public void Event(HttpContext httpContext, string @event)
{
// todo - if the user isnt using tracing the code gets here and will blow up on
// _tracer.Tracer.TryExtract..
if (_tracer == null)
{
return;
}
var span = httpContext.GetSpan();
if (span == null)
{
var spanBuilder = new SpanBuilder($"server {httpContext.Request.Method} {httpContext.Request.Path}");
if (_tracer.Tracer.TryExtract(out var spanContext, httpContext.Request.Headers, (c, k) => c[k].GetValue(),
c => c.Select(x => new KeyValuePair <string, string>(x.Key, x.Value.GetValue())).GetEnumerator()))
{
spanBuilder.AsChildOf(spanContext);
}
span = _tracer.Start(spanBuilder);
httpContext.SetSpan(span);
}
span?.Log(LogField.CreateNew().Event(@event));
}
public void BeginRequest([Property] HttpContext httpContext)
{
var patterns = _options.IgnoredRoutesRegexPatterns;
if (patterns == null || patterns.Any(x => Regex.IsMatch(httpContext.Request.Path, x)))
{
return;
}
var spanBuilder = new SpanBuilder($"server {httpContext.Request.Method} {httpContext.Request.Path}");
if (_tracer.Tracer.TryExtract(out var spanContext, httpContext.Request.Headers, (c, k) => c[k].GetValue(),
c => c.Select(x => new KeyValuePair <string, string>(x.Key, x.Value.GetValue())).GetEnumerator()))
{
spanBuilder.AsChildOf(spanContext);
}
var span = _tracer.Start(spanBuilder);
span.Log(LogField.CreateNew().ServerReceive());
span.Log(LogField.CreateNew().Event("AspNetCore BeginRequest"));
span.Tags
.Server().Component("AspNetCore")
.HttpMethod(httpContext.Request.Method)
.HttpUrl($"{httpContext.Request.Scheme}://{httpContext.Request.Host.ToUriComponent()}{httpContext.Request.Path}{httpContext.Request.QueryString}")
.HttpHost(httpContext.Request.Host.ToUriComponent())
.HttpPath(httpContext.Request.Path)
.HttpStatusCode(httpContext.Response.StatusCode)
.PeerAddress(httpContext.Connection.RemoteIpAddress.ToString())
.PeerPort(httpContext.Connection.RemotePort)
.UserIp(httpContext.GetUserIp());
_tracer.Tracer.SetEntrySpan(span);
}
private void Event(HttpContext httpContext, string @event)
{
// todo - if the user isnt using tracing the code gets here and will blow up on
// _tracer.Tracer.TryExtract. We already use the fake tracer for another scenario
// so sticking it here as well..I guess we need a factory for this but cba to do it at
// the moment
if (_tracer.GetType() == typeof(FakeServiceTracer))
{
return;
}
var span = httpContext.GetSpan();
if (span == null)
{
var spanBuilder = new SpanBuilder($"server {httpContext.Request.Method} {httpContext.Request.Path}");
if (_tracer.Tracer.TryExtract(out var spanContext, httpContext.Request.Headers, (c, k) => c[k].GetValue(),
c => c.Select(x => new KeyValuePair <string, string>(x.Key, x.Value.GetValue())).GetEnumerator()))
{
spanBuilder.AsChildOf(spanContext);
}
span = _tracer.Start(spanBuilder);
httpContext.SetSpan(span);
}
span?.Log(LogField.CreateNew().Event(@event));
}
public void HttpRequest([Property(Name = "Request")] HttpRequestMessage request)
{
var patterns = _options.IgnoredRoutesRegexPatterns;
if (patterns == null || patterns.Any(x => Regex.IsMatch(request.RequestUri.AbsolutePath, x)))
{
return;
}
var spanBuilder = new SpanBuilder($"httpclient {request.Method}");
var spanContext = _tracer.Tracer.GetEntrySpan()?.SpanContext;
if (spanContext != null)
{
spanBuilder.AsChildOf(spanContext);
}
var span = _tracer.Start(spanBuilder);
span.Tags.Client().Component("HttpClient")
.HttpMethod(request.Method.Method)
