325 lines
8.7 KiB
C
325 lines
8.7 KiB
C
/*
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* Copyright (c) 2006-2022, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2022-05-26 xiangxistu first version
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*/
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/* Do NOT include sys/time.h in this file */
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#include <WinSock2.h>
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#include <WS2tcpip.h>
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#include <rtthread.h>
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#include <stdint.h>
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#define DBG_TAG "sal.winsock"
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#define DBG_LVL DBG_INFO
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#include <rtdbg.h>
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#include "rtt_winsock.h"
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static struct sal_type_hostent sal_hostent;
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static sal_type_ip_addr_t hostent_addr = { 0 };
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static sal_type_ip_addr_t* hostent_addr_p = RT_NULL;
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/* Important, must reserve */
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#pragma comment( lib, "ws2_32.lib" )
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/*
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* reserve for select / poll
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*
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* #define WINDOWS_STACK_SIZE 2048
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* #define WINDOWS_PRIORITY 2048
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* #define WINDOWS_TICK 10
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*
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* struct poll_thread_list
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* {
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* int socket;
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* rt_slist_t slist;
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* };
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* static rt_slist_t poll_pending_list = RT_SLIST_OBJECT_INIT(poll_pending_list);
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*
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**/
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#define WINDOWS_PERVIOS_COMAMND \
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do \
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{ \
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int iResult; \
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WSADATA wsa_data; \
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\
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iResult = WSAStartup(MAKEWORD(2, 2), &wsa_data); \
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if (iResult != 0) \
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{ \
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LOG_E("WSAStartup failed: %d\n", iResult); \
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return -RT_ERROR; \
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} \
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}while(0)
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static void data_sync_sockaddr(struct sal_type_sockaddr* sal, struct sockaddr** window)
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{
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/*
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* ws2def.h
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* typedef struct sockaddr {
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*
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* #if (_WIN32_WINNT < 0x0600)
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* u_short sa_family;
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* #else
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* ADDRESS_FAMILY sa_family; // Address family.
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* #endif //(_WIN32_WINNT < 0x0600)
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*
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* CHAR sa_data[14]; // Up to 14 bytes of direct address.
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* } SOCKADDR, *PSOCKADDR, FAR *LPSOCKADDR;
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*
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***********************************
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* sal_socket.h
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* struct sockaddr
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* {
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* uint8_t sa_len;
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* sa_family_t sa_family;
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* char sa_data[14];
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* };
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*/
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ADDRESS_FAMILY family = 0;
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family = sal->sa_family;
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*window = sal;
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(* window)->sa_family = family;
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}
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int win_socket(int domain, int type, int protocol)
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{
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WINDOWS_PERVIOS_COMAMND;
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return (int)socket(domain, type, protocol);
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}
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int win_closesocket(int s)
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{
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return (int)closesocket(s);
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}
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int win_bind(int s, const struct sal_type_sockaddr *name, sal_type_socklen_t namelen)
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{
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return (int)bind(s, name, namelen);
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}
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int win_listen(int s, int backlog)
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{
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return (int)listen(s, backlog);
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}
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int win_connect(int s, const struct sal_type_sockaddr *name, sal_type_socklen_t namelen)
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{
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struct sockaddr *windows_addr = RT_NULL;
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data_sync_sockaddr(name, &windows_addr);
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return (int)connect(s, windows_addr, namelen);
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}
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int win_accept(int s, struct sal_type_sockaddr *addr, sal_type_socklen_t *addrlen)
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{
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WINDOWS_PERVIOS_COMAMND;
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return (int)accept(s, addr, addrlen);
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}
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int win_sendto(int s, const void *data, size_t size, int flags, const struct sal_type_sockaddr *to, sal_type_socklen_t tolen)
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{
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return (int)sendto(s, data, size, flags, to, tolen);
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}
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int win_recvfrom(int s, void *mem, size_t len, int flags, struct sal_type_sockaddr *from, sal_type_socklen_t *fromlen)
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{
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return (int)recvfrom(s, mem, len, flags, from, fromlen);
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}
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int win_getsockopt(int s, int level, int optname, void *optval, sal_type_socklen_t *optlen)
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{
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return (int)getsockopt(s, level, optname, optval, optlen);
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}
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int win_setsockopt(int s, int level, int optname, const void *optval, sal_type_socklen_t optlen)
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{
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return (int)setsockopt(s, level, optname, optval, optlen);
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}
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int win_shutdown(int s, int how)
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{
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return (int)shutdown(s, how);
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}
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int win_getpeername(int s, struct sal_type_sockaddr *name, sal_type_socklen_t *namelen)
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{
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return (int)getpeername(s, name, namelen);
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}
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int win_getsockname(int s, struct sal_type_sockaddr *name, sal_type_socklen_t *namelen)
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{
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return (int)getsockname(s, name, namelen);
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}
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int win_ioctlsocket(int s, long cmd, void *arg)
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{
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return (int)ioctlsocket(s, cmd, arg);
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}
