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170 lines
No EOL
4.9 KiB
C#
170 lines
No EOL
4.9 KiB
C#
#region License Information (GPL v3)
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/*
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ShareX - A program that allows you to take screenshots and share any file type
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Copyright (c) 2007-2018 ShareX Team
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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Optionally you can also view the license at <http://www.gnu.org/licenses/>.
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*/
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#endregion License Information (GPL v3)
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using System;
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using System.Collections.Concurrent;
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using System.Diagnostics;
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using System.IO;
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using System.Text;
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namespace ShareX.HelpersLib
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{
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public class Logger
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{
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public delegate void MessageAddedEventHandler(string message);
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public event MessageAddedEventHandler MessageAdded;
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public string MessageFormat { get; set; } = "{0:yyyy-MM-dd HH:mm:ss.fff} - {1}";
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public bool AsyncWrite { get; set; } = true;
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public bool DebugWrite { get; set; } = true;
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public bool StringWrite { get; set; } = true;
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public bool FileWrite { get; set; } = false;
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public string LogFilePath { get; private set; }
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private readonly object loggerLock = new object();
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private ConcurrentQueue<string> messageQueue = new ConcurrentQueue<string>();
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private StringBuilder sbMessages = new StringBuilder();
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public Logger()
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{
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}
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public Logger(string logFilePath)
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{
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FileWrite = true;
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LogFilePath = logFilePath;
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Helpers.CreateDirectoryFromFilePath(LogFilePath);
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}
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protected void OnMessageAdded(string message)
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{
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if (MessageAdded != null)
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{
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MessageAdded(message);
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}
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}
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private void ProcessMessageQueue()
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{
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lock (loggerLock)
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{
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while (messageQueue.TryDequeue(out string message))
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{
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if (DebugWrite)
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{
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Debug.Write(message);
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}
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if (StringWrite && sbMessages != null)
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{
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sbMessages.Append(message);
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}
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if (FileWrite && !string.IsNullOrEmpty(LogFilePath))
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{
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try
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{
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File.AppendAllText(LogFilePath, message, Encoding.UTF8);
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}
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catch (Exception e)
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{
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Debug.WriteLine(e);
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}
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}
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OnMessageAdded(message);
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}
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}
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}
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public void Write(string message)
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{
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if (message != null)
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{
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message = string.Format(MessageFormat, DateTime.Now, message);
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messageQueue.Enqueue(message);
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if (AsyncWrite)
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{
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TaskEx.Run(() => ProcessMessageQueue());
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}
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else
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{
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ProcessMessageQueue();
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}
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}
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}
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public void Write(string format, params object[] args)
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{
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Write(string.Format(format, args));
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}
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public void WriteLine(string message)
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{
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Write(message + Environment.NewLine);
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}
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public void WriteLine(string format, params object[] args)
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{
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WriteLine(string.Format(format, args));
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}
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public void WriteException(string exception, string message = "Exception")
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{
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WriteLine($"{message}:{Environment.NewLine}{exception}");
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}
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public void WriteException(Exception exception, string message = "Exception")
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{
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WriteException(exception.ToString(), message);
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}
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public void Clear()
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{
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lock (loggerLock)
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{
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if (sbMessages != null)
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{
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sbMessages.Clear();
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}
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}
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}
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public override string ToString()
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{
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lock (loggerLock)
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{
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if (sbMessages != null && sbMessages.Length > 0)
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{
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return sbMessages.ToString();
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}
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return null;
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}
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}
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}
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} |