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'use strict';
Object.defineProperty(exports, "__esModule", { value: true });
exports.MetricService = exports.HistogramOptions = exports.MetricBulk = exports.Metric = exports.MetricMeasurements = exports.MetricType = void 0;
const meter_1 = require("../utils/metrics/meter");
const counter_1 = require("../utils/metrics/counter");
const histogram_1 = require("../utils/metrics/histogram");
const serviceManager_1 = require("../serviceManager");
const constants_1 = require("../constants");
const Debug = require("debug");
const gauge_1 = require("../utils/metrics/gauge");
var MetricType;
(function (MetricType) {
MetricType["meter"] = "meter";
MetricType["histogram"] = "histogram";
MetricType["counter"] = "counter";
MetricType["gauge"] = "gauge";
MetricType["metric"] = "metric";
})(MetricType = exports.MetricType || (exports.MetricType = {}));
var MetricMeasurements;
(function (MetricMeasurements) {
MetricMeasurements["min"] = "min";
MetricMeasurements["max"] = "max";
MetricMeasurements["sum"] = "sum";
MetricMeasurements["count"] = "count";
MetricMeasurements["variance"] = "variance";
MetricMeasurements["mean"] = "mean";
MetricMeasurements["stddev"] = "stddev";
MetricMeasurements["median"] = "median";
MetricMeasurements["p75"] = "p75";
MetricMeasurements["p95"] = "p95";
MetricMeasurements["p99"] = "p99";
MetricMeasurements["p999"] = "p999";
})(MetricMeasurements = exports.MetricMeasurements || (exports.MetricMeasurements = {}));
class Metric {
}
exports.Metric = Metric;
class MetricBulk extends Metric {
}
exports.MetricBulk = MetricBulk;
class HistogramOptions extends Metric {
}
exports.HistogramOptions = HistogramOptions;
class MetricService {
constructor() {
this.metrics = new Map();
this.timer = null;
this.transport = null;
this.logger = Debug('axm:services:metrics');
}
init() {
this.transport = serviceManager_1.ServiceManager.get('transport');
if (this.transport === null)
return this.logger('Failed to init metrics service cause no transporter');
this.logger('init');
this.timer = setInterval(() => {
if (this.transport === null)
return this.logger('Abort metrics update since transport is not available');
this.logger('refreshing metrics value');
for (let metric of this.metrics.values()) {
metric.value = metric.handler();
}
this.logger('sending update metrics value to transporter');
const metricsToSend = Array.from(this.metrics.values())
.filter(metric => {
if (metric === null || metric === undefined)
return false;
if (metric.value === undefined || metric.value === null)
return false;
const isNumber = typeof metric.value === 'number';
const isString = typeof metric.value === 'string';
const isBoolean = typeof metric.value === 'boolean';
const isValidNumber = !isNaN(metric.value);
return isString || isBoolean || (isNumber && isValidNumber);
});
this.transport.setMetrics(metricsToSend);
}, constants_1.default.METRIC_INTERVAL);
this.timer.unref();
}
registerMetric(metric) {
if (typeof metric.name !== 'string') {
console.error(`Invalid metric name declared: ${metric.name}`);
return console.trace();
}
else if (typeof metric.type !== 'string') {
console.error(`Invalid metric type declared: ${metric.type}`);
return console.trace();
}
else if (typeof metric.handler !== 'function') {
console.error(`Invalid metric handler declared: ${metric.handler}`);
return console.trace();
}
if (typeof metric.historic !== 'boolean') {
metric.historic = true;
}
this.logger(`Registering new metric: ${metric.name}`);
this.metrics.set(metric.name, metric);
}
meter(opts) {
const metric = {
name: opts.name,
type: MetricType.meter,
id: opts.id,
historic: opts.historic,
implementation: new meter_1.default(opts),
unit: opts.unit,
handler: function () {
return this.implementation.isUsed() ? this.implementation.val() : NaN;
}
};
this.registerMetric(metric);
return metric.implementation;
}
counter(opts) {
const metric = {
name: opts.name,
type: MetricType.counter,
id: opts.id,
historic: opts.historic,
implementation: new counter_1.default(opts),
unit: opts.unit,
handler: function () {
return this.implementation.isUsed() ? this.implementation.val() : NaN;
}
};
this.registerMetric(metric);
return metric.implementation;
}
histogram(opts) {
if (opts.measurement === undefined || opts.measurement === null) {
opts.measurement = MetricMeasurements.mean;
}
const metric = {
name: opts.name,
type: MetricType.histogram,
id: opts.id,
historic: opts.historic,
implementation: new histogram_1.default(opts),
unit: opts.unit,
handler: function () {
return this.implementation.isUsed() ?
(Math.round(this.implementation.val() * 100) / 100) : NaN;
}
};
this.registerMetric(metric);
return metric.implementation;
}
metric(opts) {
let metric;
if (typeof opts.value === 'function') {
metric = {
name: opts.name,
type: MetricType.gauge,
id: opts.id,
implementation: undefined,
historic: opts.historic,
unit: opts.unit,
handler: opts.value
};
}
else {
metric = {
name: opts.name,
type: MetricType.gauge,
id: opts.id,
historic: opts.historic,
implementation: new gauge_1.default(),
unit: opts.unit,
handler: function () {
return this.implementation.isUsed() ? this.implementation.val() : NaN;
}
};
}
this.registerMetric(metric);
return metric.implementation;
}
deleteMetric(name) {
return this.metrics.delete(name);
}
destroy() {
if (this.timer !== null) {
clearInterval(this.timer);
}
this.metrics.clear();
}
}
exports.MetricService = MetricService;
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