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af9a3c6676
Bug: webrtc:12338 Change-Id: I87d33f201d4acfb26ca1d2da8a52cc188ff2c791 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/226948 Commit-Queue: Artem Titov <titovartem@webrtc.org> Reviewed-by: Harald Alvestrand <hta@webrtc.org> Cr-Commit-Position: refs/heads/master@{#34609}
94 lines
3.5 KiB
C++
94 lines
3.5 KiB
C++
/*
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* Copyright (c) 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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#ifndef LOGGING_RTC_EVENT_LOG_RTC_EVENT_LOG_IMPL_H_
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#define LOGGING_RTC_EVENT_LOG_RTC_EVENT_LOG_IMPL_H_
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#include <cstddef>
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#include <cstdint>
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#include <deque>
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#include <memory>
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#include <string>
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#include "absl/types/optional.h"
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#include "api/rtc_event_log/rtc_event.h"
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#include "api/rtc_event_log/rtc_event_log.h"
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#include "api/rtc_event_log_output.h"
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#include "api/sequence_checker.h"
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#include "api/task_queue/task_queue_factory.h"
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#include "logging/rtc_event_log/encoder/rtc_event_log_encoder.h"
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#include "rtc_base/system/no_unique_address.h"
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#include "rtc_base/task_queue.h"
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#include "rtc_base/thread_annotations.h"
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namespace webrtc {
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class RtcEventLogImpl final : public RtcEventLog {
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public:
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RtcEventLogImpl(EncodingType encoding_type,
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TaskQueueFactory* task_queue_factory);
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RtcEventLogImpl(const RtcEventLogImpl&) = delete;
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RtcEventLogImpl& operator=(const RtcEventLogImpl&) = delete;
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~RtcEventLogImpl() override;
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// TODO(eladalon): We should change these name to reflect that what we're
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// actually starting/stopping is the output of the log, not the log itself.
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bool StartLogging(std::unique_ptr<RtcEventLogOutput> output,
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int64_t output_period_ms) override;
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void StopLogging() override;
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void StopLogging(std::function<void()> callback) override;
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void Log(std::unique_ptr<RtcEvent> event) override;
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private:
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void LogToMemory(std::unique_ptr<RtcEvent> event) RTC_RUN_ON(task_queue_);
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void LogEventsFromMemoryToOutput() RTC_RUN_ON(task_queue_);
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void StopOutput() RTC_RUN_ON(task_queue_);
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void WriteConfigsAndHistoryToOutput(const std::string& encoded_configs,
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const std::string& encoded_history)
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RTC_RUN_ON(task_queue_);
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void WriteToOutput(const std::string& output_string) RTC_RUN_ON(task_queue_);
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void StopLoggingInternal() RTC_RUN_ON(task_queue_);
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void ScheduleOutput() RTC_RUN_ON(task_queue_);
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// History containing all past configuration events.
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std::deque<std::unique_ptr<RtcEvent>> config_history_
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RTC_GUARDED_BY(*task_queue_);
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// History containing the most recent (non-configuration) events (~10s).
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std::deque<std::unique_ptr<RtcEvent>> history_ RTC_GUARDED_BY(*task_queue_);
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std::unique_ptr<RtcEventLogEncoder> event_encoder_
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RTC_GUARDED_BY(*task_queue_);
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std::unique_ptr<RtcEventLogOutput> event_output_ RTC_GUARDED_BY(*task_queue_);
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size_t num_config_events_written_ RTC_GUARDED_BY(*task_queue_);
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absl::optional<int64_t> output_period_ms_ RTC_GUARDED_BY(*task_queue_);
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int64_t last_output_ms_ RTC_GUARDED_BY(*task_queue_);
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bool output_scheduled_ RTC_GUARDED_BY(*task_queue_);
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RTC_NO_UNIQUE_ADDRESS SequenceChecker logging_state_checker_;
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bool logging_state_started_ RTC_GUARDED_BY(logging_state_checker_);
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// Since we are posting tasks bound to `this`, it is critical that the event
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// log and its members outlive `task_queue_`. Keep the `task_queue_`
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// last to ensure it destructs first, or else tasks living on the queue might
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// access other members after they've been torn down.
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std::unique_ptr<rtc::TaskQueue> task_queue_;
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};
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} // namespace webrtc
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#endif // LOGGING_RTC_EVENT_LOG_RTC_EVENT_LOG_IMPL_H_
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