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-rw-r--r--kamon-core/src/main/scala/kamon/util/http/HttpServerMetrics.scala41
1 files changed, 41 insertions, 0 deletions
diff --git a/kamon-core/src/main/scala/kamon/util/http/HttpServerMetrics.scala b/kamon-core/src/main/scala/kamon/util/http/HttpServerMetrics.scala
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+++ b/kamon-core/src/main/scala/kamon/util/http/HttpServerMetrics.scala
@@ -0,0 +1,41 @@
+/*
+ * =========================================================================================
+ * 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.util.http
+
+import kamon.metric.{ EntityRecorderFactory, GenericEntityRecorder }
+import kamon.metric.instrument.InstrumentFactory
+
+/**
+ * Counts HTTP response status codes into per status code and per trace name + status counters. If recording a HTTP
+ * response with status 500 for the trace "GetUser", the counter with name "500" as well as the counter with name
+ * "GetUser_500" will be incremented.
+ */
+class HttpServerMetrics(instrumentFactory: InstrumentFactory) extends GenericEntityRecorder(instrumentFactory) {
+
+ def recordResponse(statusCode: String): Unit =
+ counter(statusCode).increment()
+
+ def recordResponse(traceName: String, statusCode: String): Unit = {
+ recordResponse(statusCode)
+ counter(traceName + "_" + statusCode).increment()
+ }
+}
+
+object HttpServerMetrics extends EntityRecorderFactory[HttpServerMetrics] {
+ def category: String = "http-server"
+ def createRecorder(instrumentFactory: InstrumentFactory): HttpServerMetrics = new HttpServerMetrics(instrumentFactory)
+}