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webrtc/logging/rtc_event_log/rtc_event_log_unittest.cc
Tommi 093ce288fd Fix race in KeepsMostRecentEvents. 
The test may spawn threads that reference the global clock, so the
code that resets the fake clock, needs to run when those threads
have been stopped.

Bug: webrtc:13947
Change-Id: I1f7dc921b7a8ff8e7e89e03e4397e635b67d77be
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/258361
Reviewed-by: Björn Terelius <terelius@webrtc.org>
Commit-Queue: Tomas Gunnarsson <tommi@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36489}
2022-04-08 08:21:34 +00:00

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/*
* 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 "api/rtc_event_log/rtc_event_log.h"
#include <algorithm>
#include <limits>
#include <map>
#include <memory>
#include <string>
#include <tuple>
#include <utility>
#include <vector>
#include "api/rtc_event_log/rtc_event_log_factory.h"
#include "api/task_queue/default_task_queue_factory.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_generic_ack_received.h"
#include "logging/rtc_event_log/events/rtc_event_generic_packet_received.h"
#include "logging/rtc_event_log/events/rtc_event_generic_packet_sent.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/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/logging/memory_log_writer.h"
#include "test/testsupport/file_utils.h"
namespace webrtc {
namespace {
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 route_changes = 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 frame_decoded_events = 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 generic_packets_sent = 0;
size_t generic_packets_received = 0;
size_t generic_acks_received = 0;
size_t total_nonconfig_events() const {
return alr_states + route_changes + audio_playouts + ana_configs +
bwe_loss_events + bwe_delay_events + dtls_transport_states +
dtls_writable_states + frame_decoded_events + probe_creations +
probe_successes + probe_failures + ice_configs + ice_events +
incoming_rtp_packets + outgoing_rtp_packets + incoming_rtcp_packets +
outgoing_rtcp_packets + generic_packets_sent +
generic_packets_received + generic_acks_received;
}
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_),
log_storage_(),
log_output_factory_(log_storage_.CreateFactory()) {
clock_.SetTime(Timestamp::Micros(prng_.Rand<uint32_t>()));
// Find the name of the current test, in order to use it as a temporary
// filename.
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();
bool IsNewFormat() {
return encoding_type_ == RtcEventLog::EncodingType::NewFormat;
}
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<RtcEventBweUpdateDelayBased>> bwe_delay_list_;
std::vector<std::unique_ptr<RtcEventBweUpdateLossBased>> bwe_loss_list_;
std::vector<std::unique_ptr<RtcEventDtlsTransportState>>
dtls_transport_state_list_;
std::vector<std::unique_ptr<RtcEventDtlsWritableState>>
dtls_writable_state_list_;
std::map<uint32_t, std::vector<std::unique_ptr<RtcEventFrameDecoded>>>
frame_decoded_event_map_;
std::vector<std::unique_ptr<RtcEventGenericAckReceived>>
generic_acks_received_;
std::vector<std::unique_ptr<RtcEventGenericPacketReceived>>
generic_packets_received_;
std::vector<std::unique_ptr<RtcEventGenericPacketSent>> generic_packets_sent_;
std::vector<std::unique_ptr<RtcEventIceCandidatePair>> ice_event_list_;
std::vector<std::unique_ptr<RtcEventIceCandidatePairConfig>> ice_config_list_;
std::vector<std::unique_ptr<RtcEventProbeClusterCreated>>
probe_creation_list_;
std::vector<std::unique_ptr<RtcEventProbeResultFailure>> probe_failure_list_;
std::vector<std::unique_ptr<RtcEventProbeResultSuccess>> probe_success_list_;
std::vector<std::unique_ptr<RtcEventRouteChange>> route_change_list_;
std::vector<std::unique_ptr<RtcEventRemoteEstimate>> remote_estimate_list_;
std::vector<std::unique_ptr<RtcEventRtcpPacketIncoming>> incoming_rtcp_list_;
std::vector<std::unique_ptr<RtcEventRtcpPacketOutgoing>> outgoing_rtcp_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.
