/// <summary>
/// Writes the specified entry to the log.
/// </summary>
/// <param name="entry">The entry to be written.</param>
/// <remarks>
/// All overloads of Write ultimately call this method.
/// </remarks>
public static void Write(LogEntry entry)
{
var handler = EntryPosted;
if (handler == null)
{
return;
}
// prevent re-entrancy
if (entry.HasBeenPosted)
{
return;
}
entry.HasBeenPosted = true;
foreach (EventHandler <InstrumentationEventArgs> subscriber in EntryPosted.GetInvocationList())
{
try
{
subscriber(typeof(Log), new InstrumentationEventArgs(entry));
}
catch (Exception exceptionFromHandler)
{
exceptionFromHandler.RaiseErrorEvent();
if (exceptionFromHandler.ShouldThrow())
{
throw;
}
}
}
}
public static void TrackEvent(
string eventName = null,
IDictionary <string, string> properties = null,
IDictionary <string, double> measurements = null)
{
EntryPosted?.Invoke(typeof(TelemetryEventEntry),
new InstrumentationEventArgs(eventName, properties, measurements));
}
/// <summary>
/// Unsubscribes all subscribers to the <see cref="Log.EntryPosted" /> event.
/// </summary>
internal static void UnsubscribeAllFromEntryPosted()
{
var handler = EntryPosted;
if (handler == null)
{
return;
}
var subscribers = EntryPosted.GetInvocationList();
foreach (var d in subscribers)
{
EntryPosted -= (d as EventHandler <InstrumentationEventArgs>);
}
}
