Add Syslog ILogger provider

README.md

@@ -16,6 +16,8 @@
 | nanoFramework.Logging.Serial (preview) | [![Build Status](https://dev.azure.com/nanoframework/nanoframework.Logging/_apis/build/status/nanoframework.nanoFramework.Logging?branchName=develop)](https://dev.azure.com/nanoframework/nanoframework.Logging/_build/latest?definitionId=71&branchName=develop) | [![NuGet](https://img.shields.io/nuget/vpre/nanoFramework.Logging.Serial.svg?label=NuGet&style=flat&logo=nuget)](https://www.nuget.org/packages/nanoFramework.Logging.Serial/) |
 | nanoFramework.Logging.Stream | [![Build Status](https://dev.azure.com/nanoframework/nanoframework.Logging/_apis/build/status/nanoframework.nanoFramework.Logging?branchName=main)](https://dev.azure.com/nanoframework/nanoframework.Logging/_build/latest?definitionId=71&branchName=main) | [![NuGet](https://img.shields.io/nuget/v/nanoFramework.Logging.Stream.svg?label=NuGet&style=flat&logo=nuget)](https://www.nuget.org/packages/nanoFramework.Logging.Stream/) |
 | nanoFramework.Logging.Stream (preview) | [![Build Status](https://dev.azure.com/nanoframework/nanoframework.Logging/_apis/build/status/nanoframework.nanoFramework.Logging?branchName=develop)](https://dev.azure.com/nanoframework/nanoframework.Logging/_build/latest?definitionId=71&branchName=develop) | [![NuGet](https://img.shields.io/nuget/vpre/nanoFramework.Logging.Stream.svg?label=NuGet&style=flat&logo=nuget)](https://www.nuget.org/packages/nanoFramework.Logging.Stream/) |
+| nanoFramework.Logging.Syslog | [![Build Status](https://dev.azure.com/nanoframework/nanoframework.Logging/_apis/build/status/nanoframework.nanoFramework.Logging?branchName=main)](https://dev.azure.com/nanoframework/nanoframework.Logging/_build/latest?definitionId=71&branchName=main) | [![NuGet](https://img.shields.io/nuget/v/nanoFramework.Logging.Syslog.svg?label=NuGet&style=flat&logo=nuget)](https://www.nuget.org/packages/nanoFramework.Logging.Syslog/) |
+| nanoFramework.Logging.Syslog (preview) | [![Build Status](https://dev.azure.com/nanoframework/nanoframework.Logging/_apis/build/status/nanoframework.nanoFramework.Logging?branchName=develop)](https://dev.azure.com/nanoframework/nanoframework.Logging/_build/latest?definitionId=71&branchName=develop) | [![NuGet](https://img.shields.io/nuget/vpre/nanoFramework.Logging.Syslog.svg?label=NuGet&style=flat&logo=nuget)](https://www.nuget.org/packages/nanoFramework.Logging.Syslog/) |
 
