/****************************************************************************
* mount_main.c
*
* Copyright (C) 2007 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* 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 Gregory Nutt 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 <sys/mount.h>
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <fcntl.h>
#include <errno.h>
/****************************************************************************
* Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
static const char g_source[] = "/dev/blkdev";
static const char g_target[] = "/mnt/fs";
static const char g_filesystemtype[] = "vfat";
static const char g_testdir1[] = "/mnt/fs/TestDir";
static const char g_testfile1[] = "/mnt/fs/TestDir/TestFile.txt";
static const char g_testfile2[] = "/mnt/fs/TestDir/WritTest.txt";
static const char g_testmsg[] = "This is a write test";
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: user_initialize
****************************************************************************/
void user_initialize(void)
{
}
/****************************************************************************
* Name: user_start
****************************************************************************/
int user_start(int argc, char *argv[])
{
char buffer[128];
int nbytes;
int ret;
/* Mount the test file system (see arch/sim/src/up_deviceimage.c */
printf("main: mounting %s filesystem at target=%s with source=%s\n",
g_filesystemtype, g_target, g_source);
ret = mount(g_source, g_target, g_filesystemtype, 0, NULL);
printf("main: mount() returned %d\n", ret);
if (ret == 0)
{
/* Read a test file that is already on the test file system image */
printf("main: opening %s for reading\n", g_testfile1);
int fd = open(g_testfile1, O_RDONLY);
if (fd < 0)
{
printf("main: ERROR failed to open %s, errno=%d\n",
g_testfile1, *get_errno_ptr());
}
else
{
memset(buffer, 0, 128);
nbytes = read(fd, buffer, 128);
if (nbytes < 0)
{
printf("main: ERROR failed to read from %s, errno=%d\n",
g_testfile1, *get_errno_ptr());
}
else
{
buffer[127]='\0';
printf("main: Read \"%s\" from %s\n", buffer, g_testfile1);
}
close(fd);
}
/* Write a test file into a pre-existing file on the test file system */
printf("main: opening %s for writing\n", g_testfile2);
fd = open(g_testfile2, O_WRONLY|O_CREAT|O_TRUNC, 0644);
if (fd < 0)
{
printf("main: ERROR failed to open %s for writing, errno=%d\n",
g_testfile2, *get_errno_ptr());
}
else
{
int nbytes = write(fd, g_testmsg, strlen(g_testmsg));
if (nbytes < 0)
{
printf("main: ERROR failed to write to %s, errno=%d\n",
g_testfile2, *get_errno_ptr());
}
else
{
printf("main: wrote %d bytes to %s\n", nbytes, g_testfile2);
}
close(fd);
}
/* Read the file that we just wrote */
printf("main: opening %s for reading\n", g_testfile2);
fd = open(g_testfile2, O_RDONLY);
if (fd < 0)
{
printf("main: ERRORfailed to open %s for reading, errno=%d\n",
g_testfile2, *get_errno_ptr());
}
else
{
memset(buffer, 0, 128);
nbytes = read(fd, buffer, 128);
if (nbytes < 0)
{
printf("main: ERROR failed to read from %s, errno=%d\n",
g_testfile2, *get_errno_ptr());
}
else
{
buffer[127]='\0';
printf("main: Read \"%s\" from %s\n", buffer, g_testfile2);
}
close(fd);
}
/* Try rmdir() against a file on the directory. It should fail with ENOTDIR */
printf("main: Try rmdir(%s)\n", g_testfile1);
ret = rmdir(g_testfile1);
if (ret == 0)
{
printf("main: ERROR rmdir(%s) succeeded\n", g_testfile1);
}
else if (*get_errno_ptr() != ENOTDIR)
{
printf("main: ERROR rmdir(%s) failed with errno=%d\n",
g_testfile1, *get_errno_ptr());
}
/* Try rmdir() against the test directory. It should fail with ENOTEMPTY */
printf("main: Try rmdir(%s)\n", g_testdir1);
ret = rmdir(g_testdir1);
if (ret == 0)
{
printf("main: ERROR rmdir(%s) succeeded\n", g_testdir1);
}
else if (*get_errno_ptr() != ENOTEMPTY)
{
printf("main: ERROR rmdir(%s) failed with errno=%d\n",
g_testdir1, *get_errno_ptr());
}
/* Try unlink() against the test directory. It should fail with EISDIR */
printf("main: Try unlink(%s)\n", g_testdir1);
ret = unlink(g_testdir1);
if (ret == 0)
{
printf("main: ERROR unlink(%s) succeeded\n", g_testdir1);
}
else if (*get_errno_ptr() != EISDIR)
{
printf("main: ERROR unlink(%s) failed with errno=%d\n",
g_testdir1, *get_errno_ptr());
}
/* Try unlink() against the test file1. It should succeed. */
printf("main: Try unlink(%s)\n", g_testfile1);
ret = unlink(g_testfile1);
if (ret != 0)
{
printf("main: ERROR unlink(%s) failed with errno=%d\n",
g_testfile1, *get_errno_ptr());
}
/* Attempt to open testfile1 should fail with ENOENT */
printf("main: Try open(%s) for reading\n", g_testfile1);
fd = open(g_testfile1, O_RDONLY);
if (fd >= 0)
{
printf("main: ERROR open(%s) succeeded\n", g_testfile1);
close(fd);
}
else if (*get_errno_ptr() != ENOENT)
{
printf("main: ERROR open(%s) failed with errno=%d\n",
g_testfile1, *get_errno_ptr());
}
/* Try rmdir() against the test directory. It should still fail with ENOTEMPTY */
printf("main: Try rmdir(%s)\n", g_testdir1);
ret = rmdir(g_testdir1);
if (ret == 0)
{
printf("main: ERROR rmdir(%s) succeeded\n", g_testdir1);
}
else if (*get_errno_ptr() != ENOTEMPTY)
{
printf("main: ERROR rmdir(%s) failed with errno=%d\n",
g_testdir1, *get_errno_ptr());
}
/* Try unlink() against the test file2. It should succeed. */
printf("main: Try unlink(%s)\n", g_testfile2);
ret = unlink(g_testfile2);
if (ret != 0)
{
printf("main: ERROR unlink(%s) failed with errno=%d\n",
g_testfile2, *get_errno_ptr());
}
/* Try rmdir() against the test directory. It should now succeed. */
printf("main: Try rmdir(%s)\n", g_testdir1);
ret = rmdir(g_testdir1);
if (ret != 0)
{
printf("main: ERROR rmdir(%s) failed with errno=%d\n",
g_testdir1, *get_errno_ptr());
}
/* Unmount the file system */
printf("main: Try unmount(%s)\n", g_target);
ret = umount(g_target);
if (ret != 0)
{
printf("main: ERROR umount() failed, errno %d\n", *get_errno_ptr());
}
}
fflush(stdout);
return 0;
}
