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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 <dfs_posix.h>
#include <sys/socket.h>
#include "dfs_net.h"
int accept(int s, struct sockaddr *addr, socklen_t *addrlen)
{
int new_client = -1;
int sock = dfs_net_getsocket(s);
new_client = lwip_accept(sock, addr, addrlen);
if (new_client != -1)
{
/* this is a new socket, create it in file system fd */
int fd;
struct dfs_fd *d;
/* allocate a fd */
fd = fd_new();
if (fd < 0)
{
rt_set_errno(-DFS_STATUS_ENOMEM);
lwip_close(sock);
rt_kprintf("no fd yet!\n");
return -1;
}
d = fd_get(fd);
/* this is a socket fd */
d->type = FT_SOCKET;
d->path = RT_NULL;
d->fs = dfs_net_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 *) new_client;
/* release the ref-count of fd */
fd_put(d);
return fd;
}
return new_client;
}
RTM_EXPORT(accept);
int bind(int s, const struct sockaddr *name, socklen_t namelen)
{
int sock = dfs_net_getsocket(s);
return lwip_bind(sock, name, namelen);
}
RTM_EXPORT(bind);
int shutdown(int s, int how)
{
int sock;
struct dfs_fd *d;
d = fd_get(s);
if (d == RT_NULL)
{
rt_set_errno(-DFS_STATUS_EBADF);
return -1;
}
sock = dfs_net_getsocket(s);
if (lwip_shutdown(sock, how) == 0)
{
/* socket has been closed, delete it from file system fd */
fd_put(d);
fd_put(d);
return 0;
}
return -1;
}
RTM_EXPORT(shutdown);
int getpeername(int s, struct sockaddr *name, socklen_t *namelen)
{
int sock = dfs_net_getsocket(s);
return lwip_getpeername(sock, name, namelen);
}
RTM_EXPORT(getpeername);
int getsockname(int s, struct sockaddr *name, socklen_t *namelen)
{
int sock = dfs_net_getsocket(s);
return lwip_getsockname(sock, name, namelen);
}
RTM_EXPORT(getsockname);
int getsockopt(int s, int level, int optname, void *optval, socklen_t *optlen)
{
int sock = dfs_net_getsocket(s);
return lwip_getsockopt(sock, level, optname, optval, optlen);
}
RTM_EXPORT(getsockopt);
int setsockopt(int s, int level, int optname, const void *optval, socklen_t optlen)
{
int sock = dfs_net_getsocket(s);
return lwip_setsockopt(sock, level, optname, optval, optlen);
}
RTM_EXPORT(setsockopt);
int connect(int s, const struct sockaddr *name, socklen_t namelen)
{
int sock = dfs_net_getsocket(s);
return lwip_connect(sock, name, namelen);
}
RTM_EXPORT(connect);
int listen(int s, int backlog)
{
int sock = dfs_net_getsocket(s);
return lwip_listen(sock, backlog);
}
RTM_EXPORT(listen);
int recv(int s, void *mem, size_t len, int flags)
{
int sock = dfs_net_getsocket(s);
return lwip_recv(sock, mem, len, flags);
}
RTM_EXPORT(recv);
int recvfrom(int s, void *mem, size_t len, int flags,
struct sockaddr *from, socklen_t *fromlen)
{
int sock = dfs_net_getsocket(s);
return lwip_recvfrom(sock, mem, len, flags, from, fromlen);
}
RTM_EXPORT(recvfrom);
int send(int s, const void *dataptr, size_t size, int flags)
{
int sock = dfs_net_getsocket(s);
return lwip_send(sock, dataptr, size, flags);
}
RTM_EXPORT(send);
int sendto(int s, const void *dataptr, size_t size, int flags,
const struct sockaddr *to, socklen_t tolen)
{
int sock = dfs_net_getsocket(s);
return lwip_sendto(sock, dataptr, size, flags, to, tolen);
}
RTM_EXPORT(sendto);
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_net_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;
}
RTM_EXPORT(socket);
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