.HttpUrl(request.RequestUri.OriginalString)
.HttpHost(request.RequestUri.Host)
.HttpPath(request.RequestUri.PathAndQuery)
.PeerAddress(request.RequestUri.OriginalString)
.PeerHostName(request.RequestUri.Host)
.PeerPort(request.RequestUri.Port);
_tracer.Tracer.Inject(span.SpanContext, request.Headers, (c, k, v) => c.Add(k, v));
span.Log(LogField.CreateNew().ClientSend());
if (request.Method == HttpMethod.Post)
{
span.Tags.Add("request", request.Content.ReadAsStringAsync().Result);
}
_tracer.Tracer.SetExitSpan(span);
}
public static TResult Trace <TResult>(this IServiceTracer tracer, ISpanBuilder spanBuilder, Func <ISpan, TResult> operation)
{
if (tracer == null)
{
throw new ArgumentNullException(nameof(tracer));
}
using (var span = tracer.Start(spanBuilder))
{
try
{
if (operation == null)
{
return(default(TResult));
}
return(operation(span));
}
catch (Exception exception)
{
span.Exception(exception);
throw;
}
}
}
public ISpan OnBeginRequest(HttpContext httpContext)
{
var spanBuilder = new SpanBuilder($"server {httpContext.Request.Method} {httpContext.Request.Path}");
if (_tracer.Tracer.TryExtract(out var spanContext, httpContext.Request.Headers, (c, k) => c[k].GetValue(),
c => c.Select(x => new KeyValuePair <string, string>(x.Key, x.Value.GetValue())).GetEnumerator()))
{
spanBuilder.AsChildOf(spanContext);
}
var span = _tracer.Start(spanBuilder);
httpContext.SetSpan(span);
span.Log(LogField.CreateNew().ServerReceive());
span.Log(LogField.CreateNew().Event("AspNetCore BeginRequest"));
span.Tags
.Server().Component("AspNetCore")
.HttpMethod(httpContext.Request.Method)
.HttpUrl($"{httpContext.Request.Scheme}://{httpContext.Request.Host.ToUriComponent()}{httpContext.Request.Path}{httpContext.Request.QueryString}")
.HttpHost(httpContext.Request.Host.ToUriComponent())
.HttpPath(httpContext.Request.Path)
.HttpStatusCode(httpContext.Response.StatusCode)
.PeerAddress(httpContext.Connection.RemoteIpAddress.ToString())
.PeerPort(httpContext.Connection.RemotePort);
_tracer.Tracer.SetCurrentSpan(span);
return(span);
}
public static TResult Trace <TResult>(this IServiceTracer tracer, ISpanBuilder spanBuilder, Func <ISpan, TResult> operation)
{
if (tracer == null)
{
throw new ArgumentNullException(nameof(tracer));
}
var span = tracer.Start(spanBuilder);
var curr = tracer.Tracer.GetCurrentSpan();
try
{
tracer.Tracer.SetCurrentSpan(span);
if (operation == null)
{
return(default(TResult));
}
return(operation(span));
}
catch (Exception exception)
{
span.Exception(exception);
throw;
}
finally
{
span.Finish(DateTimeOffset.UtcNow);
tracer.Tracer.SetCurrentSpan(curr);
}
}
public static void Trace(this IServiceTracer tracer, ISpanBuilder spanBuilder, Action <ISpan> operation)
{
if (tracer == null)
{
throw new ArgumentNullException(nameof(tracer));
}
var span = tracer.Start(spanBuilder);
var curr = tracer.Tracer.GetCurrentSpan();
try
{
tracer.Tracer.SetCurrentSpan(span);
operation?.Invoke(span);
}
catch (Exception exception)
{
span.Exception(exception);
throw;
}
finally
{
span.Finish(DateTimeOffset.UtcNow);
tracer.Tracer.SetCurrentSpan(curr);
}
}
public static async Task <TResult> TraceAsync <TResult>(this IServiceTracer tracer, ISpanBuilder spanBuilder, Func <ISpan, Task <TResult> > operation)
{
if (tracer == null)
{
throw new ArgumentNullException(nameof(tracer));
}
var span = tracer.Start(spanBuilder);
var curr = tracer.Tracer.GetCurrentSpan();
try
{
tracer.Tracer.SetCurrentSpan(span);
return(await operation?.Invoke(span));
