RT-Thread 软件包-软件包分类-IoT-WebTerminal①
Web Terminal 让你的终端在浏览器上跑起来
1、Web Terminal 是什么
Web Terminal 是一款针对 RT-Thread RTOS 的库。启动后，可以通过网页访问设备的控制台(命令行)系统，实现设备的 远程/移动化 操控。
2、依赖信息
- RT-Thread 组件
- LWIP
- LWIP/app/tftp
- Finsh/MSH
- DFS
- RT-Thread 包
- Mongoose
3、如何使用
3.1 初始化
在 mongoose 初始化完成后，执行 web_terminal_init()
3.2 启动
在 Web Terminal 初始化成功后，执行 web_terminal_start()
PS：初始化、启动及停止功能都已经集成到了 RT-Thread 的 Finsh/MSH 命令中，也可以手动命令启动，命令格式如下：
web_term <init|start|stop>
3.3 传送资源文件
在根目录下新建并进入 web_root 文件夹
msh />mkdir web_root
msh />cd web_root
启动 TFTP 服务器
msh /web_root>tftp_server
安装并打开 /tools/Tftpd64-4.60-setup.exe 这款 TFTP 工具，然后选择 Tftp Client 功能，如下图。（PS：如果电脑上有多个网卡，务必记得网卡也要选择）
tftp_client
然后选择库源码中 web_root 下的 web_finsh.html 进行上传。（PS：如果固件开启了 DFS_USING_WORKDIR ，所以当前 Finsh/MSH 在哪个文件目录位置， TFTP 就会把文件保存在那里。TFTP 时请注意切换目录）
3.4 使用 Web Finsh
如果启用了 DFS_USING_WORKDIR ，要保证 Finsh/MSH 控制台当前的目录位于根目录。然后在浏览器中打开 http://put.ip.here/web_finsh.html 即可看到 Web Finsh 真容。
打开网页后的效果如下，现在即可畅快地在网页中输入各种命令，自动补全也支持的。（PS：手机上也一样可以打开 Web Finsh，现在 Finsh/MSH 已被你随时随地的掌控了）
web_finsh
最后，需要注意，当 Web Finsh 网页打开后， 串口的 Finsh/MSH 就不可使用了。如果想要继续使用，则关闭 Web Finsh 网页即可。文章来源：https://www.toymoban.com/news/detail-832092.html
示例代码
…\ src/wn_utils.c文章来源地址https://www.toymoban.com/news/detail-832092.html
/*
* File : wn_utils.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
*
* This software is dual-licensed: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation. For the terms of this
* license, see <http://www.gnu.org/licenses/>.
*
* You are free to use this software under the terms of the GNU General
* Public License, but WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* Alternatively for commercial application, you can contact us
* by email <business@rt-thread.com> for commercial license.
*
* Change Logs:
* Date Author Notes
* 2011-08-02 Bernard the first version
*/
#include <ctype.h>
#include <rtthread.h>
#include <webnet.h>
#include <wn_utils.h>
rt_inline int tohex(char c)
{
if (c >= '0' && c <= '9')
return c - '0';
if (c >= 'a' && c <= 'f')
return c - 'a' + 10;
if (c >= 'A' && c <= 'F')
return c - 'A' + 10;
return -1;
}
int str_path_with(const char *s, const char *t)
{
if ((strncasecmp(s, t, strlen(t)) == 0
&& (strlen(s) == strlen(t) || *(s + strlen(t)) == '/'))
||(strlen(t) == 1 && t[0] == '/')) return 1;
return 0;
}
int str_begin_with(const char *s, const char *t)
{
if (strncasecmp(s, t, strlen(t)) == 0) return 1;
return 0;
}
int str_end_with(const char* s, const char* t)
{
const char* se;
register int s_len, t_len;
s_len = strlen(s);
t_len = strlen(t);
if (s_len < t_len) return 0;
se = s + s_len - t_len;
if (strncasecmp(se, t, t_len) == 0) return 1;
return 0;
}
char *str_decode_path(char *path)
{
int x1;
int x2;
char *src = path;
char *dst = path;
char last = *path;
if (last != '/')
return RT_NULL;
while (*++src)
{
if (*src == '%' &&
(x1 = tohex(*(src + 1))) >= 0 &&
(x2 = tohex(*(src + 2))) >= 0)
{
src += 2;
if ((*src = x1 * 16 + x2) == 0) break;
}
if (*src == '\\') *src = '/';
if ((last != '.' && last != '/') || (*src != '.' && *src != '/'))
*dst++ = last = *src;
}
*dst = 0;
return path;
}
static const unsigned char base64_table[65] =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
char *str_base64_encode(const char* src)
{
unsigned char *out, *pos;
const unsigned char *end, *in;
size_t olen;
int len;
len = strlen(src);
olen = len * 4 / 3 + 4; /* 3-byte blocks to 4-byte */
olen += olen / 72; /* line feeds */
olen++; /* nul termination */
out = (unsigned char*)wn_malloc(olen);
if (out == RT_NULL) return RT_NULL;
end = (const unsigned char*)src + len;
in = (const unsigned char*)src;
pos = out;
while (end - in >= 3)
{
*pos++ = base64_table[in[0] >> 2];
*pos++ = base64_table[((in[0] & 0x03) << 4) | (in[1] >> 4)];
*pos++ = base64_table[((in[1] & 0x0f) << 2) | (in[2] >> 6)];
*pos++ = base64_table[in[2] & 0x3f];
in += 3;
}
if (end - in)
{
*pos++ = base64_table[in[0] >> 2];
if (end - in == 1)
{
*pos++ = base64_table[(in[0] & 0x03) << 4];
*pos++ = '=';
}
else
{
*pos++ = base64_table[((in[0] & 0x03) << 4) |
(in[1] >> 4)];
*pos++ = base64_table[(in[1] & 0x0f) << 2];
}
*pos++ = '=';
}
*pos = '\0';
return (char*)out;
}
char* str_normalize_path(char* fullpath)
{
char *dst0, *dst, *src;
src = fullpath;
dst = fullpath;
dst0 = dst;
while (1)
{
char c = *src;
if (c == '.')
