public void EmitEvent(HttpEvent httpEvent)
{
string trackingId = httpEvent.TrackingId.ToString(("d"));
string serializedEvent = JsonConvert.SerializeObject(httpEvent);
_log.EmitEvent(trackingId, serializedEvent);
_log.EmitRequest(trackingId, httpEvent.Request);
_log.EmitResponse(trackingId, httpEvent.Response);
}
public void EmitEvent(HttpEvent httpEvent)
{
var eventAsJson = Newtonsoft.Json.JsonConvert.SerializeObject(httpEvent);
System.Diagnostics.Trace.WriteLine(eventAsJson);
System.Diagnostics.Trace.WriteLine(httpEvent.Request);
System.Diagnostics.Trace.WriteLine(httpEvent.Response);
}
public override async Task Invoke(IOwinContext context)
{
var request = context.Request;
var response = context.Response;
var requestBuffer = new MemoryStream((int)MaxRequestSize);
var requestStream = new LoggingStream(requestBuffer, request.Body, MaxRequestSize);
request.Body = requestStream;
var responseBuffer = new MemoryStream((int)MaxResponseSize);
var responseStream = new LoggingStream(responseBuffer, response.Body, MaxResponseSize);
response.Body = responseStream;
var httpEvent = new HttpEvent();
context.Response.OnSendingHeaders(state =>
{
var resp = ((IOwinContext)state).Response;
resp.Headers.Add(TrackingHeader, new[] { httpEvent.TrackingId.ToString("d"), });
}, context);
await Next.Invoke(context);
SetEventRequestHeaders(request, httpEvent);
httpEvent.RequestLength = requestStream.LogContentLength;
var reqBytes = await requestStream.ReadLogAsync();
if (httpEvent.RequestHeaders.ContainsKey(ContentTypeHeader) && HttpEvent.IsText(httpEvent.RequestHeaders[ContentTypeHeader]))
{
httpEvent.Request = Encoding.UTF8.GetString(reqBytes);
}
else
{
httpEvent.Request = Convert.ToBase64String(reqBytes);
}
SetEventResponseHeaders(response, httpEvent);
httpEvent.ResponseLength = responseStream.LogContentLength;
var respBytes = await responseStream.ReadLogAsync();
if (httpEvent.ResponseHeaders.ContainsKey(ContentTypeHeader) && HttpEvent.IsText(httpEvent.ResponseHeaders[ContentTypeHeader]))
{
httpEvent.Response = Encoding.UTF8.GetString(respBytes);
}
else
{
httpEvent.Response = Convert.ToBase64String(respBytes);
}
_tracker.EmitEvent(httpEvent);
}
private static void SetEventResponseHeaders(IOwinResponse response, HttpEvent record)
{
record.Status = response.StatusCode;
record.ResponseHeaders = response.Headers;
}
private static void SetEventRequestHeaders(IOwinRequest request, HttpEvent record)
{
record.Verb = request.Method;
record.Uri = request.Uri.ToString();
record.RequestHeaders = request.Headers;
}
