/// <summary>
/// Attach activity information to outgoing remoting request headers
/// </summary>
public static void AttachActivityToOutgoingRequest(this IServiceRemotingRequestMessage requestMessage, Activity?activity)
{
if (activity == null)
{
return;
}
IServiceRemotingRequestMessageHeader header = requestMessage.GetHeader();
header.AddHeader(TraceParentHeaderName, s_encoding.GetBytes(activity.Id));
header.AddHeader(TraceStateHeaderName, SerializeBaggage(activity.Baggage.ToArray()));
}
public static bool TryAddHeader(this IServiceRemotingRequestMessageHeader headers, string headerName, PropagationContext context, Func <PropagationContext, byte[]> headerValue)
{
if (!headers.TryGetHeaderValue(headerName, out _))
{
byte[] bytes = headerValue(context);
headers.AddHeader(headerName, bytes);
return(true);
}
return(false);
}
public static bool TryAddHeader(this IServiceRemotingRequestMessageHeader headers, string headerName, string headerValue)
{
if (!headers.TryGetHeaderValue(headerName, out _))
{
byte[] bytes = Encoding.UTF8.GetBytes(headerValue);
headers.AddHeader(headerName, bytes);
return(true);
}
return(false);
}
internal static void AddHeader(this IServiceRemotingRequestMessageHeader messageHeaders, string headerName, string value)
{
messageHeaders.AddHeader(headerName, Encoding.UTF8.GetBytes(value));
}