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implab » ImplabNet
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Added class Trace<T> to manage channels for individual classes, if SomeClass...
Added class Trace<T> to manage channels for individual classes, if SomeClass uses Trace<SomeClass> it sould be marked with TraceSourceAttribute
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r194:d45bdf510514 v2
r212:a01d9df88d74 v2
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ListenerBase.cs
86 lines | 2.7 KiB | text/x-csharp | CSharpLexer
/ Implab / Diagnostics / ListenerBase.cs
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cin
Improved logging
 r134 using System;
using System.Collections.Generic;
cin
component model refactoring
 r152 using Implab.Components;
cin
Improved logging
 r134
namespace Implab.Diagnostics {
public abstract class ListenerBase : ServiceLocator, ILogWriter<object>, ILogWriter<TraceEvent> {
readonly Dictionary<object, Action> m_subscriptions = new Dictionary<object, Action>();
protected ListenerBase() {
Register(this);
}
public void Subscribe(Type eventType) {
if (eventType == null)
throw new ArgumentNullException("eventType");
GetType().GetMethod("Subscribe", new Type[0]).MakeGenericMethod(eventType).Invoke(this, null);
}
public void Subscribe<TEvent>() {
Subscribe<TEvent>(LogChannel<TEvent>.Default);
}
public void Subscribe<TEvent>(LogChannel<TEvent> channel) {
if (channel == null)
throw new ArgumentNullException("channel");
lock (m_subscriptions) {
AssertNotDisposed();
if (m_subscriptions.ContainsKey(channel))
return;
var writer = GetService<ILogWriter<TEvent>>();
EventHandler<LogEventArgs<TEvent>> handler = (sender, args) => writer.Write(args,args.Value);
channel.Events += handler;
Action unsubscribe = () => {
channel.Events -= handler;
};
m_subscriptions.Add(channel, unsubscribe);
}
}
public void Unsubscribe<TEvent>(LogChannel<TEvent> channel) {
if (channel == null)
throw new ArgumentNullException("channel");
lock (m_subscriptions) {
Action subscription;
if (m_subscriptions.TryGetValue(channel, out subscription)) {
subscription();
m_subscriptions.Remove(channel);
}
}
}
public void UnsubscribeAll() {
lock (m_subscriptions) {
cin
working on diagnostics
 r194 foreach (var remove in m_subscriptions.Values)
remove();
cin
Improved logging
 r134 m_subscriptions.Clear();
}
}
#region ILogWriter implementation
public abstract void Write(LogEventArgs args, object entry);
#endregion
#region ILogWriter implementation
public virtual void Write(LogEventArgs args, TraceEvent entry) {
Write(args, (object)entry);
}
#endregion
protected override void Dispose(bool disposing) {
base.Dispose(disposing);
if (disposing) {
UnsubscribeAll();
}
}
}
}