private static void UpdateRequestId(HttpContext httpContext, IHttpRequestIdentifierFeature requestIdentifierFeature)
{
string value;
if (httpContext.Request.Headers.TryGetValue("X-Request-ID", out var header) &&
header.Count == 1 &&
!string.IsNullOrWhiteSpace(value = header[0]))
{
requestIdentifierFeature.TraceIdentifier = value;
}
}
private RequestIdentifier(HttpContext context)
{
_context = context;
_feature = context.GetFeature <IHttpRequestIdentifierFeature>();
if (_feature == null)
{
_feature = new HttpRequestIdentifierFeature()
{
TraceIdentifier = Guid.NewGuid().ToString()
};
context.SetFeature(_feature);
_addedFeature = true;
}
else if (string.IsNullOrEmpty(_feature.TraceIdentifier))
{
_originalIdentifierValue = _feature.TraceIdentifier;
_feature.TraceIdentifier = Guid.NewGuid().ToString();
_updatedIdentifier = true;
}
}
private RequestIdentifier(HttpContext context)
{
_context = context;
_feature = context.GetFeature<IHttpRequestIdentifierFeature>();
if (_feature == null)
{
_feature = new HttpRequestIdentifierFeature()
{
TraceIdentifier = Guid.NewGuid().ToString()
};
context.SetFeature(_feature);
_addedFeature = true;
}
else if (string.IsNullOrEmpty(_feature.TraceIdentifier))
{
_originalIdentifierValue = _feature.TraceIdentifier;
_feature.TraceIdentifier = Guid.NewGuid().ToString();
_updatedIdentifier = true;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="RequestIdentifierCorrelationIdFactory"/> class.
/// </summary>
public RequestIdentifierCorrelationIdFactory()
{
_httpRequestIdentifierFeature = new HttpRequestIdentifierFeature();
}
