Change a lot of stuff
This commit is contained in:
@@ -0,0 +1,275 @@
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/*
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Copyright (c) 2013, 2014 Paolo Patierno
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All rights reserved. This program and the accompanying materials
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are made available under the terms of the Eclipse Public License v1.0
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and Eclipse Distribution License v1.0 which accompany this distribution.
|
||||
|
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The Eclipse Public License is available at
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||||
http://www.eclipse.org/legal/epl-v10.html
|
||||
and the Eclipse Distribution License is available at
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http://www.eclipse.org/org/documents/edl-v10.php.
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Contributors:
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Paolo Patierno - initial API and implementation and/or initial documentation
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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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/// Base class for all MQTT messages
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/// </summary>
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public abstract class MqttMsgBase
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{
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#region Constants...
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// mask, offset and size for fixed header fields
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internal const byte MSG_TYPE_MASK = 0xF0;
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internal const byte MSG_TYPE_OFFSET = 0x04;
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internal const byte MSG_TYPE_SIZE = 0x04;
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internal const byte MSG_FLAG_BITS_MASK = 0x0F; // [v3.1.1]
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internal const byte MSG_FLAG_BITS_OFFSET = 0x00; // [v3.1.1]
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internal const byte MSG_FLAG_BITS_SIZE = 0x04; // [v3.1.1]
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internal const byte DUP_FLAG_MASK = 0x08;
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internal const byte DUP_FLAG_OFFSET = 0x03;
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internal const byte DUP_FLAG_SIZE = 0x01;
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internal const byte QOS_LEVEL_MASK = 0x06;
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internal const byte QOS_LEVEL_OFFSET = 0x01;
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internal const byte QOS_LEVEL_SIZE = 0x02;
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internal const byte RETAIN_FLAG_MASK = 0x01;
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internal const byte RETAIN_FLAG_OFFSET = 0x00;
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internal const byte RETAIN_FLAG_SIZE = 0x01;
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// MQTT message types
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internal const byte MQTT_MSG_CONNECT_TYPE = 0x01;
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internal const byte MQTT_MSG_CONNACK_TYPE = 0x02;
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internal const byte MQTT_MSG_PUBLISH_TYPE = 0x03;
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internal const byte MQTT_MSG_PUBACK_TYPE = 0x04;
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internal const byte MQTT_MSG_PUBREC_TYPE = 0x05;
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internal const byte MQTT_MSG_PUBREL_TYPE = 0x06;
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internal const byte MQTT_MSG_PUBCOMP_TYPE = 0x07;
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internal const byte MQTT_MSG_SUBSCRIBE_TYPE = 0x08;
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internal const byte MQTT_MSG_SUBACK_TYPE = 0x09;
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internal const byte MQTT_MSG_UNSUBSCRIBE_TYPE = 0x0A;
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internal const byte MQTT_MSG_UNSUBACK_TYPE = 0x0B;
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internal const byte MQTT_MSG_PINGREQ_TYPE = 0x0C;
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internal const byte MQTT_MSG_PINGRESP_TYPE = 0x0D;
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internal const byte MQTT_MSG_DISCONNECT_TYPE = 0x0E;
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// [v3.1.1] MQTT flag bits
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internal const byte MQTT_MSG_CONNECT_FLAG_BITS = 0x00;
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internal const byte MQTT_MSG_CONNACK_FLAG_BITS = 0x00;
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internal const byte MQTT_MSG_PUBLISH_FLAG_BITS = 0x00; // just defined as 0x00 but depends on publish props (dup, qos, retain)
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internal const byte MQTT_MSG_PUBACK_FLAG_BITS = 0x00;
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internal const byte MQTT_MSG_PUBREC_FLAG_BITS = 0x00;
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internal const byte MQTT_MSG_PUBREL_FLAG_BITS = 0x02;
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internal const byte MQTT_MSG_PUBCOMP_FLAG_BITS = 0x00;
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internal const byte MQTT_MSG_SUBSCRIBE_FLAG_BITS = 0x02;
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internal const byte MQTT_MSG_SUBACK_FLAG_BITS = 0x00;
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internal const byte MQTT_MSG_UNSUBSCRIBE_FLAG_BITS = 0x02;
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internal const byte MQTT_MSG_UNSUBACK_FLAG_BITS = 0x00;
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internal const byte MQTT_MSG_PINGREQ_FLAG_BITS = 0x00;
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internal const byte MQTT_MSG_PINGRESP_FLAG_BITS = 0x00;
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internal const byte MQTT_MSG_DISCONNECT_FLAG_BITS = 0x00;
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// QOS levels
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public const byte QOS_LEVEL_AT_MOST_ONCE = 0x00;
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public const byte QOS_LEVEL_AT_LEAST_ONCE = 0x01;
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public const byte QOS_LEVEL_EXACTLY_ONCE = 0x02;
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// SUBSCRIBE QoS level granted failure [v3.1.1]
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public const byte QOS_LEVEL_GRANTED_FAILURE = 0x80;
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internal const ushort MAX_TOPIC_LENGTH = 65535;
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internal const ushort MIN_TOPIC_LENGTH = 1;
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internal const byte MESSAGE_ID_SIZE = 2;
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#endregion
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#region Properties...
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/// <summary>
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/// Message type
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/// </summary>
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public byte Type
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{
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get { return this.type; }
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set { this.type = value; }
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}
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/// <summary>
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/// Duplicate message flag
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/// </summary>
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public bool DupFlag
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{
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get { return this.dupFlag; }
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set { this.dupFlag = value; }
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}
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/// <summary>
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/// Quality of Service level
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/// </summary>
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public byte QosLevel
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{
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get { return this.qosLevel; }
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set { this.qosLevel = value; }
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}
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/// <summary>
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/// Retain message flag
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/// </summary>
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public bool Retain
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{
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get { return this.retain; }
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set { this.retain = value; }
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}
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/// <summary>
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/// Message identifier for the message
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/// </summary>
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public ushort MessageId
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{
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get { return this.messageId; }
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set { this.messageId = value; }
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}
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#endregion
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// message type
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protected byte type;
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// duplicate delivery
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protected bool dupFlag;
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// quality of service level
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protected byte qosLevel;
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// retain flag
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protected bool retain;
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// message identifier
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protected ushort messageId;
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/// <summary>
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/// Returns message bytes rapresentation
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/// </summary>
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/// <param name="protocolVersion">Protocol version</param>
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/// <returns>Bytes rapresentation</returns>
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public abstract byte[] GetBytes(byte protocolVersion);
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/// <summary>
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/// Encode remaining length and insert it into message buffer
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/// </summary>
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/// <param name="remainingLength">Remaining length value to encode</param>
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/// <param name="buffer">Message buffer for inserting encoded value</param>
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/// <param name="index">Index from which insert encoded value into buffer</param>
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/// <returns>Index updated</returns>
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protected int encodeRemainingLength(int remainingLength, byte[] buffer, int index)
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{
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int digit = 0;
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do
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{
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digit = remainingLength % 128;
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remainingLength /= 128;
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if (remainingLength > 0)
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digit = digit | 0x80;
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buffer[index++] = (byte)digit;
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} while (remainingLength > 0);
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return index;
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}
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/// <summary>
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/// Decode remaining length reading bytes from socket
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/// </summary>
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/// <param name="channel">Channel from reading bytes</param>
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/// <returns>Decoded remaining length</returns>
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protected static int decodeRemainingLength(IMqttNetworkChannel channel)
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{
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int multiplier = 1;
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int value = 0;
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int digit = 0;
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byte[] nextByte = new byte[1];
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do
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{
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// next digit from stream
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channel.Receive(nextByte);
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digit = nextByte[0];
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value += ((digit & 127) * multiplier);
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multiplier *= 128;
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} while ((digit & 128) != 0);
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return value;
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}
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#if TRACE
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/// <summary>
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/// Returns a string representation of the message for tracing
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/// </summary>
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/// <param name="name">Message name</param>
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/// <param name="fieldNames">Message fields name</param>
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/// <param name="fieldValues">Message fields value</param>
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/// <returns>String representation of the message</returns>
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protected string GetTraceString(string name, object[] fieldNames, object[] fieldValues)
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{
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StringBuilder sb = new StringBuilder();
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sb.Append(name);
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if ((fieldNames != null) && (fieldValues != null))
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{
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sb.Append("(");
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bool addComma = false;
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for (int i = 0; i < fieldValues.Length; i++)
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{
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if (fieldValues[i] != null)
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{
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if (addComma)
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{
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sb.Append(",");
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}
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sb.Append(fieldNames[i]);
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sb.Append(":");
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sb.Append(GetStringObject(fieldValues[i]));
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addComma = true;
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}
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}
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sb.Append(")");
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}
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return sb.ToString();
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}
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object GetStringObject(object value)
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{
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byte[] binary = value as byte[];
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if (binary != null)
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{
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string hexChars = "0123456789ABCDEF";
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StringBuilder sb = new StringBuilder(binary.Length * 2);
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for (int i = 0; i < binary.Length; ++i)
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{
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sb.Append(hexChars[binary[i] >> 4]);
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sb.Append(hexChars[binary[i] & 0x0F]);
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}
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return sb.ToString();
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}
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object[] list = value as object[];
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if (list != null)
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{
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StringBuilder sb = new StringBuilder();
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sb.Append('[');
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for (int i = 0; i < list.Length; ++i)
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{
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if (i > 0) sb.Append(',');
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sb.Append(list[i]);
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}
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sb.Append(']');
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return sb.ToString();
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}
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return value;
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}
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#endif
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}
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}
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@@ -0,0 +1,191 @@
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/*
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Copyright (c) 2013, 2014 Paolo Patierno
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All rights reserved. This program and the accompanying materials
|
||||
are made available under the terms of the Eclipse Public License v1.0
|
||||
and Eclipse Distribution License v1.0 which accompany this distribution.
|
||||
|
||||
The Eclipse Public License is available at
|
||||
http://www.eclipse.org/legal/epl-v10.html
|
||||
and the Eclipse Distribution License is available at
|
||||
http://www.eclipse.org/org/documents/edl-v10.php.
|
||||
|
||||
Contributors:
|
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Paolo Patierno - initial API and implementation and/or initial documentation
|
||||
*/
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using System;
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using uPLibrary.Networking.M2Mqtt.Exceptions;
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namespace uPLibrary.Networking.M2Mqtt.Messages
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{
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/// <summary>
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/// Class for CONNACK message from broker to client
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/// </summary>
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public class MqttMsgConnack : MqttMsgBase
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{
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#region Constants...
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// return codes for CONNACK message
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public const byte CONN_ACCEPTED = 0x00;
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public const byte CONN_REFUSED_PROT_VERS = 0x01;
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public const byte CONN_REFUSED_IDENT_REJECTED = 0x02;
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public const byte CONN_REFUSED_SERVER_UNAVAILABLE = 0x03;
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public const byte CONN_REFUSED_USERNAME_PASSWORD = 0x04;
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public const byte CONN_REFUSED_NOT_AUTHORIZED = 0x05;
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private const byte TOPIC_NAME_COMP_RESP_BYTE_OFFSET = 0;
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private const byte TOPIC_NAME_COMP_RESP_BYTE_SIZE = 1;
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// [v3.1.1] connect acknowledge flags replace "old" topic name compression respone (not used in 3.1)
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private const byte CONN_ACK_FLAGS_BYTE_OFFSET = 0;
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private const byte CONN_ACK_FLAGS_BYTE_SIZE = 1;
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// [v3.1.1] session present flag
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private const byte SESSION_PRESENT_FLAG_MASK = 0x01;
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private const byte SESSION_PRESENT_FLAG_OFFSET = 0x00;
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private const byte SESSION_PRESENT_FLAG_SIZE = 0x01;
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private const byte CONN_RETURN_CODE_BYTE_OFFSET = 1;
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private const byte CONN_RETURN_CODE_BYTE_SIZE = 1;
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#endregion
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#region Properties...
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// [v3.1.1] session present flag
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/// <summary>
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/// Session present flag
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/// </summary>
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public bool SessionPresent
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{
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get { return this.sessionPresent; }
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set { this.sessionPresent = value; }
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}
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/// <summary>
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/// Return Code
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/// </summary>
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public byte ReturnCode
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{
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get { return this.returnCode; }
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set { this.returnCode = value; }
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}
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#endregion
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// [v3.1.1] session present flag
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private bool sessionPresent;
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// return code for CONNACK message
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private byte returnCode;
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/// <summary>
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/// Constructor
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/// </summary>
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public MqttMsgConnack()
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{
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this.type = MQTT_MSG_CONNACK_TYPE;
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}
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/// <summary>
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/// Parse bytes for a CONNACK message
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/// </summary>
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/// <param name="fixedHeaderFirstByte">First fixed header byte</param>
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/// <param name="protocolVersion">Protocol Version</param>
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/// <param name="channel">Channel connected to the broker</param>
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/// <returns>CONNACK message instance</returns>
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public static MqttMsgConnack Parse(byte fixedHeaderFirstByte, byte protocolVersion, IMqttNetworkChannel channel)
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{
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byte[] buffer;
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MqttMsgConnack msg = new MqttMsgConnack();
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if (protocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1_1)
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{
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// [v3.1.1] check flag bits
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if ((fixedHeaderFirstByte & MSG_FLAG_BITS_MASK) != MQTT_MSG_CONNACK_FLAG_BITS)
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throw new MqttClientException(MqttClientErrorCode.InvalidFlagBits);
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}
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// get remaining length and allocate buffer
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int remainingLength = MqttMsgBase.decodeRemainingLength(channel);
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buffer = new byte[remainingLength];
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|
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// read bytes from socket...
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channel.Receive(buffer);
|
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if (protocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1_1)
|
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{
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// [v3.1.1] ... set session present flag ...
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msg.sessionPresent = (buffer[CONN_ACK_FLAGS_BYTE_OFFSET] & SESSION_PRESENT_FLAG_MASK) != 0x00;
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}
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// ...and set return code from broker
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msg.returnCode = buffer[CONN_RETURN_CODE_BYTE_OFFSET];
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return msg;
|
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}
|
||||
|
||||
public override byte[] GetBytes(byte ProtocolVersion)
|
||||
{
|
||||
int fixedHeaderSize = 0;
|
||||
int varHeaderSize = 0;
|
||||
int payloadSize = 0;
|
||||
int remainingLength = 0;
|
||||
byte[] buffer;
|
||||
int index = 0;
|
||||
|
||||
if (ProtocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1_1)
|
||||
// flags byte and connect return code
|
||||
varHeaderSize += (CONN_ACK_FLAGS_BYTE_SIZE + CONN_RETURN_CODE_BYTE_SIZE);
|
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else
|
||||
// topic name compression response and connect return code
|
||||
varHeaderSize += (TOPIC_NAME_COMP_RESP_BYTE_SIZE + CONN_RETURN_CODE_BYTE_SIZE);
|
||||
|
||||
remainingLength += (varHeaderSize + payloadSize);
|
||||
|
||||
// first byte of fixed header
|
||||
fixedHeaderSize = 1;
|
||||
|
||||
int temp = remainingLength;
|
||||
// increase fixed header size based on remaining length
|
||||
// (each remaining length byte can encode until 128)
|
||||
do
|
||||
{
|
||||
fixedHeaderSize++;
|
||||
temp = temp / 128;
|
||||
} while (temp > 0);
|
||||
|
||||
// allocate buffer for message
|
||||
buffer = new byte[fixedHeaderSize + varHeaderSize + payloadSize];
|
||||
|
||||
// first fixed header byte
|
||||
if (ProtocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1_1)
|
||||
buffer[index++] = (MQTT_MSG_CONNACK_TYPE << MSG_TYPE_OFFSET) | MQTT_MSG_CONNACK_FLAG_BITS; // [v.3.1.1]
|
||||
else
|
||||
buffer[index++] = (byte)(MQTT_MSG_CONNACK_TYPE << MSG_TYPE_OFFSET);
|
||||
|
||||
// encode remaining length
|
||||
index = this.encodeRemainingLength(remainingLength, buffer, index);
|
||||
|
||||
if (ProtocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1_1)
|
||||
// [v3.1.1] session present flag
|
||||
buffer[index++] = this.sessionPresent ? (byte)(1 << SESSION_PRESENT_FLAG_OFFSET) : (byte)0x00;
|
||||
else
|
||||
// topic name compression response (reserved values. not used);
|
||||
buffer[index++] = 0x00;
|
||||
|
||||
// connect return code
|
||||
buffer[index++] = this.returnCode;
|
||||
|
||||
return buffer;
|
||||
}
|
||||
|
||||
public override string ToString()
|
||||
{
|
||||
#if TRACE
|
||||
return this.GetTraceString(
|
||||
"CONNACK",
|
||||
new object[] { "returnCode" },
|
||||
new object[] { this.returnCode });
|
||||
#else
|
||||
return base.ToString();
|
||||
#endif
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,582 @@
|
||||
/*
|
||||
Copyright (c) 2013, 2014 Paolo Patierno
|
||||
|
||||
All rights reserved. This program and the accompanying materials
|
||||
are made available under the terms of the Eclipse Public License v1.0
|
||||
and Eclipse Distribution License v1.0 which accompany this distribution.
|
||||
|
||||
The Eclipse Public License is available at
|
||||
http://www.eclipse.org/legal/epl-v10.html
|
||||
and the Eclipse Distribution License is available at
|
||||
http://www.eclipse.org/org/documents/edl-v10.php.
|
||||
|
||||
Contributors:
|
||||
Paolo Patierno - initial API and implementation and/or initial documentation
|
||||
*/
|
||||
|
||||
using System;
|
||||
using System.Text;
|
||||
using uPLibrary.Networking.M2Mqtt.Exceptions;
|
||||
|
||||
namespace uPLibrary.Networking.M2Mqtt.Messages
|
||||
{
|
||||
/// <summary>
|
||||
/// Class for CONNECT message from client to broker
|
||||
/// </summary>
|
||||
public class MqttMsgConnect : MqttMsgBase
|
||||
{
|
||||
#region Constants...
