| /* |
| * Copyright 2018 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 "modules/congestion_controller/bbr/test/bbr_printer.h" |
| |
| #include "rtc_base/checks.h" |
| |
| namespace webrtc { |
| |
| BbrStatePrinter::BbrStatePrinter() = default; |
| BbrStatePrinter::~BbrStatePrinter() = default; |
| |
| void BbrStatePrinter::Attach(bbr::BbrNetworkController* controller) { |
| controller_ = controller; |
| } |
| |
| bool BbrStatePrinter::Attached() const { |
| return controller_ != nullptr; |
| } |
| |
| void BbrStatePrinter::PrintHeaders(FILE* out) { |
| fprintf(out, "bbr_mode bbr_recovery_state round_trip_count gain_cycle_index"); |
| } |
| |
| void BbrStatePrinter::PrintValues(FILE* out) { |
| RTC_CHECK(controller_); |
| bbr::BbrNetworkController::DebugState debug(*controller_); |
| fprintf(out, "%i %i %i %i", debug.mode, debug.recovery_state, |
| static_cast<int>(debug.round_trip_count), debug.gain_cycle_index); |
| } |
| |
| NetworkControlUpdate BbrStatePrinter::GetState(Timestamp at_time) const { |
| RTC_CHECK(controller_); |
| return controller_->CreateRateUpdate(at_time); |
| } |
| |
| BbrDebugFactory::BbrDebugFactory(BbrStatePrinter* printer) |
| : printer_(printer) {} |
| |
| std::unique_ptr<NetworkControllerInterface> BbrDebugFactory::Create( |
| NetworkControllerConfig config) { |
| RTC_CHECK(controller_ == nullptr); |
| auto controller = BbrNetworkControllerFactory::Create(config); |
| controller_ = static_cast<bbr::BbrNetworkController*>(controller.get()); |
| printer_->Attach(controller_); |
| return controller; |
| } |
| |
| bbr::BbrNetworkController* BbrDebugFactory::BbrController() { |
| return controller_; |
| } |
| |
| } // namespace webrtc |