apps/examples/userfs: Add a test case for verifying UserFS.
This commit is contained in:
Gregory Nutt
parent
6b9d23c6aa
commit
769ffb8a4b
@ -2127,6 +2127,11 @@ examples/usbserial
|
|||||||
The host and target will exchange are variety of very small and very large
|
The host and target will exchange are variety of very small and very large
|
||||||
serial messages.
|
serial messages.
|
||||||
|
|
||||||
|
examples/userfs
|
||||||
|
^^^^^^^^^^^^^^^
|
||||||
|
|
||||||
|
A simple test of the UserFS file system.
|
||||||
|
|
||||||
examples/ustream
|
examples/ustream
|
||||||
^^^^^^^^^^^^^^^^
|
^^^^^^^^^^^^^^^^
|
||||||
|
|
||||||
|
|||||||
11
examples/userfs/.gitignore
vendored
Normal file
11
examples/userfs/.gitignore
vendored
Normal file
@ -0,0 +1,11 @@
|
|||||||
|
/Make.dep
|
||||||
|
/.depend
|
||||||
|
/.built
|
||||||
|
/*.asm
|
||||||
|
/*.obj
|
||||||
|
/*.rel
|
||||||
|
/*.lst
|
||||||
|
/*.sym
|
||||||
|
/*.adb
|
||||||
|
/*.lib
|
||||||
|
/*.src
|
||||||
30
examples/userfs/Kconfig
Normal file
30
examples/userfs/Kconfig
Normal file
@ -0,0 +1,30 @@
|
|||||||
|
#
|
||||||
|
# For a description of the syntax of this configuration file,
|
||||||
|
# see the file kconfig-language.txt in the NuttX tools repository.
|
||||||
|
#
|
||||||
|
|
||||||
|
config EXAMPLES_USERFS
|
||||||
|
bool "UserFS test"
|
||||||
|
default n
|
||||||
|
---help---
|
||||||
|
Enables a simple test of the UserFS
|
||||||
|
|
||||||
|
if EXAMPLES_USERFS
|
||||||
|
|
||||||
|
config EXAMPLES_USERFS_PROGNAME
|
||||||
|
string "Program name"
|
||||||
|
default "userfs"
|
||||||
|
depends on BUILD_KERNEL
|
||||||
|
---help---
|
||||||
|
This is the name of the program that will be use when the NSH ELF
|
||||||
|
program is installed.
|
||||||
|
|
||||||
|
config EXAMPLES_USERFS_PRIORITY
|
||||||
|
int "UserFS task priority"
|
||||||
|
default 100
|
||||||
|
|
||||||
|
config EXAMPLES_USERFS_STACKSIZE
|
||||||
|
int "UserFS stack size"
|
||||||
|
default 2048
|
||||||
|
|
||||||
|
endif
|
||||||
39
examples/userfs/Make.defs
Normal file
39
examples/userfs/Make.defs
Normal file
@ -0,0 +1,39 @@
|
|||||||
|
############################################################################
|
||||||
|
# apps/examples/userfs/Make.defs
|
||||||
|
# Adds selected applications to apps/ build
|
||||||
|
#
|
||||||
|
# Copyright (C) 2015 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.
|
||||||
|
#
|
||||||
|
############################################################################
|
||||||
|
|
||||||
|
ifeq ($(CONFIG_EXAMPLES_USERFS),y)
