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webrtc / src / fb7a6a7f8dc8f7f549203dc95bc1789183b88c01 / . / logging / rtc_event_log / rtc_event_log_unittest.cc
blob: ec68ad2461910fadf28eb236b8bb2d5006a0b4f5 [file] [log] [blame]
/*
* Copyright (c) 2015 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 <algorithm>
#include <limits>
#include <map>
#include <memory>
#include <string>
#include <tuple>
#include <utility>
#include <vector>
#include "absl/memory/memory.h"
#include "logging/rtc_event_log/events/rtc_event_audio_network_adaptation.h"
#include "logging/rtc_event_log/events/rtc_event_audio_playout.h"
#include "logging/rtc_event_log/events/rtc_event_audio_receive_stream_config.h"
#include "logging/rtc_event_log/events/rtc_event_audio_send_stream_config.h"
#include "logging/rtc_event_log/events/rtc_event_bwe_update_delay_based.h"
#include "logging/rtc_event_log/events/rtc_event_bwe_update_loss_based.h"
#include "logging/rtc_event_log/events/rtc_event_dtls_transport_state.h"
#include "logging/rtc_event_log/events/rtc_event_dtls_writable_state.h"
#include "logging/rtc_event_log/events/rtc_event_probe_cluster_created.h"
#include "logging/rtc_event_log/events/rtc_event_probe_result_failure.h"
#include "logging/rtc_event_log/events/rtc_event_probe_result_success.h"
#include "logging/rtc_event_log/events/rtc_event_rtcp_packet_incoming.h"
#include "logging/rtc_event_log/events/rtc_event_rtcp_packet_outgoing.h"
#include "logging/rtc_event_log/events/rtc_event_rtp_packet_incoming.h"
#include "logging/rtc_event_log/events/rtc_event_rtp_packet_outgoing.h"
#include "logging/rtc_event_log/events/rtc_event_video_receive_stream_config.h"
#include "logging/rtc_event_log/events/rtc_event_video_send_stream_config.h"
#include "logging/rtc_event_log/output/rtc_event_log_output_file.h"
#include "logging/rtc_event_log/rtc_event_log.h"
#include "logging/rtc_event_log/rtc_event_log_parser.h"
#include "logging/rtc_event_log/rtc_event_log_unittest_helper.h"
#include "logging/rtc_event_log/rtc_stream_config.h"
#include "modules/rtp_rtcp/include/rtp_header_extension_map.h"
#include "modules/rtp_rtcp/source/rtp_header_extensions.h"
#include "rtc_base/checks.h"
#include "rtc_base/fake_clock.h"
#include "rtc_base/random.h"
#include "test/gtest.h"
#include "test/testsupport/file_utils.h"
namespace webrtc {
namespace {
RtpHeaderExtensionMap ExtensionMapWithAllSupportedExtensions() {
RtpHeaderExtensionMap all_extensions;
all_extensions.Register<AudioLevel>(RtpExtension::kAudioLevelDefaultId);
all_extensions.Register<TransmissionOffset>(
RtpExtension::kTimestampOffsetDefaultId);
all_extensions.Register<AbsoluteSendTime>(
RtpExtension::kAbsSendTimeDefaultId);
all_extensions.Register<VideoOrientation>(
RtpExtension::kVideoRotationDefaultId);
all_extensions.Register<TransportSequenceNumber>(
RtpExtension::kTransportSequenceNumberDefaultId);
return all_extensions;
}
struct EventCounts {
size_t audio_send_streams = 0;
size_t audio_recv_streams = 0;
size_t video_send_streams = 0;
size_t video_recv_streams = 0;
size_t alr_states = 0;
size_t audio_playouts = 0;
size_t ana_configs = 0;
size_t bwe_loss_events = 0;
size_t bwe_delay_events = 0;
size_t dtls_transport_states = 0;
size_t dtls_writable_states = 0;
size_t probe_creations = 0;
size_t probe_successes = 0;
size_t probe_failures = 0;
size_t ice_configs = 0;
size_t ice_events = 0;
size_t incoming_rtp_packets = 0;
size_t outgoing_rtp_packets = 0;
size_t incoming_rtcp_packets = 0;
size_t outgoing_rtcp_packets = 0;
size_t total_nonconfig_events() const {
return alr_states + audio_playouts + ana_configs + bwe_loss_events +
bwe_delay_events + dtls_transport_states + dtls_writable_states +
probe_creations + probe_successes + probe_failures + ice_configs +
ice_events + incoming_rtp_packets + outgoing_rtp_packets +
incoming_rtcp_packets + outgoing_rtcp_packets;
}
size_t total_config_events() const {
return audio_send_streams + audio_recv_streams + video_send_streams +
video_recv_streams;
}
size_t total_events() const {
return total_nonconfig_events() + total_config_events();
}
};
class RtcEventLogSession
: public ::testing::TestWithParam<
std::tuple<uint64_t, int64_t, RtcEventLog::EncodingType>> {
public:
RtcEventLogSession()
: seed_(std::get<0>(GetParam())),
prng_(seed_),
output_period_ms_(std::get<1>(GetParam())),
encoding_type_(std::get<2>(GetParam())),
gen_(seed_ * 880001UL),
verifier_(encoding_type_) {
clock_.SetTimeMicros(prng_.Rand<uint32_t>());
// Find the name of the current test, in order to use it as a temporary
// filename.
