142 lines
3.4 KiB
C#
142 lines
3.4 KiB
C#
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/*
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M2Mqtt - MQTT Client Library for .Net
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Copyright (c) 2014, Paolo Patierno, All rights reserved.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 3.0 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library.
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*/
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using System;
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using System.Text;
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namespace uPLibrary.Networking.M2Mqtt.Messages
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{
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/// <summary>
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/// Context for MQTT message
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/// </summary>
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public class MqttMsgContext
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{
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/// <summary>
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/// MQTT message
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/// </summary>
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public MqttMsgBase Message { get; set; }
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/// <summary>
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/// MQTT message state
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/// </summary>
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public MqttMsgState State { get; set; }
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/// <summary>
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/// Flow of the message
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/// </summary>
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public MqttMsgFlow Flow { get; set; }
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/// <summary>
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/// Timestamp in ticks (for retry)
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/// </summary>
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public int Timestamp { get; set; }
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/// <summary>
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/// Attempt (for retry)
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/// </summary>
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public int Attempt { get; set; }
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}
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/// <summary>
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/// Flow of the message
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/// </summary>
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public enum MqttMsgFlow
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{
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/// <summary>
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/// To publish to subscribers
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/// </summary>
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ToPublish,
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/// <summary>
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/// To acknowledge to publisher
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/// </summary>
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ToAcknowledge
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}
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/// <summary>
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/// MQTT message state
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/// </summary>
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public enum MqttMsgState
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{
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/// <summary>
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/// QOS = 0, Message queued
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/// </summary>
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QueuedQos0,
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/// <summary>
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/// QOS = 1, Message queued
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/// </summary>
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QueuedQos1,
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/// <summary>
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/// QOS = 2, Message queued
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/// </summary>
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QueuedQos2,
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/// <summary>
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/// QOS = 1, PUBLISH sent, wait for PUBACK
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/// </summary>
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WaitForPuback,
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/// <summary>
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/// QOS = 2, PUBLISH sent, wait for PUBREC
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/// </summary>
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WaitForPubrec,
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/// <summary>
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/// QOS = 2, PUBREC sent, wait for PUBREL
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/// </summary>
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WaitForPubrel,
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/// <summary>
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/// QOS = 2, PUBREL sent, wait for PUBCOMP
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/// </summary>
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WaitForPubcomp,
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/// <summary>
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/// QOS = 2, start first phase handshake send PUBREC
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/// </summary>
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SendPubrec,
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/// <summary>
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/// QOS = 2, start second phase handshake send PUBREL
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/// </summary>
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SendPubrel,
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/// <summary>
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/// QOS = 2, end second phase handshake send PUBCOMP
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/// </summary>
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SendPubcomp,
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/// <summary>
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/// QOS = 1, PUBLISH received, send PUBACK
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/// </summary>
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SendPuback,
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/// <summary>
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/// (QOS = 1), SUBSCRIBE sent, wait for SUBACK
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/// </summary>
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WaitForSuback,
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/// <summary>
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/// (QOS = 1), UNSUBSCRIBE sent, wait for UNSUBACK
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/// </summary>
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WaitForUnsuback
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}
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}
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