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authorArtem Bityutskiy <artem.bityutskiy@linux.intel.com>2012-11-16 09:52:21 +0200
committerArtem Bityutskiy <artem.bityutskiy@linux.intel.com>2012-11-16 09:52:21 +0200
commit98ed9f3360bb5cbfb02d2cb82ee3167fce437772 (patch)
tree1d174314cb22a079eb27575564b406b7be016102 /tests/ubi-tests/common.c
parentc557e71b1070e3282156c0466462975a95d0d05c (diff)
ubi-tests: rename common.[ch] to helpers.[ch]
... to avoid confusion when the local common.h shadows the top-level common.h. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Diffstat (limited to 'tests/ubi-tests/common.c')
-rw-r--r--tests/ubi-tests/common.c365
1 files changed, 0 insertions, 365 deletions
diff --git a/tests/ubi-tests/common.c b/tests/ubi-tests/common.c
deleted file mode 100644
index a64ea75..0000000
--- a/tests/ubi-tests/common.c
+++ /dev/null
@@ -1,365 +0,0 @@
-/*
- * Copyright (c) International Business Machines Corp., 2006
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * Author: Artem B. Bityutskiy
- *
- * The stuff which is common for many tests.
- */
-
-#include <stdarg.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <errno.h>
-#include <string.h>
-#include <unistd.h>
-#include <limits.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/time.h>
-#include <fcntl.h>
-#include "libubi.h"
-#include "common.h"
-
-/**
- * __initial_check - check that common prerequisites which are required to run
- * tests.
- *
- * @test test name
- * @argc count of command-line arguments
- * @argv command-line arguments
- *
- * This function returns %0 if all is fine and test may be run and %-1 if not.
- */
-int __initial_check(const char *test, int argc, char * const argv[])
-{
- libubi_t libubi;
- struct ubi_dev_info dev_info;
-
- /*
- * All tests require UBI character device name as the first parameter,
- * check this.
- */
- if (argc < 2) {
- __errmsg(test, __func__, __LINE__,
- "UBI character device node is not specified");
- return -1;
- }
-
- libubi = libubi_open();
- if (libubi == NULL) {
- __failed(test, __func__, __LINE__, "libubi_open");
- return -1;
- }
-
- if (ubi_get_dev_info(libubi, argv[1], &dev_info)) {
- __failed(test, __func__, __LINE__, "ubi_get_dev_info");
- goto close;
- }
-
- if (dev_info.avail_lebs < MIN_AVAIL_EBS) {
- __errmsg(test, __func__, __LINE__,
- "insufficient available eraseblocks %d on UBI "
- "device, required %d",
- dev_info.avail_lebs, MIN_AVAIL_EBS);
- goto close;
- }
-
- if (dev_info.vol_count != 0) {
- __errmsg(test, __func__, __LINE__,
- "device %s is not empty", argv[1]);
- goto close;
- }
-
- libubi_close(libubi);
- return 0;
-
-close:
- libubi_close(libubi);
- return -1;
-}
-
-/**
- * __errmsg - print a message to stderr.
- *
- * @test test name
- * @func function name
- * @line line number
- * @fmt format string
- */
-void __errmsg(const char *test, const char *func, int line,
- const char *fmt, ...)
-{
- va_list args;
-
- fprintf(stderr, "[%s] %s():%d: ", test, func, line);
- va_start(args, fmt);
- vfprintf(stderr, fmt, args);
- fprintf(stderr, "\n");
- va_end(args);
-}
-
-/**
- * __failed - print function fail message.
- *
- * @test test name
- * @func calling function name
- * @line line number
- * @failed failed function name
- */
-void __failed(const char *test, const char *func, int line,
- const char *failed)
-{
- fprintf(stderr, "[%s] %s():%d: function %s() failed with error %d (%s)\n",
- test, func, line, failed, errno, strerror(errno));
-}
-
-/**
- * __check_volume - check volume information.
- *
- * @libubi libubi descriptor
- * @dev_info UBI device description
- * @test test name
- * @func function name
- * @line line number
- * @vol_id ID of existing volume to check
- * @req volume creation request to compare with
- *
- * This function checks if a volume created using @req request has exactly the
- * requested characteristics. Returns 0 in case of success and %-1 in case of
- * error.