// TODO(terelius): Use a general utility function to generate a temp file.
auto test_info = ::testing::UnitTest::GetInstance()->current_test_info();
std::string test_name =
std::string(test_info->test_case_name()) + "_" + test_info->name();
std::replace(test_name.begin(), test_name.end(), '/', '_');
temp_filename_ = test::OutputPath() + test_name;
}
// Create and buffer the config events and |num_events_before_log_start|
// randomized non-config events. Then call StartLogging and finally create and
// write the remaining non-config events.
void WriteLog(EventCounts count, size_t num_events_before_log_start);
void ReadAndVerifyLog();
private:
void WriteAudioRecvConfigs(size_t audio_recv_streams, RtcEventLog* event_log);
void WriteAudioSendConfigs(size_t audio_send_streams, RtcEventLog* event_log);
void WriteVideoRecvConfigs(size_t video_recv_streams, RtcEventLog* event_log);
void WriteVideoSendConfigs(size_t video_send_streams, RtcEventLog* event_log);
std::vector<std::pair<uint32_t, RtpHeaderExtensionMap>> incoming_extensions_;
std::vector<std::pair<uint32_t, RtpHeaderExtensionMap>> outgoing_extensions_;
// Config events.
std::vector<std::unique_ptr<RtcEventAudioSendStreamConfig>>
audio_send_config_list_;
std::vector<std::unique_ptr<RtcEventAudioReceiveStreamConfig>>
audio_recv_config_list_;
std::vector<std::unique_ptr<RtcEventVideoSendStreamConfig>>
video_send_config_list_;
std::vector<std::unique_ptr<RtcEventVideoReceiveStreamConfig>>
video_recv_config_list_;
// Regular events.
std::vector<std::unique_ptr<RtcEventAlrState>> alr_state_list_;
std::map<uint32_t, std::vector<std::unique_ptr<RtcEventAudioPlayout>>>
audio_playout_map_; // Groups audio by SSRC.
std::vector<std::unique_ptr<RtcEventAudioNetworkAdaptation>>
ana_configs_list_;
std::vector<std::unique_ptr<RtcEventBweUpdateLossBased>> bwe_loss_list_;
std::vector<std::unique_ptr<RtcEventBweUpdateDelayBased>> bwe_delay_list_;
std::vector<std::unique_ptr<RtcEventDtlsTransportState>>
dtls_transport_state_list_;
std::vector<std::unique_ptr<RtcEventDtlsWritableState>>
dtls_writable_state_list_;
std::vector<std::unique_ptr<RtcEventProbeClusterCreated>>
probe_creation_list_;
std::vector<std::unique_ptr<RtcEventProbeResultSuccess>> probe_success_list_;
std::vector<std::unique_ptr<RtcEventProbeResultFailure>> probe_failure_list_;
std::vector<std::unique_ptr<RtcEventIceCandidatePairConfig>> ice_config_list_;
std::vector<std::unique_ptr<RtcEventIceCandidatePair>> ice_event_list_;
std::map<uint32_t, std::vector<std::unique_ptr<RtcEventRtpPacketIncoming>>>
incoming_rtp_map_; // Groups incoming RTP by SSRC.
std::map<uint32_t, std::vector<std::unique_ptr<RtcEventRtpPacketOutgoing>>>
outgoing_rtp_map_; // Groups outgoing RTP by SSRC.
