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BlubbFish 2019-02-15 13:00:09 +01:00
parent 3cda8ca417
commit 48eb1a6974
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132
mqtt/M2Mqtt/Exceptions/MqttClientException.cs
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/*
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;
namespace uPLibrary.Networking.M2Mqtt.Exceptions
{
/// <summary>
/// MQTT client exception
/// </summary>
public class MqttClientException : Exception
{
/// <summary>
/// Constructor
/// </summary>
/// <param name="code">Error code</param>
public MqttClientException(MqttClientErrorCode errorCode)
{
this.errorCode = errorCode;
}
// error code
private MqttClientErrorCode errorCode;
/// <summary>
/// Error code
/// </summary>
public MqttClientErrorCode ErrorCode
{
get { return this.errorCode; }
set { this.errorCode = value; }
}
}
/// <summary>
/// MQTT client erroro code
/// </summary>
public enum MqttClientErrorCode
{
/// <summary>
/// Will error (topic, message or QoS level)
/// </summary>
WillWrong = 1,
/// <summary>
/// Keep alive period too large
/// </summary>
KeepAliveWrong,
/// <summary>
/// Topic contains wildcards
/// </summary>
TopicWildcard,
/// <summary>
/// Topic length wrong
/// </summary>
TopicLength,
/// <summary>
/// QoS level not allowed
/// </summary>
QosNotAllowed,
/// <summary>
/// Topics list empty for subscribe
/// </summary>
TopicsEmpty,
/// <summary>
/// Qos levels list empty for subscribe
/// </summary>
QosLevelsEmpty,
/// <summary>
/// Topics / Qos Levels not match in subscribe
/// </summary>
TopicsQosLevelsNotMatch,
/// <summary>
/// Wrong message from broker
/// </summary>
WrongBrokerMessage,
/// <summary>
/// Wrong Message Id
/// </summary>
WrongMessageId,
/// <summary>
/// Inflight queue is full
/// </summary>
InflightQueueFull,
// [v3.1.1]
/// <summary>
/// Invalid flag bits received
/// </summary>
InvalidFlagBits,
// [v3.1.1]
/// <summary>
/// Invalid connect flags received
/// </summary>
InvalidConnectFlags,
// [v3.1.1]
/// <summary>
/// Invalid client id
/// </summary>
InvalidClientId,
// [v3.1.1]
/// <summary>
/// Invalid protocol name
/// </summary>
InvalidProtocolName
}
}

42
mqtt/M2Mqtt/Exceptions/MqttCommunicationException.cs
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/*
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;
namespace uPLibrary.Networking.M2Mqtt.Exceptions
{
/// <summary>
/// Exception due to error communication with broker on socket
/// </summary>
public class MqttCommunicationException : Exception
{
/// <summary>
/// Default constructor
/// </summary>
public MqttCommunicationException()
{
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="e">Inner Exception</param>
public MqttCommunicationException(Exception e)
: base(String.Empty, e)
{
}
}
}

31
mqtt/M2Mqtt/Exceptions/MqttConnectionException.cs
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/*
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;
namespace uPLibrary.Networking.M2Mqtt.Exceptions
{
/// <summary>
/// Connection to the broker exception
/// </summary>
public class MqttConnectionException : Exception
{
public MqttConnectionException(string message, Exception innerException)
: base(message, innerException)
{
}
}
}

27
mqtt/M2Mqtt/Exceptions/MqttTimeoutException.cs
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/*
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;
namespace uPLibrary.Networking.M2Mqtt.Exceptions
{
/// <summary>
/// Timeout on receiving from broker exception
/// </summary>
public class MqttTimeoutException : Exception
{
}
}

69
mqtt/M2Mqtt/IMqttNetworkChannel.cs
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/*
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
{
/// <summary>
/// Interface for channel under MQTT library
/// </summary>
public interface IMqttNetworkChannel
{
/// <summary>
/// Data available on channel
/// </summary>
bool DataAvailable { get; }
/// <summary>
/// Receive data from the network channel
/// </summary>
/// <param name="buffer">Data buffer for receiving data</param>
/// <returns>Number of bytes received</returns>
int Receive(byte[] buffer);
/// <summary>
/// Receive data from the network channel with a specified timeout
/// </summary>
/// <param name="buffer">Data buffer for receiving data</param>
/// <param name="timeout">Timeout on receiving (in milliseconds)</param>
/// <returns>Number of bytes received</returns>
int Receive(byte[] buffer, int timeout);
/// <summary>
/// Send data on the network channel to the broker
/// </summary>
/// <param name="buffer">Data buffer to send</param>
/// <returns>Number of byte sent</returns>
int Send(byte[] buffer);
/// <summary>
/// Close the network channel
/// </summary>
void Close();
/// <summary>
/// Connect to remote server
/// </summary>
void Connect();
/// <summary>
/// Accept client connection
/// </summary>
void Accept();
}
}

25
mqtt/M2Mqtt/Internal/InternalEvent.cs
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/*
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
*/
namespace uPLibrary.Networking.M2Mqtt.Internal
{
/// <summary>
/// Generic internal event for dispatching
/// </summary>
public abstract class InternalEvent
{
}
}

51
mqtt/M2Mqtt/Internal/MsgInternalEvent.cs
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@ -1,51 +0,0 @@
/*
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.Messages;
namespace uPLibrary.Networking.M2Mqtt.Internal
{
/// <summary>
/// Internal event with a message
/// </summary>
public class MsgInternalEvent : InternalEvent
{
#region Properties ...
/// <summary>
/// Related message
/// </summary>
public MqttMsgBase Message
{
get { return this.msg; }
set { this.msg = value; }
}
#endregion
// related message
protected MqttMsgBase msg;
/// <summary>
/// Constructor
/// </summary>
/// <param name="msg">Related message</param>
public MsgInternalEvent(MqttMsgBase msg)
{
this.msg = msg;
}
}
}

53
mqtt/M2Mqtt/Internal/MsgPublishedInternalEvent.cs
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@ -1,53 +0,0 @@
/*
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.Messages;
namespace uPLibrary.Networking.M2Mqtt.Internal
{
/// <summary>
/// Internal event for a published message
/// </summary>
public class MsgPublishedInternalEvent : MsgInternalEvent
{
#region Properties...
/// <summary>
/// Message published (or failed due to retries)
/// </summary>
public bool IsPublished
{
get { return this.isPublished; }
internal set { this.isPublished = value; }
}
#endregion
// published flag
bool isPublished;
/// <summary>
/// Constructor
/// </summary>
/// <param name="msg">Message published</param>
/// <param name="isPublished">Publish flag</param>
public MsgPublishedInternalEvent(MqttMsgBase msg, bool isPublished)
: base(msg)
{
this.isPublished = isPublished;
}
}
}

