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hbosdb346a72016-11-29 01:57:01 -08001/*
2 * Copyright 2016 The WebRTC project authors. All Rights Reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
Yves Gerey3e707812018-11-28 16:47:49 +010011#include <stdint.h>
12#include <string.h>
Jonas Olssona4d87372019-07-05 19:08:33 +020013
Yves Gerey3e707812018-11-28 16:47:49 +010014#include <memory>
hbosdb346a72016-11-29 01:57:01 -080015#include <set>
Yves Gerey3e707812018-11-28 16:47:49 +010016#include <string>
hbosdb346a72016-11-29 01:57:01 -080017#include <vector>
18
Steve Anton64b626b2019-01-28 17:25:26 -080019#include "absl/algorithm/container.h"
Steve Anton68586e82018-12-13 17:41:25 -080020#include "absl/strings/match.h"
Mirko Bonadei92ea95e2017-09-15 06:47:31 +020021#include "api/audio_codecs/builtin_audio_decoder_factory.h"
22#include "api/audio_codecs/builtin_audio_encoder_factory.h"
Yves Gerey3e707812018-11-28 16:47:49 +010023#include "api/audio_options.h"
Steve Anton10542f22019-01-11 09:11:00 -080024#include "api/data_channel_interface.h"
25#include "api/peer_connection_interface.h"
26#include "api/rtp_receiver_interface.h"
27#include "api/rtp_sender_interface.h"
Mirko Bonadeid9708072019-01-25 20:26:48 +010028#include "api/scoped_refptr.h"
Steve Anton10542f22019-01-11 09:11:00 -080029#include "api/stats/rtc_stats.h"
30#include "api/stats/rtc_stats_report.h"
Mirko Bonadei92ea95e2017-09-15 06:47:31 +020031#include "api/stats/rtcstats_objects.h"
Steve Anton10542f22019-01-11 09:11:00 -080032#include "pc/rtc_stats_traversal.h"
33#include "pc/test/peer_connection_test_wrapper.h"
34#include "pc/test/rtc_stats_obtainer.h"
Mirko Bonadei92ea95e2017-09-15 06:47:31 +020035#include "rtc_base/checks.h"
36#include "rtc_base/event_tracer.h"
37#include "rtc_base/gunit.h"
Yves Gerey3e707812018-11-28 16:47:49 +010038#include "rtc_base/thread.h"
Mirko Bonadei92ea95e2017-09-15 06:47:31 +020039#include "rtc_base/trace_event.h"
Steve Anton10542f22019-01-11 09:11:00 -080040#include "rtc_base/virtual_socket_server.h"
Steve Anton64b626b2019-01-28 17:25:26 -080041#include "test/gmock.h"
Yves Gerey3e707812018-11-28 16:47:49 +010042#include "test/gtest.h"
hbosdb346a72016-11-29 01:57:01 -080043
Steve Anton64b626b2019-01-28 17:25:26 -080044using ::testing::Contains;
45
hbosdb346a72016-11-29 01:57:01 -080046namespace webrtc {
47
48namespace {
49
50const int64_t kGetStatsTimeoutMs = 10000;
51
ehmaldonado80c829f2017-07-18 07:35:19 -070052const unsigned char* GetCategoryEnabledHandler(const char* name) {
ehmaldonado8ab0fd82017-09-04 14:35:04 -070053 if (strcmp("webrtc_stats", name) != 0) {
54 return reinterpret_cast<const unsigned char*>("");
55 }
56 return reinterpret_cast<const unsigned char*>(name);
ehmaldonado80c829f2017-07-18 07:35:19 -070057}
58
ehmaldonado8ab0fd82017-09-04 14:35:04 -070059class RTCStatsReportTraceListener {
60 public:
61 static void SetUp() {
62 if (!traced_report_)
63 traced_report_ = new RTCStatsReportTraceListener();
64 traced_report_->last_trace_ = "";
65 SetupEventTracer(&GetCategoryEnabledHandler,
66 &RTCStatsReportTraceListener::AddTraceEventHandler);
67 }
68
69 static const std::string& last_trace() {
70 RTC_DCHECK(traced_report_);
71 return traced_report_->last_trace_;
72 }
73
74 private:
Steve Anton36b29d12017-10-30 09:57:42 -070075 static void AddTraceEventHandler(
76 char phase,
77 const unsigned char* category_enabled,
78 const char* name,
79 unsigned long long id, // NOLINT(runtime/int)
80 int num_args,
81 const char** arg_names,
82 const unsigned char* arg_types,
83 const unsigned long long* arg_values, // NOLINT(runtime/int)
84 unsigned char flags) {
ehmaldonado8ab0fd82017-09-04 14:35:04 -070085 RTC_DCHECK(traced_report_);
86 EXPECT_STREQ("webrtc_stats",
87 reinterpret_cast<const char*>(category_enabled));
88 EXPECT_STREQ("webrtc_stats", name);
89 EXPECT_EQ(1, num_args);
90 EXPECT_STREQ("report", arg_names[0]);
91 EXPECT_EQ(TRACE_VALUE_TYPE_COPY_STRING, arg_types[0]);
92
93 traced_report_->last_trace_ = reinterpret_cast<const char*>(arg_values[0]);
94 }
95
96 static RTCStatsReportTraceListener* traced_report_;
97 std::string last_trace_;
98};
99
100RTCStatsReportTraceListener* RTCStatsReportTraceListener::traced_report_ =
101 nullptr;
ehmaldonado80c829f2017-07-18 07:35:19 -0700102
Mirko Bonadei6a489f22019-04-09 15:11:12 +0200103class RTCStatsIntegrationTest : public ::testing::Test {
hbosdb346a72016-11-29 01:57:01 -0800104 public:
105 RTCStatsIntegrationTest()
tommie7251592017-07-14 14:44:46 -0700106 : network_thread_(new rtc::Thread(&virtual_socket_server_)),
107 worker_thread_(rtc::Thread::Create()) {
ehmaldonado8ab0fd82017-09-04 14:35:04 -0700108 RTCStatsReportTraceListener::SetUp();
ehmaldonado80c829f2017-07-18 07:35:19 -0700109
tommie7251592017-07-14 14:44:46 -0700110 RTC_CHECK(network_thread_->Start());
111 RTC_CHECK(worker_thread_->Start());
hbosdb346a72016-11-29 01:57:01 -0800112
Tommi87f70902021-04-27 14:43:08 +0200113 caller_ = rtc::make_ref_counted<PeerConnectionTestWrapper>(
tommie7251592017-07-14 14:44:46 -0700114 "caller", network_thread_.get(), worker_thread_.get());
Tommi87f70902021-04-27 14:43:08 +0200115 callee_ = rtc::make_ref_counted<PeerConnectionTestWrapper>(
tommie7251592017-07-14 14:44:46 -0700116 "callee", network_thread_.get(), worker_thread_.get());
hbosdb346a72016-11-29 01:57:01 -0800117 }
118
119 void StartCall() {
120 // Create PeerConnections and "connect" sigslots
121 PeerConnectionInterface::RTCConfiguration config;
Henrik Boström62995db2022-01-03 09:58:10 +0100122 config.sdp_semantics = SdpSemantics::kUnifiedPlan;
hbosdb346a72016-11-29 01:57:01 -0800123 PeerConnectionInterface::IceServer ice_server;
124 ice_server.uri = "stun:1.1.1.1:3478";
125 config.servers.push_back(ice_server);
Niels Möllerf06f9232018-08-07 12:32:18 +0200126 EXPECT_TRUE(caller_->CreatePc(config, CreateBuiltinAudioEncoderFactory(),
kwiberg9e5b11e2017-04-19 03:47:57 -0700127 CreateBuiltinAudioDecoderFactory()));
Niels Möllerf06f9232018-08-07 12:32:18 +0200128 EXPECT_TRUE(callee_->CreatePc(config, CreateBuiltinAudioEncoderFactory(),
kwiberg9e5b11e2017-04-19 03:47:57 -0700129 CreateBuiltinAudioDecoderFactory()));
hbosdb346a72016-11-29 01:57:01 -0800130 PeerConnectionTestWrapper::Connect(caller_.get(), callee_.get());
131
132 // Get user media for audio and video
Niels Möller5c4ddad2019-02-12 12:30:58 +0100133 caller_->GetAndAddUserMedia(true, cricket::AudioOptions(), true);
134 callee_->GetAndAddUserMedia(true, cricket::AudioOptions(), true);
hbosdb346a72016-11-29 01:57:01 -0800135
136 // Create data channels
137 DataChannelInit init;
138 caller_->CreateDataChannel("data", init);
139 callee_->CreateDataChannel("data", init);
140
141 // Negotiate and wait for call to establish
Niels Möllerf06f9232018-08-07 12:32:18 +0200142 caller_->CreateOffer(PeerConnectionInterface::RTCOfferAnswerOptions());
hbosdb346a72016-11-29 01:57:01 -0800143 caller_->WaitForCallEstablished();
144 callee_->WaitForCallEstablished();
145 }
146
147 rtc::scoped_refptr<const RTCStatsReport> GetStatsFromCaller() {
148 return GetStats(caller_->pc());
149 }
Henrik Boström1df1bf82018-03-20 13:24:20 +0100150 rtc::scoped_refptr<const RTCStatsReport> GetStatsFromCaller(
151 rtc::scoped_refptr<RtpSenderInterface> selector) {
152 return GetStats(caller_->pc(), selector);
153 }
154 rtc::scoped_refptr<const RTCStatsReport> GetStatsFromCaller(
155 rtc::scoped_refptr<RtpReceiverInterface> selector) {
156 return GetStats(caller_->pc(), selector);
157 }
hbosdb346a72016-11-29 01:57:01 -0800158
159 rtc::scoped_refptr<const RTCStatsReport> GetStatsFromCallee() {
160 return GetStats(callee_->pc());
161 }
Henrik Boström1df1bf82018-03-20 13:24:20 +0100162 rtc::scoped_refptr<const RTCStatsReport> GetStatsFromCallee(
163 rtc::scoped_refptr<RtpSenderInterface> selector) {
164 return GetStats(callee_->pc(), selector);
165 }
166 rtc::scoped_refptr<const RTCStatsReport> GetStatsFromCallee(
167 rtc::scoped_refptr<RtpReceiverInterface> selector) {
168 return GetStats(callee_->pc(), selector);
169 }
hbosdb346a72016-11-29 01:57:01 -0800170
171 protected:
172 static rtc::scoped_refptr<const RTCStatsReport> GetStats(
173 PeerConnectionInterface* pc) {
174 rtc::scoped_refptr<RTCStatsObtainer> stats_obtainer =
175 RTCStatsObtainer::Create();
Niels Möllerafb246b2022-04-20 14:26:50 +0200176 pc->GetStats(stats_obtainer.get());
177 EXPECT_TRUE_WAIT(stats_obtainer->report() != nullptr, kGetStatsTimeoutMs);
hbosdb346a72016-11-29 01:57:01 -0800178 return stats_obtainer->report();
179 }
180
Henrik Boström1df1bf82018-03-20 13:24:20 +0100181 template <typename T>
182 static rtc::scoped_refptr<const RTCStatsReport> GetStats(
183 PeerConnectionInterface* pc,
184 rtc::scoped_refptr<T> selector) {
185 rtc::scoped_refptr<RTCStatsObtainer> stats_obtainer =
186 RTCStatsObtainer::Create();
187 pc->GetStats(selector, stats_obtainer);
Niels Möllerafb246b2022-04-20 14:26:50 +0200188 EXPECT_TRUE_WAIT(stats_obtainer->report() != nullptr, kGetStatsTimeoutMs);
Henrik Boström1df1bf82018-03-20 13:24:20 +0100189 return stats_obtainer->report();
190 }
191
Artem Titov880fa812021-07-30 22:30:23 +0200192 // `network_thread_` uses `virtual_socket_server_` so they must be
deadbeef98e186c2017-05-16 18:00:06 -0700193 // constructed/destructed in the correct order.
