Files
duplicati/Duplicati/Server/WindowsEventLogSource.cs
T

69 lines
2.5 KiB
C#

using System;
using System.Diagnostics;
using System.Runtime.Versioning;
using Duplicati.Library.Logging;
namespace Duplicati.Server
{
/// <summary>
/// Writes log messages to the Windows Event Log
/// </summary>
[SupportedOSPlatform("windows")]
public class WindowsEventLogSource : ILogDestination, IDisposable
{
/// <summary>
/// The event log to write to
/// </summary>
private readonly EventLog m_eventLog;
/// <summary>
/// Initializes a new instance of the <see cref="WindowsEventLogSource"/> class.
/// </summary>
/// <param name="source">The source of the log messages</param>
/// <param name="log">The log to write to</param>
public WindowsEventLogSource(string source, string log = "Application")
{
m_eventLog = new EventLog
{
Source = source,
Log = log
};
}
/// <summary>
/// Checks if the source exists
/// </summary>
/// <param name="source">The source to check</param>
/// <returns>True if the source exists</returns>
public static bool SourceExists(string source)
=> EventLog.SourceExists(source);
/// <inheritdoc />
public void Dispose() => m_eventLog.Dispose();
/// <inheritdoc />
public void WriteMessage(LogEntry entry)
=> m_eventLog.WriteEntry(entry.AsString(true), ToEventLogType(entry.Level));
/// <summary>
/// Converts a log message type to an windows event log type
/// </summary>
/// <param name="level">The log message type</param>
/// <returns>The windows event log type</returns>
private static EventLogEntryType ToEventLogType(LogMessageType level)
{
return level switch
{
LogMessageType.ExplicitOnly => EventLogEntryType.Information,
LogMessageType.Profiling => EventLogEntryType.Information,
LogMessageType.Verbose => EventLogEntryType.Information,
LogMessageType.Retry => EventLogEntryType.Warning,
LogMessageType.Information => EventLogEntryType.Information,
LogMessageType.DryRun => EventLogEntryType.Information,
LogMessageType.Warning => EventLogEntryType.Warning,
LogMessageType.Error => EventLogEntryType.Error,
_ => EventLogEntryType.Information
};
}
}
}