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_;
MemoryLogStorage log_storage_;
std::unique_ptr<LogWriterFactoryInterface> log_output_factory_;
};
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_.AdvanceTime(TimeDelta::Millis(prng_.Rand(20)));
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_.AdvanceTime(TimeDelta::Millis(prng_.Rand(20)));
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 =
ParsedRtcEventLog::GetDefaultHeaderExtensionMap();
clock_.AdvanceTime(TimeDelta::Millis(prng_.Rand(20)));
uint32_t ssrc = prng_.Rand<uint32_t>();
incoming_extensions_.emplace_back(ssrc, 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_.AdvanceTime(TimeDelta::Millis(prng_.Rand(20)));
do {
ssrc = prng_.Rand<uint32_t>();
} while (SsrcUsed(ssrc, incoming_extensions_));
RtpHeaderExtensionMap extensions = gen_.NewRtpHeaderExtensionMap();
incoming_extensions_.emplace_back(ssrc, extensions);
auto new_event = gen_.NewVideoReceiveStreamConfig(ssrc, extensions);
event_log->Log(new_event->Copy());
video_recv_config_list_.push_back(std::move(new_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 =
ParsedRtcEventLog::GetDefaultHeaderExtensionMap();
clock_.AdvanceTime(TimeDelta::Millis(prng_.Rand(20)));
uint32_t ssrc = prng_.Rand<uint32_t>();
outgoing_extensions_.emplace_back(ssrc, 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_.AdvanceTime(TimeDelta::Millis(prng_.Rand(20)));
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()?
auto task_queue_factory = CreateDefaultTaskQueueFactory();
RtcEventLogFactory rtc_event_log_factory(task_queue_factory.get());
// The log will be flushed to output when the event_log goes out of scope.
std::unique_ptr<RtcEventLog> event_log =
rtc_event_log_factory.CreateRtcEventLog(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_.AdvanceTime(TimeDelta::Millis(prng_.Rand(20)));
event_log->StartLogging(log_output_factory_->Create(temp_filename_),
output_period_ms_);
start_time_us_ = rtc::TimeMicros();
utc_start_time_us_ = rtc::TimeUTCMicros();
}
clock_.AdvanceTime(TimeDelta::Millis(prng_.Rand(20)));
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.route_changes) {
auto event = gen_.NewRouteChange();
event_log->Log(event->Copy());
route_change_list_.push_back(std::move(event));
count.route_changes--;
continue;
}
selection -= count.route_changes;
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.frame_decoded_events) {
size_t stream = prng_.Rand(incoming_extensions_.size() - 1);
// This might be an audio SSRC, but that won't affect the parser.
uint32_t ssrc = incoming_extensions_[stream].first;
auto event = gen_.NewFrameDecodedEvent(ssrc);
event_log->Log(event->Copy());
frame_decoded_event_map_[ssrc].push_back(std::move(event));
count.frame_decoded_events--;
continue;
}
selection -= count.frame_decoded_events;
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;
if (selection < count.generic_packets_sent) {
auto event = gen_.NewGenericPacketSent();
generic_packets_sent_.push_back(event->Copy());
event_log->Log(std::move(event));
count.generic_packets_sent--;
continue;
}
selection -= count.generic_packets_sent;
if (selection < count.generic_packets_received) {
auto event = gen_.NewGenericPacketReceived();
generic_packets_received_.push_back(event->Copy());
event_log->Log(std::move(event));
count.generic_packets_received--;
continue;
}
selection -= count.generic_packets_received;
if (selection < count.generic_acks_received) {
auto event = gen_.NewGenericAckReceived();
generic_acks_received_.push_back(event->Copy());
event_log->Log(std::move(event));
count.generic_acks_received--;
continue;
}
selection -= count.generic_acks_received;
RTC_DCHECK_NOTREACHED();
}
event_log->StopLogging();
stop_time_us_ = rtc::TimeMicros();
ASSERT_EQ(count.total_nonconfig_events(), static_cast<size_t>(0));
}
// Read the log 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 log from memory.
