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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef REMOTING_TEST_LEAKY_BUCKET_H_
#define REMOTING_TEST_LEAKY_BUCKET_H_
#include "base/basictypes.h"
#include "base/time/time.h"
namespace remoting {
class LeakyBucket {
public:
// |depth| is in bytes. |rate| is specified in bytes/second.
LeakyBucket(double depth, double rate);
~LeakyBucket();
// Adds a packet of the given |size| to the bucket and returns packet delay.
// Returns TimeDelta::Max() if the packet overflows the bucket, in which case
// it should be dropped.
base::TimeDelta AddPacket(int size);
private:
void UpdateLevel();
double depth_;
double rate_;
double level_;
base::TimeTicks last_update_;
DISALLOW_COPY_AND_ASSIGN(LeakyBucket);
};
} // namespace remoting
#endif // REMOTING_TEST_LEAKY_BUCKET_H_
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