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Side by Side Diff: webrtc/api/statscollector_unittest.cc

Issue 2514883002: Create //webrtc/api:libjingle_peerconnection_api + refactorings. (Closed)
Patch Set: Added three headers for backwards-compatibility, specifically for building chromium. Created 4 years ago
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1 /*
2 * Copyright 2014 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
11 #include <stdio.h>
12
13 #include <algorithm>
14 #include <memory>
15
16 #include "webrtc/api/statscollector.h"
17
18 #include "webrtc/api/mediastream.h"
19 #include "webrtc/api/mediastreaminterface.h"
20 #include "webrtc/api/mediastreamtrack.h"
21 #include "webrtc/api/peerconnection.h"
22 #include "webrtc/api/peerconnectionfactory.h"
23 #include "webrtc/api/test/fakedatachannelprovider.h"
24 #include "webrtc/api/test/fakevideotracksource.h"
25 #include "webrtc/api/test/mock_peerconnection.h"
26 #include "webrtc/api/test/mock_webrtcsession.h"
27 #include "webrtc/api/videotrack.h"
28 #include "webrtc/base/base64.h"
29 #include "webrtc/base/fakesslidentity.h"
30 #include "webrtc/base/gunit.h"
31 #include "webrtc/base/network.h"
32 #include "webrtc/base/stringencode.h"
33 #include "webrtc/logging/rtc_event_log/rtc_event_log.h"
34 #include "webrtc/media/base/fakemediaengine.h"
35 #include "webrtc/media/base/test/mock_mediachannel.h"
36 #include "webrtc/p2p/base/faketransportcontroller.h"
37 #include "webrtc/pc/channelmanager.h"
38 #include "webrtc/test/gmock.h"
39 #include "webrtc/test/gtest.h"
40
41 using testing::_;
42 using testing::DoAll;
43 using testing::Field;
44 using testing::Return;
45 using testing::ReturnNull;
46 using testing::ReturnRef;
47 using testing::SetArgPointee;
48 using webrtc::PeerConnectionInterface;
49 using webrtc::StatsReport;
50 using webrtc::StatsReports;
51
52 namespace cricket {
53
54 class ChannelManager;
55
56 } // namespace cricket
57
58 namespace webrtc {
59
60 namespace internal {
61 // This value comes from openssl/tls1.h
62 static const int TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA = 0xC014;
63 } // namespace internal
64
65 // Error return values
66 const char kNotFound[] = "NOT FOUND";
67
68 // Constant names for track identification.
69 const char kLocalTrackId[] = "local_track_id";
70 const char kRemoteTrackId[] = "remote_track_id";
71 const uint32_t kSsrcOfTrack = 1234;
72
73 class FakeAudioProcessor : public webrtc::AudioProcessorInterface {
74 public:
75 FakeAudioProcessor() {}
76 ~FakeAudioProcessor() {}
77
78 private:
79 void GetStats(AudioProcessorInterface::AudioProcessorStats* stats) override {
80 stats->typing_noise_detected = true;
81 stats->echo_return_loss = 2;
82 stats->echo_return_loss_enhancement = 3;
83 stats->echo_delay_median_ms = 4;
84 stats->aec_quality_min = 5.1f;
85 stats->echo_delay_std_ms = 6;
86 }
87 };
88
89 class FakeAudioTrack
90 : public webrtc::MediaStreamTrack<webrtc::AudioTrackInterface> {
91 public:
92 explicit FakeAudioTrack(const std::string& id)
93 : webrtc::MediaStreamTrack<webrtc::AudioTrackInterface>(id),
94 processor_(new rtc::RefCountedObject<FakeAudioProcessor>()) {}
95 std::string kind() const override { return "audio"; }
96 webrtc::AudioSourceInterface* GetSource() const override { return NULL; }
97 void AddSink(webrtc::AudioTrackSinkInterface* sink) override {}
98 void RemoveSink(webrtc::AudioTrackSinkInterface* sink) override {}
99 bool GetSignalLevel(int* level) override {
100 *level = 1;
101 return true;
102 }
103 rtc::scoped_refptr<webrtc::AudioProcessorInterface> GetAudioProcessor()
104 override {
105 return processor_;
106 }
107
108 private:
109 rtc::scoped_refptr<FakeAudioProcessor> processor_;
110 };
111
112 // This fake audio processor is used to verify that the undesired initial values
113 // (-1) will be filtered out.
114 class FakeAudioProcessorWithInitValue : public webrtc::AudioProcessorInterface {
115 public:
116 FakeAudioProcessorWithInitValue() {}
117 ~FakeAudioProcessorWithInitValue() {}
118
119 private:
120 void GetStats(AudioProcessorInterface::AudioProcessorStats* stats) override {
121 stats->typing_noise_detected = false;
122 stats->echo_return_loss = -100;
123 stats->echo_return_loss_enhancement = -100;
124 stats->echo_delay_median_ms = -1;
125 stats->aec_quality_min = -1.0f;
126 stats->echo_delay_std_ms = -1;
127 }
128 };
129
130 class FakeAudioTrackWithInitValue
131 : public webrtc::MediaStreamTrack<webrtc::AudioTrackInterface> {
132 public:
133 explicit FakeAudioTrackWithInitValue(const std::string& id)
134 : webrtc::MediaStreamTrack<webrtc::AudioTrackInterface>(id),
135 processor_(
136 new rtc::RefCountedObject<FakeAudioProcessorWithInitValue>()) {}
137 std::string kind() const override { return "audio"; }
138 webrtc::AudioSourceInterface* GetSource() const override { return NULL; }
139 void AddSink(webrtc::AudioTrackSinkInterface* sink) override {}
140 void RemoveSink(webrtc::AudioTrackSinkInterface* sink) override {}
141 bool GetSignalLevel(int* level) override {
142 *level = 1;
143 return true;
144 }
145 rtc::scoped_refptr<webrtc::AudioProcessorInterface> GetAudioProcessor()
146 override {
147 return processor_;
148 }
149
150 private:
151 rtc::scoped_refptr<FakeAudioProcessorWithInitValue> processor_;
152 };
153
154 bool GetValue(const StatsReport* report,
155 StatsReport::StatsValueName name,
156 std::string* value) {
157 const StatsReport::Value* v = report->FindValue(name);
158 if (!v)
159 return false;
160 *value = v->ToString();
161 return true;
162 }
163
164 std::string ExtractStatsValue(const StatsReport::StatsType& type,
165 const StatsReports& reports,
166 StatsReport::StatsValueName name) {
167 for (const auto* r : reports) {
168 std::string ret;
169 if (r->type() == type && GetValue(r, name, &ret))
170 return ret;
171 }
172
173 return kNotFound;
174 }
175
176 StatsReport::Id TypedIdFromIdString(StatsReport::StatsType type,
177 const std::string& value) {
178 EXPECT_FALSE(value.empty());
179 StatsReport::Id id;
180 if (value.empty())
181 return id;
182
183 // This has assumptions about how the ID is constructed. As is, this is
184 // OK since this is for testing purposes only, but if we ever need this
185 // in production, we should add a generic method that does this.
186 size_t index = value.find('_');
187 EXPECT_NE(index, std::string::npos);
188 if (index == std::string::npos || index == (value.length() - 1))
189 return id;
190
191 id = StatsReport::NewTypedId(type, value.substr(index + 1));
192 EXPECT_EQ(id->ToString(), value);
193 return id;
194 }
195
196 StatsReport::Id IdFromCertIdString(const std::string& cert_id) {
197 return TypedIdFromIdString(StatsReport::kStatsReportTypeCertificate, cert_id);
198 }
199
200 // Finds the |n|-th report of type |type| in |reports|.
201 // |n| starts from 1 for finding the first report.
202 const StatsReport* FindNthReportByType(
203 const StatsReports& reports, const StatsReport::StatsType& type, int n) {
204 for (size_t i = 0; i < reports.size(); ++i) {
205 if (reports[i]->type() == type) {
206 n--;
207 if (n == 0)
208 return reports[i];
209 }
210 }
211 return nullptr;
212 }
213
214 const StatsReport* FindReportById(const StatsReports& reports,
215 const StatsReport::Id& id) {
216 for (const auto* r : reports) {
217 if (r->id()->Equals(id))
218 return r;
219 }
220 return nullptr;
221 }
222
223 std::string ExtractSsrcStatsValue(StatsReports reports,
224 StatsReport::StatsValueName name) {
225 return ExtractStatsValue(StatsReport::kStatsReportTypeSsrc, reports, name);
226 }
227
228 std::string ExtractBweStatsValue(StatsReports reports,
229 StatsReport::StatsValueName name) {
230 return ExtractStatsValue(
231 StatsReport::kStatsReportTypeBwe, reports, name);
232 }
233
234 std::string DerToPem(const std::string& der) {
235 return rtc::SSLIdentity::DerToPem(
236 rtc::kPemTypeCertificate,
237 reinterpret_cast<const unsigned char*>(der.c_str()),
238 der.length());
239 }
240
241 std::vector<std::string> DersToPems(
242 const std::vector<std::string>& ders) {
243 std::vector<std::string> pems(ders.size());
244 std::transform(ders.begin(), ders.end(), pems.begin(), DerToPem);
245 return pems;
246 }
247
248 void CheckCertChainReports(const StatsReports& reports,
249 const std::vector<std::string>& ders,
250 const StatsReport::Id& start_id) {
251 StatsReport::Id cert_id;
252 const StatsReport::Id* certificate_id = &start_id;
253 size_t i = 0;
254 while (true) {
255 const StatsReport* report = FindReportById(reports, *certificate_id);
256 ASSERT_TRUE(report != NULL);
257
258 std::string der_base64;
259 EXPECT_TRUE(GetValue(
260 report, StatsReport::kStatsValueNameDer, &der_base64));
261 std::string der = rtc::Base64::Decode(der_base64, rtc::Base64::DO_STRICT);
262 EXPECT_EQ(ders[i], der);
263
264 std::string fingerprint_algorithm;
265 EXPECT_TRUE(GetValue(
266 report,
267 StatsReport::kStatsValueNameFingerprintAlgorithm,
268 &fingerprint_algorithm));
269 // The digest algorithm for a FakeSSLCertificate is always SHA-1.
