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openwrt19.07中获取光猫工作温度的lua脚本

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

openwrt19.07中获取光猫工作温度的lua脚本

转载注明来源: 本文链接 来自osnosn的博客,写于 2020-10-25.

本文的 lua 脚本都是运行在 openwrt 的 shell 中

  • openwrt 自身的 lan IP 改为非 192.168.1.x 网段。
    因为光猫都是 192.168.1.1 这个IP。

光猫 HG6201T

#!/usr/bin/lua

-- for "HG6201T" MODEM, 2020-10
-- --- command line argument, help ---
if(arg[1]==nil or string.len(arg[1])<1) then
  local cmd='   '..arg[0]..'  '
  print('Usage:')
  print(cmd..'origin')
  print(cmd..'string')
  print(cmd..'info')
  print(cmd..'temp')
  os.exit()
end
local show="none"
if(string.lower(string.sub(arg[1],1,1))=="t") then
  show="temp"
elseif(string.lower(string.sub(arg[1],1,1))=="o") then
  show="origin"
elseif(string.lower(string.sub(arg[1],1,1))=="s") then
  show="str"
elseif(string.lower(string.sub(arg[1],1,1))=="i") then
  show="info"
end

-- --- get MODEM Temperature ---
require("luci.sys")
string.split = function(s, p)
    local rt= {}
    string.gsub(s, '[^'..p..']+', function(w) table.insert(rt, w) end )
    return rt
end

-- If someone logs in, prevent being logged out.
-- Because one login, the whole network can access the MODEM.
-- First get the PON information directly.
local ponurl="http://192.168.1.1:8080/cgi-bin/pon_link_info.cgi?_=1234560123456"
local pon=luci.sys.httpget(ponurl)
if(string.find(pon,'window.location.href =')~=nil)
then
  print("login and get.\n")
  -- login
  url="http://192.168.1.1:8080/cgi-bin/login.htm.cgi?username=telecomadmin&password=nE7jA%5m"
  getcmd="/bin/wget --no-check-certificate -qO- '%s'" %url
  a=luci.sys.exec(getcmd)

  getcmd="/bin/wget --no-check-certificate -qO- '%s'" % ponurl
  pon=luci.sys.exec(getcmd)

  -- logout
  url="http://192.168.1.1:8080/cgi-bin/exit.htm.cgi"
  getcmd="/bin/wget --no-check-certificate -qO- '%s'" %url
  a=luci.sys.exec(getcmd)
end

if(show=="origin") then
  print(pon)
  os.exit()
end

require("luci.jsonc")
ponTable=luci.jsonc.parse(pon)

if(show=="str") then
  print(ponTable["PONINFO"]["poninfo_COUNstr"])
  os.exit()
end

coun=string.split(ponTable["PONINFO"]["poninfo_COUNstr"],"&")

if(show=="temp") then
  print('Temperature:',coun[4])
  os.exit()
end

if(show=="info") then
  print('Send(dBm):',coun[1])
  print('Receive(dBm):',coun[2])
  print('Voltage(V):',coun[3])
  print('Current(mA):',coun[5])
  print('Temperature:',coun[4])
  os.exit()
end

光猫 TG1400ct

#!/usr/bin/lua

-- for "TG1400ct" MODEM, 2020-10
-- --- command line argument, help ---
if(arg[1]==nil or string.len(arg[1])<1) then
  local cmd='   '..arg[0]..'  '
  print('Usage:')
  print(cmd..'origin')
  print(cmd..'string')
  print(cmd..'info')
  print(cmd..'temp')
  os.exit()
end
local show="none"
if(string.lower(string.sub(arg[1],1,1))=="t") then
  show="temp"
elseif(string.lower(string.sub(arg[1],1,1))=="o") then
  show="origin"
elseif(string.lower(string.sub(arg[1],1,1))=="s") then
  show="str"
elseif(string.lower(string.sub(arg[1],1,1))=="i") then
  show="info"
end