|
||||||
|
CONFIGURED_APPS += examples/userfs
|
||||||
|
endif
|
||||||
56
examples/userfs/Makefile
Normal file
56
examples/userfs/Makefile
Normal file
@ -0,0 +1,56 @@
|
|||||||
|
############################################################################
|
||||||
|
# apps/examples/userfs/Makefile
|
||||||
|
#
|
||||||
|
# Copyright (C) 2017 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.
|
||||||
|
#
|
||||||
|
############################################################################
|
||||||
|
|
||||||
|
-include $(TOPDIR)/Make.defs
|
||||||
|
|
||||||
|
# UserFS test application info
|
||||||
|
|
||||||
|
CONFIG_EXAMPLES_USERFS_PRIORITY ?= SCHED_PRIORITY_DEFAULT
|
||||||
|
CONFIG_EXAMPLES_USERFS_STACKSIZE ?= 2048
|
||||||
|
|
||||||
|
APPNAME = userfs
|
||||||
|
PRIORITY = $(CONFIG_EXAMPLES_USERFS_PRIORITY)
|
||||||
|
STACKSIZE = $(CONFIG_EXAMPLES_USERFS_STACKSIZE)
|
||||||
|
|
||||||
|
# UserFS test application source files
|
||||||
|
|
||||||
|
ASRCS =
|
||||||
|
CSRCS =
|
||||||
|
MAINSRC = userfs_main.c
|
||||||
|
|
||||||
|
CONFIG_EXAMPLES_USERFS_PROGNAME ?= userfs$(EXEEXT)
|
||||||
|
PROGNAME = $(CONFIG_EXAMPLES_USERFS_PROGNAME)
|
||||||
|
|
||||||
|
include $(APPDIR)/Application.mk
|
||||||
554
examples/userfs/userfs_main.c
Normal file
554
examples/userfs/userfs_main.c
Normal file
@ -0,0 +1,554 @@
|
|||||||
|
/****************************************************************************
|
||||||
|
* examples/userfs/userfs_main.c
|
||||||
|
*
|
||||||
|
* Copyright (C) 2017 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 <nuttx/config.h>
|
||||||
|
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include <stdio.h>
|
||||||
|
#include <string.h>
|
||||||
|
#include <fcntl.h>
|
||||||
|
#include <dirent.h>
|
||||||
|
#include <errno.h>
|
||||||
|
|
||||||
|
#include <nuttx/fs/userfs.h>
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Pre-processor Definitions
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
#define UFSTEST_NFILES 3
|
||||||
|
#define UFSTEST_FS_BLOCKSIZE 32
|
||||||
|
|
||||||
|
#define UFSTEST_FILE1_BLOCKS (2)
|
||||||
|
#define UFSTEST_FILE1_MXSIZE (UFSTEST_FILE1_BLOCKS * UFSTEST_FS_BLOCKSIZE)
|
||||||
|
#define UFSTEST_FILE2_BLOCKS (3)
|
||||||
|
#define UFSTEST_FILE2_MXSIZE (UFSTEST_FILE2_BLOCKS * UFSTEST_FS_BLOCKSIZE)
|
||||||
|
#define UFSTEST_FILE3_BLOCKS (4)
|
||||||
|
#define UFSTEST_FILE3_MXSIZE (UFSTEST_FILE3_BLOCKS * UFSTEST_FS_BLOCKSIZE)
|
||||||
|
|
||||||
|
#define UFSTEST_FS_NBLOCKS (UFSTEST_FILE1_BLOCKS + UFSTEST_FILE2_BLOCKS + UFSTEST_FILE3_BLOCKS)
|
||||||
|
#define UFSTEST_FS_NBYTES (UFSTEST_FILE1_MXSIZE + UFSTEST_FILE2_MXSIZE + UFSTEST_FILE3_MXSIZE)
|
||||||
|
#define UFSTEST_MXWRITE UFSTEST_FILE3_MXSIZE
|
||||||
|
|
||||||
|
#define UFSTEST_MOUNTPOUNT "/mnt/ufstest"
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Private Types
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
struct ufstest_file_s
|
||||||
|
{
|
||||||
|
struct dirent entry;
|
||||||
|
uint16_t inuse;
|
||||||
|
uint16_t mxsize;