- */
-int __check_volume(libubi_t libubi, struct ubi_dev_info *dev_info,
- const char *test, const char *func, int line, int vol_id,
- const struct ubi_mkvol_request *req)
-{
- int ret;
- struct ubi_vol_info vol_info;
- int leb_size;
- long long rsvd_bytes;
-
- ret = ubi_get_vol_info1(libubi, dev_info->dev_num, vol_id, &vol_info);
- if (ret) {
- __failed(test, func, line, "ubi_get_vol_info");
- return -1;
- }
-
- if (req->alignment != vol_info.alignment) {
- __errmsg(test, func, line,
- "bad alignment: requested %d, got %d",
- req->alignment, vol_info.alignment);
- return -1;
- }
- if (req->vol_type != vol_info.type) {
- __errmsg(test, func, line, "bad type: requested %d, got %d",
- req->vol_type, vol_info.type);
- return -1;
- }
- if (strlen(req->name) != strlen(vol_info.name) ||
- strcmp(req->name, vol_info.name) != 0) {
- __errmsg(test, func, line,
- "bad name: requested \"%s\", got \"%s\"",
- req->name, vol_info.name);
- return -1;
- }
- if (vol_info.corrupted) {
- __errmsg(test, func, line, "corrupted new volume");
- return -1;
- }
-
- leb_size = dev_info->leb_size - (dev_info->leb_size % req->alignment);
- if (leb_size != vol_info.leb_size) {
- __errmsg(test, func, line,
- "bad usable LEB size %d, should be %d",
- vol_info.leb_size, leb_size);
- return -1;
- }
-
- rsvd_bytes = req->bytes;
- if (rsvd_bytes % leb_size)
- rsvd_bytes += leb_size - (rsvd_bytes % leb_size);
-
- if (rsvd_bytes != vol_info.rsvd_bytes) {
- __errmsg(test, func, line,
- "bad reserved bytes %lld, should be %lld",
- vol_info.rsvd_bytes, rsvd_bytes);
- return -1;
- }
-
- return 0;
-}
-
-/**
- * __check_vol_patt - check that volume contains certain data
- *
- * @libubi libubi descriptor
- * @test test name
- * @func function name
- * @line line number
- * @node volume character device node
- * @byte data pattern to check
- *
- * This function returns %0 if the volume contains only @byte bytes, and %-1 if
- * not.
- */
-int __check_vol_patt(libubi_t libubi, const char *test, const char *func,
- int line, const char *node, uint8_t byte)
-{
- int ret, fd;
- long long bytes = 0;
- struct ubi_vol_info vol_info;
- unsigned char buf[512];
-
- fd = open(node, O_RDONLY);
- if (fd == -1) {
- __failed(test, func, line, "open");
- __errmsg(test, func, line, "cannot open \"%s\"\n", node);
- return -1;
- }
-
- ret = ubi_get_vol_info(libubi, node, &vol_info);
- if (ret) {
- __failed(test, func, line, "ubi_get_vol_info");
- goto close;
- }
-
- while (bytes < vol_info.data_bytes) {
- int i;
-
- memset(buf, ~byte, 512);
- ret = read(fd, buf, 512);
- if (ret == -1) {
- __failed(test, func, line, "read");
- __errmsg(test, func, line, "bytes = %lld, ret = %d",
- bytes, ret);
- goto close;
- }
-
- if (ret == 0 && bytes + ret < vol_info.data_bytes) {
- __errmsg(test, func, line,
- "EOF, but read only %lld bytes of %lld",
- bytes + ret, vol_info.data_bytes);
- goto close;
- }
-
- for (i = 0; i < ret; i++)
- if (buf[i] != byte) {
- __errmsg(test, func, line,
- "byte at %lld is not %#x but %#x",
- bytes + i, byte, (int)buf[i]);
- goto close;
- }
-
- bytes += ret;
- }
-
- close(fd);
- return 0;
-
-close:
- close(fd);
- return -1;
-}
-
-/**
- * __update_vol_patt - update volume using a certain byte pattern
- *
- * @libubi libubi descriptor
- * @dev_info UBI device description
- * @test test name
- * @func function name
- * @line line number
- * @node volume character device node
- * @byte data pattern to check
- *
- * This function returns %0 in case of success, and %-1 if in case of failure.
- */
-int __update_vol_patt(libubi_t libubi, const char *test, const char *func,
- int line, const char *node, long long bytes, uint8_t byte)
-{
- int ret, fd;
- long long written = 0;
- unsigned char buf[512];
-
- fd = open(node, O_RDWR);
- if (fd == -1) {
- __failed(test, func, line, "open");
- __errmsg(test, func, line, "cannot open \"%s\"\n", node);
- return -1;
- }
-
- if (ubi_update_start(libubi, fd, bytes)) {
- __failed(test, func, line, "ubi_update_start");
- __errmsg(test, func, line, "bytes = %lld", bytes);
- goto close;
- }
-
- memset(buf, byte, 512);
-
- while (written != bytes) {
- ret = write(fd, buf, 512);
- if (ret == -1) {
- __failed(test, func, line, "write");
- __errmsg(test, func, line, "written = %lld, ret = %d",
- written, ret);
- goto close;
- }
- written += ret;
-
- if (written > bytes) {
- __errmsg(test, func, line, "update length %lld bytes, "
- "but %lld bytes are already written",
- bytes, written);
- goto close;
- }
- }
-
- close(fd);
- return 0;
-
-close:
- close(fd);
- return -1;
-}
-
-/**
- * seed_random_generator - randomly seed the standard pseudo-random generator.
- *
- * This helper function seeds the standard libc pseudo-random generator with a
- * more or less random value to make sure the 'rand()' call does not return the
- * same sequence every time UBI utilities run. Returns the random seed in case
- * of success and a %-1 in case of error.
- */
-int seed_random_generator(void)
-{
- struct timeval tv;
- struct timezone tz;
- int seed;
-
- /*
- * Just assume that a combination of the PID + current time is a
- * reasonably random number.
- */
- if (gettimeofday(&tv, &tz))
- return -1;
-
- seed = (unsigned int)tv.tv_sec;
- seed += (unsigned int)tv.tv_usec;
- seed *= getpid();
- seed %= INT_MAX;
- srand(seed);
- return seed;
-}