+#!/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.."¶m="..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
+
projects / weathermon.git / blobdiff