Files
OpenRGB/main.cpp
2025-06-27 17:45:53 +04:00

341 lines
14 KiB
C++

/*---------------------------------------------------------*\
| main.cpp |
| |
| Entry point for the OpenRGB application |
| |
| This file is part of the OpenRGB project |
| SPDX-License-Identifier: GPL-2.0-only |
\*---------------------------------------------------------*/
#include "ResourceManager.h"
#include "NetworkServer.h"
#include "LogManager.h"
#include "cli.h"
#include <QApplication>
#include <stdio.h>
#include <stdlib.h>
#include <thread>
#ifdef _MACOSX_X86_X64
#include "macUSPCIOAccess.h"
io_connect_t macUSPCIO_driver_connection;
#endif
#include "OpenRGBDialog.h"
#ifdef __APPLE__
#include "macutils.h"
#endif
#ifdef __linux__
#include <csignal>
#endif
using namespace std::chrono_literals;
/******************************************************************************************\
* *
* InitializeTimerResolutionThreadFunction (Win32) *
* *
* On Windows, the default timer resolution is 15.6ms. For higher accuracy delays, *
* the timer resolution should be set to a shorter interval. The shortest interval *
* that can be set is 0.5ms. *
* *
\******************************************************************************************/
#ifdef _WIN32
void InitializeTimerResolutionThreadFunction()
{
/*-----------------------------------------------------*\
| NtSetTimerResolution function pointer type |
\*-----------------------------------------------------*/
typedef unsigned int NTSTATUS;
typedef NTSTATUS (*NTSETTIMERRESOLUTION)(ULONG DesiredResolution, BOOLEAN SetResolution, PULONG CurrentResolution);
/*-----------------------------------------------------*\
| PROCESS_POWER_THROTTLING_IGNORE_TIMER_RESOLUTION = 4, |
| isn't defined in Win10 headers |
\*-----------------------------------------------------*/
PROCESS_POWER_THROTTLING_STATE PowerThrottlingState { PROCESS_POWER_THROTTLING_CURRENT_VERSION, 4, 0 };
ULONG CurrentResolution;
HMODULE NtDllHandle;
NTSETTIMERRESOLUTION NtSetTimerResolution;
/*-----------------------------------------------------*\
| Load ntdll.dll and get pointer to NtSetTimerResolution|
\*-----------------------------------------------------*/
NtDllHandle = LoadLibrary("ntdll.dll");
NtSetTimerResolution = (NTSETTIMERRESOLUTION)GetProcAddress(NtDllHandle, "NtSetTimerResolution");
/*-----------------------------------------------------*\
| Windows 11 requires |
| PROCESS_POWER_THROTTLING_IGNORE_TIMER_RESOLUTION |
\*-----------------------------------------------------*/
SetProcessInformation(GetCurrentProcess(), ProcessPowerThrottling, &PowerThrottlingState, sizeof(PowerThrottlingState));
/*-----------------------------------------------------*\
| Call NtSetTimerResolution to set timer resolution to |
| 0.5ms every 500ms |
\*-----------------------------------------------------*/
while(1)
{
NtSetTimerResolution(5000, TRUE, &CurrentResolution);
std::this_thread::sleep_for(500ms);
}
}
#endif
void WaitWhileServerOnline(NetworkServer* srv)
{
while (srv->GetOnline())
{
std::this_thread::sleep_for(1s);
};
}
/******************************************************************************************\
* *
* Install SMBus Driver WinRing0, If not already installed (Win32) *
* *
\******************************************************************************************/
#ifdef _WIN32
void InstallWinRing0()
{
TCHAR winring0_install_location[MAX_PATH]; // driver final location usually C:\windows\system32\drivers\WinRing0x64.sys
uint system_path_length = GetSystemDirectory(winring0_install_location, MAX_PATH);
std::string winring0_filename = "WinRing0.sys";
BOOL bIsWow64 = false;
#if _WIN64
winring0_filename = "WinRing0x64.sys";
#else
BOOL (*fnIsWow64Process)(HANDLE, PBOOL) = (BOOL (__cdecl *)(HANDLE, PBOOL))GetProcAddress(GetModuleHandle(TEXT("kernel32")),"IsWow64Process");
if (fnIsWow64Process)
{
fnIsWow64Process(GetCurrentProcess(),&bIsWow64);
}
if(bIsWow64)
{
winring0_filename = "WinRing0x64.sys";
}
#endif
std::strncat(winring0_install_location, "\\drivers\\", MAX_PATH - system_path_length - 1);
std::strncat(winring0_install_location, winring0_filename.c_str(), MAX_PATH - system_path_length - 10);
std::string driver_name = winring0_filename.substr(0, winring0_filename.size() - 4); // driver name: WinRing0 or WinRing0x64
SC_HANDLE manager = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
if (manager)
{
PVOID wow64_fsredirection_OldValue = NULL;
if(bIsWow64)
{
Wow64DisableWow64FsRedirection(&wow64_fsredirection_OldValue);
}
if(INVALID_FILE_ATTRIBUTES == GetFileAttributes(winring0_install_location) && GetLastError()==ERROR_FILE_NOT_FOUND)
{
char module_path_buffer[MAX_PATH];
GetModuleFileNameA(NULL, module_path_buffer, MAX_PATH);
std::string::size_type exe_loc = std::string(module_path_buffer).find_last_of("\\/");
std::string driver_source_path = std::string(module_path_buffer).substr(0, exe_loc + 1) + winring0_filename;
CopyFile(driver_source_path.c_str(), winring0_install_location, true);
}
if(bIsWow64)
{
Wow64RevertWow64FsRedirection(wow64_fsredirection_OldValue);
}
SC_HANDLE service = OpenService(manager, driver_name.c_str(), SERVICE_ALL_ACCESS);
if(!service)
{
std::string service_sys_path = "System32\\Drivers\\" + winring0_filename;
service = CreateService(manager,
driver_name.c_str(),
driver_name.c_str(),
SERVICE_ALL_ACCESS,
SERVICE_KERNEL_DRIVER,
