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-rw-r--r--cpp/src/qpid/broker/RateTracker.h57
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diff --git a/cpp/src/qpid/broker/RateTracker.h b/cpp/src/qpid/broker/RateTracker.h
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--- a/cpp/src/qpid/broker/RateTracker.h
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-#ifndef QPID_BROKER_RATETRACKER_H
-#define QPID_BROKER_RATETRACKER_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"
-
-namespace qpid {
-namespace broker {
-
-/**
- * Simple rate tracker: represents some value that can be incremented,
- * then can periodcially sample the rate of increments.
- */
-class RateTracker
-{
- public:
- RateTracker();
- /**
- * Increments the count being tracked. Can be called concurrently
- * with other calls to this operator as well as with calls to
- * sampleRatePerSecond().
- */
- RateTracker& operator++();
- /**
- * Returns the rate of increments per second since last
- * called. Calls to this method should be serialised, but can be
- * called concurrently with the increment operator
- */
- double sampleRatePerSecond();
- private:
- volatile int32_t currentCount;
- int32_t lastCount;
- qpid::sys::AbsTime lastTime;
-};
-}} // namespace qpid::broker
-
-#endif /*!QPID_BROKER_RATETRACKER_H*/