private void HandleContext(HttpListenerContext context)
{
try
{
string traceId, contextId;
bool? isActive;
RequestExtensions.ExtractFromHttpHeaders(context.Request.Headers, out traceId, out contextId, out isActive);
using (var serverContext = Trace.ContinueContext(traceId, contextId, isActive ?? false, isRoot: false))
{
serverContext.RecordTimepoint(Timepoint.ServerReceive);
serverContext.RecordAnnotation(Annotation.RequestUrl, context.Request.Url.ToString());
using (var streamReader = new StreamReader(context.Request.InputStream, Encoding.UTF8))
{
var message = streamReader.ReadToEnd();
taskQueue.PushTask(new RemoteTask(message));
context.Response.StatusCode = 202;
context.Response.Close();
}
serverContext.RecordTimepoint(Timepoint.ServerSend);
}
}
catch (Exception e)
{
Console.Out.WriteLine("Unhandled server exception: {0}", e);
}
finally
{
synchronizer.ServerEndProcessQuerySignal.Set();
}
}
public static void ClientServerCase()
{
const string url = "http://localhost:12346/";
var listener = new HttpListener();
listener.Prefixes.Add(url);
listener.Start();
var serverTask = Task.Factory.StartNew(() =>
{
var context = listener.GetContext();
var request = context.Request;
string traceId, contextId;
bool?isActive;
RequestExtensions.ExtractFromHttpHeaders(request.Headers, out traceId, out contextId, out isActive);
using (var serverContext = Trace.ContinueContext(traceId, contextId, isActive ?? false, isRoot: false))
{
serverContext.RecordTimepoint(Timepoint.ServerReceive);
context.Response.Close();
serverContext.RecordTimepoint(Timepoint.ServerSend);
}
});
using (var clientContext = Trace.CreateRootContext("Client"))
{
clientContext.RecordTimepoint(Timepoint.ClientSend);
clientContext.RecordAnnotation(Annotation.RequestUrl, url);
var clientRequest = (HttpWebRequest)WebRequest.Create(url);
clientRequest.SetTracingHeaders(clientContext);
clientRequest.GetResponse();
serverTask.Wait();
clientContext.RecordTimepoint(Timepoint.ClientReceive);
}
listener.Close();
}