SERVICE_AUTO_START,
SERVICE_ERROR_NORMAL,
service_sys_path.c_str(),
NULL,
NULL,
NULL,
NULL,
NULL);
}
CloseServiceHandle(service);
CloseServiceHandle(manager);
}
}
#endif
/******************************************************************************************\
* *
* Linux signal handler *
* *
\******************************************************************************************/
#ifdef __linux__
void sigHandler(int s)
{
std::signal(s, SIG_DFL);
qApp->quit();
}
#endif
/******************************************************************************************\
* *
* main *
* *
* Main function. Detects busses and Aura controllers, then opens the main window *
* *
\******************************************************************************************/
int main(int argc, char* argv[])
{
int exitval = EXIT_SUCCESS;
#ifdef _WIN32
/*---------------------------------------------------------*\
| Windows only - Attach console output |
\*---------------------------------------------------------*/
if (AttachConsole(ATTACH_PARENT_PROCESS))
{
/*---------------------------------------------------------*\
| We are running under some terminal context; otherwise |
| leave the GUI and CRT alone |
\*---------------------------------------------------------*/
freopen("CONIN$", "r", stdin);
freopen("CONOUT$", "w", stdout);
freopen("CONOUT$", "w", stderr);
}
/*---------------------------------------------------------*\
| Windows only - Start timer resolution correction thread |
\*---------------------------------------------------------*/
std::thread * InitializeTimerResolutionThread;
InitializeTimerResolutionThread = new std::thread(InitializeTimerResolutionThreadFunction);
InitializeTimerResolutionThread->detach();
/*---------------------------------------------------------*\
| Windows only - Install SMBus Driver WinRing0 |
\*---------------------------------------------------------*/
InstallWinRing0();
#endif
/*---------------------------------------------------------*\
| Mac x86/x64 only - Install SMBus Driver macUSPCIO |
\*---------------------------------------------------------*/
#ifdef _MACOSX_X86_X64
InitMacUSPCIODriver();
#endif
/*---------------------------------------------------------*\
| Process command line arguments before detection |
\*---------------------------------------------------------*/
unsigned int ret_flags = cli_pre_detection(argc, argv);
ResourceManager::get()->Initialize(
!(ret_flags & RET_FLAG_NO_AUTO_CONNECT),
!(ret_flags & RET_FLAG_NO_DETECT),
ret_flags & RET_FLAG_START_SERVER,
ret_flags & RET_FLAG_CLI_POST_DETECTION);
/*---------------------------------------------------------*\
| If the command line parser indicates that the GUI should |
| run, or if there were no command line arguments, start the|
| GUI. |
\*---------------------------------------------------------*/
if(ret_flags & RET_FLAG_START_GUI)
{
LOG_TRACE("[main] initializing GUI");
/*-----------------------------------------------------*\
| Enable high DPI scaling support |
\*-----------------------------------------------------*/
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps, true);
QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling, true);
#endif
/*-----------------------------------------------------*\
| Enable high DPI fractional scaling support on Windows |
\*-----------------------------------------------------*/
#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0) && defined(Q_OS_WIN)
QGuiApplication::setHighDpiScaleFactorRoundingPolicy(Qt::HighDpiScaleFactorRoundingPolicy::PassThrough);
#endif
QApplication a(argc, argv);
QGuiApplication::setDesktopFileName("org.openrgb.OpenRGB");
LOG_TRACE("[main] QApplication created");
/*---------------------------------------------------------*\
| Main UI widget |
\*---------------------------------------------------------*/
OpenRGBDialog dlg;
LOG_TRACE("[main] Dialog created");
if(ret_flags & RET_FLAG_I2C_TOOLS)
{
dlg.AddI2CToolsPage();
}
dlg.AddClientTab();
if(ret_flags & RET_FLAG_START_MINIMIZED)
{
#ifdef _WIN32
/*---------------------------------------------------------*\
| Show the window always, even if it will immediately be |
| hidden. On Windows, events are not delivered to |
| nativeEventFilter (for SuspendResume) until the window |
| has been shown once. |
\*---------------------------------------------------------*/
dlg.showMinimized();
#endif
#ifdef __APPLE__
MacUtils::ToggleApplicationDocklessState(false);
#endif
dlg.hide();
}
else
{
dlg.show();
}
LOG_TRACE("[main] Ready to exec() the dialog");
#ifdef __linux__
std::signal(SIGINT, sigHandler);
std::signal(SIGTERM, sigHandler);
#endif
exitval = a.exec();
}
else
{
/*---------------------------------------------------------*\
| If no GUI is needed, we let the background threads run |
| as long as they need, but we need to AT LEAST wait for |
| initialization to finish |
\*---------------------------------------------------------*/
ResourceManager::get()->WaitForInitialization();
if(ret_flags & RET_FLAG_START_SERVER)
{
NetworkServer* server = ResourceManager::get()->GetServer();
if(!server->GetOnline())
{
exitval = EXIT_FAILURE;
}
else
{
WaitWhileServerOnline(server);
}
}
}
ResourceManager::get()->Cleanup();
#ifdef _MACOSX_X86_X64
CloseMacUSPCIODriver();
#endif
LOG_TRACE("OpenRGB finishing with exit code %d", exitval);
return exitval;
}