270 std::string sha_1_str = rtc::DIGEST_SHA_1;
271 EXPECT_EQ(sha_1_str, fingerprint_algorithm);
272
273 std::string fingerprint;
274 EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameFingerprint,
275 &fingerprint));
276 EXPECT_FALSE(fingerprint.empty());
277
278 ++i;
279 std::string issuer_id;
280 if (!GetValue(report, StatsReport::kStatsValueNameIssuerId,
281 &issuer_id)) {
282 break;
283 }
284
285 cert_id = IdFromCertIdString(issuer_id);
286 certificate_id = &cert_id;
287 }
288 EXPECT_EQ(ders.size(), i);
289 }
290
291 void VerifyVoiceReceiverInfoReport(
292 const StatsReport* report,
293 const cricket::VoiceReceiverInfo& info) {
294 std::string value_in_report;
295 EXPECT_TRUE(GetValue(
296 report, StatsReport::kStatsValueNameAudioOutputLevel, &value_in_report));
297 EXPECT_EQ(rtc::ToString<int>(info.audio_level), value_in_report);
298 EXPECT_TRUE(GetValue(
299 report, StatsReport::kStatsValueNameBytesReceived, &value_in_report));
300 EXPECT_EQ(rtc::ToString<int64_t>(info.bytes_rcvd), value_in_report);
301 EXPECT_TRUE(GetValue(
302 report, StatsReport::kStatsValueNameJitterReceived, &value_in_report));
303 EXPECT_EQ(rtc::ToString<int>(info.jitter_ms), value_in_report);
304 EXPECT_TRUE(GetValue(
305 report, StatsReport::kStatsValueNameJitterBufferMs, &value_in_report));
306 EXPECT_EQ(rtc::ToString<int>(info.jitter_buffer_ms), value_in_report);
307 EXPECT_TRUE(GetValue(
308 report, StatsReport::kStatsValueNamePreferredJitterBufferMs,
309 &value_in_report));
310 EXPECT_EQ(rtc::ToString<int>(info.jitter_buffer_preferred_ms),
311 value_in_report);
312 EXPECT_TRUE(GetValue(
313 report, StatsReport::kStatsValueNameCurrentDelayMs, &value_in_report));
314 EXPECT_EQ(rtc::ToString<int>(info.delay_estimate_ms), value_in_report);
315 EXPECT_TRUE(GetValue(
316 report, StatsReport::kStatsValueNameExpandRate, &value_in_report));
317 EXPECT_EQ(rtc::ToString<float>(info.expand_rate), value_in_report);
318 EXPECT_TRUE(GetValue(
319 report, StatsReport::kStatsValueNameSpeechExpandRate, &value_in_report));
320 EXPECT_EQ(rtc::ToString<float>(info.speech_expand_rate), value_in_report);
321 EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameAccelerateRate,
322 &value_in_report));
323 EXPECT_EQ(rtc::ToString<float>(info.accelerate_rate), value_in_report);
324 EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNamePreemptiveExpandRate,
325 &value_in_report));
326 EXPECT_EQ(rtc::ToString<float>(info.preemptive_expand_rate), value_in_report);
327 EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameSecondaryDecodedRate,
328 &value_in_report));
329 EXPECT_EQ(rtc::ToString<float>(info.secondary_decoded_rate), value_in_report);
330 EXPECT_TRUE(GetValue(
331 report, StatsReport::kStatsValueNamePacketsReceived, &value_in_report));
332 EXPECT_EQ(rtc::ToString<int>(info.packets_rcvd), value_in_report);
333 EXPECT_TRUE(GetValue(
334 report, StatsReport::kStatsValueNameDecodingCTSG, &value_in_report));
335 EXPECT_EQ(rtc::ToString<int>(info.decoding_calls_to_silence_generator),
336 value_in_report);
337 EXPECT_TRUE(GetValue(
338 report, StatsReport::kStatsValueNameDecodingCTN, &value_in_report));
339 EXPECT_EQ(rtc::ToString<int>(info.decoding_calls_to_neteq),
340 value_in_report);
341 EXPECT_TRUE(GetValue(
342 report, StatsReport::kStatsValueNameDecodingNormal, &value_in_report));
343 EXPECT_EQ(rtc::ToString<int>(info.decoding_normal), value_in_report);
344 EXPECT_TRUE(GetValue(
345 report, StatsReport::kStatsValueNameDecodingPLC, &value_in_report));
346 EXPECT_EQ(rtc::ToString<int>(info.decoding_plc), value_in_report);
347 EXPECT_TRUE(GetValue(
348 report, StatsReport::kStatsValueNameDecodingCNG, &value_in_report));
349 EXPECT_EQ(rtc::ToString<int>(info.decoding_cng), value_in_report);
350 EXPECT_TRUE(GetValue(
351 report, StatsReport::kStatsValueNameDecodingPLCCNG, &value_in_report));
352 EXPECT_EQ(rtc::ToString<int>(info.decoding_plc_cng), value_in_report);
353 EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameDecodingMutedOutput,
354 &value_in_report));
355 EXPECT_EQ(rtc::ToString<int>(info.decoding_muted_output), value_in_report);
356 EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameCodecName,
357 &value_in_report));
358 }
359
360
361 void VerifyVoiceSenderInfoReport(const StatsReport* report,
362 const cricket::VoiceSenderInfo& sinfo) {
363 std::string value_in_report;
364 EXPECT_TRUE(GetValue(
365 report, StatsReport::kStatsValueNameCodecName, &value_in_report));
366 EXPECT_EQ(sinfo.codec_name, value_in_report);
367 EXPECT_TRUE(GetValue(
368 report, StatsReport::kStatsValueNameBytesSent, &value_in_report));
369 EXPECT_EQ(rtc::ToString<int64_t>(sinfo.bytes_sent), value_in_report);
370 EXPECT_TRUE(GetValue(
371 report, StatsReport::kStatsValueNamePacketsSent, &value_in_report));
372 EXPECT_EQ(rtc::ToString<int>(sinfo.packets_sent), value_in_report);
373 EXPECT_TRUE(GetValue(
374 report, StatsReport::kStatsValueNamePacketsLost, &value_in_report));
375 EXPECT_EQ(rtc::ToString<int>(sinfo.packets_lost), value_in_report);
376 EXPECT_TRUE(GetValue(
377 report, StatsReport::kStatsValueNameRtt, &value_in_report));
378 EXPECT_EQ(rtc::ToString<int>(sinfo.rtt_ms), value_in_report);
379 EXPECT_TRUE(GetValue(
380 report, StatsReport::kStatsValueNameRtt, &value_in_report));
381 EXPECT_EQ(rtc::ToString<int>(sinfo.rtt_ms), value_in_report);
382 EXPECT_TRUE(GetValue(
383 report, StatsReport::kStatsValueNameJitterReceived, &value_in_report));
384 EXPECT_EQ(rtc::ToString<int>(sinfo.jitter_ms), value_in_report);
385 EXPECT_TRUE(GetValue(
386 report, StatsReport::kStatsValueNameEchoCancellationQualityMin,
387 &value_in_report));
388 EXPECT_EQ(rtc::ToString<float>(sinfo.aec_quality_min), value_in_report);
389 EXPECT_TRUE(GetValue(
390 report, StatsReport::kStatsValueNameEchoDelayMedian, &value_in_report));
391 EXPECT_EQ(rtc::ToString<int>(sinfo.echo_delay_median_ms),
392 value_in_report);
393 EXPECT_TRUE(GetValue(
394 report, StatsReport::kStatsValueNameEchoDelayStdDev, &value_in_report));
395 EXPECT_EQ(rtc::ToString<int>(sinfo.echo_delay_std_ms),
396 value_in_report);
397 EXPECT_TRUE(GetValue(
398 report, StatsReport::kStatsValueNameEchoReturnLoss, &value_in_report));
399 EXPECT_EQ(rtc::ToString<int>(sinfo.echo_return_loss),
400 value_in_report);
401 EXPECT_TRUE(GetValue(
402 report, StatsReport::kStatsValueNameEchoReturnLossEnhancement,
403 &value_in_report));
404 EXPECT_EQ(rtc::ToString<int>(sinfo.echo_return_loss_enhancement),
405 value_in_report);
406 EXPECT_TRUE(GetValue(report,
407 StatsReport::kStatsValueNameResidualEchoLikelihood,
408 &value_in_report));
409 EXPECT_EQ(rtc::ToString<float>(sinfo.residual_echo_likelihood),
410 value_in_report);
411 EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameAudioInputLevel,
412 &value_in_report));
413 EXPECT_EQ(rtc::ToString<int>(sinfo.audio_level), value_in_report);
414 EXPECT_TRUE(GetValue(
415 report, StatsReport::kStatsValueNameTypingNoiseState, &value_in_report));
416 std::string typing_detected = sinfo.typing_noise_detected ? "true" : "false";
417 EXPECT_EQ(typing_detected, value_in_report);
418 }
419
420 // Helper methods to avoid duplication of code.
421 void InitVoiceSenderInfo(cricket::VoiceSenderInfo* voice_sender_info) {
422 voice_sender_info->add_ssrc(kSsrcOfTrack);
423 voice_sender_info->codec_name = "fake_codec";
424 voice_sender_info->bytes_sent = 100;
425 voice_sender_info->packets_sent = 101;
426 voice_sender_info->rtt_ms = 102;
427 voice_sender_info->fraction_lost = 103;
428 voice_sender_info->jitter_ms = 104;
429 voice_sender_info->packets_lost = 105;
430 voice_sender_info->ext_seqnum = 106;
431 voice_sender_info->audio_level = 107;
432 voice_sender_info->echo_return_loss = 108;
433 voice_sender_info->echo_return_loss_enhancement = 109;
434 voice_sender_info->echo_delay_median_ms = 110;
435 voice_sender_info->echo_delay_std_ms = 111;
436 voice_sender_info->aec_quality_min = 112.0f;
437 voice_sender_info->typing_noise_detected = false;
438 }
439
440 void UpdateVoiceSenderInfoFromAudioTrack(
441 AudioTrackInterface* audio_track,
442 cricket::VoiceSenderInfo* voice_sender_info) {
443 audio_track->GetSignalLevel(&voice_sender_info->audio_level);
444 webrtc::AudioProcessorInterface::AudioProcessorStats audio_processor_stats;
445 audio_track->GetAudioProcessor()->GetStats(&audio_processor_stats);
446 voice_sender_info->typing_noise_detected =
447 audio_processor_stats.typing_noise_detected;
448 voice_sender_info->echo_return_loss = audio_processor_stats.echo_return_loss;
449 voice_sender_info->echo_return_loss_enhancement =
450 audio_processor_stats.echo_return_loss_enhancement;
451 voice_sender_info->echo_delay_median_ms =
452 audio_processor_stats.echo_delay_median_ms;
453 voice_sender_info->aec_quality_min = audio_processor_stats.aec_quality_min;
454 voice_sender_info->echo_delay_std_ms =
455 audio_processor_stats.echo_delay_std_ms;
456 }
457
458 void InitVoiceReceiverInfo(cricket::VoiceReceiverInfo* voice_receiver_info) {
459 voice_receiver_info->add_ssrc(kSsrcOfTrack);
460 voice_receiver_info->bytes_rcvd = 110;
461 voice_receiver_info->packets_rcvd = 111;
462 voice_receiver_info->packets_lost = 112;
463 voice_receiver_info->fraction_lost = 113;
464 voice_receiver_info->packets_lost = 114;
465 voice_receiver_info->ext_seqnum = 115;
466 voice_receiver_info->jitter_ms = 116;
467 voice_receiver_info->jitter_buffer_ms = 117;
468 voice_receiver_info->jitter_buffer_preferred_ms = 118;
469 voice_receiver_info->delay_estimate_ms = 119;
470 voice_receiver_info->audio_level = 120;
471 voice_receiver_info->expand_rate = 121;
472 voice_receiver_info->speech_expand_rate = 122;
473 voice_receiver_info->secondary_decoded_rate = 123;
474 voice_receiver_info->accelerate_rate = 124;
475 voice_receiver_info->preemptive_expand_rate = 125;
476 }
477
478 class StatsCollectorForTest : public webrtc::StatsCollector {
479 public:
480 explicit StatsCollectorForTest(PeerConnection* pc)
481 : StatsCollector(pc), time_now_(19477) {}
482
483 double GetTimeNow() override {
484 return time_now_;
485 }
486
487 private:
488 double time_now_;
489 };
490
491 class StatsCollectorTest : public testing::Test {
492 protected:
493 StatsCollectorTest()
494 : worker_thread_(rtc::Thread::Current()),
495 network_thread_(rtc::Thread::Current()),
496 media_engine_(new cricket::FakeMediaEngine()),
497 channel_manager_(new cricket::ChannelManager(media_engine_,
498 worker_thread_,
499 network_thread_)),
500 media_controller_(
501 webrtc::MediaControllerInterface::Create(cricket::MediaConfig(),
502 worker_thread_,
503 channel_manager_.get(),
504 &event_log_)),
505 session_(media_controller_.get()) {
506 // By default, we ignore session GetStats calls.
507 EXPECT_CALL(session_, GetTransportStats(_)).WillRepeatedly(Return(false));
508 // Add default returns for mock classes.
509 EXPECT_CALL(session_, video_channel()).WillRepeatedly(ReturnNull());
510 EXPECT_CALL(session_, voice_channel()).WillRepeatedly(ReturnNull());
511 EXPECT_CALL(pc_, session()).WillRepeatedly(Return(&session_));
512 EXPECT_CALL(pc_, sctp_data_channels())
513 .WillRepeatedly(ReturnRef(data_channels_));
514 }
515
516 ~StatsCollectorTest() {}
517
518 // This creates a standard setup with a transport called "trspname"
519 // having one transport channel
520 // and the specified virtual connection name.
521 void InitSessionStats(const std::string& vc_name) {
522 const std::string kTransportName("trspname");
523 cricket::TransportStats transport_stats;
524 cricket::TransportChannelStats channel_stats;
525 channel_stats.component = 1;
526 transport_stats.transport_name = kTransportName;
527 transport_stats.channel_stats.push_back(channel_stats);
528
529 session_stats_.transport_stats[kTransportName] = transport_stats;
530 session_stats_.proxy_to_transport[vc_name] = kTransportName;
531 }
532
533 // Adds a outgoing video track with a given SSRC into the stats.
