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[net][sal] Add SAL (socket abstraction layer) framework

This commit is contained in:
chenyong 2018-07-17 20:29:33 +08:00
parent 4ca1d03bdf
commit 8cda48a132
32 changed files with 2377 additions and 543 deletions
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10
components/dfs/Kconfig
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@ -28,7 +28,7 @@ if RT_USING_DFS
config RT_USING_DFS_ELMFAT config RT_USING_DFS_ELMFAT
bool "Enable elm-chan fatfs" bool "Enable elm-chan fatfs"
default y default n
help help
FatFs is a generic FAT/exFAT file system module for small embedded systems. FatFs is a generic FAT/exFAT file system module for small embedded systems.
@ -95,14 +95,6 @@ if RT_USING_DFS
bool "Using devfs for device objects" bool "Using devfs for device objects"
default y default y
config RT_USING_DFS_NET
bool "Enable BSD socket operated by file system API"
select RT_USING_LWIP
select RT_USING_POSIX
default n
help
Let BSD socket operated by file system API, such as read/write and involveed in select/poll POSIX APIs.
config RT_USING_DFS_ROMFS config RT_USING_DFS_ROMFS
bool "Enable ReadOnly file system on flash" bool "Enable ReadOnly file system on flash"
default n default n

17
components/dfs/filesystems/net/SConscript
View File

@ -1,17 +0,0 @@
# RT-Thread building script for component
from building import *
cwd = GetCurrentDir()
src = Glob('*.c')
CPPPATH = [cwd]
if not GetDepend('HAVE_SYS_SELECT_H'):
CPPPATH += [cwd + '/select']
if not GetDepend('HAVE_SYS_SOCKET_H'):
CPPPATH += [cwd + '/socket']
group = DefineGroup('Filesystem', src, depend = ['RT_USING_DFS', 'RT_USING_DFS_NET'], CPPPATH = CPPPATH)
Return('group')

362
components/dfs/filesystems/net/net_sockets.c
View File

@ -1,362 +0,0 @@
/*
* 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_posix.h>
#include <dfs_poll.h>
#include <sys/socket.h>
#include "dfs_net.h"
static void event_callback(struct netconn *conn, enum netconn_evt evt, u16_t len)
{
int s;
struct lwip_sock *sock;
uint32_t event = 0;
SYS_ARCH_DECL_PROTECT(lev);
LWIP_UNUSED_ARG(len);
/* Get socket */
if (conn)
{
s = conn->socket;
if (s < 0)
{
/* Data comes in right away after an accept, even though
* the server task might not have created a new socket yet.
* Just count down (or up) if that's the case and we
* will use the data later. Note that only receive events
* can happen before the new socket is set up. */
SYS_ARCH_PROTECT(lev);
if (conn->socket < 0)
{
if (evt == NETCONN_EVT_RCVPLUS)
{
conn->socket--;
}
SYS_ARCH_UNPROTECT(lev);
return;
}
s = conn->socket;
SYS_ARCH_UNPROTECT(lev);
}
sock = lwip_tryget_socket(s);
if (!sock)
{
return;
}
}
else
{
return;
}
SYS_ARCH_PROTECT(lev);
/* Set event as required */
switch (evt)
{
case NETCONN_EVT_RCVPLUS:
sock->rcvevent++;
break;
case NETCONN_EVT_RCVMINUS:
sock->rcvevent--;
break;
case NETCONN_EVT_SENDPLUS:
sock->sendevent = 1;
break;
case NETCONN_EVT_SENDMINUS:
sock->sendevent = 0;
break;
case NETCONN_EVT_ERROR:
sock->errevent = 1;
break;
default:
LWIP_ASSERT("unknown event", 0);
break;
}
if (sock->lastdata || sock->rcvevent > 0) event |= POLLIN;
if (sock->sendevent) event |= POLLOUT;
if (sock->errevent) event |= POLLERR;
SYS_ARCH_UNPROTECT(lev);
if (event)
{
rt_wqueue_wakeup(&sock->wait_head, (void*)event);
}
}
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;
struct lwip_sock *lwsock;
/* allocate a fd */
fd = fd_new();
if (fd < 0)
{
rt_set_errno(-ENOMEM);
lwip_close(sock);
return -1;
}
d = fd_get(fd);
/* this is a socket fd */
d->type = FT_SOCKET;
d->path = RT_NULL;
d->fops = dfs_net_get_fops();
/* initialize wait head */
lwsock = lwip_tryget_socket(new_client);
rt_wqueue_init(&(lwsock->wait_head));
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_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(-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);
#if LWIP_VERSION_MAJOR < 2U
#error "Your lwIP version is not supported. Please using lwIP 2.0.0+."
#endif
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;
struct lwip_sock *lwsock;
/* allocate a fd */
fd = fd_new();
if (fd < 0)
{
rt_set_errno(-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 = 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 *) sock;
lwsock = lwip_tryget_socket(sock);
rt_wqueue_init(&(lwsock->wait_head));
lwsock->conn->callback = event_callback;
}
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 sock = dfs_net_getsocket(s);
struct dfs_fd *d;
d = fd_get(s);
/* socket has been closed, delete it from file system fd */
fd_put(d);
fd_put(d);
return lwip_close(sock);
}
RTM_EXPORT(closesocket);
int ioctlsocket(int s, long cmd, void *arg)
{
int sock = dfs_net_getsocket(s);
return lwip_ioctl(sock, cmd, arg);
}
RTM_EXPORT(ioctlsocket);

43
components/net/Kconfig
View File

@ -1,4 +1,44 @@
menu "Network stack" menu "Network"
menu "Socket abstraction layer"
config RT_USING_SAL
bool "Enable socket abstraction layer"
default n
select RT_USING_DFS
if RT_USING_SAL
menu "protocol stack implement"
config SAL_USING_LWIP
bool "Support lwIP stack"
default y if RT_USING_LWIP
default n
depends on RT_USING_LWIP
config SAL_USING_AT
bool "Support AT Commands stack"
default y if RT_USING_AT_SOCKET
default n
depends on RT_USING_AT_SOCKET
endmenu
config SAL_USING_POSIX
bool "Enable BSD socket operated by file system API"
select RT_USING_LIBC
select RT_USING_POSIX
default n
help
Let BSD socket operated by file system API, such as read/write and involveed in select/poll POSIX APIs.
config SAL_PROTO_FAMILIES_NUM
int "the number of protocol family"
default 4
endif
endmenu
menu "light weight TCP/IP stack" menu "light weight TCP/IP stack"
config RT_USING_LWIP config RT_USING_LWIP
@ -228,7 +268,6 @@ config LWIP_USING_DHCPD
endif endif
endif endif
endif endif
endmenu endmenu

2
components/net/lwip-1.4.1/src/lwipopts.h
View File

@ -371,7 +371,7 @@
* LWIP_COMPAT_SOCKETS==1: Enable BSD-style sockets functions names. * LWIP_COMPAT_SOCKETS==1: Enable BSD-style sockets functions names.
* (only used if you use sockets.c) * (only used if you use sockets.c)
*/ */
#ifdef RT_USING_DFS_NET #ifdef SAL_USING_POSIX
#define LWIP_COMPAT_SOCKETS 0 #define LWIP_COMPAT_SOCKETS 0
#else #else
#ifndef LWIP_COMPAT_SOCKETS #ifndef LWIP_COMPAT_SOCKETS

2
components/net/lwip-2.0.2/SConscript
View File

@ -67,7 +67,7 @@ path = [GetCurrentDir() + '/src',
GetCurrentDir() + '/src/arch/include', GetCurrentDir() + '/src/arch/include',
GetCurrentDir() + '/src/include/netif'] GetCurrentDir() + '/src/include/netif']
if not GetDepend('RT_USING_POSIX') or not GetDepend('RT_USING_DFS_NET'): if not GetDepend('RT_USING_POSIX') or not GetDepend('SAL_USING_POSIX'):
path += [GetCurrentDir() + '/src/include/posix'] path += [GetCurrentDir() + '/src/include/posix']
if GetDepend(['RT_LWIP_SNMP']): if GetDepend(['RT_LWIP_SNMP']):

4
components/net/lwip-2.0.2/src/api/sockets.c
View File

@ -197,7 +197,7 @@ static void sockaddr_to_ipaddr_port(const struct sockaddr* sockaddr, ip_addr_t*
#endif #endif
#include <rtthread.h> #include <rtthread.h>
#ifdef RT_USING_DFS_NET #ifdef SAL_USING_POSIX
#include <ipc/waitqueue.h> #include <ipc/waitqueue.h>
#endif #endif
@ -222,7 +222,7 @@ struct lwip_sock {
/** counter of how many threads are waiting for this socket using select */ /** counter of how many threads are waiting for this socket using select */
SELWAIT_T select_waiting; SELWAIT_T select_waiting;
#ifdef RT_USING_DFS_NET #ifdef SAL_USING_POSIX
rt_wqueue_t wait_head; rt_wqueue_t wait_head;
#endif #endif
}; };

