Files
LookingGlass/idd/LGIdd/ipc/CPipeServer.h
2026-08-17 02:09:58 +10:00

127 lines
4.2 KiB
C++

/**
* Looking Glass
* Copyright © 2017-2026 The Looking Glass Authors
* https://looking-glass.io
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc., 59
* Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#pragma once
#include <windows.h>
#include <wdf.h>
#include <stdint.h>
#include <vector>
#include "CPipeEndpoint.h"
#include "CClipboardChannel.h"
#include "CSRWLock.h"
#include "PipeMsg.h"
class CDeviceContext;
struct LGIddAuthorityFileContext
{
bool closing;
};
WDF_DECLARE_CONTEXT_TYPE_WITH_NAME(
LGIddAuthorityFileContext, LGIddAuthorityGetFileContext)
class CPipeServer : private IPipeEndpointHandler,
public IClipboardChannelDoorbell
{
public:
using RecoveryHandler = void (*)(void * opaque,
uint64_t route, uint64_t session, uint32_t serial, bool active,
LGPipeMsg::Type result);
private:
CPipeEndpoint m_endpoint;
CClipboardChannel m_clipboard;
CSRWLock m_queueLock;
std::vector<LGPipeMsg> m_queue;
bool m_recoveryValid = false;
LGPipeMsg m_recoveryRequest = {};
CSRWLock m_deviceContextLock;
CDeviceContext * m_deviceContext = nullptr;
CSRWLock m_recoveryLock;
RecoveryHandler m_recoveryHandler = nullptr;
void * m_recoveryOpaque = nullptr;
uint64_t m_recoveryRoute = 0;
CSRWLock m_authorityLock;
WDFFILEOBJECT m_authorityOwner = nullptr;
HANDLE m_authorityMapping = nullptr;
DWORD m_authoritySession = 0xFFFFFFFFU;
uint64_t m_authorityMappingId[2] = {};
uint64_t m_authorityId[2] = {};
PSECURITY_DESCRIPTOR m_pipeSecurityDescriptor = nullptr;
SECURITY_ATTRIBUTES m_pipeSecurity = {};
HANDLE m_pendingClipboardMapping = nullptr;
uint64_t m_pendingClipboardEpoch = 0;
uint64_t m_clientAuthorityId[2] = {};
void WriteMsg(const LGPipeMsg & msg);
void QueueMsgLocked(const LGPipeMsg & msg);
void HandleReloadSettings();
void HandleRecovery(const LGPipeMsg & msg);
bool ClearClipboardAuthorityInternal(
WDFFILEOBJECT owner, bool closing);
void OnPipeConnected() override;
void OnPipeDisconnected() override;
bool PipeClientAuthenticationRequired() const override { return true; }
bool AuthenticatePipeClient(HANDLE pipe,
const void * message, size_t size) override;
bool PipeClientStillAuthorized(HANDLE pipe) override;
bool OnPipeMessage(const void * message, size_t size) override;
public:
~CPipeServer() { DeInit(); }
bool Init();
void DeInit();
void SetDeviceContext(CDeviceContext * context);
void SetRecoveryHandler(RecoveryHandler handler, void * opaque);
void ClearRecoveryHandler(void * opaque);
bool RegisterClipboardAuthority(WDFFILEOBJECT owner, HANDLE mapping,
DWORD session, const uint64_t (&mappingId)[2],
const uint64_t (&authorityId)[2]);
bool ClearClipboardAuthority(WDFFILEOBJECT owner = nullptr);
void CloseClipboardAuthorityFile(WDFFILEOBJECT owner);
bool SetCursorPos(int32_t x, int32_t y);
void SetDisplayMode(
uint32_t width, uint32_t height, uint32_t refresh100uHz);
void SetGPUStatus(bool software);
void ResolutionRejected(uint32_t width, uint32_t height,
uint32_t requiredSizeMiB);
bool SetRecovery(void * owner, uint64_t route,
uint64_t session, uint32_t serial, bool active);
CClipboardChannel& Clipboard() { return m_clipboard; }
bool ClipboardKick(uint64_t epoch) override;
void ClipboardResetPeer(uint64_t epoch, uint32_t reason) override;
};
extern CPipeServer g_pipe;