ParsedRtcEventLog parsed_log;
auto it = log_storage_.logs().find(temp_filename_);
ASSERT_TRUE(it != log_storage_.logs().end());
ASSERT_TRUE(parsed_log.ParseString(it->second).ok());
// 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]);
}
auto& parsed_route_change_events = parsed_log.route_change_events();
ASSERT_EQ(parsed_route_change_events.size(), route_change_list_.size());
for (size_t i = 0; i < parsed_route_change_events.size(); i++) {
verifier_.VerifyLoggedRouteChangeEvent(*route_change_list_[i],
parsed_route_change_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 < audio_playout_stream.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_dtls_transport_states = parsed_log.dtls_transport_states();
ASSERT_EQ(parsed_dtls_transport_states.size(),
dtls_transport_state_list_.size());
for (size_t i = 0; i < parsed_dtls_transport_states.size(); i++) {
verifier_.VerifyLoggedDtlsTransportState(*dtls_transport_state_list_[i],
parsed_dtls_transport_states[i]);
}
auto& parsed_dtls_writable_states = parsed_log.dtls_writable_states();
ASSERT_EQ(parsed_dtls_writable_states.size(),
dtls_writable_state_list_.size());
for (size_t i = 0; i < parsed_dtls_writable_states.size(); i++) {
verifier_.VerifyLoggedDtlsWritableState(*dtls_writable_state_list_[i],
parsed_dtls_writable_states[i]);
}
const auto& parsed_frame_decoded_map = parsed_log.decoded_frames();
ASSERT_EQ(parsed_frame_decoded_map.size(), frame_decoded_event_map_.size());
for (const auto& kv : parsed_frame_decoded_map) {
uint32_t ssrc = kv.first;
const auto& parsed_decoded_frames = kv.second;
const auto& decoded_frames = frame_decoded_event_map_[ssrc];
ASSERT_EQ(parsed_decoded_frames.size(), decoded_frames.size());
for (size_t i = 0; i < decoded_frames.size(); i++) {
verifier_.VerifyLoggedFrameDecoded(*decoded_frames[i],
parsed_decoded_frames[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]);
}
auto& parsed_generic_packets_received = parsed_log.generic_packets_received();
ASSERT_EQ(parsed_generic_packets_received.size(),
generic_packets_received_.size());
for (size_t i = 0; i < parsed_generic_packets_received.size(); i++) {
verifier_.VerifyLoggedGenericPacketReceived(
*generic_packets_received_[i], parsed_generic_packets_received[i]);
}
auto& parsed_generic_packets_sent = parsed_log.generic_packets_sent();
ASSERT_EQ(parsed_generic_packets_sent.size(), generic_packets_sent_.size());
for (size_t i = 0; i < parsed_generic_packets_sent.size(); i++) {
verifier_.VerifyLoggedGenericPacketSent(*generic_packets_sent_[i],
parsed_generic_packets_sent[i]);
}
auto& parsed_generic_acks_received = parsed_log.generic_acks_received();
ASSERT_EQ(parsed_generic_acks_received.size(), generic_acks_received_.size());
for (size_t i = 0; i < parsed_generic_acks_received.size(); i++) {
verifier_.VerifyLoggedGenericAckReceived(*generic_acks_received_[i],
parsed_generic_acks_received[i]);
}
EXPECT_EQ(first_timestamp_ms_, parsed_log.first_timestamp().ms());
EXPECT_EQ(last_timestamp_ms_, parsed_log.last_timestamp().ms());
EXPECT_EQ(parsed_log.first_log_segment().start_time_ms(),
std::min(start_time_us_ / 1000, first_timestamp_ms_));
EXPECT_EQ(parsed_log.first_log_segment().stop_time_ms(),
stop_time_us_ / 1000);
}
} // 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.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;
if (IsNewFormat()) {
count.dtls_transport_states = 4;
count.dtls_writable_states = 2;
count.frame_decoded_events = 50;
count.generic_packets_sent = 100;
count.generic_packets_received = 100;
count.generic_acks_received = 20;
count.route_changes = 4;
}
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.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;
if (IsNewFormat()) {
count.dtls_transport_states = 4;
count.dtls_writable_states = 5;
count.frame_decoded_events = 250;
count.generic_packets_sent = 500;
count.generic_packets_received = 500;
count.generic_acks_received = 50;
count.route_changes = 10;
}
WriteLog(count, 500);
ReadAndVerifyLog();
}
INSTANTIATE_TEST_SUITE_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_),
log_storage_(),
log_output_factory_(log_storage_.CreateFactory()) {}
const RtcEventLog::EncodingType encoding_type_;
const test::EventVerifier verifier_;
MemoryLogStorage log_storage_;
std::unique_ptr<LogWriterFactoryInterface> log_output_factory_;
};
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 kStartTimeSeconds = 1;
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 =
std::make_unique<rtc::ScopedFakeClock>();
fake_clock->SetTime(Timestamp::Seconds(kStartTimeSeconds));
// Create a scope for the TQ and event log factories.