534 void AddOutgoingVideoTrackStats() {
535 stream_ = webrtc::MediaStream::Create("streamlabel");
536 track_ = webrtc::VideoTrack::Create(kLocalTrackId,
537 webrtc::FakeVideoTrackSource::Create());
538 stream_->AddTrack(track_);
539 EXPECT_CALL(session_, GetLocalTrackIdBySsrc(kSsrcOfTrack, _))
540 .WillRepeatedly(DoAll(SetArgPointee<1>(kLocalTrackId), Return(true)));
541 }
542
543 // Adds a incoming video track with a given SSRC into the stats.
544 void AddIncomingVideoTrackStats() {
545 stream_ = webrtc::MediaStream::Create("streamlabel");
546 track_ = webrtc::VideoTrack::Create(kRemoteTrackId,
547 webrtc::FakeVideoTrackSource::Create());
548 stream_->AddTrack(track_);
549 EXPECT_CALL(session_, GetRemoteTrackIdBySsrc(kSsrcOfTrack, _))
550 .WillRepeatedly(DoAll(SetArgPointee<1>(kRemoteTrackId), Return(true)));
551 }
552
553 // Adds a outgoing audio track with a given SSRC into the stats.
554 void AddOutgoingAudioTrackStats() {
555 if (stream_ == NULL)
556 stream_ = webrtc::MediaStream::Create("streamlabel");
557
558 audio_track_ = new rtc::RefCountedObject<FakeAudioTrack>(
559 kLocalTrackId);
560 stream_->AddTrack(audio_track_);
561 EXPECT_CALL(session_, GetLocalTrackIdBySsrc(kSsrcOfTrack, _))
562 .WillOnce(DoAll(SetArgPointee<1>(kLocalTrackId), Return(true)));
563 }
564
565 // Adds a incoming audio track with a given SSRC into the stats.
566 void AddIncomingAudioTrackStats() {
567 if (stream_ == NULL)
568 stream_ = webrtc::MediaStream::Create("streamlabel");
569
570 audio_track_ = new rtc::RefCountedObject<FakeAudioTrack>(
571 kRemoteTrackId);
572 stream_->AddTrack(audio_track_);
573 EXPECT_CALL(session_, GetRemoteTrackIdBySsrc(kSsrcOfTrack, _))
574 .WillOnce(DoAll(SetArgPointee<1>(kRemoteTrackId), Return(true)));
575 }
576
577 void AddDataChannel(cricket::DataChannelType type,
578 const std::string& label,
579 int id) {
580 InternalDataChannelInit config;
581 config.id = id;
582
583 data_channels_.push_back(DataChannel::Create(
584 &data_channel_provider_, cricket::DCT_SCTP, label, config));
585 }
586
587 StatsReport* AddCandidateReport(StatsCollector* collector,
588 const cricket::Candidate& candidate,
589 bool local) {
590 return collector->AddCandidateReport(candidate, local);
591 }
592
593 void SetupAndVerifyAudioTrackStats(
594 FakeAudioTrack* audio_track,
595 webrtc::MediaStream* stream,
596 webrtc::StatsCollector* stats,
597 cricket::VoiceChannel* voice_channel,
598 const std::string& vc_name,
599 MockVoiceMediaChannel* media_channel,
600 cricket::VoiceSenderInfo* voice_sender_info,
601 cricket::VoiceReceiverInfo* voice_receiver_info,
602 cricket::VoiceMediaInfo* stats_read,
603 StatsReports* reports) {
604 // A track can't have both sender report and recv report at the same time
605 // for now, this might change in the future though.
606 ASSERT((voice_sender_info == NULL) ^ (voice_receiver_info == NULL));
607
608 // Instruct the session to return stats containing the transport channel.
609 InitSessionStats(vc_name);
610 EXPECT_CALL(session_, GetTransportStats(_))
611 .WillRepeatedly(DoAll(SetArgPointee<0>(session_stats_),
612 Return(true)));
613
614 // Constructs an ssrc stats update.
615 if (voice_sender_info)
616 stats_read->senders.push_back(*voice_sender_info);
617 if (voice_receiver_info)
618 stats_read->receivers.push_back(*voice_receiver_info);
619
620 EXPECT_CALL(session_, voice_channel()).WillRepeatedly(
621 Return(voice_channel));
622 EXPECT_CALL(session_, video_channel()).WillRepeatedly(ReturnNull());
623 EXPECT_CALL(*media_channel, GetStats(_))
624 .WillOnce(DoAll(SetArgPointee<0>(*stats_read), Return(true)));
625
626 stats->UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard);
627 stats->ClearUpdateStatsCacheForTest();
628 stats->GetStats(NULL, reports);
629
630 // Verify the existence of the track report.
631 const StatsReport* report = FindNthReportByType(
632 *reports, StatsReport::kStatsReportTypeSsrc, 1);
633 EXPECT_FALSE(report == NULL);
634 EXPECT_EQ(stats->GetTimeNow(), report->timestamp());
635 std::string track_id = ExtractSsrcStatsValue(
636 *reports, StatsReport::kStatsValueNameTrackId);
637 EXPECT_EQ(audio_track->id(), track_id);
638 std::string ssrc_id = ExtractSsrcStatsValue(
639 *reports, StatsReport::kStatsValueNameSsrc);
640 EXPECT_EQ(rtc::ToString<uint32_t>(kSsrcOfTrack), ssrc_id);
641
642 std::string media_type = ExtractSsrcStatsValue(*reports,
643 StatsReport::kStatsValueNameMediaType);
644 EXPECT_EQ("audio", media_type);
645
646 // Verifies the values in the track report.
647 if (voice_sender_info) {
648 UpdateVoiceSenderInfoFromAudioTrack(audio_track, voice_sender_info);
649 VerifyVoiceSenderInfoReport(report, *voice_sender_info);
650 }
651 if (voice_receiver_info) {
652 VerifyVoiceReceiverInfoReport(report, *voice_receiver_info);
653 }
654
655 // Verify we get the same result by passing a track to GetStats().
656 StatsReports track_reports; // returned values.
657 stats->GetStats(audio_track, &track_reports);
658 const StatsReport* track_report = FindNthReportByType(
659 track_reports, StatsReport::kStatsReportTypeSsrc, 1);
660 EXPECT_TRUE(track_report);
661 EXPECT_EQ(stats->GetTimeNow(), track_report->timestamp());
662 track_id = ExtractSsrcStatsValue(track_reports,
663 StatsReport::kStatsValueNameTrackId);
664 EXPECT_EQ(audio_track->id(), track_id);
665 ssrc_id = ExtractSsrcStatsValue(track_reports,
666 StatsReport::kStatsValueNameSsrc);
667 EXPECT_EQ(rtc::ToString<uint32_t>(kSsrcOfTrack), ssrc_id);
668 if (voice_sender_info)
669 VerifyVoiceSenderInfoReport(track_report, *voice_sender_info);
670 if (voice_receiver_info)
671 VerifyVoiceReceiverInfoReport(track_report, *voice_receiver_info);
672 }
673
674 void TestCertificateReports(
675 const rtc::FakeSSLCertificate& local_cert,
676 const std::vector<std::string>& local_ders,
677 std::unique_ptr<rtc::FakeSSLCertificate> remote_cert,
678 const std::vector<std::string>& remote_ders) {
679 StatsCollectorForTest stats(&pc_);
680
681 StatsReports reports; // returned values.
682
683 // Fake stats to process.
684 cricket::TransportChannelStats channel_stats;
685 channel_stats.component = 1;
686 channel_stats.srtp_crypto_suite = rtc::SRTP_AES128_CM_SHA1_80;
687 channel_stats.ssl_cipher_suite =
688 internal::TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA;
689
690 cricket::TransportStats transport_stats;
691 transport_stats.transport_name = "audio";
692 transport_stats.channel_stats.push_back(channel_stats);
693
694 SessionStats session_stats;
695 session_stats.transport_stats[transport_stats.transport_name] =
696 transport_stats;
697
698 // Fake certificate to report
699 rtc::scoped_refptr<rtc::RTCCertificate> local_certificate(
700 rtc::RTCCertificate::Create(std::unique_ptr<rtc::FakeSSLIdentity>(
701 new rtc::FakeSSLIdentity(local_cert))));
702
703 // Configure MockWebRtcSession
704 EXPECT_CALL(session_,
705 GetLocalCertificate(transport_stats.transport_name, _))
706 .WillOnce(DoAll(SetArgPointee<1>(local_certificate), Return(true)));
707 EXPECT_CALL(session_, GetRemoteSSLCertificate_ReturnsRawPointer(
708 transport_stats.transport_name))
709 .WillOnce(Return(remote_cert.release()));
710 EXPECT_CALL(session_, GetTransportStats(_))
711 .WillOnce(DoAll(SetArgPointee<0>(session_stats),
712 Return(true)));
713
714 stats.UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard);
715
716 stats.GetStats(NULL, &reports);
717
718 const StatsReport* channel_report = FindNthReportByType(
719 reports, StatsReport::kStatsReportTypeComponent, 1);
720 EXPECT_TRUE(channel_report != NULL);
721
722 // Check local certificate chain.
723 std::string local_certificate_id = ExtractStatsValue(
724 StatsReport::kStatsReportTypeComponent,
725 reports,
726 StatsReport::kStatsValueNameLocalCertificateId);
727 if (local_ders.size() > 0) {
728 EXPECT_NE(kNotFound, local_certificate_id);
729 StatsReport::Id id(IdFromCertIdString(local_certificate_id));
730 CheckCertChainReports(reports, local_ders, id);
731 } else {
732 EXPECT_EQ(kNotFound, local_certificate_id);
733 }
734
735 // Check remote certificate chain.
736 std::string remote_certificate_id = ExtractStatsValue(
737 StatsReport::kStatsReportTypeComponent,
738 reports,
739 StatsReport::kStatsValueNameRemoteCertificateId);
740 if (remote_ders.size() > 0) {
741 EXPECT_NE(kNotFound, remote_certificate_id);
742 StatsReport::Id id(IdFromCertIdString(remote_certificate_id));
743 CheckCertChainReports(reports, remote_ders, id);
744 } else {
745 EXPECT_EQ(kNotFound, remote_certificate_id);
746 }
747
748 // Check negotiated ciphers.
749 std::string dtls_cipher_suite =
750 ExtractStatsValue(StatsReport::kStatsReportTypeComponent, reports,
751 StatsReport::kStatsValueNameDtlsCipher);
752 EXPECT_EQ(rtc::SSLStreamAdapter::SslCipherSuiteToName(
753 internal::TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA),
754 dtls_cipher_suite);
755 std::string srtp_crypto_suite =
756 ExtractStatsValue(StatsReport::kStatsReportTypeComponent, reports,
757 StatsReport::kStatsValueNameSrtpCipher);
758 EXPECT_EQ(rtc::SrtpCryptoSuiteToName(rtc::SRTP_AES128_CM_SHA1_80),
759 srtp_crypto_suite);
760 }
761
762 webrtc::RtcEventLogNullImpl event_log_;
763 rtc::Thread* const worker_thread_;
764 rtc::Thread* const network_thread_;
765 cricket::FakeMediaEngine* media_engine_;
766 std::unique_ptr<cricket::ChannelManager> channel_manager_;
767 std::unique_ptr<webrtc::MediaControllerInterface> media_controller_;
768 MockWebRtcSession session_;
769 MockPeerConnection pc_;
770 FakeDataChannelProvider data_channel_provider_;
771 SessionStats session_stats_;
772 rtc::scoped_refptr<webrtc::MediaStream> stream_;
773 rtc::scoped_refptr<webrtc::VideoTrack> track_;
774 rtc::scoped_refptr<FakeAudioTrack> audio_track_;
775 std::vector<rtc::scoped_refptr<DataChannel>> data_channels_;
776 };
777
778 TEST_F(StatsCollectorTest, FilterOutNegativeDataChannelId) {
779 const std::string label = "hacks";
780 // The data channel id is from the Config which is -1 initially.
