X-Git-Url: https://git.rvb.name/weathermon.git/blobdiff_plain/8535e6a1afa35ae008854c6f494470126da9cd7e..6973d6067a55500a0d7d8868357decd72f24a73c:/weathermon.lua~?ds=inline

diff --git a/weathermon.lua~ b/weathermon.lua~
new file mode 100755
index 0000000..f2b584b
--- /dev/null
+++ b/weathermon.lua~
@@ -0,0 +1,273 @@
+#!/usr/bin/lua
+
+function getConfig()
+
+  local uci=require("uci")
+  local cur=uci.cursor()
+  local config="weathermon"
+
+  web_url  = cur.get(config,"web","url")
+  web_user = cur.get(config,"web","user")
+  web_pass = cur.get(config,"web","password")
+  web_devid = cur.get(config,"web","devid")
+
+  web_iface = cur.get(config,"web","iface")
+
+  if web_iface then
+  
+    command = '/sbin/ifconfig '..web_iface..' | grep \'\\<inet\\>\' | sed -n \'1p\' | tr -s \' \' | cut -d \' \' -f3 | cut -d \':\' -f2'
+    f=io.popen(command,'r')
+    ip_addr=f:read()
+  
+  end
+
+  if not web_devid then
+  
+    if web_iface then
+      io.input("/sys/class/net/"..web_iface.."/address")
+    else
+      io.input("/sys/class/net/eth0/address")
+    end
+
+    mac = io.read("*line")
+    mac = mac:gsub(":","")
+    mac = mac:upper()
+
+    web_devid = mac
+
+  end
+
+  logging = cur.get(config,"logging","enabled") 
+
+  serial_port = cur.get(config,"serial","port")
+  serial_baud = cur.get(config,"serial","baud")
+
+  input_file = cur.get(config,"input","file")
+  input_exec = cur.get(config,"input","exec")
+  alarm_exec = cur.get(config,"alarm","exec")
+
+  if serial_port then
+
+    command = "stty -F  "..serial_port.." "..serial_baud
+    os.execute(command)
+
+  end
+
+  mqtt_host = cur.get(config,"mqtt","host")
+  mqtt_port = cur.get(config,"mqtt","port")
+  mqtt_id = cur.get(config,"mqtt","id")
+  mqtt_topic = cur.get(config,"mqtt","topic")
+  mqtt_alarm_topic = cur.get(config,"mqtt","alarm_topic")
+
+  mqtt_user = cur.get(config,"mqtt","user")
+  mqtt_passwd = cur.get(config,"mqtt","password")
+
+  if mqtt_host and not mqtt_id then
+    mqtt_id="weather-"..web_devid
+  end
+
+  if mqtt_host and not mqtt_port then
+    mqtt_port = 1883
+  end
+
+  if mqtt_host and not mqtt_topic then
+    mqtt_topic = 'weathermon/{dev}/{type}/{id}/{param}'
+  end
+
+  if mqtt_host and not mqtt_alarm_topic then
+    mqtt_alarm_topic = 'alarm/{dev}/{type}/{id}'
+  end
+
+end
+
+require "socket"
+
+function sleep(sec)
+  socket.select(nil, nil, sec)
+end
+
+function splitStr(str,char)
+
+  local res = {}
+  local idx = 1
+
+
+  while str:len()>0 do
+    pos = str:find(char); 
+    if pos == nil then
+      res[idx]=str
+      str=""
+    else
+      res[idx]=str:sub(1,pos-1)
+      idx=idx+1
+      str=str:sub(pos+1)
+    end
+  end
+
+  return res
+
+end
+
+function printLog(str)
+  print(str)
+  if logging=="on" then
+    os.execute("logger -t weathermon "..str)
+  end 
+end
+
+function submitValue(type,id,param,val)
+
+  url = web_url.."?stype="..type.."&sid="..id.."&param="..param.."&value="..val
+
+  command = "curl"
+
+  if web_iface then
+    command = command.." --interface "..ip_addr
+  end
+
+  if web_user then
+    command = command.." -u "..web_user..":"..web_pass
+  end
+
+  command = command.." \""..url.."\""
+
+  os.execute(command)
+  print()
+
+end
+
+function processLine(str)
+
+  msg=splitStr(line,':')
+  msg_type=msg[1] or ''
+  msg_body=msg[2] or ''
+  if msg_type=="STATUS" then
+    printLog("Status: "..msg_body)
+  elseif msg_type=="ERROR" then
+    printLog("Error: "..msg_body)  