std::vector<std::unique_ptr<RtcEventRtcpPacketIncoming>> incoming_rtcp_list_;
std::vector<std::unique_ptr<RtcEventRtcpPacketOutgoing>> outgoing_rtcp_list_;
int64_t start_time_us_;
int64_t utc_start_time_us_;
int64_t stop_time_us_;
int64_t first_timestamp_ms_ = std::numeric_limits<int64_t>::max();
int64_t last_timestamp_ms_ = std::numeric_limits<int64_t>::min();
const uint64_t seed_;
Random prng_;
const int64_t output_period_ms_;
const RtcEventLog::EncodingType encoding_type_;
test::EventGenerator gen_;
test::EventVerifier verifier_;
rtc::ScopedFakeClock clock_;
std::string temp_filename_;
};
bool SsrcUsed(
uint32_t ssrc,
const std::vector<std::pair<uint32_t, RtpHeaderExtensionMap>>& streams) {
for (const auto& kv : streams) {
if (kv.first == ssrc)
return true;
}
return false;
}
void RtcEventLogSession::WriteAudioRecvConfigs(size_t audio_recv_streams,
RtcEventLog* event_log) {
RTC_CHECK(event_log != nullptr);
uint32_t ssrc;
for (size_t i = 0; i < audio_recv_streams; i++) {
clock_.AdvanceTimeMicros(prng_.Rand(20) * 1000);
do {
ssrc = prng_.Rand<uint32_t>();
} while (SsrcUsed(ssrc, incoming_extensions_));
RtpHeaderExtensionMap extensions = gen_.NewRtpHeaderExtensionMap();
incoming_extensions_.emplace_back(ssrc, extensions);
auto event = gen_.NewAudioReceiveStreamConfig(ssrc, extensions);
event_log->Log(event->Copy());
audio_recv_config_list_.push_back(std::move(event));
}
}
void RtcEventLogSession::WriteAudioSendConfigs(size_t audio_send_streams,
RtcEventLog* event_log) {
RTC_CHECK(event_log != nullptr);
uint32_t ssrc;
for (size_t i = 0; i < audio_send_streams; i++) {
clock_.AdvanceTimeMicros(prng_.Rand(20) * 1000);
do {
ssrc = prng_.Rand<uint32_t>();
} while (SsrcUsed(ssrc, outgoing_extensions_));
RtpHeaderExtensionMap extensions = gen_.NewRtpHeaderExtensionMap();
outgoing_extensions_.emplace_back(ssrc, extensions);
auto event = gen_.NewAudioSendStreamConfig(ssrc, extensions);
event_log->Log(event->Copy());
audio_send_config_list_.push_back(std::move(event));
}
}
void RtcEventLogSession::WriteVideoRecvConfigs(size_t video_recv_streams,
RtcEventLog* event_log) {
RTC_CHECK(event_log != nullptr);
RTC_CHECK_GE(video_recv_streams, 1);
// Force least one stream to use all header extensions, to ensure
// (statistically) that every extension is tested in packet creation.
RtpHeaderExtensionMap all_extensions =
ExtensionMapWithAllSupportedExtensions();
clock_.AdvanceTimeMicros(prng_.Rand(20) * 1000);
uint32_t ssrc = prng_.Rand<uint32_t>();
incoming_extensions_.emplace_back(prng_.Rand<uint32_t>(), all_extensions);
auto event = gen_.NewVideoReceiveStreamConfig(ssrc, all_extensions);
event_log->Log(event->Copy());
video_recv_config_list_.push_back(std::move(event));
for (size_t i = 1; i < video_recv_streams; i++) {
clock_.AdvanceTimeMicros(prng_.Rand(20) * 1000);
do {
ssrc = prng_.Rand<uint32_t>();
} while (SsrcUsed(ssrc, incoming_extensions_));
RtpHeaderExtensionMap extensions = gen_.NewRtpHeaderExtensionMap();
incoming_extensions_.emplace_back(ssrc, extensions);
auto event = gen_.NewVideoReceiveStreamConfig(ssrc, extensions);
event_log->Log(event->Copy());
video_recv_config_list_.push_back(std::move(event));
}
}
void RtcEventLogSession::WriteVideoSendConfigs(size_t video_send_streams,
RtcEventLog* event_log) {
RTC_CHECK(event_log != nullptr);
RTC_CHECK_GE(video_send_streams, 1);
// Force least one stream to use all header extensions, to ensure
// (statistically) that every extension is tested in packet creation.
RtpHeaderExtensionMap all_extensions =
ExtensionMapWithAllSupportedExtensions();
clock_.AdvanceTimeMicros(prng_.Rand(20) * 1000);
uint32_t ssrc = prng_.Rand<uint32_t>();
outgoing_extensions_.emplace_back(prng_.Rand<uint32_t>(), all_extensions);
auto event = gen_.NewVideoSendStreamConfig(ssrc, all_extensions);
event_log->Log(event->Copy());
video_send_config_list_.push_back(std::move(event));
for (size_t i = 1; i < video_send_streams; i++) {
clock_.AdvanceTimeMicros(prng_.Rand(20) * 1000);
do {
ssrc = prng_.Rand<uint32_t>();
} while (SsrcUsed(ssrc, outgoing_extensions_));
RtpHeaderExtensionMap extensions = gen_.NewRtpHeaderExtensionMap();
outgoing_extensions_.emplace_back(ssrc, extensions);
auto event = gen_.NewVideoSendStreamConfig(ssrc, extensions);
event_log->Log(event->Copy());
video_send_config_list_.push_back(std::move(event));
}
}
void RtcEventLogSession::WriteLog(EventCounts count,
size_t num_events_before_start) {
// TODO(terelius): Allow test to run with either a real or a fake clock_.
