1 files changed, 42 insertions, 0 deletions
diff --git a/java/com/google/gerrit/httpd/RequestMetrics.java b/java/com/google/gerrit/httpd/RequestMetrics.java
new file mode 100644
index 0000000000..cab4a922a3
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+++ b/java/com/google/gerrit/httpd/RequestMetrics.java
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+// Copyright (C) 2015 The Android Open Source Project
+//
+// 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 com.google.gerrit.httpd;
+
+import com.google.gerrit.metrics.Counter1;
+import com.google.gerrit.metrics.Description;
+import com.google.gerrit.metrics.Field;
+import com.google.gerrit.metrics.MetricMaker;
+import com.google.inject.Inject;
+import com.google.inject.Singleton;
+
+@Singleton
+public class RequestMetrics {
+  final Counter1<Integer> errors;
+  final Counter1<Integer> successes;
+
+  @Inject
+  public RequestMetrics(MetricMaker metricMaker) {
+    errors =
+        metricMaker.newCounter(
+            "http/server/error_count",
+            new Description("Rate of REST API error responses").setRate().setUnit("errors"),
+            Field.ofInteger("status", "HTTP status code"));
+    successes =
+        metricMaker.newCounter(
+            "http/server/success_count",
+            new Description("Rate of REST API success responses").setRate().setUnit("successes"),
+            Field.ofInteger("status", "HTTP status code"));
+  }
+}