781 const int id = -1;
782 const std::string state = DataChannelInterface::DataStateString(
783 DataChannelInterface::DataState::kConnecting);
784
785 AddDataChannel(cricket::DCT_SCTP, label, id);
786 StatsCollectorForTest stats(&pc_);
787
788 stats.UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard);
789
790 StatsReports reports;
791 stats.GetStats(NULL, &reports);
792
793 const StatsReport* report =
794 FindNthReportByType(reports, StatsReport::kStatsReportTypeDataChannel, 1);
795
796 std::string value_in_report;
797 EXPECT_FALSE(GetValue(report, StatsReport::kStatsValueNameDataChannelId,
798 &value_in_report));
799 }
800
801 // Verify that ExtractDataInfo populates reports.
802 TEST_F(StatsCollectorTest, ExtractDataInfo) {
803 const std::string label = "hacks";
804 const int id = 31337;
805 const std::string state = DataChannelInterface::DataStateString(
806 DataChannelInterface::DataState::kConnecting);
807
808 AddDataChannel(cricket::DCT_SCTP, label, id);
809 StatsCollectorForTest stats(&pc_);
810
811 stats.UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard);
812
813 StatsReports reports;
814 stats.GetStats(NULL, &reports);
815
816 const StatsReport* report =
817 FindNthReportByType(reports, StatsReport::kStatsReportTypeDataChannel, 1);
818
819 StatsReport::Id reportId = StatsReport::NewTypedIntId(
820 StatsReport::kStatsReportTypeDataChannel, id);
821
822 EXPECT_TRUE(reportId->Equals(report->id()));
823
824 EXPECT_EQ(stats.GetTimeNow(), report->timestamp());
825 EXPECT_EQ(label, ExtractStatsValue(StatsReport::kStatsReportTypeDataChannel,
826 reports,
827 StatsReport::kStatsValueNameLabel));
828 EXPECT_EQ(rtc::ToString<int64_t>(id),
829 ExtractStatsValue(StatsReport::kStatsReportTypeDataChannel, reports,
830 StatsReport::kStatsValueNameDataChannelId));
831 EXPECT_EQ(state, ExtractStatsValue(StatsReport::kStatsReportTypeDataChannel,
832 reports,
833 StatsReport::kStatsValueNameState));
834 EXPECT_EQ("", ExtractStatsValue(StatsReport::kStatsReportTypeDataChannel,
835 reports,
836 StatsReport::kStatsValueNameProtocol));
837 }
838
839 // This test verifies that 64-bit counters are passed successfully.
840 TEST_F(StatsCollectorTest, BytesCounterHandles64Bits) {
841 StatsCollectorForTest stats(&pc_);
842
843 EXPECT_CALL(session_, GetLocalCertificate(_, _))
844 .WillRepeatedly(Return(false));
845 EXPECT_CALL(session_, GetRemoteSSLCertificate_ReturnsRawPointer(_))
846 .WillRepeatedly(Return(nullptr));
847
848 const char kVideoChannelName[] = "video";
849
850 InitSessionStats(kVideoChannelName);
851 EXPECT_CALL(session_, GetTransportStats(_))
852 .WillRepeatedly(DoAll(SetArgPointee<0>(session_stats_),
853 Return(true)));
854
855 MockVideoMediaChannel* media_channel = new MockVideoMediaChannel();
856 cricket::VideoChannel video_channel(worker_thread_, network_thread_,
857 media_channel, nullptr, kVideoChannelName,
858 false);
859 StatsReports reports; // returned values.
860 cricket::VideoSenderInfo video_sender_info;
861 cricket::VideoMediaInfo stats_read;
862 // The number of bytes must be larger than 0xFFFFFFFF for this test.
863 const int64_t kBytesSent = 12345678901234LL;
864 const std::string kBytesSentString("12345678901234");
865
866 AddOutgoingVideoTrackStats();
867 stats.AddStream(stream_);
868
869 // Construct a stats value to read.
870 video_sender_info.add_ssrc(1234);
871 video_sender_info.bytes_sent = kBytesSent;
872 stats_read.senders.push_back(video_sender_info);
873
874 EXPECT_CALL(session_, video_channel()).WillRepeatedly(Return(&video_channel));
875 EXPECT_CALL(session_, voice_channel()).WillRepeatedly(ReturnNull());
876 EXPECT_CALL(*media_channel, GetStats(_))
877 .WillOnce(DoAll(SetArgPointee<0>(stats_read),
878 Return(true)));
879 stats.UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard);
880 stats.GetStats(NULL, &reports);
881 std::string result = ExtractSsrcStatsValue(reports,
882 StatsReport::kStatsValueNameBytesSent);
883 EXPECT_EQ(kBytesSentString, result);
884 }
885
886 // Test that BWE information is reported via stats.
887 TEST_F(StatsCollectorTest, BandwidthEstimationInfoIsReported) {
888 StatsCollectorForTest stats(&pc_);
889
890 EXPECT_CALL(session_, GetLocalCertificate(_, _))
891 .WillRepeatedly(Return(false));
892 EXPECT_CALL(session_, GetRemoteSSLCertificate_ReturnsRawPointer(_))
893 .WillRepeatedly(Return(nullptr));
894
895 const char kVideoChannelName[] = "video";
896
897 InitSessionStats(kVideoChannelName);
898 EXPECT_CALL(session_, GetTransportStats(_))
899 .WillRepeatedly(DoAll(SetArgPointee<0>(session_stats_),
900 Return(true)));
901
902 MockVideoMediaChannel* media_channel = new MockVideoMediaChannel();
903 cricket::VideoChannel video_channel(worker_thread_, network_thread_,
904 media_channel, nullptr, kVideoChannelName,
905 false);
906
907 StatsReports reports; // returned values.
908 cricket::VideoSenderInfo video_sender_info;
909 cricket::VideoMediaInfo stats_read;
910 // Set up an SSRC just to test that we get both kinds of stats back: SSRC and
911 // BWE.
912 const int64_t kBytesSent = 12345678901234LL;
913 const std::string kBytesSentString("12345678901234");
914
915 AddOutgoingVideoTrackStats();
916 stats.AddStream(stream_);
917
918 // Construct a stats value to read.
919 video_sender_info.add_ssrc(1234);
920 video_sender_info.bytes_sent = kBytesSent;
921 stats_read.senders.push_back(video_sender_info);
922 cricket::BandwidthEstimationInfo bwe;
923 const int kTargetEncBitrate = 123456;
924 const std::string kTargetEncBitrateString("123456");
925 bwe.target_enc_bitrate = kTargetEncBitrate;
926 stats_read.bw_estimations.push_back(bwe);
927
928 EXPECT_CALL(session_, video_channel()).WillRepeatedly(Return(&video_channel));
929 EXPECT_CALL(session_, voice_channel()).WillRepeatedly(ReturnNull());
930 EXPECT_CALL(*media_channel, GetStats(_))
931 .WillOnce(DoAll(SetArgPointee<0>(stats_read), Return(true)));
932
933 stats.UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard);
934 stats.GetStats(NULL, &reports);
935 std::string result = ExtractSsrcStatsValue(reports,
936 StatsReport::kStatsValueNameBytesSent);
937 EXPECT_EQ(kBytesSentString, result);
938 result = ExtractBweStatsValue(reports,
939 StatsReport::kStatsValueNameTargetEncBitrate);
940 EXPECT_EQ(kTargetEncBitrateString, result);
941 }
942
943 // This test verifies that an object of type "googSession" always
944 // exists in the returned stats.
945 TEST_F(StatsCollectorTest, SessionObjectExists) {
946 StatsCollectorForTest stats(&pc_);
947
948 StatsReports reports; // returned values.
949 stats.UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard);
950 stats.GetStats(NULL, &reports);
951 const StatsReport* session_report = FindNthReportByType(
952 reports, StatsReport::kStatsReportTypeSession, 1);
953 EXPECT_FALSE(session_report == NULL);
954 }
955
956 // This test verifies that only one object of type "googSession" exists
957 // in the returned stats.
958 TEST_F(StatsCollectorTest, OnlyOneSessionObjectExists) {
959 StatsCollectorForTest stats(&pc_);
960
961 StatsReports reports; // returned values.
962 stats.UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard);
963 stats.UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard);
964 stats.GetStats(NULL, &reports);
965 const StatsReport* session_report = FindNthReportByType(
966 reports, StatsReport::kStatsReportTypeSession, 1);
967 EXPECT_FALSE(session_report == NULL);
968 session_report = FindNthReportByType(
969 reports, StatsReport::kStatsReportTypeSession, 2);
970 EXPECT_EQ(NULL, session_report);
971 }
972
973 // This test verifies that the empty track report exists in the returned stats
974 // without calling StatsCollector::UpdateStats.
975 TEST_F(StatsCollectorTest, TrackObjectExistsWithoutUpdateStats) {
976 StatsCollectorForTest stats(&pc_);
977
978 MockVideoMediaChannel* media_channel = new MockVideoMediaChannel();
979 cricket::VideoChannel video_channel(worker_thread_, network_thread_,
980 media_channel, nullptr, "video", false);
981 AddOutgoingVideoTrackStats();
982 stats.AddStream(stream_);
983
984 // Verfies the existence of the track report.
985 StatsReports reports;
986 stats.GetStats(NULL, &reports);
987 EXPECT_EQ((size_t)1, reports.size());
988 EXPECT_EQ(StatsReport::kStatsReportTypeTrack, reports[0]->type());
989 EXPECT_EQ(0, reports[0]->timestamp());
990
991 std::string trackValue =
992 ExtractStatsValue(StatsReport::kStatsReportTypeTrack,
993 reports,
994 StatsReport::kStatsValueNameTrackId);
995 EXPECT_EQ(kLocalTrackId, trackValue);
996 }
997
998 // This test verifies that the empty track report exists in the returned stats
999 // when StatsCollector::UpdateStats is called with ssrc stats.
1000 TEST_F(StatsCollectorTest, TrackAndSsrcObjectExistAfterUpdateSsrcStats) {
1001 StatsCollectorForTest stats(&pc_);
1002
1003 EXPECT_CALL(session_, GetLocalCertificate(_, _))
1004 .WillRepeatedly(Return(false));
1005 EXPECT_CALL(session_, GetRemoteSSLCertificate_ReturnsRawPointer(_))
1006 .WillRepeatedly(Return(nullptr));
1007
1008 const char kVideoChannelName[] = "video";
1009 InitSessionStats(kVideoChannelName);
1010 EXPECT_CALL(session_, GetTransportStats(_))
1011 .WillRepeatedly(DoAll(SetArgPointee<0>(session_stats_),
1012 Return(true)));
1013
1014 MockVideoMediaChannel* media_channel = new MockVideoMediaChannel();
1015 cricket::VideoChannel video_channel(worker_thread_, network_thread_,
1016 media_channel, nullptr, kVideoChannelName,
1017 false);
1018 AddOutgoingVideoTrackStats();
1019 stats.AddStream(stream_);
1020
1021 // Constructs an ssrc stats update.
1022 cricket::VideoSenderInfo video_sender_info;
1023 cricket::VideoMediaInfo stats_read;
1024 const int64_t kBytesSent = 12345678901234LL;
1025
1026 // Construct a stats value to read.
1027 video_sender_info.add_ssrc(1234);
1028 video_sender_info.bytes_sent = kBytesSent;
1029 stats_read.senders.push_back(video_sender_info);
1030
1031 EXPECT_CALL(session_, video_channel()).WillRepeatedly(Return(&video_channel));
1032 EXPECT_CALL(session_, voice_channel()).WillRepeatedly(ReturnNull());
1033 EXPECT_CALL(*media_channel, GetStats(_))
1034 .WillOnce(DoAll(SetArgPointee<0>(stats_read),
1035 Return(true)));
1036
1037 stats.UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard);
1038 StatsReports reports;
1039 stats.GetStats(NULL, &reports);
1040 // |reports| should contain at least one session report, one track report,
1041 // and one ssrc report.
