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Diffstat (limited to 'kamon-play-2.4.x/src/main/scala/kamon/play/instrumentation/RequestInstrumentation.scala')
-rw-r--r-- | kamon-play-2.4.x/src/main/scala/kamon/play/instrumentation/RequestInstrumentation.scala | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/kamon-play-2.4.x/src/main/scala/kamon/play/instrumentation/RequestInstrumentation.scala b/kamon-play-2.4.x/src/main/scala/kamon/play/instrumentation/RequestInstrumentation.scala deleted file mode 100644 index 9b47d5bb..00000000 --- a/kamon-play-2.4.x/src/main/scala/kamon/play/instrumentation/RequestInstrumentation.scala +++ /dev/null @@ -1,110 +0,0 @@ -/* ========================================================================================= - * Copyright © 2013-2015 the kamon project <http://kamon.io/> - * - * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file - * except in compliance with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software distributed under the - * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, - * either express or implied. See the License for the specific language governing permissions - * and limitations under the License. - * ========================================================================================= - */ - -package kamon.play.instrumentation - -import kamon.Kamon -import kamon.play.Play -import kamon.trace.TraceLocal.{ HttpContext, HttpContextKey } -import kamon.trace._ -import kamon.util.SameThreadExecutionContext -import org.aspectj.lang.ProceedingJoinPoint -import org.aspectj.lang.annotation._ -import play.api.mvc.Results._ -import play.api.mvc._ - -@Aspect -class RequestInstrumentation { - - import RequestInstrumentation._ - - @DeclareMixin("play.api.mvc.RequestHeader+") - def mixinContextAwareNewRequest: TraceContextAware = TraceContextAware.default - - @Before("call(* play.api.http.DefaultHttpRequestHandler.routeRequest(..)) && args(requestHeader)") - def beforeRouteRequest(requestHeader: RequestHeader): Unit = { - import Kamon.tracer - - val playExtension = Kamon(Play) - - val token = if (playExtension.includeTraceToken) { - requestHeader.headers.get(playExtension.traceTokenHeaderName) - } else None - - Tracer.setCurrentContext(tracer.newContext("UnnamedTrace", token)) - } - - @Around("call(* play.api.http.HttpFilters.filters(..))") - def aroundFilters(pjp: ProceedingJoinPoint): Any = { - val filter = new EssentialFilter { - override def apply(next: EssentialAction): EssentialAction = { - val essentialAction = (requestHeader: RequestHeader) ⇒ { - - val playExtension = Kamon(Play) - - def onResult(result: Result): Result = { - Tracer.currentContext.collect { ctx ⇒ - ctx.finish() - - httpServerMetrics.recordResponse(ctx.name, result.header.status.toString) - - if (playExtension.includeTraceToken) result.withHeaders(playExtension.traceTokenHeaderName -> ctx.token) - else result - - } getOrElse result - } - //store in TraceLocal useful data to diagnose errors - storeDiagnosticData(requestHeader) - - //override the current trace name - Tracer.currentContext.rename(playExtension.generateTraceName(requestHeader)) - - // Invoke the action - next(requestHeader).map(onResult)(SameThreadExecutionContext) - } - EssentialAction(essentialAction) - } - } - pjp.proceed().asInstanceOf[Seq[EssentialFilter]] :+ filter - } - - @Before("call(* play.api.http.HttpErrorHandler.onClientServerError(..)) && args(requestContextAware, statusCode, *)") - def beforeOnClientError(requestContextAware: TraceContextAware, statusCode: Int): Unit = { - requestContextAware.traceContext.collect { ctx ⇒ - httpServerMetrics.recordResponse(ctx.name, statusCode.toString) - } - } - - @Before("call(* play.api.http.HttpErrorHandler.onServerError(..)) && args(requestContextAware, ex)") - def beforeOnServerError(requestContextAware: TraceContextAware, ex: Throwable): Unit = { - requestContextAware.traceContext.collect { ctx ⇒ - httpServerMetrics.recordResponse(ctx.name, InternalServerError.header.status.toString) - } - } - - def storeDiagnosticData(request: RequestHeader): Unit = { - val agent = request.headers.get(UserAgent).getOrElse(Unknown) - val forwarded = request.headers.get(XForwardedFor).getOrElse(Unknown) - - TraceLocal.store(HttpContextKey)(HttpContext(agent, request.uri, forwarded)) - } -} - -object RequestInstrumentation { - val UserAgent = "User-Agent" - val XForwardedFor = "X-Forwarded-For" - val Unknown = "unknown" - val httpServerMetrics = Kamon(Play).httpServerMetrics -} |