New parser for event log. Manually parse the outermost EventStream

webrtc/call/rtc_event_log_unittest_helper.cc

+/*
+ *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifdef ENABLE_RTC_EVENT_LOG
+
+#include "webrtc/call/rtc_event_log_unittest_helper.h"
+
+#include <cstring>

[ivoc, 2016/04/01 08:27:59]

I thought the convention was to use <string.h> style includes, for C libraries.

[terelius, 2016/04/19 17:01:45]

Done.

+#include <string>
+
+#include "testing/gtest/include/gtest/gtest.h"
+#include "webrtc/base/checks.h"
+#include "webrtc/test/test_suite.h"
+#include "webrtc/test/testsupport/fileutils.h"
+
+// Files generated at build-time by the protobuf compiler.
+#ifdef WEBRTC_ANDROID_PLATFORM_BUILD
+#include "external/webrtc/webrtc/call/rtc_event_log.pb.h"
+#else
+#include "webrtc/call/rtc_event_log.pb.h"
+#endif
+
+namespace webrtc {
+
+namespace {
+MediaType GetRuntimeMediaType(rtclog::MediaType media_type) {
+  switch (media_type) {
+    case rtclog::MediaType::ANY:
+      return MediaType::ANY;
+    case rtclog::MediaType::AUDIO:
+      return MediaType::AUDIO;
+    case rtclog::MediaType::VIDEO:
+      return MediaType::VIDEO;
+    case rtclog::MediaType::DATA:
+      return MediaType::DATA;
+  }
+  RTC_NOTREACHED();
+  return MediaType::ANY;
+}
+}  // namespace
+
+// Checks that the event has a timestamp, a type and exactly the data field
+// corresponding to the type.
+::testing::AssertionResult IsValidBasicEvent(const rtclog::Event& event) {
+  if (!event.has_timestamp_us())
+    return ::testing::AssertionFailure() << "Event has no timestamp";
+  if (!event.has_type())
+    return ::testing::AssertionFailure() << "Event has no event type";
+  rtclog::Event_EventType type = event.type();
+  if ((type == rtclog::Event::RTP_EVENT) != event.has_rtp_packet())
+    return ::testing::AssertionFailure()
+           << "Event of type " << type << " has "
+           << (event.has_rtp_packet() ? "" : "no ") << "RTP packet";
+  if ((type == rtclog::Event::RTCP_EVENT) != event.has_rtcp_packet())
+    return ::testing::AssertionFailure()
+           << "Event of type " << type << " has "
+           << (event.has_rtcp_packet() ? "" : "no ") << "RTCP packet";
+  if ((type == rtclog::Event::AUDIO_PLAYOUT_EVENT) !=
+      event.has_audio_playout_event())
+    return ::testing::AssertionFailure()
+           << "Event of type " << type << " has "
+           << (event.has_audio_playout_event() ? "" : "no ")
+           << "audio_playout event";
+  if ((type == rtclog::Event::VIDEO_RECEIVER_CONFIG_EVENT) !=
+      event.has_video_receiver_config())
+    return ::testing::AssertionFailure()
+           << "Event of type " << type << " has "
+           << (event.has_video_receiver_config() ? "" : "no ")
+           << "receiver config";
+  if ((type == rtclog::Event::VIDEO_SENDER_CONFIG_EVENT) !=
+      event.has_video_sender_config())
+    return ::testing::AssertionFailure()
+           << "Event of type " << type << " has "
+           << (event.has_video_sender_config() ? "" : "no ") << "sender config";
+  if ((type == rtclog::Event::AUDIO_RECEIVER_CONFIG_EVENT) !=
+      event.has_audio_receiver_config()) {
+    return ::testing::AssertionFailure()
+           << "Event of type " << type << " has "
+           << (event.has_audio_receiver_config() ? "" : "no ")
+           << "audio receiver config";
+  }
+  if ((type == rtclog::Event::AUDIO_SENDER_CONFIG_EVENT) !=
+      event.has_audio_sender_config()) {
+    return ::testing::AssertionFailure()
+           << "Event of type " << type << " has "
+           << (event.has_audio_sender_config() ? "" : "no ")
+           << "audio sender config";
+  }
+  return ::testing::AssertionSuccess();
+}
+
+void RtcEventLogTestHelper::VerifyReceiveStreamConfig(
+    const ParsedRtcEventLog& parsed_log,
+    size_t index,
+    const VideoReceiveStream::Config& config) {
+  const rtclog::Event& event = parsed_log.stream_[index];
+  ASSERT_TRUE(IsValidBasicEvent(event));
+  ASSERT_EQ(rtclog::Event::VIDEO_RECEIVER_CONFIG_EVENT, event.type());
+  const rtclog::VideoReceiveConfig& receiver_config =
+      event.video_receiver_config();
+  // Check SSRCs.