 
 ## Feedback and documentation

nanoFramework.Logging.Syslog.nuspec

@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="utf-8"?>
+<package xmlns="http://schemas.microsoft.com/packaging/2012/06/nuspec.xsd">
+  <metadata>
+    <id>nanoFramework.Logging.Syslog</id>
+    <version>$version$</version>
+    <title>nanoFramework.Logging.Syslog</title>
+    <authors>nanoFramework project contributors</authors>
+    <owners>nanoFramework,dotnetfoundation</owners>
+    <requireLicenseAcceptance>false</requireLicenseAcceptance>
+    <license type="file">LICENSE.md</license>
+    <releaseNotes>
+    </releaseNotes>
+    <readme>docs\README.md</readme>
+    <developmentDependency>false</developmentDependency>
+    <projectUrl>https://github.com/nanoframework/nanoFramework.Logging</projectUrl>
+    <icon>images\nf-logo.png</icon>
+    <repository type="git" url="https://github.com/nanoframework/nanoFramework.Logging" commit="$commit$" />
+    <copyright>Copyright (c) .NET Foundation and Contributors</copyright>
+    <description>This package includes the nanoFramework.Logging.Syslog assembly (Syslog Logging only) for .NET nanoFramework C# projects.
+There is also a package with the Serial Logging, another with Stream Logging only and another with the basic Debug Logging.</description>
+    <tags>nanoFramework C# csharp netmf netnf nanoFramework.Logging.Syslog</tags>
+    <dependencies>
+      <dependency id="nanoFramework.CoreLibrary" version="1.12.0-preview.1" />
+      <dependency id="nanoFramework.Runtime.Events" version="1.10.0-preview.4" />
+      <dependency id="nanoFramework.System.Text" version="1.1.3-preview.7" />
+      <dependency id="nanoFramework.System.Net" version="1.8.0-preview.15" />
+      <dependency id="nanoFramework.System.Threading" version="1.0.4-preview.8" />
+      <dependency id="nanoFramework.Logging" version="$version$" />
+    </dependencies>
+  </metadata>
+  <files>
+    <file src="nanoFramework.Logging.Syslog\bin\Release\nanoFramework.Logging.Syslog.dll" target="lib\nanoFramework.Logging.Syslog.dll" />
+    <file src="nanoFramework.Logging.Syslog\bin\Release\nanoFramework.Logging.Syslog.pdb" target="lib\nanoFramework.Logging.Syslog.pdb" />
+    <file src="nanoFramework.Logging.Syslog\bin\Release\nanoFramework.Logging.Syslog.pdbx" target="lib\nanoFramework.Logging.Syslog.pdbx" />
+    <file src="nanoFramework.Logging.Syslog\bin\Release\nanoFramework.Logging.Syslog.pe" target="lib\nanoFramework.Logging.Syslog.pe" />
+    <file src="nanoFramework.Logging.Syslog\bin\Release\nanoFramework.Logging.Syslog.xml" target="lib\nanoFramework.Logging.Syslog.xml" />
+    <file src="assets\readme.txt" target="" />
+    <file src="README.md" target="docs\" />
+    <file src="assets\nf-logo.png" target="images" />
+    <file src="LICENSE.md" target="" />
+  </files>
+</package>

nanoFramework.Logging.Syslog/Facility.cs

@@ -0,0 +1,110 @@
+//
+// Copyright (c) .NET Foundation and Contributors
+// See LICENSE file in the project root for full license information.
+//
+
+namespace nanoFramework.Logging.Syslog
+{
+    /// <summary>
+    /// Available facility types (RFC 3164).
+    /// </summary>
+    public enum Facility
+    {
+        /// <summary>
+        /// kernel messages
+        /// </summary>
+        Kern = 0,
+        /// <summary>
+        /// user-level messages
+        /// </summary>
+        User = 1,
+        /// <summary>
+        /// mail system
+        /// </summary>
+        Mail = 2,
+        /// <summary>
+        /// system daemons
+        /// </summary>
+        Daemon = 3,
+        /// <summary>
+        /// security/authorization messages
+        /// </summary>
+        Auth = 4,
+        /// <summary>
+        /// messages generated internally by syslogd
+        /// </summary>
+        Syslog = 5,
+        /// <summary>
+        /// line printer subsystem
+        /// </summary>
+        LPR = 6,
+        /// <summary>
+        /// network news subsystem
+        /// </summary>
+        News = 7,
+        /// <summary>
+        /// UUCP subsystem
+        /// </summary>
+        UUCP = 8,
+        /// <summary>
+        /// clock daemon
+        /// </summary>
+        Cron = 9,
+        /// <summary>
+        /// security/authorization messages
+        /// </summary>
+        AuthPriv = 10,
+        /// <summary>
+        /// FTP daemon
+        /// </summary>
+        FTP = 11,
+        /// <summary>
+        /// NTP subsystem
+        /// </summary>
+        NTP = 12,
+        /// <summary>
+        /// log audit
+        /// </summary>
+        Audit = 13,
+        /// <summary>
+        /// log alert
+        /// </summary>
+        Audit2 = 14,
+        /// <summary>
+        /// clock daemon
+        /// </summary>
+        Cron2 = 15,
+        /// <summary>
+        /// local use 0  (local0)
+        /// </summary>
+        Local0 = 16,
+        /// <summary>
+        /// local use 1  (local1)
+        /// </summary>
+        Local1 = 17,
+        /// <summary>
+        /// local use 2  (local2)
+        /// </summary>
+        Local2 = 18,
+        /// <summary>
+        /// local use 3  (local3)
+        /// </summary>
+        Local3 = 19,
+        /// <summary>
+        /// local use 4  (local4)
+        /// </summary>
+        Local4 = 20,
+        /// <summary>
+        /// local use 5  (local5)
+        /// </summary>
+        Local5 = 21,
+        /// <summary>
+        /// local use 6  (local6)
+        /// </summary>
+        Local6 = 22,
+        /// <summary>
+        /// local use 7  (local7)
+        /// </summary>
+        Local7 = 23
+    }
+}

