122 lines
4.1 KiB
C
122 lines
4.1 KiB
C
/*
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* File : sal.h
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Change Logs:
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* Date Author Notes
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* 2018-05-17 ChenYong First version
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*/
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#ifndef SAL_H__
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#define SAL_H__
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#include <rtdevice.h>
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#ifdef SAL_USING_POSIX
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#include <dfs_file.h>
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if !defined(socklen_t) && !defined(SOCKLEN_T_DEFINED)
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typedef uint32_t socklen_t;
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#endif
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/* sal socket magic word */
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#define SAL_SOCKET_MAGIC 0x5A10
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/* The maximum number of sockets structure */
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#ifndef SAL_SOCKETS_NUM
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#define SAL_SOCKETS_NUM DFS_FD_MAX
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#endif
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/* The maximum number of protocol families */
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#ifndef SAL_PROTO_FAMILIES_NUM
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#define SAL_PROTO_FAMILIES_NUM 4
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#endif
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/* sal socket offset */
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#ifndef SAL_SOCKET_OFFSET
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#define SAL_SOCKET_OFFSET 0
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#endif
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struct proto_ops
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{
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int (*socket) (int domain, int type, int protocol);
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int (*closesocket)(int s);
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int (*bind) (int s, const struct sockaddr *name, socklen_t namelen);
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int (*listen) (int s, int backlog);
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int (*connect) (int s, const struct sockaddr *name, socklen_t namelen);
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int (*accept) (int s, struct sockaddr *addr, socklen_t *addrlen);
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int (*sendto) (int s, const void *data, size_t size, int flags, const struct sockaddr *to, socklen_t tolen);
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int (*recvfrom) (int s, void *mem, size_t len, int flags, struct sockaddr *from, socklen_t *fromlen);
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int (*getsockopt) (int s, int level, int optname, void *optval, socklen_t *optlen);
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int (*setsockopt) (int s, int level, int optname, const void *optval, socklen_t optlen);
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int (*shutdown) (int s, int how);
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int (*getpeername)(int s, struct sockaddr *name, socklen_t *namelen);
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int (*getsockname)(int s, struct sockaddr *name, socklen_t *namelen);
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int (*ioctlsocket)(int s, long cmd, void *arg);
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#ifdef SAL_USING_POSIX
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int (*poll) (struct dfs_fd *file, struct rt_pollreq *req);
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#endif
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};
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struct sal_socket
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{
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uint32_t magic; /* sal socket magic word */
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int socket; /* sal socket descriptor */
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int domain;
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int type;
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int protocol;
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const struct proto_ops *ops; /* socket options */
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void *user_data; /* specific sal socket data */
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};
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struct proto_family
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{
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char name[RT_NAME_MAX];
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int family; /* primary protocol families type */
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int sec_family; /* secondary protocol families type */
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int (*create)(struct sal_socket *sal_socket, int type, int protocol); /* register socket options */
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struct hostent* (*gethostbyname) (const char *name);
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int (*gethostbyname_r)(const char *name, struct hostent *ret, char *buf, size_t buflen, struct hostent **result, int *h_errnop);
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void (*freeaddrinfo) (struct addrinfo *ai);
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int (*getaddrinfo) (const char *nodename, const char *servname, const struct addrinfo *hints, struct addrinfo **res);
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};
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/* SAL(Socket Abstraction Layer) initialize */
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int sal_init(void);
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struct sal_socket *sal_get_socket(int sock);
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/* protocol family register and unregister operate */
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int sal_proto_family_register(const struct proto_family *pf);
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int sal_proto_family_unregister(const struct proto_family *pf);
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struct proto_family *sal_proto_family_find(const char *name);
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#ifdef __cplusplus
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}
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#endif
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#endif /* SAL_H__ */
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