|
||||||
|
FAR char *data;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct ufstest_openfile_s
|
||||||
|
{
|
||||||
|
int16_t pos;
|
||||||
|
FAR struct ufstest_file_s *file;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct ufstest_opendir_s
|
||||||
|
{
|
||||||
|
int16_t index;
|
||||||
|
};
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Private Function Prototypes
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
/* UserFS methods */
|
||||||
|
|
||||||
|
static int ufstest_open(FAR void *volinfo, FAR const char *relpath,
|
||||||
|
int oflags, mode_t mode, FAR void **openinfo);
|
||||||
|
static int ufstest_close(FAR void *volinfo, FAR void *openinfo);
|
||||||
|
static ssize_t ufstest_read(FAR void *volinfo, FAR void *openinfo,
|
||||||
|
FAR char *buffer, size_t buflen);
|
||||||
|
static ssize_t ufstest_write(FAR void *volinfo, FAR void *openinfo,
|
||||||
|
FAR const char *buffer, size_t buflen);
|
||||||
|
static off_t ufstest_seek(FAR void *volinfo, FAR void *openinfo,
|
||||||
|
off_t offset, int whence);
|
||||||
|
static int ufstest_ioctl(FAR void *volinfo, FAR void *openinfo, int cmd,
|
||||||
|
unsigned long arg);
|
||||||
|
static int ufstest_sync(FAR void *volinfo, FAR void *openinfo);
|
||||||
|
static int ufstest_dup(FAR void *volinfo, FAR void *oldinfo,
|
||||||
|
FAR void *newinfo);
|
||||||
|
static int ufstest_fstat(FAR void *volinfo, FAR void *openinfo,
|
||||||
|
FAR struct stat *buf);
|
||||||
|
static int ufstest_opendir(FAR void *volinfo, FAR const char *relpath,
|
||||||
|
FAR void **dir);
|
||||||
|
static int ufstest_closedir(FAR void *volinfo, FAR void *dir);
|
||||||
|
static int ufstest_readdir(FAR void *volinfo, FAR void *dir,
|
||||||
|
FAR struct dirent *entry);
|
||||||
|
static int ufstest_rewinddir(FAR void *volinfo, FAR void *dir);
|
||||||
|
static int ufstest_statfs(FAR void *volinfo, FAR struct statfs *buf);
|
||||||
|
static int ufstest_unlink(FAR void *volinfo, FAR const char *relpath);
|
||||||
|
static int ufstest_mkdir(FAR void *volinfo, FAR const char *relpath,
|
||||||
|
mode_t mode);
|
||||||
|
static int ufstest_rmdir(FAR void *volinfo, FAR const char *relpath);
|
||||||
|
static int ufstest_rename(FAR void *volinfo, FAR const char *oldrelpath,
|
||||||
|
FAR const char *newrelpath);
|
||||||
|
static int ufstest_stat(FAR void *volinfo, FAR const char *relpath,
|
||||||
|
FAR struct stat *buf);
|
||||||
|
static int ufstest_destroy(FAR void *volinfo);
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Private Data
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
static char g_file1_data[UFSTEST_FILE1_MXSIZE] = "This is file 1";
|
||||||
|
#define UFSTEST_INIT_FILE1_SIZE 14
|
||||||
|
|
||||||
|
static char g_file2_data[UFSTEST_FILE2_MXSIZE] = "This is file 2";
|
||||||
|
#define UFSTEST_INIT_FILE2_SIZE 14
|
||||||
|
|
||||||
|
static char g_file3_data[UFSTEST_FILE3_MXSIZE] = "This is file 3";
|
||||||
|
#define UFSTEST_INIT_FILE3_SIZE 14
|
||||||
|
|
||||||
|