93
mqtt/M2Mqtt/M2Mqtt_2.csproj
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@ -1,93 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<PropertyGroup>
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
<ProductVersion>8.0.30703</ProductVersion>
<SchemaVersion>2.0</SchemaVersion>
<ProjectGuid>{A11AEF5A-B246-4FE8-8330-06DB73CC8074}</ProjectGuid>
<OutputType>Library</OutputType>
<AppDesignerFolder>Properties</AppDesignerFolder>
<RootNamespace>uPLibrary.Networking.M2Mqtt</RootNamespace>
<AssemblyName>M2Mqtt</AssemblyName>
<TargetFrameworkVersion>v2.0</TargetFrameworkVersion>
<FileAlignment>512</FileAlignment>
<TargetFrameworkProfile />
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
<DebugSymbols>true</DebugSymbols>
<DebugType>full</DebugType>
<Optimize>false</Optimize>
<OutputPath>bin\Debug\2.0\</OutputPath>
<DefineConstants>TRACE;DEBUG</DefineConstants>
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
<Prefer32Bit>false</Prefer32Bit>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
<DebugType>pdbonly</DebugType>
<Optimize>true</Optimize>
<OutputPath>bin\Release\2.0\</OutputPath>
<DefineConstants>TRACE</DefineConstants>
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
<Prefer32Bit>false</Prefer32Bit>
</PropertyGroup>
<ItemGroup>
<Reference Include="System" />
<Reference Include="System.Data" />
<Reference Include="System.Xml" />
</ItemGroup>
<ItemGroup>
<Compile Include="Exceptions\MqttClientException.cs" />
<Compile Include="Exceptions\MqttCommunicationException.cs" />
<Compile Include="Exceptions\MqttConnectionException.cs" />
<Compile Include="Exceptions\MqttTimeoutException.cs" />
<Compile Include="IMqttNetworkChannel.cs" />
<Compile Include="Internal\InternalEvent.cs" />
<Compile Include="Internal\MsgInternalEvent.cs" />
<Compile Include="Internal\MsgPublishedInternalEvent.cs" />
<Compile Include="Messages\MqttMsgBase.cs" />
<Compile Include="Messages\MqttMsgConnack.cs" />
<Compile Include="Messages\MqttMsgConnect.cs" />
<Compile Include="Messages\MqttMsgConnectEventArgs.cs" />
<Compile Include="Messages\MqttMsgContext.cs" />
<Compile Include="Messages\MqttMsgDisconnect.cs" />
<Compile Include="Messages\MqttMsgPingReq.cs" />
<Compile Include="Messages\MqttMsgPingResp.cs" />
<Compile Include="Messages\MqttMsgPuback.cs" />
<Compile Include="Messages\MqttMsgPubcomp.cs" />
<Compile Include="Messages\MqttMsgPublish.cs" />
<Compile Include="Messages\MqttMsgPublishedEventArgs.cs" />
<Compile Include="Messages\MqttMsgPublishEventArgs.cs" />
<Compile Include="Messages\MqttMsgPubrec.cs" />
<Compile Include="Messages\MqttMsgPubrel.cs" />
<Compile Include="Messages\MqttMsgSuback.cs" />
<Compile Include="Messages\MqttMsgSubscribe.cs" />
<Compile Include="Messages\MqttMsgSubscribedEventArgs.cs" />
<Compile Include="Messages\MqttMsgSubscribeEventArgs.cs" />
<Compile Include="Messages\MqttMsgUnsuback.cs" />
<Compile Include="Messages\MqttMsgUnsubscribe.cs" />
<Compile Include="Messages\MqttMsgUnsubscribedEventArgs.cs" />
<Compile Include="Messages\MqttMsgUnsubscribeEventArgs.cs" />
<Compile Include="MqttClient.cs" />
<Compile Include="MqttSecurity.cs" />
<Compile Include="Net\Fx.cs" />
<Compile Include="Net\MqttNetworkChannel.cs" />
<Compile Include="MqttSettings.cs" />
<Compile Include="Properties\AssemblyInfo.cs" />
<Compile Include="Session\MqttBrokerSession.cs" />
<Compile Include="Session\MqttClientSession.cs" />
<Compile Include="Session\MqttSession.cs" />
<Compile Include="Utility\Trace.cs" />
<Compile Include="Utility\QueueExtension.cs" />
</ItemGroup>
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
Other similar extension points exist, see Microsoft.Common.targets.
<Target Name="BeforeBuild">
</Target>
<Target Name="AfterBuild">
</Target>
-->
</Project>

93
mqtt/M2Mqtt/M2Mqtt_4.7.1.csproj
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@ -1,93 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<PropertyGroup>
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
<ProductVersion>8.0.30703</ProductVersion>
<SchemaVersion>2.0</SchemaVersion>
<ProjectGuid>{A11AEF5A-B246-4FE8-8330-06DB73CC8074}</ProjectGuid>
<OutputType>Library</OutputType>
<AppDesignerFolder>Properties</AppDesignerFolder>
<RootNamespace>uPLibrary.Networking.M2Mqtt</RootNamespace>
<AssemblyName>M2Mqtt</AssemblyName>
<TargetFrameworkVersion>v4.7.1</TargetFrameworkVersion>
<FileAlignment>512</FileAlignment>
<TargetFrameworkProfile />
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
<DebugSymbols>true</DebugSymbols>
<DebugType>full</DebugType>
<Optimize>false</Optimize>
<OutputPath>bin\Debug\4.7.1\</OutputPath>
<DefineConstants>TRACE;DEBUG;SSL</DefineConstants>
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
<Prefer32Bit>false</Prefer32Bit>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
<DebugType>pdbonly</DebugType>
<Optimize>true</Optimize>
<OutputPath>bin\Release\4.7.1\</OutputPath>
<DefineConstants>TRACE;SSL</DefineConstants>
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
<Prefer32Bit>false</Prefer32Bit>
</PropertyGroup>
<ItemGroup>
<Reference Include="System" />
<Reference Include="System.Data" />
<Reference Include="System.Xml" />
</ItemGroup>
<ItemGroup>
<Compile Include="Exceptions\MqttClientException.cs" />
<Compile Include="Exceptions\MqttCommunicationException.cs" />
<Compile Include="Exceptions\MqttConnectionException.cs" />
<Compile Include="Exceptions\MqttTimeoutException.cs" />
<Compile Include="IMqttNetworkChannel.cs" />
<Compile Include="Internal\InternalEvent.cs" />
<Compile Include="Internal\MsgInternalEvent.cs" />
<Compile Include="Internal\MsgPublishedInternalEvent.cs" />
<Compile Include="Messages\MqttMsgBase.cs" />
<Compile Include="Messages\MqttMsgConnack.cs" />
<Compile Include="Messages\MqttMsgConnect.cs" />
<Compile Include="Messages\MqttMsgConnectEventArgs.cs" />
<Compile Include="Messages\MqttMsgContext.cs" />
<Compile Include="Messages\MqttMsgDisconnect.cs" />
<Compile Include="Messages\MqttMsgPingReq.cs" />
<Compile Include="Messages\MqttMsgPingResp.cs" />
<Compile Include="Messages\MqttMsgPuback.cs" />
<Compile Include="Messages\MqttMsgPubcomp.cs" />
<Compile Include="Messages\MqttMsgPublish.cs" />
<Compile Include="Messages\MqttMsgPublishedEventArgs.cs" />
<Compile Include="Messages\MqttMsgPublishEventArgs.cs" />
<Compile Include="Messages\MqttMsgPubrec.cs" />
<Compile Include="Messages\MqttMsgPubrel.cs" />
<Compile Include="Messages\MqttMsgSuback.cs" />
<Compile Include="Messages\MqttMsgSubscribe.cs" />
<Compile Include="Messages\MqttMsgSubscribedEventArgs.cs" />
<Compile Include="Messages\MqttMsgSubscribeEventArgs.cs" />
<Compile Include="Messages\MqttMsgUnsuback.cs" />
<Compile Include="Messages\MqttMsgUnsubscribe.cs" />
<Compile Include="Messages\MqttMsgUnsubscribedEventArgs.cs" />
<Compile Include="Messages\MqttMsgUnsubscribeEventArgs.cs" />
<Compile Include="MqttClient.cs" />
<Compile Include="MqttSecurity.cs" />
<Compile Include="Net\Fx.cs" />
<Compile Include="Net\MqttNetworkChannel.cs" />
<Compile Include="MqttSettings.cs" />
<Compile Include="Properties\AssemblyInfo.cs" />
<Compile Include="Session\MqttBrokerSession.cs" />
<Compile Include="Session\MqttClientSession.cs" />
<Compile Include="Session\MqttSession.cs" />
<Compile Include="Utility\Trace.cs" />
<Compile Include="Utility\QueueExtension.cs" />
</ItemGroup>
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
Other similar extension points exist, see Microsoft.Common.targets.
<Target Name="BeforeBuild">
</Target>
<Target Name="AfterBuild">
</Target>
-->
</Project>

