Release 260111

tools/cabana/streams/abstractstream.h

@@ -0,0 +1,157 @@
+#pragma once
+
+#include <algorithm>
+#include <array>
+#include <condition_variable>
+#include <memory>
+#include <mutex>
+#include <optional>
+#include <set>
+#include <unordered_map>
+#include <utility>
+#include <vector>
+
+#include <QColor>
+#include <QDateTime>
+
+#include "cereal/messaging/messaging.h"
+#include "tools/cabana/dbc/dbcmanager.h"
+#include "tools/cabana/utils/util.h"
+#include "tools/replay/util.h"
+
+struct CanData {
+  void compute(const MessageId &msg_id, const uint8_t *dat, const int size, double current_sec,
+               double playback_speed, const std::vector<uint8_t> &mask, double in_freq = 0);
+
+  double ts = 0.;
+  uint32_t count = 0;
+  double freq = 0;
+  std::vector<uint8_t> dat;
+  std::vector<QColor> colors;
+
+  struct ByteLastChange {
+    double ts = 0;
+    int delta = 0;
+    int same_delta_counter = 0;
+    bool suppressed = false;
+  };
+  std::vector<ByteLastChange> last_changes;
+  std::vector<std::array<uint32_t, 8>> bit_flip_counts;
+  double last_freq_update_ts = 0;
+};
+
+struct CanEvent {
+  uint8_t src;
+  uint32_t address;
+  uint64_t mono_time;
+  uint8_t size;
+  uint8_t dat[];
+};
+
+struct CompareCanEvent {
+  constexpr bool operator()(const CanEvent *const e, uint64_t ts) const { return e->mono_time < ts; }
+  constexpr bool operator()(uint64_t ts, const CanEvent *const e) const { return ts < e->mono_time; }
+};
+
+typedef std::unordered_map<MessageId, std::vector<const CanEvent *>> MessageEventsMap;
+using CanEventIter = std::vector<const CanEvent *>::const_iterator;
+
+class AbstractStream : public QObject {
+  Q_OBJECT
+
+public:
+  AbstractStream(QObject *parent);
+  virtual ~AbstractStream() {}
+  virtual void start() = 0;
+  virtual bool liveStreaming() const { return true; }
+  virtual void seekTo(double ts) {}
+  virtual QString routeName() const = 0;
+  virtual QString carFingerprint() const { return ""; }
+  virtual QDateTime beginDateTime() const { return {}; }
+  virtual uint64_t beginMonoTime() const { return 0; }
+  virtual double minSeconds() const { return 0; }
+  virtual double maxSeconds() const { return 0; }
+  virtual void setSpeed(float speed) {}
+  virtual double getSpeed() { return 1; }
+  virtual bool isPaused() const { return false; }
+  virtual void pause(bool pause) {}
+  void setTimeRange(const std::optional<std::pair<double, double>> &range);
+  const std::optional<std::pair<double, double>> &timeRange() const { return time_range_; }
+
+  inline double currentSec() const { return current_sec_; }
+  inline uint64_t toMonoTime(double sec) const { return beginMonoTime() + std::max(sec, 0.0) * 1e9; }
+  inline double toSeconds(uint64_t mono_time) const { return std::max(0.0, (mono_time - beginMonoTime()) / 1e9); }
+
+  inline const std::unordered_map<MessageId, CanData> &lastMessages() const { return last_msgs; }
+  bool isMessageActive(const MessageId &id) const;
+  inline const MessageEventsMap &eventsMap() const { return events_; }
+  inline const std::vector<const CanEvent *> &allEvents() const { return all_events_; }
+  const CanData &lastMessage(const MessageId &id) const;
+  const std::vector<const CanEvent *> &events(const MessageId &id) const;
+  std::pair<CanEventIter, CanEventIter> eventsInRange(const MessageId &id, std::optional<std::pair<double, double>> time_range) const;
+
+  size_t suppressHighlighted();
+  void clearSuppressed();
+  void suppressDefinedSignals(bool suppress);
+
+signals:
+  void paused();
+  void resume();
+  void seeking(double sec);
+  void seekedTo(double sec);
+  void timeRangeChanged(const std::optional<std::pair<double, double>> &range);
+  void eventsMerged(const MessageEventsMap &events_map);
+  void msgsReceived(const std::set<MessageId> *new_msgs, bool has_new_ids);
+  void sourcesUpdated(const SourceSet &s);
+  void privateUpdateLastMsgsSignal();
+
+public:
+  SourceSet sources;
+
+protected:
+  void mergeEvents(const std::vector<const CanEvent *> &events);
+  const CanEvent *newEvent(uint64_t mono_time, const cereal::CanData::Reader &c);
+  void updateEvent(const MessageId &id, double sec, const uint8_t *data, uint8_t size);
+  void waitForSeekFinshed();
+  std::vector<const CanEvent *> all_events_;
+  double current_sec_ = 0;
+  std::optional<std::pair<double, double>> time_range_;
+
+private:
+  void updateLastMessages();
+  void updateLastMsgsTo(double sec);
+  void updateMasks();
+
+  MessageEventsMap events_;
+  std::unordered_map<MessageId, CanData> last_msgs;
+  std::unique_ptr<MonotonicBuffer> event_buffer_;
+
+  // Members accessed in multiple threads. (mutex protected)
+  std::mutex mutex_;
+  std::condition_variable seek_finished_cv_;
+  bool seek_finished_ = false;
+  std::set<MessageId> new_msgs_;
+  std::unordered_map<MessageId, CanData> messages_;
+  std::unordered_map<MessageId, std::vector<uint8_t>> masks_;
+};
+
+class AbstractOpenStreamWidget : public QWidget {
+  Q_OBJECT
+public:
+  AbstractOpenStreamWidget(QWidget *parent = nullptr) : QWidget(parent) {}
+  virtual AbstractStream *open() = 0;
+
+signals:
+  void enableOpenButton(bool);
+};
+
+class DummyStream : public AbstractStream {
+  Q_OBJECT
+public:
+  DummyStream(QObject *parent) : AbstractStream(parent) {}
+  QString routeName() const override { return tr("No Stream"); }
+  void start() override {}
+};
+
+// A global pointer referring to the unique AbstractStream object
+extern AbstractStream *can;