2
components/net/lwip-2.0.2/src/lwipopts.h
View File

@ -405,7 +405,7 @@
* LWIP_COMPAT_SOCKETS==1: Enable BSD-style sockets functions names. * LWIP_COMPAT_SOCKETS==1: Enable BSD-style sockets functions names.
* (only used if you use sockets.c) * (only used if you use sockets.c)
*/ */
#ifdef RT_USING_DFS_NET #ifdef SAL_USING_POSIX
#define LWIP_COMPAT_SOCKETS 0 #define LWIP_COMPAT_SOCKETS 0
#else #else
#ifndef LWIP_COMPAT_SOCKETS #ifndef LWIP_COMPAT_SOCKETS

31
components/net/sal_socket/SConscript Normal file
View File

@ -0,0 +1,31 @@
# RT-Thread building script for component
from building import *
cwd = GetCurrentDir()
src = Glob('src/*.c')
src += Glob('socket/*.c')
CPPPATH = [cwd + '/include']
CPPPATH += [cwd + '/include/dfs_net']
CPPPATH += [cwd + '/include/socket']
if GetDepend('SAL_USING_LWIP'):
src += Glob('impl/af_inet_lwip.c')
if GetDepend('SAL_USING_AT'):
src += Glob('impl/af_inet_at.c')
if GetDepend('SAL_USING_POSIX'):
src += Glob('dfs_net/*.c')
if not GetDepend('HAVE_SYS_SELECT_H'):
CPPPATH += [cwd + '/include/dfs_net/sys_select']
if not GetDepend('HAVE_SYS_SOCKET_H'):
CPPPATH += [cwd + '/include/socket/sys_socket']
group = DefineGroup('SAL', src, depend = ['RT_USING_SAL'], CPPPATH = CPPPATH)
Return('group')

76
components/dfs/filesystems/net/dfs_net.c → components/net/sal_socket/dfs_net/dfs_net.c
View File

@ -1,7 +1,7 @@
/* /*
* File : dfs_net.c * File : dfs_net.c
* This file is part of RT-Thread RTOS * This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2015-2016, RT-Thread Development Team * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
* *
* This program is free software; you can redistribute it and/or modify * 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 * it under the terms of the GNU General Public License as published by
@ -22,33 +22,29 @@
* 2015-02-17 Bernard First version * 2015-02-17 Bernard First version
* 2016-05-07 Bernard Rename dfs_lwip to dfs_net * 2016-05-07 Bernard Rename dfs_lwip to dfs_net
* 2018-03-09 Bernard Fix the last data issue in poll. * 2018-03-09 Bernard Fix the last data issue in poll.
* 2018-05-24 ChenYong Add socket abstraction layer
*/ */
#include <rtthread.h> #include <rtthread.h>
#include <dfs.h> #include <dfs.h>
#include <dfs_fs.h> #include <dfs_net.h>
#include <dfs_file.h>
#include <dfs_posix.h>
#include <rtdevice.h>
#include <sys/socket.h> #include <sys/socket.h>
#include <dfs_poll.h>
#include "dfs_net.h"
int dfs_net_getsocket(int fd) int dfs_net_getsocket(int fd)
{ {
int sock; int socket;
struct dfs_fd *_dfs_fd; struct dfs_fd *_dfs_fd;
_dfs_fd = fd_get(fd); _dfs_fd = fd_get(fd);
if (_dfs_fd == NULL) return -1; if (_dfs_fd == NULL) return -1;
if (_dfs_fd->type != FT_SOCKET) sock = -1; if (_dfs_fd->type != FT_SOCKET) socket = -1;
else sock = (int)_dfs_fd->data; else socket = (int)_dfs_fd->data;
fd_put(_dfs_fd); /* put this dfs fd */ fd_put(_dfs_fd); /* put this dfs fd */
return sock; return socket;
} }
static int dfs_net_ioctl(struct dfs_fd* file, int cmd, void* args) static int dfs_net_ioctl(struct dfs_fd* file, int cmd, void* args)
@ -58,69 +54,30 @@ static int dfs_net_ioctl(struct dfs_fd* file, int cmd, void* args)
static int dfs_net_read(struct dfs_fd* file, void *buf, size_t count) static int dfs_net_read(struct dfs_fd* file, void *buf, size_t count)
{ {
int sock; int socket = (int) file->data;
sock = (int)file->data; return sal_recvfrom(socket, buf, count, 0, NULL, NULL);
count = lwip_read(sock, buf, count);
return count;
} }
static int dfs_net_write(struct dfs_fd *file, const void *buf, size_t count) static int dfs_net_write(struct dfs_fd *file, const void *buf, size_t count)
{ {
int sock; int socket = (int) file->data;
sock = (int)file->data; return sal_sendto(socket, buf, count, 0, NULL, 0);
count = lwip_write(sock, buf, count);
return count;
} }
static int dfs_net_close(struct dfs_fd* file) static int dfs_net_close(struct dfs_fd* file)
{ {
int sock; int socket = (int) file->data;
int result;
sock = (int)file->data; return sal_closesocket(socket);
result = lwip_close(sock);
if (result == 0) return RT_EOK;
return -result;
} }
static int dfs_net_poll(struct dfs_fd *file, struct rt_pollreq *req) static int dfs_net_poll(struct dfs_fd *file, struct rt_pollreq *req)
{ {
int sfd; extern int sal_poll(struct dfs_fd *file, struct rt_pollreq *req);
int mask = 0;
struct lwip_sock *sock;
sfd = (int)file->data; return sal_poll(file, req);
sock = lwip_tryget_socket(sfd);
if (sock != NULL)
{
rt_base_t level;
rt_poll_add(&sock->wait_head, req);
level = rt_hw_interrupt_disable();
if (sock->lastdata || sock->rcvevent)
{
mask |= POLLIN;
}
if (sock->sendevent)
{
mask |= POLLOUT;
}
if (sock->errevent)
{
mask |= POLLERR;
}
rt_hw_interrupt_enable(level);
}
return mask;
} }
const struct dfs_file_ops _net_fops = const struct dfs_file_ops _net_fops =
@ -140,4 +97,3 @@ const struct dfs_file_ops *dfs_net_get_fops(void)
{ {
return &_net_fops; return &_net_fops;
} }

125
components/net/sal_socket/impl/af_inet_at.c Normal file
View File

@ -0,0 +1,125 @@
/*
* File : af_inet_at.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2018, 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
* 2018-06-06 ChenYong First version
*/
#include <netdb.h>
#include <sal.h>
#include <at_socket.h>
#ifdef SAL_USING_POSIX
#include <dfs_poll.h>
#endif
#ifdef SAL_USING_POSIX
static int at_poll(struct dfs_fd *file, struct rt_pollreq *req)
{
int mask = 0;
struct at_socket *sock;
struct sal_socket *sal_sock;
sal_sock = sal_get_socket((int) file->data);
if(!sal_sock)
{
return -1;
}
sock = at_get_socket((int)sal_sock->user_data);
if (sock != NULL)
{
rt_base_t level;
rt_poll_add(&sock->wait_head, req);
level = rt_hw_interrupt_disable();
if (sock->rcvevent)
{
mask |= POLLIN;
}
if (sock->sendevent)
{
mask |= POLLOUT;
}
if (sock->errevent)
{
mask |= POLLERR;
}
rt_hw_interrupt_enable(level);
}
return mask;
}
#endif
static const struct proto_ops at_inet_stream_ops =
{
at_socket,
at_closesocket,
at_bind,
NULL,
at_connect,
NULL,
at_sendto,
at_recvfrom,
at_getsockopt,
at_setsockopt,
at_shutdown,
NULL,
NULL,
NULL,
#ifdef SAL_USING_POSIX
at_poll,
#else
NULL,
#endif /* SAL_USING_POSIX */
};
static int at_create(struct sal_socket *socket, int type, int protocol)
{
RT_ASSERT(socket);
//TODO Check type & protocol
socket->ops = &at_inet_stream_ops;
return 0;
}
static const struct proto_family at_inet_family_ops = {
AF_AT,
AF_INET,
at_create,
at_gethostbyname,
NULL,
at_freeaddrinfo,
at_getaddrinfo,
};
int at_inet_init(void)
{
sal_proto_family_register(&at_inet_family_ops);
return 0;
}
INIT_COMPONENT_EXPORT(at_inet_init);

