public static void UseMyTracingMiddlewareOfAspNetCore(
this MicropartOfCallChainAsZipkinBuilder micropartOfCallChainAsZipkinBuilder,
IApplicationBuilder app)
{
var extractor = new ZipkinHttpTraceExtractor();
app.Use(async(context, next) =>
{
var request = context.Request;
var httpRequestFilter = app.ApplicationServices.GetService <IMicroserviceFilterManager <HttpRequestFilter, HttpRequest> >();
if (httpRequestFilter.ShouldBeFiltered(request))
{
return;
}
if (!extractor.TryExtract(request.Headers, (c, key) => c[key], out var trace))
{
trace = Trace.Create();
}
Trace.Current = trace;
using (var serverTrace = new ServerTrace(AppInfoProvider.Service.Name, $"{request.Path}/{request.Method}"))
{
trace.Record(Annotations.Tag("http.host", request.Host.ToString()));
trace.Record(Annotations.Tag("http.uri", UriHelper.GetDisplayUrl(request)));
trace.Record(Annotations.Tag("http.path", request.Path));
await serverTrace.TracedActionAsync(next());
}
});
}
public static void UseTracing(this IApplicationBuilder app, string serviceName,
Func <HttpContext, string> getRpc = null)
{
getRpc = getRpc ?? (context => context.Request.Method);
var extractor = Propagations.B3String.Extractor <IHeaderDictionary>((carrier, key) => carrier[key]);
app.Use(async(context, next) =>
{
var request = context.Request;
var traceContext = extractor.Extract(request.Headers);
var trace = traceContext == null ? Trace.Create() : Trace.CreateFromId(traceContext);
Trace.Current = trace;
using (var serverTrace = new ServerTrace(serviceName, getRpc(context)))
{
if (request.Host.HasValue)
{
trace.Record(Annotations.Tag("http.host", request.Host.ToString()));
}
trace.Record(Annotations.Tag("http.uri", UriHelper.GetDisplayUrl(request)));
trace.Record(Annotations.Tag("http.path", request.Path));
await serverTrace.TracedActionAsync(next());
}
});
}
public async Task Invoke(HttpContext context)
{
var trace = Trace.Create();
Trace.Current = trace;
using (var serverTrace = new ServerTrace(_serviceName, context.Request.Method))
{
trace.Record(Annotations.Tag("http.host", context.Request.Host.ToString()));
trace.Record(Annotations.Tag("http.path", context.Request.Path));
await serverTrace.TracedActionAsync(_next.Invoke(context));
}
}
public override async Task Invoke(IOwinContext context)
{
var traceContext = traceExtractor.Extract(context.Request.Headers);
var trace = traceContext == null?Trace.Create() : Trace.CreateFromId(traceContext);
Trace.Current = trace;
using (var serverTrace = new ServerTrace(this.serviceName, context.Request.Method))
{
trace.Record(Annotations.Tag("http.host", context.Request.Host.Value));
trace.Record(Annotations.Tag("http.url", context.Request.Uri.AbsoluteUri));
trace.Record(Annotations.Tag("http.path", context.Request.Uri.AbsolutePath));
await serverTrace.TracedActionAsync(Next.Invoke(context));
}
}
public override async Task Invoke(IOwinContext context)
{
Trace trace;
if (!this.traceExtractor.TryExtract(context.Request.Headers, (dic, k) => string.Join(",", dic[k]), out trace))
{
trace = Trace.Create();
}
Trace.Current = trace;
using (var serverTrace = new ServerTrace(this.serviceName, context.Request.Method))
{
trace.Record(Annotations.Tag("http.host", context.Request.Host.Value));
trace.Record(Annotations.Tag("http.url", context.Request.Uri.AbsoluteUri));
trace.Record(Annotations.Tag("http.path", context.Request.Uri.AbsolutePath));
await serverTrace.TracedActionAsync(Next.Invoke(context));
}
}
public static void UseTracing(this IApplicationBuilder app, string serviceName)
{
var extractor = new ZipkinHttpTraceExtractor();
app.Use(async(context, next) =>
{
Trace trace;
var request = context.Request;
if (!extractor.TryExtract(request.Headers, (c, key) => c[key], out trace))
{
trace = Trace.Create();
}
Trace.Current = trace;
using (var serverTrace = new ServerTrace(serviceName, request.Method))
{
trace.Record(Annotations.Tag("http.host", request.Host.ToString()));
trace.Record(Annotations.Tag("http.uri", UriHelper.GetDisplayUrl(request)));
trace.Record(Annotations.Tag("http.path", request.Path));
await serverTrace.TracedActionAsync(next());
}
});
}