// Maybe always use the ScopedFakeClock, but conditionally SleepMs()?
// The log file will be flushed to disk when the event_log goes out of scope.
std::unique_ptr<RtcEventLog> event_log(RtcEventLog::Create(encoding_type_));
// We can't send or receive packets without configured streams.
RTC_CHECK_GE(count.video_recv_streams, 1);
RTC_CHECK_GE(count.video_send_streams, 1);
WriteAudioRecvConfigs(count.audio_recv_streams, event_log.get());
WriteAudioSendConfigs(count.audio_send_streams, event_log.get());
WriteVideoRecvConfigs(count.video_recv_streams, event_log.get());
WriteVideoSendConfigs(count.video_send_streams, event_log.get());
size_t remaining_events = count.total_nonconfig_events();
ASSERT_LE(num_events_before_start, remaining_events);
size_t remaining_events_at_start = remaining_events - num_events_before_start;
for (; remaining_events > 0; remaining_events--) {
if (remaining_events == remaining_events_at_start) {
clock_.AdvanceTimeMicros(prng_.Rand(20) * 1000);
event_log->StartLogging(
absl::make_unique<RtcEventLogOutputFile>(temp_filename_, 10000000),
output_period_ms_);
start_time_us_ = rtc::TimeMicros();
utc_start_time_us_ = rtc::TimeUTCMicros();
}
clock_.AdvanceTimeMicros(prng_.Rand(20) * 1000);
size_t selection = prng_.Rand(remaining_events - 1);
first_timestamp_ms_ = std::min(first_timestamp_ms_, rtc::TimeMillis());
last_timestamp_ms_ = std::max(last_timestamp_ms_, rtc::TimeMillis());
if (selection < count.alr_states) {
auto event = gen_.NewAlrState();
event_log->Log(event->Copy());
alr_state_list_.push_back(std::move(event));
count.alr_states--;
continue;
}
selection -= count.alr_states;
if (selection < count.audio_playouts) {
size_t stream = prng_.Rand(incoming_extensions_.size() - 1);
// This might be a video SSRC, but the parser does not use the config.
uint32_t ssrc = incoming_extensions_[stream].first;
auto event = gen_.NewAudioPlayout(ssrc);
event_log->Log(event->Copy());
audio_playout_map_[ssrc].push_back(std::move(event));
count.audio_playouts--;
continue;
}
selection -= count.audio_playouts;
if (selection < count.ana_configs) {
auto event = gen_.NewAudioNetworkAdaptation();
event_log->Log(event->Copy());
ana_configs_list_.push_back(std::move(event));
count.ana_configs--;
continue;
}
selection -= count.ana_configs;
if (selection < count.bwe_loss_events) {
auto event = gen_.NewBweUpdateLossBased();
event_log->Log(event->Copy());
bwe_loss_list_.push_back(std::move(event));
count.bwe_loss_events--;
continue;
}
selection -= count.bwe_loss_events;
if (selection < count.bwe_delay_events) {
auto event = gen_.NewBweUpdateDelayBased();
event_log->Log(event->Copy());
bwe_delay_list_.push_back(std::move(event));
count.bwe_delay_events--;
continue;
}
selection -= count.bwe_delay_events;
if (selection < count.probe_creations) {
auto event = gen_.NewProbeClusterCreated();
event_log->Log(event->Copy());
probe_creation_list_.push_back(std::move(event));
count.probe_creations--;
continue;
}
selection -= count.probe_creations;
if (selection < count.probe_successes) {
auto event = gen_.NewProbeResultSuccess();
event_log->Log(event->Copy());
probe_success_list_.push_back(std::move(event));
count.probe_successes--;
continue;
}
selection -= count.probe_successes;
if (selection < count.probe_failures) {
auto event = gen_.NewProbeResultFailure();
event_log->Log(event->Copy());
probe_failure_list_.push_back(std::move(event));
count.probe_failures--;
continue;
}
selection -= count.probe_failures;
if (selection < count.dtls_transport_states) {
auto event = gen_.NewDtlsTransportState();
event_log->Log(event->Copy());
dtls_transport_state_list_.push_back(std::move(event));
count.dtls_transport_states--;
continue;
}
selection -= count.dtls_transport_states;
if (selection < count.dtls_writable_states) {
auto event = gen_.NewDtlsWritableState();
event_log->Log(event->Copy());
dtls_writable_state_list_.push_back(std::move(event));