302
components/net/sal_socket/impl/af_inet_lwip.c Normal file
View File

@ -0,0 +1,302 @@
/*
* File : af_inet_lwip.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2018, 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
* 2018-05-17 ChenYong First version
*/
#include <rtthread.h>
#include <lwip/sockets.h>
#include <lwip/netdb.h>
#include <lwip/api.h>
#include <lwip/init.h>
#ifdef SAL_USING_POSIX
#include <dfs_poll.h>
#endif
#include <sal.h>
#if LWIP_VERSION < 0x2000000
#define SELWAIT_T int
#else
#ifndef SELWAIT_T
#define SELWAIT_T u8_t
#endif
#endif
/*
* Re-define lwip socket
*
* NOTE: please make sure the definitions same in lwip::net_socket.c
*/
struct lwip_sock {
/** sockets currently are built on netconns, each socket has one netconn */
struct netconn *conn;
/** data that was left from the previous read */
void *lastdata;
/** offset in the data that was left from the previous read */
u16_t lastoffset;
/** number of times data was received, set by event_callback(),
tested by the receive and select functions */
s16_t rcvevent;
/** number of times data was ACKed (free send buffer), set by event_callback(),
tested by select */
u16_t sendevent;
/** error happened for this socket, set by event_callback(), tested by select */
u16_t errevent;
/** last error that occurred on this socket */
#if LWIP_VERSION < 0x2000000
int err;
#else
u8_t err;
#endif
/** counter of how many threads are waiting for this socket using select */
SELWAIT_T select_waiting;
#ifdef SAL_USING_POSIX
rt_wqueue_t wait_head;
#endif
};
extern struct lwip_sock *lwip_tryget_socket(int s);
static void event_callback(struct netconn *conn, enum netconn_evt evt, u16_t len)
{
int s;
struct lwip_sock *sock;
uint32_t event = 0;
SYS_ARCH_DECL_PROTECT(lev);
LWIP_UNUSED_ARG(len);
/* Get socket */
if (conn)
{
s = conn->socket;
if (s < 0)
{
/* Data comes in right away after an accept, even though
* the server task might not have created a new socket yet.
* Just count down (or up) if that's the case and we
* will use the data later. Note that only receive events
* can happen before the new socket is set up. */
SYS_ARCH_PROTECT(lev);
if (conn->socket < 0)
{
if (evt == NETCONN_EVT_RCVPLUS)
{
conn->socket--;
}
SYS_ARCH_UNPROTECT(lev);
return;
}
s = conn->socket;
SYS_ARCH_UNPROTECT(lev);
}
sock = lwip_tryget_socket(s);
if (!sock)
{
return;
}
}
else
{
return;
}
SYS_ARCH_PROTECT(lev);
/* Set event as required */
switch (evt)
{
case NETCONN_EVT_RCVPLUS:
sock->rcvevent++;
break;
case NETCONN_EVT_RCVMINUS:
sock->rcvevent--;
break;
case NETCONN_EVT_SENDPLUS:
sock->sendevent = 1;
break;
case NETCONN_EVT_SENDMINUS:
sock->sendevent = 0;
break;
case NETCONN_EVT_ERROR:
sock->errevent = 1;
break;
default:
LWIP_ASSERT("unknown event", 0);
break;
}
if (sock->lastdata || sock->rcvevent > 0)
event |= POLLIN;
if (sock->sendevent)
event |= POLLOUT;
if (sock->errevent)
event |= POLLERR;
SYS_ARCH_UNPROTECT(lev);
if (event)
{
#ifdef SAL_USING_POSIX
rt_wqueue_wakeup(&sock->wait_head, (void*) event);
#endif
}
}
static int inet_socket(int domain, int type, int protocol)
{
int socket;
socket = lwip_socket(domain, type, protocol);
if (socket >= 0)
{
struct lwip_sock *lwsock;
lwsock = lwip_tryget_socket(socket);
lwsock->conn->callback = event_callback;
#ifdef SAL_USING_POSIX
rt_wqueue_init(&lwsock->wait_head);
#endif
}
return socket;
}
static int inet_accept(int socket, struct sockaddr *addr, socklen_t *addrlen)
{
int new_socket;
new_socket = lwip_accept(socket, addr, addrlen);
if (new_socket >= 0)
{
struct lwip_sock *lwsock;
lwsock = lwip_tryget_socket(new_socket);
#ifdef SAL_USING_POSIX
rt_wqueue_init(&lwsock->wait_head);
#endif
}
return new_socket;
}
static int inet_getsockname(int socket, struct sockaddr *name, socklen_t *namelen)
{
#if LWIP_VERSION_MAJOR < 2U
rt_kprintf("ERROR: Your lwIP version is not supported. Please using lwIP 2.0.0+.\n");
RT_ASSERT(LWIP_VERSION_MAJOR >= 2U);
#endif
return lwip_getsockname(socket, name, namelen);
}
static int inet_poll(struct dfs_fd *file, struct rt_pollreq *req)
{
int mask = 0;
struct lwip_sock *sock;
struct sal_socket *sal_sock;
sal_sock = sal_get_socket((int) file->data);
if(!sal_sock)
{
return -1;
}
sock = lwip_tryget_socket((int)sal_sock->user_data);
if (sock != NULL)
{
rt_base_t level;
rt_poll_add(&sock->wait_head, req);
level = rt_hw_interrupt_disable();
if (sock->lastdata || sock->rcvevent)
{
mask |= POLLIN;
}
if (sock->sendevent)
{
mask |= POLLOUT;
}
if (sock->errevent)
{
mask |= POLLERR;
}
rt_hw_interrupt_enable(level);
}
return mask;
}
static const struct proto_ops lwip_inet_stream_ops = {
inet_socket,
lwip_close,
lwip_bind,
lwip_listen,
lwip_connect,
inet_accept,
lwip_sendto,
lwip_recvfrom,
lwip_getsockopt,
//TODO fix on 1.4.1
lwip_setsockopt,
lwip_shutdown,
lwip_getpeername,
inet_getsockname,
lwip_ioctl,
inet_poll,
};
static int inet_create(struct sal_socket *socket, int type, int protocol)
{
RT_ASSERT(socket);
//TODO Check type & protocol
socket->ops = &lwip_inet_stream_ops;
return 0;
}
static const struct proto_family lwip_inet_family_ops = {
AF_INET,
AF_INET,
inet_create,
lwip_gethostbyname,
lwip_gethostbyname_r,
lwip_freeaddrinfo,
lwip_getaddrinfo,
};
int lwip_inet_init(void)
{
sal_proto_family_register(&lwip_inet_family_ops);
return 0;
}
INIT_COMPONENT_EXPORT(lwip_inet_init);

2
components/dfs/filesystems/net/dfs_net.h → components/net/sal_socket/include/dfs_net/dfs_net.h
View File

@ -30,7 +30,7 @@
extern "C" { extern "C" {
#endif #endif
#include <lwip/sockets.h> #include <dfs_file.h>
const struct dfs_file_ops* dfs_net_get_fops(void); const struct dfs_file_ops* dfs_net_get_fops(void);
int dfs_net_getsocket(int fd); int dfs_net_getsocket(int fd);

2
components/dfs/filesystems/net/select/sys/select.h → components/net/sal_socket/include/dfs_net/sys_select/sys/select.h
View File

@ -1,7 +1,7 @@
/* /*
* File : select.h * File : select.h
* This file is part of RT-Thread RTOS * This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2015, RT-Thread Development Team * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
* *
* This program is free software; you can redistribute it and/or modify * 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 * it under the terms of the GNU General Public License as published by

101
components/net/sal_socket/include/sal.h Normal file
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@ -0,0 +1,101 @@
/*
* File : sal.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2018, 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
* 2018-05-17 ChenYong First version
*/
#ifndef SAL_H__
#define SAL_H__
#include <dfs_file.h>
#include <rtdevice.h>
#if !defined(socklen_t) && !defined(SOCKLEN_T_DEFINED)
typedef uint32_t socklen_t;
#endif
/* sal socket magic word */
#define SAL_SOCKET_MAGIC 0x5A10
/* The maximum number of sockets structure */
#define SAL_SOCKETS_NUM DFS_FD_MAX
/* The maximum number of protocol families */
#ifndef SAL_PROTO_FAMILIES_NUM
#define SAL_PROTO_FAMILIES_NUM 4
#endif
/* sal socket offset */
#ifndef SAL_SOCKET_OFFSET
#define SAL_SOCKET_OFFSET 0
#endif
struct proto_ops
{
int (*socket) (int domain, int type, int protocol);
int (*closesocket)(int s);
int (*bind) (int s, const struct sockaddr *name, socklen_t namelen);
int (*listen) (int s, int backlog);
int (*connect) (int s, const struct sockaddr *name, socklen_t namelen);
int (*accept) (int s, struct sockaddr *addr, socklen_t *addrlen);
int (*sendto) (int s, const void *data, size_t size, int flags, const struct sockaddr *to, socklen_t tolen);
int (*recvfrom) (int s, void *mem, size_t len, int flags, struct sockaddr *from, socklen_t *fromlen);
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 (*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 (*ioctlsocket)(int s, long cmd, void *arg);
int (*poll) (struct dfs_fd *file, struct rt_pollreq *req);
};
struct sal_socket
{
uint32_t magic; /* sal socket magic word */
int socket; /* sal socket descriptor */
int domain;
int type;
int protocol;
const struct proto_ops *ops; /* socket options */
void *user_data; /* specific sal socket data */
};
struct proto_family
{
int family; /* primary protocol families type*/
int sec_family; /* secondary protocol families type*/
int (*create)(struct sal_socket *sal_socket, int type, int protocol); /* register socket options */
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);
};
/* SAL socket initialization */
int sal_init(void);
int sal_proto_family_register(const struct proto_family *pf);
struct sal_socket *sal_get_socket(int sock);
#endif /* SAL_H__ */

