Kenneth Skovhede
842fd96543
Added ID's to each log message and each exception to allow later introduction of a Knowledgebase service that explains each error in more detail.
103 lines
4.4 KiB
C#
103 lines
4.4 KiB
C#
// Copyright (C) 2018, The Duplicati Team
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// http://www.duplicati.com, info@duplicati.com
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//
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 2.1 of the
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// License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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using System;
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using System.Collections.Generic;
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using Duplicati.Library.Logging;
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namespace Duplicati.Library.Main
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{
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/// <summary>
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/// The log target handler for the controller, which sends to multiple log targets
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/// </summary>
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public class ControllerMultiLogTarget : Logging.ILogDestination, IDisposable
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{
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/// <summary>
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/// The list of log targets to handle
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/// </summary>
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private List<Tuple<ILogDestination, LogMessageType, Library.Utility.IFilter>> m_targets = new List<Tuple<ILogDestination, LogMessageType, Library.Utility.IFilter>>();
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/// <summary>
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/// Initializes a new instance of the <see cref="T:Duplicati.Library.Main.ControllerMultiLogTarget"/> class.
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/// </summary>
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/// <param name="target">The log target.</param>
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/// <param name="loglevel">The minimum log level to consider</param>
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/// <param name="filter">The log filter.</param>
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public ControllerMultiLogTarget(ILogDestination target, Logging.LogMessageType loglevel, Library.Utility.IFilter filter)
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{
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AddTarget(target, loglevel, filter);
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}
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/// <summary>
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/// Adds the target to the list.
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/// </summary>
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/// <param name="target">The log target.</param>
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/// <param name="loglevel">The minimum log level to consider</param>
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/// <param name="filter">The log filter.</param>
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public void AddTarget(ILogDestination target, LogMessageType loglevel, Library.Utility.IFilter filter)
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{
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if (target == null)
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return;
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m_targets.Add(new Tuple<ILogDestination, LogMessageType, Library.Utility.IFilter>(target, loglevel, filter ?? new Library.Utility.FilterExpression()));
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}
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/// <summary>
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/// Releases all resource used by the <see cref="T:Duplicati.Library.Main.ControllerMultiLogTarget"/> object.
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/// </summary>
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/// <remarks>Call <see cref="Dispose"/> when you are finished using the
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/// <see cref="T:Duplicati.Library.Main.ControllerMultiLogTarget"/>. The <see cref="Dispose"/> method leaves the
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/// <see cref="T:Duplicati.Library.Main.ControllerMultiLogTarget"/> in an unusable state. After calling
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/// <see cref="Dispose"/>, you must release all references to the
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/// <see cref="T:Duplicati.Library.Main.ControllerMultiLogTarget"/> so the garbage collector can reclaim the
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/// memory that the <see cref="T:Duplicati.Library.Main.ControllerMultiLogTarget"/> was occupying.</remarks>
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public void Dispose()
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{
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foreach (var m in m_targets)
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(m.Item1 as IDisposable)?.Dispose();
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m_targets.Clear();
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}
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/// <summary>
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/// Writes the message to all the destinations.
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/// </summary>
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/// <param name="entry">Entry.</param>
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public void WriteMessage(LogEntry entry)
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{
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foreach (var e in m_targets)
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{
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var found = e.Item3.Matches(entry.Tag, out var result, out var match);
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// If there is a filter match, use that
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if (found)
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{
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if (!result)
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continue;
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}
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else
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{
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// Otherwise, filter by log-level
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if (entry.Level < e.Item2)
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continue;
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}
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// If we get here, write the message
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e.Item1.WriteMessage(entry);
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}
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}
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}
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}
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