// This way, we make sure that task queue instances that may rely on a clock
// have been torn down before we run the verification steps at the end of
// the test.
int64_t start_time_us, utc_start_time_us, stop_time_us;
{
auto task_queue_factory = CreateDefaultTaskQueueFactory();
RtcEventLogFactory rtc_event_log_factory(task_queue_factory.get());
// When `log` goes out of scope, the contents are flushed
// to the output.
std::unique_ptr<RtcEventLog> log =
rtc_event_log_factory.CreateRtcEventLog(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->Log(std::make_unique<RtcEventProbeResultSuccess>(
i, kStartBitrate + i * 1000));
fake_clock->AdvanceTime(TimeDelta::Millis(10));
}
start_time_us = rtc::TimeMicros();
utc_start_time_us = rtc::TimeUTCMicros();
log->StartLogging(log_output_factory_->Create(temp_filename),
RtcEventLog::kImmediateOutput);
fake_clock->AdvanceTime(TimeDelta::Millis(10));
stop_time_us = rtc::TimeMicros();
log->StopLogging();
}
// Read the generated log from memory.
ParsedRtcEventLog parsed_log;
auto it = log_storage_.logs().find(temp_filename);
ASSERT_TRUE(it != log_storage_.logs().end());
ASSERT_TRUE(parsed_log.ParseString(it->second).ok());
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_ms = probe_success_events[0].timestamp.ms();
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 = std::make_unique<rtc::ScopedFakeClock>();
fake_clock->SetTime(Timestamp::Millis(first_timestamp_ms));
for (size_t i = 1; i < probe_success_events.size(); i++) {
fake_clock->AdvanceTime(TimeDelta::Millis(10));
verifier_.VerifyLoggedBweProbeSuccessEvent(
RtcEventProbeResultSuccess(first_id + i, first_bitrate_bps + i * 1000),
probe_success_events[i]);
}
}
INSTANTIATE_TEST_SUITE_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.
TEST(DereferencingVectorTest, NonConstVector) {
std::vector<int> v{0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
DereferencingVector<int> even;
EXPECT_TRUE(even.empty());
EXPECT_EQ(even.size(), 0u);
EXPECT_EQ(even.begin(), even.end());
for (size_t i = 0; i < v.size(); i += 2) {
even.push_back(&v[i]);
}
EXPECT_FALSE(even.empty());
EXPECT_EQ(even.size(), 5u);
EXPECT_NE(even.begin(), even.end());
// Test direct access.
for (size_t i = 0; i < even.size(); i++) {
EXPECT_EQ(even[i], 2 * static_cast<int>(i));
}
// Test iterator.
for (int val : even) {
EXPECT_EQ(val % 2, 0);
}
// Test modification through iterator.
for (int& val : even) {
val = val * 2;
EXPECT_EQ(val % 2, 0);
}
// Backing vector should have been modified.
std::vector<int> expected{0, 1, 4, 3, 8, 5, 12, 7, 16, 9};
for (size_t i = 0; i < v.size(); i++) {
EXPECT_EQ(v[i], expected[i]);
}
}
TEST(DereferencingVectorTest, ConstVector) {
std::vector<int> v{0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
DereferencingVector<const int> odd;
EXPECT_TRUE(odd.empty());
EXPECT_EQ(odd.size(), 0u);
EXPECT_EQ(odd.begin(), odd.end());
for (size_t i = 1; i < v.size(); i += 2) {
odd.push_back(&v[i]);
}
EXPECT_FALSE(odd.empty());
EXPECT_EQ(odd.size(), 5u);
EXPECT_NE(odd.begin(), odd.end());
// Test direct access.
for (size_t i = 0; i < odd.size(); i++) {
EXPECT_EQ(odd[i], 2 * static_cast<int>(i) + 1);
}
// Test iterator.
for (int val : odd) {
EXPECT_EQ(val % 2, 1);
}
}
} // namespace webrtc
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