+  ASSERT_TRUE(receiver_config.has_remote_ssrc());
+  EXPECT_EQ(config.rtp.remote_ssrc, receiver_config.remote_ssrc());
+  ASSERT_TRUE(receiver_config.has_local_ssrc());
+  EXPECT_EQ(config.rtp.local_ssrc, receiver_config.local_ssrc());
+  // Check RTCP settings.
+  ASSERT_TRUE(receiver_config.has_rtcp_mode());
+  if (config.rtp.rtcp_mode == RtcpMode::kCompound)
+    EXPECT_EQ(rtclog::VideoReceiveConfig::RTCP_COMPOUND,
+              receiver_config.rtcp_mode());
+  else
+    EXPECT_EQ(rtclog::VideoReceiveConfig::RTCP_REDUCEDSIZE,
+              receiver_config.rtcp_mode());
+  ASSERT_TRUE(receiver_config.has_remb());
+  EXPECT_EQ(config.rtp.remb, receiver_config.remb());
+  // Check RTX map.
+  ASSERT_EQ(static_cast<int>(config.rtp.rtx.size()),
+            receiver_config.rtx_map_size());
+  for (const rtclog::RtxMap& rtx_map : receiver_config.rtx_map()) {
+    ASSERT_TRUE(rtx_map.has_payload_type());
+    ASSERT_TRUE(rtx_map.has_config());
+    EXPECT_EQ(1u, config.rtp.rtx.count(rtx_map.payload_type()));
+    const rtclog::RtxConfig& rtx_config = rtx_map.config();
+    const VideoReceiveStream::Config::Rtp::Rtx& rtx =
+        config.rtp.rtx.at(rtx_map.payload_type());
+    ASSERT_TRUE(rtx_config.has_rtx_ssrc());
+    ASSERT_TRUE(rtx_config.has_rtx_payload_type());
+    EXPECT_EQ(rtx.ssrc, rtx_config.rtx_ssrc());
+    EXPECT_EQ(rtx.payload_type, rtx_config.rtx_payload_type());
+  }
+  // Check header extensions.
+  ASSERT_EQ(static_cast<int>(config.rtp.extensions.size()),
+            receiver_config.header_extensions_size());
+  for (int i = 0; i < receiver_config.header_extensions_size(); i++) {
+    ASSERT_TRUE(receiver_config.header_extensions(i).has_name());
+    ASSERT_TRUE(receiver_config.header_extensions(i).has_id());
+    const std::string& name = receiver_config.header_extensions(i).name();
+    int id = receiver_config.header_extensions(i).id();
+    EXPECT_EQ(config.rtp.extensions[i].id, id);
+    EXPECT_EQ(config.rtp.extensions[i].name, name);
+  }
+  // Check decoders.
+  ASSERT_EQ(static_cast<int>(config.decoders.size()),
+            receiver_config.decoders_size());
+  for (int i = 0; i < receiver_config.decoders_size(); i++) {
+    ASSERT_TRUE(receiver_config.decoders(i).has_name());
+    ASSERT_TRUE(receiver_config.decoders(i).has_payload_type());
+    const std::string& decoder_name = receiver_config.decoders(i).name();
+    int decoder_type = receiver_config.decoders(i).payload_type();
+    EXPECT_EQ(config.decoders[i].payload_name, decoder_name);
+    EXPECT_EQ(config.decoders[i].payload_type, decoder_type);
+  }
+
+  // Check consistency of the parser.
+  VideoReceiveStream::Config parsed_config(nullptr);
+  parsed_log.GetVideoReceiveConfig(index, &parsed_config);
+  EXPECT_EQ(config.rtp.remote_ssrc, parsed_config.rtp.remote_ssrc);
+  EXPECT_EQ(config.rtp.local_ssrc, parsed_config.rtp.local_ssrc);
+  // Check RTCP settings.
+  EXPECT_EQ(config.rtp.rtcp_mode, parsed_config.rtp.rtcp_mode);
+  EXPECT_EQ(config.rtp.remb, parsed_config.rtp.remb);
+  // Check RTX map.
