xref: /aosp_15_r20/external/webrtc/logging/rtc_event_log/events/rtc_event_end_log.cc (revision d9f758449e529ab9291ac668be2861e7a55c2422)
1 /*
2  *  Copyright (c) 2021 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 "logging/rtc_event_log/events/rtc_event_end_log.h"
12 
13 #include "absl/strings/string_view.h"
14 
15 namespace webrtc {
16 constexpr RtcEvent::Type RtcEventEndLog::kType;
17 constexpr EventParameters RtcEventEndLog::event_params_;
18 
RtcEventEndLog(Timestamp timestamp)19 RtcEventEndLog::RtcEventEndLog(Timestamp timestamp)
20     : RtcEvent(timestamp.us()) {}
21 
RtcEventEndLog(const RtcEventEndLog & other)22 RtcEventEndLog::RtcEventEndLog(const RtcEventEndLog& other)
23     : RtcEvent(other.timestamp_us_) {}
24 
25 RtcEventEndLog::~RtcEventEndLog() = default;
26 
Encode(rtc::ArrayView<const RtcEvent * > batch)27 std::string RtcEventEndLog::Encode(rtc::ArrayView<const RtcEvent*> batch) {
28   EventEncoder encoder(event_params_, batch);
29   return encoder.AsString();
30 }
31 
Parse(absl::string_view encoded_bytes,bool batched,std::vector<LoggedStopEvent> & output)32 RtcEventLogParseStatus RtcEventEndLog::Parse(
33     absl::string_view encoded_bytes,
34     bool batched,
35     std::vector<LoggedStopEvent>& output) {
36   EventParser parser;
37   auto status = parser.Initialize(encoded_bytes, batched);
38   if (!status.ok())
39     return status;
40 
41   rtc::ArrayView<LoggedStopEvent> output_batch =
42       ExtendLoggedBatch(output, parser.NumEventsInBatch());
43 
44   constexpr FieldParameters timestamp_params{
45       "timestamp_ms", FieldParameters::kTimestampField, FieldType::kVarInt, 64};
46   RtcEventLogParseStatusOr<rtc::ArrayView<uint64_t>> result =
47       parser.ParseNumericField(timestamp_params);
48   if (!result.ok())
49     return result.status();
50   status = PopulateRtcEventTimestamp(result.value(),
51                                      &LoggedStopEvent::timestamp, output_batch);
52   if (!status.ok())
53     return status;
54 
55   return RtcEventLogParseStatus::Success();
56 }
57 
58 }  // namespace webrtc
59