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Merge pull request #467 from BernardXiong/master 

[DFS] Add lwIP file system interface for DFS
This commit is contained in:
Bernard Xiong 2015-05-01 16:20:22 +08:00
parent f111495b4f 8dfc80b4a2
commit fa901c70bc
10 changed files with 556 additions and 0 deletions
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11
components/dfs/filesystems/lwip/SConscript Normal file
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# RT-Thread building script for component
from building import *
cwd = GetCurrentDir()
src = Glob('*.c')
CPPPATH = [cwd]
group = DefineGroup('Filesystem', src, depend = ['RT_USING_DFS', 'RT_USING_DFS_LWIP'], CPPPATH = CPPPATH)
Return('group')

30
components/dfs/filesystems/lwip/arpa/inet.h Normal file
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/*
* File : inet.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2015, 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
*/
#ifndef INET_H__
#define INET_H__
#include <lwip/inet.h>
#endif

125
components/dfs/filesystems/lwip/dfs_lwip.c Normal file
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/*
* File : dfs_lwip.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2015, 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
*/
#include <rtthread.h>
#include <dfs.h>
#include <dfs_fs.h>
#include "dfs_lwip.h"
int dfs_lwip_getsocket(int fd)
{
struct dfs_fd *_dfs_fd;
_dfs_fd = fd_get(fd);
if (_dfs_fd == RT_NULL) return -1;
return 0;
}
int dfs_lwip_ioctl(struct dfs_fd* file, int cmd, void* args)
{
return -DFS_STATUS_EIO;
}
int dfs_lwip_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_lwip_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_lwip_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 _lwip_fs_ops =
{
"lwip",
DFS_FS_FLAG_DEFAULT,
RT_NULL, /* mount */
RT_NULL, /* unmont */
RT_NULL, /* mkfs */
RT_NULL, /* statfs */
RT_NULL, /* open */
dfs_lwip_close,
dfs_lwip_ioctl,
dfs_lwip_read,
dfs_lwip_write,
RT_NULL,
RT_NULL, /* lseek */
RT_NULL, /* getdents */
RT_NULL, /* unlink */
RT_NULL, /* stat */
RT_NULL, /* rename */
};
static struct dfs_filesystem _lwip_fs =
{
0, /* dev_id */
RT_NULL, /* path */
&_lwip_fs_ops,
RT_NULL /* data */
};
struct dfs_filesystem* dfs_lwip_get_fs(void)
{
return &_lwip_fs;
}
/*
NOTE: Beause we don't need to mount lwIP file system, the filesystem_ops is not
registered to the system.
int dfs_lwip_system_init(void)
{
dfs_register(&_lwip_fs_ops);
return 0;
}
INIT_FS_EXPORT(dfs_lwip_system_init);
*/

41
components/dfs/filesystems/lwip/dfs_lwip.h Normal file
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/*
* File : dfs_lwip.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2015, 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
*/
#ifndef DFS_LWIP_H__
#define DFS_LWIP_H__
#ifdef __cplusplus
extern "C" {
#endif
struct dfs_filesystem* dfs_lwip_get_fs(void);
int dfs_lwip_getsocket(int fd);
int dfs_lwip_system_init(void);
#ifdef __cplusplus
}
#endif
#endif

164
components/dfs/filesystems/lwip/lwip_sockets.c Normal file
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/*
* File : lwip_sockets.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2015, 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
*/
#include <dfs.h>
#include <dfs_def.h>
#include <lwip/sockets.h>
#include <sys/socket.h>
#include "dfs_lwip.h"
int accept(int s, struct sockaddr *addr, socklen_t *addrlen)
{
int sock = dfs_lwip_getsocket(s);
return lwip_accept(sock, addr, addrlen);
}
int bind(int s, const struct sockaddr *name, socklen_t namelen)
{
int sock = dfs_lwip_getsocket(s);
return lwip_bind(sock, name, namelen);
}
int shutdown(int s, int how)
{
int sock = dfs_lwip_getsocket(s);
return lwip_shutdown(s, how);
}
int getpeername (int s, struct sockaddr *name, socklen_t *namelen)
{
int sock = dfs_lwip_getsocket(s);
return lwip_getpeername(sock, name, namelen);
}
int getsockname (int s, struct sockaddr *name, socklen_t *namelen)
{
int sock = dfs_lwip_getsocket(s);
return lwip_getsockname(sock, name, namelen);
}
int getsockopt (int s, int level, int optname, void *optval, socklen_t *optlen)
{
int sock = dfs_lwip_getsocket(s);
return lwip_getsockopt(sock, level, optname, optval, optlen);
}
int setsockopt (int s, int level, int optname, const void *optval, socklen_t optlen)
{
int sock = dfs_lwip_getsocket(s);
return lwip_setsockopt(sock, level, optname, optval, optlen);
}
int connect(int s, const struct sockaddr *name, socklen_t namelen)
{
int sock = dfs_lwip_getsocket(s);
return lwip_connect(sock, name, namelen);
}
int listen(int s, int backlog)
{
int sock = dfs_lwip_getsocket(s);
return lwip_listen(sock, backlog);
}
int recv(int s, void *mem, size_t len, int flags)
{
int sock = dfs_lwip_getsocket(s);
return lwip_recv(sock, mem, len, flags);
}
int recvfrom(int s, void *mem, size_t len, int flags,
struct sockaddr *from, socklen_t *fromlen)
{
int sock = dfs_lwip_getsocket(s);
return lwip_recvfrom(sock, mem, len, flags, from, fromlen);
}
int send(int s, const void *dataptr, size_t size, int flags)
{
int sock = dfs_lwip_getsocket(s);
return lwip_send(sock, dataptr, size, flags);
}
int sendto(int s, const void *dataptr, size_t size, int flags,
const struct sockaddr *to, socklen_t tolen)
{
int sock = dfs_lwip_getsocket(s);
return lwip_sendto(sock, dataptr, size, flags, to, tolen);
}
int socket(int domain, int type, int protocol)
{
/* create a BSD socket */
int fd;
int sock;
struct dfs_fd *d;
/* allocate a fd */
fd = fd_new();
if (fd < 0)
{
rt_set_errno(-DFS_STATUS_ENOMEM);
return -1;
}
d = fd_get(fd);
/* create socket in lwip and then put it to the dfs_fd */
sock = lwip_socket(domain, type, protocol);
if (sock > 0)
{
/* this is a socket fd */
d->type = FT_SOCKET;
d->path = RT_NULL;
d->fs = dfs_lwip_get_fs();
d->flags = DFS_O_RDWR; /* set flags as read and write */
d->size = 0;
d->pos = 0;
/* set socket to the data of dfs_fd */
d->data = (void*) sock;
}
/* release the ref-count of fd */
fd_put(d);
return fd;
}

