MQTT subscribe

[admin]

Add custom logic to the MQTT callbacks:

Code:

mclient.ON_CONNECT = function(res, ...)   log('mqtt connect status', res, ...)   if res then     mclient:subscribe('100')   else     mclient:disconnect()   end end mclient.ON_MESSAGE = function(mid, topic, payload)   if topic == '100' then     if payload == "C,1,1,\r\n" then       grp.write('0/0/1', true)     elseif payload == "C,1,0,\r\n" then       grp.write('0/0/1', false)     elseif payload == "C,2,1,\r\n" then       grp.write('0/0/2', true)     elseif payload == "C,2,0,\r\n" then       grp.write('0/0/2', false)     end   end end

Using one topic for controlling multiple entities is bad system design. Each relay should have it's own topic for control if possible.