275
mqtt/M2Mqtt/Messages/MqttMsgBase.cs
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@ -1,275 +0,0 @@
/*
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>
/// Base class for all MQTT messages
/// </summary>
public abstract class MqttMsgBase
{
#region Constants...
// mask, offset and size for fixed header fields
internal const byte MSG_TYPE_MASK = 0xF0;
internal const byte MSG_TYPE_OFFSET = 0x04;
internal const byte MSG_TYPE_SIZE = 0x04;
internal const byte MSG_FLAG_BITS_MASK = 0x0F; // [v3.1.1]
internal const byte MSG_FLAG_BITS_OFFSET = 0x00; // [v3.1.1]
internal const byte MSG_FLAG_BITS_SIZE = 0x04; // [v3.1.1]
internal const byte DUP_FLAG_MASK = 0x08;
internal const byte DUP_FLAG_OFFSET = 0x03;
internal const byte DUP_FLAG_SIZE = 0x01;
internal const byte QOS_LEVEL_MASK = 0x06;
internal const byte QOS_LEVEL_OFFSET = 0x01;
internal const byte QOS_LEVEL_SIZE = 0x02;
internal const byte RETAIN_FLAG_MASK = 0x01;
internal const byte RETAIN_FLAG_OFFSET = 0x00;
internal const byte RETAIN_FLAG_SIZE = 0x01;
// MQTT message types
internal const byte MQTT_MSG_CONNECT_TYPE = 0x01;
internal const byte MQTT_MSG_CONNACK_TYPE = 0x02;
internal const byte MQTT_MSG_PUBLISH_TYPE = 0x03;
internal const byte MQTT_MSG_PUBACK_TYPE = 0x04;
internal const byte MQTT_MSG_PUBREC_TYPE = 0x05;
internal const byte MQTT_MSG_PUBREL_TYPE = 0x06;
internal const byte MQTT_MSG_PUBCOMP_TYPE = 0x07;
internal const byte MQTT_MSG_SUBSCRIBE_TYPE = 0x08;
internal const byte MQTT_MSG_SUBACK_TYPE = 0x09;
internal const byte MQTT_MSG_UNSUBSCRIBE_TYPE = 0x0A;
internal const byte MQTT_MSG_UNSUBACK_TYPE = 0x0B;
internal const byte MQTT_MSG_PINGREQ_TYPE = 0x0C;
internal const byte MQTT_MSG_PINGRESP_TYPE = 0x0D;
internal const byte MQTT_MSG_DISCONNECT_TYPE = 0x0E;
// [v3.1.1] MQTT flag bits
internal const byte MQTT_MSG_CONNECT_FLAG_BITS = 0x00;
internal const byte MQTT_MSG_CONNACK_FLAG_BITS = 0x00;
internal const byte MQTT_MSG_PUBLISH_FLAG_BITS = 0x00; // just defined as 0x00 but depends on publish props (dup, qos, retain)
internal const byte MQTT_MSG_PUBACK_FLAG_BITS = 0x00;
internal const byte MQTT_MSG_PUBREC_FLAG_BITS = 0x00;
internal const byte MQTT_MSG_PUBREL_FLAG_BITS = 0x02;
internal const byte MQTT_MSG_PUBCOMP_FLAG_BITS = 0x00;
internal const byte MQTT_MSG_SUBSCRIBE_FLAG_BITS = 0x02;
internal const byte MQTT_MSG_SUBACK_FLAG_BITS = 0x00;
internal const byte MQTT_MSG_UNSUBSCRIBE_FLAG_BITS = 0x02;
internal const byte MQTT_MSG_UNSUBACK_FLAG_BITS = 0x00;
internal const byte MQTT_MSG_PINGREQ_FLAG_BITS = 0x00;
internal const byte MQTT_MSG_PINGRESP_FLAG_BITS = 0x00;
internal const byte MQTT_MSG_DISCONNECT_FLAG_BITS = 0x00;
// QOS levels
public const byte QOS_LEVEL_AT_MOST_ONCE = 0x00;
public const byte QOS_LEVEL_AT_LEAST_ONCE = 0x01;
public const byte QOS_LEVEL_EXACTLY_ONCE = 0x02;
// SUBSCRIBE QoS level granted failure [v3.1.1]
public const byte QOS_LEVEL_GRANTED_FAILURE = 0x80;
internal const ushort MAX_TOPIC_LENGTH = 65535;
internal const ushort MIN_TOPIC_LENGTH = 1;
internal const byte MESSAGE_ID_SIZE = 2;
#endregion
#region Properties...
/// <summary>
/// Message type
/// </summary>
public byte Type
{
get { return this.type; }
set { this.type = 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; }
set { this.qosLevel = value; }
}
/// <summary>
/// Retain message flag
/// </summary>
public bool Retain
{
get { return this.retain; }
set { this.retain = value; }
}
/// <summary>
/// Message identifier for the message
/// </summary>
public ushort MessageId
{
get { return this.messageId; }
set { this.messageId = value; }
}
#endregion
// message type
protected byte type;
// duplicate delivery
protected bool dupFlag;
// quality of service level
protected byte qosLevel;
// retain flag
protected bool retain;
// message identifier
protected ushort messageId;
/// <summary>
/// Returns message bytes rapresentation
/// </summary>
/// <param name="protocolVersion">Protocol version</param>
/// <returns>Bytes rapresentation</returns>
public abstract byte[] GetBytes(byte protocolVersion);
/// <summary>
/// Encode remaining length and insert it into message buffer
/// </summary>
/// <param name="remainingLength">Remaining length value to encode</param>
/// <param name="buffer">Message buffer for inserting encoded value</param>
/// <param name="index">Index from which insert encoded value into buffer</param>
/// <returns>Index updated</returns>
protected int encodeRemainingLength(int remainingLength, byte[] buffer, int index)
{
int digit = 0;
do
{
digit = remainingLength % 128;
remainingLength /= 128;
if (remainingLength > 0)
digit = digit | 0x80;
buffer[index++] = (byte)digit;
} while (remainingLength > 0);
return index;
}
/// <summary>
/// Decode remaining length reading bytes from socket
/// </summary>
/// <param name="channel">Channel from reading bytes</param>
/// <returns>Decoded remaining length</returns>
protected static int decodeRemainingLength(IMqttNetworkChannel channel)
{
int multiplier = 1;
int value = 0;
int digit = 0;
byte[] nextByte = new byte[1];
do
{
// next digit from stream
channel.Receive(nextByte);
digit = nextByte[0];
value += ((digit & 127) * multiplier);
multiplier *= 128;
} while ((digit & 128) != 0);
return value;
}
#if TRACE
/// <summary>
/// Returns a string representation of the message for tracing
/// </summary>
/// <param name="name">Message name</param>
/// <param name="fieldNames">Message fields name</param>
/// <param name="fieldValues">Message fields value</param>
/// <returns>String representation of the message</returns>
protected string GetTraceString(string name, object[] fieldNames, object[] fieldValues)
{
StringBuilder sb = new StringBuilder();
sb.Append(name);
if ((fieldNames != null) && (fieldValues != null))
{
sb.Append("(");
bool addComma = false;
for (int i = 0; i < fieldValues.Length; i++)
{
if (fieldValues[i] != null)
{
if (addComma)
{
sb.Append(",");
}
sb.Append(fieldNames[i]);
sb.Append(":");
sb.Append(GetStringObject(fieldValues[i]));
addComma = true;
}
}
sb.Append(")");
}
return sb.ToString();
}
object GetStringObject(object value)
{
byte[] binary = value as byte[];
if (binary != null)
{
string hexChars = "0123456789ABCDEF";
StringBuilder sb = new StringBuilder(binary.Length * 2);
for (int i = 0; i < binary.Length; ++i)
{
sb.Append(hexChars[binary[i] >> 4]);
sb.Append(hexChars[binary[i] & 0x0F]);
}
return sb.ToString();
}
object[] list = value as object[];
if (list != null)
{
StringBuilder sb = new StringBuilder();
sb.Append('[');
for (int i = 0; i < list.Length; ++i)
{
if (i > 0) sb.Append(',');
sb.Append(list[i]);
}
sb.Append(']');
return sb.ToString();
}
return value;
}
#endif
}
}

