117 lines
4.2 KiB
C++
117 lines
4.2 KiB
C++
/*
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* Copyright 2017 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 "call/call_factory.h"
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#include <stdio.h>
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#include <memory>
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#include <string>
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#include <utility>
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#include <vector>
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#include "absl/memory/memory.h"
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#include "absl/types/optional.h"
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#include "api/test/simulated_network.h"
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#include "api/units/time_delta.h"
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#include "call/call.h"
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#include "call/degraded_call.h"
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#include "call/rtp_transport_config.h"
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#include "rtc_base/checks.h"
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#include "rtc_base/experiments/field_trial_list.h"
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#include "rtc_base/experiments/field_trial_parser.h"
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namespace webrtc {
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namespace {
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using TimeScopedNetworkConfig = DegradedCall::TimeScopedNetworkConfig;
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std::vector<TimeScopedNetworkConfig> GetNetworkConfigs(
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const FieldTrialsView& trials,
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bool send) {
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FieldTrialStructList<TimeScopedNetworkConfig> trials_list(
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{FieldTrialStructMember("queue_length_packets",
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[](TimeScopedNetworkConfig* p) {
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// FieldTrialParser does not natively support
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// size_t type, so use this ugly cast as
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// workaround.
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return reinterpret_cast<unsigned*>(
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&p->queue_length_packets);
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}),
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FieldTrialStructMember(
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"queue_delay_ms",
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[](TimeScopedNetworkConfig* p) { return &p->queue_delay_ms; }),
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FieldTrialStructMember("delay_standard_deviation_ms",
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[](TimeScopedNetworkConfig* p) {
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return &p->delay_standard_deviation_ms;
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}),
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FieldTrialStructMember(
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"link_capacity_kbps",
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[](TimeScopedNetworkConfig* p) { return &p->link_capacity_kbps; }),
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FieldTrialStructMember(
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"loss_percent",
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[](TimeScopedNetworkConfig* p) { return &p->loss_percent; }),
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FieldTrialStructMember(
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"allow_reordering",
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[](TimeScopedNetworkConfig* p) { return &p->allow_reordering; }),
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FieldTrialStructMember("avg_burst_loss_length",
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[](TimeScopedNetworkConfig* p) {
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return &p->avg_burst_loss_length;
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}),
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FieldTrialStructMember(
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"packet_overhead",
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[](TimeScopedNetworkConfig* p) { return &p->packet_overhead; }),
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FieldTrialStructMember(
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"duration",
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[](TimeScopedNetworkConfig* p) { return &p->duration; })},
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{});
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ParseFieldTrial({&trials_list},
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trials.Lookup(send ? "WebRTC-FakeNetworkSendConfig"
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: "WebRTC-FakeNetworkReceiveConfig"));
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return trials_list.Get();
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}
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} // namespace
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CallFactory::CallFactory() {
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call_thread_.Detach();
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}
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Call* CallFactory::CreateCall(const Call::Config& config) {
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RTC_DCHECK_RUN_ON(&call_thread_);
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RTC_DCHECK(config.trials);
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std::vector<DegradedCall::TimeScopedNetworkConfig> send_degradation_configs =
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GetNetworkConfigs(*config.trials, /*send=*/true);
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std::vector<DegradedCall::TimeScopedNetworkConfig>
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receive_degradation_configs =
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GetNetworkConfigs(*config.trials, /*send=*/false);
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RtpTransportConfig transportConfig = config.ExtractTransportConfig();
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Call* call =
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Call::Create(config, Clock::GetRealTimeClock(),
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config.rtp_transport_controller_send_factory->Create(
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transportConfig, Clock::GetRealTimeClock()));
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if (!send_degradation_configs.empty() ||
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!receive_degradation_configs.empty()) {
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return new DegradedCall(absl::WrapUnique(call), send_degradation_configs,
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receive_degradation_configs);
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}
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return call;
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}
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std::unique_ptr<CallFactoryInterface> CreateCallFactory() {
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return std::unique_ptr<CallFactoryInterface>(new CallFactory());
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}
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} // namespace webrtc
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