rt-thread-official/bsp/simulator/drivers/winsock/sal_winsock.c

325 lines
8.7 KiB
C

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