138
components/net/sal_socket/include/sal_ipaddr.h Normal file
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@ -0,0 +1,138 @@
/*
* File : sal_ipaddr.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2018, 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
* 2018-05-18 ChenYong First version
*/
#ifndef SAL_IPADDR_H__
#define SAL_IPADDR_H__
#include "sal_type.h"
/** IPv4 only: set the IP address given as an u32_t */
#define ip4_addr_set_u32(dest_ipaddr, src_u32) ((dest_ipaddr)->addr = (src_u32))
/** IPv4 only: get the IP address as an u32_t */
#define ip4_addr_get_u32(src_ipaddr) ((src_ipaddr)->addr)
#define IP4ADDR_STRLEN_MAX 16
/* These macros should be calculated by the preprocessor and are used
with compile-time constants only (so that there is no little-endian
overhead at runtime). */
#define PP_HTONS(x) ((((x) & 0x00ffUL) << 8) | (((x) & 0xff00UL) >> 8))
#define PP_NTOHS(x) PP_HTONS(x)
#define PP_HTONL(x) ((((x) & 0x000000ffUL) << 24) | \
(((x) & 0x0000ff00UL) << 8) | \
(((x) & 0x00ff0000UL) >> 8) | \
(((x) & 0xff000000UL) >> 24))
#define PP_NTOHL(x) PP_HTONL(x)
#define htons(x) (u16_t)PP_HTONS(x)
#define ntohs(x) (u16_t)PP_NTOHS(x)
#define htonl(x) (u32_t)PP_HTONL(x)
#define ntohl(x) (u32_t)PP_NTOHL(x)
/* If your port already typedef's in_addr_t, define IN_ADDR_T_DEFINED
to prevent this code from redefining it. */
#if !defined(in_addr_t) && !defined(IN_ADDR_T_DEFINED)
typedef u32_t in_addr_t;
#endif
struct in_addr
{
in_addr_t s_addr;
};
struct in6_addr
{
union
{
u32_t u32_addr[4];
u8_t u8_addr[16];
} un;
#define s6_addr un.u8_addr
};
enum sal_ip_addr_type
{
/** IPv4 */
IPADDR_TYPE_V4 = 0U,
/** IPv6 */
IPADDR_TYPE_V6 = 6U,
/** IPv4+IPv6 ("dual-stack") */
IPADDR_TYPE_ANY = 46U
};
typedef struct ip4_addr
{
u32_t addr;
} ip4_addr_t;
typedef struct ip6_addr
{
u32_t addr[4];
} ip6_addr_t;
typedef struct _ip_addr
{
union
{
ip6_addr_t ip6;
ip4_addr_t ip4;
} u_addr;
/** @ref sal_ip_addr_type */
u8_t type;
} ip_addr_t;
/** 255.255.255.255 */
#define IPADDR_NONE ((u32_t)0xffffffffUL)
/** 127.0.0.1 */
#define IPADDR_LOOPBACK ((u32_t)0x7f000001UL)
/** 0.0.0.0 */
#define IPADDR_ANY ((u32_t)0x00000000UL)
/** 255.255.255.255 */
#define IPADDR_BROADCAST ((u32_t)0xffffffffUL)
/** 255.255.255.255 */
#define INADDR_NONE IPADDR_NONE
/** 127.0.0.1 */
#define INADDR_LOOPBACK IPADDR_LOOPBACK
/** 0.0.0.0 */
#define INADDR_ANY IPADDR_ANY
/** 255.255.255.255 */
#define INADDR_BROADCAST IPADDR_BROADCAST
#define IPADDR_BROADCAST_STRING "255.255.255.255"
in_addr_t sal_ipaddr_addr(const char *cp);
int sal_ip4addr_aton(const char *cp, ip4_addr_t *addr);
char *sal_ip4addr_ntoa(const ip4_addr_t *addr);
char *sal_ip4addr_ntoa_r(const ip4_addr_t *addr, char *buf, int buflen);
#define inet_addr(cp) sal_ipaddr_addr(cp)
#define inet_aton(cp,addr) sal_ip4addr_aton(cp,(ip4_addr_t*)addr)
#define inet_ntoa(addr) sal_ip4addr_ntoa((const ip4_addr_t*)&(addr))
#define inet_ntoa_r(addr, buf, buflen) sal_ip4addr_ntoa_r((const ip4_addr_t*)&(addr), buf, buflen)
#ifdef __cplusplus
}
#endif
#endif /* SAL_IPADDR_H__ */

91
components/net/sal_socket/include/sal_netdb.h Normal file
View File

@ -0,0 +1,91 @@
/*
* File : sal_netdb.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2018, 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
* 2018-05-24 ChenYong First version
*/
#ifndef SAL_NETDB_H__
#define SAL_NETDB_H__
#include <sal_socket.h>
#define EAI_NONAME 200
#define EAI_SERVICE 201
#define EAI_FAIL 202
#define EAI_MEMORY 203
#define EAI_FAMILY 204
#define HOST_NOT_FOUND 210
#define NO_DATA 211
#define NO_RECOVERY 212
#define TRY_AGAIN 213
#define AI_PASSIVE 0x01
#define AI_CANONNAME 0x02
#define AI_NUMERICHOST 0x04
#define AI_NUMERICSERV 0x08
#define AI_V4MAPPED 0x10
#define AI_ALL 0x20
#define AI_ADDRCONFIG 0x40
/* input flags for structure addrinfo */
#define AI_PASSIVE 0x01
#define AI_CANONNAME 0x02
#define AI_NUMERICHOST 0x04
#define AI_NUMERICSERV 0x08
#define AI_V4MAPPED 0x10
#define AI_ALL 0x20
#define AI_ADDRCONFIG 0x40
#define DNS_MAX_NAME_LENGTH 256
struct hostent {
char *h_name; /* Official name of the host. */
char **h_aliases; /* A pointer to an array of pointers to alternative host names,
terminated by a null pointer. */
int h_addrtype; /* Address type. */
int h_length; /* The length, in bytes, of the address. */
char **h_addr_list; /* A pointer to an array of pointers to network addresses (in
network byte order) for the host, terminated by a null pointer. */
#define h_addr h_addr_list[0] /* for backward compatibility */
};
struct addrinfo {
int ai_flags; /* Input flags. */
int ai_family; /* Address family of socket. */
int ai_socktype; /* Socket type. */
int ai_protocol; /* Protocol of socket. */
socklen_t ai_addrlen; /* Length of socket address. */
struct sockaddr *ai_addr; /* Socket address of socket. */
char *ai_canonname; /* Canonical name of service location. */
struct addrinfo *ai_next; /* Pointer to next in list. */
};
struct hostent *sal_gethostbyname(const char *name);
int sal_gethostbyname_r(const char *name, struct hostent *ret, char *buf,
size_t buflen, struct hostent **result, int *h_errnop);
void sal_freeaddrinfo(struct addrinfo *ai);
int sal_getaddrinfo(const char *nodename,
const char *servname,
const struct addrinfo *hints,
struct addrinfo **res);
#endif /* SAL_NETDB_H__ */

