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https://github.com/gnif/LookingGlass.git
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efb397bbaf
Do not publish the default all-off LED value until Windows supplies a real HID output report. Treat the first all-off report as valid and retain known state across pipe reconnects. Serialize feedback processing with connection invalidation so a stale message cannot restore validity after disconnect.
64 lines
2.1 KiB
C++
64 lines
2.1 KiB
C++
/**
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* Looking Glass
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* Copyright © 2017-2026 The Looking Glass Authors
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* https://looking-glass.io
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc., 59
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* Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#pragma once
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#include "CPipeEndpoint.h"
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#include "CSRWLock.h"
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#include <stddef.h>
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#include <stdint.h>
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class CInputPipeClient : private IPipeEndpointHandler
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{
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public:
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~CInputPipeClient() { Stop(); }
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bool Start();
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void Stop();
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void UpdateKeyboardLEDs(uint8_t leds);
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private:
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static constexpr ULONGLONG STATISTICS_INTERVAL_MS = 5000;
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void OnPipeConnected() override;
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void OnPipeDisconnected() override;
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bool OnPipeMessage(const void * message, size_t size) override;
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bool HandleMouseRelative(const void * payload, size_t size);
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bool HandleMouseAbsolute(const void * payload, size_t size);
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bool HandleKeyboard(const void * payload, size_t size);
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bool SubmitReport(const void * report, size_t size);
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bool SendKeyboardLEDsLocked();
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void LogStatistics(bool force);
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CPipeEndpoint m_endpoint;
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CSRWLock m_feedbackLock;
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bool m_feedbackReady = false;
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bool m_keyboardLEDsValid = false;
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uint64_t m_feedbackSequence = 0;
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uint8_t m_keyboardLEDs = 0;
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uint64_t m_lastSequence = 0;
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uint64_t m_statReceived = 0;
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uint64_t m_statMalformed = 0;
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uint64_t m_statSequenceResets = 0;
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uint64_t m_statSubmitFailed = 0;
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ULONGLONG m_lastStatistics = 0;
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};
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