|
||||
|
||||
// protocol name supported
|
||||
internal const string PROTOCOL_NAME_V3_1 = "MQIsdp";
|
||||
internal const string PROTOCOL_NAME_V3_1_1 = "MQTT"; // [v.3.1.1]
|
||||
|
||||
// max length for client id (removed in 3.1.1)
|
||||
internal const int CLIENT_ID_MAX_LENGTH = 23;
|
||||
|
||||
// variable header fields
|
||||
internal const byte PROTOCOL_NAME_LEN_SIZE = 2;
|
||||
internal const byte PROTOCOL_NAME_V3_1_SIZE = 6;
|
||||
internal const byte PROTOCOL_NAME_V3_1_1_SIZE = 4; // [v.3.1.1]
|
||||
internal const byte PROTOCOL_VERSION_SIZE = 1;
|
||||
internal const byte CONNECT_FLAGS_SIZE = 1;
|
||||
internal const byte KEEP_ALIVE_TIME_SIZE = 2;
|
||||
|
||||
internal const byte PROTOCOL_VERSION_V3_1 = 0x03;
|
||||
internal const byte PROTOCOL_VERSION_V3_1_1 = 0x04; // [v.3.1.1]
|
||||
internal const ushort KEEP_ALIVE_PERIOD_DEFAULT = 60; // seconds
|
||||
internal const ushort MAX_KEEP_ALIVE = 65535; // 16 bit
|
||||
|
||||
// connect flags
|
||||
internal const byte USERNAME_FLAG_MASK = 0x80;
|
||||
internal const byte USERNAME_FLAG_OFFSET = 0x07;
|
||||
internal const byte USERNAME_FLAG_SIZE = 0x01;
|
||||
internal const byte PASSWORD_FLAG_MASK = 0x40;
|
||||
internal const byte PASSWORD_FLAG_OFFSET = 0x06;
|
||||
internal const byte PASSWORD_FLAG_SIZE = 0x01;
|
||||
internal const byte WILL_RETAIN_FLAG_MASK = 0x20;
|
||||
internal const byte WILL_RETAIN_FLAG_OFFSET = 0x05;
|
||||
internal const byte WILL_RETAIN_FLAG_SIZE = 0x01;
|
||||
internal const byte WILL_QOS_FLAG_MASK = 0x18;
|
||||
internal const byte WILL_QOS_FLAG_OFFSET = 0x03;
|
||||
internal const byte WILL_QOS_FLAG_SIZE = 0x02;
|
||||
internal const byte WILL_FLAG_MASK = 0x04;
|
||||
internal const byte WILL_FLAG_OFFSET = 0x02;
|
||||
internal const byte WILL_FLAG_SIZE = 0x01;
|
||||
internal const byte CLEAN_SESSION_FLAG_MASK = 0x02;
|
||||
internal const byte CLEAN_SESSION_FLAG_OFFSET = 0x01;
|
||||
internal const byte CLEAN_SESSION_FLAG_SIZE = 0x01;
|
||||
// [v.3.1.1] lsb (reserved) must be now 0
|
||||
internal const byte RESERVED_FLAG_MASK = 0x01;
|
||||
internal const byte RESERVED_FLAG_OFFSET = 0x00;
|
||||
internal const byte RESERVED_FLAG_SIZE = 0x01;
|
||||
|
||||
#endregion
|
||||
|
||||
#region Properties...
|
||||
|
||||
/// <summary>
|
||||
/// Protocol name
|
||||
/// </summary>
|
||||
public string ProtocolName
|
||||
{
|
||||
get { return this.protocolName; }
|
||||
set { this.protocolName = value; }
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Protocol version
|
||||
/// </summary>
|
||||
public byte ProtocolVersion
|
||||
{
|
||||
get { return this.protocolVersion; }
|
||||
set { this.protocolVersion = value; }
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Client identifier
|
||||
/// </summary>
|
||||
public string ClientId
|
||||
{
|
||||
get { return this.clientId; }
|
||||
set { this.clientId = value; }
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Will retain flag
|
||||
/// </summary>
|
||||
public bool WillRetain
|
||||
{
|
||||
get { return this.willRetain; }
|
||||
set { this.willRetain = value; }
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Will QOS level
|
||||
/// </summary>
|
||||
public byte WillQosLevel
|
||||
{
|
||||
get { return this.willQosLevel; }
|
||||
set { this.willQosLevel = value; }
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Will flag
|
||||
/// </summary>
|
||||
public bool WillFlag
|
||||
{
|
||||
get { return this.willFlag; }
|
||||
set { this.willFlag = value; }
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Will topic
|
||||
/// </summary>
|
||||
public string WillTopic
|
||||
{
|
||||
get { return this.willTopic; }
|
||||
set { this.willTopic = value; }
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Will message
|
||||
/// </summary>
|
||||
public string WillMessage
|
||||
{
|
||||
get { return this.willMessage; }
|
||||
set { this.willMessage = value; }
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Username
|
||||
/// </summary>
|
||||
public string Username
|
||||
{
|
||||
get { return this.username; }
|
||||
set { this.username = value; }
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Password
|
||||
/// </summary>
|
||||
public string Password
|
||||
{
|
||||
get { return this.password; }
|
||||
set { this.password = value; }
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Clean session flag
|
||||
/// </summary>
|
||||
public bool CleanSession
|
||||
{
|
||||
get { return this.cleanSession; }
|
||||
set { this.cleanSession = value; }
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Keep alive period
|
||||
/// </summary>
|
||||
public ushort KeepAlivePeriod
|
||||
{
|
||||
get { return this.keepAlivePeriod; }
|
||||
set { this.keepAlivePeriod = value; }
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
// protocol name
|
||||
private string protocolName;
|
||||
// protocol version
|
||||
private byte protocolVersion;
|
||||
// client identifier
|
||||
private string clientId;
|
||||
// will retain flag
|
||||
protected bool willRetain;
|
||||
// will quality of service level
|
||||
protected byte willQosLevel;
|
||||
// will flag
|
||||
private bool willFlag;
|
||||
// will topic
|
||||
private string willTopic;
|
||||
// will message
|
||||
private string willMessage;
|
||||
// username
|
||||
private string username;
|
||||
// password
|
||||
private string password;
|
||||
// clean session flag
|
||||
private bool cleanSession;
|
||||
// keep alive period (in sec)
|
||||
private ushort keepAlivePeriod;
|
||||
|
||||
/// <summary>
|
||||
/// Constructor
|
||||
/// </summary>
|
||||
public MqttMsgConnect()
|
||||
{
|
||||
this.type = MQTT_MSG_CONNECT_TYPE;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Constructor
|
||||
/// </summary>
|
||||
/// <param name="clientId">Client identifier</param>
|
||||
public MqttMsgConnect(string clientId) :
|
||||
this(clientId, null, null, false, QOS_LEVEL_AT_LEAST_ONCE, false, null, null, true, KEEP_ALIVE_PERIOD_DEFAULT, PROTOCOL_VERSION_V3_1_1)
|
||||
{
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Constructor
|
||||
/// </summary>
|
||||
/// <param name="clientId">Client identifier</param>
|
||||
/// <param name="username">Username</param>
|
||||
/// <param name="password">Password</param>
|
||||
/// <param name="willRetain">Will retain flag</param>
|
||||
/// <param name="willQosLevel">Will QOS level</param>
|
||||
/// <param name="willFlag">Will flag</param>
|
||||
/// <param name="willTopic">Will topic</param>
|
||||
/// <param name="willMessage">Will message</param>
|
||||
/// <param name="cleanSession">Clean sessione flag</param>
|
||||
/// <param name="keepAlivePeriod">Keep alive period</param>
|
||||
/// <param name="protocolVersion">Protocol version</param>
|
||||
public MqttMsgConnect(string clientId,
|
||||
string username,
|
||||
string password,
|
||||
bool willRetain,
|
||||
byte willQosLevel,
|
||||
bool willFlag,
|
||||
string willTopic,
|
||||
string willMessage,
|
||||
bool cleanSession,
|
||||
ushort keepAlivePeriod,
|
||||
byte protocolVersion
|
||||
)
|
||||
{
|
||||
this.type = MQTT_MSG_CONNECT_TYPE;
|
||||
|
||||
this.clientId = clientId;
|
||||
this.username = username;
|
||||
this.password = password;
|
||||
this.willRetain = willRetain;
|
||||
this.willQosLevel = willQosLevel;
|
||||
this.willFlag = willFlag;
|
||||
this.willTopic = willTopic;
|
||||
this.willMessage = willMessage;
|
||||
this.cleanSession = cleanSession;
|
||||
this.keepAlivePeriod = keepAlivePeriod;
|
||||
// [v.3.1.1] added new protocol name and version
|
||||
this.protocolVersion = protocolVersion;
|
||||
this.protocolName = (this.protocolVersion == PROTOCOL_VERSION_V3_1_1) ? PROTOCOL_NAME_V3_1_1 : PROTOCOL_NAME_V3_1;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Parse bytes for a CONNECT message
|
||||
/// </summary>
|
||||
/// <param name="fixedHeaderFirstByte">First fixed header byte</param>
|
||||
/// <param name="protocolVersion">Protocol Version</param>
|
||||
/// <param name="channel">Channel connected to the broker</param>
|
||||
/// <returns>CONNECT message instance</returns>
|
||||
public static MqttMsgConnect Parse(byte fixedHeaderFirstByte, byte protocolVersion, IMqttNetworkChannel channel)
|
||||
{
|
||||
byte[] buffer;
|
||||
int index = 0;
|
||||
int protNameUtf8Length;
|
||||
byte[] protNameUtf8;
|
||||
bool isUsernameFlag;
|
||||
bool isPasswordFlag;
|
||||
int clientIdUtf8Length;
|
||||
byte[] clientIdUtf8;
|
||||
int willTopicUtf8Length;
|
||||
byte[] willTopicUtf8;
|
||||
int willMessageUtf8Length;
|
||||
byte[] willMessageUtf8;
|
||||
int usernameUtf8Length;
|
||||
byte[] usernameUtf8;
|
||||
int passwordUtf8Length;
|
||||
byte[] passwordUtf8;
|
||||
MqttMsgConnect msg = new MqttMsgConnect();
|
||||
|
||||
// get remaining length and allocate buffer
|
||||
int remainingLength = MqttMsgBase.decodeRemainingLength(channel);
|
||||
buffer = new byte[remainingLength];
|
||||
|
||||
// read bytes from socket...
|
||||
channel.Receive(buffer);
|
||||
|
||||
// protocol name
|
||||
protNameUtf8Length = ((buffer[index++] << 8) & 0xFF00);
|
||||
protNameUtf8Length |= buffer[index++];
|
||||
protNameUtf8 = new byte[protNameUtf8Length];
|
||||
Array.Copy(buffer, index, protNameUtf8, 0, protNameUtf8Length);
|
||||
index += protNameUtf8Length;
|
||||
msg.protocolName = new String(Encoding.UTF8.GetChars(protNameUtf8));
|
||||
|
||||
// [v3.1.1] wrong protocol name
|
||||
if (!msg.protocolName.Equals(PROTOCOL_NAME_V3_1) && !msg.protocolName.Equals(PROTOCOL_NAME_V3_1_1))
|
||||
throw new MqttClientException(MqttClientErrorCode.InvalidProtocolName);
|
||||
|
||||
// protocol version
|
||||
msg.protocolVersion = buffer[index];
|
||||
index += PROTOCOL_VERSION_SIZE;
|
||||
|
||||
// connect flags
|
||||
// [v3.1.1] check lsb (reserved) must be 0
|
||||
if ((msg.protocolVersion == PROTOCOL_VERSION_V3_1_1) &&
|
||||
((buffer[index] & RESERVED_FLAG_MASK) != 0x00))
|
||||
throw new MqttClientException(MqttClientErrorCode.InvalidConnectFlags);
|
||||
|
||||
isUsernameFlag = (buffer[index] & USERNAME_FLAG_MASK) != 0x00;
|
||||
isPasswordFlag = (buffer[index] & PASSWORD_FLAG_MASK) != 0x00;
|
||||
msg.willRetain = (buffer[index] & WILL_RETAIN_FLAG_MASK) != 0x00;
|
||||
msg.willQosLevel = (byte)((buffer[index] & WILL_QOS_FLAG_MASK) >> WILL_QOS_FLAG_OFFSET);
|
||||
msg.willFlag = (buffer[index] & WILL_FLAG_MASK) != 0x00;
|
||||
msg.cleanSession = (buffer[index] & CLEAN_SESSION_FLAG_MASK) != 0x00;
|
||||
index += CONNECT_FLAGS_SIZE;
|
||||
|
||||
// keep alive timer
|
||||
msg.keepAlivePeriod = (ushort)((buffer[index++] << 8) & 0xFF00);
|
||||
msg.keepAlivePeriod |= buffer[index++];
|
||||
|
||||
// client identifier [v3.1.1] it may be zero bytes long (empty string)
|
||||
clientIdUtf8Length = ((buffer[index++] << 8) & 0xFF00);
|
||||
clientIdUtf8Length |= buffer[index++];
|
||||
clientIdUtf8 = new byte[clientIdUtf8Length];
|
||||
Array.Copy(buffer, index, clientIdUtf8, 0, clientIdUtf8Length);
|
||||
index += clientIdUtf8Length;
|
||||
msg.clientId = new String(Encoding.UTF8.GetChars(clientIdUtf8));
|
||||
// [v3.1.1] if client identifier is zero bytes long, clean session must be true
|
||||
if ((msg.protocolVersion == PROTOCOL_VERSION_V3_1_1) && (clientIdUtf8Length == 0) && (!msg.cleanSession))
|
||||
throw new MqttClientException(MqttClientErrorCode.InvalidClientId);
|
||||
|
||||
// will topic and will message
|
||||
if (msg.willFlag)
|
||||
{
|
||||
willTopicUtf8Length = ((buffer[index++] << 8) & 0xFF00);
|
||||
willTopicUtf8Length |= buffer[index++];
|
||||
willTopicUtf8 = new byte[willTopicUtf8Length];
|
||||
Array.Copy(buffer, index, willTopicUtf8, 0, willTopicUtf8Length);
|
||||
index += willTopicUtf8Length;
|
||||
msg.willTopic = new String(Encoding.UTF8.GetChars(willTopicUtf8));
|
||||
|
||||
willMessageUtf8Length = ((buffer[index++] << 8) & 0xFF00);
|
||||
willMessageUtf8Length |= buffer[index++];
|
||||
willMessageUtf8 = new byte[willMessageUtf8Length];
|
||||
Array.Copy(buffer, index, willMessageUtf8, 0, willMessageUtf8Length);
|
||||
index += willMessageUtf8Length;
|
||||
msg.willMessage = new String(Encoding.UTF8.GetChars(willMessageUtf8));
|
||||
}
|
||||
|
||||
// username
|
||||
if (isUsernameFlag)
|
||||
{
|
||||
usernameUtf8Length = ((buffer[index++] << 8) & 0xFF00);
|
||||
usernameUtf8Length |= buffer[index++];
|
||||
usernameUtf8 = new byte[usernameUtf8Length];
|
||||
Array.Copy(buffer, index, usernameUtf8, 0, usernameUtf8Length);
|
||||
index += usernameUtf8Length;
|
||||
msg.username = new String(Encoding.UTF8.GetChars(usernameUtf8));
|
||||
}
|
||||
|
||||
// password
|
||||
if (isPasswordFlag)
|
||||
{
|
||||
passwordUtf8Length = ((buffer[index++] << 8) & 0xFF00);
|
||||
passwordUtf8Length |= buffer[index++];
|
||||
passwordUtf8 = new byte[passwordUtf8Length];
|
||||
Array.Copy(buffer, index, passwordUtf8, 0, passwordUtf8Length);
|
||||
index += passwordUtf8Length;
|
||||
msg.password = new String(Encoding.UTF8.GetChars(passwordUtf8));
|
||||
}
|
||||
|
||||
return msg;
|
||||
}
|
||||
|
||||
public override byte[] GetBytes(byte protocolVersion)
|
||||
{
|
||||
int fixedHeaderSize = 0;
|
||||
int varHeaderSize = 0;
|
||||
int payloadSize = 0;
|
||||
int remainingLength = 0;
|
||||
byte[] buffer;
|
||||
int index = 0;
|
||||
|
||||
byte[] clientIdUtf8 = Encoding.UTF8.GetBytes(this.clientId);
|
||||
byte[] willTopicUtf8 = (this.willFlag && (this.willTopic != null)) ? Encoding.UTF8.GetBytes(this.willTopic) : null;
|
||||
byte[] willMessageUtf8 = (this.willFlag && (this.willMessage != null)) ? Encoding.UTF8.GetBytes(this.willMessage) : null;
|
||||
byte[] usernameUtf8 = ((this.username != null) && (this.username.Length > 0)) ? Encoding.UTF8.GetBytes(this.username) : null;
|
||||
byte[] passwordUtf8 = ((this.password != null) && (this.password.Length > 0)) ? Encoding.UTF8.GetBytes(this.password) : null;
|
||||
|
||||
// [v3.1.1]
|
||||
if (this.protocolVersion == PROTOCOL_VERSION_V3_1_1)
|
||||
{
|
||||
// will flag set, will topic and will message MUST be present
|
||||
if (this.willFlag && ((this.willQosLevel >= 0x03) ||
|
||||
(willTopicUtf8 == null) || (willMessageUtf8 == null) ||
|
||||
((willTopicUtf8 != null) && (willTopicUtf8.Length == 0)) ||
|
||||
((willMessageUtf8 != null) && (willMessageUtf8.Length == 0))))
|
||||
throw new MqttClientException(MqttClientErrorCode.WillWrong);
|
||||
// willflag not set, retain must be 0 and will topic and message MUST NOT be present
|
||||
else if (!this.willFlag && ((this.willRetain) ||
|
||||
(willTopicUtf8 != null) || (willMessageUtf8 != null) ||
|
||||
((willTopicUtf8 != null) && (willTopicUtf8.Length != 0)) ||
|
||||
((willMessageUtf8 != null) && (willMessageUtf8.Length != 0))))
|
||||
throw new MqttClientException(MqttClientErrorCode.WillWrong);
|
||||
}
|
||||
|
||||
if (this.keepAlivePeriod > MAX_KEEP_ALIVE)
|
||||
throw new MqttClientException(MqttClientErrorCode.KeepAliveWrong);
|
||||
|
||||
// check on will QoS Level
|
||||
if ((this.willQosLevel < MqttMsgBase.QOS_LEVEL_AT_MOST_ONCE) ||
|
||||
(this.willQosLevel > MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE))
