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分类: 嵌入式

2014-12-19 09:55:39

原文地址:http://blog.csdn.net/kof98765/article/details/37940149

luci 参考资料
http://luci.subsignal.org/trac/wiki/Documentation

/www/index.html:

在 web server 中的 cgi-bin 目录下,运行 luci 文件(权限一般是 755 ) , luci 的代码如下:
1 #!/usr/bin/lua -- 执行命令的路径
2 require"luci.cacheloader" -- 导入 cacheloader 包
3 require"luci.sgi.cgi" -- 导入 sgi.cgi 包
4 luci.dispatcher.indexcache = "/tmp/luci-indexcache" --cache 缓存路径地址
5 luci.sgi.cgi.run() -- 执 行 run 方法,此方法位于 /usr/lib/lua/luci/sgi/cgi.lua中, 内容如下:
--[[
LuCI - SGI-Module for CGI
Description: Server Gateway Interface for CGI
]]--
exectime = os.clock()
module("luci.sgi.cgi", package.seeall)
local ltn12 = require("luci.ltn12")
require("nixio.util")
require("luci.http")
require("luci.sys")
require("luci.dispatcher")

-- Limited source to avoid endless blocking
local function limitsource(handle, limit)
limit = limit or 0
local BLOCKSIZE = ltn12.BLOCKSIZE

return function()
if limit < 1 then
handle:close()
return nil
else
local read = (limit > BLOCKSIZE) and BLOCKSIZE or limit
limit = limit - read

local chunk = handle:read(read)
if not chunk then handle:close() end
return chunk
end
end
end

function run()
local r = luci.http.Request(
luci.sys.getenv(),
limitsource(io.stdin, tonumber(luci.sys.getenv("CONTENT_LENGTH"))),
ltn12.sink.file(io.stderr)
)

local x = coroutine.create(luci.dispatcher.httpdispatch)
local hcache = ""
local active = true

while coroutine.status(x) ~= "dead" do
local res, id, data1, data2 = coroutine.resume(x, r)

if not res then
print("Status: 500 Internal Server Error")
print("Content-Type: text/plain\n")
print(id)
break;
end

if active then
if id == 1 then
io.write("Status: " .. tostring(data1) .. " " .. data2 .. "\r\n")
elseif id == 2 then
hcache = hcache .. data1 .. ": " .. data2 .. "\r\n"
elseif id == 3 then
io.write(hcache)
io.write("\r\n")
elseif id == 4 then
io.write(tostring(data1 or ""))
elseif id == 5 then
io.flush()
io.close()
active = false
elseif id == 6 then
data1:copyz(nixio.stdout, data2)
data1:close()
end
end
end
end

自用修改:


--[[
luci 封装好的html控件类可以在以下文件查看:./host/usr/lib/lua/luci/cbi.lua

Diagnostics 页面相关文件: controller/admin/network.lua, view/admin_network/diagnostics.htm
HTM 页面的变量和lua交互, html中: name="ping", this.form.ping, lua中: diag_ping


page = entry({"admin", "network", "diag_ping"}, call("diag_ping"), nil)

#只修改 name="pingxu", this.form.pingxu, 页面也执行, 出现如下错误:
No page is registered at '/admin/network/diag_pingxu/openwrt.org'.
If this url belongs to an extension, make sure it is properly installed.
If the extension was recently installed, try removing the /tmp/luci-indexcache file.
--- 再修改 diag_pingxu 则OK, page = entry({"admin", "network", "diag_pingxu"}, call("diag_ping"), nil)

在已有的lua文件中修改, 网页上可以直接看到界面; 增加或删除lua文件, 则必须重启路由器才可以看到界面

#lua中增加页面: view/xutest/web-cgi.htm, 后缀名必须为htm, 不能为html.
page.target = template("xutest/web-cgi")
/usr/lib/lua/luci/template.lua:81: Failed to load template 'xutest/web-cgi'.
Error while parsing template '/usr/lib/lua/luci/view/xutest/web-cgi.htm'.

#htm 中直接跳转
W3School web

#/www/xutest/web-cgi.html, uhttp默认的跟目录和luci中的目录不同. 192.168.1.1 换成localhost 则错误
web-cgi

#index.html中 直接执行luci命令
LuCI - Lua Configuration Interface


]]--


page = node("admin", "network", "diagnostics")
-- 直接链接到 view 相应目录下面的 htm 页面
page.target = template("admin_network/diagnostics")
page.title = _("Diagnostics")
page.order = 60




参考:
1. luci在线API: 2. luci实现框架:
http://www.cnblogs.com/zmkeil/archive/2013/05/14/3078774.html


BusyBox v1.19.4 (2013-09-27 00:16:27 EDT) built-in shell (ash)
Enter 'help' for a list of built-in commands.