hbosdb346a72016-11-29 01:57:01 -0800194 rtc::VirtualSocketServer virtual_socket_server_;
tommie7251592017-07-14 14:44:46 -0700195 std::unique_ptr<rtc::Thread> network_thread_;
196 std::unique_ptr<rtc::Thread> worker_thread_;
hbosdb346a72016-11-29 01:57:01 -0800197 rtc::scoped_refptr<PeerConnectionTestWrapper> caller_;
198 rtc::scoped_refptr<PeerConnectionTestWrapper> callee_;
199};
200
201class RTCStatsVerifier {
202 public:
203 RTCStatsVerifier(const RTCStatsReport* report, const RTCStats* stats)
204 : report_(report), stats_(stats), all_tests_successful_(true) {
205 RTC_CHECK(report_);
206 RTC_CHECK(stats_);
207 for (const RTCStatsMemberInterface* member : stats_->Members()) {
208 untested_members_.insert(member);
209 }
210 }
211
Yves Gerey665174f2018-06-19 15:03:05 +0200212 void MarkMemberTested(const RTCStatsMemberInterface& member,
213 bool test_successful) {
hbosdb346a72016-11-29 01:57:01 -0800214 untested_members_.erase(&member);
215 all_tests_successful_ &= test_successful;
216 }
217
218 void TestMemberIsDefined(const RTCStatsMemberInterface& member) {
Yves Gerey665174f2018-06-19 15:03:05 +0200219 EXPECT_TRUE(member.is_defined())
220 << stats_->type() << "." << member.name() << "[" << stats_->id()
221 << "] was undefined.";
hbosdb346a72016-11-29 01:57:01 -0800222 MarkMemberTested(member, member.is_defined());
223 }
224
225 void TestMemberIsUndefined(const RTCStatsMemberInterface& member) {
Yves Gerey665174f2018-06-19 15:03:05 +0200226 EXPECT_FALSE(member.is_defined())
227 << stats_->type() << "." << member.name() << "[" << stats_->id()
228 << "] was defined (" << member.ValueToString() << ").";
hbosdb346a72016-11-29 01:57:01 -0800229 MarkMemberTested(member, !member.is_defined());
230 }
231
Yves Gerey665174f2018-06-19 15:03:05 +0200232 template <typename T>
hbos23351192017-01-02 06:52:19 -0800233 void TestMemberIsPositive(const RTCStatsMemberInterface& member) {
Yves Gerey665174f2018-06-19 15:03:05 +0200234 EXPECT_TRUE(member.is_defined())
235 << stats_->type() << "." << member.name() << "[" << stats_->id()
236 << "] was undefined.";
hbos23351192017-01-02 06:52:19 -0800237 if (!member.is_defined()) {
238 MarkMemberTested(member, false);
239 return;
240 }
241 bool is_positive = *member.cast_to<RTCStatsMember<T>>() > T(0);
Yves Gerey665174f2018-06-19 15:03:05 +0200242 EXPECT_TRUE(is_positive)
243 << stats_->type() << "." << member.name() << "[" << stats_->id()
244 << "] was not positive (" << member.ValueToString() << ").";
hbos23351192017-01-02 06:52:19 -0800245 MarkMemberTested(member, is_positive);
246 }
247
Yves Gerey665174f2018-06-19 15:03:05 +0200248 template <typename T>
hbos23351192017-01-02 06:52:19 -0800249 void TestMemberIsNonNegative(const RTCStatsMemberInterface& member) {
Yves Gerey665174f2018-06-19 15:03:05 +0200250 EXPECT_TRUE(member.is_defined())
251 << stats_->type() << "." << member.name() << "[" << stats_->id()
252 << "] was undefined.";
hbos23351192017-01-02 06:52:19 -0800253 if (!member.is_defined()) {
254 MarkMemberTested(member, false);
255 return;
256 }
257 bool is_non_negative = *member.cast_to<RTCStatsMember<T>>() >= T(0);
Yves Gerey665174f2018-06-19 15:03:05 +0200258 EXPECT_TRUE(is_non_negative)
259 << stats_->type() << "." << member.name() << "[" << stats_->id()
260 << "] was not non-negative (" << member.ValueToString() << ").";
hbos23351192017-01-02 06:52:19 -0800261 MarkMemberTested(member, is_non_negative);
262 }
263
Yves Gerey665174f2018-06-19 15:03:05 +0200264 void TestMemberIsIDReference(const RTCStatsMemberInterface& member,
265 const char* expected_type) {
hbosdb346a72016-11-29 01:57:01 -0800266 TestMemberIsIDReference(member, expected_type, false);
267 }
268
Yves Gerey665174f2018-06-19 15:03:05 +0200269 void TestMemberIsOptionalIDReference(const RTCStatsMemberInterface& member,
270 const char* expected_type) {
hbosdb346a72016-11-29 01:57:01 -0800271 TestMemberIsIDReference(member, expected_type, true);
272 }
273
274 bool ExpectAllMembersSuccessfullyTested() {
275 if (untested_members_.empty())
276 return all_tests_successful_;
277 for (const RTCStatsMemberInterface* member : untested_members_) {
Yves Gerey665174f2018-06-19 15:03:05 +0200278 EXPECT_TRUE(false) << stats_->type() << "." << member->name() << "["
279 << stats_->id() << "] was not tested.";
hbosdb346a72016-11-29 01:57:01 -0800280 }
281 return false;
282 }
283
284 private:
Yves Gerey665174f2018-06-19 15:03:05 +0200285 void TestMemberIsIDReference(const RTCStatsMemberInterface& member,
286 const char* expected_type,
287 bool optional) {
hbosdb346a72016-11-29 01:57:01 -0800288 if (optional && !member.is_defined()) {
289 MarkMemberTested(member, true);
290 return;
291 }
292 bool valid_reference = false;
293 if (member.is_defined()) {
294 if (member.type() == RTCStatsMemberInterface::kString) {
295 // A single ID.
296 const RTCStatsMember<std::string>& id =
297 member.cast_to<RTCStatsMember<std::string>>();
298 const RTCStats* referenced_stats = report_->Get(*id);
299 valid_reference =
300 referenced_stats && referenced_stats->type() == expected_type;
301 } else if (member.type() == RTCStatsMemberInterface::kSequenceString) {
302 // A vector of IDs.
303 valid_reference = true;
304 const RTCStatsMember<std::vector<std::string>>& ids =
305 member.cast_to<RTCStatsMember<std::vector<std::string>>>();
Mirko Bonadeic61ce0d2017-11-21 17:04:20 +0100306 for (const std::string& id : *ids) {
hbosdb346a72016-11-29 01:57:01 -0800307 const RTCStats* referenced_stats = report_->Get(id);
308 if (!referenced_stats || referenced_stats->type() != expected_type) {
309 valid_reference = false;
310 break;
311 }
312 }
313 }
314 }
Yves Gerey665174f2018-06-19 15:03:05 +0200315 EXPECT_TRUE(valid_reference)
316 << stats_->type() << "." << member.name()
317 << " is not a reference to an "
Jonas Olssonb2b20312020-01-14 12:11:31 +0100318 "existing dictionary of type "
319 << expected_type << " (value: "
Henrik Boström646fda02019-05-22 15:49:42 +0200320 << (member.is_defined() ? member.ValueToString() : "null") << ").";
hbosdb346a72016-11-29 01:57:01 -0800321 MarkMemberTested(member, valid_reference);
322 }
323
324 rtc::scoped_refptr<const RTCStatsReport> report_;
325 const RTCStats* stats_;
326 std::set<const RTCStatsMemberInterface*> untested_members_;
327 bool all_tests_successful_;
328};
329
330class RTCStatsReportVerifier {
331 public:
332 static std::set<const char*> StatsTypes() {
333 std::set<const char*> stats_types;
334 stats_types.insert(RTCCertificateStats::kType);
335 stats_types.insert(RTCCodecStats::kType);
336 stats_types.insert(RTCDataChannelStats::kType);
337 stats_types.insert(RTCIceCandidatePairStats::kType);
338 stats_types.insert(RTCLocalIceCandidateStats::kType);
339 stats_types.insert(RTCRemoteIceCandidateStats::kType);
340 stats_types.insert(RTCMediaStreamStats::kType);
341 stats_types.insert(RTCMediaStreamTrackStats::kType);
342 stats_types.insert(RTCPeerConnectionStats::kType);
343 stats_types.insert(RTCInboundRTPStreamStats::kType);
344 stats_types.insert(RTCOutboundRTPStreamStats::kType);
345 stats_types.insert(RTCTransportStats::kType);
346 return stats_types;
347 }
348
349 explicit RTCStatsReportVerifier(const RTCStatsReport* report)
Yves Gerey665174f2018-06-19 15:03:05 +0200350 : report_(report) {}
hbosdb346a72016-11-29 01:57:01 -0800351
Eldar Rello9276e2c2020-06-10 17:53:39 +0300352 void VerifyReport(std::vector<const char*> allowed_missing_stats) {
hbosdb346a72016-11-29 01:57:01 -0800353 std::set<const char*> missing_stats = StatsTypes();
354 bool verify_successful = true;
hbos338f78a2017-02-07 06:41:21 -0800355 std::vector<const RTCTransportStats*> transport_stats =
356 report_->GetStatsOfType<RTCTransportStats>();
Mirko Bonadeie12c1fe2018-07-03 12:53:23 +0200357 EXPECT_EQ(transport_stats.size(), 1U);
hbos338f78a2017-02-07 06:41:21 -0800358 std::string selected_candidate_pair_id =
359 *transport_stats[0]->selected_candidate_pair_id;
hbosdb346a72016-11-29 01:57:01 -0800360 for (const RTCStats& stats : *report_) {
361 missing_stats.erase(stats.type());
362 if (stats.type() == RTCCertificateStats::kType) {
Yves Gerey665174f2018-06-19 15:03:05 +0200363 verify_successful &=
364 VerifyRTCCertificateStats(stats.cast_to<RTCCertificateStats>());
hbosdb346a72016-11-29 01:57:01 -0800365 } else if (stats.type() == RTCCodecStats::kType) {
Yves Gerey665174f2018-06-19 15:03:05 +0200366 verify_successful &=
367 VerifyRTCCodecStats(stats.cast_to<RTCCodecStats>());
hbosdb346a72016-11-29 01:57:01 -0800368 } else if (stats.type() == RTCDataChannelStats::kType) {
Yves Gerey665174f2018-06-19 15:03:05 +0200369 verify_successful &=
370 VerifyRTCDataChannelStats(stats.cast_to<RTCDataChannelStats>());
hbosdb346a72016-11-29 01:57:01 -0800371 } else if (stats.type() == RTCIceCandidatePairStats::kType) {
372 verify_successful &= VerifyRTCIceCandidatePairStats(
hbos338f78a2017-02-07 06:41:21 -0800373 stats.cast_to<RTCIceCandidatePairStats>(),
374 stats.id() == selected_candidate_pair_id);
hbosdb346a72016-11-29 01:57:01 -0800375 } else if (stats.type() == RTCLocalIceCandidateStats::kType) {
376 verify_successful &= VerifyRTCLocalIceCandidateStats(
377 stats.cast_to<RTCLocalIceCandidateStats>());
378 } else if (stats.type() == RTCRemoteIceCandidateStats::kType) {
379 verify_successful &= VerifyRTCRemoteIceCandidateStats(
380 stats.cast_to<RTCRemoteIceCandidateStats>());
381 } else if (stats.type() == RTCMediaStreamStats::kType) {
Yves Gerey665174f2018-06-19 15:03:05 +0200382 verify_successful &=
383 VerifyRTCMediaStreamStats(stats.cast_to<RTCMediaStreamStats>());
hbosdb346a72016-11-29 01:57:01 -0800384 } else if (stats.type() == RTCMediaStreamTrackStats::kType) {
385 verify_successful &= VerifyRTCMediaStreamTrackStats(
386 stats.cast_to<RTCMediaStreamTrackStats>());
387 } else if (stats.type() == RTCPeerConnectionStats::kType) {
388 verify_successful &= VerifyRTCPeerConnectionStats(
389 stats.cast_to<RTCPeerConnectionStats>());
390 } else if (stats.type() == RTCInboundRTPStreamStats::kType) {
391 verify_successful &= VerifyRTCInboundRTPStreamStats(
392 stats.cast_to<RTCInboundRTPStreamStats>());
393 } else if (stats.type() == RTCOutboundRTPStreamStats::kType) {
394 verify_successful &= VerifyRTCOutboundRTPStreamStats(
Eldar Rello9276e2c2020-06-10 17:53:39 +0300395 stats.cast_to<RTCOutboundRTPStreamStats>());
Henrik Boström883eefc2019-05-27 13:40:25 +0200396 } else if (stats.type() == RTCRemoteInboundRtpStreamStats::kType) {
397 verify_successful &= VerifyRTCRemoteInboundRtpStreamStats(
398 stats.cast_to<RTCRemoteInboundRtpStreamStats>());
Alessio Bazzicaf7b1b952021-03-23 17:23:04 +0100399 } else if (stats.type() == RTCRemoteOutboundRtpStreamStats::kType) {
400 verify_successful &= VerifyRTCRemoteOutboundRTPStreamStats(
401 stats.cast_to<RTCRemoteOutboundRtpStreamStats>());
Henrik Boström646fda02019-05-22 15:49:42 +0200402 } else if (stats.type() == RTCAudioSourceStats::kType) {
403 // RTCAudioSourceStats::kType and RTCVideoSourceStats::kType both have
404 // the value "media-source", but they are distinguishable with pointer
Artem Titov880fa812021-07-30 22:30:23 +0200405 // equality (==). In JavaScript they would be distinguished with `kind`.