1042 EXPECT_LE((size_t)3, reports.size());
1043 const StatsReport* track_report = FindNthReportByType(
1044 reports, StatsReport::kStatsReportTypeTrack, 1);
1045 EXPECT_TRUE(track_report);
1046
1047 // Get report for the specific |track|.
1048 reports.clear();
1049 stats.GetStats(track_, &reports);
1050 // |reports| should contain at least one session report, one track report,
1051 // and one ssrc report.
1052 EXPECT_LE((size_t)3, reports.size());
1053 track_report = FindNthReportByType(
1054 reports, StatsReport::kStatsReportTypeTrack, 1);
1055 EXPECT_TRUE(track_report);
1056 EXPECT_EQ(stats.GetTimeNow(), track_report->timestamp());
1057
1058 std::string ssrc_id = ExtractSsrcStatsValue(
1059 reports, StatsReport::kStatsValueNameSsrc);
1060 EXPECT_EQ(rtc::ToString<uint32_t>(kSsrcOfTrack), ssrc_id);
1061
1062 std::string track_id = ExtractSsrcStatsValue(
1063 reports, StatsReport::kStatsValueNameTrackId);
1064 EXPECT_EQ(kLocalTrackId, track_id);
1065
1066 std::string media_type = ExtractSsrcStatsValue(reports,
1067 StatsReport::kStatsValueNameMediaType);
1068 EXPECT_EQ("video", media_type);
1069 }
1070
1071 // This test verifies that an SSRC object has the identifier of a Transport
1072 // stats object, and that this transport stats object exists in stats.
1073 TEST_F(StatsCollectorTest, TransportObjectLinkedFromSsrcObject) {
1074 StatsCollectorForTest stats(&pc_);
1075
1076 EXPECT_CALL(session_, GetLocalCertificate(_, _))
1077 .WillRepeatedly(Return(false));
1078 EXPECT_CALL(session_, GetRemoteSSLCertificate_ReturnsRawPointer(_))
1079 .WillRepeatedly(Return(nullptr));
1080
1081 MockVideoMediaChannel* media_channel = new MockVideoMediaChannel();
1082 // The transport_name known by the video channel.
1083 const std::string kVcName("vcname");
1084 cricket::VideoChannel video_channel(worker_thread_, network_thread_,
1085 media_channel, nullptr, kVcName, false);
1086 AddOutgoingVideoTrackStats();
1087 stats.AddStream(stream_);
1088
1089 // Constructs an ssrc stats update.
1090 cricket::VideoSenderInfo video_sender_info;
1091 cricket::VideoMediaInfo stats_read;
1092 const int64_t kBytesSent = 12345678901234LL;
1093
1094 // Construct a stats value to read.
1095 video_sender_info.add_ssrc(1234);
1096 video_sender_info.bytes_sent = kBytesSent;
1097 stats_read.senders.push_back(video_sender_info);
1098
1099 EXPECT_CALL(session_, video_channel()).WillRepeatedly(Return(&video_channel));
1100 EXPECT_CALL(session_, voice_channel()).WillRepeatedly(ReturnNull());
1101 EXPECT_CALL(*media_channel, GetStats(_))
1102 .WillRepeatedly(DoAll(SetArgPointee<0>(stats_read),
1103 Return(true)));
1104
1105 InitSessionStats(kVcName);
1106 EXPECT_CALL(session_, GetTransportStats(_))
1107 .WillRepeatedly(DoAll(SetArgPointee<0>(session_stats_),
1108 Return(true)));
1109
1110 stats.UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard);
1111 StatsReports reports;
1112 stats.GetStats(NULL, &reports);
1113 std::string transport_id = ExtractStatsValue(
1114 StatsReport::kStatsReportTypeSsrc,
1115 reports,
1116 StatsReport::kStatsValueNameTransportId);
1117 ASSERT_NE(kNotFound, transport_id);
1118 // Transport id component ID will always be 1.
1119 // This has assumptions about how the ID is constructed. As is, this is
1120 // OK since this is for testing purposes only, but if we ever need this
1121 // in production, we should add a generic method that does this.
1122 size_t index = transport_id.find('-');
1123 ASSERT_NE(std::string::npos, index);
1124 std::string content = transport_id.substr(index + 1);
1125 index = content.rfind('-');
1126 ASSERT_NE(std::string::npos, index);
1127 content = content.substr(0, index);
1128 StatsReport::Id id(StatsReport::NewComponentId(content, 1));
1129 ASSERT_EQ(transport_id, id->ToString());
1130 const StatsReport* transport_report = FindReportById(reports, id);
1131 ASSERT_FALSE(transport_report == NULL);
1132 }
1133
1134 // This test verifies that a remote stats object will not be created for
1135 // an outgoing SSRC where remote stats are not returned.
1136 TEST_F(StatsCollectorTest, RemoteSsrcInfoIsAbsent) {
1137 StatsCollectorForTest stats(&pc_);
1138
1139 MockVideoMediaChannel* media_channel = new MockVideoMediaChannel();
1140 // The transport_name known by the video channel.
1141 const std::string kVcName("vcname");
1142 cricket::VideoChannel video_channel(worker_thread_, network_thread_,
1143 media_channel, nullptr, kVcName, false);
1144 AddOutgoingVideoTrackStats();
1145 stats.AddStream(stream_);
1146
1147 stats.UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard);
1148 StatsReports reports;
1149 stats.GetStats(NULL, &reports);
1150 const StatsReport* remote_report = FindNthReportByType(reports,
1151 StatsReport::kStatsReportTypeRemoteSsrc, 1);
1152 EXPECT_TRUE(remote_report == NULL);
1153 }
1154
1155 // This test verifies that a remote stats object will be created for
1156 // an outgoing SSRC where stats are returned.
1157 TEST_F(StatsCollectorTest, RemoteSsrcInfoIsPresent) {
1158 StatsCollectorForTest stats(&pc_);
1159
1160 EXPECT_CALL(session_, GetLocalCertificate(_, _))
1161 .WillRepeatedly(Return(false));
1162 EXPECT_CALL(session_, GetRemoteSSLCertificate_ReturnsRawPointer(_))
1163 .WillRepeatedly(Return(nullptr));
1164
1165 MockVideoMediaChannel* media_channel = new MockVideoMediaChannel();
1166 // The transport_name known by the video channel.
1167 const std::string kVcName("vcname");
1168 cricket::VideoChannel video_channel(worker_thread_, network_thread_,
1169 media_channel, nullptr, kVcName, false);
1170 AddOutgoingVideoTrackStats();
1171 stats.AddStream(stream_);
1172
1173 // Instruct the session to return stats containing the transport channel.
1174 InitSessionStats(kVcName);
1175 EXPECT_CALL(session_, GetTransportStats(_))
1176 .WillRepeatedly(DoAll(SetArgPointee<0>(session_stats_),
1177 Return(true)));
1178
1179 // Constructs an ssrc stats update.
1180 cricket::VideoMediaInfo stats_read;
1181
1182 cricket::SsrcReceiverInfo remote_ssrc_stats;
1183 remote_ssrc_stats.timestamp = 12345.678;
1184 remote_ssrc_stats.ssrc = kSsrcOfTrack;
1185 cricket::VideoSenderInfo video_sender_info;
1186 video_sender_info.add_ssrc(kSsrcOfTrack);
1187 video_sender_info.remote_stats.push_back(remote_ssrc_stats);
1188 stats_read.senders.push_back(video_sender_info);
1189
1190 EXPECT_CALL(session_, video_channel()).WillRepeatedly(Return(&video_channel));
1191 EXPECT_CALL(session_, voice_channel()).WillRepeatedly(ReturnNull());
1192 EXPECT_CALL(*media_channel, GetStats(_))
1193 .WillRepeatedly(DoAll(SetArgPointee<0>(stats_read),
1194 Return(true)));
1195
1196 stats.UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard);
1197 StatsReports reports;
1198 stats.GetStats(NULL, &reports);
1199
1200 const StatsReport* remote_report = FindNthReportByType(reports,
1201 StatsReport::kStatsReportTypeRemoteSsrc, 1);
1202 EXPECT_FALSE(remote_report == NULL);
1203 EXPECT_EQ(12345.678, remote_report->timestamp());
1204 }
1205
1206 // This test verifies that the empty track report exists in the returned stats
1207 // when StatsCollector::UpdateStats is called with ssrc stats.
1208 TEST_F(StatsCollectorTest, ReportsFromRemoteTrack) {
1209 StatsCollectorForTest stats(&pc_);
1210
1211 EXPECT_CALL(session_, GetLocalCertificate(_, _))
1212 .WillRepeatedly(Return(false));
1213 EXPECT_CALL(session_, GetRemoteSSLCertificate_ReturnsRawPointer(_))
1214 .WillRepeatedly(Return(nullptr));
1215
1216 const char kVideoChannelName[] = "video";
1217 InitSessionStats(kVideoChannelName);
1218 EXPECT_CALL(session_, GetTransportStats(_))
1219 .WillRepeatedly(DoAll(SetArgPointee<0>(session_stats_),
1220 Return(true)));
1221
1222 MockVideoMediaChannel* media_channel = new MockVideoMediaChannel();
1223 cricket::VideoChannel video_channel(worker_thread_, network_thread_,
1224 media_channel, nullptr, kVideoChannelName,
1225 false);
1226 AddIncomingVideoTrackStats();
1227 stats.AddStream(stream_);
1228
1229 // Constructs an ssrc stats update.
1230 cricket::VideoReceiverInfo video_receiver_info;
1231 cricket::VideoMediaInfo stats_read;
1232 const int64_t kNumOfPacketsConcealed = 54321;
1233
1234 // Construct a stats value to read.
1235 video_receiver_info.add_ssrc(1234);
1236 video_receiver_info.packets_concealed = kNumOfPacketsConcealed;
1237 stats_read.receivers.push_back(video_receiver_info);
1238
1239 EXPECT_CALL(session_, video_channel()).WillRepeatedly(Return(&video_channel));
1240 EXPECT_CALL(session_, voice_channel()).WillRepeatedly(ReturnNull());
1241 EXPECT_CALL(*media_channel, GetStats(_))
1242 .WillOnce(DoAll(SetArgPointee<0>(stats_read),
1243 Return(true)));
1244
1245 stats.UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard);
1246 StatsReports reports;
1247 stats.GetStats(NULL, &reports);
1248 // |reports| should contain at least one session report, one track report,
1249 // and one ssrc report.
1250 EXPECT_LE(static_cast<size_t>(3), reports.size());
1251 const StatsReport* track_report = FindNthReportByType(
1252 reports, StatsReport::kStatsReportTypeTrack, 1);
1253 EXPECT_TRUE(track_report);
1254 EXPECT_EQ(stats.GetTimeNow(), track_report->timestamp());
1255
1256 std::string ssrc_id = ExtractSsrcStatsValue(
1257 reports, StatsReport::kStatsValueNameSsrc);
1258 EXPECT_EQ(rtc::ToString<uint32_t>(kSsrcOfTrack), ssrc_id);
1259
1260 std::string track_id = ExtractSsrcStatsValue(
1261 reports, StatsReport::kStatsValueNameTrackId);
1262 EXPECT_EQ(kRemoteTrackId, track_id);
1263 }
1264
1265 // This test verifies the Ice Candidate report should contain the correct
1266 // information from local/remote candidates.
1267 TEST_F(StatsCollectorTest, IceCandidateReport) {
1268 StatsCollectorForTest stats(&pc_);
1269
1270 StatsReports reports; // returned values.
1271
1272 const int local_port = 2000;
1273 const char local_ip[] = "192.168.0.1";
1274 const int remote_port = 2001;
1275 const char remote_ip[] = "192.168.0.2";
1276
1277 rtc::SocketAddress local_address(local_ip, local_port);
1278 rtc::SocketAddress remote_address(remote_ip, remote_port);
1279 rtc::AdapterType network_type = rtc::ADAPTER_TYPE_ETHERNET;
1280 uint32_t priority = 1000;
1281
1282 cricket::Candidate c;
1283 ASSERT(c.id().length() > 0);
1284 c.set_type(cricket::LOCAL_PORT_TYPE);
1285 c.set_protocol(cricket::UDP_PROTOCOL_NAME);
1286 c.set_address(local_address);
1287 c.set_priority(priority);
1288 c.set_network_type(network_type);
1289 std::string report_id = AddCandidateReport(&stats, c, true)->id()->ToString();
1290 EXPECT_EQ("Cand-" + c.id(), report_id);
1291
1292 c = cricket::Candidate();
1293 ASSERT(c.id().length() > 0);
1294 c.set_type(cricket::PRFLX_PORT_TYPE);
1295 c.set_protocol(cricket::UDP_PROTOCOL_NAME);
1296 c.set_address(remote_address);
1297 c.set_priority(priority);
1298 c.set_network_type(network_type);
1299 report_id = AddCandidateReport(&stats, c, false)->id()->ToString();
1300 EXPECT_EQ("Cand-" + c.id(), report_id);
1301
1302 stats.GetStats(NULL, &reports);
1303
1304 // Verify the local candidate report is populated correctly.