count.dtls_writable_states--;
continue;
}
selection -= count.dtls_writable_states;
if (selection < count.ice_configs) {
auto event = gen_.NewIceCandidatePairConfig();
event_log->Log(event->Copy());
ice_config_list_.push_back(std::move(event));
count.ice_configs--;
continue;
}
selection -= count.ice_configs;
if (selection < count.ice_events) {
auto event = gen_.NewIceCandidatePair();
event_log->Log(event->Copy());
ice_event_list_.push_back(std::move(event));
count.ice_events--;
continue;
}
selection -= count.ice_events;
if (selection < count.incoming_rtp_packets) {
size_t stream = prng_.Rand(incoming_extensions_.size() - 1);
uint32_t ssrc = incoming_extensions_[stream].first;
auto event =
gen_.NewRtpPacketIncoming(ssrc, incoming_extensions_[stream].second);
event_log->Log(event->Copy());
incoming_rtp_map_[ssrc].push_back(std::move(event));
count.incoming_rtp_packets--;
continue;
}
selection -= count.incoming_rtp_packets;
if (selection < count.outgoing_rtp_packets) {
size_t stream = prng_.Rand(outgoing_extensions_.size() - 1);
uint32_t ssrc = outgoing_extensions_[stream].first;
auto event =
gen_.NewRtpPacketOutgoing(ssrc, outgoing_extensions_[stream].second);
event_log->Log(event->Copy());
outgoing_rtp_map_[ssrc].push_back(std::move(event));
count.outgoing_rtp_packets--;
continue;
}
selection -= count.outgoing_rtp_packets;
if (selection < count.incoming_rtcp_packets) {
auto event = gen_.NewRtcpPacketIncoming();
event_log->Log(event->Copy());
incoming_rtcp_list_.push_back(std::move(event));
count.incoming_rtcp_packets--;
continue;
}
selection -= count.incoming_rtcp_packets;
if (selection < count.outgoing_rtcp_packets) {
auto event = gen_.NewRtcpPacketOutgoing();
event_log->Log(event->Copy());
outgoing_rtcp_list_.push_back(std::move(event));
count.outgoing_rtcp_packets--;
continue;
}
selection -= count.outgoing_rtcp_packets;
RTC_NOTREACHED();
}
event_log->StopLogging();
stop_time_us_ = rtc::TimeMicros();
ASSERT_EQ(count.total_nonconfig_events(), static_cast<size_t>(0));
}
// Read the file and verify that what we read back from the event log is the
// same as what we wrote down.
void RtcEventLogSession::ReadAndVerifyLog() {
// Read the generated file from disk.
ParsedRtcEventLog parsed_log;
ASSERT_TRUE(parsed_log.ParseFile(temp_filename_));
// Start and stop events.
auto& parsed_start_log_events = parsed_log.start_log_events();
ASSERT_EQ(parsed_start_log_events.size(), static_cast<size_t>(1));
verifier_.VerifyLoggedStartEvent(start_time_us_, utc_start_time_us_,
parsed_start_log_events[0]);
auto& parsed_stop_log_events = parsed_log.stop_log_events();
ASSERT_EQ(parsed_stop_log_events.size(), static_cast<size_t>(1));
verifier_.VerifyLoggedStopEvent(stop_time_us_, parsed_stop_log_events[0]);
auto& parsed_alr_state_events = parsed_log.alr_state_events();
ASSERT_EQ(parsed_alr_state_events.size(), alr_state_list_.size());
for (size_t i = 0; i < parsed_alr_state_events.size(); i++) {
verifier_.VerifyLoggedAlrStateEvent(*alr_state_list_[i],
parsed_alr_state_events[i]);
}
const auto& parsed_audio_playout_map = parsed_log.audio_playout_events();
ASSERT_EQ(parsed_audio_playout_map.size(), audio_playout_map_.size());
for (const auto& kv : parsed_audio_playout_map) {
uint32_t ssrc = kv.first;
const auto& parsed_audio_playout_stream = kv.second;
const auto& audio_playout_stream = audio_playout_map_[ssrc];
ASSERT_EQ(parsed_audio_playout_stream.size(), audio_playout_stream.size());
for (size_t i = 0; i < parsed_audio_playout_map.size(); i++) {
verifier_.VerifyLoggedAudioPlayoutEvent(*audio_playout_stream[i],
parsed_audio_playout_stream[i]);
}
}
auto& parsed_audio_network_adaptation_events =
parsed_log.audio_network_adaptation_events();
ASSERT_EQ(parsed_audio_network_adaptation_events.size(),
ana_configs_list_.size());
for (size_t i = 0; i < parsed_audio_network_adaptation_events.size(); i++) {