Henrik Boström646fda02019-05-22 15:49:42 +0200406 verify_successful &=
407 VerifyRTCAudioSourceStats(stats.cast_to<RTCAudioSourceStats>());
408 } else if (stats.type() == RTCVideoSourceStats::kType) {
409 // RTCAudioSourceStats::kType and RTCVideoSourceStats::kType both have
410 // the value "media-source", but they are distinguishable with pointer
Artem Titov880fa812021-07-30 22:30:23 +0200411 // equality (==). In JavaScript they would be distinguished with `kind`.
Henrik Boström646fda02019-05-22 15:49:42 +0200412 verify_successful &=
413 VerifyRTCVideoSourceStats(stats.cast_to<RTCVideoSourceStats>());
hbosdb346a72016-11-29 01:57:01 -0800414 } else if (stats.type() == RTCTransportStats::kType) {
Yves Gerey665174f2018-06-19 15:03:05 +0200415 verify_successful &=
416 VerifyRTCTransportStats(stats.cast_to<RTCTransportStats>());
hbosdb346a72016-11-29 01:57:01 -0800417 } else {
418 EXPECT_TRUE(false) << "Unrecognized stats type: " << stats.type();
419 verify_successful = false;
420 }
421 }
Henrik Boström1df1bf82018-03-20 13:24:20 +0100422 for (const char* missing : missing_stats) {
Steve Anton64b626b2019-01-28 17:25:26 -0800423 if (!absl::c_linear_search(allowed_missing_stats, missing)) {
Henrik Boström1df1bf82018-03-20 13:24:20 +0100424 verify_successful = false;
hbosdb346a72016-11-29 01:57:01 -0800425 EXPECT_TRUE(false) << "Missing expected stats type: " << missing;
426 }
427 }
Yves Gerey665174f2018-06-19 15:03:05 +0200428 EXPECT_TRUE(verify_successful)
429 << "One or more problems with the stats. This is the report:\n"
430 << report_->ToJson();
hbosdb346a72016-11-29 01:57:01 -0800431 }
432
Yves Gerey665174f2018-06-19 15:03:05 +0200433 bool VerifyRTCCertificateStats(const RTCCertificateStats& certificate) {
Niels Möllerafb246b2022-04-20 14:26:50 +0200434 RTCStatsVerifier verifier(report_.get(), &certificate);
hbosdb346a72016-11-29 01:57:01 -0800435 verifier.TestMemberIsDefined(certificate.fingerprint);
436 verifier.TestMemberIsDefined(certificate.fingerprint_algorithm);
437 verifier.TestMemberIsDefined(certificate.base64_certificate);
Yves Gerey665174f2018-06-19 15:03:05 +0200438 verifier.TestMemberIsOptionalIDReference(certificate.issuer_certificate_id,
439 RTCCertificateStats::kType);
hbosdb346a72016-11-29 01:57:01 -0800440 return verifier.ExpectAllMembersSuccessfullyTested();
441 }
442
Yves Gerey665174f2018-06-19 15:03:05 +0200443 bool VerifyRTCCodecStats(const RTCCodecStats& codec) {
Niels Möllerafb246b2022-04-20 14:26:50 +0200444 RTCStatsVerifier verifier(report_.get(), &codec);
Philipp Hancke95157a02020-11-16 20:08:27 +0100445 verifier.TestMemberIsIDReference(codec.transport_id,
446 RTCTransportStats::kType);
hbosdb346a72016-11-29 01:57:01 -0800447 verifier.TestMemberIsDefined(codec.payload_type);
hbos13f54b22017-02-28 06:56:04 -0800448 verifier.TestMemberIsDefined(codec.mime_type);
hbos23351192017-01-02 06:52:19 -0800449 verifier.TestMemberIsPositive<uint32_t>(codec.clock_rate);
Johannes Kron72d69152020-02-10 14:05:55 +0100450
451 if (codec.mime_type->rfind("audio", 0) == 0)
452 verifier.TestMemberIsPositive<uint32_t>(codec.channels);
453 else
454 verifier.TestMemberIsUndefined(codec.channels);
455
456 // sdp_fmtp_line is an optional field.
457 verifier.MarkMemberTested(codec.sdp_fmtp_line, true);
hbosdb346a72016-11-29 01:57:01 -0800458 return verifier.ExpectAllMembersSuccessfullyTested();
459 }
460
Yves Gerey665174f2018-06-19 15:03:05 +0200461 bool VerifyRTCDataChannelStats(const RTCDataChannelStats& data_channel) {
Niels Möllerafb246b2022-04-20 14:26:50 +0200462 RTCStatsVerifier verifier(report_.get(), &data_channel);
hbosdb346a72016-11-29 01:57:01 -0800463 verifier.TestMemberIsDefined(data_channel.label);
464 verifier.TestMemberIsDefined(data_channel.protocol);
Harald Alvestrand10ef8472020-06-05 15:38:51 +0200465 verifier.TestMemberIsDefined(data_channel.data_channel_identifier);
hbosdb346a72016-11-29 01:57:01 -0800466 verifier.TestMemberIsDefined(data_channel.state);
hbos23351192017-01-02 06:52:19 -0800467 verifier.TestMemberIsNonNegative<uint32_t>(data_channel.messages_sent);
468 verifier.TestMemberIsNonNegative<uint64_t>(data_channel.bytes_sent);
469 verifier.TestMemberIsNonNegative<uint32_t>(data_channel.messages_received);
470 verifier.TestMemberIsNonNegative<uint64_t>(data_channel.bytes_received);
hbosdb346a72016-11-29 01:57:01 -0800471 return verifier.ExpectAllMembersSuccessfullyTested();
472 }
473
474 bool VerifyRTCIceCandidatePairStats(
Yves Gerey665174f2018-06-19 15:03:05 +0200475 const RTCIceCandidatePairStats& candidate_pair,
476 bool is_selected_pair) {
Niels Möllerafb246b2022-04-20 14:26:50 +0200477 RTCStatsVerifier verifier(report_.get(), &candidate_pair);
Yves Gerey665174f2018-06-19 15:03:05 +0200478 verifier.TestMemberIsIDReference(candidate_pair.transport_id,
479 RTCTransportStats::kType);
480 verifier.TestMemberIsIDReference(candidate_pair.local_candidate_id,
481 RTCLocalIceCandidateStats::kType);
482 verifier.TestMemberIsIDReference(candidate_pair.remote_candidate_id,
483 RTCRemoteIceCandidateStats::kType);
hbos06495bc2017-01-02 08:08:18 -0800484 verifier.TestMemberIsDefined(candidate_pair.state);
485 verifier.TestMemberIsNonNegative<uint64_t>(candidate_pair.priority);
hbos92eaec62017-02-27 01:38:08 -0800486 verifier.TestMemberIsDefined(candidate_pair.nominated);
hbosdb346a72016-11-29 01:57:01 -0800487 verifier.TestMemberIsDefined(candidate_pair.writable);
Taylor Brandstetter79326ea2021-09-28 15:09:53 -0700488 verifier.TestMemberIsNonNegative<uint64_t>(candidate_pair.packets_sent);
489 verifier.TestMemberIsNonNegative<uint64_t>(
490 candidate_pair.packets_discarded_on_send);
491 verifier.TestMemberIsNonNegative<uint64_t>(candidate_pair.packets_received);
hbos23351192017-01-02 06:52:19 -0800492 verifier.TestMemberIsNonNegative<uint64_t>(candidate_pair.bytes_sent);
Taylor Brandstetter79326ea2021-09-28 15:09:53 -0700493 verifier.TestMemberIsNonNegative<uint64_t>(
494 candidate_pair.bytes_discarded_on_send);
hbos23351192017-01-02 06:52:19 -0800495 verifier.TestMemberIsNonNegative<uint64_t>(candidate_pair.bytes_received);
hbosbf8d3e52017-02-28 06:34:47 -0800496 verifier.TestMemberIsNonNegative<double>(
497 candidate_pair.total_round_trip_time);
hbos23351192017-01-02 06:52:19 -0800498 verifier.TestMemberIsNonNegative<double>(
499 candidate_pair.current_round_trip_time);
hbos338f78a2017-02-07 06:41:21 -0800500 if (is_selected_pair) {
501 verifier.TestMemberIsNonNegative<double>(
502 candidate_pair.available_outgoing_bitrate);
deadbeef86c40a12017-06-28 09:37:23 -0700503 // A pair should be nominated in order to be selected.
504 EXPECT_TRUE(*candidate_pair.nominated);
hbos338f78a2017-02-07 06:41:21 -0800505 } else {
506 verifier.TestMemberIsUndefined(candidate_pair.available_outgoing_bitrate);
507 }
hbosdb346a72016-11-29 01:57:01 -0800508 verifier.TestMemberIsUndefined(candidate_pair.available_incoming_bitrate);
hbos23351192017-01-02 06:52:19 -0800509 verifier.TestMemberIsNonNegative<uint64_t>(
510 candidate_pair.requests_received);
511 verifier.TestMemberIsNonNegative<uint64_t>(candidate_pair.requests_sent);
512 verifier.TestMemberIsNonNegative<uint64_t>(
513 candidate_pair.responses_received);
514 verifier.TestMemberIsNonNegative<uint64_t>(candidate_pair.responses_sent);
hbos23351192017-01-02 06:52:19 -0800515 verifier.TestMemberIsNonNegative<uint64_t>(
516 candidate_pair.consent_requests_sent);
Jonas Oreland0d13bbd2022-03-02 11:17:36 +0100517
hbosdb346a72016-11-29 01:57:01 -0800518 return verifier.ExpectAllMembersSuccessfullyTested();
519 }
520
Yves Gerey665174f2018-06-19 15:03:05 +0200521 bool VerifyRTCIceCandidateStats(const RTCIceCandidateStats& candidate) {
Niels Möllerafb246b2022-04-20 14:26:50 +0200522 RTCStatsVerifier verifier(report_.get(), &candidate);
Yves Gerey665174f2018-06-19 15:03:05 +0200523 verifier.TestMemberIsIDReference(candidate.transport_id,
524 RTCTransportStats::kType);
hbosc3a2b7f2017-01-02 04:46:15 -0800525 verifier.TestMemberIsDefined(candidate.is_remote);
Gary Liu37e489c2017-11-21 10:49:36 -0800526 if (*candidate.is_remote) {
527 verifier.TestMemberIsUndefined(candidate.network_type);
Jonas Oreland0d13bbd2022-03-02 11:17:36 +0100528 verifier.TestMemberIsUndefined(candidate.network_adapter_type);
529 verifier.TestMemberIsUndefined(candidate.vpn);
Gary Liu37e489c2017-11-21 10:49:36 -0800530 } else {
531 verifier.TestMemberIsDefined(candidate.network_type);
Jonas Oreland0d13bbd2022-03-02 11:17:36 +0100532 verifier.TestMemberIsDefined(candidate.network_adapter_type);
533 verifier.TestMemberIsDefined(candidate.vpn);
Gary Liu37e489c2017-11-21 10:49:36 -0800534 }
hbosdb346a72016-11-29 01:57:01 -0800535 verifier.TestMemberIsDefined(candidate.ip);
Philipp Hanckea9ba4502021-03-22 13:22:54 +0100536 verifier.TestMemberIsDefined(candidate.address);
hbos23351192017-01-02 06:52:19 -0800537 verifier.TestMemberIsNonNegative<int32_t>(candidate.port);
hbosdb346a72016-11-29 01:57:01 -0800538 verifier.TestMemberIsDefined(candidate.protocol);
539 verifier.TestMemberIsDefined(candidate.candidate_type);
hbos23351192017-01-02 06:52:19 -0800540 verifier.TestMemberIsNonNegative<int32_t>(candidate.priority);
hbosdb346a72016-11-29 01:57:01 -0800541 verifier.TestMemberIsUndefined(candidate.url);
Philipp Hancke95513752018-09-27 14:40:08 +0200542 verifier.TestMemberIsUndefined(candidate.relay_protocol);
hbosdb346a72016-11-29 01:57:01 -0800543 return verifier.ExpectAllMembersSuccessfullyTested();
544 }
545
546 bool VerifyRTCLocalIceCandidateStats(
547 const RTCLocalIceCandidateStats& local_candidate) {
548 return VerifyRTCIceCandidateStats(local_candidate);
549 }
550
551 bool VerifyRTCRemoteIceCandidateStats(
552 const RTCRemoteIceCandidateStats& remote_candidate) {
553 return VerifyRTCIceCandidateStats(remote_candidate);
554 }
555
Yves Gerey665174f2018-06-19 15:03:05 +0200556 bool VerifyRTCMediaStreamStats(const RTCMediaStreamStats& media_stream) {
Niels Möllerafb246b2022-04-20 14:26:50 +0200557 RTCStatsVerifier verifier(report_.get(), &media_stream);
hbosdb346a72016-11-29 01:57:01 -0800558 verifier.TestMemberIsDefined(media_stream.stream_identifier);
Yves Gerey665174f2018-06-19 15:03:05 +0200559 verifier.TestMemberIsIDReference(media_stream.track_ids,
560 RTCMediaStreamTrackStats::kType);
hbosdb346a72016-11-29 01:57:01 -0800561 return verifier.ExpectAllMembersSuccessfullyTested();
562 }
563
564 bool VerifyRTCMediaStreamTrackStats(
565 const RTCMediaStreamTrackStats& media_stream_track) {
Niels Möllerafb246b2022-04-20 14:26:50 +0200566 RTCStatsVerifier verifier(report_.get(), &media_stream_track);
hbosdb346a72016-11-29 01:57:01 -0800567 verifier.TestMemberIsDefined(media_stream_track.track_identifier);
568 verifier.TestMemberIsDefined(media_stream_track.remote_source);
569 verifier.TestMemberIsDefined(media_stream_track.ended);
570 verifier.TestMemberIsDefined(media_stream_track.detached);
hbos160e4a72017-01-17 02:53:23 -0800571 verifier.TestMemberIsDefined(media_stream_track.kind);
Guido Urdaneta67378412019-05-28 17:38:08 +0200572 RTC_DCHECK(media_stream_track.remote_source.is_defined());
hbosdb346a72016-11-29 01:57:01 -0800573 // Video or audio media stream track?
