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https://github.com/wpilibsuite/allwpilib
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e27d6d7bb8
This avoids a number of shutdown use-after-free races by controlling the destruction order. It also is a prerequisite to making the internal interfaces mockable for unit testing.
51 lines
1.4 KiB
C++
51 lines
1.4 KiB
C++
/*----------------------------------------------------------------------------*/
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/* Copyright (c) 2015-2018 FIRST. All Rights Reserved. */
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/* Open Source Software - may be modified and shared by FRC teams. The code */
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/* must be accompanied by the FIRST BSD license file in the root directory of */
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/* the project. */
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/*----------------------------------------------------------------------------*/
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#ifndef CSCORE_TELEMETRY_H_
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#define CSCORE_TELEMETRY_H_
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#include <wpi/SafeThread.h>
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#include "cscore_cpp.h"
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namespace cs {
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class Notifier;
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class SourceImpl;
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class Telemetry {
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friend class TelemetryTest;
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public:
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explicit Telemetry(Notifier& notifier) : m_notifier(notifier) {}
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~Telemetry();
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void Start();
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void Stop();
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// User interface
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void SetPeriod(double seconds);
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double GetElapsedTime();
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int64_t GetValue(CS_Handle handle, CS_TelemetryKind kind, CS_Status* status);
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double GetAverageValue(CS_Handle handle, CS_TelemetryKind kind,
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CS_Status* status);
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// Telemetry events
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void RecordSourceBytes(const SourceImpl& source, int quantity);
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void RecordSourceFrames(const SourceImpl& source, int quantity);
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private:
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Notifier& m_notifier;
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class Thread;
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wpi::SafeThreadOwner<Thread> m_owner;
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};
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} // namespace cs
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#endif // CSCORE_TELEMETRY_H_
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