private static string GetCorrelationContext(HttpClient http, ILoggingContext context)
{
UnsafeStringBuilder correlationContextBuilder = null;
var propertyNames = new HashSet <string>();
try
{
context.ForEachProperty((LoggingProperty property, object value, ref object _) =>
{
if (!property.IsBaggage || !propertyNames.Add(property.Name))
{
return;
}
if (correlationContextBuilder == null)
{
propertyNames = new HashSet <string>();
correlationContextBuilder = new UnsafeStringBuilder(1024);
}
if (correlationContextBuilder.Length > 0)
{
correlationContextBuilder.Append(", ");
}
correlationContextBuilder.Append(property.Name);
correlationContextBuilder.Append('=');
var formatter =
property.Formatter ?? LoggingServices.Formatters.Get(value.GetType());
formatter.Write(correlationContextBuilder, value);
});
return(correlationContextBuilder?.ToString());
}
finally
{
correlationContextBuilder?.Dispose();
}
}