191
mqtt/M2Mqtt/Messages/MqttMsgConnack.cs
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@ -1,191 +0,0 @@
/*
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 CONNACK message from broker to client
/// </summary>
public class MqttMsgConnack : MqttMsgBase
{
#region Constants...
// return codes for CONNACK message
public const byte CONN_ACCEPTED = 0x00;
public const byte CONN_REFUSED_PROT_VERS = 0x01;
public const byte CONN_REFUSED_IDENT_REJECTED = 0x02;
public const byte CONN_REFUSED_SERVER_UNAVAILABLE = 0x03;
public const byte CONN_REFUSED_USERNAME_PASSWORD = 0x04;
public const byte CONN_REFUSED_NOT_AUTHORIZED = 0x05;
private const byte TOPIC_NAME_COMP_RESP_BYTE_OFFSET = 0;
private const byte TOPIC_NAME_COMP_RESP_BYTE_SIZE = 1;
// [v3.1.1] connect acknowledge flags replace "old" topic name compression respone (not used in 3.1)
private const byte CONN_ACK_FLAGS_BYTE_OFFSET = 0;
private const byte CONN_ACK_FLAGS_BYTE_SIZE = 1;
// [v3.1.1] session present flag
private const byte SESSION_PRESENT_FLAG_MASK = 0x01;
private const byte SESSION_PRESENT_FLAG_OFFSET = 0x00;
private const byte SESSION_PRESENT_FLAG_SIZE = 0x01;
private const byte CONN_RETURN_CODE_BYTE_OFFSET = 1;
private const byte CONN_RETURN_CODE_BYTE_SIZE = 1;
#endregion
#region Properties...
// [v3.1.1] session present flag
/// <summary>
/// Session present flag
/// </summary>
public bool SessionPresent
{
get { return this.sessionPresent; }
set { this.sessionPresent = value; }
}
/// <summary>
/// Return Code
/// </summary>
public byte ReturnCode
{
get { return this.returnCode; }
set { this.returnCode = value; }
}
#endregion
// [v3.1.1] session present flag
private bool sessionPresent;
// return code for CONNACK message
private byte returnCode;
/// <summary>
/// Constructor
/// </summary>
public MqttMsgConnack()
{
this.type = MQTT_MSG_CONNACK_TYPE;
}
/// <summary>
/// Parse bytes for a CONNACK 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>CONNACK message instance</returns>
public static MqttMsgConnack Parse(byte fixedHeaderFirstByte, byte protocolVersion, IMqttNetworkChannel channel)
{
byte[] buffer;
MqttMsgConnack msg = new MqttMsgConnack();
if (protocolVersion == MqttMsgConnect.PROTOCOL_VERSION_V3_1_1)
{
// [v3.1.1] check flag bits
if ((fixedHeaderFirstByte & MSG_FLAG_BITS_MASK) != MQTT_MSG_CONNACK_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_1)
{
// [v3.1.1] ... set session present flag ...
msg.sessionPresent = (buffer[CONN_ACK_FLAGS_BYTE_OFFSET] & SESSION_PRESENT_FLAG_MASK) != 0x00;
}
// ...and set return code from broker
msg.returnCode = buffer[CONN_RETURN_CODE_BYTE_OFFSET];
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;
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);
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
}
}
}

582
mqtt/M2Mqtt/Messages/MqttMsgConnect.cs
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@ -1,582 +0,0 @@
/*
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
}
}
}

44
mqtt/M2Mqtt/Messages/MqttMsgConnectEventArgs.cs
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@ -1,44 +0,0 @@
/*
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;
}
}
}

159
mqtt/M2Mqtt/Messages/MqttMsgContext.cs
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@ -1,159 +0,0 @@
/*
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
}
}

86
mqtt/M2Mqtt/Messages/MqttMsgDisconnect.cs
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@ -1,86 +0,0 @@
/*
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
}
}
}

86
mqtt/M2Mqtt/Messages/MqttMsgPingReq.cs
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@ -1,86 +0,0 @@
/*
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
}
}
}

87
mqtt/M2Mqtt/Messages/MqttMsgPingResp.cs
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@ -1,87 +0,0 @@
/*
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
}
}
}

125
mqtt/M2Mqtt/Messages/MqttMsgPuback.cs
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@ -1,125 +0,0 @@
/*
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
}
}
}

125
mqtt/M2Mqtt/Messages/MqttMsgPubcomp.cs
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@ -1,125 +0,0 @@
/*
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
}
}
}

249
mqtt/M2Mqtt/Messages/MqttMsgPublish.cs
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@ -1,249 +0,0 @@
/*
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; set; }
/// <summary>
/// Message data
/// </summary>
public Byte[] Message { get; set; }
#endregion
/// <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, Boolean dupFlag, Byte qosLevel, Boolean 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) {
Int32 fixedHeaderSize = 0;
Int32 varHeaderSize = 0;
Int32 payloadSize = 0;
Int32 remainingLength = 0;
Byte[] buffer;
Int32 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;
Int32 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;
Int32 index = 0;
Byte[] topicUtf8;
Int32 topicUtf8Length;
MqttMsgPublish msg = new MqttMsgPublish();
// get remaining length and allocate buffer
Int32 remainingLength = decodeRemainingLength(channel);
buffer = new Byte[remainingLength];
// read bytes from socket...
Int32 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 = (UInt16)((buffer[index++] << 8) & 0xFF00);
msg.messageId |= (buffer[index++]);
}
// get payload with message data
Int32 messageSize = remainingLength - index;
Int32 remaining = messageSize;
Int32 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
}
}
}

111
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@ -1,111 +0,0 @@
/*
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;
}
}
}

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mqtt/M2Mqtt/Messages/MqttMsgPublishedEventArgs.cs
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/*
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;
}
}
}

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mqtt/M2Mqtt/Messages/MqttMsgPubrec.cs
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/*
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
}
}
}

142
mqtt/M2Mqtt/Messages/MqttMsgPubrel.cs
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/*
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
}
}
}

162
mqtt/M2Mqtt/Messages/MqttMsgSuback.cs
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/*
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
}
}
}

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mqtt/M2Mqtt/Messages/MqttMsgSubscribe.cs
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/*
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
}
}
}

81
mqtt/M2Mqtt/Messages/MqttMsgSubscribeEventArgs.cs
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@ -1,81 +0,0 @@
/*
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;
}
}
}

68
mqtt/M2Mqtt/Messages/MqttMsgSubscribedEventArgs.cs
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@ -1,68 +0,0 @@
/*
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;
}
}
}

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mqtt/M2Mqtt/Messages/MqttMsgUnsuback.cs
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/*
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
}
}
}

239
mqtt/M2Mqtt/Messages/MqttMsgUnsubscribe.cs
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@ -1,239 +0,0 @@
/*
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
}
}
}

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/*
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;
}
}
}

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mqtt/M2Mqtt/Messages/MqttMsgUnsubscribedEventArgs.cs
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/*
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;
}
}
}

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mqtt/M2Mqtt/MqttClient.cs
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30
mqtt/M2Mqtt/MqttSecurity.cs
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/*
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
*/
namespace uPLibrary.Networking.M2Mqtt
{
/// <summary>
/// Supported SSL/TLS protocol versions
/// </summary>
public enum MqttSslProtocols
{
None,
SSLv3,
TLSv1_0,
TLSv1_1,
TLSv1_2
}
}

