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@twilio/voice-sdk

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// @ts-nocheck import { EventEmitter } from 'events'; import Log from './log'; import request from './request'; /** * Builds Endpoint Analytics (EA) event payloads and sends them to * the EA server. * @constructor * @param {String} productName - Name of the product publishing events. * @param {String} token - The JWT token to use to authenticate with * the EA server. * @param {EventPublisher.Options} options * @property {Boolean} isEnabled - Whether or not this publisher is publishing * to the server. Currently ignores the request altogether, in the future this * may store them in case publishing is re-enabled later. Defaults to true. */ /** * @typedef {Object} EventPublisher.Options * @property {Object} [metadata=undefined] - A publisher_metadata object to send * with each payload. * @property {String} [host='eventgw.twilio.com'] - The host address of the EA * server to publish to. * @property {Object|Function} [defaultPayload] - A default payload to extend * when creating and sending event payloads. Also takes a function that * should return an object representing the default payload. This is * useful for fields that should always be present when they are * available, but are not always available. */ class EventPublisher extends EventEmitter { constructor(productName, token, options) { super(); if (!(this instanceof EventPublisher)) { return new EventPublisher(productName, token, options); } // Apply default options options = Object.assign({ defaultPayload() { return {}; } }, options); let defaultPayload = options.defaultPayload; if (typeof defaultPayload !== 'function') { defaultPayload = () => Object.assign({}, options.defaultPayload); } let isEnabled = true; const metadata = Object.assign({ app_name: undefined, app_version: undefined }, options.metadata); Object.defineProperties(this, { _defaultPayload: { value: defaultPayload }, _host: { value: options.host, writable: true }, _isEnabled: { get() { return isEnabled; }, set(_isEnabled) { isEnabled = _isEnabled; }, }, _log: { value: new Log('EventPublisher') }, _request: { value: options.request || request, writable: true }, _token: { value: token, writable: true }, isEnabled: { enumerable: true, get() { return isEnabled; }, }, metadata: { enumerable: true, get() { return metadata; }, }, productName: { enumerable: true, value: productName }, token: { enumerable: true, get() { return this._token; }, }, }); } } /** * Post to an EA server. * @private * @param {String} endpointName - Endpoint to post the event to * @param {String} level - ['debug', 'info', 'warning', 'error'] * @param {String} group - The name of the group the event belongs to. * @param {String} name - The designated event name. * @param {?Object} [payload=null] - The payload to pass. This will be extended * onto the default payload object, if one exists. * @param {?Connection} [connection=null] - The {@link Connection} which is posting this payload. * @param {?Boolean} [force=false] - Whether or not to send this even if * publishing is disabled. * @returns {Promise} Fulfilled if the HTTP response is 20x. */ EventPublisher.prototype._post = function _post(endpointName, level, group, name, payload, connection, force) { if ((!this.isEnabled && !force) || !this._host) { this._log.debug('Publishing cancelled', JSON.stringify({ isEnabled: this.isEnabled, force, host: this._host })); return Promise.resolve(); } if (!connection || ((!connection.parameters || !connection.parameters.CallSid) && !connection.outboundConnectionId)) { if (!connection) { this._log.debug('Publishing cancelled. Missing connection object'); } else { this._log.debug('Publishing cancelled. Missing connection info', JSON.stringify({ outboundConnectionId: connection.outboundConnectionId, parameters: connection.parameters, })); } return Promise.resolve(); } const event = { group, level: level.toUpperCase(), name, payload: (payload && payload.forEach) ? payload.slice(0) : Object.assign(this._defaultPayload(connection), payload), payload_type: 'application/json', private: false, publisher: this.productName, timestamp: (new Date()).toISOString(), }; if (this.metadata) { event.publisher_metadata = this.metadata; } if (endpointName === 'EndpointEvents') { this._log.debug('Publishing insights', JSON.stringify({ endpointName, event, force, host: this._host })); } const requestParams = { body: event, headers: { 'Content-Type': 'application/json', 'X-Twilio-Token': this.token, }, url: `https://${this._host}/v4/${endpointName}`, }; return new Promise((resolve, reject) => { this._request.post(requestParams, err => { if (err) { this.emit('error', err); reject(err); } else { resolve(); } }); }).catch(e => { this._log.error(`Unable to post ${group} ${name} event to Insights. Received error: ${e}`); }); }; /** * Post an event to the EA server. Use this method when the level * is dynamic. Otherwise, it's better practice to use the sugar * methods named for the specific level. * @param {String} level - ['debug', 'info', 'warning', 'error'] * @param {String} group - The name of the group the event belongs to. * @param {String} name - The designated event