static struct ufstest_file_s g_rootdir[UFSTEST_NFILES] =
|
||||||
|
{
|
||||||
|
{
|
||||||
|
{ DTYPE_FILE, "File1" },
|
||||||
|
UFSTEST_INIT_FILE1_SIZE,
|
||||||
|
UFSTEST_FILE1_MXSIZE,
|
||||||
|
g_file1_data
|
||||||
|
},
|
||||||
|
{
|
||||||
|
{ DTYPE_FILE, "File2" },
|
||||||
|
UFSTEST_INIT_FILE2_SIZE,
|
||||||
|
UFSTEST_FILE2_MXSIZE,
|
||||||
|
g_file2_data
|
||||||
|
},
|
||||||
|
{
|
||||||
|
{ DTYPE_FILE, "File3" },
|
||||||
|
UFSTEST_INIT_FILE3_SIZE,
|
||||||
|
UFSTEST_FILE3_MXSIZE,
|
||||||
|
g_file3_data
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
static const struct userfs_operations_s g_ufstest_ops =
|
||||||
|
{
|
||||||
|
ufstest_open,
|
||||||
|
ufstest_close,
|
||||||
|
ufstest_read,
|
||||||
|
ufstest_write,
|
||||||
|
ufstest_seek,
|
||||||
|
ufstest_ioctl,
|
||||||
|
ufstest_sync,
|
||||||
|
ufstest_dup,
|
||||||
|
ufstest_fstat,
|
||||||
|
ufstest_opendir,
|
||||||
|
ufstest_closedir,
|
||||||
|
ufstest_readdir,
|
||||||
|
ufstest_rewinddir,
|
||||||
|
ufstest_statfs,
|
||||||
|
ufstest_unlink,
|
||||||
|
ufstest_mkdir,
|
||||||
|
ufstest_rmdir,
|
||||||
|
ufstest_rename,
|
||||||
|
ufstest_stat,
|
||||||
|
ufstest_destroy
|
||||||
|
};
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Public Functions
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: ufstest_findbyname
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
static FAR struct ufstest_file_s *ufstest_findbyname(FAR const char *relpath)
|
||||||
|
{
|
||||||
|
int i;
|
||||||
|
|
||||||
|
for (i = 0; i < UFSTEST_NFILES; i++)
|
||||||
|
{
|
||||||
|
if (strcmp(relpath, g_rootdir[i].entry.d_name) == 0)
|
||||||
|
{
|
||||||
|
return &g_rootdir[i];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* UserFS methods
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
static int ufstest_open(FAR void *volinfo, FAR const char *relpath,
|
||||||
|
int oflags, mode_t mode, FAR void **openinfo)
|
||||||
|
{
|
||||||
|
FAR struct ufstest_openfile_s *opriv;
|
||||||
|
FAR struct ufstest_file_s *file;
|
||||||
|
|
||||||
|
file = ufstest_findbyname(relpath);
|
||||||
|
if (file != NULL)
|
||||||
|
{
|
||||||
|
opriv = (FAR struct ufstest_openfile_s *)
|
||||||
|
malloc(sizeof(struct ufstest_openfile_s ));
|
||||||
|
if (opriv == NULL)
|
||||||
|
{
|
||||||
|
return -ENOMEM;
|
||||||
|
}
|
||||||
|
|
||||||
|
if ((oflags && O_APPEND) != 0)
|
||||||
|
{
|
||||||
|
opriv->pos = file->inuse;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
opriv->pos = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
opriv->file = file;
|
||||||
|
|
||||||
|
*openinfo = opriv;
|
||||||
|
return OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
return -ENOENT;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int ufstest_close(FAR void *volinfo, FAR void *openinfo)
|
||||||
|
{
|
||||||
|
free(openinfo);
|
||||||
|
return OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
static ssize_t ufstest_read(FAR void *volinfo, FAR void *openinfo,
|
||||||
|
FAR char *buffer, size_t buflen)
|
||||||
|
{
|
||||||
