101 lines
4.0 KiB
C#
101 lines
4.0 KiB
C#
// Copyright (C) 2024, The Duplicati Team
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// https://duplicati.com, hello@duplicati.com
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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using System;
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using System.Diagnostics;
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using System.Runtime.Versioning;
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using Duplicati.Library.Logging;
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namespace Duplicati.Server
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{
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/// <summary>
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/// Writes log messages to the Windows Event Log
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/// </summary>
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[SupportedOSPlatform("windows")]
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public class WindowsEventLogSource : ILogDestination, IDisposable
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{
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/// <summary>
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/// The event log to write to
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/// </summary>
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private readonly EventLog m_eventLog;
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/// <summary>
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/// Initializes a new instance of the <see cref="WindowsEventLogSource"/> class.
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/// </summary>
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/// <param name="source">The source of the log messages</param>
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/// <param name="log">The log to write to</param>
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public WindowsEventLogSource(string source, string log = "Application")
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{
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m_eventLog = new EventLog
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{
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Source = source,
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Log = log
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};
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}
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/// <summary>
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/// Checks if the source exists
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/// </summary>
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/// <param name="source">The source to check</param>
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/// <returns>True if the source exists</returns>
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public static bool SourceExists(string source)
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=> EventLog.SourceExists(source);
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/// <summary>
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/// Creates a new event source
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/// </summary>
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/// <param name="source">The source to create</param>
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/// <param name="log">The log to write to</param>
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public static void CreateEventSource(string source, string log = "Application")
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{
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if (!SourceExists(source))
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EventLog.CreateEventSource(source, log);
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}
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/// <inheritdoc />
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public void Dispose() => m_eventLog.Dispose();
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/// <inheritdoc />
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public void WriteMessage(LogEntry entry)
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=> m_eventLog.WriteEntry(entry.AsString(true), ToEventLogType(entry.Level));
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/// <summary>
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/// Converts a log message type to an windows event log type
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/// </summary>
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/// <param name="level">The log message type</param>
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/// <returns>The windows event log type</returns>
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private static EventLogEntryType ToEventLogType(LogMessageType level)
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{
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return level switch
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{
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LogMessageType.ExplicitOnly => EventLogEntryType.Information,
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LogMessageType.Profiling => EventLogEntryType.Information,
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LogMessageType.Verbose => EventLogEntryType.Information,
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LogMessageType.Retry => EventLogEntryType.Warning,
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LogMessageType.Information => EventLogEntryType.Information,
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LogMessageType.DryRun => EventLogEntryType.Information,
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LogMessageType.Warning => EventLogEntryType.Warning,
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LogMessageType.Error => EventLogEntryType.Error,
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_ => EventLogEntryType.Information
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};
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}
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}
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} |