name. * @param {?Object} [payload=null] - The payload to pass. This will be extended * onto the default payload object, if one exists. * @param {?Connection} [connection=null] - The {@link Connection} which is posting this payload. * @returns {Promise} Fulfilled if the HTTP response is 20x. */ EventPublisher.prototype.post = function post(level, group, name, payload, connection, force) { return this._post('EndpointEvents', level, group, name, payload, connection, force); }; /** * Post a debug-level event to the EA server. * @param {String} group - The name of the group the event belongs to. * @param {String} name - The designated event name. * @param {?Object} [payload=null] - The payload to pass. This will be extended * onto the default payload object, if one exists. * @param {?Connection} [connection=null] - The {@link Connection} which is posting this payload. * @returns {Promise} Fulfilled if the HTTP response is 20x. */ EventPublisher.prototype.debug = function debug(group, name, payload, connection) { return this.post('debug', group, name, payload, connection); }; /** * Post an info-level event to the EA server. * @param {String} group - The name of the group the event belongs to. * @param {String} name - The designated event name. * @param {?Object} [payload=null] - The payload to pass. This will be extended * onto the default payload object, if one exists. * @param {?Connection} [connection=null] - The {@link Connection} which is posting this payload. * @returns {Promise} Fulfilled if the HTTP response is 20x. */ EventPublisher.prototype.info = function info(group, name, payload, connection) { return this.post('info', group, name, payload, connection); }; /** * Post a warning-level event to the EA server. * @param {String} group - The name of the group the event belongs to. * @param {String} name - The designated event name. * @param {?Object} [payload=null] - The payload to pass. This will be extended * onto the default payload object, if one exists. * @param {?Connection} [connection=null] - The {@link Connection} which is posting this payload. * @returns {Promise} Fulfilled if the HTTP response is 20x. */ EventPublisher.prototype.warn = function warn(group, name, payload, connection) { return this.post('warning', group, name, payload, connection); }; /** * Post an error-level event to the EA server. * @param {String} group - The name of the group the event belongs to. * @param {String} name - The designated event name. * @param {?Object} [payload=null] - The payload to pass. This will be extended * onto the default payload object, if one exists. * @param {?Connection} [connection=null] - The {@link Connection} which is posting this payload. * @returns {Promise} Fulfilled if the HTTP response is 20x. */ EventPublisher.prototype.error = function error(group, name, payload, connection) { return this.post('error', group, name, payload, connection); }; /** * Post a metrics event to the EA server. * @param {String} group - The name of the group the event belongs to. * @param {String} name - The designated event name. * @param {Array<Object>} metrics - The metrics to post. * @param {?Object} [customFields] - Custom fields to append to each payload. * @returns {Promise} Fulfilled if the HTTP response is 20x. */ EventPublisher.prototype.postMetrics = function postMetrics(group, name, metrics, customFields, connection) { return new Promise(resolve => { const samples = metrics .map(formatMetric) .map(sample => Object.assign(sample, customFields)); resolve(this._post('EndpointMetrics', 'info', group, name, samples, connection)); }); }; /** * Update the host address of the insights server to publish to. * @param {String} host - The new host address of the insights server. */ EventPublisher.prototype.setHost = function setHost(host) { this._host = host; }; /** * Update the token to use to authenticate requests. * @param {string} token * @returns {void} */ EventPublisher.prototype.setToken = function setToken(token) { this._token = token; }; /** * Enable the publishing of events. */ EventPublisher.prototype.enable = function enable() { this._isEnabled = true; }; /** * Disable the publishing of events. */ EventPublisher.prototype.disable = function disable() { this._isEnabled = false; }; function formatMetric(sample) { return { audio_codec: sample.codecName, audio_level_in: sample.audioInputLevel, audio_level_out: sample.audioOutputLevel, bytes_received: sample.bytesReceived, bytes_sent: sample.bytesSent, call_volume_input: sample.inputVolume, call_volume_output: sample.outputVolume, jitter: sample.jitter, mos: sample.mos && (Math.round(sample.mos * 100) / 100), packets_lost: sample.packetsLost, packets_lost_fraction: sample.packetsLostFraction && (Math.round(sample.packetsLostFraction * 100) / 100), packets_received: sample.packetsReceived, rtt: sample.rtt, timestamp: (new Date(sample.timestamp)).toISOString(), total_bytes_received: sample.totals.bytesReceived, total_bytes_sent: sample.totals.bytesSent, total_packets_lost: sample.totals.packetsLost, total_packets_received: sample.totals.packetsReceived, total_packets_sent: sample.totals.packetsSent, }; } export default EventPublisher; //# 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