Index: webrtc/base/rate_limiter.cc |
diff --git a/webrtc/base/rate_limiter.cc b/webrtc/base/rate_limiter.cc |
deleted file mode 100644 |
index 9215fa0c7fe456fda20ace948d0010a3cca9de63..0000000000000000000000000000000000000000 |
--- a/webrtc/base/rate_limiter.cc |
+++ /dev/null |
@@ -1,65 +0,0 @@ |
-/* |
- * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. |
- * |
- * Use of this source code is governed by a BSD-style license |
- * that can be found in the LICENSE file in the root of the source |
- * tree. An additional intellectual property rights grant can be found |
- * in the file PATENTS. All contributing project authors may |
- * be found in the AUTHORS file in the root of the source tree. |
- */ |
- |
-#include "webrtc/base/rate_limiter.h" |
-#include "webrtc/system_wrappers/include/clock.h" |
- |
-namespace webrtc { |
- |
-RateLimiter::RateLimiter(const Clock* clock, int64_t max_window_ms) |
- : clock_(clock), |
- current_rate_(max_window_ms, RateStatistics::kBpsScale), |
- window_size_ms_(max_window_ms), |
- max_rate_bps_(std::numeric_limits<uint32_t>::max()) {} |
- |
-RateLimiter::~RateLimiter() {} |
- |
-// Usage note: This class is intended be usable in a scenario where different |
-// threads may call each of the the different method. For instance, a network |
-// thread trying to send data calling TryUseRate(), the bandwidth estimator |
-// calling SetMaxRate() and a timed maintenance thread periodically updating |
-// the RTT. |
-bool RateLimiter::TryUseRate(size_t packet_size_bytes) { |
- rtc::CritScope cs(&lock_); |
- int64_t now_ms = clock_->TimeInMilliseconds(); |
- rtc::Optional<uint32_t> current_rate = current_rate_.Rate(now_ms); |
- if (current_rate) { |
- // If there is a current rate, check if adding bytes would cause maximum |
- // bitrate target to be exceeded. If there is NOT a valid current rate, |
- // allow allocating rate even if target is exceeded. This prevents |
- // problems |
- // at very low rates, where for instance retransmissions would never be |
- // allowed due to too high bitrate caused by a single packet. |
- |
- size_t bitrate_addition_bps = |
- (packet_size_bytes * 8 * 1000) / window_size_ms_; |
- if (*current_rate + bitrate_addition_bps > max_rate_bps_) |
- return false; |
- } |
- |
- current_rate_.Update(packet_size_bytes, now_ms); |
- return true; |
-} |
- |
-void RateLimiter::SetMaxRate(uint32_t max_rate_bps) { |
- rtc::CritScope cs(&lock_); |
- max_rate_bps_ = max_rate_bps; |
-} |
- |
-// Set the window size over which to measure the current bitrate. |
-// For retransmissions, this is typically the RTT. |
-bool RateLimiter::SetWindowSize(int64_t window_size_ms) { |
- rtc::CritScope cs(&lock_); |
- window_size_ms_ = window_size_ms; |
- return current_rate_.SetWindowSize(window_size_ms, |
- clock_->TimeInMilliseconds()); |
-} |
- |
-} // namespace webrtc |