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1 /*
2  *  Copyright 2012 The WebRTC Project Authors. All rights reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 
11 #include "webrtc/base/ratelimiter.h"
12 
13 namespace rtc {
14 
CanUse(size_t desired,double time)15 bool RateLimiter::CanUse(size_t desired, double time) {
16   return ((time > period_end_ && desired <= max_per_period_) ||
17           (used_in_period_ + desired) <= max_per_period_);
18 }
19 
Use(size_t used,double time)20 void RateLimiter::Use(size_t used, double time) {
21   if (time > period_end_) {
22     period_start_ = time;
23     period_end_ = time + period_length_;
24     used_in_period_ = 0;
25   }
26   used_in_period_ += used;
27 }
28 
29 }  // namespace rtc
30