rt-thread-stm32f072/rt-thread/components/net/sal/include/sal_low_lvl.h

117 lines
3.7 KiB
C
Raw Normal View History

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
* 2018-05-17 ChenYong First version
* 2022-05-15 Meco Man rename sal.h as sal_low_lvl.h to avoid conflicts
* with Microsoft Visual Studio header file
*/
#ifndef SAL_LOW_LEVEL_H__
#define SAL_LOW_LEVEL_H__
#include <rtdevice.h>
#ifdef SAL_USING_POSIX
#include <dfs_file.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
#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 */
#ifndef SAL_SOCKETS_NUM
#define SAL_SOCKETS_NUM DFS_FD_MAX
#endif
/* 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 sal_socket
{
uint32_t magic; /* SAL socket magic word */
int socket; /* SAL socket descriptor */
int domain;
int type;
int protocol;
struct netdev *netdev; /* SAL network interface device */
void *user_data; /* user-specific data */
#ifdef SAL_USING_TLS
void *user_data_tls; /* user-specific TLS data */
#endif
};
/* network interface socket opreations */
struct sal_socket_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);
#ifdef SAL_USING_POSIX
int (*poll) (struct dfs_fd *file, struct rt_pollreq *req);
#endif
};
/* sal network database name resolving */
struct sal_netdb_ops
{
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);
int (*getaddrinfo) (const char *nodename, const char *servname, const struct addrinfo *hints, struct addrinfo **res);
void (*freeaddrinfo) (struct addrinfo *ai);
};
struct sal_proto_family
{
int family; /* primary protocol families type */
int sec_family; /* secondary protocol families type */
const struct sal_socket_ops *skt_ops; /* socket opreations */
const struct sal_netdb_ops *netdb_ops; /* network database opreations */
};
/* SAL(Socket Abstraction Layer) initialize */
int sal_init(void);
/* Get SAL socket object by socket descriptor */
struct sal_socket *sal_get_socket(int sock);
/* check SAL socket netweork interface device internet status */
int sal_check_netdev_internet_up(struct netdev *netdev);
#ifdef __cplusplus
}
#endif
#endif /* SAL_H__ */