|
||||
throw new MqttClientException(MqttClientErrorCode.WillWrong);
|
||||
|
||||
// protocol name field size
|
||||
// MQTT version 3.1
|
||||
if (this.protocolVersion == PROTOCOL_VERSION_V3_1)
|
||||
{
|
||||
varHeaderSize += (PROTOCOL_NAME_LEN_SIZE + PROTOCOL_NAME_V3_1_SIZE);
|
||||
}
|
||||
// MQTT version 3.1.1
|
||||
else
|
||||
{
|
||||
varHeaderSize += (PROTOCOL_NAME_LEN_SIZE + PROTOCOL_NAME_V3_1_1_SIZE);
|
||||
}
|
||||
// protocol level field size
|
||||
varHeaderSize += PROTOCOL_VERSION_SIZE;
|
||||
// connect flags field size
|
||||
varHeaderSize += CONNECT_FLAGS_SIZE;
|
||||
// keep alive timer field size
|
||||
varHeaderSize += KEEP_ALIVE_TIME_SIZE;
|
||||
|
||||
// client identifier field size
|
||||
payloadSize += clientIdUtf8.Length + 2;
|
||||
// will topic field size
|
||||
payloadSize += (willTopicUtf8 != null) ? (willTopicUtf8.Length + 2) : 0;
|
||||
// will message field size
|
||||
payloadSize += (willMessageUtf8 != null) ? (willMessageUtf8.Length + 2) : 0;
|
||||
// username field size
|
||||
payloadSize += (usernameUtf8 != null) ? (usernameUtf8.Length + 2) : 0;
|
||||
// password field size
|
||||
payloadSize += (passwordUtf8 != null) ? (passwordUtf8.Length + 2) : 0;
|
||||
|
||||
remainingLength += (varHeaderSize + payloadSize);
|
||||
|
||||
// first byte of fixed header
|
||||
fixedHeaderSize = 1;
|
||||
|
||||
int temp = remainingLength;
|
||||
// increase fixed header size based on remaining length
|
||||
// (each remaining length byte can encode until 128)
|
||||
do
|
||||
{
|
||||
fixedHeaderSize++;
|
||||
temp = temp / 128;
|
||||
} while (temp > 0);
|
||||
|
||||
// allocate buffer for message
|
||||
buffer = new byte[fixedHeaderSize + varHeaderSize + payloadSize];
|
||||
|
||||
// first fixed header byte
|
||||
buffer[index++] = (MQTT_MSG_CONNECT_TYPE << MSG_TYPE_OFFSET) | MQTT_MSG_CONNECT_FLAG_BITS; // [v.3.1.1]
|
||||
|
||||
// encode remaining length
|
||||
index = this.encodeRemainingLength(remainingLength, buffer, index);
|
||||
|
||||
// protocol name
|
||||
buffer[index++] = 0; // MSB protocol name size
|
||||
// MQTT version 3.1
|
||||
if (this.protocolVersion == PROTOCOL_VERSION_V3_1)
|
||||
{
|
||||
buffer[index++] = PROTOCOL_NAME_V3_1_SIZE; // LSB protocol name size
|
||||
Array.Copy(Encoding.UTF8.GetBytes(PROTOCOL_NAME_V3_1), 0, buffer, index, PROTOCOL_NAME_V3_1_SIZE);
|
||||
index += PROTOCOL_NAME_V3_1_SIZE;
|
||||
// protocol version
|
||||
buffer[index++] = PROTOCOL_VERSION_V3_1;
|
||||
}
|
||||
// MQTT version 3.1.1
|
||||
else
|
||||
{
|
||||
buffer[index++] = PROTOCOL_NAME_V3_1_1_SIZE; // LSB protocol name size
|
||||
Array.Copy(Encoding.UTF8.GetBytes(PROTOCOL_NAME_V3_1_1), 0, buffer, index, PROTOCOL_NAME_V3_1_1_SIZE);
|
||||
index += PROTOCOL_NAME_V3_1_1_SIZE;
|
||||
// protocol version
|
||||
buffer[index++] = PROTOCOL_VERSION_V3_1_1;
|
||||
}
|
||||
|
||||
// connect flags
|
||||
byte connectFlags = 0x00;
|
||||
connectFlags |= (usernameUtf8 != null) ? (byte)(1 << USERNAME_FLAG_OFFSET) : (byte)0x00;
|
||||
connectFlags |= (passwordUtf8 != null) ? (byte)(1 << PASSWORD_FLAG_OFFSET) : (byte)0x00;
|
||||
connectFlags |= (this.willRetain) ? (byte)(1 << WILL_RETAIN_FLAG_OFFSET) : (byte)0x00;
|
||||
// only if will flag is set, we have to use will QoS level (otherwise is MUST be 0)
|
||||
if (this.willFlag)
|
||||
connectFlags |= (byte)(this.willQosLevel << WILL_QOS_FLAG_OFFSET);
|
||||
connectFlags |= (this.willFlag) ? (byte)(1 << WILL_FLAG_OFFSET) : (byte)0x00;
|
||||
connectFlags |= (this.cleanSession) ? (byte)(1 << CLEAN_SESSION_FLAG_OFFSET) : (byte)0x00;
|
||||
buffer[index++] = connectFlags;
|
||||
|
||||
// keep alive period
|
||||
buffer[index++] = (byte)((this.keepAlivePeriod >> 8) & 0x00FF); // MSB
|
||||
buffer[index++] = (byte)(this.keepAlivePeriod & 0x00FF); // LSB
|
||||
|
||||
// client identifier
|
||||
buffer[index++] = (byte)((clientIdUtf8.Length >> 8) & 0x00FF); // MSB
|
||||
buffer[index++] = (byte)(clientIdUtf8.Length & 0x00FF); // LSB
|
||||
Array.Copy(clientIdUtf8, 0, buffer, index, clientIdUtf8.Length);
|
||||
index += clientIdUtf8.Length;
|
||||
|
||||
// will topic
|
||||
if (this.willFlag && (willTopicUtf8 != null))
|
||||
{
|
||||
buffer[index++] = (byte)((willTopicUtf8.Length >> 8) & 0x00FF); // MSB
|
||||
buffer[index++] = (byte)(willTopicUtf8.Length & 0x00FF); // LSB
|
||||
Array.Copy(willTopicUtf8, 0, buffer, index, willTopicUtf8.Length);
|
||||
index += willTopicUtf8.Length;
|
||||
}
|
||||
|
||||
// will message
|
||||
if (this.willFlag && (willMessageUtf8 != null))
|
||||
{
|
||||
buffer[index++] = (byte)((willMessageUtf8.Length >> 8) & 0x00FF); // MSB
|
||||
buffer[index++] = (byte)(willMessageUtf8.Length & 0x00FF); // LSB
|
||||
Array.Copy(willMessageUtf8, 0, buffer, index, willMessageUtf8.Length);
|
||||
index += willMessageUtf8.Length;
|
||||
}
|
||||
|
||||
// username
|
||||
if (usernameUtf8 != null)
|
||||
{
|
||||
buffer[index++] = (byte)((usernameUtf8.Length >> 8) & 0x00FF); // MSB
|
||||
buffer[index++] = (byte)(usernameUtf8.Length & 0x00FF); // LSB
|
||||
Array.Copy(usernameUtf8, 0, buffer, index, usernameUtf8.Length);
|
||||
index += usernameUtf8.Length;
|
||||
}
|
||||
|
||||
// password
|
||||
if (passwordUtf8 != null)
|
||||
{
|
||||
buffer[index++] = (byte)((passwordUtf8.Length >> 8) & 0x00FF); // MSB
|
||||
buffer[index++] = (byte)(passwordUtf8.Length & 0x00FF); // LSB
|
||||
Array.Copy(passwordUtf8, 0, buffer, index, passwordUtf8.Length);
|
||||
index += passwordUtf8.Length;
|
||||
}
|
||||
|
||||
return buffer;
|
||||
}
|
||||
|
||||
public override string ToString()
|
||||
{
|
||||
#if TRACE
|
||||
return this.GetTraceString(
|
||||
"CONNECT",
|
||||
new object[] { "protocolName", "protocolVersion", "clientId", "willFlag", "willRetain", "willQosLevel", "willTopic", "willMessage", "username", "password", "cleanSession", "keepAlivePeriod" },
|
||||
new object[] { this.protocolName, this.protocolVersion, this.clientId, this.willFlag, this.willRetain, this.willQosLevel, this.willTopic, this.willMessage, this.username, this.password, this.cleanSession, this.keepAlivePeriod });
|
||||
#else
|
||||
return base.ToString();
|
||||
#endif
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,44 @@
|
||||
/*
|
||||
Copyright (c) 2013, 2014 Paolo Patierno
|
||||
|
||||
All rights reserved. This program and the accompanying materials
|
||||
are made available under the terms of the Eclipse Public License v1.0
|
||||
and Eclipse Distribution License v1.0 which accompany this distribution.
|
||||
|
||||
The Eclipse Public License is available at
|
||||
http://www.eclipse.org/legal/epl-v10.html
|
||||
and the Eclipse Distribution License is available at
|
||||
http://www.eclipse.org/org/documents/edl-v10.php.
|
||||
|
||||
Contributors:
|
||||
Paolo Patierno - initial API and implementation and/or initial documentation
|
||||
*/
|
||||
|
||||
#if (!MF_FRAMEWORK_VERSION_V4_2 && !MF_FRAMEWORK_VERSION_V4_3)
|
||||
using System;
|
||||
#else
|
||||
using Microsoft.SPOT;
|
||||
#endif
|
||||
|
||||
namespace uPLibrary.Networking.M2Mqtt.Messages
|
||||
{
|
||||
/// <summary>
|
||||
/// Event Args class for CONNECT message received from client
|
||||
/// </summary>
|
||||
public class MqttMsgConnectEventArgs : EventArgs
|
||||
{
|
||||
/// <summary>
|
||||
/// Message received from client
|
||||
/// </summary>
|
||||
public MqttMsgConnect Message { get; private set; }
|
||||
|
||||
/// <summary>
|
||||
/// Constructor
|
||||
/// </summary>
|
||||
/// <param name="msg">CONNECT message received from client</param>
|
||||
public MqttMsgConnectEventArgs(MqttMsgConnect connect)
|
||||
{
|
||||
this.Message = connect;
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,159 @@
|
||||
/*
|
||||
Copyright (c) 2013, 2014 Paolo Patierno
|
||||
|
||||
All rights reserved. This program and the accompanying materials
|
||||
are made available under the terms of the Eclipse Public License v1.0
|
||||
and Eclipse Distribution License v1.0 which accompany this distribution.
|
||||
|
||||
The Eclipse Public License is available at
|
||||
http://www.eclipse.org/legal/epl-v10.html
|
||||
and the Eclipse Distribution License is available at
|
||||
http://www.eclipse.org/org/documents/edl-v10.php.
|
||||
|
||||
Contributors:
|
||||
Paolo Patierno - initial API and implementation and/or initial documentation
|
||||
*/
|
||||
|
||||
using System;
|
||||
using System.Text;
|
||||
|
||||
namespace uPLibrary.Networking.M2Mqtt.Messages
|
||||
{
|
||||
/// <summary>
|
||||
/// Context for MQTT message
|
||||
/// </summary>
|
||||
public class MqttMsgContext
|
||||
{
|
||||
/// <summary>
|
||||
/// MQTT message
|
||||
/// </summary>
|
||||
public MqttMsgBase Message { get; set; }
|
||||
|
||||
/// <summary>
|
||||
/// MQTT message state
|
||||
/// </summary>
|
||||
public MqttMsgState State { get; set; }
|
||||
|
||||
/// <summary>
|
||||
/// Flow of the message
|
||||
/// </summary>
|
||||
public MqttMsgFlow Flow { get; set; }
|
||||
|
||||
/// <summary>
|
||||
/// Timestamp in ticks (for retry)
|
||||
/// </summary>
|
||||
public int Timestamp { get; set; }
|
||||
|
||||
/// <summary>
|
||||
/// Attempt (for retry)
|
||||
/// </summary>
|
||||
public int Attempt { get; set; }
|
||||
|
||||
/// <summary>
|
||||
/// Unique key
|
||||
/// </summary>
|
||||
public string Key
|
||||
{
|
||||
get { return this.Flow + "_" + this.Message.MessageId; }
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Flow of the message
|
||||
/// </summary>
|
||||
public enum MqttMsgFlow
|
||||
{
|
||||
/// <summary>
|
||||
/// To publish to subscribers
|
||||
/// </summary>
|
||||
ToPublish,
|
||||
|
||||
/// <summary>
|
||||
/// To acknowledge to publisher
|
||||
/// </summary>
|
||||
ToAcknowledge
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// MQTT message state
|
||||
/// </summary>
|
||||
public enum MqttMsgState
|
||||
{
|
||||
/// <summary>
|
||||
/// QOS = 0, Message queued
|
||||
/// </summary>
|
||||
QueuedQos0,
|
||||
|
||||
/// <summary>
|
||||
/// QOS = 1, Message queued
|
||||
/// </summary>
|
||||
QueuedQos1,
|
||||
|
||||
/// <summary>
|
||||
/// QOS = 2, Message queued
|
||||
/// </summary>
|
||||
QueuedQos2,
|
||||
|
||||
/// <summary>
|
||||
/// QOS = 1, PUBLISH sent, wait for PUBACK
|
||||
/// </summary>
|
||||
WaitForPuback,
|
||||
|
||||
/// <summary>
|
||||
/// QOS = 2, PUBLISH sent, wait for PUBREC
|
||||
/// </summary>
|
||||
WaitForPubrec,
|
||||
|
||||
/// <summary>
|
||||
/// QOS = 2, PUBREC sent, wait for PUBREL
|
||||
/// </summary>
|
||||
WaitForPubrel,
|
||||
|
||||
/// <summary>
|
||||
/// QOS = 2, PUBREL sent, wait for PUBCOMP
|
||||
/// </summary>
|
||||
WaitForPubcomp,
|
||||
|
||||
/// <summary>
|
||||
/// QOS = 2, start first phase handshake send PUBREC
|
||||
/// </summary>
|
||||
SendPubrec,
|
||||
|
||||
/// <summary>
|
||||
/// QOS = 2, start second phase handshake send PUBREL
|
||||
/// </summary>
|
||||
SendPubrel,
|
||||
|
||||
/// <summary>
|
||||
/// QOS = 2, end second phase handshake send PUBCOMP
|
||||
/// </summary>
|
||||
SendPubcomp,
|
||||
|
||||
/// <summary>
|
||||
/// QOS = 1, PUBLISH received, send PUBACK
|
||||
/// </summary>
|
||||
SendPuback,
|
||||
|
||||
// [v3.1.1] SUBSCRIBE isn't "officially" QOS = 1
|
||||
/// <summary>
|
||||
/// Send SUBSCRIBE message
|
||||
/// </summary>
|
||||
SendSubscribe,
|
||||
|
||||
// [v3.1.1] UNSUBSCRIBE isn't "officially" QOS = 1
|
||||
/// <summary>
|
||||
/// Send UNSUBSCRIBE message
|
||||
/// </summary>
|
||||
SendUnsubscribe,
|
||||
|
||||
/// <summary>
|
||||
/// (QOS = 1), SUBSCRIBE sent, wait for SUBACK
|
||||
/// </summary>
|
||||
WaitForSuback,
|
||||
|
||||
/// <summary>
|
||||
/// (QOS = 1), UNSUBSCRIBE sent, wait for UNSUBACK
|
||||
/// </summary>
|
||||
WaitForUnsuback
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,86 @@
|
||||
/*
|
||||
Copyright (c) 2013, 2014 Paolo Patierno
|
||||
|
||||
All rights reserved. This program and the accompanying materials
|
||||
are made available under the terms of the Eclipse Public License v1.0
|
||||
and Eclipse Distribution License v1.0 which accompany this distribution.
|
||||
|
||||
The Eclipse Public License is available at
|
||||
http://www.eclipse.org/legal/epl-v10.html
|
||||
and the Eclipse Distribution License is available at
|
||||
http://www.eclipse.org/org/documents/edl-v10.php.
|
||||
|
||||
Contributors:
|
||||
Paolo Patierno - initial API and implementation and/or initial documentation
|
||||
*/
|
||||
|
||||
using uPLibrary.Networking.M2Mqtt.Exceptions;
|
||||
|
||||
namespace uPLibrary.Networking.M2Mqtt.Messages
|
||||
{
|
||||
/// <summary>
|
||||
/// Class for DISCONNECT message from client to broker
|
||||
/// </summary>
|
||||
public class MqttMsgDisconnect : MqttMsgBase
|
||||
{
|
||||
/// <summary>
|
||||
/// Constructor
|
||||
/// </summary>
|
||||
public MqttMsgDisconnect()
|
||||
{
|
||||
this.type = MQTT_MSG_DISCONNECT_TYPE;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Parse bytes for a DISCONNECT message
|
||||
/// </summary>
|
||||
/// <param name="fixedHeaderFirstByte">First fixed header byte</param>
|
||||
/// <param name="protocolVersion">Protocol Version</param>
|
||||
/// <param name="channel">Channel connected to the broker</param>
|
||||
/// <returns>DISCONNECT message instance</returns>
|
||||
public static MqttMsgDisconnect Parse(byte fixedHeaderFirstByte, byte protocolVersion, IMqttNetworkChannel channel)
|
||||
{
|
||||
MqttMsgDisconnect msg = new MqttMsgDisconnect();
|
||||
|
||||
if (protocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1_1)
|
||||
{
|
||||
// [v3.1.1] check flag bits
|
||||
if ((fixedHeaderFirstByte & MSG_FLAG_BITS_MASK) != MQTT_MSG_DISCONNECT_FLAG_BITS)
|
||||
throw new MqttClientException(MqttClientErrorCode.InvalidFlagBits);
|
||||
}
|
||||
|
||||
// get remaining length and allocate buffer
|
||||
int remainingLength = MqttMsgBase.decodeRemainingLength(channel);
|
||||
// NOTE : remainingLength must be 0
|
||||
|
||||
return msg;
|
||||
}
|
||||
|
||||
public override byte[] GetBytes(byte protocolVersion)
|
||||
{
|
||||
byte[] buffer = new byte[2];
|
||||
int index = 0;
|
||||
|
||||
// first fixed header byte
|
||||
if (protocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1_1)
|
||||
buffer[index++] = (MQTT_MSG_DISCONNECT_TYPE << MSG_TYPE_OFFSET) | MQTT_MSG_DISCONNECT_FLAG_BITS; // [v.3.1.1]
|
||||
else
|
||||
buffer[index++] = (MQTT_MSG_DISCONNECT_TYPE << MSG_TYPE_OFFSET);
|
||||
buffer[index++] = 0x00;
|
||||
|
||||
return buffer;
|
||||
}
|
||||
|
||||
public override string ToString()
|
||||
{
|
||||
#if TRACE
|
||||
return this.GetTraceString(
|
||||
"DISCONNECT",
|
||||
null,
|
||||
null);
|
||||
#else
|
||||
return base.ToString();
|
||||
#endif
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,86 @@
|
||||
/*
|
||||
Copyright (c) 2013, 2014 Paolo Patierno
|
||||
|
||||
All rights reserved. This program and the accompanying materials
|
||||
are made available under the terms of the Eclipse Public License v1.0
|
||||
and Eclipse Distribution License v1.0 which accompany this distribution.