-- --- get MODEM Temperature ---
require("luci.sys")
string.split = function(s, p)
    local rt= {}
    string.gsub(s, '[^'..p..']+', function(w) table.insert(rt, w) end )
    return rt
end

-- If someone logs in, prevent being logged out.
-- Because one login, the whole network can access the MODEM.
-- First get the PON information directly.
local ponurl="http://192.168.1.1/status_gpon.asp"
local pon=luci.sys.httpget(ponurl)
if(string.find(pon,'type="password"')~=nil)
then
  print("login and get.\n")
  -- login
  -- post data need "&" at begin and end of the string
  postdata='&psd=nE7jA%255m&username=telecomadmin'
  url="http://192.168.1.1/boaform/admin/formLogin"
  getcmd="/bin/wget --no-check-certificate --post-data='%s' -qO- '%s'" % {postdata, url}
  a=luci.sys.exec(getcmd)

  getcmd="/bin/wget --no-check-certificate -qO- '%s'" % ponurl
  pon=luci.sys.exec(getcmd)

  -- logout
  url="http://192.168.1.1/boaform/admin/formLogout"
  getcmd="/bin/wget --no-check-certificate -qO- '%s'" %url
  a=luci.sys.exec(getcmd)
end

nn1=string.find(pon,'<table class="flat" border="1" cellpadding="1" cellspacing="1">')
nn2=string.find(pon,'<table class="flat" border="1" cellpadding="1" cellspacing="1">',nn1+2)
nn3=string.find(pon,'</table>',nn2+2)
pon_sector=string.sub(pon,nn2,nn3+7)
pon_sector=(string.gsub(pon_sector,'\t*',''))

if(show=="origin") then
  print(pon_sector)
  os.exit()
end

pon_sector=(string.gsub(pon_sector,'</td>','##'))
pon_sector=(string.gsub(pon_sector,'<.->',''))
pon_sector=(string.gsub(pon_sector,'\n',''))

if(show=="str") then
  print(pon_sector)
  os.exit()
end

coun=string.split(pon_sector,"##")

if(show=="temp") then
  print('Temperature:',coun[6])
  os.exit()
end

if(show=="info") then
  print('Send(dBm):',coun[2])
  print('Receive(dBm):',coun[4])
  print('Voltage(V):',coun[8])
  print('Current(mA):',coun[10])
  print('Temperature:',coun[6])
  os.exit()
end

光猫 TEWA-708G

  • 这款光猫,用 openwrt 缺省的 wget 实在是无法登录。
    只好装个 curl , 在路由中执行opkg install curl,才搞定登录。
#!/usr/bin/lua

-- for "TEWA-708G" MODEM, 2020-10
-- --- command line argument, help ---
if(arg[1]==nil or string.len(arg[1])<1) then
  local cmd='   '..arg[0]..'  '
  print('Usage:')
  print(cmd..'origin')
  print(cmd..'string')
  print(cmd..'info')
  print(cmd..'temp')
  os.exit()
end
local show="none"
if(string.lower(string.sub(arg[1],1,1))=="t") then
  show="temp"
elseif(string.lower(string.sub(arg[1],1,1))=="o") then
  show="origin"
elseif(string.lower(string.sub(arg[1],1,1))=="s") then
  show="str"
elseif(string.lower(string.sub(arg[1],1,1))=="i") then
  show="info"
end

-- --- get MODEM Temperature ---
require("luci.sys")
string.split = function(s, p)
    local rt= {}
    string.gsub(s, '[^'..p..']+', function(w) table.insert(rt, w) end )
    return rt
end

