0bdeb7818c
Change generated by running
git grep -E -l 'namespace (rtc|cricket)\b \{' > /tmp/export_files.txt
xargs -a /tmp/export_files.txt -L 1 \
ex -s -c "/#ifdef WEBRTC_ALLOW_DEPRECATED_NAMESPACES/norm d]#" -c "x"
xargs -a /tmp/export_files.txt sed -i \
-e '/\/\/ Re-export symbols from/d' \
-e '/\/\/ TODO(bugs.webrtc.org\/4222596): Remove once/d' \
-e '/\/\/ Backwards compatibe aliases/d' \
-e '/\/\/ TODO: https:\/\/issues.webrtc.org\/42225969/d'
Bug: webrtc:4222596
Change-Id: Ie62e14b53466da41a2c6421305973e0974fe7e0c
No-IWYU: LSC
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/396080
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Evan Shrubsole <eshr@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#45057}
60 lines
1.8 KiB
C++
60 lines
1.8 KiB
C++
/*
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* Copyright 2012 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef RTC_BASE_DATA_RATE_LIMITER_H_
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#define RTC_BASE_DATA_RATE_LIMITER_H_
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#include <stddef.h>
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#include "rtc_base/system/rtc_export.h"
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namespace webrtc {
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// Limits the rate of use to a certain maximum quantity per period of
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// time. Use, for example, for simple bandwidth throttling.
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//
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// It's implemented like a diet plan: You have so many calories per
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// day. If you hit the limit, you can't eat any more until the next
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// day.
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class RTC_EXPORT DataRateLimiter {
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public:
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// For example, 100kb per second.
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DataRateLimiter(size_t max, double period)
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: max_per_period_(max),
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period_length_(period),
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used_in_period_(0),
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period_start_(0.0),
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period_end_(period) {}
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virtual ~DataRateLimiter() {}
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// Returns true if if the desired quantity is available in the
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// current period (< (max - used)). Once the given time passes the
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// end of the period, used is set to zero and more use is available.
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bool CanUse(size_t desired, double time);
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// Increment the quantity used this period. If past the end of a
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// period, a new period is started.
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void Use(size_t used, double time);
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size_t used_in_period() const { return used_in_period_; }
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size_t max_per_period() const { return max_per_period_; }
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private:
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size_t max_per_period_;
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double period_length_;
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size_t used_in_period_;
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double period_start_;
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double period_end_;
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};
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} // namespace webrtc
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#endif // RTC_BASE_DATA_RATE_LIMITER_H_
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