166
components/net/sal_socket/include/sal_socket.h Normal file
View File

@ -0,0 +1,166 @@
/*
* File : sal_socket.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2018, 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
* 2018-05-24 ChenYong First version
*/
#ifndef SAL_SOCKET_H__
#define SAL_SOCKET_H__
#include "sal_ipaddr.h"
#if !defined(socklen_t) && !defined(SOCKLEN_T_DEFINED)
typedef uint32_t socklen_t;
#endif
#if !defined(sa_family_t) && !defined(SA_FAMILY_T_DEFINED)
typedef uint8_t sa_family_t;
#endif
/* If your port already typedef's in_port_t, define IN_PORT_T_DEFINED
to prevent this code from redefining it. */
#if !defined(in_port_t) && !defined(IN_PORT_T_DEFINED)
typedef uint16_t in_port_t;
#endif
/* Socket protocol types (TCP/UDP/RAW) */
#define SOCK_STREAM 1
#define SOCK_DGRAM 2
#define SOCK_RAW 3
#define SOCK_MAX (SOCK_RAW + 1)
/*
* Option flags per-socket. These must match the SOF_ flags in ip.h (checked in init.c)
*/
#define SO_REUSEADDR 0x0004 /* Allow local address reuse */
#define SO_KEEPALIVE 0x0008 /* keep connections alive */
#define SO_BROADCAST 0x0020 /* permit to send and to receive broadcast messages (see IP_SOF_BROADCAST option) */
/*
* Additional options, not kept in so_options.
*/
#define SO_DEBUG 0x0001 /* Unimplemented: turn on debugging info recording */
#define SO_ACCEPTCONN 0x0002 /* socket has had listen() */
#define SO_DONTROUTE 0x0010 /* Unimplemented: just use interface addresses */
#define SO_USELOOPBACK 0x0040 /* Unimplemented: bypass hardware when possible */
#define SO_LINGER 0x0080 /* linger on close if data present */
#define SO_DONTLINGER ((int)(~SO_LINGER))
#define SO_OOBINLINE 0x0100 /* Unimplemented: leave received OOB data in line */
#define SO_REUSEPORT 0x0200 /* Unimplemented: allow local address & port reuse */
#define SO_SNDBUF 0x1001 /* Unimplemented: send buffer size */
#define SO_RCVBUF 0x1002 /* receive buffer size */
#define SO_SNDLOWAT 0x1003 /* Unimplemented: send low-water mark */
#define SO_RCVLOWAT 0x1004 /* Unimplemented: receive low-water mark */
#define SO_SNDTIMEO 0x1005 /* send timeout */
#define SO_RCVTIMEO 0x1006 /* receive timeout */
#define SO_ERROR 0x1007 /* get error status and clear */
#define SO_TYPE 0x1008 /* get socket type */
#define SO_CONTIMEO 0x1009 /* Unimplemented: connect timeout */
#define SO_NO_CHECK 0x100a /* don't create UDP checksum */
/*
* Level number for (get/set)sockopt() to apply to socket itself.
*/
#define SOL_SOCKET 0xfff /* options for socket level */
#define AF_UNSPEC 0
#define AF_INET 2
#define AF_INET6 10
#define AF_CAN 29 /* Controller Area Network */
#define AF_AT 45 /* AT socket */
#define PF_INET AF_INET
#define PF_INET6 AF_INET6
#define PF_UNSPEC AF_UNSPEC
#define PF_CAN AF_CAN
#define PF_AT AF_AT
#define AF_MAX (AF_AT + 1) /* For now.. */
#define IPPROTO_IP 0
#define IPPROTO_ICMP 1
#define IPPROTO_TCP 6
#define IPPROTO_UDP 17
#define IPPROTO_IPV6 41
#define IPPROTO_ICMPV6 58
#define IPPROTO_UDPLITE 136
#define IPPROTO_RAW 255
/* Flags we can use with send and recv. */
#define MSG_PEEK 0x01 /* Peeks at an incoming message */
#define MSG_WAITALL 0x02 /* Unimplemented: Requests that the function block until the full amount of data requested can be returned */
#define MSG_OOB 0x04 /* Unimplemented: Requests out-of-band data. The significance and semantics of out-of-band data are protocol-specific */
#define MSG_DONTWAIT 0x08 /* Nonblocking i/o for this operation only */
#define MSG_MORE 0x10 /* Sender will send more */
/*
* Options for level IPPROTO_TCP
*/
#define TCP_NODELAY 0x01 /* don't delay send to coalesce packets */
#define TCP_KEEPALIVE 0x02 /* send KEEPALIVE probes when idle for pcb->keep_idle milliseconds */
#define TCP_KEEPIDLE 0x03 /* set pcb->keep_idle - Same as TCP_KEEPALIVE, but use seconds for get/setsockopt */
#define TCP_KEEPINTVL 0x04 /* set pcb->keep_intvl - Use seconds for get/setsockopt */
#define TCP_KEEPCNT 0x05 /* set pcb->keep_cnt - Use number of probes sent for get/setsockopt */
struct sockaddr {
uint8_t sa_len;
sa_family_t sa_family;
char sa_data[14];
};
/* members are in network byte order */
struct sockaddr_in {
uint8_t sin_len;
sa_family_t sin_family;
in_port_t sin_port;
struct in_addr sin_addr;
#define SIN_ZERO_LEN 8
char sin_zero[SIN_ZERO_LEN];
};
struct sockaddr_storage {
uint8_t s2_len;
sa_family_t ss_family;
char s2_data1[2];
uint32_t s2_data2[3];
#if SAL_IPV6
u32_t s2_data3[3];
#endif /* SAL_IPV6 */
};
int sal_accept(int socket, struct sockaddr *addr, socklen_t *addrlen);
int sal_bind(int socket, const struct sockaddr *name, socklen_t namelen);
int sal_shutdown(int socket, int how);
int sal_getpeername (int socket, struct sockaddr *name, socklen_t *namelen);
int sal_getsockname (int socket, struct sockaddr *name, socklen_t *namelen);
int sal_getsockopt (int socket, int level, int optname, void *optval, socklen_t *optlen);
int sal_setsockopt (int socket, int level, int optname, const void *optval, socklen_t optlen);
int sal_connect(int socket, const struct sockaddr *name, socklen_t namelen);
int sal_listen(int socket, int backlog);
int sal_recvfrom(int socket, void *mem, size_t len, int flags,
struct sockaddr *from, socklen_t *fromlen);
int sal_sendto(int socket, const void *dataptr, size_t size, int flags,
const struct sockaddr *to, socklen_t tolen);
int sal_socket(int domain, int type, int protocol);
int sal_closesocket(int socket);
int sal_ioctlsocket(int socket, long cmd, void *arg);
#endif /* SAL_SOCKET_H__ */

40
components/net/sal_socket/include/sal_type.h Normal file
View File

@ -0,0 +1,40 @@
/*
* File : sal_type.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2018, 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
* 2018-05-17 ChenYong First version
*/
#ifndef SAL_TYPE_H__
#define SAL_TYPE_H__
#include <stdlib.h>
#include <stdint.h>
typedef int8_t err_t;
typedef uint8_t u8_t;
typedef int8_t s8_t;
typedef uint16_t u16_t;
typedef int16_t s16_t;
typedef uint32_t u32_t;
typedef int32_t s32_t;
typedef uintptr_t mem_ptr_t;
#endif /* SAL_TYPE_H__ */

4
components/dfs/filesystems/net/arpa/inet.h → components/net/sal_socket/include/socket/arpa/inet.h
View File

@ -1,7 +1,7 @@
/* /*
* File : inet.h * File : inet.h
* This file is part of RT-Thread RTOS * This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2015, RT-Thread Development Team * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
* *
* This program is free software; you can redistribute it and/or modify * 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 * it under the terms of the GNU General Public License as published by
@ -25,6 +25,6 @@
#ifndef INET_H__ #ifndef INET_H__
#define INET_H__ #define INET_H__
#include <lwip/inet.h> #include <sal_ipaddr.h>
#endif #endif

5
components/dfs/filesystems/net/netdb.h → components/net/sal_socket/include/socket/netdb.h
View File

@ -1,7 +1,7 @@
/* /*
* File : netdb.h * File : netdb.h
* This file is part of RT-Thread RTOS * This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2015, RT-Thread Development Team * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
* *
* This program is free software; you can redistribute it and/or modify * 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 * it under the terms of the GNU General Public License as published by
@ -20,6 +20,7 @@
* Change Logs: * Change Logs:
* Date Author Notes * Date Author Notes
* 2015-02-17 Bernard First version * 2015-02-17 Bernard First version
* 2108-05-24 ChenYong Add socket abstraction layer
*/ */
#ifndef NETDB_H__ #ifndef NETDB_H__
@ -29,7 +30,7 @@
extern "C" { extern "C" {
#endif #endif
#include <lwip/netdb.h> #include <sal_netdb.h>
struct hostent *gethostbyname(const char *name); struct hostent *gethostbyname(const char *name);

4
components/dfs/filesystems/net/netinet/in.h → components/net/sal_socket/include/socket/netinet/in.h
View File

@ -1,7 +1,7 @@
/* /*
* File : in.h * File : in.h
* This file is part of RT-Thread RTOS * This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2015, RT-Thread Development Team * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
* *
* This program is free software; you can redistribute it and/or modify * 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 * it under the terms of the GNU General Public License as published by
@ -25,7 +25,7 @@
#ifndef IN_H__ #ifndef IN_H__
#define IN_H__ #define IN_H__
#include <lwip/sockets.h> #include <sys/socket.h>
#ifndef IN6_IS_ADDR_MULTICAST #ifndef IN6_IS_ADDR_MULTICAST
#define IN6_IS_ADDR_MULTICAST(a) (((uint8_t *) (a))[0] == 0xff) #define IN6_IS_ADDR_MULTICAST(a) (((uint8_t *) (a))[0] == 0xff)

4
components/dfs/filesystems/net/netinet/tcp.h → components/net/sal_socket/include/socket/netinet/tcp.h
View File

@ -1,7 +1,7 @@
/* /*
* File : tcp.h * File : tcp.h
* This file is part of RT-Thread RTOS * This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2015, RT-Thread Development Team * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
* *
* This program is free software; you can redistribute it and/or modify * 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 * it under the terms of the GNU General Public License as published by
@ -25,6 +25,6 @@
#ifndef TCP_H__ #ifndef TCP_H__
#define TCP_H__ #define TCP_H__
#include <lwip/sockets.h> #include <sys/socket.h>
#endif #endif

4
components/dfs/filesystems/net/netinet/udp.h → components/net/sal_socket/include/socket/netinet/udp.h
View File

@ -1,7 +1,7 @@
/* /*
* File : udp.h * File : udp.h
* This file is part of RT-Thread RTOS * This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2015, RT-Thread Development Team * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
* *
* This program is free software; you can redistribute it and/or modify * 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 * it under the terms of the GNU General Public License as published by
@ -25,6 +25,6 @@
#ifndef UDP_H__ #ifndef UDP_H__
#define UDP_H__ #define UDP_H__
#include <lwip/sockets.h> #include <sys/socket.h>
#endif #endif

70
components/dfs/filesystems/net/socket/sys/socket.h → components/net/sal_socket/include/socket/sys_socket/sys/socket.h
View File

