update source to Ceph Pacific 16.2.2

[ceph.git] / ceph / src / jaegertracing / jaeger-client-cpp / src / jaegertracing / metrics / Metrics.cpp

diff --git a/ceph/src/jaegertracing/jaeger-client-cpp/src/jaegertracing/metrics/Metrics.cpp b/ceph/src/jaegertracing/jaeger-client-cpp/src/jaegertracing/metrics/Metrics.cpp
new file mode 100644 (file)
index 0000000..57c5c2a
--- /dev/null
+++ b/ceph/src/jaegertracing/jaeger-client-cpp/src/jaegertracing/metrics/Metrics.cpp
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2017 Uber Technologies, Inc.
+ *
+ * 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.
+ */
+
+#include "jaegertracing/metrics/Metrics.h"
+#include "jaegertracing/metrics/Counter.h"
+#include "jaegertracing/metrics/Gauge.h"
+#include "jaegertracing/metrics/NullStatsFactory.h"
+#include <iterator>
+#include <map>
+#include <sstream>
+#include <utility>
+
+namespace jaegertracing {
+namespace metrics {
+
+std::unique_ptr<Metrics> Metrics::makeNullMetrics()
+{
+    metrics::NullStatsFactory factory;
+    return std::unique_ptr<Metrics>(new Metrics(factory));
+}
+
+std::string Metrics::addTagsToMetricName(
+    const std::string& name,
+    const std::unordered_map<std::string, std::string>& tags)
+{
+    std::ostringstream buffer;
+    buffer << name;
+    const std::map<std::string, std::string> orderedMap(std::begin(tags),
+                                                        std::end(tags));
+    for (auto&& pair : orderedMap) {
+        buffer << '.' << pair.first << '=' << pair.second;
+    }
+    return buffer.str();
+}
+
+Metrics::~Metrics() = default;
+
+}  // namespace metrics
+}  // namespace jaegertracing