rt-thread/components/net/at/at_socket/at_socket.h

158 lines
5.3 KiB
C

/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2018-06-06 chenYong first version
*/
#ifndef __AT_SOCKET_H__
#define __AT_SOCKET_H__
#include <rtthread.h>
#include <rtdevice.h>
#include <rthw.h>
#include <netdb.h>
#include <sys/socket.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifndef AT_SOCKET_RECV_BFSZ
#define AT_SOCKET_RECV_BFSZ 512
#endif
#define AT_DEFAULT_RECVMBOX_SIZE 10
#define AT_DEFAULT_ACCEPTMBOX_SIZE 10
/* sal socket magic word */
#define AT_SOCKET_MAGIC 0xA100
/* Current state of the AT socket. */
enum at_socket_state
{
AT_SOCKET_NONE,
AT_SOCKET_LISTEN,
AT_SOCKET_CONNECT,
AT_SOCKET_CLOSED
};
enum at_socket_type
{
AT_SOCKET_INVALID = 0,
AT_SOCKET_TCP = 0x10, /* TCP IPv4 */
AT_SOCKET_UDP = 0x20, /* UDP IPv4 */
};
typedef enum
{
AT_SOCKET_EVT_RECV,
AT_SOCKET_EVT_CLOSED,
} at_socket_evt_t;
typedef void (*at_evt_cb_t)(int socket, at_socket_evt_t event, const char *buff, size_t bfsz);
struct at_socket;
/* A callback prototype to inform about events for AT socket */
typedef void (* at_socket_callback)(struct at_socket *conn, int event, uint16_t len);
/* AT device socket options function */
struct at_device_ops
{
int (*at_connect)(int socket, char *ip, int32_t port, enum at_socket_type type, rt_bool_t is_client);
int (*at_closesocket)(int socket);
int (*at_send)(int socket, const char *buff, size_t bfsz, enum at_socket_type type);
int (*at_domain_resolve)(const char *name, char ip[16]);
void (*at_set_event_cb)(at_socket_evt_t event, at_evt_cb_t cb);
};
/* AT receive package list structure */
struct at_recv_pkt
{
rt_slist_t list;
size_t bfsz_totle;
size_t bfsz_index;
char *buff;
};
typedef struct at_recv_pkt *at_recv_pkt_t;
struct at_socket
{
/* AT socket magic word */
uint32_t magic;
int socket;
/* type of the AT socket (TCP, UDP or RAW) */
enum at_socket_type type;
/* current state of the AT socket */
enum at_socket_state state;
/* receive semaphore, received data release semaphore */
rt_sem_t recv_notice;
rt_mutex_t recv_lock;
rt_slist_t recvpkt_list;
/* timeout to wait for send or received data in milliseconds */
int32_t recv_timeout;
int32_t send_timeout;
/* A callback function that is informed about events for this AT socket */
at_socket_callback callback;
/* number of times data was received, set by event_callback() */
uint16_t rcvevent;
/* number of times data was ACKed (free send buffer), set by event_callback() */
uint16_t sendevent;
/* error happened for this socket, set by event_callback() */
uint16_t errevent;
#ifdef SAL_USING_POSIX
rt_wqueue_t wait_head;
#endif
};
int at_socket(int domain, int type, int protocol);
int at_closesocket(int socket);
int at_shutdown(int socket, int how);
int at_bind(int socket, const struct sockaddr *name, socklen_t namelen);
int at_connect(int socket, const struct sockaddr *name, socklen_t namelen);
int at_sendto(int socket, const void *data, size_t size, int flags, const struct sockaddr *to, socklen_t tolen);
int at_send(int socket, const void *data, size_t size, int flags);
int at_recvfrom(int socket, void *mem, size_t len, int flags, struct sockaddr *from, socklen_t *fromlen);
int at_recv(int socket, void *mem, size_t len, int flags);
int at_getsockopt(int socket, int level, int optname, void *optval, socklen_t *optlen);
int at_setsockopt(int socket, int level, int optname, const void *optval, socklen_t optlen);
struct hostent *at_gethostbyname(const char *name);
int at_getaddrinfo(const char *nodename, const char *servname, const struct addrinfo *hints, struct addrinfo **res);
void at_freeaddrinfo(struct addrinfo *ai);
struct at_socket *at_get_socket(int socket);
void at_socket_device_register(const struct at_device_ops *ops);
#ifndef RT_USING_SAL
#define socket(domain, type, protocol) at_socket(domain, type, protocol)
#define closesocket(socket) at_closesocket(socket)
#define shutdown(socket, how) at_shutdown(socket, how)
#define bind(socket, name, namelen) at_bind(socket, name, namelen)
#define connect(socket, name, namelen) at_connect(socket, name, namelen)
#define sendto(socket, data, size, flags, to, tolen) at_sendto(socket, data, size, flags, to, tolen)
#define send(socket, data, size, flags) at_send(socket, data, size, flags)
#define recvfrom(socket, mem, len, flags, from, fromlen) at_recvfrom(socket, mem, len, flags, from, fromlen)
#define getsockopt(socket, level, optname, optval, optlen) at_getsockopt(socket, level, optname, optval, optlen)
#define setsockopt(socket, level, optname, optval, optlen) at_setsockopt(socket, level, optname, optval, optlen)
#define gethostbyname(name) at_gethostbyname(name)
#define getaddrinfo(nodename, servname, hints, res) at_getaddrinfo(nodename, servname, hints, res)
#define freeaddrinfo(ai) at_freeaddrinfo(ai)
#endif /* RT_USING_SAL */
#ifdef __cplusplus
}
#endif
#endif /* AT_SOCKET_H__ */