verifier_.VerifyLoggedAudioNetworkAdaptationEvent(
*ana_configs_list_[i], parsed_audio_network_adaptation_events[i]);
}
auto& parsed_bwe_delay_updates = parsed_log.bwe_delay_updates();
ASSERT_EQ(parsed_bwe_delay_updates.size(), bwe_delay_list_.size());
for (size_t i = 0; i < parsed_bwe_delay_updates.size(); i++) {
verifier_.VerifyLoggedBweDelayBasedUpdate(*bwe_delay_list_[i],
parsed_bwe_delay_updates[i]);
}
auto& parsed_bwe_loss_updates = parsed_log.bwe_loss_updates();
ASSERT_EQ(parsed_bwe_loss_updates.size(), bwe_loss_list_.size());
for (size_t i = 0; i < parsed_bwe_loss_updates.size(); i++) {
verifier_.VerifyLoggedBweLossBasedUpdate(*bwe_loss_list_[i],
parsed_bwe_loss_updates[i]);
}
auto& parsed_bwe_probe_cluster_created_events =
parsed_log.bwe_probe_cluster_created_events();
ASSERT_EQ(parsed_bwe_probe_cluster_created_events.size(),
probe_creation_list_.size());
for (size_t i = 0; i < parsed_bwe_probe_cluster_created_events.size(); i++) {
verifier_.VerifyLoggedBweProbeClusterCreatedEvent(
*probe_creation_list_[i], parsed_bwe_probe_cluster_created_events[i]);
}
auto& parsed_bwe_probe_failure_events = parsed_log.bwe_probe_failure_events();
ASSERT_EQ(parsed_bwe_probe_failure_events.size(), probe_failure_list_.size());
for (size_t i = 0; i < parsed_bwe_probe_failure_events.size(); i++) {
verifier_.VerifyLoggedBweProbeFailureEvent(
*probe_failure_list_[i], parsed_bwe_probe_failure_events[i]);
}
auto& parsed_bwe_probe_success_events = parsed_log.bwe_probe_success_events();
ASSERT_EQ(parsed_bwe_probe_success_events.size(), probe_success_list_.size());
for (size_t i = 0; i < parsed_bwe_probe_success_events.size(); i++) {
verifier_.VerifyLoggedBweProbeSuccessEvent(
*probe_success_list_[i], parsed_bwe_probe_success_events[i]);
}
auto& parsed_ice_candidate_pair_configs =
parsed_log.ice_candidate_pair_configs();
ASSERT_EQ(parsed_ice_candidate_pair_configs.size(), ice_config_list_.size());
for (size_t i = 0; i < parsed_ice_candidate_pair_configs.size(); i++) {
verifier_.VerifyLoggedIceCandidatePairConfig(
*ice_config_list_[i], parsed_ice_candidate_pair_configs[i]);
}
auto& parsed_ice_candidate_pair_events =
parsed_log.ice_candidate_pair_events();
ASSERT_EQ(parsed_ice_candidate_pair_events.size(),
parsed_ice_candidate_pair_events.size());
for (size_t i = 0; i < parsed_ice_candidate_pair_events.size(); i++) {
verifier_.VerifyLoggedIceCandidatePairEvent(
*ice_event_list_[i], parsed_ice_candidate_pair_events[i]);
}
auto& parsed_incoming_rtp_packets_by_ssrc =
parsed_log.incoming_rtp_packets_by_ssrc();
ASSERT_EQ(parsed_incoming_rtp_packets_by_ssrc.size(),
incoming_rtp_map_.size());
for (const auto& kv : parsed_incoming_rtp_packets_by_ssrc) {
uint32_t ssrc = kv.ssrc;
const auto& parsed_rtp_stream = kv.incoming_packets;
const auto& rtp_stream = incoming_rtp_map_[ssrc];
ASSERT_EQ(parsed_rtp_stream.size(), rtp_stream.size());
for (size_t i = 0; i < parsed_rtp_stream.size(); i++) {
verifier_.VerifyLoggedRtpPacketIncoming(*rtp_stream[i],
parsed_rtp_stream[i]);
}
}
auto& parsed_outgoing_rtp_packets_by_ssrc =
parsed_log.outgoing_rtp_packets_by_ssrc();
ASSERT_EQ(parsed_outgoing_rtp_packets_by_ssrc.size(),
outgoing_rtp_map_.size());
for (const auto& kv : parsed_outgoing_rtp_packets_by_ssrc) {
uint32_t ssrc = kv.ssrc;
const auto& parsed_rtp_stream = kv.outgoing_packets;
const auto& rtp_stream = outgoing_rtp_map_[ssrc];
ASSERT_EQ(parsed_rtp_stream.size(), rtp_stream.size());
for (size_t i = 0; i < parsed_rtp_stream.size(); i++) {
verifier_.VerifyLoggedRtpPacketOutgoing(*rtp_stream[i],
parsed_rtp_stream[i]);
}
}
auto& parsed_incoming_rtcp_packets = parsed_log.incoming_rtcp_packets();
ASSERT_EQ(parsed_incoming_rtcp_packets.size(), incoming_rtcp_list_.size());
for (size_t i = 0; i < parsed_incoming_rtcp_packets.size(); i++) {
verifier_.VerifyLoggedRtcpPacketIncoming(*incoming_rtcp_list_[i],
parsed_incoming_rtcp_packets[i]);
}
