FHEM event processing via Telnet (inform)
The flow connects to an FHEM instance via Telnet (change the IP address in the incoming TCP node) and listens to all events. It parses events into device, reading and value.
[{"id":"dca33d8.38ff4c","type":"tcp out","z":"379029c6.41a1f6","host":"","port":"","beserver":"reply","base64":false,"end":false,"name":"reply","x":830,"y":200,"wires":[]},{"id":"756957c2.573038","type":"tcp in","z":"379029c6.41a1f6","name":"FHEM","server":"client","host":"192.168.1.1","port":"7072","datamode":"stream","datatype":"utf8","newline":"\\n","topic":"fhem","base64":false,"x":190,"y":200,"wires":[["27c79c99.9276b4","aa51ec2a.5d5cd"]]},{"id":"f3779ae5.6a2498","type":"template","z":"379029c6.41a1f6","name":"+ newline","field":"payload","fieldType":"msg","format":"handlebars","syntax":"mustache","template":"inform on\n","x":662,"y":82,"wires":[["dca33d8.38ff4c"]]},{"id":"27c79c99.9276b4","type":"template","z":"379029c6.41a1f6","name":"no msg back","field":"payload","fieldType":"msg","format":"handlebars","syntax":"mustache","template":"","x":510,"y":200,"wires":[["dca33d8.38ff4c"]]},{"id":"b34730fc.7a247","type":"status","z":"379029c6.41a1f6","name":"on status","scope":["756957c2.573038"],"x":160,"y":90,"wires":[["92b575a3.467ae8"]]},{"id":"92b575a3.467ae8","type":"switch","z":"379029c6.41a1f6","name":"","property":"status.text","propertyType":"msg","rules":[{"t":"eq","v":"common.status.connected","vt":"str"},{"t":"eq","v":"common.status.disconnected","vt":"str"}],"checkall":"true","repair":false,"outputs":2,"x":304,"y":90,"wires":[["f3779ae5.6a2498"],["1d7a0b18.82c475"]]},{"id":"aa51ec2a.5d5cd","type":"function","z":"379029c6.41a1f6","name":"parseFHEMInform","func":"var i1 = msg.payload.indexOf(' ');\nvar i2 = msg.payload.indexOf(' ', i1+1);\n\nmsg.deviceType = msg.payload.substring(0,i1);\nmsg.device = msg.payload.substring(i1+1,i2);\nmsg.event = msg.payload.substring(i2+1);\n\nvar i3 = msg.event.indexOf(': ');\n\nif (i3 > 0)\n{\n msg.reading = msg.event.substring(0,i3);\n msg.value = msg.event.substring(i3+2);\n}\n\nreturn msg;","outputs":1,"noerr":0,"x":350,"y":280,"wires":[["65727cc.f4e8584","52c1a183.ce97f"]]},{"id":"52c1a183.ce97f","type":"debug","z":"379029c6.41a1f6","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","x":510,"y":320,"wires":[]}]