@ -1,7 +1,7 @@
/* /*
* File : socket.h * File : socket.h
* This file is part of RT-Thread RTOS * This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2015, RT-Thread Development Team * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
* *
* This program is free software; you can redistribute it and/or modify * 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 * it under the terms of the GNU General Public License as published by
@ -20,74 +20,18 @@
* Change Logs: * Change Logs:
* Date Author Notes * Date Author Notes
* 2015-02-17 Bernard First version * 2015-02-17 Bernard First version
* 2018-05-17 ChenYong Add socket abstraction layer
*/ */
#ifndef SOCKET_H__ #ifndef SYS_SOCKET_H_
#define SOCKET_H__ #define SYS_SOCKET_H_
#include <sal_socket.h>
#ifdef __cplusplus #ifdef __cplusplus
extern "C" { extern "C" {
#endif #endif
#include <inttypes.h>
#include <lwip/sockets.h>
#include <lwip/api.h>
#include <lwip/init.h>
#include <rtdevice.h>
#if LWIP_VERSION < 0x2000000
typedef uint16_t sa_family_t;
typedef uint16_t in_port_t;
struct sockaddr_storage
{
sa_family_t ss_family; /* Address family */
char ss_data[14]; /* 14-bytes of address data */
};
#endif
#if LWIP_VERSION < 0x2000000
#define SELWAIT_T int
#else
#ifndef SELWAIT_T
#define SELWAIT_T u8_t
#endif
#endif
/*
* Re-define lwip socket
*
* NOTE: please make sure the definitions same in lwip::net_socket.c
*/
struct lwip_sock {
/** sockets currently are built on netconns, each socket has one netconn */
struct netconn *conn;
/** data that was left from the previous read */
void *lastdata;
/** offset in the data that was left from the previous read */
u16_t lastoffset;
/** number of times data was received, set by event_callback(),
tested by the receive and select functions */
s16_t rcvevent;
/** number of times data was ACKed (free send buffer), set by event_callback(),
tested by select */
u16_t sendevent;
/** error happened for this socket, set by event_callback(), tested by select */
u16_t errevent;
/** last error that occurred on this socket */
#if LWIP_VERSION < 0x2000000
int err;
#else
u8_t err;
#endif
/** counter of how many threads are waiting for this socket using select */
SELWAIT_T select_waiting;
rt_wqueue_t wait_head;
};
struct lwip_sock *lwip_tryget_socket(int s);
int accept(int s, struct sockaddr *addr, socklen_t *addrlen); int accept(int s, struct sockaddr *addr, socklen_t *addrlen);
int bind(int s, const struct sockaddr *name, socklen_t namelen); int bind(int s, const struct sockaddr *name, socklen_t namelen);
int shutdown(int s, int how); int shutdown(int s, int how);
@ -111,4 +55,4 @@ int ioctlsocket(int s, long cmd, void *arg);
} }
#endif #endif
#endif #endif /* _SYS_SOCKET_H_ */

16
components/dfs/filesystems/net/net_netdb.c → components/net/sal_socket/socket/net_netdb.c
View File

@ -1,5 +1,5 @@
/* /*
* File : netdb.c * File : net_netdb.c
* This file is part of RT-Thread RTOS * This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2015, RT-Thread Development Team * COPYRIGHT (C) 2015, RT-Thread Development Team
* *
@ -20,26 +20,28 @@
* Change Logs: * Change Logs:
* Date Author Notes * Date Author Notes
* 2015-02-17 Bernard First version * 2015-02-17 Bernard First version
* 2108-05-24 ChenYong Add socket abstraction layer
*/ */
#include "netdb.h" #include <rtthread.h>
#include <lwip/netdb.h>
#include <netdb.h>
struct hostent *gethostbyname(const char *name) struct hostent *gethostbyname(const char *name)
{ {
return lwip_gethostbyname(name); return sal_gethostbyname(name);
} }
RTM_EXPORT(gethostbyname); RTM_EXPORT(gethostbyname);
int gethostbyname_r(const char *name, struct hostent *ret, char *buf, int gethostbyname_r(const char *name, struct hostent *ret, char *buf,
size_t buflen, struct hostent **result, int *h_errnop) size_t buflen, struct hostent **result, int *h_errnop)
{ {
return lwip_gethostbyname_r(name, ret, buf, buflen, result, h_errnop); return sal_gethostbyname_r(name, ret, buf, buflen, result, h_errnop);
} }
void freeaddrinfo(struct addrinfo *ai) void freeaddrinfo(struct addrinfo *ai)
{ {
lwip_freeaddrinfo(ai); sal_freeaddrinfo(ai);
} }
RTM_EXPORT(freeaddrinfo); RTM_EXPORT(freeaddrinfo);
@ -48,6 +50,6 @@ int getaddrinfo(const char *nodename,
const struct addrinfo *hints, const struct addrinfo *hints,
struct addrinfo **res) struct addrinfo **res)
{ {
return lwip_getaddrinfo(nodename, servname, hints, res); return sal_getaddrinfo(nodename, servname, hints, res);
} }
RTM_EXPORT(getaddrinfo); RTM_EXPORT(getaddrinfo);

284
components/net/sal_socket/socket/net_sockets.c Normal file
View File

@ -0,0 +1,284 @@
/*
* File : net_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
* 2018-05-17 ChenYong Add socket abstraction layer
*/
#include <dfs.h>
#include <dfs_file.h>
#include <dfs_poll.h>
#include <dfs_net.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(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;
}
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 socket;
struct dfs_fd *d;
d = fd_get(s);
if (d == NULL)
{
rt_set_errno(-EBADF);
return -1;
}
socket = dfs_net_getsocket(s);
if (sal_shutdown(socket, 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 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 socket = dfs_net_getsocket(s);
struct dfs_fd *d;
d = fd_get(s);
if(!d)
{
return -1;
}
if (sal_closesocket(socket) == 0)
{
/* socket has been closed, delete it from file system fd */
fd_put(d);
fd_put(d);
return 0;
}
return -1;
}
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);

271
components/net/sal_socket/src/sal_ipaddr.c Normal file
View File

@ -0,0 +1,271 @@
/*
* File : sal_ipaddr.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2018, 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
* 2018-05-18 ChenYong First version
*/
#include <sal_ipaddr.h>
#include <rtthread.h>
/* Here for now until needed in other places in lwIP */
#ifndef isprint
#define in_range(c, lo, up) ((u8_t)c >= lo && (u8_t)c <= up)
#define isprint(c) in_range(c, 0x20, 0x7f)
#define isdigit(c) in_range(c, '0', '9')
#define isxdigit(c) (isdigit(c) || in_range(c, 'a', 'f') || in_range(c, 'A', 'F'))
#define islower(c) in_range(c, 'a', 'z')
#define isspace(c) (c == ' ' || c == '\f' || c == '\n' || c == '\r' || c == '\t' || c == '\v')
#endif
/**
* Check whether "cp" is a valid ascii representation
* of an Internet address and convert to a binary address.
* Returns 1 if the address is valid, 0 if not.
* This replaces inet_addr, the return value from which
* cannot distinguish between failure and a local broadcast address.
*
* @param cp IP address in ascii representation (e.g. "127.0.0.1")
* @param addr pointer to which to save the ip address in network order
* @return 1 if cp could be converted to addr, 0 on failure
*/
int sal_ip4addr_aton(const char *cp, ip4_addr_t *addr)
{
u32_t val;
u8_t base;
char c;
u32_t parts[4];
u32_t *pp = parts;
c = *cp;
for (;;)
{
/*
* Collect number up to ``.''.
* Values are specified as for C:
* 0x=hex, 0=octal, 1-9=decimal.
*/
if (!isdigit(c))
{
return 0;
}
val = 0;
base = 10;
if (c == '0')
{
c = *++cp;
if (c == 'x' || c == 'X')
{
base = 16;
c = *++cp;
}
else
{
base = 8;
}
}
for (;;)
{
if (isdigit(c))
{
val = (val * base) + (u32_t) (c - '0');
c = *++cp;
}
else if (base == 16 && isxdigit(c))
{
val = (val << 4) | (u32_t) (c + 10 - (islower(c) ? 'a' : 'A'));
c = *++cp;
}
else
{
break;
}
}
if (c == '.')
{
/*
* Internet format:
* a.b.c.d
* a.b.c (with c treated as 16 bits)
* a.b (with b treated as 24 bits)
*/
if (pp >= parts + 3)
{
return 0;
}
*pp++ = val;
c = *++cp;
}
else
{
break;
}
}
/*
* Check for trailing characters.
*/
if (c != '\0' && !isspace(c))
{
return 0;
}
/*
* Concoct the address according to
* the number of parts specified.
*/
switch (pp - parts + 1)
{
case 0:
return 0; /* initial nondigit */
case 1: /* a -- 32 bits */
break;
case 2: /* a.b -- 8.24 bits */
if (val > 0xffffffUL)
{
return 0;
}
if (parts[0] > 0xff)
{
return 0;
}
val |= parts[0] << 24;
break;
case 3: /* a.b.c -- 8.8.16 bits */
if (val > 0xffff)
{
return 0;
}
if ((parts[0] > 0xff) || (parts[1] > 0xff))
{
return 0;
}
val |= (parts[0] << 24) | (parts[1] << 16);
break;
case 4: /* a.b.c.d -- 8.8.8.8 bits */
if (val > 0xff)
{
return 0;
}
if ((parts[0] > 0xff) || (parts[1] > 0xff) || (parts[2] > 0xff))
{
return 0;
}
val |= (parts[0] << 24) | (parts[1] << 16) | (parts[2] << 8);
break;
default:
RT_ASSERT(0);
break;
}
if (addr)
{
ip4_addr_set_u32(addr, htonl(val));
}
return 1;
}
/**
* Same as ipaddr_ntoa, but reentrant since a user-supplied buffer is used.
*
* @param addr ip address in network order to convert
* @param buf target buffer where the string is stored
* @param buflen length of buf
* @return either pointer to buf which now holds the ASCII
* representation of addr or NULL if buf was too small
*/
char *sal_ip4addr_ntoa_r(const ip4_addr_t *addr, char *buf, int buflen)
{
u32_t s_addr;
char inv[3];
char *rp;
u8_t *ap;
u8_t rem;
u8_t n;
u8_t i;
int len = 0;
s_addr = ip4_addr_get_u32(addr);
rp = buf;
ap = (u8_t *) &s_addr;
for (n = 0; n < 4; n++)
{
i = 0;
do
{
rem = *ap % (u8_t) 10;
*ap /= (u8_t) 10;
inv[i++] = (char) ('0' + rem);
} while (*ap);
while (i--)
{
if (len++ >= buflen)
{
return NULL;
}
*rp++ = inv[i];
}
if (len++ >= buflen)
{
return NULL;
}
*rp++ = '.';
ap++;
}
*--rp = 0;
return buf;
}
/**
* Convert numeric IP address into decimal dotted ASCII representation.
* returns ptr to static buffer; not reentrant!
*
* @param addr ip address in network order to convert
* @return pointer to a global static (!) buffer that holds the ASCII
* representation of addr
*/
char *sal_ip4addr_ntoa(const ip4_addr_t *addr)
{
static char str[IP4ADDR_STRLEN_MAX];
return sal_ip4addr_ntoa_r(addr, str, IP4ADDR_STRLEN_MAX);
}
/**
* Ascii internet address interpretation routine.
* The value returned is in network order.
*
* @param cp IP address in ascii representation (e.g. "127.0.0.1")
* @return ip address in network order
*/
in_addr_t sal_ipaddr_addr(const char *cp)
{
ip4_addr_t val;
if (sal_ip4addr_aton(cp, &val)) {
return ip4_addr_get_u32(&val);
}
return (IPADDR_NONE);
}