{
if (!src[1]) src ++; /* '.' and ends */
else if (src[1] == '/')
{
/* './' case */
src += 2;
while ((*src == '/') && (*src != '\0')) src ++;
continue;
}
else if (src[1] == '.')
{
if (!src[2])
{
/* '..' and ends case */
src += 2;
goto up_one;
}
else if (src[2] == '/')
{
/* '../' case */
src += 3;
while ((*src == '/') && (*src != '\0')) src ++;
goto up_one;
}
}
}
/* copy up the next '/' and erase all '/' */
while ((c = *src++) != '\0' && c != '/') *dst ++ = c;
if (c == '/')
{
*dst ++ = '/';
while (c == '/') c = *src++;
src --;
}
else if (!c) break;
continue;
up_one:
dst --;
if (dst < dst0) return RT_NULL;
while (dst0 < dst && dst[-1] != '/') dst --;
}
*dst = '\0';
/* remove '/' in the end of path if exist */
dst --;
if ((dst != fullpath) && (*dst == '/')) *dst = '\0';
return fullpath;
}
char * urlencode(const char *str, int len, int *new_length)
{
const char hexchars[] = "0123456789ABCDEF";
const char *from, *end;
const char *start;
char *to;
int c;
from = str;
end = str + len;
start = to = (char *) wn_malloc(3 * len + 1);
if(start == RT_NULL)
{
return RT_NULL;
}
while (from < end)
{
c = *from++;
if ( (c < '0' && c != '-' && c != '.')
|| (c == ' ')
|| (c < 'A' && c > '9')
|| (c > 'Z' && c < 'a' && c != '_')
|| (c > 'z') )
{
to[0] = '%';
to[1] = hexchars[c >> 4];
to[2] = hexchars[c & 15];
to += 3;
}
else
{
*to++ = c;
}
}
*to = 0;
if (new_length)
{
*new_length = to - start;
}
return (char *) start;
}
int urldecode(char *str, int len)
{
char *dest = str;
char *data = str;
int value;
int c;
while (len--)
{
if (*data == '+')
{
*dest = ' ';
}
else if (*data == '%' && len >= 2 && isxdigit((int) *(data + 1))
&& isxdigit((int) *(data + 2)))
{
c = ((unsigned char *)(data+1))[0];
if (isupper(c))
c = tolower(c);
value = (c >= '0' && c <= '9' ? c - '0' : c - 'a' + 10) * 16;
c = ((unsigned char *)(data+1))[1];
if (isupper(c))
c = tolower(c);
value += c >= '0' && c <= '9' ? c - '0' : c - 'a' + 10;
*dest = (char)value ;
data += 2;
len -= 2;
}
else
{
*dest = *data;
}
data++;
dest++;
}
*dest = '\0';
return dest - str;
}
#ifdef _WIN32
int strncasecmp ( const char* s1, const char* s2, size_t len )
{
register unsigned int x2;
register unsigned int x1;
register const char* end = s1 + len;
while (1)
{
if ((s1 >= end) )
return 0;
x2 = *s2 - 'A'; if ((x2 < 26u)) x2 += 32;
x1 = *s1 - 'A'; if ((x1 < 26u)) x1 += 32;
s1++; s2++;
if ((x2 != x1))
break;
if ((x1 == (unsigned int)-'A'))
break;
}
return x1 - x2;
}
#endif
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