diffusion/src/internal/activity/connection-activity-monitor-factory.js

Diffusion JavaScript client

"use strict";
/**
 * @module Activity
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.connectionActivityMonitorFactory = void 0;
var connection_activity_monitor_1 = require("./../activity/connection-activity-monitor");
/**
 * The client will wait a maximum of two system ping periods for a ping from the
 * server before declaring the connection idle and closing it.
 */
var pingTimeoutFactor = 2;
/**
 * A {@link ConnectionActivityMonitor} that does nothing
 */
var noop = {
    onSystemPing: function () { },
    shutdown: function () { }
};
/**
 * Factory for connection activity monitors.
 *
 * @param connection the connection to be monitored
 * @param response   the new connection response
 */
function connectionActivityMonitorFactory(connection, response) {
    if (!response.systemPingPeriod || response.systemPingPeriod.isNegative() || response.systemPingPeriod.isZero()) {
        return noop;
    }
    var systemPingPeriod = response.systemPingPeriod.toNumber();
    var pingTimeout = systemPingPeriod * pingTimeoutFactor;
    return new connection_activity_monitor_1.ConnectionActivityMonitorImpl(pingTimeout, connection);
}
exports.connectionActivityMonitorFactory = connectionActivityMonitorFactory;