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mqtt/M2Mqtt/MqttSettings.cs
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/*
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
*/
namespace uPLibrary.Networking.M2Mqtt
{
/// <summary>
/// Settings class for the MQTT broker
/// </summary>
public class MqttSettings
{
// default port for MQTT protocol
public const int MQTT_BROKER_DEFAULT_PORT = 1883;
public const int MQTT_BROKER_DEFAULT_SSL_PORT = 8883;
// default timeout on receiving from client
public const int MQTT_DEFAULT_TIMEOUT = 30000;
// max publish, subscribe and unsubscribe retry for QoS Level 1 or 2
public const int MQTT_ATTEMPTS_RETRY = 3;
// delay for retry publish, subscribe and unsubscribe for QoS Level 1 or 2
public const int MQTT_DELAY_RETRY = 10000;
// broker need to receive the first message (CONNECT)
// within a reasonable amount of time after TCP/IP connection
public const int MQTT_CONNECT_TIMEOUT = 30000;
// default inflight queue size
public const int MQTT_MAX_INFLIGHT_QUEUE_SIZE = int.MaxValue;
/// <summary>
/// Listening connection port
/// </summary>
public int Port { get; internal set; }
/// <summary>
/// Listening connection SSL port
/// </summary>
public int SslPort { get; internal set; }
/// <summary>
/// Timeout on client connection (before receiving CONNECT message)
/// </summary>
public int TimeoutOnConnection { get; internal set; }
/// <summary>
/// Timeout on receiving
/// </summary>
public int TimeoutOnReceiving { get; internal set; }
/// <summary>
/// Attempts on retry
/// </summary>
public int AttemptsOnRetry { get; internal set; }
/// <summary>
/// Delay on retry
/// </summary>
public int DelayOnRetry { get; internal set; }
/// <summary>
/// Inflight queue size
/// </summary>
public int InflightQueueSize { get; set; }
/// <summary>
/// Singleton instance of settings
/// </summary>
public static MqttSettings Instance
{
get
{
if (instance == null)
instance = new MqttSettings();
return instance;
}
}
// singleton instance
private static MqttSettings instance;
/// <summary>
/// Constructor
/// </summary>
private MqttSettings()
{
this.Port = MQTT_BROKER_DEFAULT_PORT;
this.SslPort = MQTT_BROKER_DEFAULT_SSL_PORT;
this.TimeoutOnReceiving = MQTT_DEFAULT_TIMEOUT;
this.AttemptsOnRetry = MQTT_ATTEMPTS_RETRY;
this.DelayOnRetry = MQTT_DELAY_RETRY;
this.TimeoutOnConnection = MQTT_CONNECT_TIMEOUT;
this.InflightQueueSize = MQTT_MAX_INFLIGHT_QUEUE_SIZE;
}
}
}

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mqtt/M2Mqtt/Net/Fx.cs
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/*
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.Threading;
namespace uPLibrary.Networking.M2Mqtt
{
/// <summary>
/// Support methods fos specific framework
/// </summary>
public class Fx
{
public static void StartThread(ThreadStart threadStart)
{
new Thread(threadStart).Start();
}
public static void SleepThread(int millisecondsTimeout)
{
Thread.Sleep(millisecondsTimeout);
}
}
}