+  elseif msg_type=="SENSOR" then
+    printLog("SENSOR: "..msg_body)  
+    sens = splitStr(msg_body,",")
+    sensor = {}
+    idx = 1
+    sensor_type = nil
+    sensor_id = web_devid
+    for i,rec in ipairs(sens) do
+      recrd=splitStr(rec,'=')
+      key=recrd[1] or ''
+      value=recrd[2] or ''
+      if value then
+        if key=="TYPE" then
+          sensor_type=value
+        elseif key=="ID" then
+          sensor_id=value
+        else
+          sensor[key]=value
+        end
+      end
+    end
+    if not (sensor_type==nil or sensor_id==nil or sensor_type=='' or sensor_id=='') then
+      for k,v in pairs(sensor) do
+        printLog("Type = "..sensor_type..", ID = "..sensor_id..", Param = "..k..", Value = "..v)
+        submitValue(sensor_type,sensor_id,k,v)
+        if mqtt_client then
+          mqtt_path=string.gsub(mqtt_topic,"{(.-)}", 
+            function (name) 
+              if name=="dev" then
+                return web_devid
+              elseif name=="type" then
+                return sensor_type
+              elseif name=="id" then
+                return sensor_id
+              elseif name=="param" then
+                return k
+              else
+                return '{'..name..'}'
+              end      
+            end)
+          mqtt_client:publish(mqtt_path,v)
+        end  
+      end
+    else
+      printLog("Cannot parse sensor input: "..msg_body)
+    end
+  elseif msg_type=="ALARM" then
+    printLog("ALARM: "..msg_body)  
+    sens = splitStr(msg_body,",")
+    sensor = {}
+    idx = 1
+    sensor_type = nil
+    sensor_id = web_devid
+    mqtt_param = {}
+    for i,rec in ipairs(sens) do
+      recrd=splitStr(rec,'=')
+      key=recrd[1] or ''
+      value=recrd[2] or ''
+      if value then
+        if key=="TYPE" then
+          alarm_type=value
+        elseif key=="ID" then
+          alarm_id=value
+        end
+      end
+    end
+    if not (alarm_type==nil or alarm_id==nil or alarm_type=='' or alarm_id=='') then
+      if mqtt_client then
+        mqtt_path=string.gsub(mqtt_alarm_topic,"{(.-)}", 
+          function (name) 
+            if name=="dev" then
+              return web_devid
+            elseif name=="type" then
+              return sensor_type
+            elseif name=="id" then
+              return sensor_id
+            else
+              return '{'..name..'}'
+            end      
+          end)
+        mqtt_client:publish(mqtt_path,msg_body)
+      end
+      if alarm_exec then
+        command=alarm_exec..
+          " \""..string.gsub(alarm_type,"\"","\\\"")..
+          "\" \""..string.gsub(alarm_id,"\"","\\\"")..
+          "\" \""..string.gsub(msg_body,"\"","\\\"").."\""
+        os.execute(command)
+      end
+    else
+      printLog("Cannot parse alarm input: "..msg_body)
+    end
+  end
+
+end
+
+getConfig()
+
+if mqtt_host then
+  MQTT = require "paho.mqtt"
+  mqtt_client = MQTT.client.create(mqtt_host, mqtt_port)
+  if mqtt_user then
+    mqtt_client:auth(mqtt_user, mqtt_passwd)
+  end
+  mqtt_client:connect(mqtt_id)
+  json = require( "json" )
+end
+
+if serial_port then
+  serialin=io.open(serial_port,"r")
+elseif input_file == "-" then
+  serialin=io.stdin;
+elseif input_file then
+  serialin=io.open(input_file,"r")
+elseif input_exec then
+  serialin=io.popen(input_exec,"r")
+else
+  printLog("No input selected")
+  return
+end  
+while 1 do
+  line=serialin:read()
+  print(line)
+  processLine(line)
+end
+