55 lines
1.5 KiB
C++
55 lines
1.5 KiB
C++
#pragma once
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#include <algorithm>
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#include <atomic>
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#include <memory>
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#include <thread>
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#include <vector>
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#include "tools/cabana/streams/abstractstream.h"
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class LiveStream : public AbstractStream {
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public:
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LiveStream();
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virtual ~LiveStream();
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void start() override;
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void stop();
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inline std::chrono::system_clock::time_point beginDateTime() const override { return begin_date_time; }
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inline uint64_t beginMonoTime() const override { return begin_event_ts; }
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double maxSeconds() const override { return std::max(1.0, (lastest_event_ts - begin_event_ts) / 1e9); }
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void setSpeed(float speed) override { speed_ = speed; }
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double getSpeed() override { return speed_; }
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bool isPaused() const override { return paused_; }
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void pause(bool pause) override;
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void seekTo(double sec) override;
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protected:
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virtual void streamThread() = 0;
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void handleEvent(kj::ArrayPtr<capnp::word> event);
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std::atomic<bool> exit_ = false;
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private:
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void updateThread();
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void updateLastMessages() override;
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void updateEvents();
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std::mutex lock;
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std::thread stream_thread, update_thread;
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std::atomic<bool> update_pending_ = false;
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std::vector<const CanEvent *> received_events_;
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std::chrono::system_clock::time_point begin_date_time;
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uint64_t begin_event_ts = 0;
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uint64_t lastest_event_ts = 0;
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uint64_t current_event_ts = 0;
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uint64_t first_event_ts = 0;
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uint64_t first_update_ts = 0;
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bool post_last_event = true;
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double speed_ = 1;
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bool paused_ = false;
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struct Logger;
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std::unique_ptr<Logger> logger;
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};
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