7 @@ SRCS = test_adc.c \
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test_mixer.cpp \
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test_mathlib.cpp \
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test_file.c \
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test_file2.c \
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tests_main.c \
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test_param.c \
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test_ppm_loopback.c \
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@ -0,0 +1,196 @@
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/****************************************************************************
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*
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* Copyright (C) 2012 PX4 Development Team. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name PX4 nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/**
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* @file test_file2.c
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*
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* File write test.
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*/
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#include <sys/stat.h>
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#include <dirent.h>
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#include <stdio.h>
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#include <stddef.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <systemlib/err.h>
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#include <systemlib/perf_counter.h>
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#include <string.h>
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#include <stdlib.h>
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#include <getopt.h>
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#define FLAG_FSYNC 1
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#define FLAG_LSEEK 2
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/*
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return a predictable value for any file offset to allow detection of corruption
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*/
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static uint8_t get_value(uint32_t ofs)
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{
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union {
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uint32_t ofs;
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uint8_t buf[4];
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} u;
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u.ofs = ofs;
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return u.buf[ofs % 4];
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}
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static void test_corruption(const char *filename, uint32_t write_chunk, uint32_t write_size, uint16_t flags)
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{
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printf("Testing on %s with write_chunk=%u write_size=%u\n",
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filename, (unsigned)write_chunk, (unsigned)write_size);
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uint32_t ofs = 0;
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int fd = open(filename, O_CREAT | O_RDWR | O_TRUNC);
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if (fd == -1) {
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perror(filename);
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exit(1);
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}
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// create a file of size write_size, in write_chunk blocks
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uint8_t counter = 0;
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while (ofs < write_size) {
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uint8_t buffer[write_chunk];
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for (uint16_t j=0; j<write_chunk; j++) {
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buffer[j] = get_value(ofs);
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ofs++;
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}
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if (write(fd, buffer, sizeof(buffer)) != sizeof(buffer)) {
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printf("write failed at offset %u\n", ofs);
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exit(1);
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}
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if (flags & FLAG_FSYNC) {
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fsync(fd);
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}
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if (counter % 100 == 0) {
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printf("write ofs=%u\r", ofs);
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}
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counter++;
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}
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close(fd);
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printf("write ofs=%u\n", ofs);
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// read and check
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fd = open(filename, O_RDONLY);
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if (fd == -1) {
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perror(filename);
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exit(1);
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}
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counter = 0;
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ofs = 0;
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while (ofs < write_size) {
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uint8_t buffer[write_chunk];
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if (counter % 100 == 0) {
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printf("read ofs=%u\r", ofs);
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}
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counter++;
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if (read(fd, buffer, sizeof(buffer)) != sizeof(buffer)) {
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printf("read failed at offset %u\n", ofs);
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exit(1);
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}
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for (uint16_t j=0; j<write_chunk; j++) {
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if (buffer[j] != get_value(ofs)) {
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printf("corruption at ofs=%u got %u\n", ofs, buffer[j]);
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exit(1);
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}
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ofs++;
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}
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if (flags & FLAG_LSEEK) {
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lseek(fd, 0, SEEK_CUR);
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}
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}
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printf("read ofs=%u\n", ofs);
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close(fd);
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unlink(filename);
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printf("All OK\n");
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}
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static void usage(void)
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{
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printf("test file2 [options] [filename]\n");
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printf("\toptions:\n");
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printf("\t-s SIZE set file size\n");
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printf("\t-c CHUNK set IO chunk size\n");
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printf("\t-F fsync on every write\n");
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printf("\t-L lseek on every read\n");
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}
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int test_file2(int argc, char *argv[])
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{
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int opt;
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uint16_t flags = 0;
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const char *filename = "/fs/microsd/testfile2.dat";
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uint32_t write_chunk = 64;
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uint32_t write_size = 5*1024;
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while ((opt = getopt(argc, argv, "c:s:FLh")) != EOF) {
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switch (opt) {
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case 'F':
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flags |= FLAG_FSYNC;
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break;
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case 'L':
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flags |= FLAG_LSEEK;
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break;
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case 's':
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write_size = strtoul(optarg, NULL, 0);
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break;
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case 'c':
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write_chunk = strtoul(optarg, NULL, 0);
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break;
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case 'h':
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default:
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usage();
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exit(1);
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}
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}
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argc -= optind;
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argv += optind;
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if (argc > 0) {
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filename = argv[0];
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}
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/* check if microSD card is mounted */
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struct stat buffer;
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if (stat("/fs/microsd/", &buffer)) {
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warnx("no microSD card mounted, aborting file test");
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return 1;
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}
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test_corruption(filename, write_chunk, write_size, flags);
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return 0;
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}
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@ -107,6 +107,7 @@ extern int test_jig_voltages(int argc, char *argv[]);
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extern int test_param(int argc, char *argv[]);
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extern int test_bson(int argc, char *argv[]);
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extern int test_file(int argc, char *argv[]);
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extern int test_file2(int argc, char *argv[]);
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extern int test_mixer(int argc, char *argv[]);
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extern int test_rc(int argc, char *argv[]);
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extern int test_conv(int argc, char *argv[]);
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@ -104,6 +104,7 @@ const struct {
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{"param", test_param, 0},
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{"bson", test_bson, 0},
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{"file", test_file, 0},
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{"file2", test_file2, OPT_NOJIGTEST | OPT_NOALLTEST},
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{"mixer", test_mixer, OPT_NOJIGTEST | OPT_NOALLTEST},
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{"rc", test_rc, OPT_NOJIGTEST | OPT_NOALLTEST},
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{"conv", test_conv, OPT_NOJIGTEST | OPT_NOALLTEST},
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