|
FAR struct ufstest_openfile_s *opriv =
|
||||||
|
(FAR struct ufstest_openfile_s *)openinfo;
|
||||||
|
ssize_t readsize;
|
||||||
|
|
||||||
|
readsize = opriv->file->inuse - opriv->pos;
|
||||||
|
if (readsize > buflen)
|
||||||
|
{
|
||||||
|
readsize = buflen;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (readsize > 0)
|
||||||
|
{
|
||||||
|
memcpy(buffer, &opriv->file->data[opriv->pos], readsize);
|
||||||
|
opriv->pos += readsize;
|
||||||
|
}
|
||||||
|
|
||||||
|
return readsize <= 0 ? 0 : readsize;
|
||||||
|
}
|
||||||
|
|
||||||
|
static ssize_t ufstest_write(FAR void *volinfo, FAR void *openinfo,
|
||||||
|
FAR const char *buffer, size_t buflen)
|
||||||
|
{
|
||||||
|
FAR struct ufstest_openfile_s *opriv =
|
||||||
|
(FAR struct ufstest_openfile_s *)openinfo;
|
||||||
|
ssize_t writesize;
|
||||||
|
|
||||||
|
writesize = opriv->file->mxsize - opriv->pos;
|
||||||
|
if (writesize > buflen)
|
||||||
|
{
|
||||||
|
writesize = buflen;
|
||||||
|
}
|
||||||
|
|
||||||
|
memcpy(&opriv->file->data[opriv->pos], buffer, writesize);
|
||||||
|
opriv->pos += writesize;
|
||||||
|
if (opriv->pos > opriv->file->inuse)
|
||||||
|
{
|
||||||
|
opriv->file->inuse = opriv->pos;
|
||||||
|
}
|
||||||
|
|
||||||
|
return writesize;
|
||||||
|
}
|
||||||
|
|
||||||
|
static off_t ufstest_seek(FAR void *volinfo, FAR void *openinfo,
|
||||||
|
off_t offset, int whence)
|
||||||
|
{
|
||||||
|
FAR struct ufstest_openfile_s *opriv =
|
||||||
|
(FAR struct ufstest_openfile_s *)openinfo;
|
||||||
|
off_t newpos;
|
||||||
|
|
||||||
|
switch (whence)
|
||||||
|
{
|
||||||
|
case SEEK_SET: /* The offset is set to offset bytes. */
|
||||||
|
newpos = offset;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case SEEK_CUR: /* The offset is set to its current location plus
|
||||||
|
* offset bytes. */
|
||||||
|
|
||||||
|
newpos = offset + opriv->pos;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case SEEK_END: /* The offset is set to the size of the file plus
|
||||||
|
* offset bytes. */
|
||||||
|
|
||||||
|
newpos = offset + opriv->file->inuse;
|
||||||
|
break;
|
||||||
|
|
||||||
|
default:
|
||||||
|
fprintf(stderr, "ERROR: Whence is invalid: %d\n", whence);
|
||||||
|
return -EINVAL;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (newpos < 0)
|
||||||
|
{
|
||||||
|
newpos = 0;
|
||||||
|
}
|
||||||
|
else if (newpos > opriv->file->mxsize)
|
||||||
|
{
|
||||||
|
newpos = opriv->file->mxsize;
|
||||||
|
}
|
||||||
|
|
||||||
|
opriv->pos = newpos;
|
||||||
|
return newpos;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int ufstest_ioctl(FAR void *volinfo, FAR void *openinfo, int cmd,
|
||||||
|
unsigned long arg)
|
||||||
|
{
|
||||||
|
return -ENOTTY;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int ufstest_sync(FAR void *volinfo, FAR void *openinfo)
|
||||||
|
{
|
||||||
|
return OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int ufstest_dup(FAR void *volinfo, FAR void *oldinfo,
|
||||||
|
FAR void *newinfo)
|
||||||
|
{
|
||||||
|