|
||||
|
||||
The Eclipse Public License is available at
|
||||
http://www.eclipse.org/legal/epl-v10.html
|
||||
and the Eclipse Distribution License is available at
|
||||
http://www.eclipse.org/org/documents/edl-v10.php.
|
||||
|
||||
Contributors:
|
||||
Paolo Patierno - initial API and implementation and/or initial documentation
|
||||
*/
|
||||
|
||||
using uPLibrary.Networking.M2Mqtt.Exceptions;
|
||||
|
||||
namespace uPLibrary.Networking.M2Mqtt.Messages
|
||||
{
|
||||
/// <summary>
|
||||
/// Class for PINGREQ message from client to broker
|
||||
/// </summary>
|
||||
public class MqttMsgPingReq : MqttMsgBase
|
||||
{
|
||||
/// <summary>
|
||||
/// Constructor
|
||||
/// </summary>
|
||||
public MqttMsgPingReq()
|
||||
{
|
||||
this.type = MQTT_MSG_PINGREQ_TYPE;
|
||||
}
|
||||
|
||||
public override byte[] GetBytes(byte protocolVersion)
|
||||
{
|
||||
byte[] buffer = new byte[2];
|
||||
int index = 0;
|
||||
|
||||
// first fixed header byte
|
||||
if (protocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1_1)
|
||||
buffer[index++] = (MQTT_MSG_PINGREQ_TYPE << MSG_TYPE_OFFSET) | MQTT_MSG_PINGREQ_FLAG_BITS; // [v.3.1.1]
|
||||
else
|
||||
buffer[index++] = (MQTT_MSG_PINGREQ_TYPE << MSG_TYPE_OFFSET);
|
||||
buffer[index++] = 0x00;
|
||||
|
||||
return buffer;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Parse bytes for a PINGREQ message
|
||||
/// </summary>
|
||||
/// <param name="fixedHeaderFirstByte">First fixed header byte</param>
|
||||
/// <param name="protocolVersion">Protocol Version</param>
|
||||
/// <param name="channel">Channel connected to the broker</param>
|
||||
/// <returns>PINGREQ message instance</returns>
|
||||
public static MqttMsgPingReq Parse(byte fixedHeaderFirstByte, byte protocolVersion, IMqttNetworkChannel channel)
|
||||
{
|
||||
MqttMsgPingReq msg = new MqttMsgPingReq();
|
||||
|
||||
if (protocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1_1)
|
||||
{
|
||||
// [v3.1.1] check flag bits
|
||||
if ((fixedHeaderFirstByte & MSG_FLAG_BITS_MASK) != MQTT_MSG_PINGREQ_FLAG_BITS)
|
||||
throw new MqttClientException(MqttClientErrorCode.InvalidFlagBits);
|
||||
}
|
||||
|
||||
// already know remaininglength is zero (MQTT specification),
|
||||
// so it isn't necessary to read other data from socket
|
||||
int remainingLength = MqttMsgBase.decodeRemainingLength(channel);
|
||||
|
||||
return msg;
|
||||
}
|
||||
|
||||
public override string ToString()
|
||||
{
|
||||
#if TRACE
|
||||
return this.GetTraceString(
|
||||
"PINGREQ",
|
||||
null,
|
||||
null);
|
||||
#else
|
||||
return base.ToString();
|
||||
#endif
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,87 @@
|
||||
/*
|
||||
Copyright (c) 2013, 2014 Paolo Patierno
|
||||
|
||||
All rights reserved. This program and the accompanying materials
|
||||
are made available under the terms of the Eclipse Public License v1.0
|
||||
and Eclipse Distribution License v1.0 which accompany this distribution.
|
||||
|
||||
The Eclipse Public License is available at
|
||||
http://www.eclipse.org/legal/epl-v10.html
|
||||
and the Eclipse Distribution License is available at
|
||||
http://www.eclipse.org/org/documents/edl-v10.php.
|
||||
|
||||
Contributors:
|
||||
Paolo Patierno - initial API and implementation and/or initial documentation
|
||||
*/
|
||||
|
||||
using System;
|
||||
using uPLibrary.Networking.M2Mqtt.Exceptions;
|
||||
|
||||
namespace uPLibrary.Networking.M2Mqtt.Messages
|
||||
{
|
||||
/// <summary>
|
||||
/// Class for PINGRESP message from client to broker
|
||||
/// </summary>
|
||||
public class MqttMsgPingResp : MqttMsgBase
|
||||
{
|
||||
/// <summary>
|
||||
/// Constructor
|
||||
/// </summary>
|
||||
public MqttMsgPingResp()
|
||||
{
|
||||
this.type = MQTT_MSG_PINGRESP_TYPE;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Parse bytes for a PINGRESP message
|
||||
/// </summary>
|
||||
/// <param name="fixedHeaderFirstByte">First fixed header byte</param>
|
||||
/// <param name="protocolVersion">Protocol Version</param>
|
||||
/// <param name="channel">Channel connected to the broker</param>
|
||||
/// <returns>PINGRESP message instance</returns>
|
||||
public static MqttMsgPingResp Parse(byte fixedHeaderFirstByte, byte protocolVersion, IMqttNetworkChannel channel)
|
||||
{
|
||||
MqttMsgPingResp msg = new MqttMsgPingResp();
|
||||
|
||||
if (protocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1_1)
|
||||
{
|
||||
// [v3.1.1] check flag bits
|
||||
if ((fixedHeaderFirstByte & MSG_FLAG_BITS_MASK) != MQTT_MSG_PINGRESP_FLAG_BITS)
|
||||
throw new MqttClientException(MqttClientErrorCode.InvalidFlagBits);
|
||||
}
|
||||
|
||||
// already know remaininglength is zero (MQTT specification),
|
||||
// so it isn't necessary to read other data from socket
|
||||
int remainingLength = MqttMsgBase.decodeRemainingLength(channel);
|
||||
|
||||
return msg;
|
||||
}
|
||||
|
||||
public override byte[] GetBytes(byte protocolVersion)
|
||||
{
|
||||
byte[] buffer = new byte[2];
|
||||
int index = 0;
|
||||
|
||||
// first fixed header byte
|
||||
if (protocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1_1)
|
||||
buffer[index++] = (MQTT_MSG_PINGRESP_TYPE << MSG_TYPE_OFFSET) | MQTT_MSG_PINGRESP_FLAG_BITS; // [v.3.1.1]
|
||||
else
|
||||
buffer[index++] = (MQTT_MSG_PINGRESP_TYPE << MSG_TYPE_OFFSET);
|
||||
buffer[index++] = 0x00;
|
||||
|
||||
return buffer;
|
||||
}
|
||||
|
||||
public override string ToString()
|
||||
{
|
||||
#if TRACE
|
||||
return this.GetTraceString(
|
||||
"PINGRESP",
|
||||
null,
|
||||
null);
|
||||
#else
|
||||
return base.ToString();
|
||||
#endif
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,125 @@
|
||||
/*
|
||||
Copyright (c) 2013, 2014 Paolo Patierno
|
||||
|
||||
All rights reserved. This program and the accompanying materials
|
||||
are made available under the terms of the Eclipse Public License v1.0
|
||||
and Eclipse Distribution License v1.0 which accompany this distribution.
|
||||
|
||||
The Eclipse Public License is available at
|
||||
http://www.eclipse.org/legal/epl-v10.html
|
||||
and the Eclipse Distribution License is available at
|
||||
http://www.eclipse.org/org/documents/edl-v10.php.
|
||||
|
||||
Contributors:
|
||||
Paolo Patierno - initial API and implementation and/or initial documentation
|
||||
*/
|
||||
|
||||
using uPLibrary.Networking.M2Mqtt.Exceptions;
|
||||
|
||||
namespace uPLibrary.Networking.M2Mqtt.Messages
|
||||
{
|
||||
/// <summary>
|
||||
/// Class for PUBACK message from broker to client
|
||||
/// </summary>
|
||||
public class MqttMsgPuback : MqttMsgBase
|
||||
{
|
||||
/// <summary>
|
||||
/// Constructor
|
||||
/// </summary>
|
||||
public MqttMsgPuback()
|
||||
{
|
||||
this.type = MQTT_MSG_PUBACK_TYPE;
|
||||
}
|
||||
|
||||
public override byte[] GetBytes(byte protocolVersion)
|
||||
{
|
||||
int fixedHeaderSize = 0;
|
||||
int varHeaderSize = 0;
|
||||
int payloadSize = 0;
|
||||
int remainingLength = 0;
|
||||
byte[] buffer;
|
||||
int index = 0;
|
||||
|
||||
// message identifier
|
||||
varHeaderSize += MESSAGE_ID_SIZE;
|
||||
|
||||
remainingLength += (varHeaderSize + payloadSize);
|
||||
|
||||
// first byte of fixed header
|
||||
fixedHeaderSize = 1;
|
||||
|
||||
int temp = remainingLength;
|
||||
// increase fixed header size based on remaining length
|
||||
// (each remaining length byte can encode until 128)
|
||||
do
|
||||
{
|
||||
fixedHeaderSize++;
|
||||
temp = temp / 128;
|
||||
} while (temp > 0);
|
||||
|
||||
// allocate buffer for message
|
||||
buffer = new byte[fixedHeaderSize + varHeaderSize + payloadSize];
|
||||
|
||||
// first fixed header byte
|
||||
if (protocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1_1)
|
||||
buffer[index++] = (MQTT_MSG_PUBACK_TYPE << MSG_TYPE_OFFSET) | MQTT_MSG_PUBACK_FLAG_BITS; // [v.3.1.1]
|
||||
else
|
||||
buffer[index++] = (MQTT_MSG_PUBACK_TYPE << MSG_TYPE_OFFSET);
|
||||
|
||||
// encode remaining length
|
||||
index = this.encodeRemainingLength(remainingLength, buffer, index);
|
||||
|
||||
// get message identifier
|
||||
buffer[index++] = (byte)((this.messageId >> 8) & 0x00FF); // MSB
|
||||
buffer[index++] = (byte)(this.messageId & 0x00FF); // LSB
|
||||
|
||||
return buffer;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Parse bytes for a PUBACK message
|
||||
/// </summary>
|
||||
/// <param name="fixedHeaderFirstByte">First fixed header byte</param>
|
||||
/// <param name="protocolVersion">Protocol Version</param>
|
||||
/// <param name="channel">Channel connected to the broker</param>
|
||||
/// <returns>PUBACK message instance</returns>
|
||||
public static MqttMsgPuback Parse(byte fixedHeaderFirstByte, byte protocolVersion, IMqttNetworkChannel channel)
|
||||
{
|
||||
byte[] buffer;
|
||||
int index = 0;
|
||||
MqttMsgPuback msg = new MqttMsgPuback();
|
||||
|
||||
if (protocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1_1)
|
||||
{
|
||||
// [v3.1.1] check flag bits
|
||||
if ((fixedHeaderFirstByte & MSG_FLAG_BITS_MASK) != MQTT_MSG_PUBACK_FLAG_BITS)
|
||||
throw new MqttClientException(MqttClientErrorCode.InvalidFlagBits);
|
||||
}
|
||||
|
||||
// get remaining length and allocate buffer
|
||||
int remainingLength = MqttMsgBase.decodeRemainingLength(channel);
|
||||
buffer = new byte[remainingLength];
|
||||
|
||||
// read bytes from socket...
|
||||
channel.Receive(buffer);
|
||||
|
||||
// message id
|
||||
msg.messageId = (ushort)((buffer[index++] << 8) & 0xFF00);
|
||||
msg.messageId |= (buffer[index++]);
|
||||
|
||||
return msg;
|
||||
}
|
||||
|
||||
public override string ToString()
|
||||
{
|
||||
#if TRACE
|
||||
return this.GetTraceString(
|
||||
"PUBACK",
|
||||
new object[] { "messageId" },
|
||||
new object[] { this.messageId });
|
||||
#else
|
||||
return base.ToString();
|
||||
#endif
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,125 @@
|
||||
/*
|
||||
Copyright (c) 2013, 2014 Paolo Patierno
|
||||
|
||||
All rights reserved. This program and the accompanying materials
|
||||
are made available under the terms of the Eclipse Public License v1.0
|
||||
and Eclipse Distribution License v1.0 which accompany this distribution.
|
||||
|
||||
The Eclipse Public License is available at
|
||||
http://www.eclipse.org/legal/epl-v10.html
|
||||
and the Eclipse Distribution License is available at
|
||||
http://www.eclipse.org/org/documents/edl-v10.php.
|
||||
|
||||
Contributors:
|
||||
Paolo Patierno - initial API and implementation and/or initial documentation
|
||||
*/
|
||||
|
||||
using uPLibrary.Networking.M2Mqtt.Exceptions;
|
||||
|
||||
namespace uPLibrary.Networking.M2Mqtt.Messages
|
||||
{
|
||||
/// <summary>
|
||||
/// Class for PUBCOMP message from broker to client
|
||||
/// </summary>
|
||||
public class MqttMsgPubcomp : MqttMsgBase
|
||||
{
|
||||
/// <summary>
|
||||
/// Constructor
|
||||
/// </summary>
|
||||
public MqttMsgPubcomp()
|
||||
{
|
||||
this.type = MQTT_MSG_PUBCOMP_TYPE;
|
||||
}
|
||||
|
||||
public override byte[] GetBytes(byte protocolVersion)
|
||||
{
|
||||
int fixedHeaderSize = 0;
|
||||
int varHeaderSize = 0;
|
||||
int payloadSize = 0;
|
||||
int remainingLength = 0;
|
||||
byte[] buffer;
|
||||
int index = 0;
|
||||
|
||||
// message identifier
|
||||
varHeaderSize += MESSAGE_ID_SIZE;
|
||||
|
||||
remainingLength += (varHeaderSize + payloadSize);
|
||||
|
||||
// first byte of fixed header
|
||||
fixedHeaderSize = 1;
|
||||
|
||||
int temp = remainingLength;
|
||||
// increase fixed header size based on remaining length
|
||||
// (each remaining length byte can encode until 128)
|
||||
do
|
||||
{
|
||||
fixedHeaderSize++;
|
||||
temp = temp / 128;
|
||||
} while (temp > 0);
|
||||
|
||||
// allocate buffer for message
|
||||
buffer = new byte[fixedHeaderSize + varHeaderSize + payloadSize];
|
||||
|
||||
// first fixed header byte
|
||||
if (protocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1_1)
|
||||
buffer[index++] = (MQTT_MSG_PUBCOMP_TYPE << MSG_TYPE_OFFSET) | MQTT_MSG_PUBCOMP_FLAG_BITS; // [v.3.1.1]
|
||||
else
|
||||
buffer[index++] = (MQTT_MSG_PUBCOMP_TYPE << MSG_TYPE_OFFSET);
|
||||
|
||||
// encode remaining length
|
||||
index = this.encodeRemainingLength(remainingLength, buffer, index);
|
||||
|
||||
// get message identifier
|
||||
buffer[index++] = (byte)((this.messageId >> 8) & 0x00FF); // MSB
|
||||
buffer[index++] = (byte)(this.messageId & 0x00FF); // LSB
|
||||
|
||||
return buffer;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Parse bytes for a PUBCOMP message
|
||||
/// </summary>
|
||||
/// <param name="fixedHeaderFirstByte">First fixed header byte</param>
|
||||
/// <param name="protocolVersion">Protocol Version</param>
|
||||
/// <param name="channel">Channel connected to the broker</param>
|
||||
/// <returns>PUBCOMP message instance</returns>
|
||||
public static MqttMsgPubcomp Parse(byte fixedHeaderFirstByte, byte protocolVersion, IMqttNetworkChannel channel)
|
||||
{
|
||||
byte[] buffer;
|
||||
int index = 0;
|
||||
MqttMsgPubcomp msg = new MqttMsgPubcomp();
|
||||
|
||||
if (protocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1_1)
|
||||
{
|
||||
// [v3.1.1] check flag bits
|
||||
if ((fixedHeaderFirstByte & MSG_FLAG_BITS_MASK) != MQTT_MSG_PUBCOMP_FLAG_BITS)
|
||||
throw new MqttClientException(MqttClientErrorCode.InvalidFlagBits);
|
||||
}
|
||||
|
||||
// get remaining length and allocate buffer
|
||||
int remainingLength = MqttMsgBase.decodeRemainingLength(channel);
|
||||
buffer = new byte[remainingLength];
|
||||
|
||||
// read bytes from socket...
