TCP Socket receiving.json

[
    {
        "id": "68139e86.85018",
        "type": "tcp in",
        "z": "d29d489d.a5eb08",
        "name": "tcp in",
        "server": "server",
        "host": "",
        "port": "9000",
        "datamode": "stream",
        "datatype": "utf8",
        "newline": "\\n",
        "topic": "",
        "base64": false,
        "x": 290,
        "y": 520,
        "wires": [
            [
                "63c6d0c3.6ff95"
            ]
        ]
    },
    {
        "id": "63c6d0c3.6ff95",
        "type": "debug",
        "z": "d29d489d.a5eb08",
        "name": "",
        "active": true,
        "tosidebar": true,
        "console": false,
        "tostatus": false,
        "complete": "false",
        "x": 470,
        "y": 520,
        "wires": []
    },
    {
        "id": "a15fb31b.bd63d",
        "type": "inject",
        "z": "d29d489d.a5eb08",
        "name": "",
        "topic": "",
        "payload": "test\\n",
        "payloadType": "str",
        "repeat": "",
        "crontab": "",
        "once": false,
        "onceDelay": 0.1,
        "x": 190,
        "y": 620,
        "wires": [
            [
                "4793bfbf.abf35"
            ]
        ]
    },
    {
        "id": "910db0cb.357d5",
        "type": "tcp out",
        "z": "d29d489d.a5eb08",
        "host": "0.0.0.0",
        "port": "9000",
        "beserver": "reply",
        "base64": false,
        "end": false,
        "name": "tcp out",
        "x": 510,
        "y": 620,
        "wires": []
    },
    {
        "id": "4793bfbf.abf35",
        "type": "function",
        "z": "d29d489d.a5eb08",
        "name": "get session",
        "func": "msg._session = flow.get(\"session\");\nif(msg._session){\n    return msg;\n}\n",
        "outputs": 1,
        "noerr": 0,
        "x": 350,
        "y": 620,
        "wires": [
            [
                "910db0cb.357d5"
            ]
        ]
    },
    {
        "id": "e53045d1.18d088",
        "type": "status",
        "z": "d29d489d.a5eb08",
        "name": "",
        "scope": [
            "68139e86.85018",
            "910db0cb.357d5"
        ],
        "x": 200,
        "y": 760,
        "wires": [
            [
                "4c81d754.4b04b8"
            ]
        ]
    },
    {
        "id": "b33a20c5.56413",
        "type": "debug",
        "z": "d29d489d.a5eb08",
        "name": "",
        "active": true,
        "tosidebar": true,
        "console": false,
        "tostatus": false,
        "complete": "status",
        "targetType": "msg",
        "x": 630,
        "y": 760,
        "wires": []
    },
    {
        "id": "4c81d754.4b04b8",
        "type": "function",
        "z": "d29d489d.a5eb08",
        "name": "store current session",
        "func": "var output = [null,null]\n\nif( msg.status.event === \"connect\" ){\n    flow.set(\"session\",msg.status._session);\n    output[0] = msg;\n}\nelse if( msg.status.event === \"disconnect\" ){\n    flow.set(\"session\",null);\n    output[1] = msg;\n}\nreturn output;",
        "outputs": 2,
        "noerr": 0,
        "x": 400,
        "y": 760,
        "wires": [
            [
                "b33a20c5.56413"
            ],
            [
                "b33a20c5.56413"
            ]
        ]
    },
    {
        "id": "8df0992f.8c9bd8",
        "type": "comment",
        "z": "d29d489d.a5eb08",
        "name": " connection status msg",
        "info": "",
        "x": 240,
        "y": 720,
        "wires": []
    },
    {
        "id": "34b124ef.08fc9c",
        "type": "comment",
        "z": "d29d489d.a5eb08",
        "name": "send test message",
        "info": "",
        "x": 210,
        "y": 580,
        "wires": []
    },
    {
        "id": "6e951944.d52b18",
        "type": "comment",
        "z": "d29d489d.a5eb08",
        "name": "log incoming message",
        "info": "",
        "x": 340,
        "y": 480,
        "wires": []
    }
]

test flow.js

const net = require('net');
var connection = net.createConnection(9000,"127.0.0.1",function(e){ connection
.write("connected\n"); connection.on("data",function(m){ console.log(m.toString(
)) }) });
connection.write("test\n");