}
catch (Exception exception)
{
span.Exception(exception);
throw;
}
finally
{
span.Finish(DateTimeOffset.UtcNow);
tracer.Tracer.SetCurrentSpan(curr);
}
}
public ISpan OnBeginRequest(HttpContext httpContext)
{
var spanBuilder = new SpanBuilder($"server {httpContext.Request.Method} {httpContext.Request.Path}");
if (_tracer.Tracer.TryExtract(out var spanContext, httpContext.Request.Headers, (c, k) => c[k],
c => c.Select(x => new KeyValuePair <string, string>(x.Key, x.Value)).GetEnumerator()))
{
spanBuilder.AsChildOf(spanContext);
}
var span = _tracer.Start(spanBuilder);
httpContext.SetSpan(span);
span.Log(LogField.CreateNew().ServerReceive());
span.Log(LogField.CreateNew().Event("Microsoft.AspNetCore.Hosting.BeginRequest"));
_tracer.Tracer.SetCurrentSpan(span);
return(span);
}
public TraceSpan OnBeginRequest(HttpContext httpContext)
{
var patterns = _options.IgnoredRoutesRegexPatterns;
if (patterns == null || patterns.Any(x => Regex.IsMatch(httpContext.Request.Path, x)))
{
return(null);
}
var span = _tracer.Start();
span.SetOperationName(httpContext.Request.GetDisplayUrl());
span.Tags
.Component("AspNetCore")
.HttpMethod(httpContext.Request.Method)
.PeerAddress(httpContext.Connection.RemoteIpAddress.ToString())
.PeerPort(httpContext.Connection.RemotePort);
httpContext.SetSpan(span);
return(span);
}
public static async Task TraceAsync(this IServiceTracer tracer, ISpanBuilder spanBuilder, Func <ISpan, Task> operation)
{
if (tracer == null)
{
throw new ArgumentNullException(nameof(tracer));
}
using (var span = tracer.Start(spanBuilder))
{
try
{
await operation?.Invoke(span);
}
catch (Exception exception)
{
span.Exception(exception);
throw;
}
}
}
public static void Trace(this IServiceTracer tracer, ISpanBuilder spanBuilder, Action <ISpan> operation)
{
if (tracer == null)
{
throw new ArgumentNullException(nameof(tracer));
}
using (var span = tracer.Start(spanBuilder))
{
try
{
operation?.Invoke(span);
}
catch (Exception exception)
{
span.Exception(exception);
throw;
}
}
}
protected override async Task <HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
{
var span = _tracer.Start();
_tracer.AsChildren(span);
span.SetOperationName(request.RequestUri.OriginalString);
span.Tags.Component("HttpClient")
.HttpMethod(request.Method.Method);
if (request.Method.Method.ToLower() == "post")
{
span.Tags.RequstBody(request.Content.ReadAsStringAsync().Result);
}
request.Headers.Add(TracerKeys.TraceId, span.TraceId);
request.Headers.Add(TracerKeys.TraceSpanId, span.SpanId);
request.Headers.Add(TracerKeys.TraceLaunchId, span.LaunchId);
var responseMessage = await base.SendAsync(request, cancellationToken);
var statusCode = responseMessage.StatusCode;
span.Tags.HttpStatusCode((int)statusCode);
if (statusCode == System.Net.HttpStatusCode.OK)
{
span.Tags
.ResponseBody(responseMessage.Content.ReadAsStringAsync().Result)
.ContentType(responseMessage.Content.Headers.ContentType.MediaType);
}
span.Finish();
await _tracer.TraceSender.SendAsync(span);
return(responseMessage);
}
public static ISpan Start(this IServiceTracer tracer, string operationName, DateTimeOffset?startTimestamp = null)
{
var spanBuilder = new SpanBuilder(operationName, startTimestamp);
return(tracer.Start(spanBuilder));
}
public static ISpan StartChild(this IServiceTracer tracer, string operationName, DateTimeOffset?startTimestamp = null)
{
return(tracer.Start(CreateChildSpanBuilder(tracer, operationName, startTimestamp)));
}