auto& parsed_outgoing_rtcp_packets = parsed_log.outgoing_rtcp_packets();
ASSERT_EQ(parsed_outgoing_rtcp_packets.size(), outgoing_rtcp_list_.size());
for (size_t i = 0; i < parsed_outgoing_rtcp_packets.size(); i++) {
verifier_.VerifyLoggedRtcpPacketOutgoing(*outgoing_rtcp_list_[i],
parsed_outgoing_rtcp_packets[i]);
}
auto& parsed_audio_recv_configs = parsed_log.audio_recv_configs();
ASSERT_EQ(parsed_audio_recv_configs.size(), audio_recv_config_list_.size());
for (size_t i = 0; i < parsed_audio_recv_configs.size(); i++) {
verifier_.VerifyLoggedAudioRecvConfig(*audio_recv_config_list_[i],
parsed_audio_recv_configs[i]);
}
auto& parsed_audio_send_configs = parsed_log.audio_send_configs();
ASSERT_EQ(parsed_audio_send_configs.size(), audio_send_config_list_.size());
for (size_t i = 0; i < parsed_audio_send_configs.size(); i++) {
verifier_.VerifyLoggedAudioSendConfig(*audio_send_config_list_[i],
parsed_audio_send_configs[i]);
}
auto& parsed_video_recv_configs = parsed_log.video_recv_configs();
ASSERT_EQ(parsed_video_recv_configs.size(), video_recv_config_list_.size());
for (size_t i = 0; i < parsed_video_recv_configs.size(); i++) {
verifier_.VerifyLoggedVideoRecvConfig(*video_recv_config_list_[i],
parsed_video_recv_configs[i]);
}
auto& parsed_video_send_configs = parsed_log.video_send_configs();
ASSERT_EQ(parsed_video_send_configs.size(), video_send_config_list_.size());
for (size_t i = 0; i < parsed_video_send_configs.size(); i++) {
verifier_.VerifyLoggedVideoSendConfig(*video_send_config_list_[i],
parsed_video_send_configs[i]);
}
EXPECT_EQ(first_timestamp_ms_, parsed_log.first_timestamp() / 1000);
EXPECT_EQ(last_timestamp_ms_, parsed_log.last_timestamp() / 1000);
// Clean up temporary file - can be pretty slow.
remove(temp_filename_.c_str());
}
} // namespace
TEST_P(RtcEventLogSession, StartLoggingFromBeginning) {
EventCounts count;
count.audio_send_streams = 2;
count.audio_recv_streams = 2;
count.video_send_streams = 3;
count.video_recv_streams = 4;
count.alr_states = 4;
count.audio_playouts = 100;
count.ana_configs = 3;
count.bwe_loss_events = 20;
count.bwe_delay_events = 20;
count.dtls_transport_states = 4;
count.dtls_writable_states = 2;
count.probe_creations = 4;
count.probe_successes = 2;
count.probe_failures = 2;
count.ice_configs = 3;
count.ice_events = 10;
count.incoming_rtp_packets = 100;
count.outgoing_rtp_packets = 100;
count.incoming_rtcp_packets = 20;
count.outgoing_rtcp_packets = 20;
WriteLog(count, 0);
ReadAndVerifyLog();
}
TEST_P(RtcEventLogSession, StartLoggingInTheMiddle) {
EventCounts count;
count.audio_send_streams = 3;
count.audio_recv_streams = 4;
count.video_send_streams = 5;
count.video_recv_streams = 6;
count.alr_states = 10;
count.audio_playouts = 500;
count.ana_configs = 10;
count.bwe_loss_events = 50;
count.bwe_delay_events = 50;
count.dtls_transport_states = 4;
count.dtls_writable_states = 5;
count.probe_creations = 10;
count.probe_successes = 5;
count.probe_failures = 5;
count.ice_configs = 10;
count.ice_events = 20;
count.incoming_rtp_packets = 500;
count.outgoing_rtp_packets = 500;
count.incoming_rtcp_packets = 50;
count.outgoing_rtcp_packets = 50;
WriteLog(count, 500);
ReadAndVerifyLog();
}
INSTANTIATE_TEST_CASE_P(
RtcEventLogTest,
RtcEventLogSession,
::testing::Combine(
::testing::Values(1234567, 7654321),
::testing::Values(RtcEventLog::kImmediateOutput, 1, 5),
::testing::Values(RtcEventLog::EncodingType::Legacy,
RtcEventLog::EncodingType::NewFormat)));
class RtcEventLogCircularBufferTest
: public ::testing::TestWithParam<RtcEventLog::EncodingType> {
public:
RtcEventLogCircularBufferTest()
: encoding_type_(GetParam()), verifier_(encoding_type_) {}
const RtcEventLog::EncodingType encoding_type_;
const test::EventVerifier verifier_;
};
TEST_P(RtcEventLogCircularBufferTest, KeepsMostRecentEvents) {
// TODO(terelius): Maybe make a separate RtcEventLogImplTest that can access
// the size of the cyclic buffer?
