Logger.cs

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using System;
using System.Runtime.CompilerServices;
using System.Threading;

namespace Logging
{
    public class Logger
    {
        private LoggerTask loggerTask;
        private Thread workerThread;

        public void StartLogging(string folder, string fileName)
        {
            if (this.loggerTask != null)
                this.CloseLoggerTask();
            this.loggerTask = new LoggerTask(folder, fileName);
            this.workerThread = new Thread(this.loggerTask.DoWork) {IsBackground = true};
            this.workerThread.Start();
        }

        public void LogException(Exception exception, [CallerMemberName] string memberName = "", [CallerFilePath] string filePath = "", [CallerLineNumber] int lineNumber = 0)
        {
            this.loggerTask?.EnqueueObject(new LoggerInfo(DateTime.Now, Severity.Exception, exception + exception.StackTrace, memberName, filePath, lineNumber));
        }

        public void LogWarning(string message, [CallerMemberName] string memberName = "", [CallerFilePath] string filePath = "", [CallerLineNumber] int lineNumber = 0)
        {
            this.loggerTask?.EnqueueObject(new LoggerInfo(DateTime.Now, Severity.Warning, message, memberName, filePath, lineNumber));
        }

        public void LogInfo(string message, [CallerMemberName] string memberName = "", [CallerFilePath] string filePath = "", [CallerLineNumber] int lineNumber = 0)
        {
            this.loggerTask?.EnqueueObject(new LoggerInfo(DateTime.Now, Severity.Info, message, memberName, filePath, lineNumber));
        }

        public void Dispose()
        {
            this.CloseLoggerTask();
        }

        private void CloseLoggerTask()
        {
            this.loggerTask.Stop();

            while (!this.loggerTask.IsStopped)
            {
                Thread.Sleep(20);
            }
        }
    }
}