1305 EXPECT_EQ(
1306 local_ip,
1307 ExtractStatsValue(StatsReport::kStatsReportTypeIceLocalCandidate, reports,
1308 StatsReport::kStatsValueNameCandidateIPAddress));
1309 EXPECT_EQ(
1310 rtc::ToString<int>(local_port),
1311 ExtractStatsValue(StatsReport::kStatsReportTypeIceLocalCandidate, reports,
1312 StatsReport::kStatsValueNameCandidatePortNumber));
1313 EXPECT_EQ(
1314 cricket::UDP_PROTOCOL_NAME,
1315 ExtractStatsValue(StatsReport::kStatsReportTypeIceLocalCandidate, reports,
1316 StatsReport::kStatsValueNameCandidateTransportType));
1317 EXPECT_EQ(
1318 rtc::ToString<int>(priority),
1319 ExtractStatsValue(StatsReport::kStatsReportTypeIceLocalCandidate, reports,
1320 StatsReport::kStatsValueNameCandidatePriority));
1321 EXPECT_EQ(
1322 IceCandidateTypeToStatsType(cricket::LOCAL_PORT_TYPE),
1323 ExtractStatsValue(StatsReport::kStatsReportTypeIceLocalCandidate, reports,
1324 StatsReport::kStatsValueNameCandidateType));
1325 EXPECT_EQ(
1326 AdapterTypeToStatsType(network_type),
1327 ExtractStatsValue(StatsReport::kStatsReportTypeIceLocalCandidate, reports,
1328 StatsReport::kStatsValueNameCandidateNetworkType));
1329
1330 // Verify the remote candidate report is populated correctly.
1331 EXPECT_EQ(remote_ip,
1332 ExtractStatsValue(StatsReport::kStatsReportTypeIceRemoteCandidate,
1333 reports,
1334 StatsReport::kStatsValueNameCandidateIPAddress));
1335 EXPECT_EQ(rtc::ToString<int>(remote_port),
1336 ExtractStatsValue(StatsReport::kStatsReportTypeIceRemoteCandidate,
1337 reports,
1338 StatsReport::kStatsValueNameCandidatePortNumber));
1339 EXPECT_EQ(cricket::UDP_PROTOCOL_NAME,
1340 ExtractStatsValue(
1341 StatsReport::kStatsReportTypeIceRemoteCandidate, reports,
1342 StatsReport::kStatsValueNameCandidateTransportType));
1343 EXPECT_EQ(rtc::ToString<int>(priority),
1344 ExtractStatsValue(StatsReport::kStatsReportTypeIceRemoteCandidate,
1345 reports,
1346 StatsReport::kStatsValueNameCandidatePriority));
1347 EXPECT_EQ(
1348 IceCandidateTypeToStatsType(cricket::PRFLX_PORT_TYPE),
1349 ExtractStatsValue(StatsReport::kStatsReportTypeIceRemoteCandidate,
1350 reports, StatsReport::kStatsValueNameCandidateType));
1351 EXPECT_EQ(kNotFound,
1352 ExtractStatsValue(
1353 StatsReport::kStatsReportTypeIceRemoteCandidate, reports,
1354 StatsReport::kStatsValueNameCandidateNetworkType));
1355 }
1356
1357 // This test verifies that all chained certificates are correctly
1358 // reported
1359 TEST_F(StatsCollectorTest, ChainedCertificateReportsCreated) {
1360 // Build local certificate chain.
1361 std::vector<std::string> local_ders(5);
1362 local_ders[0] = "These";
1363 local_ders[1] = "are";
1364 local_ders[2] = "some";
1365 local_ders[3] = "der";
1366 local_ders[4] = "values";
1367 rtc::FakeSSLCertificate local_cert(DersToPems(local_ders));
1368
1369 // Build remote certificate chain
1370 std::vector<std::string> remote_ders(4);
1371 remote_ders[0] = "A";
1372 remote_ders[1] = "non-";
1373 remote_ders[2] = "intersecting";
1374 remote_ders[3] = "set";
1375 std::unique_ptr<rtc::FakeSSLCertificate> remote_cert(
1376 new rtc::FakeSSLCertificate(DersToPems(remote_ders)));
1377
1378 TestCertificateReports(local_cert, local_ders, std::move(remote_cert),
1379 remote_ders);
1380 }
1381
1382 // This test verifies that all certificates without chains are correctly
1383 // reported.
1384 TEST_F(StatsCollectorTest, ChainlessCertificateReportsCreated) {
1385 // Build local certificate.
1386 std::string local_der = "This is the local der.";
1387 rtc::FakeSSLCertificate local_cert(DerToPem(local_der));
1388
1389 // Build remote certificate.
1390 std::string remote_der = "This is somebody else's der.";
1391 std::unique_ptr<rtc::FakeSSLCertificate> remote_cert(
1392 new rtc::FakeSSLCertificate(DerToPem(remote_der)));
1393
1394 TestCertificateReports(local_cert, std::vector<std::string>(1, local_der),
1395 std::move(remote_cert),
1396 std::vector<std::string>(1, remote_der));
1397 }
1398
1399 // This test verifies that the stats are generated correctly when no
1400 // transport is present.
1401 TEST_F(StatsCollectorTest, NoTransport) {
1402 StatsCollectorForTest stats(&pc_);
1403
1404 EXPECT_CALL(session_, GetLocalCertificate(_, _))
1405 .WillRepeatedly(Return(false));
1406 EXPECT_CALL(session_, GetRemoteSSLCertificate_ReturnsRawPointer(_))
1407 .WillRepeatedly(Return(nullptr));
1408
1409 StatsReports reports; // returned values.
1410
1411 // Fake stats to process.
1412 cricket::TransportChannelStats channel_stats;
1413 channel_stats.component = 1;
1414
1415 cricket::TransportStats transport_stats;
1416 transport_stats.transport_name = "audio";
1417 transport_stats.channel_stats.push_back(channel_stats);
1418
1419 SessionStats session_stats;
1420 session_stats.transport_stats[transport_stats.transport_name] =
1421 transport_stats;
1422
1423 // Configure MockWebRtcSession
1424 EXPECT_CALL(session_, GetTransportStats(_))
1425 .WillOnce(DoAll(SetArgPointee<0>(session_stats),
1426 Return(true)));
1427
1428 stats.UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard);
1429 stats.GetStats(NULL, &reports);
1430
1431 // Check that the local certificate is absent.
1432 std::string local_certificate_id = ExtractStatsValue(
1433 StatsReport::kStatsReportTypeComponent,
1434 reports,
1435 StatsReport::kStatsValueNameLocalCertificateId);
1436 ASSERT_EQ(kNotFound, local_certificate_id);
1437
1438 // Check that the remote certificate is absent.
1439 std::string remote_certificate_id = ExtractStatsValue(
1440 StatsReport::kStatsReportTypeComponent,
1441 reports,
1442 StatsReport::kStatsValueNameRemoteCertificateId);
1443 ASSERT_EQ(kNotFound, remote_certificate_id);
1444
1445 // Check that the negotiated ciphers are absent.
1446 std::string dtls_cipher_suite =
1447 ExtractStatsValue(StatsReport::kStatsReportTypeComponent, reports,
1448 StatsReport::kStatsValueNameDtlsCipher);
1449 ASSERT_EQ(kNotFound, dtls_cipher_suite);
1450 std::string srtp_crypto_suite =
1451 ExtractStatsValue(StatsReport::kStatsReportTypeComponent, reports,
1452 StatsReport::kStatsValueNameSrtpCipher);
1453 ASSERT_EQ(kNotFound, srtp_crypto_suite);
1454 }
1455
1456 // This test verifies that the stats are generated correctly when the transport
1457 // does not have any certificates.
1458 TEST_F(StatsCollectorTest, NoCertificates) {
1459 StatsCollectorForTest stats(&pc_);
1460
1461 EXPECT_CALL(session_, GetLocalCertificate(_, _))
1462 .WillRepeatedly(Return(false));
1463 EXPECT_CALL(session_, GetRemoteSSLCertificate_ReturnsRawPointer(_))
1464 .WillRepeatedly(Return(nullptr));
1465
1466 StatsReports reports; // returned values.
1467
1468 // Fake stats to process.
1469 cricket::TransportChannelStats channel_stats;
1470 channel_stats.component = 1;
1471
1472 cricket::TransportStats transport_stats;
1473 transport_stats.transport_name = "audio";
1474 transport_stats.channel_stats.push_back(channel_stats);
1475
1476 SessionStats session_stats;
1477 session_stats.transport_stats[transport_stats.transport_name] =
1478 transport_stats;
1479
1480 // Configure MockWebRtcSession
1481 EXPECT_CALL(session_, GetTransportStats(_))
1482 .WillOnce(DoAll(SetArgPointee<0>(session_stats),
1483 Return(true)));
1484 stats.UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard);
1485 stats.GetStats(NULL, &reports);
1486
1487 // Check that the local certificate is absent.
1488 std::string local_certificate_id = ExtractStatsValue(
1489 StatsReport::kStatsReportTypeComponent,
1490 reports,
1491 StatsReport::kStatsValueNameLocalCertificateId);
1492 ASSERT_EQ(kNotFound, local_certificate_id);
1493
1494 // Check that the remote certificate is absent.
1495 std::string remote_certificate_id = ExtractStatsValue(
1496 StatsReport::kStatsReportTypeComponent,
1497 reports,
1498 StatsReport::kStatsValueNameRemoteCertificateId);
1499 ASSERT_EQ(kNotFound, remote_certificate_id);
1500 }
1501
1502 // This test verifies that a remote certificate with an unsupported digest
1503 // algorithm is correctly ignored.
1504 TEST_F(StatsCollectorTest, UnsupportedDigestIgnored) {
1505 // Build a local certificate.
1506 std::string local_der = "This is the local der.";
1507 rtc::FakeSSLCertificate local_cert(DerToPem(local_der));
1508
1509 // Build a remote certificate with an unsupported digest algorithm.
1510 std::string remote_der = "This is somebody else's der.";
1511 std::unique_ptr<rtc::FakeSSLCertificate> remote_cert(
1512 new rtc::FakeSSLCertificate(DerToPem(remote_der)));
1513 remote_cert->set_digest_algorithm("foobar");
1514
1515 TestCertificateReports(local_cert, std::vector<std::string>(1, local_der),
1516 std::move(remote_cert), std::vector<std::string>());
1517 }
1518
1519 // This test verifies that the audio/video related stats which are -1 initially
1520 // will be filtered out.
1521 TEST_F(StatsCollectorTest, FilterOutNegativeInitialValues) {
1522 StatsCollectorForTest stats(&pc_);
1523
1524 EXPECT_CALL(session_, GetLocalCertificate(_, _))
1525 .WillRepeatedly(Return(false));
1526 EXPECT_CALL(session_, GetRemoteSSLCertificate_ReturnsRawPointer(_))
1527 .WillRepeatedly(Return(nullptr));
1528
1529 MockVoiceMediaChannel* media_channel = new MockVoiceMediaChannel();
1530 // The transport_name known by the voice channel.
1531 const std::string kVcName("vcname");
1532 cricket::VoiceChannel voice_channel(worker_thread_, network_thread_,
1533 media_engine_, media_channel, nullptr,
1534 kVcName, false);
1535
1536 // Create a local stream with a local audio track and adds it to the stats.