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#ifdef SAL_USING_POSIX
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/* use windows poll, but not wait */
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int inet_poll(struct dfs_file* file, struct rt_pollreq* req)
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{
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/*
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WSAPOLLFD winpoll;
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struct sal_socket* sal_sock;
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int mask = 0;
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int poll_event = 0;
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sal_sock = sal_get_socket((int)file->data);
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if (!sal_sock)
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{
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return -1;
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}
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winpoll.fd = sal_sock->socket;
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poll_event &= POLLERR | POLLHUP;
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winpoll.events = req->_key & (~poll_event);
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poll_event = 0;
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mask = WSAPoll(&winpoll, 1, 0);
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if (mask == 0)
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return 0;
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return winpoll.revents;
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*/
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return 0;
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}
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#endif /* SAL_USING_POSIX */
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struct sal_type_hostent* win_gethostbyname(const char* name)
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{
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struct hostent *windows_hostent;
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char** h_addr_list;
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WINDOWS_PERVIOS_COMAMND;
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windows_hostent = gethostbyname(name);
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sal_hostent.h_name = windows_hostent->h_name;
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sal_hostent.h_aliases = windows_hostent->h_aliases;
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sal_hostent.h_addrtype = windows_hostent->h_addrtype;
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sal_hostent.h_length = windows_hostent->h_length;
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sal_hostent.h_addr_list = windows_hostent->h_addr_list;
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hostent_addr.addr = ((struct in_addr*)windows_hostent->h_addr)->s_addr;
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hostent_addr_p = &hostent_addr;
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sal_hostent.h_addr_list = &hostent_addr_p;
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return &sal_hostent;
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}
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int win_getaddrinfo(const char* nodename, const char* servname, const struct sal_type_addrinfo* hints, struct sal_type_addrinfo** res)
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{
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int port_nr = 0;
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sal_type_ip_addr_t addr = { 0 };
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struct sal_type_addrinfo* ai;
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struct sal_type_sockaddr_storage* sa;
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size_t total_size = 0;
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size_t namelen = 0;
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char* change_point;
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if (res == RT_NULL)
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return EAI_FAIL;
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*res = RT_NULL;
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if ((nodename == RT_NULL) && (servname == RT_NULL))
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return EAI_NONAME;
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if ((hints != RT_NULL)
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&& (hints->ai_family != AF_INET && hints->ai_family != AF_UNSPEC))
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return EAI_FAMILY;
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if (servname != RT_NULL)
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{
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/* service name specified: convert to port number */
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port_nr = atoi(servname);
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if ((port_nr <= 0) || (port_nr > 0xffff))
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{
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return EAI_SERVICE;
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}
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}
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if (nodename != RT_NULL)
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{
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WINDOWS_PERVIOS_COMAMND;
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struct hostent* hostent = gethostbyname(nodename);
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if (hostent == RT_NULL)
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return EAI_FAIL;
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addr.addr = ((struct in_addr*)hostent->h_addr)->s_addr;
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}
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total_size = sizeof(struct sal_type_addrinfo) + sizeof(struct sal_type_sockaddr_storage);
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if (nodename != RT_NULL)
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{
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namelen = strlen(nodename);
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if (namelen > DNS_MAX_NAME_LENGTH)
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{
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/* invalid name length */
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return EAI_FAIL;
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}
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RT_ASSERT(total_size + namelen + 1 > total_size);
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total_size += namelen + 1;
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}
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RT_ASSERT(total_size <= sizeof(struct sal_type_addrinfo) + sizeof(struct sal_type_sockaddr_storage) + DNS_MAX_NAME_LENGTH + 1);
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ai = (struct sal_type_addrinfo*)rt_malloc(total_size);
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if (ai == RT_NULL)
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{
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return EAI_MEMORY;
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}
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rt_memset(ai, 0, total_size);
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/* cast through void* to get rid of alignment warnings */
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sa = (struct sal_type_sockaddr_storage*)(void*)((uint8_t*)ai + sizeof(struct sal_type_addrinfo));
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struct sal_type_sockaddr_in* sa4 = (struct sal_type_sockaddr_in*)sa;
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sa4->sin_family = AF_INET;
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sa4->sin_addr.sal_type_s_addr = addr.addr;
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sa4->sin_port = htons((uint16_t)port_nr);
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/* set up addrinfo */
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if (hints != RT_NULL)
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{
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/* copy socktype & protocol from hints if specified */
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ai->ai_socktype = hints->ai_socktype;
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ai->ai_protocol = hints->ai_protocol;
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}
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if (nodename != RT_NULL)
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{
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/* copy nodename to canonname if specified */
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ai->ai_canonname = ((char*)ai + sizeof(struct sal_type_addrinfo) + sizeof(struct sal_type_sockaddr_storage));
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rt_memcpy(ai->ai_canonname, nodename, namelen);
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ai->ai_canonname[namelen] = 0;
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}
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ai->ai_addrlen = sizeof(struct sal_type_sockaddr_storage);
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ai->ai_addr = (struct sal_type_sockaddr*)sa;
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ai->ai_family = sa4->sin_family;
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*res = ai;
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return 0;
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}
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void win_freeaddrinfo(struct sal_type_addrinfo* ai)
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{
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struct sal_type_addrinfo* next;
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while (ai != NULL)
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{
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next = ai->ai_next;
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rt_free(ai);
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ai = next;
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}
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}
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