memcpy(newinfo, oldinfo, sizeof(struct ufstest_openfile_s));
|
||||||
|
return OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int ufstest_fstat(FAR void *volinfo, FAR void *openinfo,
|
||||||
|
FAR struct stat *buf)
|
||||||
|
{
|
||||||
|
FAR struct ufstest_openfile_s *opriv =
|
||||||
|
(FAR struct ufstest_openfile_s *)openinfo;
|
||||||
|
|
||||||
|
buf->st_mode = (S_IFREG | S_IWUSR | S_IRUSR | S_IRGRP | S_IROTH);
|
||||||
|
buf->st_size = opriv->file->inuse;
|
||||||
|
buf->st_blksize = UFSTEST_FS_BLOCKSIZE;
|
||||||
|
buf->st_blocks = (opriv->file->inuse + UFSTEST_FS_BLOCKSIZE - 1) /
|
||||||
|
UFSTEST_FS_BLOCKSIZE;
|
||||||
|
buf->st_atime = 0;
|
||||||
|
buf->st_mtime = 0;
|
||||||
|
buf->st_ctime = 0;
|
||||||
|
return OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int ufstest_opendir(FAR void *volinfo, FAR const char *relpath,
|
||||||
|
FAR void **dir)
|
||||||
|
{
|
||||||
|
FAR struct ufstest_opendir_s *odir;
|
||||||
|
|
||||||
|
if (!relpath || relpath[0] == '\0')
|
||||||
|
{
|
||||||
|
/* The path refers to the top level directory. */
|
||||||
|
|
||||||
|
odir = (FAR struct ufstest_opendir_s *)
|
||||||
|
malloc(sizeof(struct ufstest_opendir_s ));
|
||||||
|
if (odir == NULL)
|
||||||
|
{
|
||||||
|
return -ENOMEM;
|
||||||
|
}
|
||||||
|
|
||||||
|
odir->index = 0;
|
||||||
|
*dir = odir;
|
||||||
|
return OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
return -ENOENT;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int ufstest_closedir(FAR void *volinfo, FAR void *dir)
|
||||||
|
{
|
||||||
|
free(dir);
|
||||||
|
return OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int ufstest_readdir(FAR void *volinfo, FAR void *dir,
|
||||||
|
FAR struct dirent *entry)
|
||||||
|
{
|
||||||
|
FAR struct ufstest_file_s *priv = (FAR struct ufstest_file_s *)volinfo;
|
||||||
|
FAR struct ufstest_opendir_s *odir = (FAR struct ufstest_opendir_s *)dir;
|
||||||
|
|
||||||
|
if (odir->index < UFSTEST_NFILES)
|
||||||
|
{
|
||||||
|
memcpy(entry, &priv[odir->index].entry, sizeof(struct dirent));
|
||||||
|
odir->index++;
|
||||||
|
return OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
return -ENOENT;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int ufstest_rewinddir(FAR void *volinfo, FAR void *dir)
|
||||||
|
{
|
||||||
|
FAR struct ufstest_opendir_s *odir = (FAR struct ufstest_opendir_s *)dir;
|
||||||
|
|
||||||
|
odir->index = 0;
|
||||||
|
return OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int ufstest_statfs(FAR void *volinfo, FAR struct statfs *buf)
|
||||||
|
{
|
||||||
|
int inuse = 0;
|
||||||
|
int i;
|
||||||
|
|
||||||
|
for (i = 0; i < UFSTEST_NFILES; i++)
|
||||||
|
{
|
||||||
|
inuse += (g_rootdir[i].inuse + UFSTEST_FS_BLOCKSIZE - 1) /
|
||||||
|
UFSTEST_FS_BLOCKSIZE;
|
||||||
|
}
|
||||||
|
|
||||||
|
buf->f_type = USERFS_MAGIC;
|
||||||
|
buf->f_namelen = NAME_MAX;
|
||||||
|
buf->f_bsize = UFSTEST_FS_BLOCKSIZE;
|
||||||
|
buf->f_blocks = UFSTEST_FS_NBLOCKS;
|
||||||
|
buf->f_bfree = UFSTEST_FS_NBLOCKS - inuse;
