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.
79 lines
2.9 KiB
C#
79 lines
2.9 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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namespace Duplicati.Library.Logging
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{
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/// <summary>
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/// A log destinations that invokes a method
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/// </summary>
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internal class FunctionLogDestination : ILogDestination
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{
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/// <summary>
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/// The method to call for logging
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/// </summary>
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private readonly Action<LogEntry> m_entry;
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/// <summary>
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/// Initializes a new instance of the <see cref="T:Duplicati.Library.Logging.FunctionLogDestination"/> class.
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/// </summary>
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/// <param name="entry">The method to call for logging.</param>
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public FunctionLogDestination(Action<LogEntry> entry)
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{
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m_entry = entry ?? throw new ArgumentNullException(nameof(entry));
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}
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/// <summary>
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/// Writes the message by invoking the handler.
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/// </summary>
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/// <param name="entry">The entry to log.</param>
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public void WriteMessage(LogEntry entry)
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{
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m_entry.Invoke(entry);
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}
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}
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/// <summary>
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/// A log filter that wraps a callback method
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/// </summary>
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internal class FunctionFilter : ILogFilter
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{
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/// <summary>
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/// The method to call for filtering
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/// </summary>
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private readonly Func<LogEntry, bool> m_handler;
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/// <summary>
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/// Initializes a new instance of the <see cref="T:Duplicati.Library.Logging.FunctionFilter"/> class.
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/// </summary>
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/// <param name="handler">The method to call for filtering.</param>
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public FunctionFilter(Func<LogEntry, bool> handler)
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{
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m_handler = handler ?? throw new ArgumentNullException(nameof(handler));
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}
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/// <summary>
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/// Determines if the element is accepted or nor
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/// </summary>
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/// <returns>A value indicating if the value is accepted or not.</returns>
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/// <param name="entry">The log entry to filter.</param>
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public bool Accepts(LogEntry entry)
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{
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return m_handler(entry);
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}
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}
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}
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