hbos160e4a72017-01-17 02:53:23 -0800574 if (*media_stream_track.kind == RTCMediaStreamTrackKind::kVideo) {
Henrik Boström646fda02019-05-22 15:49:42 +0200575 // The type of the referenced media source depends on kind.
hbos42f6d2f2017-01-20 03:56:50 -0800576 if (*media_stream_track.remote_source) {
Guido Urdaneta67378412019-05-28 17:38:08 +0200577 verifier.TestMemberIsUndefined(media_stream_track.media_source_id);
578 verifier.TestMemberIsNonNegative<double>(
579 media_stream_track.jitter_buffer_delay);
580 verifier.TestMemberIsNonNegative<uint64_t>(
581 media_stream_track.jitter_buffer_emitted_count);
hbosfefe0762017-01-20 06:14:25 -0800582 verifier.TestMemberIsUndefined(media_stream_track.frames_sent);
Ilya Nikolaevskiy70473fc2018-02-28 16:35:03 +0100583 verifier.TestMemberIsUndefined(media_stream_track.huge_frames_sent);
hbos42f6d2f2017-01-20 03:56:50 -0800584 verifier.TestMemberIsNonNegative<uint32_t>(
585 media_stream_track.frames_received);
hbosf64941f2017-01-20 07:39:09 -0800586 verifier.TestMemberIsNonNegative<uint32_t>(
587 media_stream_track.frames_decoded);
hbos50cfe1f2017-01-23 07:21:55 -0800588 verifier.TestMemberIsNonNegative<uint32_t>(
589 media_stream_track.frames_dropped);
Sergey Silkin02371062019-01-31 16:45:42 +0100590 verifier.TestMemberIsNonNegative<uint32_t>(
591 media_stream_track.freeze_count);
592 verifier.TestMemberIsNonNegative<uint32_t>(
593 media_stream_track.pause_count);
594 verifier.TestMemberIsNonNegative<double>(
595 media_stream_track.total_freezes_duration);
596 verifier.TestMemberIsNonNegative<double>(
597 media_stream_track.total_pauses_duration);
598 verifier.TestMemberIsNonNegative<double>(
599 media_stream_track.total_frames_duration);
600 verifier.TestMemberIsNonNegative<double>(
601 media_stream_track.sum_squared_frame_durations);
hbos42f6d2f2017-01-20 03:56:50 -0800602 } else {
Guido Urdaneta67378412019-05-28 17:38:08 +0200603 verifier.TestMemberIsIDReference(media_stream_track.media_source_id,
604 RTCVideoSourceStats::kType);
605 // Local tracks have no jitter buffer.
606 verifier.TestMemberIsUndefined(media_stream_track.jitter_buffer_delay);
607 verifier.TestMemberIsUndefined(
608 media_stream_track.jitter_buffer_emitted_count);
hbosfefe0762017-01-20 06:14:25 -0800609 verifier.TestMemberIsNonNegative<uint32_t>(
610 media_stream_track.frames_sent);
Ilya Nikolaevskiy70473fc2018-02-28 16:35:03 +0100611 verifier.TestMemberIsNonNegative<uint32_t>(
612 media_stream_track.huge_frames_sent);
hbos42f6d2f2017-01-20 03:56:50 -0800613 verifier.TestMemberIsUndefined(media_stream_track.frames_received);
hbosf64941f2017-01-20 07:39:09 -0800614 verifier.TestMemberIsUndefined(media_stream_track.frames_decoded);
hbos50cfe1f2017-01-23 07:21:55 -0800615 verifier.TestMemberIsUndefined(media_stream_track.frames_dropped);
Sergey Silkin02371062019-01-31 16:45:42 +0100616 verifier.TestMemberIsUndefined(media_stream_track.freeze_count);
617 verifier.TestMemberIsUndefined(media_stream_track.pause_count);
618 verifier.TestMemberIsUndefined(
619 media_stream_track.total_freezes_duration);
620 verifier.TestMemberIsUndefined(
621 media_stream_track.total_pauses_duration);
622 verifier.TestMemberIsUndefined(
623 media_stream_track.total_frames_duration);
624 verifier.TestMemberIsUndefined(
625 media_stream_track.sum_squared_frame_durations);
hbos42f6d2f2017-01-20 03:56:50 -0800626 }
Guido Urdaneta67378412019-05-28 17:38:08 +0200627 // Video-only members
628 verifier.TestMemberIsNonNegative<uint32_t>(
629 media_stream_track.frame_width);
630 verifier.TestMemberIsNonNegative<uint32_t>(
631 media_stream_track.frame_height);
hbosdb346a72016-11-29 01:57:01 -0800632 // Audio-only members should be undefined
633 verifier.TestMemberIsUndefined(media_stream_track.audio_level);
634 verifier.TestMemberIsUndefined(media_stream_track.echo_return_loss);
635 verifier.TestMemberIsUndefined(
636 media_stream_track.echo_return_loss_enhancement);
zsteine76bd3a2017-07-14 12:17:49 -0700637 verifier.TestMemberIsUndefined(media_stream_track.total_audio_energy);
638 verifier.TestMemberIsUndefined(media_stream_track.total_samples_duration);
Guido Urdaneta67378412019-05-28 17:38:08 +0200639 verifier.TestMemberIsUndefined(media_stream_track.total_samples_received);
640 verifier.TestMemberIsUndefined(media_stream_track.concealed_samples);
Henrik Boström21e99da2019-08-21 12:09:51 +0200641 verifier.TestMemberIsUndefined(
642 media_stream_track.silent_concealed_samples);
Guido Urdaneta67378412019-05-28 17:38:08 +0200643 verifier.TestMemberIsUndefined(media_stream_track.concealment_events);
Henrik Boström21e99da2019-08-21 12:09:51 +0200644 verifier.TestMemberIsUndefined(
645 media_stream_track.inserted_samples_for_deceleration);
646 verifier.TestMemberIsUndefined(
647 media_stream_track.removed_samples_for_acceleration);
Guido Urdaneta67378412019-05-28 17:38:08 +0200648 verifier.TestMemberIsUndefined(media_stream_track.jitter_buffer_flushes);
649 verifier.TestMemberIsUndefined(
650 media_stream_track.delayed_packet_outage_samples);
651 verifier.TestMemberIsUndefined(
652 media_stream_track.relative_packet_arrival_delay);
653 verifier.TestMemberIsUndefined(media_stream_track.interruption_count);
654 verifier.TestMemberIsUndefined(
655 media_stream_track.total_interruption_duration);
Artem Titove618cc92020-03-11 11:18:54 +0100656 verifier.TestMemberIsUndefined(
657 media_stream_track.jitter_buffer_target_delay);
hbosdb346a72016-11-29 01:57:01 -0800658 } else {
Yves Gerey665174f2018-06-19 15:03:05 +0200659 RTC_DCHECK_EQ(*media_stream_track.kind, RTCMediaStreamTrackKind::kAudio);
Henrik Boström646fda02019-05-22 15:49:42 +0200660 // The type of the referenced media source depends on kind.
Guido Urdaneta67378412019-05-28 17:38:08 +0200661 if (*media_stream_track.remote_source) {
Henrik Boström646fda02019-05-22 15:49:42 +0200662 // Remote tracks don't have media source stats.
663 verifier.TestMemberIsUndefined(media_stream_track.media_source_id);
Guido Urdaneta67378412019-05-28 17:38:08 +0200664 verifier.TestMemberIsNonNegative<double>(
665 media_stream_track.jitter_buffer_delay);
666 verifier.TestMemberIsNonNegative<uint64_t>(
667 media_stream_track.jitter_buffer_emitted_count);
Artem Titove618cc92020-03-11 11:18:54 +0100668 verifier.TestMemberIsNonNegative<double>(
669 media_stream_track.jitter_buffer_target_delay);
Henrik Boströmd2c336f2019-07-03 17:11:10 +0200670 verifier.TestMemberIsPositive<double>(media_stream_track.audio_level);
671 verifier.TestMemberIsPositive<double>(
672 media_stream_track.total_audio_energy);
673 verifier.TestMemberIsPositive<uint64_t>(
Guido Urdaneta67378412019-05-28 17:38:08 +0200674 media_stream_track.total_samples_received);
Henrik Boströmd2c336f2019-07-03 17:11:10 +0200675 verifier.TestMemberIsPositive<double>(
676 media_stream_track.total_samples_duration);
Guido Urdaneta67378412019-05-28 17:38:08 +0200677 verifier.TestMemberIsNonNegative<uint64_t>(
678 media_stream_track.concealed_samples);
679 verifier.TestMemberIsNonNegative<uint64_t>(
Henrik Boström21e99da2019-08-21 12:09:51 +0200680 media_stream_track.silent_concealed_samples);
681 verifier.TestMemberIsNonNegative<uint64_t>(
Guido Urdaneta67378412019-05-28 17:38:08 +0200682 media_stream_track.concealment_events);
683 verifier.TestMemberIsNonNegative<uint64_t>(
684 media_stream_track.inserted_samples_for_deceleration);
685 verifier.TestMemberIsNonNegative<uint64_t>(
686 media_stream_track.removed_samples_for_acceleration);
687 verifier.TestMemberIsNonNegative<uint64_t>(
Guido Urdaneta67378412019-05-28 17:38:08 +0200688 media_stream_track.jitter_buffer_flushes);
689 verifier.TestMemberIsNonNegative<uint64_t>(
690 media_stream_track.delayed_packet_outage_samples);
691 verifier.TestMemberIsNonNegative<double>(
692 media_stream_track.relative_packet_arrival_delay);
693 verifier.TestMemberIsNonNegative<uint32_t>(
694 media_stream_track.interruption_count);
695 verifier.TestMemberIsNonNegative<double>(
696 media_stream_track.total_interruption_duration);
697 } else {
698 verifier.TestMemberIsIDReference(media_stream_track.media_source_id,
699 RTCAudioSourceStats::kType);
700 // Local audio tracks have no jitter buffer.
