Макроподстановки в топике MQTT для удобства связывания с OpenHAB

[weathermon.git] / weathermon.lua

diff --git a/weathermon.lua b/weathermon.lua
index c97983058796ddaf275bcc6c9417d8d69b6da35a..b2ca89897c47834c7bc6a93d8c71f0131f13c3ef 100755 (executable)
--- a/weathermon.lua
+++ b/weathermon.lua
@@ -59,6 +59,9 @@ function getConfig()
   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
@@ -68,11 +71,11 @@ function getConfig()
   end
 
   if mqtt_host and not mqtt_topic then
-    mqtt_topic = 'weathermon/'..web_devid
+    mqtt_topic = 'weathermon/{dev}/{type}/{id}/{param}'
   end
 
   if mqtt_host and not mqtt_alarm_topic then
-    mqtt_alarm_topic = 'alarm/'..web_devid
+    mqtt_alarm_topic = 'alarm/{dev}/{type}/{id}'
   end
 
 end
@@ -129,6 +132,7 @@ function submitValue(type,id,param,val)
   command = command.." \""..url.."\""
 
   os.execute(command)
+  print()
 
 end
 
@@ -162,16 +166,26 @@ function processLine(str)
         end
       end
     end
-    mqtt_param = {}
     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)
-      mqtt_param[k]=v
-    end
-    mqtt_msg = { type=sensor_type, id=sensor_id, data=mqtt_param }
-    if mqtt_client then
-      serializedString = json.encode(mqtt_msg)
-      mqtt_client:publish(mqtt_topic,serializedString)
+      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
   elseif msg_type=="ALARM" then
     printLog("ALARM: "..msg_body)  
@@ -190,15 +204,23 @@ function processLine(str)
           alarm_type=value
         elseif key=="ID" then
           alarm_id=value
-        else
-          mqtt_param[key]=value
         end
       end
     end
     if mqtt_client then
-      mqtt_msg = { type = alarm_type, id = alarm_id, data = mqtt_param }
-      serializedString = json.encode(mqtt_msg)
-      mqtt_client:publish(mqtt_alarm_topic,serializedString)
+      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..
@@ -216,6 +238,9 @@ 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