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/*
* File : dfs_net.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2015-2016, RT-Thread Development Team
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2015-02-17 Bernard First version
* 2016-05-07 Bernard Rename dfs_lwip to dfs_net
*/
#include <rtthread.h>
#include <dfs.h>
#include <dfs_fs.h>
#include "dfs_net.h"
int dfs_net_getsocket(int fd)
{
struct dfs_fd *_dfs_fd;
_dfs_fd = fd_get(fd);
if (_dfs_fd == RT_NULL) return -1;
if (_dfs_fd->type != FT_SOCKET) return -1;
return (int)_dfs_fd->data;
}
int dfs_net_ioctl(struct dfs_fd* file, int cmd, void* args)
{
return -DFS_STATUS_EIO;
}
int dfs_net_read(struct dfs_fd* file, void *buf, rt_size_t count)
{
int sock;
sock = (int)file->data;
count = lwip_read(sock, buf, count);
return count;
}
int dfs_net_write(struct dfs_fd *file, const void *buf, rt_size_t count)
{
int sock;
sock = (int)file->data;
count = lwip_write(sock, buf, count);
return count;
}
int dfs_net_close(struct dfs_fd* file)
{
int sock;
int result;
sock = (int)file->data;
result = lwip_close(sock);
if (result == 0) return DFS_STATUS_OK;
return -result;
}
static const struct dfs_filesystem_operation _net_fs_ops =
{
"net",
DFS_FS_FLAG_DEFAULT,
RT_NULL, /* mount */
RT_NULL, /* unmont */
RT_NULL, /* mkfs */
RT_NULL, /* statfs */
RT_NULL, /* open */
dfs_net_close,
dfs_net_ioctl,
dfs_net_read,
dfs_net_write,
RT_NULL,
RT_NULL, /* lseek */
RT_NULL, /* getdents */
RT_NULL, /* unlink */
RT_NULL, /* stat */
RT_NULL, /* rename */
};
static struct dfs_filesystem _net_fs =
{
0, /* dev_id */
RT_NULL, /* path */
&_net_fs_ops,
RT_NULL /* data */
};
struct dfs_filesystem* dfs_net_get_fs(void)
{
return &_net_fs;
}
/*
NOTE: Beause we don't need to mount lwIP file system, the filesystem_ops is not
registered to the system.
int dfs_net_system_init(void)
{
dfs_register(&_net_fs_ops);
return 0;
}
INIT_FS_EXPORT(dfs_net_system_init);
*/
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