701 verifier.TestMemberIsUndefined(media_stream_track.jitter_buffer_delay);
702 verifier.TestMemberIsUndefined(
703 media_stream_track.jitter_buffer_emitted_count);
Artem Titove618cc92020-03-11 11:18:54 +0100704 verifier.TestMemberIsUndefined(
705 media_stream_track.jitter_buffer_target_delay);
Henrik Boströmd2c336f2019-07-03 17:11:10 +0200706 verifier.TestMemberIsUndefined(media_stream_track.audio_level);
707 verifier.TestMemberIsUndefined(media_stream_track.total_audio_energy);
Guido Urdaneta67378412019-05-28 17:38:08 +0200708 verifier.TestMemberIsUndefined(
709 media_stream_track.total_samples_received);
Henrik Boströmd2c336f2019-07-03 17:11:10 +0200710 verifier.TestMemberIsUndefined(
711 media_stream_track.total_samples_duration);
Guido Urdaneta67378412019-05-28 17:38:08 +0200712 verifier.TestMemberIsUndefined(media_stream_track.concealed_samples);
Henrik Boström21e99da2019-08-21 12:09:51 +0200713 verifier.TestMemberIsUndefined(
714 media_stream_track.silent_concealed_samples);
Guido Urdaneta67378412019-05-28 17:38:08 +0200715 verifier.TestMemberIsUndefined(media_stream_track.concealment_events);
716 verifier.TestMemberIsUndefined(
Henrik Boström21e99da2019-08-21 12:09:51 +0200717 media_stream_track.inserted_samples_for_deceleration);
718 verifier.TestMemberIsUndefined(
719 media_stream_track.removed_samples_for_acceleration);
720 verifier.TestMemberIsUndefined(
Guido Urdaneta67378412019-05-28 17:38:08 +0200721 media_stream_track.jitter_buffer_flushes);
722 verifier.TestMemberIsUndefined(
723 media_stream_track.delayed_packet_outage_samples);
724 verifier.TestMemberIsUndefined(
725 media_stream_track.relative_packet_arrival_delay);
726 verifier.TestMemberIsUndefined(media_stream_track.interruption_count);
727 verifier.TestMemberIsUndefined(
728 media_stream_track.total_interruption_duration);
Henrik Boström646fda02019-05-22 15:49:42 +0200729 }
hbosdb346a72016-11-29 01:57:01 -0800730 // Video-only members should be undefined
731 verifier.TestMemberIsUndefined(media_stream_track.frame_width);
732 verifier.TestMemberIsUndefined(media_stream_track.frame_height);
hbosdb346a72016-11-29 01:57:01 -0800733 verifier.TestMemberIsUndefined(media_stream_track.frames_sent);
Ilya Nikolaevskiy70473fc2018-02-28 16:35:03 +0100734 verifier.TestMemberIsUndefined(media_stream_track.huge_frames_sent);
hbosdb346a72016-11-29 01:57:01 -0800735 verifier.TestMemberIsUndefined(media_stream_track.frames_received);
736 verifier.TestMemberIsUndefined(media_stream_track.frames_decoded);
737 verifier.TestMemberIsUndefined(media_stream_track.frames_dropped);
Sergey Silkin02371062019-01-31 16:45:42 +0100738 verifier.TestMemberIsUndefined(media_stream_track.freeze_count);
739 verifier.TestMemberIsUndefined(media_stream_track.pause_count);
740 verifier.TestMemberIsUndefined(media_stream_track.total_freezes_duration);
741 verifier.TestMemberIsUndefined(media_stream_track.total_pauses_duration);
742 verifier.TestMemberIsUndefined(media_stream_track.total_frames_duration);
743 verifier.TestMemberIsUndefined(
744 media_stream_track.sum_squared_frame_durations);
hbosdb346a72016-11-29 01:57:01 -0800745 // Audio-only members
Artem Titov880fa812021-07-30 22:30:23 +0200746 // TODO(hbos): `echo_return_loss` and `echo_return_loss_enhancement` are
hbos2d4d6532017-01-20 04:16:41 -0800747 // flaky on msan bot (sometimes defined, sometimes undefined). Should the
748 // test run until available or is there a way to have it always be
749 // defined? crbug.com/627816
750 verifier.MarkMemberTested(media_stream_track.echo_return_loss, true);
Yves Gerey665174f2018-06-19 15:03:05 +0200751 verifier.MarkMemberTested(media_stream_track.echo_return_loss_enhancement,
752 true);
hbosdb346a72016-11-29 01:57:01 -0800753 }
754 return verifier.ExpectAllMembersSuccessfullyTested();
755 }
756
757 bool VerifyRTCPeerConnectionStats(
758 const RTCPeerConnectionStats& peer_connection) {
Niels Möllerafb246b2022-04-20 14:26:50 +0200759 RTCStatsVerifier verifier(report_.get(), &peer_connection);
hbos23351192017-01-02 06:52:19 -0800760 verifier.TestMemberIsNonNegative<uint32_t>(
761 peer_connection.data_channels_opened);
762 verifier.TestMemberIsNonNegative<uint32_t>(
763 peer_connection.data_channels_closed);
hbosdb346a72016-11-29 01:57:01 -0800764 return verifier.ExpectAllMembersSuccessfullyTested();
765 }
766
Yves Gerey665174f2018-06-19 15:03:05 +0200767 void VerifyRTCRTPStreamStats(const RTCRTPStreamStats& stream,
Alessio Bazzicaf7b1b952021-03-23 17:23:04 +0100768 RTCStatsVerifier& verifier) {
769 verifier.TestMemberIsDefined(stream.ssrc);
770 verifier.TestMemberIsDefined(stream.kind);
Henrik Boström2f71b612021-03-23 15:18:55 +0100771 // Some legacy metrics are only defined for some of the RTP types in the
772 // hierarcy.
773 if (stream.type() == RTCInboundRTPStreamStats::kType ||
774 stream.type() == RTCOutboundRTPStreamStats::kType) {
Alessio Bazzicaf7b1b952021-03-23 17:23:04 +0100775 verifier.TestMemberIsDefined(stream.media_type);
776 verifier.TestMemberIsIDReference(stream.track_id,
777 RTCMediaStreamTrackStats::kType);
Henrik Boström2f71b612021-03-23 15:18:55 +0100778 } else {
Alessio Bazzicaf7b1b952021-03-23 17:23:04 +0100779 verifier.TestMemberIsUndefined(stream.media_type);
780 verifier.TestMemberIsUndefined(stream.track_id);
Henrik Boström2f71b612021-03-23 15:18:55 +0100781 }
Alessio Bazzicaf7b1b952021-03-23 17:23:04 +0100782 verifier.TestMemberIsIDReference(stream.transport_id,
783 RTCTransportStats::kType);
784 verifier.TestMemberIsIDReference(stream.codec_id, RTCCodecStats::kType);
785 }
786
787 void VerifyRTCSentRTPStreamStats(const RTCSentRtpStreamStats& sent_stream,
788 RTCStatsVerifier& verifier) {
789 VerifyRTCRTPStreamStats(sent_stream, verifier);
790 verifier.TestMemberIsDefined(sent_stream.packets_sent);
791 verifier.TestMemberIsDefined(sent_stream.bytes_sent);
hbosdb346a72016-11-29 01:57:01 -0800792 }
793
794 bool VerifyRTCInboundRTPStreamStats(
795 const RTCInboundRTPStreamStats& inbound_stream) {
Niels Möllerafb246b2022-04-20 14:26:50 +0200796 RTCStatsVerifier verifier(report_.get(), &inbound_stream);
Philipp Hanckea116da52022-06-17 11:20:39 +0200797 VerifyRTCReceivedRtpStreamStats(
798 inbound_stream, verifier,
799 inbound_stream.kind.is_defined() && *inbound_stream.kind == "audio");
Alessio Bazzicaf7b1b952021-03-23 17:23:04 +0100800 verifier.TestMemberIsOptionalIDReference(
801 inbound_stream.remote_id, RTCRemoteOutboundRtpStreamStats::kType);
Henrik Boström1ab61882022-06-16 17:07:33 +0200802 verifier.TestMemberIsDefined(inbound_stream.mid);
Henrik Boströma6c7d5c2022-06-16 16:55:31 +0200803 verifier.TestMemberIsDefined(inbound_stream.track_identifier);
Philipp Hanckea116da52022-06-17 11:20:39 +0200804 if (inbound_stream.kind.is_defined() && *inbound_stream.kind == "video") {
sakal5fec1282017-02-20 06:43:58 -0800805 verifier.TestMemberIsNonNegative<uint64_t>(inbound_stream.qp_sum);
Henrik Boström6b430862019-08-16 13:09:51 +0200806 verifier.TestMemberIsDefined(inbound_stream.decoder_implementation);
sakal5fec1282017-02-20 06:43:58 -0800807 } else {
hbosa51d4f32017-02-16 05:34:48 -0800808 verifier.TestMemberIsUndefined(inbound_stream.qp_sum);
Henrik Boström6b430862019-08-16 13:09:51 +0200809 verifier.TestMemberIsUndefined(inbound_stream.decoder_implementation);
sakal5fec1282017-02-20 06:43:58 -0800810 }
hbos23351192017-01-02 06:52:19 -0800811 verifier.TestMemberIsNonNegative<uint32_t>(inbound_stream.packets_received);
Philipp Hanckea116da52022-06-17 11:20:39 +0200812 if (inbound_stream.kind.is_defined() && *inbound_stream.kind == "audio") {
Ivo Creusen8d8ffdb2019-04-30 09:45:21 +0200813 verifier.TestMemberIsNonNegative<uint64_t>(
814 inbound_stream.fec_packets_received);
815 verifier.TestMemberIsNonNegative<uint64_t>(
816 inbound_stream.fec_packets_discarded);
Henrik Boström4a5dab02020-01-28 11:15:35 +0100817 } else {
818 verifier.TestMemberIsUndefined(inbound_stream.fec_packets_received);
819 verifier.TestMemberIsUndefined(inbound_stream.fec_packets_discarded);
Ivo Creusen8d8ffdb2019-04-30 09:45:21 +0200820 }
hbos23351192017-01-02 06:52:19 -0800821 verifier.TestMemberIsNonNegative<uint64_t>(inbound_stream.bytes_received);
Niels Möllerac0a4cb2019-10-09 15:01:33 +0200822 verifier.TestMemberIsNonNegative<uint64_t>(
823 inbound_stream.header_bytes_received);
Henrik Boström01738c62019-04-15 17:32:00 +0200824 verifier.TestMemberIsDefined(inbound_stream.last_packet_received_timestamp);
Eldar Rello4e5bc9f2020-07-06 14:18:07 +0300825 if (inbound_stream.frames_received.ValueOrDefault(0) > 0) {
826 verifier.TestMemberIsNonNegative<uint32_t>(inbound_stream.frame_width);
827 verifier.TestMemberIsNonNegative<uint32_t>(inbound_stream.frame_height);
828 } else {
829 verifier.TestMemberIsUndefined(inbound_stream.frame_width);
830 verifier.TestMemberIsUndefined(inbound_stream.frame_height);
831 }
832 if (inbound_stream.frames_per_second.is_defined()) {
833 verifier.TestMemberIsNonNegative<double>(
834 inbound_stream.frames_per_second);
835 } else {
836 verifier.TestMemberIsUndefined(inbound_stream.frames_per_second);
837 }
Byoungchan Lee899b29e2021-06-29 22:09:18 +0900838 verifier.TestMemberIsNonNegative<double>(
839 inbound_stream.jitter_buffer_delay);
840 verifier.TestMemberIsNonNegative<uint64_t>(
841 inbound_stream.jitter_buffer_emitted_count);
Philipp Hanckea116da52022-06-17 11:20:39 +0200842 if (inbound_stream.kind.is_defined() && *inbound_stream.kind == "video") {
Eldar Rello4e5bc9f2020-07-06 14:18:07 +0300843 verifier.TestMemberIsUndefined(inbound_stream.total_samples_received);
844 verifier.TestMemberIsUndefined(inbound_stream.concealed_samples);
845 verifier.TestMemberIsUndefined(inbound_stream.silent_concealed_samples);
846 verifier.TestMemberIsUndefined(inbound_stream.concealment_events);
847 verifier.TestMemberIsUndefined(
848 inbound_stream.inserted_samples_for_deceleration);
849 verifier.TestMemberIsUndefined(
850 inbound_stream.removed_samples_for_acceleration);
851 verifier.TestMemberIsUndefined(inbound_stream.audio_level);
852 verifier.TestMemberIsUndefined(inbound_stream.total_audio_energy);
853 verifier.TestMemberIsUndefined(inbound_stream.total_samples_duration);
854 verifier.TestMemberIsNonNegative<int32_t>(inbound_stream.frames_received);
Di Wufd1e9d12021-03-09 09:25:28 -0800855 verifier.TestMemberIsNonNegative<uint32_t>(inbound_stream.fir_count);
856 verifier.TestMemberIsNonNegative<uint32_t>(inbound_stream.pli_count);
857 verifier.TestMemberIsNonNegative<uint32_t>(inbound_stream.nack_count);
hbosdb346a72016-11-29 01:57:01 -0800858 } else {
Di Wufd1e9d12021-03-09 09:25:28 -0800859 verifier.TestMemberIsUndefined(inbound_stream.fir_count);
860 verifier.TestMemberIsUndefined(inbound_stream.pli_count);
861 verifier.TestMemberIsUndefined(inbound_stream.nack_count);
Eldar Rello4e5bc9f2020-07-06 14:18:07 +0300862 verifier.TestMemberIsPositive<uint64_t>(
863 inbound_stream.total_samples_received);
864 verifier.TestMemberIsNonNegative<uint64_t>(
865 inbound_stream.concealed_samples);
866 verifier.TestMemberIsNonNegative<uint64_t>(
867 inbound_stream.silent_concealed_samples);
868 verifier.TestMemberIsNonNegative<uint64_t>(
869 inbound_stream.concealment_events);
870 verifier.TestMemberIsNonNegative<uint64_t>(
871 inbound_stream.inserted_samples_for_deceleration);
872 verifier.TestMemberIsNonNegative<uint64_t>(
873 inbound_stream.removed_samples_for_acceleration);
874 verifier.TestMemberIsPositive<double>(inbound_stream.audio_level);
875 verifier.TestMemberIsPositive<double>(inbound_stream.total_audio_energy);
876 verifier.TestMemberIsPositive<double>(
877 inbound_stream.total_samples_duration);
878 verifier.TestMemberIsUndefined(inbound_stream.frames_received);
hbosdb346a72016-11-29 01:57:01 -0800879 }
Åsa Perssonfcf79cc2019-10-22 15:23:44 +0200880 // Test runtime too short to get an estimate (at least two RTCP sender
881 // reports need to be received).