1537 if (stream_ == NULL)
1538 stream_ = webrtc::MediaStream::Create("streamlabel");
1539
1540 rtc::scoped_refptr<FakeAudioTrackWithInitValue> local_track(
1541 new rtc::RefCountedObject<FakeAudioTrackWithInitValue>(kLocalTrackId));
1542 stream_->AddTrack(local_track);
1543 EXPECT_CALL(session_, GetLocalTrackIdBySsrc(kSsrcOfTrack, _))
1544 .WillOnce(DoAll(SetArgPointee<1>(kLocalTrackId), Return(true)));
1545 stats.AddStream(stream_);
1546 stats.AddLocalAudioTrack(local_track.get(), kSsrcOfTrack);
1547
1548 // Create a remote stream with a remote audio track and adds it to the stats.
1549 rtc::scoped_refptr<webrtc::MediaStream> remote_stream(
1550 webrtc::MediaStream::Create("remotestreamlabel"));
1551 rtc::scoped_refptr<FakeAudioTrackWithInitValue> remote_track(
1552 new rtc::RefCountedObject<FakeAudioTrackWithInitValue>(kRemoteTrackId));
1553 EXPECT_CALL(session_, GetRemoteTrackIdBySsrc(kSsrcOfTrack, _))
1554 .WillOnce(DoAll(SetArgPointee<1>(kRemoteTrackId), Return(true)));
1555 remote_stream->AddTrack(remote_track);
1556 stats.AddStream(remote_stream);
1557
1558 // Instruct the session to return stats containing the transport channel.
1559 InitSessionStats(kVcName);
1560 EXPECT_CALL(session_, GetTransportStats(_))
1561 .WillRepeatedly(DoAll(SetArgPointee<0>(session_stats_), Return(true)));
1562
1563 cricket::VoiceSenderInfo voice_sender_info;
1564 voice_sender_info.add_ssrc(kSsrcOfTrack);
1565 // These values are set to -1 initially in audio_send_stream.
1566 // The voice_sender_info will read the values from audio_send_stream.
1567 voice_sender_info.rtt_ms = -1;
1568 voice_sender_info.packets_lost = -1;
1569 voice_sender_info.jitter_ms = -1;
1570
1571 // Some of the contents in |voice_sender_info| needs to be updated from the
1572 // |audio_track_|.
1573 UpdateVoiceSenderInfoFromAudioTrack(local_track.get(), &voice_sender_info);
1574
1575 cricket::VoiceReceiverInfo voice_receiver_info;
1576 voice_receiver_info.add_ssrc(kSsrcOfTrack);
1577 voice_receiver_info.capture_start_ntp_time_ms = -1;
1578 voice_receiver_info.audio_level = -1;
1579
1580 // Constructs an ssrc stats update.
1581 cricket::VoiceMediaInfo stats_read;
1582 stats_read.senders.push_back(voice_sender_info);
1583 stats_read.receivers.push_back(voice_receiver_info);
1584
1585 EXPECT_CALL(session_, voice_channel()).WillRepeatedly(Return(&voice_channel));
1586 EXPECT_CALL(session_, video_channel()).WillRepeatedly(ReturnNull());
1587 EXPECT_CALL(*media_channel, GetStats(_))
1588 .WillRepeatedly(DoAll(SetArgPointee<0>(stats_read), Return(true)));
1589
1590 StatsReports reports;
1591 stats.UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard);
1592
1593 // Get stats for the local track.
1594 stats.GetStats(local_track.get(), &reports);
1595 const StatsReport* report =
1596 FindNthReportByType(reports, StatsReport::kStatsReportTypeSsrc, 1);
1597 EXPECT_TRUE(report);
1598 // The -1 will not be added to the stats report.
1599 std::string value_in_report;
1600 EXPECT_FALSE(
1601 GetValue(report, StatsReport::kStatsValueNameRtt, &value_in_report));
1602 EXPECT_FALSE(GetValue(report, StatsReport::kStatsValueNamePacketsLost,
1603 &value_in_report));
1604 EXPECT_FALSE(GetValue(report, StatsReport::kStatsValueNameJitterReceived,
1605 &value_in_report));
1606 EXPECT_FALSE(GetValue(report,
1607 StatsReport::kStatsValueNameEchoCancellationQualityMin,
1608 &value_in_report));
1609 EXPECT_FALSE(GetValue(report, StatsReport::kStatsValueNameEchoDelayMedian,
1610 &value_in_report));
1611 EXPECT_FALSE(GetValue(report, StatsReport::kStatsValueNameEchoDelayStdDev,
1612 &value_in_report));
1613
1614 // Get stats for the remote track.
1615 reports.clear();
1616 stats.GetStats(remote_track.get(), &reports);
1617 report = FindNthReportByType(reports, StatsReport::kStatsReportTypeSsrc, 1);
1618 EXPECT_TRUE(report);
1619 EXPECT_FALSE(GetValue(report,
1620 StatsReport::kStatsValueNameCaptureStartNtpTimeMs,
1621 &value_in_report));
1622 EXPECT_FALSE(GetValue(report, StatsReport::kStatsValueNameAudioInputLevel,
1623 &value_in_report));
1624 }
1625
1626 // This test verifies that a local stats object can get statistics via
1627 // AudioTrackInterface::GetStats() method.
1628 TEST_F(StatsCollectorTest, GetStatsFromLocalAudioTrack) {
1629 StatsCollectorForTest stats(&pc_);
1630
1631 EXPECT_CALL(session_, GetLocalCertificate(_, _))
1632 .WillRepeatedly(Return(false));
1633 EXPECT_CALL(session_, GetRemoteSSLCertificate_ReturnsRawPointer(_))
1634 .WillRepeatedly(Return(nullptr));
1635
1636 MockVoiceMediaChannel* media_channel = new MockVoiceMediaChannel();
1637 // The transport_name known by the voice channel.
1638 const std::string kVcName("vcname");
1639 cricket::VoiceChannel voice_channel(worker_thread_, network_thread_,
1640 media_engine_, media_channel, nullptr,
1641 kVcName, false);
1642 AddOutgoingAudioTrackStats();
1643 stats.AddStream(stream_);
1644 stats.AddLocalAudioTrack(audio_track_, kSsrcOfTrack);
1645
1646 cricket::VoiceSenderInfo voice_sender_info;
1647 InitVoiceSenderInfo(&voice_sender_info);
1648
1649 cricket::VoiceMediaInfo stats_read;
1650 StatsReports reports; // returned values.
1651 SetupAndVerifyAudioTrackStats(
1652 audio_track_.get(), stream_.get(), &stats, &voice_channel, kVcName,
1653 media_channel, &voice_sender_info, NULL, &stats_read, &reports);
1654
1655 // Verify that there is no remote report for the local audio track because
1656 // we did not set it up.
1657 const StatsReport* remote_report = FindNthReportByType(reports,
1658 StatsReport::kStatsReportTypeRemoteSsrc, 1);
1659 EXPECT_TRUE(remote_report == NULL);
1660 }
1661
1662 // This test verifies that audio receive streams populate stats reports
1663 // correctly.
1664 TEST_F(StatsCollectorTest, GetStatsFromRemoteStream) {
1665 StatsCollectorForTest stats(&pc_);
1666
1667 EXPECT_CALL(session_, GetLocalCertificate(_, _))
1668 .WillRepeatedly(Return(false));
1669 EXPECT_CALL(session_, GetRemoteSSLCertificate_ReturnsRawPointer(_))
1670 .WillRepeatedly(Return(nullptr));
1671
1672 MockVoiceMediaChannel* media_channel = new MockVoiceMediaChannel();
1673 // The transport_name known by the voice channel.
1674 const std::string kVcName("vcname");
1675 cricket::VoiceChannel voice_channel(worker_thread_, network_thread_,
1676 media_engine_, media_channel, nullptr,
1677 kVcName, false);
1678 AddIncomingAudioTrackStats();
1679 stats.AddStream(stream_);
1680
1681 cricket::VoiceReceiverInfo voice_receiver_info;
1682 InitVoiceReceiverInfo(&voice_receiver_info);
1683 voice_receiver_info.codec_name = "fake_codec";
1684
1685 cricket::VoiceMediaInfo stats_read;
1686 StatsReports reports; // returned values.
1687 SetupAndVerifyAudioTrackStats(
1688 audio_track_.get(), stream_.get(), &stats, &voice_channel, kVcName,
1689 media_channel, NULL, &voice_receiver_info, &stats_read, &reports);
1690 }
1691
1692 // This test verifies that a local stats object won't update its statistics
1693 // after a RemoveLocalAudioTrack() call.
1694 TEST_F(StatsCollectorTest, GetStatsAfterRemoveAudioStream) {
1695 StatsCollectorForTest stats(&pc_);
1696
1697 EXPECT_CALL(session_, GetLocalCertificate(_, _))
1698 .WillRepeatedly(Return(false));
1699 EXPECT_CALL(session_, GetRemoteSSLCertificate_ReturnsRawPointer(_))
1700 .WillRepeatedly(Return(nullptr));
1701
1702 MockVoiceMediaChannel* media_channel = new MockVoiceMediaChannel();
1703 // The transport_name known by the voice channel.
1704 const std::string kVcName("vcname");
1705 cricket::VoiceChannel voice_channel(worker_thread_, network_thread_,
1706 media_engine_, media_channel, nullptr,
1707 kVcName, false);
1708 AddOutgoingAudioTrackStats();
1709 stats.AddStream(stream_);
1710 stats.AddLocalAudioTrack(audio_track_.get(), kSsrcOfTrack);
1711
1712 // Instruct the session to return stats containing the transport channel.
1713 InitSessionStats(kVcName);
1714 EXPECT_CALL(session_, GetTransportStats(_))
1715 .WillRepeatedly(DoAll(SetArgPointee<0>(session_stats_),
1716 Return(true)));
1717
1718 stats.RemoveLocalAudioTrack(audio_track_.get(), kSsrcOfTrack);
1719 cricket::VoiceSenderInfo voice_sender_info;
1720 InitVoiceSenderInfo(&voice_sender_info);
1721
1722 // Constructs an ssrc stats update.
1723 cricket::VoiceMediaInfo stats_read;
1724 stats_read.senders.push_back(voice_sender_info);
1725
1726 EXPECT_CALL(session_, voice_channel()).WillRepeatedly(Return(&voice_channel));
1727 EXPECT_CALL(session_, video_channel()).WillRepeatedly(ReturnNull());
1728 EXPECT_CALL(*media_channel, GetStats(_))
1729 .WillRepeatedly(DoAll(SetArgPointee<0>(stats_read),
1730 Return(true)));
1731
1732 StatsReports reports; // returned values.
1733 stats.UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard);
1734 stats.GetStats(NULL, &reports);
1735
1736 // The report will exist since we don't remove them in RemoveStream().
1737 const StatsReport* report = FindNthReportByType(
1738 reports, StatsReport::kStatsReportTypeSsrc, 1);
1739 EXPECT_FALSE(report == NULL);
1740 EXPECT_EQ(stats.GetTimeNow(), report->timestamp());
1741 std::string track_id = ExtractSsrcStatsValue(
1742 reports, StatsReport::kStatsValueNameTrackId);
1743 EXPECT_EQ(kLocalTrackId, track_id);
1744 std::string ssrc_id = ExtractSsrcStatsValue(
1745 reports, StatsReport::kStatsValueNameSsrc);
1746 EXPECT_EQ(rtc::ToString<uint32_t>(kSsrcOfTrack), ssrc_id);
1747
1748 // Verifies the values in the track report, no value will be changed by the
1749 // AudioTrackInterface::GetSignalValue() and
1750 // AudioProcessorInterface::AudioProcessorStats::GetStats();
1751 VerifyVoiceSenderInfoReport(report, voice_sender_info);
1752 }
1753
1754 // This test verifies that when ongoing and incoming audio tracks are using
1755 // the same ssrc, they populate stats reports correctly.
