1*10465441SEvalZero /* 2*10465441SEvalZero * Copyright (c) 2006-2018, RT-Thread Development Team 3*10465441SEvalZero * 4*10465441SEvalZero * SPDX-License-Identifier: Apache-2.0 5*10465441SEvalZero * 6*10465441SEvalZero * Change Logs: 7*10465441SEvalZero * Date Author Notes 8*10465441SEvalZero * 2018-05-17 ChenYong First version 9*10465441SEvalZero */ 10*10465441SEvalZero 11*10465441SEvalZero #ifndef SAL_H__ 12*10465441SEvalZero #define SAL_H__ 13*10465441SEvalZero 14*10465441SEvalZero #include <rtdevice.h> 15*10465441SEvalZero 16*10465441SEvalZero #ifdef SAL_USING_POSIX 17*10465441SEvalZero #include <dfs_file.h> 18*10465441SEvalZero #endif 19*10465441SEvalZero 20*10465441SEvalZero #ifdef __cplusplus 21*10465441SEvalZero extern "C" { 22*10465441SEvalZero #endif 23*10465441SEvalZero 24*10465441SEvalZero #if !defined(socklen_t) && !defined(SOCKLEN_T_DEFINED) 25*10465441SEvalZero typedef uint32_t socklen_t; 26*10465441SEvalZero #endif 27*10465441SEvalZero 28*10465441SEvalZero /* SAL socket magic word */ 29*10465441SEvalZero #define SAL_SOCKET_MAGIC 0x5A10 30*10465441SEvalZero 31*10465441SEvalZero /* The maximum number of sockets structure */ 32*10465441SEvalZero #ifndef SAL_SOCKETS_NUM 33*10465441SEvalZero #define SAL_SOCKETS_NUM DFS_FD_MAX 34*10465441SEvalZero #endif 35*10465441SEvalZero 36*10465441SEvalZero /* The maximum number of protocol families */ 37*10465441SEvalZero #ifndef SAL_PROTO_FAMILIES_NUM 38*10465441SEvalZero #define SAL_PROTO_FAMILIES_NUM 4 39*10465441SEvalZero #endif 40*10465441SEvalZero 41*10465441SEvalZero /* SAL socket offset */ 42*10465441SEvalZero #ifndef SAL_SOCKET_OFFSET 43*10465441SEvalZero #define SAL_SOCKET_OFFSET 0 44*10465441SEvalZero #endif 45*10465441SEvalZero 46*10465441SEvalZero struct sal_socket_ops 47*10465441SEvalZero { 48*10465441SEvalZero int (*socket) (int domain, int type, int protocol); 49*10465441SEvalZero int (*closesocket)(int s); 50*10465441SEvalZero int (*bind) (int s, const struct sockaddr *name, socklen_t namelen); 51*10465441SEvalZero int (*listen) (int s, int backlog); 52*10465441SEvalZero int (*connect) (int s, const struct sockaddr *name, socklen_t namelen); 53*10465441SEvalZero int (*accept) (int s, struct sockaddr *addr, socklen_t *addrlen); 54*10465441SEvalZero int (*sendto) (int s, const void *data, size_t size, int flags, const struct sockaddr *to, socklen_t tolen); 55*10465441SEvalZero int (*recvfrom) (int s, void *mem, size_t len, int flags, struct sockaddr *from, socklen_t *fromlen); 56*10465441SEvalZero int (*getsockopt) (int s, int level, int optname, void *optval, socklen_t *optlen); 57*10465441SEvalZero int (*setsockopt) (int s, int level, int optname, const void *optval, socklen_t optlen); 58*10465441SEvalZero int (*shutdown) (int s, int how); 59*10465441SEvalZero int (*getpeername)(int s, struct sockaddr *name, socklen_t *namelen); 60*10465441SEvalZero int (*getsockname)(int s, struct sockaddr *name, socklen_t *namelen); 61*10465441SEvalZero int (*ioctlsocket)(int s, long cmd, void *arg); 62*10465441SEvalZero #ifdef SAL_USING_POSIX 63*10465441SEvalZero int (*poll) (struct dfs_fd *file, struct rt_pollreq *req); 64*10465441SEvalZero #endif 65*10465441SEvalZero }; 66*10465441SEvalZero 67*10465441SEvalZero struct sal_proto_ops 68*10465441SEvalZero { 69*10465441SEvalZero struct hostent* (*gethostbyname) (const char *name); 70*10465441SEvalZero int (*gethostbyname_r)(const char *name, struct hostent *ret, char *buf, size_t buflen, struct hostent **result, int *h_errnop); 71*10465441SEvalZero int (*getaddrinfo) (const char *nodename, const char *servname, const struct addrinfo *hints, struct addrinfo **res); 72*10465441SEvalZero void (*freeaddrinfo) (struct addrinfo *ai); 73*10465441SEvalZero }; 74*10465441SEvalZero 75*10465441SEvalZero struct sal_socket 76*10465441SEvalZero { 77*10465441SEvalZero uint32_t magic; /* SAL socket magic word */ 78*10465441SEvalZero 79*10465441SEvalZero int socket; /* SAL socket descriptor */ 80*10465441SEvalZero int domain; 81*10465441SEvalZero int type; 82*10465441SEvalZero int protocol; 83*10465441SEvalZero 84*10465441SEvalZero const struct sal_socket_ops *ops; /* socket options */ 85*10465441SEvalZero 86*10465441SEvalZero void *user_data; /* user-specific data */ 87*10465441SEvalZero #ifdef SAL_USING_TLS 88*10465441SEvalZero void *user_data_tls; /* user-specific TLS data */ 89*10465441SEvalZero #endif 90*10465441SEvalZero }; 91*10465441SEvalZero 92*10465441SEvalZero struct sal_proto_family 93*10465441SEvalZero { 94*10465441SEvalZero int family; /* primary protocol families type */ 95*10465441SEvalZero int sec_family; /* secondary protocol families type */ 96*10465441SEvalZero int (*create)(struct sal_socket *sal_socket, int type, int protocol); /* register socket options */ 97*10465441SEvalZero 98*10465441SEvalZero struct sal_proto_ops *ops; /* protocol family options */ 99*10465441SEvalZero }; 100*10465441SEvalZero 101*10465441SEvalZero /* SAL(Socket Abstraction Layer) initialize */ 102*10465441SEvalZero int sal_init(void); 103*10465441SEvalZero 104*10465441SEvalZero struct sal_socket *sal_get_socket(int sock); 105*10465441SEvalZero 106*10465441SEvalZero /* SAL protocol family register and unregister operate */ 107*10465441SEvalZero int sal_proto_family_register(const struct sal_proto_family *pf); 108*10465441SEvalZero int sal_proto_family_unregister(int family); 109*10465441SEvalZero rt_bool_t sal_proto_family_is_registered(int family); 110*10465441SEvalZero struct sal_proto_family *sal_proto_family_find(int family); 111*10465441SEvalZero 112*10465441SEvalZero #ifdef __cplusplus 113*10465441SEvalZero } 114*10465441SEvalZero #endif 115*10465441SEvalZero 116*10465441SEvalZero #endif /* SAL_H__ */ 117