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mqtt/M2Mqtt/Net/MqttNetworkChannel.cs
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/*
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 SSL
#if (MF_FRAMEWORK_VERSION_V4_2 || MF_FRAMEWORK_VERSION_V4_3)
using Microsoft.SPOT.Net.Security;
#else
using System.Net.Security;
using System.Security.Authentication;
#endif
#endif
using System.Net.Sockets;
using System.Net;
using System.Security.Cryptography.X509Certificates;
using System;
//using System.Security.Authentication;
//using System.Net.Security;
namespace uPLibrary.Networking.M2Mqtt
{
/// <summary>
/// Channel to communicate over the network
/// </summary>
public class MqttNetworkChannel : IMqttNetworkChannel
{
#if !(MF_FRAMEWORK_VERSION_V4_2 || MF_FRAMEWORK_VERSION_V4_3 || COMPACT_FRAMEWORK)
private readonly RemoteCertificateValidationCallback userCertificateValidationCallback;
private readonly LocalCertificateSelectionCallback userCertificateSelectionCallback;
#endif
// remote host information
private string remoteHostName;
private IPAddress remoteIpAddress;
private int remotePort;
// socket for communication
private Socket socket;
// using SSL
private bool secure;
// CA certificate (on client)
private X509Certificate caCert;
// Server certificate (on broker)
private X509Certificate serverCert;
// client certificate (on client)
private X509Certificate clientCert;
// SSL/TLS protocol version
private MqttSslProtocols sslProtocol;
/// <summary>
/// Remote host name
/// </summary>
public string RemoteHostName { get { return this.remoteHostName; } }
/// <summary>
/// Remote IP address
/// </summary>
public IPAddress RemoteIpAddress { get { return this.remoteIpAddress; } }
/// <summary>
/// Remote port
/// </summary>
public int RemotePort { get { return this.remotePort; } }
#if SSL
// SSL stream
private SslStream sslStream;
#if (!MF_FRAMEWORK_VERSION_V4_2 && !MF_FRAMEWORK_VERSION_V4_3)
private NetworkStream netStream;
#endif
#endif
/// <summary>
/// Data available on the channel
/// </summary>
public bool DataAvailable
{
get
{
#if SSL
#if (MF_FRAMEWORK_VERSION_V4_2 || MF_FRAMEWORK_VERSION_V4_3)
if (secure)
return this.sslStream.DataAvailable;
else
return (this.socket.Available > 0);
#else
if (secure)
return this.netStream.DataAvailable;
else
return (this.socket.Available > 0);
#endif
#else
return (this.socket.Available > 0);
#endif
}
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="socket">Socket opened with the client</param>
public MqttNetworkChannel(Socket socket)
#if !(MF_FRAMEWORK_VERSION_V4_2 || MF_FRAMEWORK_VERSION_V4_3 || COMPACT_FRAMEWORK)
: this(socket, false, null, MqttSslProtocols.None, null, null)
#else
: this(socket, false, null, MqttSslProtocols.None)
#endif
{
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="socket">Socket opened with the client</param>
/// <param name="secure">Secure connection (SSL/TLS)</param>
/// <param name="serverCert">Server X509 certificate for secure connection</param>
/// <param name="sslProtocol">SSL/TLS protocol version</param>
#if !(MF_FRAMEWORK_VERSION_V4_2 || MF_FRAMEWORK_VERSION_V4_3 || COMPACT_FRAMEWORK)
/// <param name="userCertificateSelectionCallback">A RemoteCertificateValidationCallback delegate responsible for validating the certificate supplied by the remote party</param>
/// <param name="userCertificateValidationCallback">A LocalCertificateSelectionCallback delegate responsible for selecting the certificate used for authentication</param>
public MqttNetworkChannel(Socket socket, bool secure, X509Certificate serverCert, MqttSslProtocols sslProtocol,
RemoteCertificateValidationCallback userCertificateValidationCallback,
LocalCertificateSelectionCallback userCertificateSelectionCallback)
#else
public MqttNetworkChannel(Socket socket, bool secure, X509Certificate serverCert, MqttSslProtocols sslProtocol)
#endif
{
this.socket = socket;
this.secure = secure;
this.serverCert = serverCert;
this.sslProtocol = sslProtocol;
#if !(MF_FRAMEWORK_VERSION_V4_2 || MF_FRAMEWORK_VERSION_V4_3 || COMPACT_FRAMEWORK)
this.userCertificateValidationCallback = userCertificateValidationCallback;
this.userCertificateSelectionCallback = userCertificateSelectionCallback;
#endif
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="remoteHostName">Remote Host name</param>
/// <param name="remotePort">Remote port</param>
public MqttNetworkChannel(string remoteHostName, int remotePort)
#if !(MF_FRAMEWORK_VERSION_V4_2 || MF_FRAMEWORK_VERSION_V4_3 || COMPACT_FRAMEWORK)
: this(remoteHostName, remotePort, false, null, null, MqttSslProtocols.None, null, null)
#else
: this(remoteHostName, remotePort, false, null, null, MqttSslProtocols.None)
#endif
{
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="remoteHostName">Remote Host name</param>
/// <param name="remotePort">Remote port</param>
/// <param name="secure">Using SSL</param>
/// <param name="caCert">CA certificate</param>
/// <param name="clientCert">Client certificate</param>
/// <param name="sslProtocol">SSL/TLS protocol version</param>
#if !(MF_FRAMEWORK_VERSION_V4_2 || MF_FRAMEWORK_VERSION_V4_3 || COMPACT_FRAMEWORK)
/// <param name="userCertificateSelectionCallback">A RemoteCertificateValidationCallback delegate responsible for validating the certificate supplied by the remote party</param>
/// <param name="userCertificateValidationCallback">A LocalCertificateSelectionCallback delegate responsible for selecting the certificate used for authentication</param>
public MqttNetworkChannel(string remoteHostName, int remotePort, bool secure, X509Certificate caCert, X509Certificate clientCert, MqttSslProtocols sslProtocol,
RemoteCertificateValidationCallback userCertificateValidationCallback,
LocalCertificateSelectionCallback userCertificateSelectionCallback)
#else
public MqttNetworkChannel(string remoteHostName, int remotePort, bool secure, X509Certificate caCert, X509Certificate clientCert, MqttSslProtocols sslProtocol)
#endif
{
IPAddress remoteIpAddress = null;
try
{
// check if remoteHostName is a valid IP address and get it
remoteIpAddress = IPAddress.Parse(remoteHostName);
}
catch
{
}
// in this case the parameter remoteHostName isn't a valid IP address
if (remoteIpAddress == null)
{
IPHostEntry hostEntry = Dns.GetHostEntry(remoteHostName);
if ((hostEntry != null) && (hostEntry.AddressList.Length > 0))
{
// check for the first address not null
// it seems that with .Net Micro Framework, the IPV6 addresses aren't supported and return "null"
int i = 0;
while (hostEntry.AddressList[i] == null) i++;
remoteIpAddress = hostEntry.AddressList[i];
}
else
{
throw new Exception("No address found for the remote host name");
}
}
this.remoteHostName = remoteHostName;
this.remoteIpAddress = remoteIpAddress;
this.remotePort = remotePort;
this.secure = secure;
this.caCert = caCert;
this.clientCert = clientCert;
this.sslProtocol = sslProtocol;
#if !(MF_FRAMEWORK_VERSION_V4_2 || MF_FRAMEWORK_VERSION_V4_3 || COMPACT_FRAMEWORK)
this.userCertificateValidationCallback = userCertificateValidationCallback;
this.userCertificateSelectionCallback = userCertificateSelectionCallback;
#endif
}
/// <summary>
/// Connect to remote server
/// </summary>
public void Connect()
{
this.socket = new Socket(IPAddressUtility.GetAddressFamily(this.remoteIpAddress), SocketType.Stream, ProtocolType.Tcp);
// try connection to the broker
this.socket.Connect(new IPEndPoint(this.remoteIpAddress, this.remotePort));
#if SSL
// secure channel requested
if (secure)
{
// create SSL stream
#if (MF_FRAMEWORK_VERSION_V4_2 || MF_FRAMEWORK_VERSION_V4_3)
this.sslStream = new SslStream(this.socket);
#else
this.netStream = new NetworkStream(this.socket);
this.sslStream = new SslStream(this.netStream, false, this.userCertificateValidationCallback, this.userCertificateSelectionCallback);
#endif
// server authentication (SSL/TLS handshake)
#if (MF_FRAMEWORK_VERSION_V4_2 || MF_FRAMEWORK_VERSION_V4_3)
this.sslStream.AuthenticateAsClient(this.remoteHostName,
this.clientCert,
new X509Certificate[] { this.caCert },
SslVerification.CertificateRequired,
MqttSslUtility.ToSslPlatformEnum(this.sslProtocol));
#else
X509CertificateCollection clientCertificates = null;
// check if there is a client certificate to add to the collection, otherwise it's null (as empty)
if (this.clientCert != null)
clientCertificates = new X509CertificateCollection(new X509Certificate[] { this.clientCert });
this.sslStream.AuthenticateAsClient(this.remoteHostName,
clientCertificates,
MqttSslUtility.ToSslPlatformEnum(this.sslProtocol),
false);
#endif
}
#endif
}
/// <summary>
/// Send data on the network channel
/// </summary>
/// <param name="buffer">Data buffer to send</param>
/// <returns>Number of byte sent</returns>
public int Send(byte[] buffer)
{
#if SSL
if (this.secure)
{
this.sslStream.Write(buffer, 0, buffer.Length);
this.sslStream.Flush();
return buffer.Length;
}
else
return this.socket.Send(buffer, 0, buffer.Length, SocketFlags.None);
#else
return this.socket.Send(buffer, 0, buffer.Length, SocketFlags.None);
#endif
}
/// <summary>
/// Receive data from the network
/// </summary>
/// <param name="buffer">Data buffer for receiving data</param>
/// <returns>Number of bytes received</returns>
public int Receive(byte[] buffer)
{
#if SSL
if (this.secure)
{
// read all data needed (until fill buffer)
int idx = 0, read = 0;
while (idx < buffer.Length)
{
// fixed scenario with socket closed gracefully by peer/broker and
// Read return 0. Avoid infinite loop.
read = this.sslStream.Read(buffer, idx, buffer.Length - idx);
if (read == 0)
return 0;
idx += read;
}
return buffer.Length;
}
else
{
// read all data needed (until fill buffer)
int idx = 0, read = 0;
while (idx < buffer.Length)
{
// fixed scenario with socket closed gracefully by peer/broker and
// Read return 0. Avoid infinite loop.
read = this.socket.Receive(buffer, idx, buffer.Length - idx, SocketFlags.None);
if (read == 0)
return 0;
idx += read;
}
return buffer.Length;
}
#else
// read all data needed (until fill buffer)
int idx = 0, read = 0;
while (idx < buffer.Length)
{
// fixed scenario with socket closed gracefully by peer/broker and
// Read return 0. Avoid infinite loop.
read = this.socket.Receive(buffer, idx, buffer.Length - idx, SocketFlags.None);
if (read == 0)
return 0;
idx += read;
}
return buffer.Length;
#endif
}
/// <summary>
/// Receive data from the network channel with a specified timeout
/// </summary>
/// <param name="buffer">Data buffer for receiving data</param>
/// <param name="timeout">Timeout on receiving (in milliseconds)</param>
/// <returns>Number of bytes received</returns>
public int Receive(byte[] buffer, int timeout)
{
// check data availability (timeout is in microseconds)
if (this.socket.Poll(timeout * 1000, SelectMode.SelectRead))
{
return this.Receive(buffer);
}
else
{
return 0;
}
}
/// <summary>
/// Close the network channel
/// </summary>
public void Close()
{
#if SSL
if (this.secure)
{
#if (!MF_FRAMEWORK_VERSION_V4_2 && !MF_FRAMEWORK_VERSION_V4_3)
this.netStream.Close();
#endif
this.sslStream.Close();
}
this.socket.Close();
#else
this.socket.Close();
#endif
}
/// <summary>
/// Accept connection from a remote client
/// </summary>
public void Accept()
{
#if SSL
// secure channel requested
if (secure)
{
#if !(MF_FRAMEWORK_VERSION_V4_2 || MF_FRAMEWORK_VERSION_V4_3)
this.netStream = new NetworkStream(this.socket);
this.sslStream = new SslStream(this.netStream, false, this.userCertificateValidationCallback, this.userCertificateSelectionCallback);
this.sslStream.AuthenticateAsServer(this.serverCert, false, MqttSslUtility.ToSslPlatformEnum(this.sslProtocol), false);
#endif
}
return;
#else
return;
#endif
}
}
/// <summary>
/// IPAddress Utility class
/// </summary>
public static class IPAddressUtility
{
/// <summary>
/// Return AddressFamily for the IP address
/// </summary>
/// <param name="ipAddress">IP address to check</param>
/// <returns>Address family</returns>
public static AddressFamily GetAddressFamily(IPAddress ipAddress)
{
#if (!MF_FRAMEWORK_VERSION_V4_2 && !MF_FRAMEWORK_VERSION_V4_3)
return ipAddress.AddressFamily;
#else
return (ipAddress.ToString().IndexOf(':') != -1) ?
AddressFamily.InterNetworkV6 : AddressFamily.InterNetwork;
#endif
}
}
/// <summary>
/// MQTT SSL utility class
/// </summary>
public static class MqttSslUtility
{
#if (!MF_FRAMEWORK_VERSION_V4_2 && !MF_FRAMEWORK_VERSION_V4_3 && !COMPACT_FRAMEWORK)
public static SslProtocols ToSslPlatformEnum(MqttSslProtocols mqttSslProtocol)
{
switch (mqttSslProtocol)
{
case MqttSslProtocols.None:
return SslProtocols.None;
case MqttSslProtocols.SSLv3:
return SslProtocols.Ssl3;
case MqttSslProtocols.TLSv1_0:
return SslProtocols.Tls;
/*case MqttSslProtocols.TLSv1_1:
return SslProtocols.Tls11;
case MqttSslProtocols.TLSv1_2:
return SslProtocols.Tls12;*/
default:
throw new ArgumentException("SSL/TLS protocol version not supported");
}
}
#elif (MF_FRAMEWORK_VERSION_V4_2 || MF_FRAMEWORK_VERSION_V4_3)
public static SslProtocols ToSslPlatformEnum(MqttSslProtocols mqttSslProtocol)
{
switch (mqttSslProtocol)
{
case MqttSslProtocols.None:
return SslProtocols.None;
case MqttSslProtocols.SSLv3:
return SslProtocols.SSLv3;
case MqttSslProtocols.TLSv1_0:
return SslProtocols.TLSv1;
case MqttSslProtocols.TLSv1_1:
case MqttSslProtocols.TLSv1_2:
default:
throw new ArgumentException("SSL/TLS protocol version not supported");
}
}
#endif
}
}

