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1"use strict";2/*3 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.4 * SPDX-License-Identifier: Apache-2.0.5 */6Object.defineProperty(exports, "__esModule", { value: true });7exports.DEFAULT_RECONNECT_MIN_SEC = exports.DEFAULT_RECONNECT_MAX_SEC = exports.MqttWill = exports.QoS = void 0;8/**9 * Quality of service control for mqtt publish operations10 *11 * @category MQTT12 */13var QoS;14(function (QoS) {15    /**16     * QoS 0 - At most once delivery17     * The message is delivered according to the capabilities of the underlying network.18     * No response is sent by the receiver and no retry is performed by the sender.19     * The message arrives at the receiver either once or not at all.20     */21    QoS[QoS["AtMostOnce"] = 0] = "AtMostOnce";22    /**23     * QoS 1 - At least once delivery24     * This quality of service ensures that the message arrives at the receiver at least once.25     */26    QoS[QoS["AtLeastOnce"] = 1] = "AtLeastOnce";27    /**28     * QoS 2 - Exactly once delivery29 30     * This is the highest quality of service, for use when neither loss nor31     * duplication of messages are acceptable. There is an increased overhead32     * associated with this quality of service.33 34     * Note that, while this client supports QoS 2, the AWS IoT Core service35     * does not support QoS 2 at time of writing (May 2020).36     */37    QoS[QoS["ExactlyOnce"] = 2] = "ExactlyOnce";38})(QoS = exports.QoS || (exports.QoS = {}));39/**40 * A Will message is published by the server if a client is lost unexpectedly.41 *42 * The Will message is stored on the server when a client connects.43 * It is published if the client connection is lost without the server44 * receiving a DISCONNECT packet.45 *46 * [MQTT - 3.1.2 - 8]47 *48 * @category MQTT49 */50var MqttWill = /** @class */ (function () {51    function MqttWill(52    /** Topic to publish Will message on. */53    topic, 54    /** QoS used when publishing the Will message. */55    qos, 56    /** Content of Will message. */57    payload, 58    /** Whether the Will message is to be retained when it is published. */59    retain) {60        if (retain === void 0) { retain = false; }61        this.topic = topic;62        this.qos = qos;63        this.payload = payload;64        this.retain = retain;65    }66    return MqttWill;67}());68exports.MqttWill = MqttWill;69/**70 * Const value for max reconnection back off time71 *72 * @category MQTT73 */74exports.DEFAULT_RECONNECT_MAX_SEC = 128;75/**76 * Const value for min reconnection back off time77 *78 * @category MQTT79 */80exports.DEFAULT_RECONNECT_MIN_SEC = 1;81//# sourceMappingURL=mqtt.js.map