[add] winsock implement on windows simulator.

bsp/simulator/Kconfig

@@ -46,7 +46,6 @@ menu "Peripheral Drivers"
         bool "Enable BSD Socket"
         select RT_USING_POSIX_FS
         select RT_USING_POSIX_SOCKET
-        select SAL_USING_WINSOCK
         default y
 
     config BSP_USING_LVGL

bsp/simulator/drivers/SConscript

@@ -4,7 +4,7 @@ from building import *
 Import('rtconfig')
 
 cwd = GetCurrentDir()
-src = Glob('*.c')
+src = ['board.c', 'uart_console.c']
 LIBS = []
 LIBPATH = []
 CPPPATH = [cwd]
@@ -30,28 +30,37 @@ if rtconfig.CROSS_TOOL == 'msvc':
     ]
 
 # remove no need file.
-if GetDepend('PKG_USING_GUIENGINE') == False:
-    SrcRemove(src, 'sdl_fb.c')
+if GetDepend('PKG_USING_GUIENGINE') == True:
+    src += ['sdl_fb.c']
 else:
     LIBS.append('SDL2')
     if sys.platform == 'win32':
         LIBPATH.append(os.path.abspath(os.path.join(cwd, '../SDL2/lib/x86')))
         CPPPATH.append(os.path.abspath(os.path.join(cwd, '../SDL2/include')))
 
-if GetDepend('BSP_USING_RTC') == False:
-    SrcRemove(src, 'drv_rtc.c')
-if GetDepend('RT_USING_DFS') == False or GetDepend('RT_USING_DFS_ELMFAT') == False:
-    SrcRemove(src, 'sd_sim.c')
-if GetDepend('RT_USING_DFS') == False or GetDepend('RT_USING_MTD_NAND') == False:
-    SrcRemove(src, 'nanddrv_file.c')
-if GetDepend('RT_USING_DFS') == False or GetDepend('RT_USING_MTD_NOR') == False:
-    SrcRemove(src, 'sst25vfxx_mtd_sim.c')
-if GetDepend('RT_USING_DFS') == False or GetDepend('RT_USING_DFS_WINSHAREDIR') == False:
-    SrcRemove(src, 'dfs_win32.c')
-if GetDepend('RT_USING_DFS') == False or GetDepend('RT_USING_MODULE') == False:
-    SrcRemove(src, ['module_win32.c'])
-if sys.platform[0:5]=="linux": #check whether under linux
-    SrcRemove(src, ['module_win32.c', 'dfs_win32.c'])
+
+if GetDepend('RT_USING_DFS') == True:
+    if GetDepend('RT_USING_DFS_ELMFAT') == True:
+        src += ['sd_sim.c']
+
+    if GetDepend('RT_USING_MTD_NAND') == True:
+        src += ['nanddrv_file.c']
+
+    if GetDepend('RT_USING_MTD_NOR') == True:
+        src += ['sst25vfxx_mtd_sim.c']
+
+    if sys.platform == "win32":
+        if  GetDepend('RT_USING_DFS_WINSHAREDIR') == True:
+            src += ['dfs_win32.c']
+        if  GetDepend('RT_USING_MODULE') == True:
+            src += ['module_win32.c']
+
+if GetDepend('BSP_USING_RTC') == True:
+    src += ['drv_rtc.c']
+
+if GetDepend('BSP_USING_SOCKET') == True:
+    src += [cwd + '/winsock/drv_win_eth.c']
+    src += [cwd + '/winsock/sal_winsock.c']
 
 group = DefineGroup('Drivers', src, depend = [''],
             CPPPATH = CPPPATH, LIBS=LIBS, LIBPATH=LIBPATH, CPPDEFINES=CPPDEFINES)

bsp/simulator/drivers/winsock/drv_win_eth.c

@@ -0,0 +1,115 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2022-05-26     xiangxistu   first version
+ */
+
+#include <rtthread.h>
+#include <sal_low_lvl.h>
+#include <sal_socket.h>
+#include <sal_netdb.h>
+#include <netdev_ipaddr.h>
+#include <netdev.h>
+#include "rtt_winsock.h"
+
+static win_netdev_ping(struct netdev* netif, const char* host, size_t data_len,
+    uint32_t timeout, struct netdev_ping_resp* ping_resp)
+{
+    return 0;
+}
+
+const struct netdev_ops win_netdev_ops =
+{
+    RT_NULL,
+    RT_NULL,
+    RT_NULL,
+    RT_NULL,
+    RT_NULL,
+#ifdef RT_USING_FINSH
+    win_netdev_ping,
+    RT_NULL,
+#endif /* RT_USING_FINSH */
+    RT_NULL,
+};
+
+ static const struct sal_socket_ops windows_socket_ops =
+ {
+     win_socket,
+     win_closesocket,
+     win_bind,
+     win_listen,
+     win_connect,
+     win_accept,
+     win_sendto,
+     win_recvfrom,
+     win_getsockopt,
+     win_setsockopt,
+     win_shutdown,
+     win_getpeername,
+     win_getsockname,
+     win_ioctlsocket,
+ #ifdef SAL_USING_POSIX
+     inet_poll,
+ #else
+     RT_NULL,
+ #endif
+ };
+
+ static const struct sal_netdb_ops windows_netdb_ops =
+ {
+     win_gethostbyname,
+     RT_NULL,
+     win_getaddrinfo,
+     win_freeaddrinfo,
+ };
+
+ static const struct sal_proto_family windows_inet_family =
+ {
+     AF_INET,
+     AF_INET6,
+     &windows_socket_ops,
+     &windows_netdb_ops,
+ };
+
+ /* Set lwIP network interface device protocol family information */
+ int sal_win_netdev_set_pf_info(struct netdev* netdev)
+ {
+     RT_ASSERT(netdev);
+
+     netdev->sal_user_data = (void*)&windows_inet_family;
+     return 0;
+ }
+
+static int win_netdev_add(void)
+{
+#define ETHERNET_MTU        1500
+#define HWADDR_LEN          6
+
+    rt_err_t result = RT_EOK;
+    struct netdev* netdev = RT_NULL;
+
+    char name[RT_NAME_MAX] = {0};
+
+    netdev = (struct netdev *)rt_calloc(1, sizeof(struct netdev));
+    if (netdev == RT_NULL)
+    {
+        return -RT_EEMPTY;
+    }
+
+    sal_win_netdev_set_pf_info(netdev);
+
+    rt_strncpy(name, "win_e0", RT_NAME_MAX);
+    result = netdev_register(netdev, name, RT_NULL);
+
+    netdev->flags = NETDEV_FLAG_UP | NETDEV_FLAG_LINK_UP | NETDEV_FLAG_INTERNET_UP;
+    netdev->mtu = ETHERNET_MTU;
+    netdev->ops = &win_netdev_ops;
+    netdev->hwaddr_len = HWADDR_LEN;
+
+    return result;
+}
+INIT_ENV_EXPORT(win_netdev_add);

bsp/simulator/drivers/winsock/rtt_winsock.h

@@ -0,0 +1,117 @@
+/*
+ * 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);