|
||||
channel.Receive(buffer);
|
||||
|
||||
// message id
|
||||
msg.messageId = (ushort)((buffer[index++] << 8) & 0xFF00);
|
||||
msg.messageId |= (buffer[index++]);
|
||||
|
||||
return msg;
|
||||
}
|
||||
|
||||
public override string ToString()
|
||||
{
|
||||
#if TRACE
|
||||
return this.GetTraceString(
|
||||
"PUBCOMP",
|
||||
new object[] { "messageId" },
|
||||
new object[] { this.messageId });
|
||||
#else
|
||||
return base.ToString();
|
||||
#endif
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,277 @@
|
||||
/*
|
||||
Copyright (c) 2013, 2014 Paolo Patierno
|
||||
|
||||
All rights reserved. This program and the accompanying materials
|
||||
are made available under the terms of the Eclipse Public License v1.0
|
||||
and Eclipse Distribution License v1.0 which accompany this distribution.
|
||||
|
||||
The Eclipse Public License is available at
|
||||
http://www.eclipse.org/legal/epl-v10.html
|
||||
and the Eclipse Distribution License is available at
|
||||
http://www.eclipse.org/org/documents/edl-v10.php.
|
||||
|
||||
Contributors:
|
||||
Paolo Patierno - initial API and implementation and/or initial documentation
|
||||
*/
|
||||
|
||||
using System;
|
||||
using System.Text;
|
||||
using uPLibrary.Networking.M2Mqtt.Exceptions;
|
||||
|
||||
namespace uPLibrary.Networking.M2Mqtt.Messages
|
||||
{
|
||||
/// <summary>
|
||||
/// Class for PUBLISH message from client to broker
|
||||
/// </summary>
|
||||
public class MqttMsgPublish : MqttMsgBase
|
||||
{
|
||||
#region Properties...
|
||||
|
||||
/// <summary>
|
||||
/// Message topic
|
||||
/// </summary>
|
||||
public string Topic
|
||||
{
|
||||
get { return this.topic; }
|
||||
set { this.topic = value; }
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Message data
|
||||
/// </summary>
|
||||
public byte[] Message
|
||||
{
|
||||
get { return this.message; }
|
||||
set { this.message = value; }
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
// message topic
|
||||
private string topic;
|
||||
// message data
|
||||
private byte[] message;
|
||||
|
||||
/// <summary>
|
||||
/// Constructor
|
||||
/// </summary>
|
||||
public MqttMsgPublish()
|
||||
{
|
||||
this.type = MQTT_MSG_PUBLISH_TYPE;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Constructor
|
||||
/// </summary>
|
||||
/// <param name="topic">Message topic</param>
|
||||
/// <param name="message">Message data</param>
|
||||
public MqttMsgPublish(string topic, byte[] message) :
|
||||
this(topic, message, false, QOS_LEVEL_AT_MOST_ONCE, false)
|
||||
{
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Constructor
|
||||
/// </summary>
|
||||
/// <param name="topic">Message topic</param>
|
||||
/// <param name="message">Message data</param>
|
||||
/// <param name="dupFlag">Duplicate flag</param>
|
||||
/// <param name="qosLevel">Quality of Service level</param>
|
||||
/// <param name="retain">Retain flag</param>
|
||||
public MqttMsgPublish(string topic,
|
||||
byte[] message,
|
||||
bool dupFlag,
|
||||
byte qosLevel,
|
||||
bool retain) : base()
|
||||
{
|
||||
this.type = MQTT_MSG_PUBLISH_TYPE;
|
||||
|
||||
this.topic = topic;
|
||||
this.message = message;
|
||||
this.dupFlag = dupFlag;
|
||||
this.qosLevel = qosLevel;
|
||||
this.retain = retain;
|
||||
this.messageId = 0;
|
||||
}
|
||||
|
||||
public override byte[] GetBytes(byte protocolVersion)
|
||||
{
|
||||
int fixedHeaderSize = 0;
|
||||
int varHeaderSize = 0;
|
||||
int payloadSize = 0;
|
||||
int remainingLength = 0;
|
||||
byte[] buffer;
|
||||
int index = 0;
|
||||
|
||||
// topic can't contain wildcards
|
||||
if ((this.topic.IndexOf('#') != -1) || (this.topic.IndexOf('+') != -1))
|
||||
throw new MqttClientException(MqttClientErrorCode.TopicWildcard);
|
||||
|
||||
// check topic length
|
||||
if ((this.topic.Length < MIN_TOPIC_LENGTH) || (this.topic.Length > MAX_TOPIC_LENGTH))
|
||||
throw new MqttClientException(MqttClientErrorCode.TopicLength);
|
||||
|
||||
// check wrong QoS level (both bits can't be set 1)
|
||||
if (this.qosLevel > QOS_LEVEL_EXACTLY_ONCE)
|
||||
throw new MqttClientException(MqttClientErrorCode.QosNotAllowed);
|
||||
|
||||
byte[] topicUtf8 = Encoding.UTF8.GetBytes(this.topic);
|
||||
|
||||
// topic name
|
||||
varHeaderSize += topicUtf8.Length + 2;
|
||||
|
||||
// message id is valid only with QOS level 1 or QOS level 2
|
||||
if ((this.qosLevel == QOS_LEVEL_AT_LEAST_ONCE) ||
|
||||
(this.qosLevel == QOS_LEVEL_EXACTLY_ONCE))
|
||||
{
|
||||
varHeaderSize += MESSAGE_ID_SIZE;
|
||||
}
|
||||
|
||||
// check on message with zero length
|
||||
if (this.message != null)
|
||||
// message data
|
||||
payloadSize += this.message.Length;
|
||||
|
||||
remainingLength += (varHeaderSize + payloadSize);
|
||||
|
||||
// first byte of fixed header
|
||||
fixedHeaderSize = 1;
|
||||
|
||||
int temp = remainingLength;
|
||||
// increase fixed header size based on remaining length
|
||||
// (each remaining length byte can encode until 128)
|
||||
do
|
||||
{
|
||||
fixedHeaderSize++;
|
||||
temp = temp / 128;
|
||||
} while (temp > 0);
|
||||
|
||||
// allocate buffer for message
|
||||
buffer = new byte[fixedHeaderSize + varHeaderSize + payloadSize];
|
||||
|
||||
// first fixed header byte
|
||||
buffer[index] = (byte)((MQTT_MSG_PUBLISH_TYPE << MSG_TYPE_OFFSET) |
|
||||
(this.qosLevel << QOS_LEVEL_OFFSET));
|
||||
buffer[index] |= this.dupFlag ? (byte)(1 << DUP_FLAG_OFFSET) : (byte)0x00;
|
||||
buffer[index] |= this.retain ? (byte)(1 << RETAIN_FLAG_OFFSET) : (byte)0x00;
|
||||
index++;
|
||||
|
||||
// encode remaining length
|
||||
index = this.encodeRemainingLength(remainingLength, buffer, index);
|
||||
|
||||
// topic name
|
||||
buffer[index++] = (byte)((topicUtf8.Length >> 8) & 0x00FF); // MSB
|
||||
buffer[index++] = (byte)(topicUtf8.Length & 0x00FF); // LSB
|
||||
Array.Copy(topicUtf8, 0, buffer, index, topicUtf8.Length);
|
||||
index += topicUtf8.Length;
|
||||
|
||||
// message id is valid only with QOS level 1 or QOS level 2
|
||||
if ((this.qosLevel == QOS_LEVEL_AT_LEAST_ONCE) ||
|
||||
(this.qosLevel == QOS_LEVEL_EXACTLY_ONCE))
|
||||
{
|
||||
// check message identifier assigned
|
||||
if (this.messageId == 0)
|
||||
throw new MqttClientException(MqttClientErrorCode.WrongMessageId);
|
||||
buffer[index++] = (byte)((this.messageId >> 8) & 0x00FF); // MSB
|
||||
buffer[index++] = (byte)(this.messageId & 0x00FF); // LSB
|
||||
}
|
||||
|
||||
// check on message with zero length
|
||||
if (this.message != null)
|
||||
{
|
||||
// message data
|
||||
Array.Copy(this.message, 0, buffer, index, this.message.Length);
|
||||
index += this.message.Length;
|
||||
}
|
||||
|
||||
return buffer;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Parse bytes for a PUBLISH message
|
||||
/// </summary>
|
||||
/// <param name="fixedHeaderFirstByte">First fixed header byte</param>
|
||||
/// <param name="protocolVersion">Protocol Version</param>
|
||||
/// <param name="channel">Channel connected to the broker</param>
|
||||
/// <returns>PUBLISH message instance</returns>
|
||||
public static MqttMsgPublish Parse(byte fixedHeaderFirstByte, byte protocolVersion, IMqttNetworkChannel channel)
|
||||
{
|
||||
byte[] buffer;
|
||||
int index = 0;
|
||||
byte[] topicUtf8;
|
||||
int topicUtf8Length;
|
||||
MqttMsgPublish msg = new MqttMsgPublish();
|
||||
|
||||
// get remaining length and allocate buffer
|
||||
int remainingLength = MqttMsgBase.decodeRemainingLength(channel);
|
||||
buffer = new byte[remainingLength];
|
||||
|
||||
// read bytes from socket...
|
||||
int received = channel.Receive(buffer);
|
||||
|
||||
// topic name
|
||||
topicUtf8Length = ((buffer[index++] << 8) & 0xFF00);
|
||||
topicUtf8Length |= buffer[index++];
|
||||
topicUtf8 = new byte[topicUtf8Length];
|
||||
Array.Copy(buffer, index, topicUtf8, 0, topicUtf8Length);
|
||||
index += topicUtf8Length;
|
||||
msg.topic = new String(Encoding.UTF8.GetChars(topicUtf8));
|
||||
|
||||
// read QoS level from fixed header
|
||||
msg.qosLevel = (byte)((fixedHeaderFirstByte & QOS_LEVEL_MASK) >> QOS_LEVEL_OFFSET);
|
||||
// check wrong QoS level (both bits can't be set 1)
|
||||
if (msg.qosLevel > QOS_LEVEL_EXACTLY_ONCE)
|
||||
throw new MqttClientException(MqttClientErrorCode.QosNotAllowed);
|
||||
// read DUP flag from fixed header
|
||||
msg.dupFlag = (((fixedHeaderFirstByte & DUP_FLAG_MASK) >> DUP_FLAG_OFFSET) == 0x01);
|
||||
// read retain flag from fixed header
|
||||
msg.retain = (((fixedHeaderFirstByte & RETAIN_FLAG_MASK) >> RETAIN_FLAG_OFFSET) == 0x01);
|
||||
|
||||
// message id is valid only with QOS level 1 or QOS level 2
|
||||
if ((msg.qosLevel == QOS_LEVEL_AT_LEAST_ONCE) ||
|
||||
(msg.qosLevel == QOS_LEVEL_EXACTLY_ONCE))
|
||||
{
|
||||
// message id
|
||||
msg.messageId = (ushort)((buffer[index++] << 8) & 0xFF00);
|
||||
msg.messageId |= (buffer[index++]);
|
||||
}
|
||||
|
||||
// get payload with message data
|
||||
int messageSize = remainingLength - index;
|
||||
int remaining = messageSize;
|
||||
int messageOffset = 0;
|
||||
msg.message = new byte[messageSize];
|
||||
|
||||
// BUG FIX 26/07/2013 : receiving large payload
|
||||
|
||||
// copy first part of payload data received
|
||||
Array.Copy(buffer, index, msg.message, messageOffset, received - index);
|
||||
remaining -= (received - index);
|
||||
messageOffset += (received - index);
|
||||
|
||||
// if payload isn't finished
|
||||
while (remaining > 0)
|
||||
{
|
||||
// receive other payload data
|
||||
received = channel.Receive(buffer);
|
||||
Array.Copy(buffer, 0, msg.message, messageOffset, received);
|
||||
remaining -= received;
|
||||
messageOffset += received;
|
||||
}
|
||||
|
||||
return msg;
|
||||
}
|
||||
|
||||
public override string ToString()
|
||||
{
|
||||
#if TRACE
|
||||
return this.GetTraceString(
|
||||
"PUBLISH",
|
||||
new object[] { "messageId", "topic", "message" },
|
||||
new object[] { this.messageId, this.topic, this.message });
|
||||
#else
|
||||
return base.ToString();
|
||||
#endif
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,111 @@
|
||||
/*
|
||||
Copyright (c) 2013, 2014 Paolo Patierno
|
||||
|
||||
All rights reserved. This program and the accompanying materials
|
||||
are made available under the terms of the Eclipse Public License v1.0
|
||||
and Eclipse Distribution License v1.0 which accompany this distribution.
|
||||
|
||||
The Eclipse Public License is available at
|
||||
http://www.eclipse.org/legal/epl-v10.html
|
||||
and the Eclipse Distribution License is available at
|
||||
http://www.eclipse.org/org/documents/edl-v10.php.
|
||||
|
||||
Contributors:
|
||||
Paolo Patierno - initial API and implementation and/or initial documentation
|
||||
*/
|
||||
|
||||
#if (!MF_FRAMEWORK_VERSION_V4_2 && !MF_FRAMEWORK_VERSION_V4_3)
|
||||
using System;
|
||||
#else
|
||||
using Microsoft.SPOT;
|
||||
#endif
|
||||
|
||||
namespace uPLibrary.Networking.M2Mqtt.Messages
|
||||
{
|
||||
/// <summary>
|
||||
/// Event Args class for PUBLISH message received from broker
|
||||
/// </summary>
|
||||
public class MqttMsgPublishEventArgs : EventArgs
|
||||
{
|
||||
#region Properties...
|
||||
|
||||
/// <summary>
|
||||
/// Message topic
|
||||
/// </summary>
|
||||
public string Topic
|
||||
{
|
||||
get { return this.topic; }
|
||||
internal set { this.topic = value; }
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Message data
|
||||
/// </summary>
|
||||
public byte[] Message
|
||||
{
|
||||
get { return this.message; }
|
||||
internal set { this.message = value; }
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Duplicate message flag
|
||||
/// </summary>
|
||||
public bool DupFlag
|
||||
{
|
||||
get { return this.dupFlag; }
|
||||
set { this.dupFlag = value; }
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Quality of Service level
|
||||
/// </summary>
|
||||
public byte QosLevel
|
||||
{
|
||||
get { return this.qosLevel; }
|
||||
internal set { this.qosLevel = value; }
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Retain message flag
|
||||
/// </summary>
|
||||
public bool Retain
|
||||
{
|
||||
get { return this.retain; }
|
||||
internal set { this.retain = value; }
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
// message topic
|
||||
private string topic;
|
||||
// message data
|
||||
private byte[] message;
|
||||
// duplicate delivery
|
||||
private bool dupFlag;
|
||||
// quality of service level
|
||||
private byte qosLevel;
|
||||
// retain flag
|
||||
private bool retain;
|
||||
|
||||
/// <summary>
|
||||
/// Constructor
|
||||
/// </summary>
|
||||
/// <param name="topic">Message topic</param>
|
||||
/// <param name="message">Message data</param>
|
||||
/// <param name="dupFlag">Duplicate delivery flag</param>
|
||||
/// <param name="qosLevel">Quality of Service level</param>
|
||||
/// <param name="retain">Retain flag</param>
|
||||
public MqttMsgPublishEventArgs(string topic,
|
||||
byte[] message,
|
||||
bool dupFlag,
|
||||
byte qosLevel,
|
||||
bool retain)
|
||||
{
|
||||
this.topic = topic;
|
||||
this.message = message;
|
||||
this.dupFlag = dupFlag;
|
||||
this.qosLevel = qosLevel;
|
||||
this.retain = retain;
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,78 @@
|
||||
/*
|
||||
Copyright (c) 2013, 2014 Paolo Patierno
|
||||
|
||||
All rights reserved. This program and the accompanying materials
|
||||
are made available under the terms of the Eclipse Public License v1.0
|
||||
and Eclipse Distribution License v1.0 which accompany this distribution.
|
||||
|
||||
The Eclipse Public License is available at
|
||||
http://www.eclipse.org/legal/epl-v10.html
|
||||
and the Eclipse Distribution License is available at
|
||||
http://www.eclipse.org/org/documents/edl-v10.php.
|
||||
|
||||
Contributors:
|
||||
Paolo Patierno - initial API and implementation and/or initial documentation
|
||||
*/
|
||||
|
||||
#if (!MF_FRAMEWORK_VERSION_V4_2 && !MF_FRAMEWORK_VERSION_V4_3)
|
||||
using System;
|
||||
#else
|
||||
using Microsoft.SPOT;
|
||||
#endif
|
||||
|
||||
namespace uPLibrary.Networking.M2Mqtt.Messages
|
||||
{
|
||||
/// <summary>
|
||||
/// Event Args class for published message
|
||||
/// </summary>
|
||||
public class MqttMsgPublishedEventArgs : EventArgs
|
||||
{
|
||||
#region Properties...
|
||||
|
||||
/// <summary>
|
||||
/// Message identifier
|
||||
/// </summary>
|
||||
public ushort MessageId
|
||||
{
|
||||
get { return this.messageId; }
|
||||
internal set { this.messageId = value; }
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Message published (or failed due to retries)
|
||||
/// </summary>
|
||||
public bool IsPublished
|
||||
{
|
||||
get { return this.isPublished; }
|
||||
internal set { this.isPublished = value; }
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
// message identifier
|
||||
ushort messageId;
|
||||
|
||||
// published flag
|
||||
bool isPublished;
|
||||
|
||||
/// <summary>
|
||||
/// Constructor (published message)
|
||||
/// </summary>
|
||||
/// <param name="messageId">Message identifier published</param>
|
||||
public MqttMsgPublishedEventArgs(ushort messageId)
|
||||
: this(messageId, true)
|
||||
{
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Constructor
|
||||
/// </summary>
|
||||
/// <param name="messageId">Message identifier</param>
|
||||
/// <param name="isPublished">Publish flag</param>
|
||||
public MqttMsgPublishedEventArgs(ushort messageId, bool isPublished)
|
||||
{
|
||||
this.messageId = messageId;
|
||||
this.isPublished = isPublished;
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,125 @@
|
||||
/*
|
||||
Copyright (c) 2013, 2014 Paolo Patierno
|
||||
|
||||
All rights reserved. This program and the accompanying materials
|
||||
are made available under the terms of the Eclipse Public License v1.0
|
||||
and Eclipse Distribution License v1.0 which accompany this distribution.