+  EXPECT_EQ(config.rtp.rtx.size(), parsed_config.rtp.rtx.size());
+  for (const auto& kv : config.rtp.rtx) {
+    auto parsed_kv = parsed_config.rtp.rtx.find(kv.first);
+    EXPECT_EQ(kv.first, parsed_kv->first);
+    EXPECT_EQ(kv.second.ssrc, parsed_kv->second.ssrc);
+    EXPECT_EQ(kv.second.payload_type, parsed_kv->second.payload_type);
+  }
+  // Check header extensions.
+  EXPECT_EQ(config.rtp.extensions.size(), parsed_config.rtp.extensions.size());
+  for (size_t i = 0; i < parsed_config.rtp.extensions.size(); i++) {
+    EXPECT_EQ(config.rtp.extensions[i].name,
+              parsed_config.rtp.extensions[i].name);
+    EXPECT_EQ(config.rtp.extensions[i].id, parsed_config.rtp.extensions[i].id);
+  }
+  // Check decoders.
+  EXPECT_EQ(config.decoders.size(), parsed_config.decoders.size());
+  for (size_t i = 0; i < parsed_config.decoders.size(); i++) {
+    EXPECT_EQ(config.decoders[i].payload_name,
+              parsed_config.decoders[i].payload_name);
+    EXPECT_EQ(config.decoders[i].payload_type,
+              parsed_config.decoders[i].payload_type);
+  }
+}
+
+void RtcEventLogTestHelper::VerifySendStreamConfig(
+    const ParsedRtcEventLog& parsed_log,
+    size_t index,
+    const VideoSendStream::Config& config) {
+  const rtclog::Event& event = parsed_log.stream_[index];
+  ASSERT_TRUE(IsValidBasicEvent(event));
+  ASSERT_EQ(rtclog::Event::VIDEO_SENDER_CONFIG_EVENT, event.type());
+  const rtclog::VideoSendConfig& sender_config = event.video_sender_config();
+  // Check SSRCs.
+  ASSERT_EQ(static_cast<int>(config.rtp.ssrcs.size()),
+            sender_config.ssrcs_size());
+  for (int i = 0; i < sender_config.ssrcs_size(); i++) {
+    EXPECT_EQ(config.rtp.ssrcs[i], sender_config.ssrcs(i));
+  }
+  // Check header extensions.
+  ASSERT_EQ(static_cast<int>(config.rtp.extensions.size()),
+            sender_config.header_extensions_size());
+  for (int i = 0; i < sender_config.header_extensions_size(); i++) {
+    ASSERT_TRUE(sender_config.header_extensions(i).has_name());
+    ASSERT_TRUE(sender_config.header_extensions(i).has_id());
+    const std::string& name = sender_config.header_extensions(i).name();
+    int id = sender_config.header_extensions(i).id();
+    EXPECT_EQ(config.rtp.extensions[i].id, id);
+    EXPECT_EQ(config.rtp.extensions[i].name, name);
+  }
+  // Check RTX settings.
+  ASSERT_EQ(static_cast<int>(config.rtp.rtx.ssrcs.size()),
+            sender_config.rtx_ssrcs_size());
+  for (int i = 0; i < sender_config.rtx_ssrcs_size(); i++) {
+    EXPECT_EQ(config.rtp.rtx.ssrcs[i], sender_config.rtx_ssrcs(i));
+  }
+  if (sender_config.rtx_ssrcs_size() > 0) {
+    ASSERT_TRUE(sender_config.has_rtx_payload_type());
+    EXPECT_EQ(config.rtp.rtx.payload_type, sender_config.rtx_payload_type());
+  }
+  // Check encoder.
+  ASSERT_TRUE(sender_config.has_encoder());
+  ASSERT_TRUE(sender_config.encoder().has_name());
+  ASSERT_TRUE(sender_config.encoder().has_payload_type());
+  EXPECT_EQ(config.encoder_settings.payload_name,
+            sender_config.encoder().name());
+  EXPECT_EQ(config.encoder_settings.payload_type,
+            sender_config.encoder().payload_type());
+
+  // Check consistency of the parser.