-- If someone logs in, prevent being logged out.
-- Because one login, the whole network can access the MODEM.
-- First get the PON information directly.
local ponurl="http://192.168.1.1:8080/SW_Pon_Linkinfo.html"
local pon=luci.sys.httpget(ponurl)
if(string.find(pon,':8080/login.html')~=nil)
then
  -- login
  url="http://192.168.1.1:8080/login.cgi"
  local post='&username=telecomadmin&password=nE7jA%255m&'
  -- wget post always FAIL to login
  --getcmd="wget --no-check-certificate --post-data='%s' -qO- '%s'" % { post, url }
  getcmd="curl -s -d '%s' -X POST 'http://192.168.1.1:8080/login.cgi'" % {post,url}
  a=luci.sys.exec(getcmd)
 
  getcmd="wget --no-check-certificate -qO- '%s'" % ponurl
  pon=luci.sys.exec(getcmd)

  -- logout
  url="http://192.168.1.1:8080/logout.cgi?sessionKey=1234567890"
  getcmd="wget --no-check-certificate -qO- '%s'" %url
  a=luci.sys.exec(getcmd)
end

pon=string.match(pon,"obj3Items = '[^']+';")

if (pon == nil or #pon <10) then
  print("login failed.")
  os.exit()
end

if(show=="origin") then
  print(pon)
  os.exit()
end

pon=string.sub(pon,14,-4)

if(show=="str") then
  print(pon)
  os.exit()
end

coun0=string.split(pon,"|")
coun2=string.split(coun0[1],"/")
coun1=string.split(coun0[2],"/")

if(show=="temp") then
  print('Temperature:',coun2[1])
  os.exit()
end

if(show=="info") then
  print('Send(dBm):',coun2[4])
  print('Receive(dBm):',coun2[5])
  print('Voltage(V):',coun2[2])
  print('Current(mA):',coun2[3])
  print('Temperature:',coun2[1])
  os.exit()
end

  • 读懂上面几个程序,其他型号的光猫,也不难写出来。
  • openwrt中默认安装的wget,POST请求兼容性不太好。如果老是失败,可以考虑装个curl解决,curl的兼容性很好。
  • 如果用python3来写,就更方便了。py3无论用urllib.request还是用requests,POST兼容性非常好。基本不会出问题。


以下的是 python3 的程序

光猫 PT632 G_2

  • 这款光猫,登录用到了cookie。openwrt中的lua搞不定了。只好用debian中的python3了。
#!/usr/bin/python3
# -*- coding: utf-8 -*- #

# 从MODEM 光猫中,获取PON温度

import urllib.request
import http.cookiejar
import time
import sys, getopt
import os
import re
import math

def getPON():
   cookie=http.cookiejar.CookieJar()
   opener = urllib.request.build_opener(urllib.request.HTTPCookieProcessor(cookie))
   header={
       'Origin': 'http://192.168.1.1',
       'User-Agent':'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.66 Safari/537.36',
       'Accept':'*/*',
   }

   # only for 天翼光猫 "PT632 G_2"
   if 1:
      #print('Do login.')
      host='http://192.168.1.1/'
      req=urllib.request.Request(host, None,header)
      try:
         content=opener.open(req, timeout=5)
      except urllib.error.URLError as e: # 404
         if hasattr(e,'file'):
            #print(e.errno,e.reason,e.strerror,e.args)
            e.file.headers.add_header('Set-Cookie', 'UID=telecomadmin; path=/')
            e.file.headers.add_header('Set-Cookie', 'PSW=nE7jA%5m; path=/')
            e.file.headers.add_header('Set-Cookie', 'LoginTimes=1')
            cookie.extract_cookies(e.file, req)
            e.file.close()
         else:
            #print(e,e.reason)
            print(e)
            return None

      host='http://192.168.1.1/cgi-bin/index2.asp'
      postdata=b'Username=telecomadmin&Logoff=0&hLoginTimes=1&hLoginTimes_Zero=0&value_one=1&Password1=nE7jA%255m&Password2=nE7jA%255m&logintype=usr&Password=nE7jA%255m'
      req=urllib.request.Request(host, postdata,header)
      req.add_header('Referer', 'http://192.168.1.1/cgi-bin/index2.asp')
      content=opener.open(req, timeout=5)
      buf=content.read().decode('gbk')
      content.close()

