mirror of
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.
77 lines
2.1 KiB
C++
77 lines
2.1 KiB
C++
/*----------------------------------------------------------------------------*/
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/* Copyright (c) 2016-2018 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_SINKIMPL_H_
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#define CSCORE_SINKIMPL_H_
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#include <memory>
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#include <string>
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#include <wpi/Logger.h>
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#include <wpi/StringRef.h>
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#include <wpi/Twine.h>
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#include <wpi/mutex.h>
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#include "SourceImpl.h"
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namespace cs {
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class Frame;
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class Notifier;
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class Telemetry;
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class SinkImpl : public PropertyContainer {
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public:
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explicit SinkImpl(const wpi::Twine& name, wpi::Logger& logger,
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Notifier& notifier, Telemetry& telemetry);
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virtual ~SinkImpl();
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SinkImpl(const SinkImpl& queue) = delete;
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SinkImpl& operator=(const SinkImpl& queue) = delete;
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wpi::StringRef GetName() const { return m_name; }
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void SetDescription(const wpi::Twine& description);
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wpi::StringRef GetDescription(wpi::SmallVectorImpl<char>& buf) const;
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void Enable();
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void Disable();
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void SetEnabled(bool enabled);
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void SetSource(std::shared_ptr<SourceImpl> source);
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std::shared_ptr<SourceImpl> GetSource() const {
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std::lock_guard<wpi::mutex> lock(m_mutex);
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return m_source;
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}
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std::string GetError() const;
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wpi::StringRef GetError(wpi::SmallVectorImpl<char>& buf) const;
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protected:
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// PropertyContainer implementation
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void NotifyPropertyCreated(int propIndex, PropertyImpl& prop) override;
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void UpdatePropertyValue(int property, bool setString, int value,
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const wpi::Twine& valueStr) override;
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virtual void SetSourceImpl(std::shared_ptr<SourceImpl> source);
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protected:
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wpi::Logger& m_logger;
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Notifier& m_notifier;
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Telemetry& m_telemetry;
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private:
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std::string m_name;
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std::string m_description;
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std::shared_ptr<SourceImpl> m_source;
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int m_enabledCount{0};
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};
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} // namespace cs
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#endif // CSCORE_SINKIMPL_H_
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