882 verifier.MarkMemberTested(inbound_stream.estimated_playout_timestamp, true);
Philipp Hanckea116da52022-06-17 11:20:39 +0200883 if (inbound_stream.kind.is_defined() && *inbound_stream.kind == "video") {
hbos6769c492017-01-02 08:35:13 -0800884 verifier.TestMemberIsDefined(inbound_stream.frames_decoded);
Rasmus Brandt2efae772019-06-27 14:29:34 +0200885 verifier.TestMemberIsDefined(inbound_stream.key_frames_decoded);
Eldar Rello4e5bc9f2020-07-06 14:18:07 +0300886 verifier.TestMemberIsNonNegative<uint32_t>(inbound_stream.frames_dropped);
Johannes Kronbfd343b2019-07-01 10:07:50 +0200887 verifier.TestMemberIsNonNegative<double>(
888 inbound_stream.total_decode_time);
Johannes Kron00376e12019-11-25 10:25:42 +0100889 verifier.TestMemberIsNonNegative<double>(
Philipp Hanckea16a6a62022-04-25 12:21:30 +0200890 inbound_stream.total_processing_delay);
891 verifier.TestMemberIsNonNegative<double>(
Philipp Hancke0359ba22022-05-05 15:55:36 +0200892 inbound_stream.total_assembly_time);
893 verifier.TestMemberIsDefined(
894 inbound_stream.frames_assembled_from_multiple_packets);
895 verifier.TestMemberIsNonNegative<double>(
Johannes Kron00376e12019-11-25 10:25:42 +0100896 inbound_stream.total_inter_frame_delay);
897 verifier.TestMemberIsNonNegative<double>(
898 inbound_stream.total_squared_inter_frame_delay);
Henrik Boström2e069262019-04-09 13:59:31 +0200899 // The integration test is not set up to test screen share; don't require
900 // this to be present.
901 verifier.MarkMemberTested(inbound_stream.content_type, true);
Philipp Hancke6fb8d1a2022-05-30 12:37:04 +0200902 verifier.TestMemberIsNonNegative<double>(
903 inbound_stream.min_playout_delay);
hbos6769c492017-01-02 08:35:13 -0800904 } else {
905 verifier.TestMemberIsUndefined(inbound_stream.frames_decoded);
Rasmus Brandt2efae772019-06-27 14:29:34 +0200906 verifier.TestMemberIsUndefined(inbound_stream.key_frames_decoded);
Eldar Rello4e5bc9f2020-07-06 14:18:07 +0300907 verifier.TestMemberIsUndefined(inbound_stream.frames_dropped);
Johannes Kronbfd343b2019-07-01 10:07:50 +0200908 verifier.TestMemberIsUndefined(inbound_stream.total_decode_time);
Philipp Hanckea16a6a62022-04-25 12:21:30 +0200909 verifier.TestMemberIsUndefined(inbound_stream.total_processing_delay);
Philipp Hancke0359ba22022-05-05 15:55:36 +0200910 verifier.TestMemberIsUndefined(inbound_stream.total_assembly_time);
911 verifier.TestMemberIsUndefined(
912 inbound_stream.frames_assembled_from_multiple_packets);
Johannes Kron00376e12019-11-25 10:25:42 +0100913 verifier.TestMemberIsUndefined(inbound_stream.total_inter_frame_delay);
914 verifier.TestMemberIsUndefined(
915 inbound_stream.total_squared_inter_frame_delay);
Henrik Boström2e069262019-04-09 13:59:31 +0200916 verifier.TestMemberIsUndefined(inbound_stream.content_type);
Philipp Hancke6fb8d1a2022-05-30 12:37:04 +0200917 verifier.TestMemberIsUndefined(inbound_stream.min_playout_delay);
hbos6769c492017-01-02 08:35:13 -0800918 }
hbosdb346a72016-11-29 01:57:01 -0800919 return verifier.ExpectAllMembersSuccessfullyTested();
920 }
921
922 bool VerifyRTCOutboundRTPStreamStats(
Eldar Rello9276e2c2020-06-10 17:53:39 +0300923 const RTCOutboundRTPStreamStats& outbound_stream) {
Niels Möllerafb246b2022-04-20 14:26:50 +0200924 RTCStatsVerifier verifier(report_.get(), &outbound_stream);
Alessio Bazzicaf7b1b952021-03-23 17:23:04 +0100925 VerifyRTCRTPStreamStats(outbound_stream, verifier);
Henrik Boström1ab61882022-06-16 17:07:33 +0200926 verifier.TestMemberIsDefined(outbound_stream.mid);
Philipp Hanckea116da52022-06-17 11:20:39 +0200927 if (outbound_stream.kind.is_defined() && *outbound_stream.kind == "video") {
Henrik Boström646fda02019-05-22 15:49:42 +0200928 verifier.TestMemberIsIDReference(outbound_stream.media_source_id,
929 RTCVideoSourceStats::kType);
Di Wufd1e9d12021-03-09 09:25:28 -0800930 verifier.TestMemberIsNonNegative<uint32_t>(outbound_stream.fir_count);
931 verifier.TestMemberIsNonNegative<uint32_t>(outbound_stream.pli_count);
Henrik Boströma0ff50c2020-05-05 15:54:46 +0200932 if (*outbound_stream.frames_encoded > 0) {
933 verifier.TestMemberIsNonNegative<uint64_t>(outbound_stream.qp_sum);
934 } else {
935 verifier.TestMemberIsUndefined(outbound_stream.qp_sum);
936 }
hbos6769c492017-01-02 08:35:13 -0800937 } else {
Di Wufd1e9d12021-03-09 09:25:28 -0800938 verifier.TestMemberIsUndefined(outbound_stream.fir_count);
939 verifier.TestMemberIsUndefined(outbound_stream.pli_count);
Henrik Boström646fda02019-05-22 15:49:42 +0200940 verifier.TestMemberIsIDReference(outbound_stream.media_source_id,
941 RTCAudioSourceStats::kType);
hbos6769c492017-01-02 08:35:13 -0800942 verifier.TestMemberIsUndefined(outbound_stream.qp_sum);
943 }
Jakob Ivarssone91c9922021-07-06 09:55:43 +0200944 verifier.TestMemberIsNonNegative<uint32_t>(outbound_stream.nack_count);
Henrik Boström4f40fa52019-12-19 13:27:27 +0100945 verifier.TestMemberIsOptionalIDReference(
946 outbound_stream.remote_id, RTCRemoteInboundRtpStreamStats::kType);
hbos23351192017-01-02 06:52:19 -0800947 verifier.TestMemberIsNonNegative<uint32_t>(outbound_stream.packets_sent);
Henrik Boströmcf96e0f2019-04-17 13:51:53 +0200948 verifier.TestMemberIsNonNegative<uint64_t>(
949 outbound_stream.retransmitted_packets_sent);
hbos23351192017-01-02 06:52:19 -0800950 verifier.TestMemberIsNonNegative<uint64_t>(outbound_stream.bytes_sent);
Henrik Boströmcf96e0f2019-04-17 13:51:53 +0200951 verifier.TestMemberIsNonNegative<uint64_t>(
Niels Möllerac0a4cb2019-10-09 15:01:33 +0200952 outbound_stream.header_bytes_sent);
953 verifier.TestMemberIsNonNegative<uint64_t>(
Henrik Boströmcf96e0f2019-04-17 13:51:53 +0200954 outbound_stream.retransmitted_bytes_sent);
Philipp Hanckea116da52022-06-17 11:20:39 +0200955 if (outbound_stream.kind.is_defined() && *outbound_stream.kind == "video") {
hbos6769c492017-01-02 08:35:13 -0800956 verifier.TestMemberIsDefined(outbound_stream.frames_encoded);
Rasmus Brandt2efae772019-06-27 14:29:34 +0200957 verifier.TestMemberIsDefined(outbound_stream.key_frames_encoded);
Henrik Boströmf71362f2019-04-08 16:14:23 +0200958 verifier.TestMemberIsNonNegative<double>(
959 outbound_stream.total_encode_time);
Henrik Boström23aff9b2019-05-20 15:15:38 +0200960 verifier.TestMemberIsNonNegative<uint64_t>(
961 outbound_stream.total_encoded_bytes_target);
Henrik Boström9fe18342019-05-16 18:38:20 +0200962 verifier.TestMemberIsNonNegative<double>(
963 outbound_stream.total_packet_send_delay);
Henrik Boströmce33b6a2019-05-28 17:42:38 +0200964 verifier.TestMemberIsDefined(outbound_stream.quality_limitation_reason);
Byoungchan Lee7d235352021-05-28 21:32:04 +0900965 verifier.TestMemberIsDefined(
966 outbound_stream.quality_limitation_durations);
Evan Shrubsolecc62b162019-09-09 11:26:45 +0200967 verifier.TestMemberIsNonNegative<uint32_t>(
968 outbound_stream.quality_limitation_resolution_changes);
Henrik Boström2e069262019-04-09 13:59:31 +0200969 // The integration test is not set up to test screen share; don't require
970 // this to be present.
971 verifier.MarkMemberTested(outbound_stream.content_type, true);
Henrik Boström6b430862019-08-16 13:09:51 +0200972 verifier.TestMemberIsDefined(outbound_stream.encoder_implementation);
Eldar Rello9276e2c2020-06-10 17:53:39 +0300973 // Unless an implementation-specific amount of time has passed and at
974 // least one frame has been encoded, undefined is reported. Because it
975 // is hard to tell what is the case here, we treat FPS as optional.
976 // TODO(hbos): Update the tests to run until all implemented metrics
977 // should be populated.
978 if (outbound_stream.frames_per_second.is_defined()) {
979 verifier.TestMemberIsNonNegative<double>(
980 outbound_stream.frames_per_second);
Henrik Boströma0ff50c2020-05-05 15:54:46 +0200981 } else {
982 verifier.TestMemberIsUndefined(outbound_stream.frames_per_second);
Henrik Boströma0ff50c2020-05-05 15:54:46 +0200983 }
Eldar Rello9276e2c2020-06-10 17:53:39 +0300984 verifier.TestMemberIsNonNegative<uint32_t>(outbound_stream.frame_height);
985 verifier.TestMemberIsNonNegative<uint32_t>(outbound_stream.frame_width);
986 verifier.TestMemberIsNonNegative<uint32_t>(outbound_stream.frames_sent);
987 verifier.TestMemberIsNonNegative<uint32_t>(
988 outbound_stream.huge_frames_sent);
Jakob Ivarssonbf087452021-11-11 13:43:49 +0100989 verifier.TestMemberIsUndefined(outbound_stream.target_bitrate);
Eldar Rello9276e2c2020-06-10 17:53:39 +0300990 verifier.MarkMemberTested(outbound_stream.rid, true);
hbos6769c492017-01-02 08:35:13 -0800991 } else {
992 verifier.TestMemberIsUndefined(outbound_stream.frames_encoded);
Rasmus Brandt2efae772019-06-27 14:29:34 +0200993 verifier.TestMemberIsUndefined(outbound_stream.key_frames_encoded);
Henrik Boströmf71362f2019-04-08 16:14:23 +0200994 verifier.TestMemberIsUndefined(outbound_stream.total_encode_time);
Henrik Boström23aff9b2019-05-20 15:15:38 +0200995 verifier.TestMemberIsUndefined(
996 outbound_stream.total_encoded_bytes_target);
Henrik Boström9fe18342019-05-16 18:38:20 +0200997 // TODO(https://crbug.com/webrtc/10635): Implement for audio as well.