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components/dfs/filesystems/lwip/netdb.c Normal file
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/*
* File : netdb.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2015, 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
*/
#include "netdb.h"
#include <lwip/netdb.h>
struct hostent *gethostbyname(const char *name)
{
return lwip_gethostbyname(name);
}
int gethostbyname_r(const char *name, struct hostent *ret, char *buf,
size_t buflen, struct hostent **result, int *h_errnop)
{
return lwip_gethostbyname_r(name, ret, buf, buflen, result, h_errnop);
}
void freeaddrinfo(struct addrinfo *ai)
{
lwip_freeaddrinfo(ai);
}
int getaddrinfo(const char *nodename,
const char *servname,
const struct addrinfo *hints,
struct addrinfo **res)
{
return lwip_getaddrinfo(nodename, servname, hints, res);
}

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components/dfs/filesystems/lwip/netdb.h Normal file
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/*
* File : netdb.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2015, 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
*/
#ifndef NETDB_H__
#define NETDB_H__
#ifdef __cplusplus
extern "C" {
#endif
#include <lwip/netdb.h>
struct hostent *gethostbyname(const char *name);
int gethostbyname_r(const char *name, struct hostent *ret, char *buf,
size_t buflen, struct hostent **result, int *h_errnop);
void freeaddrinfo(struct addrinfo *ai);
int getaddrinfo(const char *nodename,
const char *servname,
const struct addrinfo *hints,
struct addrinfo **res);
#ifdef __cplusplus
}
#endif
#endif

30
components/dfs/filesystems/lwip/netinet/in.h Normal file
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/*
* File : in.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2015, 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
*/
#ifndef IN_H__
#define IN_H__
#include <lwip/sockets.h>
#endif

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components/dfs/filesystems/lwip/sys/socket.h Normal file
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/*
* File : netdb.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2015, 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
*/
#ifndef SOCKET_H__
#define SOCKET_H__
#ifdef __cplusplus
extern "C" {
#endif
int accept(int s, struct sockaddr *addr, socklen_t *addrlen);
int bind(int s, const struct sockaddr *name, socklen_t namelen);
int shutdown(int s, int how);
int getpeername (int s, struct sockaddr *name, socklen_t *namelen);
int getsockname (int s, struct sockaddr *name, socklen_t *namelen);
int getsockopt (int s, int level, int optname, void *optval, socklen_t *optlen);
int setsockopt (int s, int level, int optname, const void *optval, socklen_t optlen);
int connect(int s, const struct sockaddr *name, socklen_t namelen);
int listen(int s, int backlog);
int recv(int s, void *mem, size_t len, int flags);
int recvfrom(int s, void *mem, size_t len, int flags,
struct sockaddr *from, socklen_t *fromlen);
int send(int s, const void *dataptr, size_t size, int flags);
int sendto(int s, const void *dataptr, size_t size, int flags,
const struct sockaddr *to, socklen_t tolen);
int socket(int domain, int type, int protocol);
#ifdef __cplusplus
}
#endif
#endif

4
components/net/lwip-1.4.1/src/lwipopts.h
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#define LWIP_RAND rand
#endif
#ifdef RT_USING_DFS_LWIP
#define LWIP_COMPAT_SOCKETS 0
#endif
#endif /* __LWIPOPTS_H__ */