1756 TEST_F(StatsCollectorTest, LocalAndRemoteTracksWithSameSsrc) {
1757 StatsCollectorForTest stats(&pc_);
1758
1759 EXPECT_CALL(session_, GetLocalCertificate(_, _))
1760 .WillRepeatedly(Return(false));
1761 EXPECT_CALL(session_, GetRemoteSSLCertificate_ReturnsRawPointer(_))
1762 .WillRepeatedly(Return(nullptr));
1763
1764 MockVoiceMediaChannel* media_channel = new MockVoiceMediaChannel();
1765 // The transport_name known by the voice channel.
1766 const std::string kVcName("vcname");
1767 cricket::VoiceChannel voice_channel(worker_thread_, network_thread_,
1768 media_engine_, media_channel, nullptr,
1769 kVcName, false);
1770
1771 // Create a local stream with a local audio track and adds it to the stats.
1772 AddOutgoingAudioTrackStats();
1773 stats.AddStream(stream_);
1774 stats.AddLocalAudioTrack(audio_track_.get(), kSsrcOfTrack);
1775
1776 // Create a remote stream with a remote audio track and adds it to the stats.
1777 rtc::scoped_refptr<webrtc::MediaStream> remote_stream(
1778 webrtc::MediaStream::Create("remotestreamlabel"));
1779 rtc::scoped_refptr<FakeAudioTrack> remote_track(
1780 new rtc::RefCountedObject<FakeAudioTrack>(kRemoteTrackId));
1781 EXPECT_CALL(session_, GetRemoteTrackIdBySsrc(kSsrcOfTrack, _))
1782 .WillOnce(DoAll(SetArgPointee<1>(kRemoteTrackId), Return(true)));
1783 remote_stream->AddTrack(remote_track);
1784 stats.AddStream(remote_stream);
1785
1786 // Instruct the session to return stats containing the transport channel.
1787 InitSessionStats(kVcName);
1788 EXPECT_CALL(session_, GetTransportStats(_))
1789 .WillRepeatedly(DoAll(SetArgPointee<0>(session_stats_),
1790 Return(true)));
1791
1792 cricket::VoiceSenderInfo voice_sender_info;
1793 InitVoiceSenderInfo(&voice_sender_info);
1794
1795 // Some of the contents in |voice_sender_info| needs to be updated from the
1796 // |audio_track_|.
1797 UpdateVoiceSenderInfoFromAudioTrack(audio_track_.get(), &voice_sender_info);
1798
1799 cricket::VoiceReceiverInfo voice_receiver_info;
1800 InitVoiceReceiverInfo(&voice_receiver_info);
1801
1802 // Constructs an ssrc stats update.
1803 cricket::VoiceMediaInfo stats_read;
1804 stats_read.senders.push_back(voice_sender_info);
1805 stats_read.receivers.push_back(voice_receiver_info);
1806
1807 EXPECT_CALL(session_, voice_channel()).WillRepeatedly(Return(&voice_channel));
1808 EXPECT_CALL(session_, video_channel()).WillRepeatedly(ReturnNull());
1809 EXPECT_CALL(*media_channel, GetStats(_))
1810 .WillRepeatedly(DoAll(SetArgPointee<0>(stats_read),
1811 Return(true)));
1812
1813 StatsReports reports; // returned values.
1814 stats.UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard);
1815
1816 // Get stats for the local track.
1817 stats.GetStats(audio_track_.get(), &reports);
1818 const StatsReport* track_report = FindNthReportByType(
1819 reports, StatsReport::kStatsReportTypeSsrc, 1);
1820 EXPECT_TRUE(track_report);
1821 EXPECT_EQ(stats.GetTimeNow(), track_report->timestamp());
1822 std::string track_id = ExtractSsrcStatsValue(
1823 reports, StatsReport::kStatsValueNameTrackId);
1824 EXPECT_EQ(kLocalTrackId, track_id);
1825 VerifyVoiceSenderInfoReport(track_report, voice_sender_info);
1826
1827 // Get stats for the remote track.
1828 reports.clear();
1829 stats.GetStats(remote_track.get(), &reports);
1830 track_report = FindNthReportByType(reports,
1831 StatsReport::kStatsReportTypeSsrc, 1);
1832 EXPECT_TRUE(track_report);
1833 EXPECT_EQ(stats.GetTimeNow(), track_report->timestamp());
1834 track_id = ExtractSsrcStatsValue(reports,
1835 StatsReport::kStatsValueNameTrackId);
1836 EXPECT_EQ(kRemoteTrackId, track_id);
1837 VerifyVoiceReceiverInfoReport(track_report, voice_receiver_info);
1838 }
1839
1840 // This test verifies that when two outgoing audio tracks are using the same
1841 // ssrc at different times, they populate stats reports correctly.
1842 // TODO(xians): Figure out if it is possible to encapsulate the setup and
1843 // avoid duplication of code in test cases.
1844 TEST_F(StatsCollectorTest, TwoLocalTracksWithSameSsrc) {
1845 StatsCollectorForTest stats(&pc_);
1846
1847 EXPECT_CALL(session_, GetLocalCertificate(_, _))
1848 .WillRepeatedly(Return(false));
1849 EXPECT_CALL(session_, GetRemoteSSLCertificate_ReturnsRawPointer(_))
1850 .WillRepeatedly(Return(nullptr));
1851
1852 MockVoiceMediaChannel* media_channel = new MockVoiceMediaChannel();
1853 // The transport_name known by the voice channel.
1854 const std::string kVcName("vcname");
1855 cricket::VoiceChannel voice_channel(worker_thread_, network_thread_,
1856 media_engine_, media_channel, nullptr,
1857 kVcName, false);
1858
1859 // Create a local stream with a local audio track and adds it to the stats.
1860 AddOutgoingAudioTrackStats();
1861 stats.AddStream(stream_);
1862 stats.AddLocalAudioTrack(audio_track_, kSsrcOfTrack);
1863
1864 cricket::VoiceSenderInfo voice_sender_info;
1865 voice_sender_info.add_ssrc(kSsrcOfTrack);
1866
1867 cricket::VoiceMediaInfo stats_read;
1868 StatsReports reports; // returned values.
1869 SetupAndVerifyAudioTrackStats(
1870 audio_track_.get(), stream_.get(), &stats, &voice_channel, kVcName,
1871 media_channel, &voice_sender_info, NULL, &stats_read, &reports);
1872
1873 // Remove the previous audio track from the stream.
1874 stream_->RemoveTrack(audio_track_.get());
1875 stats.RemoveLocalAudioTrack(audio_track_.get(), kSsrcOfTrack);
1876
1877 // Create a new audio track and adds it to the stream and stats.
1878 static const std::string kNewTrackId = "new_track_id";
1879 rtc::scoped_refptr<FakeAudioTrack> new_audio_track(
1880 new rtc::RefCountedObject<FakeAudioTrack>(kNewTrackId));
1881 EXPECT_CALL(session_, GetLocalTrackIdBySsrc(kSsrcOfTrack, _))
1882 .WillOnce(DoAll(SetArgPointee<1>(kNewTrackId), Return(true)));
1883 stream_->AddTrack(new_audio_track);
1884
1885 stats.AddLocalAudioTrack(new_audio_track, kSsrcOfTrack);
1886 stats.ClearUpdateStatsCacheForTest();
1887 cricket::VoiceSenderInfo new_voice_sender_info;
1888 InitVoiceSenderInfo(&new_voice_sender_info);
1889 cricket::VoiceMediaInfo new_stats_read;
1890 reports.clear();
1891 SetupAndVerifyAudioTrackStats(
1892 new_audio_track.get(), stream_.get(), &stats, &voice_channel, kVcName,
1893 media_channel, &new_voice_sender_info, NULL, &new_stats_read, &reports);
1894 }
1895
1896 // This test verifies that stats are correctly set in video send ssrc stats.
1897 TEST_F(StatsCollectorTest, VerifyVideoSendSsrcStats) {
1898 StatsCollectorForTest stats(&pc_);
1899
1900 EXPECT_CALL(session_, GetLocalCertificate(_, _))
1901 .WillRepeatedly(Return(false));
1902 EXPECT_CALL(session_, GetRemoteSSLCertificate_ReturnsRawPointer(_))
1903 .WillRepeatedly(Return(nullptr));
1904
1905 const char kVideoChannelName[] = "video";
1906
1907 InitSessionStats(kVideoChannelName);
1908 EXPECT_CALL(session_, GetTransportStats(_))
1909 .WillRepeatedly(DoAll(SetArgPointee<0>(session_stats_), Return(true)));
1910
1911 MockVideoMediaChannel* media_channel = new MockVideoMediaChannel();
1912 cricket::VideoChannel video_channel(worker_thread_, network_thread_,
1913 media_channel, nullptr, kVideoChannelName,
1914 false);
1915 StatsReports reports; // returned values.
1916 cricket::VideoSenderInfo video_sender_info;
1917 cricket::VideoMediaInfo stats_read;
1918
1919 AddOutgoingVideoTrackStats();
1920 stats.AddStream(stream_);
1921
1922 // Construct a stats value to read.
1923 video_sender_info.add_ssrc(1234);
1924 video_sender_info.frames_encoded = 10;
1925 video_sender_info.qp_sum = rtc::Optional<uint64_t>(11);
1926 stats_read.senders.push_back(video_sender_info);
1927
1928 EXPECT_CALL(session_, video_channel()).WillRepeatedly(Return(&video_channel));
1929 EXPECT_CALL(session_, voice_channel()).WillRepeatedly(ReturnNull());
1930 EXPECT_CALL(*media_channel, GetStats(_))
1931 .WillOnce(DoAll(SetArgPointee<0>(stats_read), Return(true)));
1932 stats.UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard);
1933 stats.GetStats(NULL, &reports);
1934 EXPECT_EQ(rtc::ToString(video_sender_info.frames_encoded),
1935 ExtractSsrcStatsValue(reports,
1936 StatsReport::kStatsValueNameFramesEncoded));
1937 EXPECT_EQ(rtc::ToString(*video_sender_info.qp_sum),
1938 ExtractSsrcStatsValue(reports, StatsReport::kStatsValueNameQpSum));
1939 }
1940
1941 // This test verifies that stats are correctly set in video receive ssrc stats.
1942 TEST_F(StatsCollectorTest, VerifyVideoReceiveSsrcStats) {
1943 StatsCollectorForTest stats(&pc_);
1944
1945 EXPECT_CALL(session_, GetLocalCertificate(_, _))
1946 .WillRepeatedly(Return(false));
1947 EXPECT_CALL(session_, GetRemoteSSLCertificate_ReturnsRawPointer(_))
1948 .WillRepeatedly(Return(nullptr));
1949
1950 const char kVideoChannelName[] = "video";
1951
1952 InitSessionStats(kVideoChannelName);
1953 EXPECT_CALL(session_, GetTransportStats(_))
1954 .WillRepeatedly(DoAll(SetArgPointee<0>(session_stats_), Return(true)));
1955
1956 MockVideoMediaChannel* media_channel = new MockVideoMediaChannel();
1957 cricket::VideoChannel video_channel(worker_thread_, network_thread_,
1958 media_channel, nullptr, kVideoChannelName,
1959 false);
1960 StatsReports reports; // returned values.
1961 cricket::VideoReceiverInfo video_receiver_info;
1962 cricket::VideoMediaInfo stats_read;
1963
1964 AddIncomingVideoTrackStats();
1965 stats.AddStream(stream_);
1966
1967 // Construct a stats value to read.
1968 video_receiver_info.add_ssrc(1234);
1969 video_receiver_info.frames_decoded = 10;
1970 stats_read.receivers.push_back(video_receiver_info);
1971
1972 EXPECT_CALL(session_, video_channel()).WillRepeatedly(Return(&video_channel));
1973 EXPECT_CALL(session_, voice_channel()).WillRepeatedly(ReturnNull());
1974 EXPECT_CALL(*media_channel, GetStats(_))
1975 .WillOnce(DoAll(SetArgPointee<0>(stats_read), Return(true)));
1976 stats.UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard);
1977 stats.GetStats(NULL, &reports);
1978 EXPECT_EQ(rtc::ToString(video_receiver_info.frames_decoded),
1979 ExtractSsrcStatsValue(reports,
1980 StatsReport::kStatsValueNameFramesDecoded));
1981 }
1982
1983 } // namespace webrtc
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