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ac4e0b6f46
Forwarding headers like rtc_event_log2_proto_include.h and test/gtest.h were omitted. Presubmit gn checks for existing (implicit) dependencies were disabled. Bug: webrtc:42226242 Change-Id: Id08ae1b244db1a6f65069775f47deec05191ff89 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/350923 Reviewed-by: Jeremy Leconte <jleconte@google.com> Commit-Queue: Björn Terelius <terelius@webrtc.org> Cr-Commit-Position: refs/heads/main@{#42393}
61 lines
2.2 KiB
C++
61 lines
2.2 KiB
C++
/*
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* Copyright 2019 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "logging/rtc_event_log/rtc_event_processor.h"
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#include <algorithm>
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#include <cstdint>
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#include "absl/types/optional.h"
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#include "rtc_base/numerics/sequence_number_util.h"
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namespace webrtc {
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RtcEventProcessor::RtcEventProcessor() = default;
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RtcEventProcessor::~RtcEventProcessor() = default;
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void RtcEventProcessor::ProcessEventsInOrder() {
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// `event_lists_` is a min-heap of lists ordered by the timestamp of the
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// first element in the list. We therefore process the first element of the
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// first list, then reinsert the remainder of that list into the heap
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// if the list still contains unprocessed elements.
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std::make_heap(event_lists_.begin(), event_lists_.end(), Cmp);
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while (!event_lists_.empty()) {
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event_lists_.front()->ProcessNext();
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std::pop_heap(event_lists_.begin(), event_lists_.end(), Cmp);
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if (event_lists_.back()->IsEmpty()) {
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event_lists_.pop_back();
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} else {
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std::push_heap(event_lists_.begin(), event_lists_.end(), Cmp);
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}
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}
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}
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bool RtcEventProcessor::Cmp(const RtcEventProcessor::ListPtrType& a,
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const RtcEventProcessor::ListPtrType& b) {
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int64_t time_diff = a->GetNextTime() - b->GetNextTime();
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if (time_diff != 0)
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return time_diff > 0;
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if (a->GetTypeOrder() != b->GetTypeOrder())
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return a->GetTypeOrder() > b->GetTypeOrder();
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absl::optional<uint16_t> wrapped_seq_num_a = a->GetTransportSeqNum();
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absl::optional<uint16_t> wrapped_seq_num_b = b->GetTransportSeqNum();
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if (wrapped_seq_num_a && wrapped_seq_num_b) {
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return AheadOf<uint16_t>(*wrapped_seq_num_a, *wrapped_seq_num_b);
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} else if (wrapped_seq_num_a.has_value() != wrapped_seq_num_b.has_value()) {
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return wrapped_seq_num_a.has_value();
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}
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return a->GetInsertionOrder() > b->GetInsertionOrder();
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}
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} // namespace webrtc
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