|
||||
|
||||
The Eclipse Public License is available at
|
||||
http://www.eclipse.org/legal/epl-v10.html
|
||||
and the Eclipse Distribution License is available at
|
||||
http://www.eclipse.org/org/documents/edl-v10.php.
|
||||
|
||||
Contributors:
|
||||
Paolo Patierno - initial API and implementation and/or initial documentation
|
||||
*/
|
||||
|
||||
using uPLibrary.Networking.M2Mqtt.Exceptions;
|
||||
|
||||
namespace uPLibrary.Networking.M2Mqtt.Messages
|
||||
{
|
||||
/// <summary>
|
||||
/// Class for PUBREC message from broker to client
|
||||
/// </summary>
|
||||
public class MqttMsgPubrec : MqttMsgBase
|
||||
{
|
||||
/// <summary>
|
||||
/// Constructor
|
||||
/// </summary>
|
||||
public MqttMsgPubrec()
|
||||
{
|
||||
this.type = MQTT_MSG_PUBREC_TYPE;
|
||||
}
|
||||
|
||||
public override byte[] GetBytes(byte protocolVersion)
|
||||
{
|
||||
int fixedHeaderSize = 0;
|
||||
int varHeaderSize = 0;
|
||||
int payloadSize = 0;
|
||||
int remainingLength = 0;
|
||||
byte[] buffer;
|
||||
int index = 0;
|
||||
|
||||
// message identifier
|
||||
varHeaderSize += MESSAGE_ID_SIZE;
|
||||
|
||||
remainingLength += (varHeaderSize + payloadSize);
|
||||
|
||||
// first byte of fixed header
|
||||
fixedHeaderSize = 1;
|
||||
|
||||
int temp = remainingLength;
|
||||
// increase fixed header size based on remaining length
|
||||
// (each remaining length byte can encode until 128)
|
||||
do
|
||||
{
|
||||
fixedHeaderSize++;
|
||||
temp = temp / 128;
|
||||
} while (temp > 0);
|
||||
|
||||
// allocate buffer for message
|
||||
buffer = new byte[fixedHeaderSize + varHeaderSize + payloadSize];
|
||||
|
||||
// first fixed header byte
|
||||
if (protocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1_1)
|
||||
buffer[index++] = (MQTT_MSG_PUBREC_TYPE << MSG_TYPE_OFFSET) | MQTT_MSG_PUBREC_FLAG_BITS; // [v.3.1.1]
|
||||
else
|
||||
buffer[index++] = (MQTT_MSG_PUBREC_TYPE << MSG_TYPE_OFFSET);
|
||||
|
||||
// encode remaining length
|
||||
index = this.encodeRemainingLength(remainingLength, buffer, index);
|
||||
|
||||
// get message identifier
|
||||
buffer[index++] = (byte)((this.messageId >> 8) & 0x00FF); // MSB
|
||||
buffer[index++] = (byte)(this.messageId & 0x00FF); // LSB
|
||||
|
||||
return buffer;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Parse bytes for a PUBREC message
|
||||
/// </summary>
|
||||
/// <param name="fixedHeaderFirstByte">First fixed header byte</param>
|
||||
/// <param name="protocolVersion">Protocol Version</param>
|
||||
/// <param name="channel">Channel connected to the broker</param>
|
||||
/// <returns>PUBREC message instance</returns>
|
||||
public static MqttMsgPubrec Parse(byte fixedHeaderFirstByte, byte protocolVersion, IMqttNetworkChannel channel)
|
||||
{
|
||||
byte[] buffer;
|
||||
int index = 0;
|
||||
MqttMsgPubrec msg = new MqttMsgPubrec();
|
||||
|
||||
if (protocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1_1)
|
||||
{
|
||||
// [v3.1.1] check flag bits
|
||||
if ((fixedHeaderFirstByte & MSG_FLAG_BITS_MASK) != MQTT_MSG_PUBREC_FLAG_BITS)
|
||||
throw new MqttClientException(MqttClientErrorCode.InvalidFlagBits);
|
||||
}
|
||||
|
||||
// get remaining length and allocate buffer
|
||||
int remainingLength = MqttMsgBase.decodeRemainingLength(channel);
|
||||
buffer = new byte[remainingLength];
|
||||
|
||||
// read bytes from socket...
|
||||
channel.Receive(buffer);
|
||||
|
||||
// message id
|
||||
msg.messageId = (ushort)((buffer[index++] << 8) & 0xFF00);
|
||||
msg.messageId |= (buffer[index++]);
|
||||
|
||||
return msg;
|
||||
}
|
||||
|
||||
public override string ToString()
|
||||
{
|
||||
#if TRACE
|
||||
return this.GetTraceString(
|
||||
"PUBREC",
|
||||
new object[] { "messageId" },
|
||||
new object[] { this.messageId });
|
||||
#else
|
||||
return base.ToString();
|
||||
#endif
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,142 @@
|
||||
/*
|
||||
Copyright (c) 2013, 2014 Paolo Patierno
|
||||
|
||||
All rights reserved. This program and the accompanying materials
|
||||
are made available under the terms of the Eclipse Public License v1.0
|
||||
and Eclipse Distribution License v1.0 which accompany this distribution.
|
||||
|
||||
The Eclipse Public License is available at
|
||||
http://www.eclipse.org/legal/epl-v10.html
|
||||
and the Eclipse Distribution License is available at
|
||||
http://www.eclipse.org/org/documents/edl-v10.php.
|
||||
|
||||
Contributors:
|
||||
Paolo Patierno - initial API and implementation and/or initial documentation
|
||||
*/
|
||||
|
||||
using uPLibrary.Networking.M2Mqtt.Exceptions;
|
||||
|
||||
namespace uPLibrary.Networking.M2Mqtt.Messages
|
||||
{
|
||||
/// <summary>
|
||||
/// Class for PUBREL message from client top broker
|
||||
/// </summary>
|
||||
public class MqttMsgPubrel : MqttMsgBase
|
||||
{
|
||||
/// <summary>
|
||||
/// Constructor
|
||||
/// </summary>
|
||||
public MqttMsgPubrel()
|
||||
{
|
||||
this.type = MQTT_MSG_PUBREL_TYPE;
|
||||
// PUBREL message use QoS Level 1 (not "officially" in 3.1.1)
|
||||
this.qosLevel = QOS_LEVEL_AT_LEAST_ONCE;
|
||||
}
|
||||
|
||||
public override byte[] GetBytes(byte protocolVersion)
|
||||
{
|
||||
int fixedHeaderSize = 0;
|
||||
int varHeaderSize = 0;
|
||||
int payloadSize = 0;
|
||||
int remainingLength = 0;
|
||||
byte[] buffer;
|
||||
int index = 0;
|
||||
|
||||
// message identifier
|
||||
varHeaderSize += MESSAGE_ID_SIZE;
|
||||
|
||||
remainingLength += (varHeaderSize + payloadSize);
|
||||
|
||||
// first byte of fixed header
|
||||
fixedHeaderSize = 1;
|
||||
|
||||
int temp = remainingLength;
|
||||
// increase fixed header size based on remaining length
|
||||
// (each remaining length byte can encode until 128)
|
||||
do
|
||||
{
|
||||
fixedHeaderSize++;
|
||||
temp = temp / 128;
|
||||
} while (temp > 0);
|
||||
|
||||
// allocate buffer for message
|
||||
buffer = new byte[fixedHeaderSize + varHeaderSize + payloadSize];
|
||||
|
||||
// first fixed header byte
|
||||
if (protocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1_1)
|
||||
buffer[index++] = (MQTT_MSG_PUBREL_TYPE << MSG_TYPE_OFFSET) | MQTT_MSG_PUBREL_FLAG_BITS; // [v.3.1.1]
|
||||
else
|
||||
{
|
||||
buffer[index] = (byte)((MQTT_MSG_PUBREL_TYPE << MSG_TYPE_OFFSET) |
|
||||
(this.qosLevel << QOS_LEVEL_OFFSET));
|
||||
buffer[index] |= this.dupFlag ? (byte)(1 << DUP_FLAG_OFFSET) : (byte)0x00;
|
||||
index++;
|
||||
}
|
||||
|
||||
// encode remaining length
|
||||
index = this.encodeRemainingLength(remainingLength, buffer, index);
|
||||
|
||||
// get next message identifier
|
||||
buffer[index++] = (byte)((this.messageId >> 8) & 0x00FF); // MSB
|
||||
buffer[index++] = (byte)(this.messageId & 0x00FF); // LSB
|
||||
|
||||
return buffer;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Parse bytes for a PUBREL message
|
||||
/// </summary>
|
||||
/// <param name="fixedHeaderFirstByte">First fixed header byte</param>
|
||||
/// <param name="protocolVersion">Protocol Version</param>
|
||||
/// <param name="channel">Channel connected to the broker</param>
|
||||
/// <returns>PUBREL message instance</returns>
|
||||
public static MqttMsgPubrel Parse(byte fixedHeaderFirstByte, byte protocolVersion, IMqttNetworkChannel channel)
|
||||
{
|
||||
byte[] buffer;
|
||||
int index = 0;
|
||||
MqttMsgPubrel msg = new MqttMsgPubrel();
|
||||
|
||||
if (protocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1_1)
|
||||
{
|
||||
// [v3.1.1] check flag bits
|
||||
if ((fixedHeaderFirstByte & MSG_FLAG_BITS_MASK) != MQTT_MSG_PUBREL_FLAG_BITS)
|
||||
throw new MqttClientException(MqttClientErrorCode.InvalidFlagBits);
|
||||
}
|
||||
|
||||
// get remaining length and allocate buffer
|
||||
int remainingLength = MqttMsgBase.decodeRemainingLength(channel);
|
||||
buffer = new byte[remainingLength];
|
||||
|
||||
// read bytes from socket...
|
||||
channel.Receive(buffer);
|
||||
|
||||
if (protocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1)
|
||||
{
|
||||
// only 3.1.0
|
||||
|
||||
// read QoS level from fixed header (would be QoS Level 1)
|
||||
msg.qosLevel = (byte)((fixedHeaderFirstByte & QOS_LEVEL_MASK) >> QOS_LEVEL_OFFSET);
|
||||
// read DUP flag from fixed header
|
||||
msg.dupFlag = (((fixedHeaderFirstByte & DUP_FLAG_MASK) >> DUP_FLAG_OFFSET) == 0x01);
|
||||
}
|
||||
|
||||
// message id
|
||||
msg.messageId = (ushort)((buffer[index++] << 8) & 0xFF00);
|
||||
msg.messageId |= (buffer[index++]);
|
||||
|
||||
return msg;
|
||||
}
|
||||
|
||||
public override string ToString()
|
||||
{
|
||||
#if TRACE
|
||||
return this.GetTraceString(
|
||||
"PUBREL",
|
||||
new object[] { "messageId" },
|
||||
new object[] { this.messageId });
|
||||
#else
|
||||
return base.ToString();
|
||||
#endif
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,162 @@
|
||||
/*
|
||||
Copyright (c) 2013, 2014 Paolo Patierno
|
||||
|
||||
All rights reserved. This program and the accompanying materials
|
||||
are made available under the terms of the Eclipse Public License v1.0
|
||||
and Eclipse Distribution License v1.0 which accompany this distribution.
|
||||
|
||||
The Eclipse Public License is available at
|
||||
http://www.eclipse.org/legal/epl-v10.html
|
||||
and the Eclipse Distribution License is available at
|
||||
http://www.eclipse.org/org/documents/edl-v10.php.
|
||||
|
||||
Contributors:
|
||||
Paolo Patierno - initial API and implementation and/or initial documentation
|
||||
*/
|
||||
|
||||
using System;
|
||||
using uPLibrary.Networking.M2Mqtt.Exceptions;
|
||||
|
||||
namespace uPLibrary.Networking.M2Mqtt.Messages
|
||||
{
|
||||
/// <summary>
|
||||
/// Class for SUBACK message from broker to client
|
||||
/// </summary>
|
||||
public class MqttMsgSuback : MqttMsgBase
|
||||
{
|
||||
#region Properties...
|
||||
|
||||
/// <summary>
|
||||
/// List of granted QOS Levels
|
||||
/// </summary>
|
||||
public byte[] GrantedQoSLevels
|
||||
{
|
||||
get { return this.grantedQosLevels; }
|
||||
set { this.grantedQosLevels = value; }
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
// granted QOS levels
|
||||
byte[] grantedQosLevels;
|
||||
|
||||
/// <summary>
|
||||
/// Constructor
|
||||
/// </summary>
|
||||
public MqttMsgSuback()
|
||||
{
|
||||
this.type = MQTT_MSG_SUBACK_TYPE;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Parse bytes for a SUBACK message
|
||||
/// </summary>
|
||||
/// <param name="fixedHeaderFirstByte">First fixed header byte</param>
|
||||
/// <param name="protocolVersion">Protocol Version</param>
|
||||
/// <param name="channel">Channel connected to the broker</param>
|
||||
/// <returns>SUBACK message instance</returns>
|
||||
public static MqttMsgSuback Parse(byte fixedHeaderFirstByte, byte protocolVersion, IMqttNetworkChannel channel)
|
||||
{
|
||||
byte[] buffer;
|
||||
int index = 0;
|
||||
MqttMsgSuback msg = new MqttMsgSuback();
|
||||
|
||||
if (protocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1_1)
|
||||
{
|
||||
// [v3.1.1] check flag bits
|
||||
if ((fixedHeaderFirstByte & MSG_FLAG_BITS_MASK) != MQTT_MSG_SUBACK_FLAG_BITS)
|
||||
throw new MqttClientException(MqttClientErrorCode.InvalidFlagBits);
|
||||
}
|
||||
|
||||
// get remaining length and allocate buffer
|
||||
int remainingLength = MqttMsgBase.decodeRemainingLength(channel);
|
||||
buffer = new byte[remainingLength];
|
||||
|
||||
// read bytes from socket...
|
||||
channel.Receive(buffer);
|
||||
|
||||
// message id
|
||||
msg.messageId = (ushort)((buffer[index++] << 8) & 0xFF00);
|
||||
msg.messageId |= (buffer[index++]);
|
||||
|
||||
// payload contains QoS levels granted
|
||||
msg.grantedQosLevels = new byte[remainingLength - MESSAGE_ID_SIZE];
|
||||
int qosIdx = 0;
|
||||
do
|
||||
{
|
||||
msg.grantedQosLevels[qosIdx++] = buffer[index++];
|
||||
} while (index < remainingLength);
|
||||
|
||||
return msg;
|
||||
}
|
||||
|
||||
public override byte[] GetBytes(byte protocolVersion)
|
||||
{
|
||||
int fixedHeaderSize = 0;
|
||||
int varHeaderSize = 0;
|
||||
int payloadSize = 0;
|
||||
int remainingLength = 0;
|
||||
byte[] buffer;
|
||||
int index = 0;
|
||||
|
||||
// message identifier
|
||||
varHeaderSize += MESSAGE_ID_SIZE;
|
||||
|
||||
int grantedQosIdx = 0;
|
||||
for (grantedQosIdx = 0; grantedQosIdx < this.grantedQosLevels.Length; grantedQosIdx++)
|
||||
{
|
||||
payloadSize++;
|
||||
}
|
||||
|
||||
remainingLength += (varHeaderSize + payloadSize);
|
||||
|
||||
// first byte of fixed header
|
||||
fixedHeaderSize = 1;
|
||||
|
||||
int temp = remainingLength;
|
||||
// increase fixed header size based on remaining length
|
||||
// (each remaining length byte can encode until 128)
|
||||
do
|
||||
{
|
||||
fixedHeaderSize++;
|
||||
temp = temp / 128;
|
||||
} while (temp > 0);
|
||||
|
||||
// allocate buffer for message
|
||||
buffer = new byte[fixedHeaderSize + varHeaderSize + payloadSize];
|
||||
|
||||
// first fixed header byte
|
||||
if (protocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1_1)
|
||||
buffer[index++] = (MQTT_MSG_SUBACK_TYPE << MSG_TYPE_OFFSET) | MQTT_MSG_SUBACK_FLAG_BITS; // [v.3.1.1]
|
||||
else
|
||||
buffer[index++] = (byte)(MQTT_MSG_SUBACK_TYPE << MSG_TYPE_OFFSET);
|
||||
|
||||
// encode remaining length
|
||||
index = this.encodeRemainingLength(remainingLength, buffer, index);
|
||||
|
||||
// message id
|
||||
buffer[index++] = (byte)((this.messageId >> 8) & 0x00FF); // MSB
|
||||
buffer[index++] = (byte)(this.messageId & 0x00FF); // LSB
|
||||
|
||||
// payload contains QoS levels granted
|
||||
for (grantedQosIdx = 0; grantedQosIdx < this.grantedQosLevels.Length; grantedQosIdx++)
|
||||
{
|
||||
buffer[index++] = this.grantedQosLevels[grantedQosIdx];
|
||||
}
|
||||
|
||||
return buffer;
|
||||
}
|
||||
|
||||
public override string ToString()
|
||||
{
|
||||
#if TRACE
|
||||
return this.GetTraceString(
|
||||
"SUBACK",
|
||||
new object[] { "messageId", "grantedQosLevels" },
|
||||
new object[] { this.messageId, this.grantedQosLevels });
|
||||
#else
|
||||
return base.ToString();
|
||||
#endif
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,272 @@
|
||||
/*
|
||||
Copyright (c) 2013, 2014 Paolo Patierno
|
||||
|
||||
All rights reserved. This program and the accompanying materials
|
||||
are made available under the terms of the Eclipse Public License v1.0
|
||||
and Eclipse Distribution License v1.0 which accompany this distribution.
|
||||
|
||||
The Eclipse Public License is available at
|
||||
http://www.eclipse.org/legal/epl-v10.html
|
||||
and the Eclipse Distribution License is available at
|
||||
http://www.eclipse.org/org/documents/edl-v10.php.
