[
  {
    "id": "tab_knx_mr_srv_sample",
    "type": "tab",
    "label": "KNX/IP Server (MultiRouting)",
    "disabled": false,
    "info": ""
  },
  {
    "id": "cmt_knx_mr_srv_1",
    "type": "comment",
    "z": "tab_knx_mr_srv_sample",
    "name": "Use knxUltimateMultiRouting as a standalone KNXnet/IP Tunneling Server (UDP).",
    "info": "1) Deploy.\n2) Configure your KNX/IP tunneling client to connect to this Node-RED host on tunnelListenPort (default 3671).\n3) Watch the RAW telegrams in the Debug node.\n\nTo test the INPUT side: after at least one telegram is received, click the inject node \"Replay last\" to inject the last received telegram back to connected tunneling client(s).",
    "x": 430,
    "y": 40,
    "wires": []
  },
  {
    "id": "mr_tunnel_server",
    "type": "knxUltimateMultiRouting",
    "z": "tab_knx_mr_srv_sample",
    "mode": "server",
    "server": "",
    "name": "KNX/IP Tunneling Server",
    "outputtopic": "",
    "dropIfSameGateway": true,
    "tunnelListenHost": "0.0.0.0",
    "tunnelListenPort": "3671",
    "tunnelAdvertiseHost": "",
    "tunnelAssignedIndividualAddress": "15.15.255",
    "tunnelGatewayId": "knxip-server",
    "tunnelMaxSessions": "1",
    "x": 240,
    "y": 160,
    "wires": [
      [
        "fn_cache_last",
        "dbg_tunnel_raw"
      ]
    ]
  },
  {
    "id": "dbg_tunnel_raw",
    "type": "debug",
    "z": "tab_knx_mr_srv_sample",
    "name": "RAW from tunneling client",
    "active": true,
    "tosidebar": true,
    "console": false,
    "tostatus": false,
    "complete": "payload.knx",
    "targetType": "msg",
    "x": 520,
    "y": 160,
    "wires": []
  },
  {
    "id": "fn_cache_last",
    "type": "function",
    "z": "tab_knx_mr_srv_sample",
    "name": "Cache last telegram",
    "func": "try {\n    if (msg && msg.payload && msg.payload.knx) {\n        flow.set('last_knx_raw', msg.payload.knx);\n    }\n} catch (e) {}\nreturn null;",
    "outputs": 0,
    "noerr": 0,
    "initialize": "",
    "finalize": "",
    "libs": [],
    "x": 500,
    "y": 220,
    "wires": []
  },
  {
    "id": "inj_replay_last",
    "type": "inject",
    "z": "tab_knx_mr_srv_sample",
    "name": "Replay last",
    "props": [
      {
        "p": "payload"
      }
    ],
    "repeat": "",
    "crontab": "",
    "once": false,
    "onceDelay": 0.1,
    "topic": "",
    "payload": "",
    "payloadType": "date",
    "x": 170,
    "y": 300,
    "wires": [
      [
        "fn_replay_last"
      ]
    ]
  },
  {
    "id": "fn_replay_last",
    "type": "function",
    "z": "tab_knx_mr_srv_sample",
    "name": "Build replay msg",
    "func": "const last = flow.get('last_knx_raw');\nif (!last) {\n    node.warn('No cached telegram yet. Generate one from a tunneling client first.');\n    return null;\n}\n\n// IMPORTANT:\n// - Server mode expects msg.payload.knx.cemi.hex (or msg.payload.knx.cemi) to be present.\n// - Do NOT attach knxMultiRouting.gateway.id here, otherwise dropIfSameGateway may discard it.\nreturn {\n    topic: last.destination || '',\n    payload: {\n        knx: last\n    }\n};",
    "outputs": 1,
    "noerr": 0,
    "initialize": "",
    "finalize": "",
    "libs": [],
    "x": 360,
    "y": 300,
    "wires": [
      [
        "mr_tunnel_server",
        "dbg_replay"
      ]
    ]
  },
  {
    "id": "dbg_replay",
    "type": "debug",
    "z": "tab_knx_mr_srv_sample",
    "name": "Replay msg",
    "active": true,
    "tosidebar": true,
    "console": false,
    "tostatus": false,
    "complete": "true",
    "targetType": "full",
    "x": 520,
    "y": 300,
    "wires": []
  }
]