rt-thread-stm32f072/rt-thread/components/net/sal/socket/net_sockets.c

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2022-10-30 15:41:02 +08:00
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2015-02-17 Bernard First version
* 2018-05-17 ChenYong Add socket abstraction layer
*/
#include <dfs.h>
#include <dfs_file.h>
#include <poll.h>
#include <dfs_net.h>
#include <sys/errno.h>
#include <sys/socket.h>
int accept(int s, struct sockaddr *addr, socklen_t *addrlen)
{
int new_socket = -1;
int socket = dfs_net_getsocket(s);
new_socket = sal_accept(socket, addr, addrlen);
if (new_socket != -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(-ENOMEM);
sal_closesocket(new_socket);
return -1;
}
d = fd_get(fd);
if(d)
{
/* this is a socket fd */
d->type = FT_SOCKET;
d->path = NULL;
d->fops = dfs_net_get_fops();
d->flags = 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_socket;
/* release the ref-count of fd */
fd_put(d);
return fd;
}
rt_set_errno(-ENOMEM);
sal_closesocket(new_socket);
return -1;
}
return -1;
}
RTM_EXPORT(accept);
int bind(int s, const struct sockaddr *name, socklen_t namelen)
{
int socket = dfs_net_getsocket(s);
return sal_bind(socket, name, namelen);
}
RTM_EXPORT(bind);
int shutdown(int s, int how)
{
int error = 0;
int socket = -1;
struct dfs_fd *d;
socket = dfs_net_getsocket(s);
if (socket < 0)
{
rt_set_errno(-ENOTSOCK);
return -1;
}
d = fd_get(s);
if (d == NULL)
{
rt_set_errno(-EBADF);
return -1;
}
if (sal_shutdown(socket, how) == 0)
{
error = 0;
}
else
{
rt_set_errno(-ENOTSOCK);
error = -1;
}
fd_put(d);
return error;
}
RTM_EXPORT(shutdown);
int getpeername(int s, struct sockaddr *name, socklen_t *namelen)
{
int socket = dfs_net_getsocket(s);
return sal_getpeername(socket, name, namelen);
}
RTM_EXPORT(getpeername);
int getsockname(int s, struct sockaddr *name, socklen_t *namelen)
{
int socket = dfs_net_getsocket(s);
return sal_getsockname(socket, name, namelen);
}
RTM_EXPORT(getsockname);
int getsockopt(int s, int level, int optname, void *optval, socklen_t *optlen)
{
int socket = dfs_net_getsocket(s);
return sal_getsockopt(socket, level, optname, optval, optlen);
}
RTM_EXPORT(getsockopt);
int setsockopt(int s, int level, int optname, const void *optval, socklen_t optlen)
{
int socket = dfs_net_getsocket(s);
return sal_setsockopt(socket, level, optname, optval, optlen);
}
RTM_EXPORT(setsockopt);
int connect(int s, const struct sockaddr *name, socklen_t namelen)
{
int socket = dfs_net_getsocket(s);
return sal_connect(socket, name, namelen);
}
RTM_EXPORT(connect);
int listen(int s, int backlog)
{
int socket = dfs_net_getsocket(s);
return sal_listen(socket, backlog);
}
RTM_EXPORT(listen);
int recv(int s, void *mem, size_t len, int flags)
{
int socket = dfs_net_getsocket(s);
return sal_recvfrom(socket, mem, len, flags, NULL, NULL);
}
RTM_EXPORT(recv);
int recvfrom(int s, void *mem, size_t len, int flags,
struct sockaddr *from, socklen_t *fromlen)
{
int socket = dfs_net_getsocket(s);
return sal_recvfrom(socket, mem, len, flags, from, fromlen);
}
RTM_EXPORT(recvfrom);
int send(int s, const void *dataptr, size_t size, int flags)
{
int socket = dfs_net_getsocket(s);
return sal_sendto(socket, dataptr, size, flags, NULL, 0);
}
RTM_EXPORT(send);
int sendto(int s, const void *dataptr, size_t size, int flags,
const struct sockaddr *to, socklen_t tolen)
{
int socket = dfs_net_getsocket(s);
return sal_sendto(socket, dataptr, size, flags, to, tolen);
}
RTM_EXPORT(sendto);
int socket(int domain, int type, int protocol)
{
/* create a BSD socket */
int fd;
int socket;
struct dfs_fd *d;
/* allocate a fd */
fd = fd_new();
if (fd < 0)
{
rt_set_errno(-ENOMEM);
return -1;
}
d = fd_get(fd);
/* create socket and then put it to the dfs_fd */
socket = sal_socket(domain, type, protocol);
if (socket >= 0)
{
/* this is a socket fd */
d->type = FT_SOCKET;
d->path = NULL;
d->fops = dfs_net_get_fops();
d->flags = 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 *) socket;
}
else
{
/* release fd */
fd_put(d);
fd_put(d);
rt_set_errno(-ENOMEM);
return -1;
}
/* release the ref-count of fd */
fd_put(d);
return fd;
}
RTM_EXPORT(socket);
int closesocket(int s)
{
int error = 0;
int socket = -1;
struct dfs_fd *d;
socket = dfs_net_getsocket(s);
if (socket < 0)
{
rt_set_errno(-ENOTSOCK);
return -1;
}
d = fd_get(s);
if (d == RT_NULL)
{
rt_set_errno(-EBADF);
return -1;
}
if (sal_closesocket(socket) == 0)
{
error = 0;
}
else
{
rt_set_errno(-ENOTSOCK);
error = -1;
}
/* socket has been closed, delete it from file system fd */
fd_put(d);
fd_put(d);
return error;
}
RTM_EXPORT(closesocket);
int ioctlsocket(int s, long cmd, void *arg)
{
int socket = dfs_net_getsocket(s);
return sal_ioctlsocket(socket, cmd, arg);
}
RTM_EXPORT(ioctlsocket);