|
||||
|
||||
Contributors:
|
||||
Paolo Patierno - initial API and implementation and/or initial documentation
|
||||
*/
|
||||
|
||||
using System;
|
||||
// if NOT .Net Micro Framework
|
||||
#if (!MF_FRAMEWORK_VERSION_V4_2 && !MF_FRAMEWORK_VERSION_V4_3)
|
||||
using System.Collections.Generic;
|
||||
#endif
|
||||
using System.Collections;
|
||||
using System.Text;
|
||||
using uPLibrary.Networking.M2Mqtt.Exceptions;
|
||||
|
||||
namespace uPLibrary.Networking.M2Mqtt.Messages
|
||||
{
|
||||
/// <summary>
|
||||
/// Class for SUBSCRIBE message from client to broker
|
||||
/// </summary>
|
||||
public class MqttMsgSubscribe : MqttMsgBase
|
||||
{
|
||||
#region Properties...
|
||||
|
||||
/// <summary>
|
||||
/// List of topics to subscribe
|
||||
/// </summary>
|
||||
public string[] Topics
|
||||
{
|
||||
get { return this.topics; }
|
||||
set { this.topics = value; }
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// List of QOS Levels related to topics
|
||||
/// </summary>
|
||||
public byte[] QoSLevels
|
||||
{
|
||||
get { return this.qosLevels; }
|
||||
set { this.qosLevels = value; }
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
// topics to subscribe
|
||||
string[] topics;
|
||||
// QOS levels related to topics
|
||||
byte[] qosLevels;
|
||||
|
||||
/// <summary>
|
||||
/// Constructor
|
||||
/// </summary>
|
||||
public MqttMsgSubscribe()
|
||||
{
|
||||
this.type = MQTT_MSG_SUBSCRIBE_TYPE;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Constructor
|
||||
/// </summary>
|
||||
/// <param name="topics">List of topics to subscribe</param>
|
||||
/// <param name="qosLevels">List of QOS Levels related to topics</param>
|
||||
public MqttMsgSubscribe(string[] topics, byte[] qosLevels)
|
||||
{
|
||||
this.type = MQTT_MSG_SUBSCRIBE_TYPE;
|
||||
|
||||
this.topics = topics;
|
||||
this.qosLevels = qosLevels;
|
||||
|
||||
// SUBSCRIBE message uses QoS Level 1 (not "officially" in 3.1.1)
|
||||
this.qosLevel = QOS_LEVEL_AT_LEAST_ONCE;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Parse bytes for a SUBSCRIBE message
|
||||
/// </summary>
|
||||
/// <param name="fixedHeaderFirstByte">First fixed header byte</param>
|
||||
/// <param name="protocolVersion">Protocol Version</param>
|
||||
/// <param name="channel">Channel connected to the broker</param>
|
||||
/// <returns>SUBSCRIBE message instance</returns>
|
||||
public static MqttMsgSubscribe Parse(byte fixedHeaderFirstByte, byte protocolVersion, IMqttNetworkChannel channel)
|
||||
{
|
||||
byte[] buffer;
|
||||
int index = 0;
|
||||
byte[] topicUtf8;
|
||||
int topicUtf8Length;
|
||||
MqttMsgSubscribe msg = new MqttMsgSubscribe();
|
||||
|
||||
if (protocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1_1)
|
||||
{
|
||||
// [v3.1.1] check flag bits
|
||||
if ((fixedHeaderFirstByte & MSG_FLAG_BITS_MASK) != MQTT_MSG_SUBSCRIBE_FLAG_BITS)
|
||||
throw new MqttClientException(MqttClientErrorCode.InvalidFlagBits);
|
||||
}
|
||||
|
||||
// get remaining length and allocate buffer
|
||||
int remainingLength = MqttMsgBase.decodeRemainingLength(channel);
|
||||
buffer = new byte[remainingLength];
|
||||
|
||||
// read bytes from socket...
|
||||
int received = channel.Receive(buffer);
|
||||
|
||||
if (protocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1)
|
||||
{
|
||||
// only 3.1.0
|
||||
|
||||
// read QoS level from fixed header
|
||||
msg.qosLevel = (byte)((fixedHeaderFirstByte & QOS_LEVEL_MASK) >> QOS_LEVEL_OFFSET);
|
||||
// read DUP flag from fixed header
|
||||
msg.dupFlag = (((fixedHeaderFirstByte & DUP_FLAG_MASK) >> DUP_FLAG_OFFSET) == 0x01);
|
||||
// retain flag not used
|
||||
msg.retain = false;
|
||||
}
|
||||
|
||||
// message id
|
||||
msg.messageId = (ushort)((buffer[index++] << 8) & 0xFF00);
|
||||
msg.messageId |= (buffer[index++]);
|
||||
|
||||
// payload contains topics and QoS levels
|
||||
// NOTE : before, I don't know how many topics will be in the payload (so use List)
|
||||
|
||||
// if .Net Micro Framework
|
||||
#if (MF_FRAMEWORK_VERSION_V4_2 || MF_FRAMEWORK_VERSION_V4_3)
|
||||
IList tmpTopics = new ArrayList();
|
||||
IList tmpQosLevels = new ArrayList();
|
||||
// else other frameworks (.Net, .Net Compact, Mono, Windows Phone)
|
||||
#else
|
||||
IList<String> tmpTopics = new List<String>();
|
||||
IList<byte> tmpQosLevels = new List<byte>();
|
||||
#endif
|
||||
do
|
||||
{
|
||||
// topic name
|
||||
topicUtf8Length = ((buffer[index++] << 8) & 0xFF00);
|
||||
topicUtf8Length |= buffer[index++];
|
||||
topicUtf8 = new byte[topicUtf8Length];
|
||||
Array.Copy(buffer, index, topicUtf8, 0, topicUtf8Length);
|
||||
index += topicUtf8Length;
|
||||
tmpTopics.Add(new String(Encoding.UTF8.GetChars(topicUtf8)));
|
||||
|
||||
// QoS level
|
||||
tmpQosLevels.Add(buffer[index++]);
|
||||
|
||||
} while (index < remainingLength);
|
||||
|
||||
// copy from list to array
|
||||
msg.topics = new string[tmpTopics.Count];
|
||||
msg.qosLevels = new byte[tmpQosLevels.Count];
|
||||
for (int i = 0; i < tmpTopics.Count; i++)
|
||||
{
|
||||
msg.topics[i] = (string)tmpTopics[i];
|
||||
msg.qosLevels[i] = (byte)tmpQosLevels[i];
|
||||
}
|
||||
|
||||
return msg;
|
||||
}
|
||||
|
||||
public override byte[] GetBytes(byte protocolVersion)
|
||||
{
|
||||
int fixedHeaderSize = 0;
|
||||
int varHeaderSize = 0;
|
||||
int payloadSize = 0;
|
||||
int remainingLength = 0;
|
||||
byte[] buffer;
|
||||
int index = 0;
|
||||
|
||||
// topics list empty
|
||||
if ((this.topics == null) || (this.topics.Length == 0))
|
||||
throw new MqttClientException(MqttClientErrorCode.TopicsEmpty);
|
||||
|
||||
// qos levels list empty
|
||||
if ((this.qosLevels == null) || (this.qosLevels.Length == 0))
|
||||
throw new MqttClientException(MqttClientErrorCode.QosLevelsEmpty);
|
||||
|
||||
// topics and qos levels lists length don't match
|
||||
if (this.topics.Length != this.qosLevels.Length)
|
||||
throw new MqttClientException(MqttClientErrorCode.TopicsQosLevelsNotMatch);
|
||||
|
||||
// message identifier
|
||||
varHeaderSize += MESSAGE_ID_SIZE;
|
||||
|
||||
int topicIdx = 0;
|
||||
byte[][] topicsUtf8 = new byte[this.topics.Length][];
|
||||
|
||||
for (topicIdx = 0; topicIdx < this.topics.Length; topicIdx++)
|
||||
{
|
||||
// check topic length
|
||||
if ((this.topics[topicIdx].Length < MIN_TOPIC_LENGTH) || (this.topics[topicIdx].Length > MAX_TOPIC_LENGTH))
|
||||
throw new MqttClientException(MqttClientErrorCode.TopicLength);
|
||||
|
||||
topicsUtf8[topicIdx] = Encoding.UTF8.GetBytes(this.topics[topicIdx]);
|
||||
payloadSize += 2; // topic size (MSB, LSB)
|
||||
payloadSize += topicsUtf8[topicIdx].Length;
|
||||
payloadSize++; // byte for QoS
|
||||
}
|
||||
|
||||
remainingLength += (varHeaderSize + payloadSize);
|
||||
|
||||
// first byte of fixed header
|
||||
fixedHeaderSize = 1;
|
||||
|
||||
int temp = remainingLength;
|
||||
// increase fixed header size based on remaining length
|
||||
// (each remaining length byte can encode until 128)
|
||||
do
|
||||
{
|
||||
fixedHeaderSize++;
|
||||
temp = temp / 128;
|
||||
} while (temp > 0);
|
||||
|
||||
// allocate buffer for message
|
||||
buffer = new byte[fixedHeaderSize + varHeaderSize + payloadSize];
|
||||
|
||||
// first fixed header byte
|
||||
if (protocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1_1)
|
||||
buffer[index++] = (MQTT_MSG_SUBSCRIBE_TYPE << MSG_TYPE_OFFSET) | MQTT_MSG_SUBSCRIBE_FLAG_BITS; // [v.3.1.1]
|
||||
else
|
||||
{
|
||||
buffer[index] = (byte)((MQTT_MSG_SUBSCRIBE_TYPE << MSG_TYPE_OFFSET) |
|
||||
(this.qosLevel << QOS_LEVEL_OFFSET));
|
||||
buffer[index] |= this.dupFlag ? (byte)(1 << DUP_FLAG_OFFSET) : (byte)0x00;
|
||||
index++;
|
||||
}
|
||||
|
||||
// encode remaining length
|
||||
index = this.encodeRemainingLength(remainingLength, buffer, index);
|
||||
|
||||
// check message identifier assigned (SUBSCRIBE uses QoS Level 1, so message id is mandatory)
|
||||
if (this.messageId == 0)
|
||||
throw new MqttClientException(MqttClientErrorCode.WrongMessageId);
|
||||
buffer[index++] = (byte)((messageId >> 8) & 0x00FF); // MSB
|
||||
buffer[index++] = (byte)(messageId & 0x00FF); // LSB
|
||||
|
||||
topicIdx = 0;
|
||||
for (topicIdx = 0; topicIdx < this.topics.Length; topicIdx++)
|
||||
{
|
||||
// topic name
|
||||
buffer[index++] = (byte)((topicsUtf8[topicIdx].Length >> 8) & 0x00FF); // MSB
|
||||
buffer[index++] = (byte)(topicsUtf8[topicIdx].Length & 0x00FF); // LSB
|
||||
Array.Copy(topicsUtf8[topicIdx], 0, buffer, index, topicsUtf8[topicIdx].Length);
|
||||
index += topicsUtf8[topicIdx].Length;
|
||||
|
||||
// requested QoS
|
||||
buffer[index++] = this.qosLevels[topicIdx];
|
||||
}
|
||||
|
||||
return buffer;
|
||||
}
|
||||
|
||||
public override string ToString()
|
||||
{
|
||||
#if TRACE
|
||||
return this.GetTraceString(
|
||||
"SUBSCRIBE",
|
||||
new object[] { "messageId", "topics", "qosLevels" },
|
||||
new object[] { this.messageId, this.topics, this.qosLevels });
|
||||
#else
|
||||
return base.ToString();
|
||||
#endif
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,81 @@
|
||||
/*
|
||||
Copyright (c) 2013, 2014 Paolo Patierno
|
||||
|
||||
All rights reserved. This program and the accompanying materials
|
||||
are made available under the terms of the Eclipse Public License v1.0
|
||||
and Eclipse Distribution License v1.0 which accompany this distribution.
|
||||
|
||||
The Eclipse Public License is available at
|
||||
http://www.eclipse.org/legal/epl-v10.html
|
||||
and the Eclipse Distribution License is available at
|
||||
http://www.eclipse.org/org/documents/edl-v10.php.
|
||||
|
||||
Contributors:
|
||||
Paolo Patierno - initial API and implementation and/or initial documentation
|
||||
*/
|
||||
|
||||
#if (!MF_FRAMEWORK_VERSION_V4_2 && !MF_FRAMEWORK_VERSION_V4_3)
|
||||
using System;
|
||||
#else
|
||||
using Microsoft.SPOT;
|
||||
#endif
|
||||
|
||||
namespace uPLibrary.Networking.M2Mqtt.Messages
|
||||
{
|
||||
/// <summary>
|
||||
/// Event Args class for subscribe request on topics
|
||||
/// </summary>
|
||||
public class MqttMsgSubscribeEventArgs : EventArgs
|
||||
{
|
||||
#region Properties...
|
||||
|
||||
/// <summary>
|
||||
/// Message identifier
|
||||
/// </summary>
|
||||
public ushort MessageId
|
||||
{
|
||||
get { return this.messageId; }
|
||||
internal set { this.messageId = value; }
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Topics requested to subscribe
|
||||
/// </summary>
|
||||
public string[] Topics
|
||||
{
|
||||
get { return this.topics; }
|
||||
internal set { this.topics = value; }
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// List of QOS Levels requested
|
||||
/// </summary>
|
||||
public byte[] QoSLevels
|
||||
{
|
||||
get { return this.qosLevels; }
|
||||
internal set { this.qosLevels = value; }
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
// message identifier
|
||||
ushort messageId;
|
||||
// topics requested to subscribe
|
||||
string[] topics;
|
||||
// QoS levels requested
|
||||
byte[] qosLevels;
|
||||
|
||||
/// <summary>
|
||||
/// Constructor
|
||||
/// </summary>
|
||||
/// <param name="messageId">Message identifier for subscribe topics request</param>
|
||||
/// <param name="topics">Topics requested to subscribe</param>
|
||||
/// <param name="qosLevels">List of QOS Levels requested</param>
|
||||
public MqttMsgSubscribeEventArgs(ushort messageId, string[] topics, byte[] qosLevels)
|
||||
{
|
||||
this.messageId = messageId;
|
||||
this.topics = topics;
|
||||
this.qosLevels = qosLevels;
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,68 @@
|
||||
/*
|
||||
Copyright (c) 2013, 2014 Paolo Patierno
|
||||
|
||||
All rights reserved. This program and the accompanying materials
|
||||
are made available under the terms of the Eclipse Public License v1.0
|
||||
and Eclipse Distribution License v1.0 which accompany this distribution.
|
||||
|
||||
The Eclipse Public License is available at
|
||||
http://www.eclipse.org/legal/epl-v10.html
|
||||
and the Eclipse Distribution License is available at
|
||||
http://www.eclipse.org/org/documents/edl-v10.php.
|
||||
|
||||
Contributors:
|
||||
Paolo Patierno - initial API and implementation and/or initial documentation
|
||||
*/
|
||||
|
||||
#if (!MF_FRAMEWORK_VERSION_V4_2 && !MF_FRAMEWORK_VERSION_V4_3)
|
||||
using System;
|
||||
#else
|
||||
using Microsoft.SPOT;
|
||||
#endif
|
||||
|
||||
namespace uPLibrary.Networking.M2Mqtt.Messages
|
||||
{
|
||||
/// <summary>
|
||||
/// Event Args class for subscribed topics
|
||||
/// </summary>
|
||||
public class MqttMsgSubscribedEventArgs : EventArgs
|
||||
{
|
||||
#region Properties...
|
||||
|
||||
/// <summary>
|
||||
/// Message identifier
|
||||
/// </summary>
|
||||
public ushort MessageId
|
||||
{
|
||||
get { return this.messageId; }
|
||||
internal set { this.messageId = value; }
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// List of granted QOS Levels
|
||||
/// </summary>
|
||||
public byte[] GrantedQoSLevels
|
||||
{
|
||||
get { return this.grantedQosLevels; }
|
||||
internal set { this.grantedQosLevels = value; }
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
// message identifier
|
||||
ushort messageId;
|
||||
// granted QOS levels
|
||||
byte[] grantedQosLevels;
|
||||
|
||||
/// <summary>
|
||||
/// Constructor
|
||||
/// </summary>
|
||||
/// <param name="messageId">Message identifier for subscribed topics</param>
|
||||
/// <param name="grantedQosLevels">List of granted QOS Levels</param>
|
||||
public MqttMsgSubscribedEventArgs(ushort messageId, byte[] grantedQosLevels)
|
||||
{
|
||||
this.messageId = messageId;
|
||||
this.grantedQosLevels = grantedQosLevels;
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,126 @@
|
||||
/*
|
||||
Copyright (c) 2013, 2014 Paolo Patierno
|
||||
|
||||
All rights reserved. This program and the accompanying materials
|
||||
are made available under the terms of the Eclipse Public License v1.0
|
||||
and Eclipse Distribution License v1.0 which accompany this distribution.
|
||||
|
||||
The Eclipse Public License is available at
|
||||
http://www.eclipse.org/legal/epl-v10.html
|
||||
and the Eclipse Distribution License is available at
|
||||
http://www.eclipse.org/org/documents/edl-v10.php.
|
||||
|
||||
Contributors:
|
||||
Paolo Patierno - initial API and implementation and/or initial documentation
|
||||
*/
|
||||
|
||||
using System;
|
||||
using uPLibrary.Networking.M2Mqtt.Exceptions;
|
||||
|
||||
namespace uPLibrary.Networking.M2Mqtt.Messages
|
||||
{
|
||||
/// <summary>
|
||||
/// Class for UNSUBACK message from broker to client
|
||||
/// </summary>
|
||||
public class MqttMsgUnsuback : MqttMsgBase
|
||||
{
|
||||
/// <summary>
|
||||
/// Constructor
|
||||
/// </summary>
|
||||
public MqttMsgUnsuback()
|
||||
{
|
||||
this.type = MQTT_MSG_UNSUBACK_TYPE;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Parse bytes for a UNSUBACK message
|
||||
/// </summary>
|
||||
/// <param name="fixedHeaderFirstByte">First fixed header byte</param>
|
||||
/// <param name="protocolVersion">Protocol Version</param>
|
||||
/// <param name="channel">Channel connected to the broker</param>
|
||||
/// <returns>UNSUBACK message instance</returns>
|
||||
public static MqttMsgUnsuback Parse(byte fixedHeaderFirstByte, byte protocolVersion, IMqttNetworkChannel channel)
|
||||
{
|
||||
byte[] buffer;
|
||||
int index = 0;
|
||||
MqttMsgUnsuback msg = new MqttMsgUnsuback();
|
||||
|
||||
if (protocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1_1)
|
||||
{
|
||||
// [v3.1.1] check flag bits
|
||||
if ((fixedHeaderFirstByte & MSG_FLAG_BITS_MASK) != MQTT_MSG_UNSUBACK_FLAG_BITS)
|
||||
throw new MqttClientException(MqttClientErrorCode.InvalidFlagBits);
|
||||
}
|
||||
|
||||
// get remaining length and allocate buffer
|
||||
int remainingLength = MqttMsgBase.decodeRemainingLength(channel);
|
||||
buffer = new byte[remainingLength];
|
||||
|
||||
// read bytes from socket...
