implab/ImplabNet Files · Implab/Diagnostics/TextFileListener.cs

Reworked cancelation handling, if the cancel handler isn't specified the OperationCanceledException will be handled by the error handler...

Reworked cancelation handling, if the cancel handler isn't specified the OperationCanceledException will be handled by the error handler Any unhandled OperationCanceledException will cause the promise cancelation

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             TextFileListener.cs
        
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             / Implab / Diagnostics / TextFileListener.cs
          
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      using System;

      using System.IO;

      using System.Text;

      namespace Implab.Diagnostics {

          public class TextFileListener: ListenerBase {

              readonly TextWriter m_textWriter;

              public TextFileListener(string fileName) {

                  m_textWriter = File.CreateText(fileName);

                  m_textWriter.WriteLine("LOG {0}", DateTime.Now);

              }

              #region implemented abstract members of ListenerBase

              public override void Write(LogEventArgs args, object entry) {

                  var msg = new StringBuilder();

                  for (int i = 0; i < args.Operation.Level; i++)

                      msg.Append("  ");

                  msg.AppendFormat("[{0}]:{1}: {2}", args.ThreadId, args.ChannelName, entry);

                  lock (m_textWriter) {

                      if (!IsDisposed) {

                          // тут гарантировано еще не освобожден m_textWriter

                          m_textWriter.WriteLine(msg);

                          m_textWriter.Flush();

                      }

                  }

              }

              #endregion

              protected override void Dispose(bool disposing) {

                  base.Dispose(disposing);

                  if (disposing) {

                      // IsDisposed = true

                      lock (m_textWriter) {

                          Safe.Dispose(m_textWriter);

                      }

                  }

              }

          }

      }

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				using System;
				using System.IO;
				using System.Text;

				namespace Implab.Diagnostics {
				public class TextFileListener: ListenerBase {
				readonly TextWriter m_textWriter;

				public TextFileListener(string fileName) {
				m_textWriter = File.CreateText(fileName);

				m_textWriter.WriteLine("LOG {0}", DateTime.Now);
				}

				#region implemented abstract members of ListenerBase

				public override void Write(LogEventArgs args, object entry) {
				var msg = new StringBuilder();
				for (int i = 0; i < args.Operation.Level; i++)
				msg.Append(" ");
				msg.AppendFormat("[{0}]:{1}: {2}", args.ThreadId, args.ChannelName, entry);

				lock (m_textWriter) {
				if (!IsDisposed) {
				// тут гарантировано еще не освобожден m_textWriter
				m_textWriter.WriteLine(msg);
				m_textWriter.Flush();
				}
				}
				}

				#endregion

				protected override void Dispose(bool disposing) {
				base.Dispose(disposing);
				if (disposing) {
				// IsDisposed = true
				lock (m_textWriter) {
				Safe.Dispose(m_textWriter);
				}
				}
				}


				}
				}