TraceSource.cs :  » 2.6.4-mono-.net-core » System.Diagnostics » System » Diagnostics » C# / CSharp Open Source

//
// TraceSource.cs
//
// Author:
//  Atsushi Enomoto  <atsushi@ximian.com>
//
// Copyright (C) 2007 Novell, Inc.
//

//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

#if NET_2_0

using System;
using System.Collections;
using System.Collections.Specialized;
using System.Configuration;

namespace System.Diagnostics{
  public class TraceSource
  {
    SourceSwitch source_switch;
    TraceListenerCollection listeners;

    public TraceSource (string name)
      : this (name, SourceLevels.Off)
    {
    }

    public TraceSource (string name, SourceLevels sourceLevels)
    {
      if (name == null)
        throw new ArgumentNullException ("name");
      Hashtable sources = DiagnosticsConfiguration.Settings ["sources"] as Hashtable;
      TraceSourceInfo info = sources != null ? sources [name] as TraceSourceInfo : null;
      source_switch = new SourceSwitch (name);

      if (info == null)
        listeners = new TraceListenerCollection ();
      else {
        source_switch.Level = info.Levels;
        listeners = info.Listeners;
      }
    }

    public StringDictionary Attributes {
      get { return source_switch.Attributes; }
    }

    public TraceListenerCollection Listeners {
      get { return listeners; }
    }

    public string Name {
      get { return source_switch.DisplayName; }
    }

    public SourceSwitch Switch {
      get { return source_switch; }
      set {
        if (value == null)
          throw new ArgumentNullException ("value");
        source_switch = value;
      }
    }

    public void Close ()
    {
      lock (((ICollection) listeners).SyncRoot) {
        foreach (TraceListener tl in listeners)
          tl.Close ();
      }
    }

    public void Flush ()
    {
      lock (((ICollection) listeners).SyncRoot) {
        foreach (TraceListener tl in listeners)
          tl.Flush ();
      }
    }

    [Conditional ("TRACE")]
    public void TraceData (
      TraceEventType eventType, int id, object data)
    {
      if (!source_switch.ShouldTrace (eventType))
        return;
      lock (((ICollection) listeners).SyncRoot) {
        foreach (TraceListener tl in listeners)
          tl.TraceData (null, Name, eventType, id, data);
      }
    }

    [Conditional ("TRACE")]
    public void TraceData (
      TraceEventType eventType, int id, params object [] data)
    {
      if (!source_switch.ShouldTrace (eventType))
        return;
      lock (((ICollection) listeners).SyncRoot) {
        foreach (TraceListener tl in listeners)
          tl.TraceData (null, Name, eventType, id, data);
      }
    }

    [Conditional ("TRACE")]
    public void TraceEvent (TraceEventType eventType, int id)
    {
      if (!source_switch.ShouldTrace (eventType))
        return;
      lock (((ICollection) listeners).SyncRoot) {
        foreach (TraceListener tl in listeners)
          tl.TraceEvent (null, Name, eventType, id);
      }
    }

    [Conditional ("TRACE")]
    public void TraceEvent (TraceEventType eventType,
      int id, string message)
    {
      if (!source_switch.ShouldTrace (eventType))
        return;
      lock (((ICollection) listeners).SyncRoot) {
        foreach (TraceListener tl in listeners)
          tl.TraceEvent (null, Name, eventType, id, message);
      }
    }

    [Conditional ("TRACE")]
    public void TraceEvent (TraceEventType eventType,
      int id, string format, params object [] args)
    {
      if (!source_switch.ShouldTrace (eventType))
        return;
      lock (((ICollection) listeners).SyncRoot) {
        foreach (TraceListener tl in listeners)
          tl.TraceEvent (null, Name, eventType, id, format, args);
      }
    }

    [Conditional ("TRACE")]
    public void TraceInformation (string format)
    {
      TraceEvent (TraceEventType.Information, 0, format);
    }

    [Conditional ("TRACE")]
    public void TraceInformation (
      string format, params object [] args)
    {
      TraceEvent (TraceEventType.Information, 0, format, args);
    }

    [Conditional ("TRACE")]
    public void TraceTransfer (int id, string message, Guid relatedActivityId)
    {
      if (!source_switch.ShouldTrace (TraceEventType.Transfer ))
        return;
      lock (((ICollection) listeners).SyncRoot) {
        foreach (TraceListener tl in listeners)
          tl.TraceTransfer (null, Name, id, message, relatedActivityId);
      }
    }

    protected virtual string [] GetSupportedAttributes ()
    {
      return null;
    }
  }
}

#endif