730
components/net/sal_socket/src/sal_socket.c Normal file
View File

@ -0,0 +1,730 @@
/*
* File : sal_socket.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2018, 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
* 2018-05-23 ChenYong First version
*/
#include <rtthread.h>
#include <rthw.h>
#include <sal_socket.h>
#include <sal_netdb.h>
#include <sal.h>
#define DBG_ENABLE
#define DBG_SECTION_NAME "SAL_SOC"
#define DBG_LEVEL DBG_INFO
#define DBG_COLOR
#include <rtdbg.h>
/* the socket table used to dynamic allocate sockets */
struct sal_socket_table
{
uint32_t max_socket;
struct sal_socket **sockets;
};
/* The global array of available protocol families */
static struct proto_family proto_families[SAL_PROTO_FAMILIES_NUM];
/* The global socket table */
static struct sal_socket_table socket_table;
static struct rt_mutex sal_core_lock;
static rt_bool_t init_ok = RT_FALSE;
/**
* SAL (Socket Abstraction Layer) initialization.
*
* @return result
* >= 0: initialize success
*/
int sal_init(void)
{
if(init_ok)
{
LOG_D("Socket Abstraction Layer is already initialized.");
return 0;
}
/* clean sal socket table */
memset(&socket_table, 0, sizeof(socket_table));
/* create sal socket lock */
rt_mutex_init(&sal_core_lock, "sal_lock", RT_IPC_FLAG_FIFO);
LOG_I("Socket Abstraction Layer initialize success.");
init_ok = RT_TRUE;
return 0;
}
INIT_COMPONENT_EXPORT(sal_init);
/**
* this function will register the current protocol family to the global array of protocol families.
*
* @param pf protocol families structure
*
* @return 0 : protocol families structure index
* -1 : the global array of available protocol families is full
*/
int sal_proto_family_register(const struct proto_family *pf)
{
rt_base_t level;
int idx;
/* disable interrupt */
level = rt_hw_interrupt_disable();
/* find an empty protocol family entry */
for(idx = 0; idx < SAL_PROTO_FAMILIES_NUM && proto_families[idx].create; idx++);
/* can't find an empty protocol family entry */
if(idx == SAL_PROTO_FAMILIES_NUM)
{
/* enable interrupt */
rt_hw_interrupt_enable(level);
return -1;
}
proto_families[idx].family = pf->family;
proto_families[idx].sec_family = pf->sec_family;
proto_families[idx].create = pf->create;
proto_families[idx].gethostbyname = pf->gethostbyname;
proto_families[idx].gethostbyname_r = pf->gethostbyname_r;
proto_families[idx].freeaddrinfo = pf->freeaddrinfo;
proto_families[idx].getaddrinfo = pf->getaddrinfo;
/* enable interrupt */
rt_hw_interrupt_enable(level);
return 0;
}
/**
* this function will get socket structure by sal socket descriptor
*
* @param socket sal socket index
*
* @return socket structure of the current sal socket index
*/
struct sal_socket *sal_get_socket(int socket)
{
struct sal_socket_table *st = &socket_table;
if (socket < 0 || socket >= (int) st->max_socket)
{
return RT_NULL;
}
socket = socket - SAL_SOCKET_OFFSET;
/* check socket structure valid or not */
if (st->sockets[socket]->magic != SAL_SOCKET_MAGIC)
{
return RT_NULL;
}
return st->sockets[socket];
}
/**
* this function will lock sal socket.
*
* @note please don't invoke it on ISR.
*/
static void sal_lock(void)
{
rt_err_t result;
result = rt_mutex_take(&sal_core_lock, RT_WAITING_FOREVER);
if (result != RT_EOK)
{
RT_ASSERT(0);
}
}
/**
* this function will lock sal socket.
*
* @note please don't invoke it on ISR.
*/
static void sal_unlock(void)
{
rt_mutex_release(&sal_core_lock);
}
/**
* this function will get protocol family structure by family type
*
* @param family protocol family
*
* @return protocol family structure address
*/
static struct proto_family *get_proto_family(int family)
{
int idx;
for (idx = 0; idx < SAL_PROTO_FAMILIES_NUM; idx++)
{
if (proto_families[idx].family == family && proto_families[idx].create)
{
return &proto_families[idx];
}
}
/* compare the secondary protocol families when primary protocol families find failed */
for (idx = 0; idx < SAL_PROTO_FAMILIES_NUM; idx++)
{
if (proto_families[idx].sec_family == family && proto_families[idx].create)
{
return &proto_families[idx];
}
}
return RT_NULL;
}
/**
* this function will initialize socket structure and set socket options
*
* @param family protocol family
* @param type socket type
* @param protocol transfer Protocol
* @param res socket structure address
*
* @return 0 : socket initialize success
* -1 : input the wrong family
* -2 : input the wrong socket type
* -3 : get protocol family structure failed
* -4 : set socket options failed
*/
static int socket_init(int family, int type, int protocol, struct sal_socket **res)
{
struct sal_socket *sock;
struct proto_family *pf;
if (family < 0 || family > AF_MAX)
{
return -1;
}
if (type < 0 || type > SOCK_MAX)
{
return -2;
}
sock = *res;
sock->domain = family;
sock->type = type;
sock->protocol = protocol;
/* get socket protocol family structure */
if ((pf = get_proto_family(family)) == RT_NULL)
{
return -3;
}
/* registered the current socket options */
if (pf->create(sock, type, protocol) != 0)
{
return -4;
}
return 0;
}
static int socket_alloc(struct sal_socket_table *st, int f_socket)
{
int idx;
/* find an empty socket entry */
for (idx = f_socket; idx < (int) st->max_socket; idx++)
{
if (st->sockets[idx] == RT_NULL)
break;
if (st->sockets[idx]->ops == RT_NULL)
break;
}
/* allocate a larger sockte container */
if (idx == (int) st->max_socket && st->max_socket < SAL_SOCKETS_NUM)
{
int cnt, index;
struct sal_socket **sockets;
/* increase the number of FD with 4 step length */
cnt = st->max_socket + 4;
cnt = cnt > SAL_SOCKETS_NUM ? SAL_SOCKETS_NUM : cnt;
sockets = rt_realloc(st->sockets, cnt * sizeof(struct sal_socket *));
if (sockets == RT_NULL)
goto __result; /* return st->max_socket */
/* clean the new allocated fds */
for (index = st->max_socket; index < cnt; index++)
{
sockets[index] = RT_NULL;
}
st->sockets = sockets;
st->max_socket = cnt;
}
/* allocate 'struct sal_socket' */
if (idx < (int) st->max_socket && st->sockets[idx] == RT_NULL)
{
st->sockets[idx] = rt_malloc(sizeof(struct sal_socket));
if (st->sockets[idx] == RT_NULL)
{
idx = st->max_socket;
}
}
__result:
return idx;
}
/**
* this function will return a empty sal socket structure address
*
* @return sal socket structure address
*/
static int socket_new(void)
{
struct sal_socket *sock;
struct sal_socket_table *st = &socket_table;
int idx;
sal_lock();
/* find an empty sal socket entry */
idx = socket_alloc(st, 0);
/* can't find an empty sal socket entry */
if (idx == (int) st->max_socket)
{
idx = -(1 + SAL_SOCKET_OFFSET);
goto __result;
}
sock = st->sockets[idx];
sock->socket = idx + SAL_SOCKET_OFFSET;
sock->magic = SAL_SOCKET_MAGIC;
__result:
sal_unlock();
return idx + SAL_SOCKET_OFFSET;
}
int sal_accept(int socket, struct sockaddr *addr, socklen_t *addrlen)
{
int new_socket;
struct sal_socket *sock;
sock = sal_get_socket(socket);
if (!sock)
{
return -1;
}
if (sock->ops->accept == RT_NULL)
{
return -RT_ENOSYS;
}
new_socket = sock->ops->accept((int) sock->user_data, addr, addrlen);
if (new_socket != -1)
{
int retval;
int new_socket;
struct sal_socket *new_sock;
/* allocate a new socket structure and registered socket options */
new_socket = socket_new();
if (new_socket < 0)
{
return -1;
}
new_sock = sal_get_socket(new_socket);
retval = socket_init(sock->domain, sock->type, sock->protocol, &new_sock);
if (retval < 0)
{
LOG_E("New socket registered failed, return error %d.", retval);
return -1;
}
/* socket struct user_data used to store the acquired new socket */
new_sock->user_data = (void *) new_socket;
return new_sock->socket;
}
return -1;
}
int sal_bind(int socket, const struct sockaddr *name, socklen_t namelen)
{
struct sal_socket *sock;
sock = sal_get_socket(socket);
if (!sock)
{
return -1;
}
if (sock->ops->bind == RT_NULL)
{
return -RT_ENOSYS;
}
return sock->ops->bind((int) sock->user_data, name, namelen);
}
int sal_shutdown(int socket, int how)
{
struct sal_socket *sock;
sock = sal_get_socket(socket);
if (!sock)
{
return -1;
}
if (sock->ops->shutdown == RT_NULL)
{
return -RT_ENOSYS;
}
if (sock->ops->shutdown((int) sock->user_data, how) == 0)
{
memset(sock, 0x00, sizeof(struct sal_socket));
return 0;
}
return -1;
}
int sal_getpeername(int socket, struct sockaddr *name, socklen_t *namelen)
{
struct sal_socket *sock;
sock = sal_get_socket(socket);
if (!sock)
{
return -1;
}
if (sock->ops->getpeername == RT_NULL)
{
return -RT_ENOSYS;
}
return sock->ops->getpeername((int) sock->user_data, name, namelen);
}
int sal_getsockname(int socket, struct sockaddr *name, socklen_t *namelen)
{
struct sal_socket *sock;
sock = sal_get_socket(socket);
if (!sock)
{
return -1;
}
if (sock->ops->getsockname == RT_NULL)
{
return -RT_ENOSYS;
}
return sock->ops->getsockname((int) sock->user_data, name, namelen);
}
int sal_getsockopt(int socket, int level, int optname, void *optval, socklen_t *optlen)
{
struct sal_socket *sock;
sock = sal_get_socket(socket);
if (!sock)
{
return -1;
}
if (sock->ops->getsockopt == RT_NULL)
{
return -RT_ENOSYS;
}
return sock->ops->getsockopt((int) sock->user_data, level, optname, optval, optlen);
}
int sal_setsockopt(int socket, int level, int optname, const void *optval, socklen_t optlen)
{
struct sal_socket *sock;
sock = sal_get_socket(socket);
if (!sock)
{
return -1;
}
if (sock->ops->setsockopt == RT_NULL)
{
return -RT_ENOSYS;
}
return sock->ops->setsockopt((int) sock->user_data, level, optname, optval, optlen);
}
int sal_connect(int socket, const struct sockaddr *name, socklen_t namelen)
{
struct sal_socket *sock;
sock = sal_get_socket(socket);
if (!sock)
{
return -1;
}
if (sock->ops->connect == RT_NULL)
{
return -RT_ENOSYS;
}
return sock->ops->connect((int) sock->user_data, name, namelen);
}
int sal_listen(int socket, int backlog)
{
struct sal_socket *sock;
sock = sal_get_socket(socket);
if (!sock)
{
return -1;
}
if (sock->ops->listen == RT_NULL)
{
return -RT_ENOSYS;
}
return sock->ops->listen((int) sock->user_data, backlog);
}
int sal_recvfrom(int socket, void *mem, size_t len, int flags,
struct sockaddr *from, socklen_t *fromlen)
{
struct sal_socket *sock;
sock = sal_get_socket(socket);
if (!sock)
{
return -1;
}
if (sock->ops->recvfrom == RT_NULL)
{
return -RT_ENOSYS;
}
return sock->ops->recvfrom((int) sock->user_data, mem, len, flags, from, fromlen);
}
int sal_sendto(int socket, const void *dataptr, size_t size, int flags,
const struct sockaddr *to, socklen_t tolen)
{
struct sal_socket *sock;
sock = sal_get_socket(socket);
if (!sock)
{
return -1;
}
if (sock->ops->sendto == RT_NULL)
{
return -RT_ENOSYS;
}
return sock->ops->sendto((int) sock->user_data, dataptr, size, flags, to, tolen);
}
int sal_socket(int domain, int type, int protocol)
{
int retval;
int socket, proto_socket;
struct sal_socket *sock;
/* allocate a new socket and registered socket options */
socket = socket_new();
if (socket < 0)
{
return -1;
}
sock = sal_get_socket(socket);
retval = socket_init(domain, type, protocol, &sock);
if (retval < 0)
{
LOG_E("SAL socket protocol family input failed, return error %d.", retval);
return -1;
}
if (sock->ops->socket == RT_NULL)
{
return -RT_ENOSYS;
}
proto_socket = sock->ops->socket(domain, type, protocol);
if (proto_socket >= 0)
{
sock->user_data = (void *) proto_socket;
return sock->socket;
}
return -1;
}
int sal_closesocket(int socket)
{
struct sal_socket *sock;
sock = sal_get_socket(socket);
if (!sock)
{
return -1;
}
if (sock->ops->closesocket == RT_NULL)
{
return -RT_ENOSYS;
}
if (sock->ops->closesocket((int) sock->user_data) == 0)
{
memset(sock, 0x00, sizeof(struct sal_socket));
return 0;
}
return -1;
}
int sal_ioctlsocket(int socket, long cmd, void *arg)
{
struct sal_socket *sock;
sock = sal_get_socket(socket);
if (!sock)
{
return -1;
}
if (sock->ops->ioctlsocket == RT_NULL)
{
return -RT_ENOSYS;
}
return sock->ops->ioctlsocket((int) sock->user_data, cmd, arg);
}
int sal_poll(struct dfs_fd *file, struct rt_pollreq *req)
{
struct sal_socket *sock;
int socket = (int) file->data;
sock = sal_get_socket(socket);
if (!sock)
{
return -1;
}
if (sock->ops->poll == RT_NULL)
{
return -RT_ENOSYS;
}
return sock->ops->poll(file, req);
}
struct hostent *sal_gethostbyname(const char *name)
{
int i;
for (i = 0; i < SAL_PROTO_FAMILIES_NUM; ++i)
{
if (proto_families[i].gethostbyname)
{
return proto_families[i].gethostbyname(name);
}
}
return RT_NULL;
}
int sal_gethostbyname_r(const char *name, struct hostent *ret, char *buf,
size_t buflen, struct hostent **result, int *h_errnop)
{
int i;
for (i = 0; i < SAL_PROTO_FAMILIES_NUM; ++i)
{
if (proto_families[i].gethostbyname_r)
{
return proto_families[i].gethostbyname_r(name, ret, buf, buflen, result, h_errnop);
}
}
return -1;
}
void sal_freeaddrinfo(struct addrinfo *ai)
{
int i;
for (i = 0; i < SAL_PROTO_FAMILIES_NUM; ++i)
{
if (proto_families[i].freeaddrinfo)
{
proto_families[i].freeaddrinfo(ai);
return;
}
}
}
int sal_getaddrinfo(const char *nodename,
const char *servname,
const struct addrinfo *hints,
struct addrinfo **res)
{
int i;
for (i = 0; i < SAL_PROTO_FAMILIES_NUM; ++i)
{
if (proto_families[i].getaddrinfo)
{
return proto_families[i].getaddrinfo(nodename, servname, hints, res);
}
}
return -1;
}

