private void ReadTraceMessages()
{
while (!_traceMessages.IsCompleted)
{
try
{
ITraceMessage traceMessage = null;
if (!_cancellationTokenSource.IsCancellationRequested)
{
try
{
traceMessage = _traceMessages.Take(_cancellationTokenSource.Token);
}
catch (OperationCanceledException)
{
if (_traceMessages.IsCompleted)
{
return;
}
continue;
}
}
if (traceMessage == null)
{
if (!_traceMessages.TryTake(out traceMessage))
{
var count = _traceMessages.Count;
if (count > 0)
{
_errorHandler.HandleError($"Cannot take a trace message from the collection having a count of {count}.");
}
return;
}
}
if (!(traceMessage is MethodVisitTraceMessage))
{
throw new InvalidOperationException($"Detected unknown trace message of type {traceMessage.GetType().FullName}.");
}
var methodVisitTraceMessage = (MethodVisitTraceMessage)traceMessage;
MethodEntry(methodVisitTraceMessage.ClassName,
methodVisitTraceMessage.SourceFile,
methodVisitTraceMessage.MethodName,
methodVisitTraceMessage.MethodSignature,
methodVisitTraceMessage.StartLineNumber,
methodVisitTraceMessage.EndLineNumber);
}
catch (Exception ex)
{
_errorHandler.HandleError("Unexpected error occurred while reading from trace messages queue.", ex);
}
}
}
