/* * Copyright (c) 2006-2021, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2022-05-30 xiangxistu first version */ #define DNS_MAX_NAME_LENGTH 256 /* * 1. Define the structure to avoid conflict with winsock's structure. * 2. And the same time, in the "af_inet_winsock.c" shouldn't include header files aboult "sal", * if include header files aboult "sal", the complier in the vs2012 will give me "structure redefined error". * * So, i define the same structure with "sal" but not include header files aboult "sal". * The same sturcture means the same memory in the system. I can offer wonderful compatibility with "sal" ,"winsock", "lwip" and so on. * * * Aross the way, "WinSock2.h" only be included in the "af_inet_winsock.c", the more software packages aboult network can * work that useless modification is required for "winsock". * */ typedef uint32_t sal_type_socklen_t; typedef uint16_t in_port_t; typedef uint8_t sa_family_t; typedef uint32_t in_addr_t; typedef struct sal_type_ip4_addr { uint32_t addr; } sal_type_ip4_addr_t; typedef sal_type_ip4_addr_t sal_type_ip_addr_t; struct sal_type_sockaddr { uint8_t sa_len; sa_family_t sa_family; char sa_data[14]; }; struct sal_type_in_addr { in_addr_t sal_type_s_addr; }; struct sal_type_sockaddr_in { uint8_t sin_len; sa_family_t sin_family; in_port_t sin_port; struct sal_type_in_addr sin_addr; #define SIN_ZERO_LEN 8 char sin_zero[SIN_ZERO_LEN]; }; struct sal_type_sockaddr_storage { uint8_t s2_len; sa_family_t ss_family; char s2_data1[2]; uint32_t s2_data2[3]; #if NETDEV_IPV6 uint32_t s2_data3[3]; #endif /* NETDEV_IPV6 */ }; struct sal_type_addrinfo { int ai_flags; /* Input flags. */ int ai_family; /* Address family of socket. */ int ai_socktype; /* Socket type. */ int ai_protocol; /* Protocol of socket. */ socklen_t ai_addrlen; /* Length of socket address. */ struct sal_type_sockaddr* ai_addr; /* Socket address of socket. */ char* ai_canonname; /* Canonical name of service location. */ struct sal_type_addrinfo* ai_next; /* Pointer to next in list. */ }; struct sal_type_hostent { char* h_name; /* Official name of the host. */ char** h_aliases; /* A pointer to an array of pointers to alternative host names, terminated by a null pointer. */ int h_addrtype; /* Address type. */ int h_length; /* The length, in bytes, of the address. */ char** h_addr_list; /* A pointer to an array of pointers to network addresses (in network byte order) for the host, terminated by a null pointer. */ #define h_addr h_addr_list[0] /* for backward compatibility */ }; /* sal_socket_ops */ int win_socket(int domain, int type, int protocol); int win_closesocket(int s); int win_bind(int s, const struct sal_type_sockaddr* name, sal_type_socklen_t namelen); int win_listen(int s, int backlog); int win_connect(int s, const struct sal_type_sockaddr* name, sal_type_socklen_t namelen); int win_accept(int s, struct sal_type_sockaddr* addr, sal_type_socklen_t* addrlen); int win_sendto(int s, const void* data, size_t size, int flags, const struct sal_type_sockaddr* to, sal_type_socklen_t tolen); int win_recvfrom(int s, void* mem, size_t len, int flags, struct sal_type_sockaddr* from, sal_type_socklen_t* fromlen); int win_getsockopt(int s, int level, int optname, void* optval, sal_type_socklen_t* optlen); int win_setsockopt(int s, int level, int optname, const void* optval, sal_type_socklen_t optlen); int win_shutdown(int s, int how); int win_getpeername(int s, struct sal_type_sockaddr* name, sal_type_socklen_t* namelen); int win_getsockname(int s, struct sal_type_sockaddr* name, sal_type_socklen_t* namelen); int win_ioctlsocket(int s, long cmd, void* arg); #ifdef SAL_USING_POSIX int inet_poll(struct dfs_fd* file, struct rt_pollreq* req); #endif /* SAL_USING_POSIX */ /* sal_netdb_ops */ struct sal_type_hostent* win_gethostbyname(const char* name); int win_getaddrinfo(const char* nodename, const char* servname, const struct sal_type_addrinfo* hints, struct sal_type_addrinfo** res); void win_freeaddrinfo(struct sal_type_addrinfo* ai);