_______ ________ __
| |.-----.-----.-----.| | | |.----.| |_
| - || _ | -__| || | | || _|| _|
|_______|| __|_____|__|__||________||__| |____|
|__| W I R E L E S S F R E E D O M
-----------------------------------------------------
BARRIER BREAKER (Attitude Adjustment 12.09.1-qiushui007 test)
-----------------------------------------------------
* 1/2 oz Galliano Pour all ingredients into
* 4 oz cold Coffee an irish coffee mug filled
* 1 1/2 oz Dark Rum with crushed ice. Stir.
* 2 tsp. Creme de Cacao
-----------------------------------------------------

root@OpenWrt:~# df -h
Filesystem Size Used Available Use% Mounted on
rootfs 5.3M 272.0K 5.0M 5% /
/dev/root 1.8M 1.8M 0 100% /rom
tmpfs 30.2M 88.0K 30.1M 0% /tmp
tmpfs 512.0K 0 512.0K 0% /dev
root 30.2M 48.0K 30.1M 0% /tmp/root
overlayfs:/tmp/root 30.2M 48.0K 30.1M 0% /tmp/root
/dev/mtdblock3 5.3M 272.0K 5.0M 5% /overlay
overlayfs:/overlay 5.3M 272.0K 5.0M 5% /

root@OpenWrt:/xutest# opkg update
Downloading
Updated list of available packages in /var/opkg-lists/snapshots.

root@OpenWrt:/xutest# opkg install luci
Installing luci (0.11.1-1) to root...
Downloading
Installing uhttpd (2012-10-30-e57bf6d8bfa465a50eea2c30269acdfe751a46fd) to root...
Downloading
Installing luci-mod-admin-full (0.11.1-1) to root...
Downloading
Installing luci-mod-admin-core (0.11.1-1) to root...
Downloading
Installing luci-lib-web (0.11.1-1) to root...
Downloading
Installing luci-lib-core (0.11.1-1) to root...
Downloading
Installing lua (5.1.4-8) to root...
Downloading
Installing liblua (5.1.4-8) to root...
Downloading
Installing libuci-lua (2013-01-04.1-1) to root...
Downloading
Installing libubus-lua (2013-01-13-bf566871bd6a633e4504c60c6fc55b2a97305a50) to root...
Downloading
Installing luci-lib-sys (0.11.1-1) to root...
Downloading
Installing luci-lib-nixio (0.11.1-1) to root...
Downloading
Installing luci-sgi-cgi (0.11.1-1) to root...
Downloading
Installing luci-proto-core (0.11.1-1) to root...
Downloading
Installing luci-i18n-english (0.11.1-1) to root...
Downloading
Installing luci-lib-ipkg (0.11.1-1) to root...
Downloading
Installing luci-theme-openwrt (0.11.1-1) to root...
Downloading
Installing luci-theme-base (0.11.1-1) to root...
Downloading
Installing luci-app-firewall (0.11.1-1) to root...
Downloading
Installing luci-proto-ppp (0.11.1-1) to root...
Downloading
Installing libiwinfo-lua (36) to root...
Downloading
Installing libiwinfo (36) to root...
Downloading
Configuring luci-lib-sys.
Configuring liblua.
Configuring libuci-lua.
Configuring lua.
Configuring libubus-lua.
Configuring luci-lib-core.
Configuring luci-lib-nixio.
Configuring luci-sgi-cgi.
Configuring luci-lib-web.
Configuring luci-proto-core.
Configuring luci-i18n-english.
Configuring luci-mod-admin-core.
Configuring libiwinfo.
Configuring libiwinfo-lua.
Configuring luci-theme-base.
Configuring luci-theme-openwrt.
Configuring luci-app-firewall.
Configuring luci-lib-ipkg.
Configuring luci-proto-ppp.
Configuring luci-mod-admin-full.
Configuring uhttpd.
Configuring luci.
Collected errors:
* resolve_conffiles: Existing conffile /etc/config/luci is different from the conffile in the new package. The new conffile will be placed at /etc/config/luci-opkg.

root@OpenWrt:/xutest# df -h
Filesystem Size Used Available Use% Mounted on
rootfs 5.3M 944.0K 4.4M 17% /
/dev/root 1.8M 1.8M 0 100% /rom
tmpfs 30.2M 388.0K 29.8M 1% /tmp
tmpfs 512.0K 0 512.0K 0% /dev
root 30.2M 48.0K 30.1M 0% /tmp/root
overlayfs:/tmp/root 30.2M 48.0K 30.1M 0% /tmp/root
/dev/mtdblock3 5.3M 944.0K 4.4M 17% /overlay
overlayfs:/overlay 5.3M 944.0K 4.4M 17% /
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