998 verifier.TestMemberIsUndefined(outbound_stream.total_packet_send_delay);
Henrik Boströmce33b6a2019-05-28 17:42:38 +0200999 verifier.TestMemberIsUndefined(outbound_stream.quality_limitation_reason);
Evan Shrubsolecc62b162019-09-09 11:26:45 +02001000 verifier.TestMemberIsUndefined(
Byoungchan Lee7d235352021-05-28 21:32:04 +09001001 outbound_stream.quality_limitation_durations);
1002 verifier.TestMemberIsUndefined(
Evan Shrubsolecc62b162019-09-09 11:26:45 +02001003 outbound_stream.quality_limitation_resolution_changes);
Henrik Boström2e069262019-04-09 13:59:31 +02001004 verifier.TestMemberIsUndefined(outbound_stream.content_type);
Henrik Boström6b430862019-08-16 13:09:51 +02001005 // TODO(hbos): Implement for audio as well.
1006 verifier.TestMemberIsUndefined(outbound_stream.encoder_implementation);
Henrik Boströma0ff50c2020-05-05 15:54:46 +02001007 verifier.TestMemberIsUndefined(outbound_stream.rid);
1008 verifier.TestMemberIsUndefined(outbound_stream.frames_per_second);
1009 verifier.TestMemberIsUndefined(outbound_stream.frame_height);
1010 verifier.TestMemberIsUndefined(outbound_stream.frame_width);
1011 verifier.TestMemberIsUndefined(outbound_stream.frames_sent);
1012 verifier.TestMemberIsUndefined(outbound_stream.huge_frames_sent);
Jakob Ivarssonbf087452021-11-11 13:43:49 +01001013 verifier.TestMemberIsNonNegative<double>(outbound_stream.target_bitrate);
hbos6769c492017-01-02 08:35:13 -08001014 }
hbosdb346a72016-11-29 01:57:01 -08001015 return verifier.ExpectAllMembersSuccessfullyTested();
1016 }
1017
Henrik Boström2f71b612021-03-23 15:18:55 +01001018 void VerifyRTCReceivedRtpStreamStats(
1019 const RTCReceivedRtpStreamStats& received_rtp,
Minyue Li28a2c632021-07-07 15:53:38 +02001020 RTCStatsVerifier& verifier,
1021 bool packets_discarded_defined) {
Henrik Boström2f71b612021-03-23 15:18:55 +01001022 VerifyRTCRTPStreamStats(received_rtp, verifier);
Alessio Bazzicaf7b1b952021-03-23 17:23:04 +01001023 verifier.TestMemberIsNonNegative<double>(received_rtp.jitter);
1024 verifier.TestMemberIsDefined(received_rtp.packets_lost);
Minyue Li28a2c632021-07-07 15:53:38 +02001025 if (packets_discarded_defined) {
1026 verifier.TestMemberIsNonNegative<uint64_t>(
1027 received_rtp.packets_discarded);
1028 } else {
1029 verifier.TestMemberIsUndefined(received_rtp.packets_discarded);
1030 }
Henrik Boström2f71b612021-03-23 15:18:55 +01001031 }
1032
Henrik Boström883eefc2019-05-27 13:40:25 +02001033 bool VerifyRTCRemoteInboundRtpStreamStats(
1034 const RTCRemoteInboundRtpStreamStats& remote_inbound_stream) {
Niels Möllerafb246b2022-04-20 14:26:50 +02001035 RTCStatsVerifier verifier(report_.get(), &remote_inbound_stream);
Minyue Li28a2c632021-07-07 15:53:38 +02001036 VerifyRTCReceivedRtpStreamStats(remote_inbound_stream, verifier, false);
Di Wu86f04ad2021-02-28 23:36:03 -08001037 verifier.TestMemberIsDefined(remote_inbound_stream.fraction_lost);
Henrik Boström883eefc2019-05-27 13:40:25 +02001038 verifier.TestMemberIsIDReference(remote_inbound_stream.local_id,
1039 RTCOutboundRTPStreamStats::kType);
1040 verifier.TestMemberIsNonNegative<double>(
1041 remote_inbound_stream.round_trip_time);
Di Wu88a51b22021-03-01 11:22:06 -08001042 verifier.TestMemberIsNonNegative<double>(
1043 remote_inbound_stream.total_round_trip_time);
1044 verifier.TestMemberIsNonNegative<int32_t>(
1045 remote_inbound_stream.round_trip_time_measurements);
Henrik Boström883eefc2019-05-27 13:40:25 +02001046 return verifier.ExpectAllMembersSuccessfullyTested();
1047 }
1048
Alessio Bazzicaf7b1b952021-03-23 17:23:04 +01001049 bool VerifyRTCRemoteOutboundRTPStreamStats(
1050 const RTCRemoteOutboundRtpStreamStats& remote_outbound_stream) {
Niels Möllerafb246b2022-04-20 14:26:50 +02001051 RTCStatsVerifier verifier(report_.get(), &remote_outbound_stream);
Alessio Bazzicaf7b1b952021-03-23 17:23:04 +01001052 VerifyRTCRTPStreamStats(remote_outbound_stream, verifier);
1053 VerifyRTCSentRTPStreamStats(remote_outbound_stream, verifier);
1054 verifier.TestMemberIsIDReference(remote_outbound_stream.local_id,
1055 RTCOutboundRTPStreamStats::kType);
1056 verifier.TestMemberIsNonNegative<double>(
1057 remote_outbound_stream.remote_timestamp);
1058 verifier.TestMemberIsDefined(remote_outbound_stream.reports_sent);
1059 return verifier.ExpectAllMembersSuccessfullyTested();
1060 }
1061
Henrik Boström646fda02019-05-22 15:49:42 +02001062 void VerifyRTCMediaSourceStats(const RTCMediaSourceStats& media_source,
1063 RTCStatsVerifier* verifier) {
1064 verifier->TestMemberIsDefined(media_source.track_identifier);
1065 verifier->TestMemberIsDefined(media_source.kind);
1066 if (media_source.kind.is_defined()) {
1067 EXPECT_TRUE((*media_source.kind == "audio" &&
1068 media_source.type() == RTCAudioSourceStats::kType) ||
1069 (*media_source.kind == "video" &&
1070 media_source.type() == RTCVideoSourceStats::kType));
1071 }
1072 }
1073
1074 bool VerifyRTCAudioSourceStats(const RTCAudioSourceStats& audio_source) {
Niels Möllerafb246b2022-04-20 14:26:50 +02001075 RTCStatsVerifier verifier(report_.get(), &audio_source);
Henrik Boström646fda02019-05-22 15:49:42 +02001076 VerifyRTCMediaSourceStats(audio_source, &verifier);
Henrik Boström262bbae2019-09-13 11:34:55 +02001077 // Audio level, unlike audio energy, only gets updated at a certain
1078 // frequency, so we don't require that one to be positive to avoid a race
1079 // (https://crbug.com/webrtc/10962).
1080 verifier.TestMemberIsNonNegative<double>(audio_source.audio_level);
Henrik Boströmd2c336f2019-07-03 17:11:10 +02001081 verifier.TestMemberIsPositive<double>(audio_source.total_audio_energy);
1082 verifier.TestMemberIsPositive<double>(audio_source.total_samples_duration);
Artem Titov880fa812021-07-30 22:30:23 +02001083 // TODO(hbos): `echo_return_loss` and `echo_return_loss_enhancement` are
Taylor Brandstetter64851c02021-06-24 13:32:50 -07001084 // flaky on msan bot (sometimes defined, sometimes undefined). Should the
1085 // test run until available or is there a way to have it always be
1086 // defined? crbug.com/627816
1087 verifier.MarkMemberTested(audio_source.echo_return_loss, true);
1088 verifier.MarkMemberTested(audio_source.echo_return_loss_enhancement, true);
Henrik Boström646fda02019-05-22 15:49:42 +02001089 return verifier.ExpectAllMembersSuccessfullyTested();
1090 }
1091
1092 bool VerifyRTCVideoSourceStats(const RTCVideoSourceStats& video_source) {
Niels Möllerafb246b2022-04-20 14:26:50 +02001093 RTCStatsVerifier verifier(report_.get(), &video_source);
Henrik Boström646fda02019-05-22 15:49:42 +02001094 VerifyRTCMediaSourceStats(video_source, &verifier);
1095 // TODO(hbos): This integration test uses fakes that doesn't support
1096 // VideoTrackSourceInterface::Stats. When this is fixed we should
Artem Titov880fa812021-07-30 22:30:23 +02001097 // TestMemberIsNonNegative<uint32_t>() for `width` and `height` instead to
Henrik Boström646fda02019-05-22 15:49:42 +02001098 // reflect real code.
1099 verifier.TestMemberIsUndefined(video_source.width);
1100 verifier.TestMemberIsUndefined(video_source.height);
Di Wu668dbf62021-02-27 00:29:15 -08001101 verifier.TestMemberIsNonNegative<uint32_t>(video_source.frames);
Byoungchan Leeefe46b62021-11-10 11:23:56 +09001102 verifier.TestMemberIsNonNegative<double>(video_source.frames_per_second);
Henrik Boström646fda02019-05-22 15:49:42 +02001103 return verifier.ExpectAllMembersSuccessfullyTested();
1104 }
1105
Yves Gerey665174f2018-06-19 15:03:05 +02001106 bool VerifyRTCTransportStats(const RTCTransportStats& transport) {
Niels Möllerafb246b2022-04-20 14:26:50 +02001107 RTCStatsVerifier verifier(report_.get(), &transport);
hbos23351192017-01-02 06:52:19 -08001108 verifier.TestMemberIsNonNegative<uint64_t>(transport.bytes_sent);
Artem Titovedacbd52020-07-06 16:06:37 +02001109 verifier.TestMemberIsNonNegative<uint64_t>(transport.packets_sent);
hbos23351192017-01-02 06:52:19 -08001110 verifier.TestMemberIsNonNegative<uint64_t>(transport.bytes_received);
Artem Titovedacbd52020-07-06 16:06:37 +02001111 verifier.TestMemberIsNonNegative<uint64_t>(transport.packets_received);
Yves Gerey665174f2018-06-19 15:03:05 +02001112 verifier.TestMemberIsOptionalIDReference(transport.rtcp_transport_stats_id,
1113 RTCTransportStats::kType);
hbos7064d592017-01-16 07:38:02 -08001114 verifier.TestMemberIsDefined(transport.dtls_state);
Yves Gerey665174f2018-06-19 15:03:05 +02001115 verifier.TestMemberIsIDReference(transport.selected_candidate_pair_id,
1116 RTCIceCandidatePairStats::kType);
1117 verifier.TestMemberIsIDReference(transport.local_certificate_id,
1118 RTCCertificateStats::kType);
1119 verifier.TestMemberIsIDReference(transport.remote_certificate_id,
1120 RTCCertificateStats::kType);
Harald Alvestrand5cb78072019-10-28 09:51:17 +01001121 verifier.TestMemberIsDefined(transport.tls_version);
1122 verifier.TestMemberIsDefined(transport.dtls_cipher);
Philipp Hancke69c1df22022-04-22 15:46:24 +02001123 verifier.TestMemberIsDefined(transport.dtls_role);
Harald Alvestrand5cb78072019-10-28 09:51:17 +01001124 verifier.TestMemberIsDefined(transport.srtp_cipher);
Jonas Oreland149dc722019-08-28 08:10:27 +02001125 verifier.TestMemberIsPositive<uint32_t>(
1126 transport.selected_candidate_pair_changes);
Philipp Hanckecc1b9b02022-05-04 18:58:26 +02001127 verifier.TestMemberIsDefined(transport.ice_role);
Philipp Hancke95b1a342022-05-05 07:53:54 +02001128 verifier.TestMemberIsDefined(transport.ice_local_username_fragment);
Philipp Hancke1f491572022-05-09 17:43:31 +02001129 verifier.TestMemberIsDefined(transport.ice_state);
hbosdb346a72016-11-29 01:57:01 -08001130 return verifier.ExpectAllMembersSuccessfullyTested();
1131 }
1132
1133 private:
1134 rtc::scoped_refptr<const RTCStatsReport> report_;
1135};
1136
Mirko Bonadei5eb43b42021-01-18 13:24:40 +01001137#ifdef WEBRTC_HAVE_SCTP
hbosdb346a72016-11-29 01:57:01 -08001138TEST_F(RTCStatsIntegrationTest, GetStatsFromCaller) {
1139 StartCall();
1140
1141 rtc::scoped_refptr<const RTCStatsReport> report = GetStatsFromCaller();
Eldar Rello9276e2c2020-06-10 17:53:39 +03001142 RTCStatsReportVerifier(report.get()).VerifyReport({});
Doudou Kisabaka2dec4962019-11-28 14:24:31 +01001143
Henrik Boströma0ff50c2020-05-05 15:54:46 +02001144#if RTC_TRACE_EVENTS_ENABLED
ehmaldonado8ab0fd82017-09-04 14:35:04 -07001145 EXPECT_EQ(report->ToJson(), RTCStatsReportTraceListener::last_trace());
Jianhui Daib1ba8532022-05-13 10:40:25 +08001146#endif
hbosdb346a72016-11-29 01:57:01 -08001147}
1148
1149TEST_F(RTCStatsIntegrationTest, GetStatsFromCallee) {
1150 StartCall();
1151
1152 rtc::scoped_refptr<const RTCStatsReport> report = GetStatsFromCallee();
Eldar Rello9276e2c2020-06-10 17:53:39 +03001153 RTCStatsReportVerifier(report.get()).VerifyReport({});
Doudou Kisabaka2dec4962019-11-28 14:24:31 +01001154
Henrik Boströma0ff50c2020-05-05 15:54:46 +02001155#if RTC_TRACE_EVENTS_ENABLED
ehmaldonado8ab0fd82017-09-04 14:35:04 -07001156 EXPECT_EQ(report->ToJson(), RTCStatsReportTraceListener::last_trace());
Jianhui Daib1ba8532022-05-13 10:40:25 +08001157#endif
hbosdb346a72016-11-29 01:57:01 -08001158}
1159
Henrik Boström1df1bf82018-03-20 13:24:20 +01001160// These tests exercise the integration of the stats selection algorithm inside
1161// of PeerConnection. See rtcstatstraveral_unittest.cc for more detailed stats
1162// traversal tests on particular stats graphs.
