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ed1f75ab6d
Sine a starting rate field was added to the constraints struct. Having it in the initial config separately is reduntant. To simplify the code, the extra field is removed. This is a follow up on: https://webrtc-review.googlesource.com/c/src/+/92624 Bug: webrtc:9586 Change-Id: I9b01b16b2fc4b8479e83b7e998308be2295e0325 Reviewed-on: https://webrtc-review.googlesource.com/96801 Commit-Queue: Sebastian Jansson <srte@webrtc.org> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Cr-Commit-Position: refs/heads/master@{#24514}
115 lines
4.3 KiB
C++
115 lines
4.3 KiB
C++
/*
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* Copyright (c) 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 <memory>
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#include "api/transport/test/network_control_tester.h"
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#include "modules/congestion_controller/pcc/pcc_factory.h"
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#include "modules/congestion_controller/pcc/pcc_network_controller.h"
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#include "test/gmock.h"
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#include "test/gtest.h"
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using testing::Field;
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using testing::Matcher;
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using testing::AllOf;
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using testing::Ge;
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using testing::Le;
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using testing::Property;
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namespace webrtc {
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namespace pcc {
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namespace test {
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namespace {
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const DataRate kInitialBitrate = DataRate::kbps(60);
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const Timestamp kDefaultStartTime = Timestamp::ms(10000000);
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constexpr double kDataRateMargin = 0.20;
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constexpr double kMinDataRateFactor = 1 - kDataRateMargin;
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constexpr double kMaxDataRateFactor = 1 + kDataRateMargin;
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inline Matcher<TargetTransferRate> TargetRateCloseTo(DataRate rate) {
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DataRate min_data_rate = rate * kMinDataRateFactor;
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DataRate max_data_rate = rate * kMaxDataRateFactor;
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return Field(&TargetTransferRate::target_rate,
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AllOf(Ge(min_data_rate), Le(max_data_rate)));
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}
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NetworkControllerConfig InitialConfig(
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int starting_bandwidth_kbps = kInitialBitrate.kbps(),
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int min_data_rate_kbps = 0,
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int max_data_rate_kbps = 5 * kInitialBitrate.kbps()) {
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NetworkControllerConfig config;
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config.constraints.at_time = kDefaultStartTime;
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config.constraints.min_data_rate = DataRate::kbps(min_data_rate_kbps);
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config.constraints.max_data_rate = DataRate::kbps(max_data_rate_kbps);
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config.constraints.starting_rate = DataRate::kbps(starting_bandwidth_kbps);
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return config;
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}
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ProcessInterval InitialProcessInterval() {
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ProcessInterval process_interval;
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process_interval.at_time = kDefaultStartTime;
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return process_interval;
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}
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} // namespace
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TEST(PccNetworkControllerTest, SendsConfigurationOnFirstProcess) {
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std::unique_ptr<NetworkControllerInterface> controller_;
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controller_.reset(new PccNetworkController(InitialConfig()));
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NetworkControlUpdate update =
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controller_->OnProcessInterval(InitialProcessInterval());
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EXPECT_THAT(*update.target_rate, TargetRateCloseTo(kInitialBitrate));
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EXPECT_THAT(*update.pacer_config,
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Property(&PacerConfig::data_rate, Ge(kInitialBitrate)));
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}
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TEST(PccNetworkControllerTest, UpdatesTargetSendRate) {
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PccNetworkControllerFactory factory;
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webrtc::test::NetworkControllerTester tester(&factory,
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InitialConfig(60, 0, 600));
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auto packet_producer = &webrtc::test::SimpleTargetRateProducer::ProduceNext;
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tester.RunSimulation(TimeDelta::seconds(10), TimeDelta::ms(10),
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DataRate::kbps(300), TimeDelta::ms(100),
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packet_producer);
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EXPECT_GE(tester.GetState().target_rate->target_rate.kbps(),
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300 * kMinDataRateFactor);
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EXPECT_LE(tester.GetState().target_rate->target_rate.kbps(),
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300 * kMaxDataRateFactor);
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tester.RunSimulation(TimeDelta::seconds(30), TimeDelta::ms(10),
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DataRate::kbps(500), TimeDelta::ms(100),
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packet_producer);
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EXPECT_GE(tester.GetState().target_rate->target_rate.kbps(),
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500 * kMinDataRateFactor);
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EXPECT_LE(tester.GetState().target_rate->target_rate.kbps(),
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500 * kMaxDataRateFactor);
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tester.RunSimulation(TimeDelta::seconds(2), TimeDelta::ms(10),
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DataRate::kbps(200), TimeDelta::ms(200),
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packet_producer);
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EXPECT_LE(tester.GetState().target_rate->target_rate.kbps(),
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200 * kMaxDataRateFactor);
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tester.RunSimulation(TimeDelta::seconds(18), TimeDelta::ms(10),
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DataRate::kbps(200), TimeDelta::ms(200),
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packet_producer);
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EXPECT_GE(tester.GetState().target_rate->target_rate.kbps(),
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200 * kMinDataRateFactor);
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EXPECT_LE(tester.GetState().target_rate->target_rate.kbps(),
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200 * kMaxDataRateFactor);
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}
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} // namespace test
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} // namespace pcc
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} // namespace webrtc
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