|
||||
channel.Receive(buffer);
|
||||
|
||||
// message id
|
||||
msg.messageId = (ushort)((buffer[index++] << 8) & 0xFF00);
|
||||
msg.messageId |= (buffer[index++]);
|
||||
|
||||
return msg;
|
||||
}
|
||||
|
||||
public override byte[] GetBytes(byte protocolVersion)
|
||||
{
|
||||
int fixedHeaderSize = 0;
|
||||
int varHeaderSize = 0;
|
||||
int payloadSize = 0;
|
||||
int remainingLength = 0;
|
||||
byte[] buffer;
|
||||
int index = 0;
|
||||
|
||||
// message identifier
|
||||
varHeaderSize += MESSAGE_ID_SIZE;
|
||||
|
||||
remainingLength += (varHeaderSize + payloadSize);
|
||||
|
||||
// first byte of fixed header
|
||||
fixedHeaderSize = 1;
|
||||
|
||||
int temp = remainingLength;
|
||||
// increase fixed header size based on remaining length
|
||||
// (each remaining length byte can encode until 128)
|
||||
do
|
||||
{
|
||||
fixedHeaderSize++;
|
||||
temp = temp / 128;
|
||||
} while (temp > 0);
|
||||
|
||||
// allocate buffer for message
|
||||
buffer = new byte[fixedHeaderSize + varHeaderSize + payloadSize];
|
||||
|
||||
// first fixed header byte
|
||||
if (protocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1_1)
|
||||
buffer[index++] = (MQTT_MSG_UNSUBACK_TYPE << MSG_TYPE_OFFSET) | MQTT_MSG_UNSUBACK_FLAG_BITS; // [v.3.1.1]
|
||||
else
|
||||
buffer[index++] = (byte)(MQTT_MSG_UNSUBACK_TYPE << MSG_TYPE_OFFSET);
|
||||
|
||||
// encode remaining length
|
||||
index = this.encodeRemainingLength(remainingLength, buffer, index);
|
||||
|
||||
// message id
|
||||
buffer[index++] = (byte)((this.messageId >> 8) & 0x00FF); // MSB
|
||||
buffer[index++] = (byte)(this.messageId & 0x00FF); // LSB
|
||||
|
||||
return buffer;
|
||||
}
|
||||
|
||||
public override string ToString()
|
||||
{
|
||||
#if TRACE
|
||||
return this.GetTraceString(
|
||||
"UNSUBACK",
|
||||
new object[] { "messageId" },
|
||||
new object[] { this.messageId });
|
||||
#else
|
||||
return base.ToString();
|
||||
#endif
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,239 @@
|
||||
/*
|
||||
Copyright (c) 2013, 2014 Paolo Patierno
|
||||
|
||||
All rights reserved. This program and the accompanying materials
|
||||
are made available under the terms of the Eclipse Public License v1.0
|
||||
and Eclipse Distribution License v1.0 which accompany this distribution.
|
||||
|
||||
The Eclipse Public License is available at
|
||||
http://www.eclipse.org/legal/epl-v10.html
|
||||
and the Eclipse Distribution License is available at
|
||||
http://www.eclipse.org/org/documents/edl-v10.php.
|
||||
|
||||
Contributors:
|
||||
Paolo Patierno - initial API and implementation and/or initial documentation
|
||||
*/
|
||||
|
||||
using System;
|
||||
// if NOT .Net Micro Framework
|
||||
#if (!MF_FRAMEWORK_VERSION_V4_2 && !MF_FRAMEWORK_VERSION_V4_3)
|
||||
using System.Collections.Generic;
|
||||
#endif
|
||||
using System.Collections;
|
||||
using System.Text;
|
||||
using uPLibrary.Networking.M2Mqtt.Exceptions;
|
||||
|
||||
namespace uPLibrary.Networking.M2Mqtt.Messages
|
||||
{
|
||||
/// <summary>
|
||||
/// Class for UNSUBSCRIBE message from client to broker
|
||||
/// </summary>
|
||||
public class MqttMsgUnsubscribe : MqttMsgBase
|
||||
{
|
||||
#region Properties...
|
||||
|
||||
/// <summary>
|
||||
/// List of topics to unsubscribe
|
||||
/// </summary>
|
||||
public string[] Topics
|
||||
{
|
||||
get { return this.topics; }
|
||||
set { this.topics = value; }
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
// topics to unsubscribe
|
||||
string[] topics;
|
||||
|
||||
/// <summary>
|
||||
/// Constructor
|
||||
/// </summary>
|
||||
public MqttMsgUnsubscribe()
|
||||
{
|
||||
this.type = MQTT_MSG_UNSUBSCRIBE_TYPE;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Constructor
|
||||
/// </summary>
|
||||
/// <param name="topics">List of topics to unsubscribe</param>
|
||||
public MqttMsgUnsubscribe(string[] topics)
|
||||
{
|
||||
this.type = MQTT_MSG_UNSUBSCRIBE_TYPE;
|
||||
|
||||
this.topics = topics;
|
||||
|
||||
// UNSUBSCRIBE message uses QoS Level 1 (not "officially" in 3.1.1)
|
||||
this.qosLevel = QOS_LEVEL_AT_LEAST_ONCE;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Parse bytes for a UNSUBSCRIBE message
|
||||
/// </summary>
|
||||
/// <param name="fixedHeaderFirstByte">First fixed header byte</param>
|
||||
/// <param name="protocolVersion">Protocol Version</param>
|
||||
/// <param name="channel">Channel connected to the broker</param>
|
||||
/// <returns>UNSUBSCRIBE message instance</returns>
|
||||
public static MqttMsgUnsubscribe Parse(byte fixedHeaderFirstByte, byte protocolVersion, IMqttNetworkChannel channel)
|
||||
{
|
||||
byte[] buffer;
|
||||
int index = 0;
|
||||
byte[] topicUtf8;
|
||||
int topicUtf8Length;
|
||||
MqttMsgUnsubscribe msg = new MqttMsgUnsubscribe();
|
||||
|
||||
if (protocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1_1)
|
||||
{
|
||||
// [v3.1.1] check flag bits
|
||||
if ((fixedHeaderFirstByte & MSG_FLAG_BITS_MASK) != MQTT_MSG_UNSUBSCRIBE_FLAG_BITS)
|
||||
throw new MqttClientException(MqttClientErrorCode.InvalidFlagBits);
|
||||
}
|
||||
|
||||
// get remaining length and allocate buffer
|
||||
int remainingLength = MqttMsgBase.decodeRemainingLength(channel);
|
||||
buffer = new byte[remainingLength];
|
||||
|
||||
// read bytes from socket...
|
||||
int received = channel.Receive(buffer);
|
||||
|
||||
if (protocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1)
|
||||
{
|
||||
// only 3.1.0
|
||||
|
||||
// read QoS level from fixed header
|
||||
msg.qosLevel = (byte)((fixedHeaderFirstByte & QOS_LEVEL_MASK) >> QOS_LEVEL_OFFSET);
|
||||
// read DUP flag from fixed header
|
||||
msg.dupFlag = (((fixedHeaderFirstByte & DUP_FLAG_MASK) >> DUP_FLAG_OFFSET) == 0x01);
|
||||
// retain flag not used
|
||||
msg.retain = false;
|
||||
}
|
||||
|
||||
// message id
|
||||
msg.messageId = (ushort)((buffer[index++] << 8) & 0xFF00);
|
||||
msg.messageId |= (buffer[index++]);
|
||||
|
||||
// payload contains topics
|
||||
// NOTE : before, I don't know how many topics will be in the payload (so use List)
|
||||
|
||||
// if .Net Micro Framework
|
||||
#if (MF_FRAMEWORK_VERSION_V4_2 || MF_FRAMEWORK_VERSION_V4_3)
|
||||
IList tmpTopics = new ArrayList();
|
||||
// else other frameworks (.Net, .Net Compact, Mono, Windows Phone)
|
||||
#else
|
||||
IList<String> tmpTopics = new List<String>();
|
||||
#endif
|
||||
do
|
||||
{
|
||||
// topic name
|
||||
topicUtf8Length = ((buffer[index++] << 8) & 0xFF00);
|
||||
topicUtf8Length |= buffer[index++];
|
||||
topicUtf8 = new byte[topicUtf8Length];
|
||||
Array.Copy(buffer, index, topicUtf8, 0, topicUtf8Length);
|
||||
index += topicUtf8Length;
|
||||
tmpTopics.Add(new String(Encoding.UTF8.GetChars(topicUtf8)));
|
||||
} while (index < remainingLength);
|
||||
|
||||
// copy from list to array
|
||||
msg.topics = new string[tmpTopics.Count];
|
||||
for (int i = 0; i < tmpTopics.Count; i++)
|
||||
{
|
||||
msg.topics[i] = (string)tmpTopics[i];
|
||||
}
|
||||
|
||||
return msg;
|
||||
}
|
||||
|
||||
public override byte[] GetBytes(byte protocolVersion)
|
||||
{
|
||||
int fixedHeaderSize = 0;
|
||||
int varHeaderSize = 0;
|
||||
int payloadSize = 0;
|
||||
int remainingLength = 0;
|
||||
byte[] buffer;
|
||||
int index = 0;
|
||||
|
||||
// topics list empty
|
||||
if ((this.topics == null) || (this.topics.Length == 0))
|
||||
throw new MqttClientException(MqttClientErrorCode.TopicsEmpty);
|
||||
|
||||
// message identifier
|
||||
varHeaderSize += MESSAGE_ID_SIZE;
|
||||
|
||||
int topicIdx = 0;
|
||||
byte[][] topicsUtf8 = new byte[this.topics.Length][];
|
||||
|
||||
for (topicIdx = 0; topicIdx < this.topics.Length; topicIdx++)
|
||||
{
|
||||
// check topic length
|
||||
if ((this.topics[topicIdx].Length < MIN_TOPIC_LENGTH) || (this.topics[topicIdx].Length > MAX_TOPIC_LENGTH))
|
||||
throw new MqttClientException(MqttClientErrorCode.TopicLength);
|
||||
|
||||
topicsUtf8[topicIdx] = Encoding.UTF8.GetBytes(this.topics[topicIdx]);
|
||||
payloadSize += 2; // topic size (MSB, LSB)
|
||||
payloadSize += topicsUtf8[topicIdx].Length;
|
||||
}
|
||||
|
||||
remainingLength += (varHeaderSize + payloadSize);
|
||||
|
||||
// first byte of fixed header
|
||||
fixedHeaderSize = 1;
|
||||
|
||||
int temp = remainingLength;
|
||||
// increase fixed header size based on remaining length
|
||||
// (each remaining length byte can encode until 128)
|
||||
do
|
||||
{
|
||||
fixedHeaderSize++;
|
||||
temp = temp / 128;
|
||||
} while (temp > 0);
|
||||
|
||||
// allocate buffer for message
|
||||
buffer = new byte[fixedHeaderSize + varHeaderSize + payloadSize];
|
||||
|
||||
// first fixed header byte
|
||||
if (protocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1_1)
|
||||
buffer[index++] = (MQTT_MSG_UNSUBSCRIBE_TYPE << MSG_TYPE_OFFSET) | MQTT_MSG_UNSUBSCRIBE_FLAG_BITS; // [v.3.1.1]
|
||||
else
|
||||
{
|
||||
buffer[index] = (byte)((MQTT_MSG_UNSUBSCRIBE_TYPE << MSG_TYPE_OFFSET) |
|
||||
(this.qosLevel << QOS_LEVEL_OFFSET));
|
||||
buffer[index] |= this.dupFlag ? (byte)(1 << DUP_FLAG_OFFSET) : (byte)0x00;
|
||||
index++;
|
||||
}
|
||||
|
||||
// encode remaining length
|
||||
index = this.encodeRemainingLength(remainingLength, buffer, index);
|
||||
|
||||
// check message identifier assigned
|
||||
if (this.messageId == 0)
|
||||
throw new MqttClientException(MqttClientErrorCode.WrongMessageId);
|
||||
buffer[index++] = (byte)((messageId >> 8) & 0x00FF); // MSB
|
||||
buffer[index++] = (byte)(messageId & 0x00FF); // LSB
|
||||
|
||||
topicIdx = 0;
|
||||
for (topicIdx = 0; topicIdx < this.topics.Length; topicIdx++)
|
||||
{
|
||||
// topic name
|
||||
buffer[index++] = (byte)((topicsUtf8[topicIdx].Length >> 8) & 0x00FF); // MSB
|
||||
buffer[index++] = (byte)(topicsUtf8[topicIdx].Length & 0x00FF); // LSB
|
||||
Array.Copy(topicsUtf8[topicIdx], 0, buffer, index, topicsUtf8[topicIdx].Length);
|
||||
index += topicsUtf8[topicIdx].Length;
|
||||
}
|
||||
|
||||
return buffer;
|
||||
}
|
||||
|
||||
public override string ToString()
|
||||
{
|
||||
#if TRACE
|
||||
return this.GetTraceString(
|
||||
"UNSUBSCRIBE",
|
||||
new object[] { "messageId", "topics" },
|
||||
new object[] { this.messageId, this.topics });
|
||||
#else
|
||||
return base.ToString();
|
||||
#endif
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,68 @@
|
||||
/*
|
||||
Copyright (c) 2013, 2014 Paolo Patierno
|
||||
|
||||
All rights reserved. This program and the accompanying materials
|
||||
are made available under the terms of the Eclipse Public License v1.0
|
||||
and Eclipse Distribution License v1.0 which accompany this distribution.
|
||||
|
||||
The Eclipse Public License is available at
|
||||
http://www.eclipse.org/legal/epl-v10.html
|
||||
and the Eclipse Distribution License is available at
|
||||
http://www.eclipse.org/org/documents/edl-v10.php.
|
||||
|
||||
Contributors:
|
||||
Paolo Patierno - initial API and implementation and/or initial documentation
|
||||
*/
|
||||
|
||||
#if (!MF_FRAMEWORK_VERSION_V4_2 && !MF_FRAMEWORK_VERSION_V4_3)
|
||||
using System;
|
||||
#else
|
||||
using Microsoft.SPOT;
|
||||
#endif
|
||||
|
||||
namespace uPLibrary.Networking.M2Mqtt.Messages
|
||||
{
|
||||
/// <summary>
|
||||
/// Event Args class for unsubscribe request on topics
|
||||
/// </summary>
|
||||
public class MqttMsgUnsubscribeEventArgs : EventArgs
|
||||
{
|
||||
#region Properties...
|
||||
|
||||
/// <summary>
|
||||
/// Message identifier
|
||||
/// </summary>
|
||||
public ushort MessageId
|
||||
{
|
||||
get { return this.messageId; }
|
||||
internal set { this.messageId = value; }
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Topics requested to subscribe
|
||||
/// </summary>
|
||||
public string[] Topics
|
||||
{
|
||||
get { return this.topics; }
|
||||
internal set { this.topics = value; }
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
// message identifier
|
||||
ushort messageId;
|
||||
// topics requested to unsubscribe
|
||||
string[] topics;
|
||||
|
||||
/// <summary>
|
||||
/// Constructor
|
||||
/// </summary>
|
||||
/// <param name="messageId">Message identifier for subscribed topics</param>
|
||||
/// <param name="topics">Topics requested to subscribe</param>
|
||||
public MqttMsgUnsubscribeEventArgs(ushort messageId, string[] topics)
|
||||
{
|
||||
this.messageId = messageId;
|
||||
this.topics = topics;
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,55 @@
|
||||
/*
|
||||
Copyright (c) 2013, 2014 Paolo Patierno
|
||||
|
||||
All rights reserved. This program and the accompanying materials
|
||||
are made available under the terms of the Eclipse Public License v1.0
|
||||
and Eclipse Distribution License v1.0 which accompany this distribution.
|
||||
|
||||
The Eclipse Public License is available at
|
||||
http://www.eclipse.org/legal/epl-v10.html
|
||||
and the Eclipse Distribution License is available at
|
||||
http://www.eclipse.org/org/documents/edl-v10.php.
|
||||
|
||||
Contributors:
|
||||
Paolo Patierno - initial API and implementation and/or initial documentation
|
||||
*/
|
||||
|
||||
#if (!MF_FRAMEWORK_VERSION_V4_2 && !MF_FRAMEWORK_VERSION_V4_3)
|
||||
using System;
|
||||
#else
|
||||
using Microsoft.SPOT;
|
||||
#endif
|
||||
|
||||
namespace uPLibrary.Networking.M2Mqtt.Messages
|
||||
{
|
||||
/// <summary>
|
||||
/// Event Args class for unsubscribed topic
|
||||
/// </summary>
|
||||
public class MqttMsgUnsubscribedEventArgs : EventArgs
|
||||
{
|
||||
#region Properties...
|
||||
|
||||
/// <summary>
|
||||
/// Message identifier
|
||||
/// </summary>
|
||||
public ushort MessageId
|
||||
{
|
||||
get { return this.messageId; }
|
||||
internal set { this.messageId = value; }
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
// message identifier
|
||||
ushort messageId;
|
||||
|
||||
/// <summary>
|
||||
/// Constructor
|
||||
/// </summary>
|
||||
/// <param name="messageId">Message identifier for unsubscribed topic</param>
|
||||
public MqttMsgUnsubscribedEventArgs(ushort messageId)
|
||||
{
|
||||
this.messageId = messageId;
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user