      # h获取PON温度
      host='http://192.168.1.1/cgi-bin/sta-network.asp'
      req=urllib.request.Request(host, None,header)
      content=opener.open(req, timeout=10)
      # read()有时会卡住. 在上一行加入timeout,再观察 2020-11-26
      buf=content.read()
      content.close()

      # 退出登录
      host='http://192.168.1.1/cgi-bin/logout.cgi'
      req=urllib.request.Request(host, None,header)
      content=opener.open(req, timeout=5)
      content.close()
   opener.close()

   buf=buf.decode('gbk')
   Voltage=re.findall(r'this\.WorkVoltage[ \t]*= \(Number\((\d+)\)',buf)
   Current=re.findall(r'this\.WorkElectric[ \t]*= \(Number\((\d+)\)',buf)
   Temperature=re.findall(r'this\.WorkTemperature[ \t]*= transTemperature\((\d+)\)',buf)
   SendPower=re.findall(r'this\.SendPower[ \t]*= \(Math.round\(Math.log\(\(Number\((\d+)\)',buf)
   RecvPower=re.findall(r'this\.RecvPower[ \t]*= \(Math.round\(Math.log\(\(Number\((\d+)\)',buf)
   if len(Voltage)>0:
       Voltage=float(Voltage[0])/10
   if len(Current)>0:
       Current=float(Current[0])*2/1000
   if len(Temperature)>0:
       Temperature=float(Temperature[0])
       if Temperature>=pow(2,15):
           Temperature=-1*(pow(2,16)-Temperature)/256
       else:
           Temperature=Temperature/256
   if len(SendPower)>0:
       SendPower=math.log(float(SendPower[0])/10000)/math.log(10)*10
   if len(RecvPower)>0:
       RecvPower=math.log(float(RecvPower[0])/10000)/math.log(10)*10
   #print('Voltage:',Voltage,'mV')
   #print('Current:',Current,'mA')
   #print('Temperature: %0.1f 度'% Temperature)
   #print('SendPower: %0.2f dBm'% SendPower)
   #print('RecvPower: %0.2f dBm'% RecvPower)
   #print(Voltage.groups(),Current.groups())
   # return [收发器温度(度),工作电压(mV),工作电流(mA),发送光功率(dBm),接收光功率(dBm)]
   return [[Temperature,Voltage,Current,SendPower,RecvPower],[0,]]

def usage():
   print(u'Usage:')
   print(sys.argv[0]+' [-p|--print] [-h|--help]')
   print('   -p, --print    print stdout.')
   print('   -h, --help     print usage.')
   return

if __name__=='__main__':
    if(len(sys.argv)<2):
        usage()
        exit()
    try:
        opts, args = getopt.gnu_getopt(sys.argv[1:],'hp',['help','print',])
    except getopt.GetoptError as e:
        print(e)
        usage()
        exit(2)
    report_print=False
    for op,value in opts:
        if op in ('-h','--help'):
            usage()
            exit()
        elif op in('-p','--print'):
            report_print=True
    if not  report_print:
        usage()
        exit()
    s=getPON()
    if s is None:
        print('ERR: get modem stat.')
        exit()

    if report_print:
        print(time.strftime('%F %T'))
        print('{0:^8},{1:^9},{2:^8},{3:^10},{4:^10} '.format('收发器温度(度)','工作电压(mV)','工作电流(mA)','发送光功率(dBm)','接收光功率(dBm)'))
        print('{0[0]:^14.1f} {0[1]:^13} {0[2]:^12} {0[3]:^15.1f} {0[4]:^15.1f} '.format(s[0]))
        print()# 最后输出一个空行

转载注明来源: 本文链接 来自osnosn的博客.


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