+  VideoSendStream::Config parsed_config(nullptr);
+  parsed_log.GetVideoSendConfig(index, &parsed_config);
+  // Check SSRCs
+  EXPECT_EQ(config.rtp.ssrcs.size(), parsed_config.rtp.ssrcs.size());
+  for (size_t i = 0; i < config.rtp.ssrcs.size(); i++) {
+    EXPECT_EQ(config.rtp.ssrcs[i], parsed_config.rtp.ssrcs[i]);
+  }
+  // Check header extensions.
+  EXPECT_EQ(config.rtp.extensions.size(), parsed_config.rtp.extensions.size());
+  for (size_t i = 0; i < parsed_config.rtp.extensions.size(); i++) {
+    EXPECT_EQ(config.rtp.extensions[i].name,
+              parsed_config.rtp.extensions[i].name);
+    EXPECT_EQ(config.rtp.extensions[i].id, parsed_config.rtp.extensions[i].id);
+  }
+  // Check RTX settings.
+  EXPECT_EQ(config.rtp.rtx.ssrcs.size(), parsed_config.rtp.rtx.ssrcs.size());
+  for (size_t i = 0; i < config.rtp.rtx.ssrcs.size(); i++) {
+    EXPECT_EQ(config.rtp.rtx.ssrcs[i], parsed_config.rtp.rtx.ssrcs[i]);
+  }
+  EXPECT_EQ(config.rtp.rtx.payload_type, parsed_config.rtp.rtx.payload_type);
+  // Check encoder.
+  EXPECT_EQ(config.encoder_settings.payload_name,
+            parsed_config.encoder_settings.payload_name);
+  EXPECT_EQ(config.encoder_settings.payload_type,
+            parsed_config.encoder_settings.payload_type);
+}
+
+void RtcEventLogTestHelper::VerifyRtpEvent(const ParsedRtcEventLog& parsed_log,
+                                           size_t index,
+                                           PacketDirection direction,
+                                           MediaType media_type,
+                                           const uint8_t* header,
+                                           size_t header_size,
+                                           size_t total_size) {
+  const rtclog::Event& event = parsed_log.stream_[index];
+  ASSERT_TRUE(IsValidBasicEvent(event));
+  ASSERT_EQ(rtclog::Event::RTP_EVENT, event.type());
+  const rtclog::RtpPacket& rtp_packet = event.rtp_packet();
+  ASSERT_TRUE(rtp_packet.has_incoming());
+  EXPECT_EQ(direction == kIncomingPacket, rtp_packet.incoming());
+  ASSERT_TRUE(rtp_packet.has_type());
+  EXPECT_EQ(media_type, GetRuntimeMediaType(rtp_packet.type()));
+  ASSERT_TRUE(rtp_packet.has_packet_length());
+  EXPECT_EQ(total_size, rtp_packet.packet_length());
+  ASSERT_TRUE(rtp_packet.has_header());
+  ASSERT_EQ(header_size, rtp_packet.header().size());
+  for (size_t i = 0; i < header_size; i++) {
+    EXPECT_EQ(header[i], static_cast<uint8_t>(rtp_packet.header()[i]));
+  }
+
+  // Check consistency of the parser.
+  PacketDirection parsed_direction;
+  MediaType parsed_media_type;
+  uint8_t parsed_header[1500];
+  size_t parsed_header_size, parsed_total_size;
+  parsed_log.GetRtpHeader(index, &parsed_direction, &parsed_media_type,
+                          parsed_header, &parsed_header_size,
+                          &parsed_total_size);
+  EXPECT_EQ(direction, parsed_direction);
+  EXPECT_EQ(media_type, parsed_media_type);
+  ASSERT_EQ(header_size, parsed_header_size);
+  EXPECT_EQ(0, std::memcmp(header, parsed_header, header_size));
+  EXPECT_EQ(total_size, parsed_total_size);
+}
+
+void RtcEventLogTestHelper::VerifyRtcpEvent(const ParsedRtcEventLog& parsed_log,
+                                            size_t index,
+                                            PacketDirection direction,
+                                            MediaType media_type,
+                                            const uint8_t* packet,
+                                            size_t total_size) {
+  const rtclog::Event& event = parsed_log.stream_[index];
+  ASSERT_TRUE(IsValidBasicEvent(event));
+  ASSERT_EQ(rtclog::Event::RTCP_EVENT, event.type());
+  const rtclog::RtcpPacket& rtcp_packet = event.rtcp_packet();
+  ASSERT_TRUE(rtcp_packet.has_incoming());
+  EXPECT_EQ(direction == kIncomingPacket, rtcp_packet.incoming());
+  ASSERT_TRUE(rtcp_packet.has_type());
+  EXPECT_EQ(media_type, GetRuntimeMediaType(rtcp_packet.type()));
+  ASSERT_TRUE(rtcp_packet.has_packet_data());
+  ASSERT_EQ(total_size, rtcp_packet.packet_data().size());
+  for (size_t i = 0; i < total_size; i++) {
+    EXPECT_EQ(packet[i], static_cast<uint8_t>(rtcp_packet.packet_data()[i]));
+  }
+
+  // Check consistency of the parser.