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mqtt/M2Mqtt/Properties/AssemblyInfo.cs
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/*
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.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
// General Information about an assembly is controlled through the following
// set of attributes. Change these attribute values to modify the information
// associated with an assembly.
[assembly: AssemblyTitle("M2Mqtt")]
[assembly: AssemblyDescription("MQTT Client Library for M2M communication")]
[assembly: AssemblyConfiguration("")]
[assembly: AssemblyCompany("Paolo Patierno")]
[assembly: AssemblyProduct("M2Mqtt")]
[assembly: AssemblyCopyright("Copyright © Paolo Patierno 2014")]
[assembly: AssemblyTrademark("")]
[assembly: AssemblyCulture("")]
// Version information for an assembly consists of the following four values:
//
// Major Version
// Minor Version
// Build Number
// Revision
//
[assembly: AssemblyVersion("4.3.0.0")]
// to avoid compilation error (AssemblyFileVersionAttribute doesn't exist) under .Net CF 3.5
#if !WindowsCE
[assembly: AssemblyFileVersion("4.3.0.0")]
#endif

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mqtt/M2Mqtt/Session/MqttBrokerSession.cs
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/*
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 BROKER
using System.Collections;
using System.Collections.Generic;
using uPLibrary.Networking.M2Mqtt.Managers;
using uPLibrary.Networking.M2Mqtt.Messages;
namespace uPLibrary.Networking.M2Mqtt.Session
{
/// <summary>
/// MQTT Broker Session
/// </summary>
public class MqttBrokerSession : MqttSession
{
/// <summary>
/// Client related to the subscription
/// </summary>
public MqttClient Client { get; set; }
/// <summary>
/// Subscriptions for the client session
/// </summary>
public List<MqttSubscription> Subscriptions;
/// <summary>
/// Outgoing messages to publish
/// </summary>
public Queue<MqttMsgPublish> OutgoingMessages;
/// <summary>
/// Constructor
/// </summary>
public MqttBrokerSession()
: base()
{
this.Client = null;
this.Subscriptions = new List<MqttSubscription>();
this.OutgoingMessages = new Queue<MqttMsgPublish>();
}
public override void Clear()
{
base.Clear();
this.Client = null;
this.Subscriptions.Clear();
this.OutgoingMessages.Clear();
}
}
}
#endif

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mqtt/M2Mqtt/Session/MqttClientSession.cs
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/*
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
*/
namespace uPLibrary.Networking.M2Mqtt.Session
{
/// <summary>
/// MQTT Client Session
/// </summary>
public class MqttClientSession : MqttSession
{
/// <summary>
/// Constructor
/// </summary>
/// <param name="clientId">Client Id to create session</param>
public MqttClientSession(string clientId)
: base(clientId)
{
}
}
}

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mqtt/M2Mqtt/Session/MqttSession.cs
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/*
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.Collections;
namespace uPLibrary.Networking.M2Mqtt.Session
{
/// <summary>
/// MQTT Session base class
/// </summary>
public abstract class MqttSession
{
/// <summary>
/// Client Id
/// </summary>
public string ClientId { get; set; }
/// <summary>
/// Messages inflight during session
/// </summary>
public Hashtable InflightMessages { get; set; }
/// <summary>
/// Constructor
/// </summary>
public MqttSession()
: this(null)
{
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="clientId">Client Id to create session</param>
public MqttSession(string clientId)
{
this.ClientId = clientId;
this.InflightMessages = new Hashtable();
}
/// <summary>
/// Clean session
/// </summary>
public virtual void Clear()
{
this.ClientId = null;
this.InflightMessages.Clear();
}
}
}

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mqtt/M2Mqtt/Utility/QueueExtension.cs
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/*
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.Collections;
namespace uPLibrary.Networking.M2Mqtt.Utility
{
/// <summary>
/// Extension class for a Queue
/// </summary>
internal static class QueueExtension
{
/// <summary>
/// Predicate for searching inside a queue
/// </summary>
/// <param name="item">Item of the queue</param>
/// <returns>Result of predicate</returns>
internal delegate bool QueuePredicate(object item);
/// <summary>
/// Get (without removing) an item from queue based on predicate
/// </summary>
/// <param name="queue">Queue in which to search</param>
/// <param name="predicate">Predicate to verify to get item</param>
/// <returns>Item matches the predicate</returns>
internal static object Get(Queue queue, QueuePredicate predicate)
{
foreach (var item in queue)
{
if (predicate(item))
return item;
}
return null;
}
}
}

86
mqtt/M2Mqtt/Utility/Trace.cs
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@ -1,86 +0,0 @@
/*
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.Diagnostics;
namespace uPLibrary.Networking.M2Mqtt.Utility
{
/// <summary>
/// Tracing levels
/// </summary>
public enum TraceLevel
{
Error = 0x01,
Warning = 0x02,
Information = 0x04,
Verbose = 0x0F,
Frame = 0x10,
Queuing = 0x20
}
// delegate for writing trace
public delegate void WriteTrace(string format, params object[] args);
/// <summary>
/// Tracing class
/// </summary>
public static class Trace
{
public static TraceLevel TraceLevel;
public static WriteTrace TraceListener;
[Conditional("DEBUG")]
public static void Debug(string format, params object[] args)
{
if (TraceListener != null)
{
TraceListener(format, args);
}
}
public static void WriteLine(TraceLevel level, string format)
{
if (TraceListener != null && (level & TraceLevel) > 0)
{
TraceListener(format);
}
}
public static void WriteLine(TraceLevel level, string format, object arg1)
{
if (TraceListener != null && (level & TraceLevel) > 0)
{
TraceListener(format, arg1);
}
}
public static void WriteLine(TraceLevel level, string format, object arg1, object arg2)
{
if (TraceListener != null && (level & TraceLevel) > 0)
{
TraceListener(format, arg1, arg2);
}
}
public static void WriteLine(TraceLevel level, string format, object arg1, object arg2, object arg3)
{
if (TraceListener != null && (level & TraceLevel) > 0)
{
TraceListener(format, arg1, arg2, arg3);
}
}
}
}

