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+#ifndef TESTS_STATISTICS_H
+#define TESTS_STATISTICS_H
+
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 <qpid/sys/Time.h>
+#include <limits>
+#include <iosfwd>
+#include <memory>
+
+namespace qpid {
+
+namespace messaging {
+class Message;
+}
+
+namespace tests {
+
+class Statistic {
+ public:
+ virtual ~Statistic();
+ virtual void message(const messaging::Message&) = 0;
+ virtual void report(std::ostream&) const = 0;
+ virtual void header(std::ostream&) const = 0;
+};
+
+class Throughput : public Statistic {
+ public:
+ Throughput();
+ virtual void message(const messaging::Message&);
+ virtual void report(std::ostream&) const;
+ virtual void header(std::ostream&) const;
+
+ protected:
+ int messages;
+
+ private:
+ bool started;
+ sys::AbsTime start;
+};
+
+class ThroughputAndLatency : public Throughput {
+ public:
+ ThroughputAndLatency();
+ virtual void message(const messaging::Message&);
+ virtual void report(std::ostream&) const;
+ virtual void header(std::ostream&) const;
+
+ private:
+ double total, min, max; // Milliseconds
+ int samples;
+};
+
+/** Report batch and overall statistics */
+class ReporterBase {
+ public:
+ virtual ~ReporterBase();
+
+ /** Count message in the statistics */
+ void message(const messaging::Message& m);
+
+ /** Print overall report. */
+ void report();
+
+ protected:
+ ReporterBase(std::ostream& o, int batchSize, bool wantHeader);
+ virtual std::auto_ptr<Statistic> create() = 0;
+
+ private:
+ void header();
+ void report(const Statistic& s);
+ std::auto_ptr<Statistic> overall;
+ std::auto_ptr<Statistic> batch;
+ int batchSize, batchCount;
+ bool stopped, headerPrinted;
+ std::ostream& out;
+};
+
+template <class Stats> class Reporter : public ReporterBase {
+ public:
+ Reporter(std::ostream& o, int batchSize, bool wantHeader)
+ : ReporterBase(o, batchSize, wantHeader) {}
+
+ virtual std::auto_ptr<Statistic> create() {
+ return std::auto_ptr<Statistic>(new Stats);
+ }
+};
+
+}} // namespace qpid::tests
+
+#endif /*!TESTS_STATISTICS_H*/