#!/usr/bin/lua
-function getConfig()
+require("json")
+require("socket")
+
+function startswith(String,Start)
+ if String then
+ return string.sub(String,1,string.len(Start))==Start
+ else
+ return False
+ end
+end
+
+function url_encode(str)
+ if (str) then
+ str = string.gsub (str, "\n", "\r\n")
+ str = string.gsub (str, "([^%w %-%_%.%~])",
+ function (c) return string.format ("%%%02X", string.byte(c)) end)
+ str = string.gsub (str, " ", "+")
+ end
+ return str
+end
+
+function capture(cmd, raw)
+ local f = assert(io.popen(cmd, 'r'))
+ local s = assert(f:read('*a'))
+ f:close()
+ if raw then return s end
+ s = string.gsub(s, '^%s+', '')
+ s = string.gsub(s, '%s+$', '')
+ s = string.gsub(s, '[\n\r]+', ' ')
+ return s
+end
+
+function mqtt_encode(str)
+ if (str) then
+ str = string.gsub (str, "\n", "")
+ str = string.gsub (str, "/", "-")
+ end
+ return str
+end
+
+function getConfig(configname)
local uci=require("uci")
local cur=uci.cursor()
- local config="weathermon"
+ local config
+ if configname then
+ config=configname
+ else
+ config="weathermon"
+ end
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
- io.input("/sys/class/net/eth0/address")
- mac = io.read("*line")
- mac = mac:gsub(":","")
- mac = mac:upper()
+ 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
- web_devid = web_devid or mac
+ 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")
-end
+ 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")
-require "socket"
+ if serial_port then
+
+ command = "stty -F "..serial_port.." "..serial_baud
+ capture(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
function sleep(sec)
socket.select(nil, nil, sec)
local res = {}
local idx = 1
-
while str:len()>0 do
pos = str:find(char);
if pos == nil then
end
function printLog(str)
- print(str)
if logging=="on" then
- os.execute("logger -t weathermon "..str)
+ capture("logger -t weathermon "..str)
+ else
+ print(str)
end
end
function submitValue(type,id,param,val)
- printLog("URL="..web_url)
-
- url = web_url.."?stype="..type.."&sid="..id.."¶m="..param.."&value="..val
-
- printLog(url)
+ url = web_url.."?stype="..url_encode(type).."&sid="..url_encode(id).."¶m="..url_encode(param).."&value="..url_encode(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.."\""
- printLog("COMMAND=\""..command.."\"")
- os.execute(command)
- print("")
+ result = capture(command)
+
+end
+
+function processJson(str)
+
+ msg=json.decode(str)
+
+ sensor={}
+
+ for key,value in pairs(msg) do
+ if value then
+ if key=="model" or key=="device" then
+ sensor_type=value
+ elseif key=="id" then
+ sensor_id=value
+ elseif key=='time' then
+ sensor_time=value
+ else
+ sensor[key]=value
+ end
+ end
+ end
+
+ if not (sensor_type==nil or sensor_id==nil or sensor_type=='' or sensor_id=='') then
+ if next(sensor)==nil then
+ sensor["command"]="alarm"
+ end
+ 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 mqtt_encode(web_devid)
+ elseif name=="type" then
+ return mqtt_encode(sensor_type)
+ elseif name=="id" then
+ return mqtt_encode(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
end
function processLine(str)
msg=splitStr(line,':')
- msg_type=msg[1] or nil
- msg_body=msg[2] or nil
+ msg_type=msg[1] or ''
+ msg_body=msg[2] or ''
if msg_type=="STATUS" then
printLog("Status: "..msg_body)
elseif msg_type=="ERROR" then
sensor_id = web_devid
for i,rec in ipairs(sens) do
recrd=splitStr(rec,'=')
- key=recrd[1] or nil
- value=recrd[2] or nil
+ key=recrd[1] or ''
+ value=recrd[2] or ''
if value then
if key=="TYPE" then
sensor_type=value
end
end
end
- for k,v in pairs(sensor) do
- printLog("Type = "..sensor_type..", ID = "..sensor_id..", Param = "..key..", Value = "..value)
- submitValue(sensor_type,sensor_id,key,value)
+ 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,"\"","\\\"").."\""
+ capture(command)
+ end
+ else
+ printLog("Cannot parse alarm input: "..msg_body)
end
end
end
-getConfig()
+getConfig(arg[1])
+
+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)
+end
-line=arg[1]
-print(line)
-processLine(line)
+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()
+ if line == nil then
+ break
+ end
+ printLog("Received: "..line);
+ if startswith(line,'{') then
+ processJson(line)
+ else
+ processLine(line)
+ end
+end
projects / weathermon.git / blobdiff