|
||||||
|
buf->f_bavail = UFSTEST_FS_NBLOCKS - inuse;
|
||||||
|
buf->f_files = UFSTEST_NFILES;
|
||||||
|
buf->f_ffree = 0;
|
||||||
|
return OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int ufstest_unlink(FAR void *volinfo, FAR const char *relpath)
|
||||||
|
{
|
||||||
|
return -ENOSYS;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int ufstest_mkdir(FAR void *volinfo, FAR const char *relpath,
|
||||||
|
mode_t mode)
|
||||||
|
{
|
||||||
|
return -ENOSYS;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int ufstest_rmdir(FAR void *volinfo, FAR const char *relpath)
|
||||||
|
{
|
||||||
|
return -ENOSYS;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int ufstest_rename(FAR void *volinfo, FAR const char *oldrelpath,
|
||||||
|
FAR const char *newrelpath)
|
||||||
|
{
|
||||||
|
FAR struct ufstest_file_s *file;
|
||||||
|
|
||||||
|
file = ufstest_findbyname(oldrelpath);
|
||||||
|
if (file != NULL)
|
||||||
|
{
|
||||||
|
strncpy(file->entry.d_name, newrelpath, NAME_MAX + 1);
|
||||||
|
return OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
return -ENOENT;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int ufstest_stat(FAR void *volinfo, FAR const char *relpath,
|
||||||
|
FAR struct stat *buf)
|
||||||
|
{
|
||||||
|
FAR void *openinfo;
|
||||||
|
int ret;
|
||||||
|
|
||||||
|
ret = ufstest_open(volinfo, relpath, O_RDWR, 0644, &openinfo);
|
||||||
|
if (ret >= 0)
|
||||||
|
{
|
||||||
|
ret = ufstest_fstat(volinfo, openinfo, buf);
|
||||||
|
(void)ufstest_close(volinfo, openinfo);
|
||||||
|
}
|
||||||
|
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int ufstest_destroy(FAR void *volinfo)
|
||||||
|
{
|
||||||
|
return OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* ufstest_daemon
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
int ufstest_daemon(int argc, char *argv[])
|
||||||
|
{
|
||||||
|
int ret;
|
||||||
|
|
||||||
|
ret = userfs_run(UFSTEST_MOUNTPOUNT, &g_ufstest_ops, g_rootdir,
|
||||||
|
UFSTEST_MXWRITE);
|
||||||
|
|
||||||
|
fprintf(stderr, "ERROR: userfs_run() returned: %d\n", ret);
|
||||||
|
return EXIT_FAILURE;
|
||||||
|
}
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Public Functions
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* userfs_main
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
#ifdef CONFIG_BUILD_KERNEL
|
||||||
|
int main(int argc, FAR char *argv[])
|
||||||
|
#else
|
||||||
|
int userfs_main(int argc, char *argv[])
|
||||||
|
#endif
|
||||||
|
{
|
||||||
|
FAR char *nshargv[1];
|
||||||
|
int pid;
|
||||||
|
|
||||||
|
/* Spawn the UserFS test daemon */
|
||||||
|
|
||||||
|
nshargv[0] = NULL;
|
||||||
|
pid = task_create("UserFS", CONFIG_EXAMPLES_USERFS_PRIORITY,
|
||||||
|
CONFIG_EXAMPLES_USERFS_STACKSIZE, ufstest_daemon,
|
||||||
|
(FAR char * const *)nshargv);
|
||||||
|
if (pid < 0)
|
||||||
|
{
|
||||||
|
return EXIT_FAILURE;
|
||||||
|
}
|
||||||
|
|
||||||
|
return EXIT_SUCCESS;
|
||||||
|
}
|
||||||
Loading…
x
Reference in New Issue
Block a user