public virtual async Task InvokeAsync(HttpContext context, RequestDelegate next)
{
_logger.Here(l => l.Entering(_correlationProvider, CorrelationIdHeaderName, _obtainCorrelationIdFromRequestHeaders));
if (_obtainCorrelationIdFromRequestHeaders)
{
string lowerCaseCorrelationIdHeaderName = CorrelationIdHeaderName.ToLower();
Microsoft.Extensions.Primitives.StringValues headerValue = context.Request.Headers.FirstOrDefault(x => x.Key.ToLower() == lowerCaseCorrelationIdHeaderName).Value;
if (headerValue.Count > 0)
{
var correlationValue = headerValue.First();
_logger.Here(l => l.LogTrace("Using {@0} header value {@1} as correlation id.", CorrelationIdHeaderName, correlationValue));
_correlationProvider.SetCorrelationId(correlationValue);
}
}
CorrelationProvider.CurrentCorrelationProvider = _correlationProvider;
using (_logger.BeginScope(new[] { new KeyValuePair <string, object>(Constants.CorrelationId, _correlationProvider.GetCorrelationId()) }))
{
await next(context);
}
_logger.Here(l => l.Exiting());
}
public void Initialize(ITelemetry telemetry)
{
if (telemetry == null)
{
return;
}
var requestId = correlationProvider.SetCorrelationId();
if (requestId.HasValue)
{
telemetry.Context.GlobalProperties[Constants.CorrelationIdHeader] = requestId.Value.ToString();
}
}
