ojousima.ble_influx_gw/lib/index.js

Read BLE advertisements, parse data and relay data to InfluxDB

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var influx_1 = require("influx");
var Noble = require("noble");
var ojousima_ruuvi_endpoints_ts_1 = require("ojousima.ruuvi_endpoints.ts");
var os = require("os");
var accelerationdata_1 = require("./accelerationdata");
var batterydata_1 = require("./batterydata");
// Setup database connection
var batteryDB = new influx_1.InfluxDB(batterydata_1.BatteryOptions);
batteryDB.getDatabaseNames().then(function (names) {
    var dbname = batterydata_1.BatteryOptions.database ? batterydata_1.BatteryOptions.database : 'misc';
    if (0 > names.indexOf(dbname)) {
        return batteryDB.createDatabase(dbname);
    }
});
// Setup database connection
var accelerationDB = new influx_1.InfluxDB(accelerationdata_1.AccelerationOptions);
batteryDB.getDatabaseNames().then(function (names) {
    var dbname = accelerationdata_1.AccelerationOptions.database ? accelerationdata_1.AccelerationOptions.database : 'misc';
    if (0 > names.indexOf(dbname)) {
        return accelerationDB.createDatabase(dbname);
    }
});
// Setup scanning
Noble.on('stateChange', function (state) {
    if (state !== 'poweredOn') {
        Noble.stopScanning();
    }
    else {
        Noble.startScanning([], true);
    }
});
Noble.on('discover', function (peripheral) {
    var advertisement = peripheral.advertisement;
    var id = peripheral.id;
    var localName = advertisement.localName;
    var txPowerLevel = advertisement.txPowerLevel;
    var manufacturerData = advertisement.manufacturerData;
    var serviceData = advertisement.serviceData;
    var serviceUuids = advertisement.serviceUuids;
    var rssi = peripheral.rssi;
    var timestamp = Date.now();
    if (undefined === manufacturerData) {
        return;
    }
    // Parse manufacturer ID
    var view = new DataView(manufacturerData.buffer);
    var manufacturerID = view.getUint16(0, true);
    // If ID is Ruuvi Innovations 0x0499
    if (0x0499 === manufacturerID) {
        var data = Uint8Array.from(peripheral.advertisement.manufacturerData.slice(2));
        // If data is acceleration data
        if (0xac === data[0]) {
            try {
                var AccelerationData = ojousima_ruuvi_endpoints_ts_1.dfacparser(data);
                var sample = accelerationdata_1.AccelerationBroadcastToInflux(AccelerationData);
                if (undefined === sample.tags) {
                    sample.tags = {};
                }
                if (undefined === sample.fields) {
                    sample.fields = {};
                }
                sample.tags.gatewayID = os.hostname();
                sample.tags.address = id;
                sample.fields.rssi = rssi;
                var tx = [sample];
                batteryDB.writePoints(tx);
            }
            catch (e) { }
        }
        // If data is battery data
        if (0xba === data[0]) {
            try {
                var BatteryData = ojousima_ruuvi_endpoints_ts_1.dfbaparser(data);
                var sample = batterydata_1.BatteryBroadcastToInflux(BatteryData);
                if (undefined === sample.tags) {
                    sample.tags = {};
                }
                if (undefined === sample.fields) {
                    sample.fields = {};
                }
                sample.tags.gatewayID = os.hostname();
                sample.tags.address = id;
                sample.fields.rssi = rssi;
                var tx = [sample];
                batteryDB.writePoints(tx);
            }
            catch (e) { }
        }
    }
});