1163TEST_F(RTCStatsIntegrationTest, GetStatsWithSenderSelector) {
1164 StartCall();
1165 ASSERT_FALSE(caller_->pc()->GetSenders().empty());
1166 rtc::scoped_refptr<const RTCStatsReport> report =
1167 GetStatsFromCaller(caller_->pc()->GetSenders()[0]);
1168 std::vector<const char*> allowed_missing_stats = {
1169 // TODO(hbos): Include RTC[Audio/Video]ReceiverStats when implemented.
1170 // TODO(hbos): Include RTCRemoteOutboundRtpStreamStats when implemented.
1171 // TODO(hbos): Include RTCRtpContributingSourceStats when implemented.
Jonas Olssona4d87372019-07-05 19:08:33 +02001172 RTCInboundRTPStreamStats::kType,
1173 RTCPeerConnectionStats::kType,
1174 RTCMediaStreamStats::kType,
1175 RTCDataChannelStats::kType,
Henrik Boström1df1bf82018-03-20 13:24:20 +01001176 };
Eldar Rello9276e2c2020-06-10 17:53:39 +03001177 RTCStatsReportVerifier(report.get()).VerifyReport(allowed_missing_stats);
Henrik Boström1df1bf82018-03-20 13:24:20 +01001178 EXPECT_TRUE(report->size());
1179}
1180
1181TEST_F(RTCStatsIntegrationTest, GetStatsWithReceiverSelector) {
1182 StartCall();
1183
1184 ASSERT_FALSE(caller_->pc()->GetReceivers().empty());
1185 rtc::scoped_refptr<const RTCStatsReport> report =
1186 GetStatsFromCaller(caller_->pc()->GetReceivers()[0]);
1187 std::vector<const char*> allowed_missing_stats = {
1188 // TODO(hbos): Include RTC[Audio/Video]SenderStats when implemented.
1189 // TODO(hbos): Include RTCRemoteInboundRtpStreamStats when implemented.
1190 // TODO(hbos): Include RTCRtpContributingSourceStats when implemented.
Jonas Olssona4d87372019-07-05 19:08:33 +02001191 RTCOutboundRTPStreamStats::kType,
1192 RTCPeerConnectionStats::kType,
1193 RTCMediaStreamStats::kType,
1194 RTCDataChannelStats::kType,
Henrik Boström1df1bf82018-03-20 13:24:20 +01001195 };
Eldar Rello9276e2c2020-06-10 17:53:39 +03001196 RTCStatsReportVerifier(report.get()).VerifyReport(allowed_missing_stats);
Henrik Boström1df1bf82018-03-20 13:24:20 +01001197 EXPECT_TRUE(report->size());
1198}
1199
1200TEST_F(RTCStatsIntegrationTest, GetStatsWithInvalidSenderSelector) {
1201 StartCall();
1202
1203 ASSERT_FALSE(callee_->pc()->GetSenders().empty());
1204 // The selector is invalid for the caller because it belongs to the callee.
1205 auto invalid_selector = callee_->pc()->GetSenders()[0];
1206 rtc::scoped_refptr<const RTCStatsReport> report =
1207 GetStatsFromCaller(invalid_selector);
1208 EXPECT_FALSE(report->size());
1209}
1210
1211TEST_F(RTCStatsIntegrationTest, GetStatsWithInvalidReceiverSelector) {
1212 StartCall();
1213
1214 ASSERT_FALSE(callee_->pc()->GetReceivers().empty());
1215 // The selector is invalid for the caller because it belongs to the callee.
1216 auto invalid_selector = callee_->pc()->GetReceivers()[0];
1217 rtc::scoped_refptr<const RTCStatsReport> report =
1218 GetStatsFromCaller(invalid_selector);
1219 EXPECT_FALSE(report->size());
1220}
1221
Yves Gerey59cfd352018-11-26 16:22:20 +01001222// TODO(bugs.webrtc.org/10041) For now this is equivalent to the following
1223// test GetsStatsWhileClosingPeerConnection, because pc() is closed by
1224// PeerConnectionTestWrapper. See: bugs.webrtc.org/9847
Yves Gereyb5bb5132018-11-14 18:00:14 +01001225TEST_F(RTCStatsIntegrationTest,
Yves Gerey59cfd352018-11-26 16:22:20 +01001226 DISABLED_GetStatsWhileDestroyingPeerConnection) {
hbosb78306a2016-12-19 05:06:57 -08001227 StartCall();
1228
1229 rtc::scoped_refptr<RTCStatsObtainer> stats_obtainer =
1230 RTCStatsObtainer::Create();
Niels Möllerafb246b2022-04-20 14:26:50 +02001231 caller_->pc()->GetStats(stats_obtainer.get());
hbosb78306a2016-12-19 05:06:57 -08001232 // This will destroy the peer connection.
1233 caller_ = nullptr;
1234 // Any pending stats requests should have completed in the act of destroying
1235 // the peer connection.
Steve Anton25cfeb92018-04-26 11:44:00 -07001236 ASSERT_TRUE(stats_obtainer->report());
Jianhui Daib1ba8532022-05-13 10:40:25 +08001237#if RTC_TRACE_EVENTS_ENABLED
Steve Anton25cfeb92018-04-26 11:44:00 -07001238 EXPECT_EQ(stats_obtainer->report()->ToJson(),
1239 RTCStatsReportTraceListener::last_trace());
Jianhui Daib1ba8532022-05-13 10:40:25 +08001240#endif
Steve Anton25cfeb92018-04-26 11:44:00 -07001241}
1242
1243TEST_F(RTCStatsIntegrationTest, GetsStatsWhileClosingPeerConnection) {
1244 StartCall();
1245
1246 rtc::scoped_refptr<RTCStatsObtainer> stats_obtainer =
1247 RTCStatsObtainer::Create();
Niels Möllerafb246b2022-04-20 14:26:50 +02001248 caller_->pc()->GetStats(stats_obtainer.get());
Steve Anton25cfeb92018-04-26 11:44:00 -07001249 caller_->pc()->Close();
1250
1251 ASSERT_TRUE(stats_obtainer->report());
Jianhui Daib1ba8532022-05-13 10:40:25 +08001252#if RTC_TRACE_EVENTS_ENABLED
ehmaldonado8ab0fd82017-09-04 14:35:04 -07001253 EXPECT_EQ(stats_obtainer->report()->ToJson(),
1254 RTCStatsReportTraceListener::last_trace());
Jianhui Daib1ba8532022-05-13 10:40:25 +08001255#endif
hbosb78306a2016-12-19 05:06:57 -08001256}
Henrik Boströmb6199362018-03-12 10:27:55 +01001257
1258// GetStatsReferencedIds() is optimized to recognize what is or isn't a
1259// referenced ID based on dictionary type information and knowing what members
1260// are used as references, as opposed to iterating all members to find the ones
1261// with the "Id" or "Ids" suffix. As such, GetStatsReferencedIds() is tested as
1262// an integration test instead of a unit test in order to guard against adding
1263// new references and forgetting to update GetStatsReferencedIds().
1264TEST_F(RTCStatsIntegrationTest, GetStatsReferencedIds) {
1265 StartCall();
1266
1267 rtc::scoped_refptr<const RTCStatsReport> report = GetStatsFromCallee();
1268 for (const RTCStats& stats : *report) {
1269 // Find all references by looking at all string members with the "Id" or
1270 // "Ids" suffix.
1271 std::set<const std::string*> expected_ids;
1272 for (const auto* member : stats.Members()) {
1273 if (!member->is_defined())
1274 continue;
1275 if (member->type() == RTCStatsMemberInterface::kString) {
Steve Anton68586e82018-12-13 17:41:25 -08001276 if (absl::EndsWith(member->name(), "Id")) {
Henrik Boströmb6199362018-03-12 10:27:55 +01001277 const auto& id = member->cast_to<const RTCStatsMember<std::string>>();
1278 expected_ids.insert(&(*id));
1279 }
1280 } else if (member->type() == RTCStatsMemberInterface::kSequenceString) {
Steve Anton68586e82018-12-13 17:41:25 -08001281 if (absl::EndsWith(member->name(), "Ids")) {
Henrik Boströmb6199362018-03-12 10:27:55 +01001282 const auto& ids =
1283 member->cast_to<const RTCStatsMember<std::vector<std::string>>>();
1284 for (const std::string& id : *ids)
1285 expected_ids.insert(&id);
1286 }
1287 }
1288 }
1289
1290 std::vector<const std::string*> neighbor_ids = GetStatsReferencedIds(stats);
1291 EXPECT_EQ(neighbor_ids.size(), expected_ids.size());
1292 for (const std::string* neighbor_id : neighbor_ids) {
Steve Anton64b626b2019-01-28 17:25:26 -08001293 EXPECT_THAT(expected_ids, Contains(neighbor_id));
Henrik Boströmb6199362018-03-12 10:27:55 +01001294 }
1295 for (const std::string* expected_id : expected_ids) {
Steve Anton64b626b2019-01-28 17:25:26 -08001296 EXPECT_THAT(neighbor_ids, Contains(expected_id));
Henrik Boströmb6199362018-03-12 10:27:55 +01001297 }
1298 }
1299}
Henrik Boström943ad972021-04-08 09:30:05 +02001300
1301TEST_F(RTCStatsIntegrationTest, GetStatsContainsNoDuplicateMembers) {
1302 StartCall();
1303
1304 rtc::scoped_refptr<const RTCStatsReport> report = GetStatsFromCallee();
1305 for (const RTCStats& stats : *report) {
1306 std::set<std::string> member_names;
1307 for (const auto* member : stats.Members()) {
1308 EXPECT_TRUE(member_names.find(member->name()) == member_names.end())
1309 << member->name() << " is a duplicate!";
1310 member_names.insert(member->name());
1311 }
1312 }
1313}
Mirko Bonadei5eb43b42021-01-18 13:24:40 +01001314#endif // WEBRTC_HAVE_SCTP
hbosb78306a2016-12-19 05:06:57 -08001315
hbosdb346a72016-11-29 01:57:01 -08001316} // namespace
1317
1318} // namespace webrtc