rt-thread-official/components/dfs/filesystems/net/socket/sys/socket.h

111 lines
3.4 KiB
C

/*
* File : socket.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
#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 */
int err;
/** 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 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);
int closesocket(int s);
int ioctlsocket(int s, long cmd, void *arg);
#ifdef __cplusplus
}
#endif
#endif