nanoFramework.Logging.Syslog/Properties/AssemblyInfo.cs

@@ -0,0 +1,22 @@
+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("nanoFramework.Logging")]
+[assembly: AssemblyCompany("nanoFramework Contributors")]
+[assembly: AssemblyProduct("nanoFramework.Logging")]
+[assembly: AssemblyCopyright("Copyright (c) .NET Foundation and Contributors")]
+
+// Setting ComVisible to false makes the types in this assembly not visible 
+// to COM components.  If you need to access a type in this assembly from 
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+/////////////////////////////////////////////////////////////////
+// This attribute is mandatory when building Interop libraries //
+// update this whenever the native assembly signature changes  //
+[assembly: AssemblyNativeVersion("1.0.0.0")]
+/////////////////////////////////////////////////////////////////

nanoFramework.Logging.Syslog/Severity.cs

@@ -0,0 +1,52 @@
+//
+// Copyright (c) .NET Foundation and Contributors
+// See LICENSE file in the project root for full license information.
+//
+
+using Microsoft.Extensions.Logging;
+
+namespace nanoFramework.Logging.Syslog
+{
+    /// <summary>
+    /// Severity represents the Severity in the Syslog messages. This corresponds to the values defined in RFC 3164 except None which means that the message won't be sent.
+    /// </summary>
+    public enum Severity
+    {
+        /// <summary>
+        /// Not an official RFC3164 facility. No entry will be generated when called with this Severity
+        /// </summary>
+        None = -1,
+        /// <summary>
+        /// Emergency: system is unusable. No equivalent in <see cref="LogLevel"/>
+        /// </summary>
+        Emergency,
+        /// <summary>
+        /// Alert: action must be taken immediately. No equivalent in <see cref="LogLevel"/>
+        /// </summary>
+        Alert,
+        /// <summary>
+        /// Critical: critical conditions. Mapped to <see cref="LogLevel.Critical"/>
+        /// </summary>
+        Critical,
+        /// <summary>
+        /// Error: error conditions. Mapped to <see cref="LogLevel.Error"/>
+        /// </summary>
+        Error,
+        /// <summary>
+        /// Warning: warning conditions. Mapped to <see cref="LogLevel.Warning"/>
+        /// </summary>
+        Warning,
+        /// <summary>
+        /// Notice: normal but significant condition. No equivalent in <see cref="LogLevel"/>
+        /// </summary>
+        Notice,
+        /// <summary>
+        /// Informational: informational messages. Mapped to <see cref="LogLevel.Information"/>
+        /// </summary>
+        Informational,
+        /// <summary>
+        /// Debug: debug-level messages. Mapped to <see cref="LogLevel.Debug"/> and <see cref="LogLevel.Trace"/>
+        /// </summary>
+        Debug
+    };
+}