constexpr size_t kNumEvents = 20000;
constexpr int64_t kStartTime = 1000000;
constexpr int32_t kStartBitrate = 1000000;
auto test_info = ::testing::UnitTest::GetInstance()->current_test_info();
std::string test_name =
std::string(test_info->test_case_name()) + "_" + test_info->name();
std::replace(test_name.begin(), test_name.end(), '/', '_');
const std::string temp_filename = test::OutputPath() + test_name;
std::unique_ptr<rtc::ScopedFakeClock> fake_clock =
absl::make_unique<rtc::ScopedFakeClock>();
fake_clock->SetTimeMicros(kStartTime);
// When log_dumper goes out of scope, it causes the log file to be flushed
// to disk.
std::unique_ptr<RtcEventLog> log_dumper(RtcEventLog::Create(encoding_type_));
for (size_t i = 0; i < kNumEvents; i++) {
// The purpose of the test is to verify that the log can handle
// more events than what fits in the internal circular buffer. The exact
// type of events does not matter so we chose ProbeSuccess events for
// simplicity.
// We base the various values on the index. We use this for some basic
// consistency checks when we read back.
log_dumper->Log(absl::make_unique<RtcEventProbeResultSuccess>(
i, kStartBitrate + i * 1000));
fake_clock->AdvanceTimeMicros(10000);
}
int64_t start_time_us = rtc::TimeMicros();
int64_t utc_start_time_us = rtc::TimeUTCMicros();
log_dumper->StartLogging(
absl::make_unique<RtcEventLogOutputFile>(temp_filename, 10000000),
RtcEventLog::kImmediateOutput);
fake_clock->AdvanceTimeMicros(10000);
int64_t stop_time_us = rtc::TimeMicros();
log_dumper->StopLogging();
// Read the generated file from disk.
ParsedRtcEventLog parsed_log;
ASSERT_TRUE(parsed_log.ParseFile(temp_filename));
const auto& start_log_events = parsed_log.start_log_events();
ASSERT_EQ(start_log_events.size(), 1u);
verifier_.VerifyLoggedStartEvent(start_time_us, utc_start_time_us,
start_log_events[0]);
const auto& stop_log_events = parsed_log.stop_log_events();
ASSERT_EQ(stop_log_events.size(), 1u);
verifier_.VerifyLoggedStopEvent(stop_time_us, stop_log_events[0]);
const auto& probe_success_events = parsed_log.bwe_probe_success_events();
// If the following fails, it probably means that kNumEvents isn't larger
// than the size of the cyclic buffer in the event log. Try increasing
// kNumEvents.
EXPECT_LT(probe_success_events.size(), kNumEvents);
ASSERT_GT(probe_success_events.size(), 1u);
int64_t first_timestamp_us = probe_success_events[0].timestamp_us;
uint32_t first_id = probe_success_events[0].id;
int32_t first_bitrate_bps = probe_success_events[0].bitrate_bps;
// We want to reset the time to what we used when generating the events, but
// the fake clock implementation DCHECKS if time moves backwards. We therefore
// recreate the clock. However we must ensure that the old fake_clock is
// destroyed before the new one is created, so we have to reset() first.
fake_clock.reset();
fake_clock = absl::make_unique<rtc::ScopedFakeClock>();
fake_clock->SetTimeMicros(first_timestamp_us);
for (size_t i = 1; i < probe_success_events.size(); i++) {
fake_clock->AdvanceTimeMicros(10000);
verifier_.VerifyLoggedBweProbeSuccessEvent(
RtcEventProbeResultSuccess(first_id + i, first_bitrate_bps + i * 1000),
probe_success_events[i]);
}
}
INSTANTIATE_TEST_CASE_P(
RtcEventLogTest,
RtcEventLogCircularBufferTest,
::testing::Values(RtcEventLog::EncodingType::Legacy,
RtcEventLog::EncodingType::NewFormat));
// TODO(terelius): Verify parser behavior if the timestamps are not
// monotonically increasing in the log.
} // namespace webrtc