0a1d189e50
This is a no-op change because rtc::Optional is an alias to absl::optional
This CL generated by running script with parameter 'rtc_base'
Then manually fix where Optional was used without rtc prefix (patchset#3)
find $@ -type f \( -name \*.h -o -name \*.cc \) \
-exec sed -i 's|rtc::Optional|absl::optional|g' {} \+ \
-exec sed -i 's|rtc::nullopt|absl::nullopt|g' {} \+ \
-exec sed -i 's|#include "api/optional.h"|#include "absl/types/optional.h"|' {} \+
find $@ -type f -name BUILD.gn \
-exec sed -r -i 's|"[\./api]*:optional"|"//third_party/abseil-cpp/absl/types:optional"|' {} \+;
git cl format
Bug: webrtc:9078
Change-Id: I825f80cc8089747876ba6316d9e7c30e05716974
Reviewed-on: https://webrtc-review.googlesource.com/84585
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23700}
64 lines
2.3 KiB
C++
64 lines
2.3 KiB
C++
/*
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* Copyright 2018 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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#include "rtc_base/experiments/congestion_controller_experiment.h"
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#include <string>
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#include "system_wrappers/include/field_trial.h"
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namespace webrtc {
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namespace {
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const char kControllerExperiment[] = "WebRTC-BweCongestionController";
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} // namespace
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bool CongestionControllerExperiment::BbrControllerEnabled() {
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std::string trial_string =
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webrtc::field_trial::FindFullName(kControllerExperiment);
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return trial_string.find("Enabled,BBR") == 0;
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}
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bool CongestionControllerExperiment::InjectedControllerEnabled() {
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std::string trial_string =
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webrtc::field_trial::FindFullName(kControllerExperiment);
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return trial_string.find("Enabled,Injected") == 0;
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}
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absl::optional<CongestionControllerExperiment::BbrExperimentConfig>
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CongestionControllerExperiment::GetBbrExperimentConfig() {
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if (!BbrControllerEnabled())
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return absl::nullopt;
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std::string trial_string =
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webrtc::field_trial::FindFullName(kControllerExperiment);
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BbrExperimentConfig config;
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if (sscanf(
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trial_string.c_str(),
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"Enabled,BBR,"
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"%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,"
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"%lf,%lf,%lf,%lf,%lf,%lf",
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&config.exit_startup_on_loss, &config.exit_startup_rtt_threshold_ms,
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&config.fully_drain_queue, &config.initial_conservation_in_startup,
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&config.num_startup_rtts, &config.probe_rtt_based_on_bdp,
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&config.probe_rtt_disabled_if_app_limited,
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&config.probe_rtt_skipped_if_similar_rtt, &config.rate_based_recovery,
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&config.rate_based_startup, &config.slower_startup,
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&config.encoder_rate_gain, &config.encoder_rate_gain_in_probe_rtt,
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&config.max_ack_height_window_multiplier,
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&config.max_aggregation_bytes_multiplier,
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&config.probe_bw_pacing_gain_offset,
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&config.probe_rtt_congestion_window_gain) == 17) {
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return config;
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} else {
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return absl::nullopt;
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}
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}
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} // namespace webrtc
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