36
mqtt/M2Mqtt/WinRT/Fx.cs
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@ -1,36 +0,0 @@
/*
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.Threading;
using System.Threading.Tasks;
namespace uPLibrary.Networking.M2Mqtt
{
/// <summary>
/// Support methods fos specific framework
/// </summary>
public class Fx
{
public delegate void ThreadStart();
public static void StartThread(ThreadStart threadStart)
{
Task.Factory.StartNew(o => ((ThreadStart)o)(), threadStart);
}
public static void SleepThread(int millisecondsTimeout) { Task.Delay(millisecondsTimeout).RunSynchronously(); }
}
}

27
mqtt/M2Mqtt/WinRT/Hashtable.cs
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@ -1,27 +0,0 @@
/*
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.Collections.Generic;
namespace uPLibrary.Networking.M2Mqtt
{
/// <summary>
/// Wrapper Hashtable class for generic Dictionary<TKey,TValue> (the only available in WinRT)
/// </summary>
public class Hashtable : Dictionary<object, object>
{
}
}

179
mqtt/M2Mqtt/WinRT/MqttNetworkChannel.cs
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@ -1,179 +0,0 @@
/*
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.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Windows.Networking;
using Windows.Networking.Sockets;
using System.Runtime.InteropServices.WindowsRuntime;
using Windows.Storage.Streams;
using System.Threading;
namespace uPLibrary.Networking.M2Mqtt
{
public class MqttNetworkChannel : IMqttNetworkChannel
{
// stream socket for communication
private StreamSocket socket;
// remote host information
private HostName remoteHostName;
private int remotePort;
// using SSL
private bool secure;
// SSL/TLS protocol version
private MqttSslProtocols sslProtocol;
/// <summary>
/// Constructor
/// </summary>
/// <param name="socket">Socket opened with the client</param>
public MqttNetworkChannel(StreamSocket socket)
{
this.socket = socket;
this.sslProtocol = MqttSslProtocols.None;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="remoteHostName">Remote Host name</param>
/// <param name="remotePort">Remote port</param>
/// <param name="secure">Using SSL</param>
/// <param name="sslProtocol">SSL/TLS protocol version</param>
public MqttNetworkChannel(string remoteHostName, int remotePort, bool secure, MqttSslProtocols sslProtocol)
{
this.remoteHostName = new HostName(remoteHostName);
this.remotePort = remotePort;
this.secure = secure;
this.sslProtocol = sslProtocol;
if (secure && (sslProtocol == MqttSslProtocols.None))
throw new ArgumentException("For secure connection, an SSL/TLS protocol version is needed");
}
public bool DataAvailable
{
get { return true; }
}
public int Receive(byte[] buffer)
{
IBuffer result;
// read all data needed (until fill buffer)
int idx = 0;
while (idx < buffer.Length)
{
// fixed scenario with socket closed gracefully by peer/broker and
// Read return 0. Avoid infinite loop.
// read is executed synchronously
result = this.socket.InputStream.ReadAsync(buffer.AsBuffer(), (uint)buffer.Length, InputStreamOptions.None).AsTask().Result;
if (result.Length == 0)
return 0;
idx += (int)result.Length;
}
return buffer.Length;
}
public int Receive(byte[] buffer, int timeout)
{
CancellationTokenSource cts = new CancellationTokenSource(timeout);
try
{
IBuffer result;
// read all data needed (until fill buffer)
int idx = 0;
while (idx < buffer.Length)
{
// fixed scenario with socket closed gracefully by peer/broker and
// Read return 0. Avoid infinite loop.
// read is executed synchronously
result = this.socket.InputStream.ReadAsync(buffer.AsBuffer(), (uint)buffer.Length, InputStreamOptions.None).AsTask(cts.Token).Result;
if (result.Length == 0)
return 0;
idx += (int)result.Length;
}
return buffer.Length;
}
catch (TaskCanceledException)
{
return 0;
}
}
public int Send(byte[] buffer)
{
// send is executed synchronously
return (int)this.socket.OutputStream.WriteAsync(buffer.AsBuffer()).AsTask().Result;
}
public void Close()
{
this.socket.Dispose();
}
public void Connect()
{
this.socket = new StreamSocket();
// connection is executed synchronously
this.socket.ConnectAsync(this.remoteHostName,
this.remotePort.ToString(),
MqttSslUtility.ToSslPlatformEnum(this.sslProtocol)).AsTask().Wait();
}
public void Accept()
{
// TODO : SSL support with StreamSocket / StreamSocketListener seems to be NOT supported
return;
}
}
/// <summary>
/// MQTT SSL utility class
/// </summary>
public static class MqttSslUtility
{
public static SocketProtectionLevel ToSslPlatformEnum(MqttSslProtocols mqttSslProtocol)
{
switch (mqttSslProtocol)
{
case MqttSslProtocols.None:
return SocketProtectionLevel.PlainSocket;
case MqttSslProtocols.SSLv3:
return SocketProtectionLevel.SslAllowNullEncryption;
case MqttSslProtocols.TLSv1_0:
return SocketProtectionLevel.Tls10;
case MqttSslProtocols.TLSv1_1:
return SocketProtectionLevel.Tls11;
case MqttSslProtocols.TLSv1_2:
return SocketProtectionLevel.Tls12;
default:
throw new ArgumentException("SSL/TLS protocol version not supported");
}
}
}
}

27
mqtt/M2Mqtt/WinRT/Queue.cs
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@ -1,27 +0,0 @@
/*
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.Collections.Generic;
namespace uPLibrary.Networking.M2Mqtt
{
/// <summary>
/// Wrapper Queue class for generic Queue<T> (the only available in WinRT)
/// </summary>
public class Queue : Queue<object>
{
}
}

25
mqtt/M2Mqtt_2.sln
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@ -1,25 +0,0 @@

Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio 15
VisualStudioVersion = 15.0.27004.2010
MinimumVisualStudioVersion = 10.0.40219.1
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "M2Mqtt_2", "M2Mqtt\M2Mqtt_2.csproj", "{A11AEF5A-B246-4FE8-8330-06DB73CC8074}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{A11AEF5A-B246-4FE8-8330-06DB73CC8074}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{A11AEF5A-B246-4FE8-8330-06DB73CC8074}.Debug|Any CPU.Build.0 = Debug|Any CPU
{A11AEF5A-B246-4FE8-8330-06DB73CC8074}.Release|Any CPU.ActiveCfg = Release|Any CPU
{A11AEF5A-B246-4FE8-8330-06DB73CC8074}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {135814CF-A469-4436-9C51-3CFE4B93D2FE}
EndGlobalSection
EndGlobal

25
mqtt/M2Mqtt_4.7.1.sln
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@ -1,25 +0,0 @@

Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio 15
VisualStudioVersion = 15.0.27004.2010
MinimumVisualStudioVersion = 10.0.40219.1
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "M2Mqtt", "M2Mqtt\M2Mqtt_4.7.1.csproj", "{A11AEF5A-B246-4FE8-8330-06DB73CC8074}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{A11AEF5A-B246-4FE8-8330-06DB73CC8074}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{A11AEF5A-B246-4FE8-8330-06DB73CC8074}.Debug|Any CPU.Build.0 = Debug|Any CPU
{A11AEF5A-B246-4FE8-8330-06DB73CC8074}.Release|Any CPU.ActiveCfg = Release|Any CPU
{A11AEF5A-B246-4FE8-8330-06DB73CC8074}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {135814CF-A469-4436-9C51-3CFE4B93D2FE}
EndGlobalSection
EndGlobal