From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- dom/media/webrtc/transport/simpletokenbucket.h | 54 ++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 dom/media/webrtc/transport/simpletokenbucket.h (limited to 'dom/media/webrtc/transport/simpletokenbucket.h') diff --git a/dom/media/webrtc/transport/simpletokenbucket.h b/dom/media/webrtc/transport/simpletokenbucket.h new file mode 100644 index 0000000000..7e809535b1 --- /dev/null +++ b/dom/media/webrtc/transport/simpletokenbucket.h @@ -0,0 +1,54 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this file, + * You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* Original author: bcampen@mozilla.com */ + +/* + * This file defines a dirt-simple token bucket class. + */ + +#ifndef simpletokenbucket_h__ +#define simpletokenbucket_h__ + +#include + +#include "prinrval.h" + +#include "m_cpp_utils.h" + +namespace mozilla { + +class SimpleTokenBucket { + public: + /* + * Create a SimpleTokenBucket with a given maximum size and + * token replenishment rate. + * (eg; if you want a maximum rate of 5 per second over a 7 second + * period, call SimpleTokenBucket b(5*7, 5);) + */ + SimpleTokenBucket(size_t bucket_size, size_t tokens_per_second); + + /* + * Attempt to acquire a number of tokens. If successful, returns + * |num_tokens|, otherwise returns the number of tokens currently + * in the bucket. + * Note: To get the number of tokens in the bucket, pass something + * like UINT32_MAX. + */ + size_t getTokens(size_t num_tokens); + + protected: // Allow testing to touch these. + uint64_t max_tokens_; + uint64_t num_tokens_; + size_t tokens_per_second_; + PRIntervalTime last_time_tokens_added_; + + DISALLOW_COPY_ASSIGN(SimpleTokenBucket); +}; + +} // namespace mozilla + +#endif // simpletokenbucket_h__ -- cgit v1.2.3