4
examples/network/chargen.c
View File

@ -1,13 +1,13 @@
#include <rtthread.h> #include <rtthread.h>
#include <sys/socket.h> #include <sys/socket.h>
#ifdef RT_USING_DFS_NET #ifdef SAL_USING_POSIX
#include <sys/select.h> // only dfs_net #include <sys/select.h> // only dfs_net
#include <dfs_posix.h> #include <dfs_posix.h>
#else #else
#define read lwip_read #define read lwip_read
#define write lwip_write #define write lwip_write
#endif /* RT_USING_DFS_NET */ #endif /* SAL_USING_POSIX */
#include "netdb.h" #include "netdb.h"

2
include/libc/libc_fdset.h
View File

@ -35,7 +35,7 @@
#else #else
#ifdef RT_USING_DFS_NET #ifdef SAL_USING_POSIX
#ifdef FD_SETSIZE #ifdef FD_SETSIZE
#undef FD_SETSIZE #undef FD_SETSIZE

4
include/rtdebug.h
View File

@ -29,8 +29,8 @@
#error "POSIX poll/select, stdin need file system(RT_USING_DFS) and device file system(RT_USING_DFS_DEVFS)" #error "POSIX poll/select, stdin need file system(RT_USING_DFS) and device file system(RT_USING_DFS_DEVFS)"
#endif #endif
#if defined(RT_USING_LWIP) && !defined(RT_USING_DFS_NET) #if defined(RT_USING_LWIP) && !defined(SAL_USING_POSIX)
#error "POSIX poll/select, stdin need file BSD socket API(RT_USING_DFS_NET)" #error "POSIX poll/select, stdin need file BSD socket API(SAL_USING_POSIX)"
#endif #endif
#if !defined(RT_USING_LIBC) #if !defined(RT_USING_LIBC)