+  PacketDirection parsed_direction;
+  MediaType parsed_media_type;
+  uint8_t parsed_packet[1500];
+  size_t parsed_total_size;
+  parsed_log.GetRtcpPacket(index, &parsed_direction, &parsed_media_type,
+                           parsed_packet, &parsed_total_size);
+  EXPECT_EQ(direction, parsed_direction);
+  EXPECT_EQ(media_type, parsed_media_type);
+  ASSERT_EQ(total_size, parsed_total_size);
+  EXPECT_EQ(0, std::memcmp(packet, parsed_packet, total_size));
+}
+
+void RtcEventLogTestHelper::VerifyPlayoutEvent(
+    const ParsedRtcEventLog& parsed_log,
+    size_t index,
+    uint32_t ssrc) {
+  const rtclog::Event& event = parsed_log.stream_[index];
+  ASSERT_TRUE(IsValidBasicEvent(event));
+  ASSERT_EQ(rtclog::Event::AUDIO_PLAYOUT_EVENT, event.type());
+  const rtclog::AudioPlayoutEvent& playout_event = event.audio_playout_event();
+  ASSERT_TRUE(playout_event.has_local_ssrc());
+  EXPECT_EQ(ssrc, playout_event.local_ssrc());
+
+  // Check consistency of the parser.
+  uint32_t parsed_ssrc;
+  parsed_log.GetAudioPlayout(index, &parsed_ssrc);
+  EXPECT_EQ(ssrc, parsed_ssrc);
+}
+
+void RtcEventLogTestHelper::VerifyBweLossEvent(
+    const ParsedRtcEventLog& parsed_log,
+    size_t index,
+    int32_t bitrate,
+    uint8_t fraction_loss,
+    int32_t total_packets) {
+  const rtclog::Event& event = parsed_log.stream_[index];
+  ASSERT_TRUE(IsValidBasicEvent(event));
+  ASSERT_EQ(rtclog::Event::BWE_PACKET_LOSS_EVENT, event.type());
+  const rtclog::BwePacketLossEvent& bwe_event = event.bwe_packet_loss_event();
+  ASSERT_TRUE(bwe_event.has_bitrate());
+  EXPECT_EQ(bitrate, bwe_event.bitrate());
+  ASSERT_TRUE(bwe_event.has_fraction_loss());
+  EXPECT_EQ(fraction_loss, bwe_event.fraction_loss());
+  ASSERT_TRUE(bwe_event.has_total_packets());
+  EXPECT_EQ(total_packets, bwe_event.total_packets());
+
+  // Check consistency of the parser.
+  int32_t parsed_bitrate;
+  uint8_t parsed_fraction_loss;
+  int32_t parsed_total_packets;
+  parsed_log.GetBwePacketLossEvent(
+      index, &parsed_bitrate, &parsed_fraction_loss, &parsed_total_packets);
+  EXPECT_EQ(bitrate, parsed_bitrate);
+  EXPECT_EQ(fraction_loss, parsed_fraction_loss);
+  EXPECT_EQ(total_packets, parsed_total_packets);
+}
+
+void RtcEventLogTestHelper::VerifyLogStartEvent(
+    const ParsedRtcEventLog& parsed_log,
+    size_t index) {
+  const rtclog::Event& event = parsed_log.stream_[index];
+  ASSERT_TRUE(IsValidBasicEvent(event));
+  EXPECT_EQ(rtclog::Event::LOG_START, event.type());
+}
+
+void RtcEventLogTestHelper::VerifyLogEndEvent(
+    const ParsedRtcEventLog& parsed_log,
+    size_t index) {
+  const rtclog::Event& event = parsed_log.stream_[index];
+  ASSERT_TRUE(IsValidBasicEvent(event));
+  EXPECT_EQ(rtclog::Event::LOG_END, event.type());
+}
+
+}  // namespace webrtc
+
+#endif  // ENABLE_RTC_EVENT_LOG