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duplicati/Duplicati/Library/Logging/StreamLog.cs
T

98 lines
3.3 KiB
C#

#region Disclaimer / License
// Copyright (C) 2011, Kenneth Skovhede
// http://www.hexad.dk, opensource@hexad.dk
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
#endregion
using System;
using System.Collections.Generic;
using System.Text;
namespace Duplicati.Library.Logging
{
/// <summary>
/// Writes log messages to a stream
/// </summary>
public class StreamLog : ILog, IDisposable
{
private System.IO.StreamWriter m_stream;
/// <summary>
/// Constructs a new log destination, writing to the supplied stream
/// </summary>
/// <param name="stream">The stream to write log messages into</param>
public StreamLog(System.IO.Stream stream)
{
m_stream = new System.IO.StreamWriter(stream);
m_stream.AutoFlush = true;
}
/// <summary>
/// Constructs a new log destination, writing to the supplied file
/// </summary>
/// <param name="filename">The file to write to</param>
public StreamLog(string filename)
: this(new System.IO.FileStream(filename, System.IO.FileMode.Append, System.IO.FileAccess.Write))
{
}
#region ILog Members
/// <summary>
/// The function called when a message is logged
/// </summary>
/// <param name="message">The message logged</param>
/// <param name="type">The type of message logged</param>
/// <param name="exception">An exception, may be null</param>
public virtual void WriteMessage(string message, LogMessageType type, Exception exception)
{
m_stream.WriteLine(type.ToString() + ": " + message);
if (exception != null)
{
m_stream.WriteLine(exception.ToString());
m_stream.WriteLine();
}
if (EventLogged != null)
EventLogged(message, type, exception);
}
/// <summary>
/// An event that is raised when a message is logged
/// </summary>
public event EventLoggedDelgate EventLogged;
#endregion
#region IDisposable Members
/// <summary>
/// Frees up all internally held resources
/// </summary>
public void Dispose()
{
try { if (m_stream != null) m_stream.Flush(); }
catch { }
try { if (m_stream != null) m_stream.Close(); }
catch { }
m_stream = null;
}
#endregion
}
}