private void CheckOptions(ArgumentParser parser)
{
if (parser.HasErrors)
{
runShutdown = false;
exitApp = true;
Current.Shutdown(1);
}
else if (parser.Driverinstall)
{
CreateBaseThread();
WelcomeDialog dialog = new WelcomeDialog(true);
dialog.ShowDialog();
runShutdown = false;
exitApp = true;
Current.Shutdown();
}
else if (parser.ReenableDevice)
{
DS4Devices.ReEnableDevice(parser.DeviceInstanceId);
runShutdown = false;
exitApp = true;
Current.Shutdown();
}
else if (parser.Runtask)
{
StartupMethods.LaunchOldTask();
runShutdown = false;
exitApp = true;
Current.Shutdown();
}
else if (parser.Command)
{
IntPtr hWndDS4WindowsForm = FindWindow(ReadIPCClassNameMMF(), "DS4Windows");
if (hWndDS4WindowsForm != IntPtr.Zero)
{
COPYDATASTRUCT cds;
cds.lpData = IntPtr.Zero;
try
{
cds.dwData = IntPtr.Zero;
cds.cbData = parser.CommandArgs.Length;
cds.lpData = Marshal.StringToHGlobalAnsi(parser.CommandArgs);
SendMessage(hWndDS4WindowsForm, DS4Forms.MainWindow.WM_COPYDATA, IntPtr.Zero, ref cds);
}
finally
{
if (cds.lpData != IntPtr.Zero)
{
Marshal.FreeHGlobal(cds.lpData);
}
}
}
runShutdown = false;
exitApp = true;
Current.Shutdown();
}
}
private void CheckOptions(ArgumentParser parser)
{
if (parser.HasErrors)
{
runShutdown = false;
exitApp = true;
Current.Shutdown(1);
}
else if (parser.Driverinstall)
{
CreateBaseThread();
DS4Forms.WelcomeDialog dialog = new DS4Forms.WelcomeDialog(true);
dialog.ShowDialog();
runShutdown = false;
exitApp = true;
Current.Shutdown();
}
else if (parser.ReenableDevice)
{
DS4Windows.DS4Devices.reEnableDevice(parser.DeviceInstanceId);
runShutdown = false;
exitApp = true;
Current.Shutdown();
}
else if (parser.Runtask)
{
StartupMethods.LaunchOldTask();
runShutdown = false;
exitApp = true;
Current.Shutdown();
}
else if (parser.Command)
{
IntPtr hWndDS4WindowsForm = IntPtr.Zero;
hWndDS4WindowsForm = FindWindow(ReadIPCClassNameMMF(), "DS4Windows");
if (hWndDS4WindowsForm != IntPtr.Zero)
{
bool bDoSendMsg = true;
bool bWaitResultData = false;
bool bOwnsMutex = false;
Mutex ipcSingleTaskMutex = null;
EventWaitHandle ipcNotifyEvent = null;
COPYDATASTRUCT cds;
cds.lpData = IntPtr.Zero;
try
{
if (parser.CommandArgs.ToLower().StartsWith("query."))
{
// Query.device# (1..4) command returns a string result via memory mapped file. The cmd is sent to the background DS4Windows
// process (via WM_COPYDATA wnd msg), then this client process waits for the availability of the result and prints it to console output pipe.
// Use mutex obj to make sure that concurrent client calls won't try to write and read the same MMF result file at the same time.
ipcSingleTaskMutex = new Mutex(false, "DS4Windows_IPCResultData_SingleTaskMtx");
try
{
bOwnsMutex = ipcSingleTaskMutex.WaitOne(10000);
}
catch (AbandonedMutexException)
{
bOwnsMutex = true;
}
if (bOwnsMutex)
{
// This process owns the inter-process sync mutex obj. Let's proceed with creating the output MMF file and waiting for a result.
bWaitResultData = true;
CreateIPCResultDataMMF();
ipcNotifyEvent = new EventWaitHandle(false, EventResetMode.AutoReset, "DS4Windows_IPCResultData_ReadyEvent");
}
else
{
// If the mtx failed then something must be seriously wrong. Cannot do anything in that case because MMF file may be modified by concurrent processes.
bDoSendMsg = false;
}
}
if (bDoSendMsg)
{
cds.dwData = IntPtr.Zero;
cds.cbData = parser.CommandArgs.Length;
cds.lpData = Marshal.StringToHGlobalAnsi(parser.CommandArgs);
SendMessage(hWndDS4WindowsForm, DS4Forms.MainWindow.WM_COPYDATA, IntPtr.Zero, ref cds);
if (bWaitResultData)
{
Console.WriteLine(WaitAndReadIPCResultDataMMF(ipcNotifyEvent));
}
}
}
finally
{
// Release the result MMF file in the client process before releasing the mtx and letting other client process to proceed with the same MMF file
if (ipcResultDataMMA != null)
{
ipcResultDataMMA.Dispose();
}
if (ipcResultDataMMF != null)
{
ipcResultDataMMF.Dispose();
}
ipcResultDataMMA = null;
ipcResultDataMMF = null;
// If this was "Query.xxx" cmdline client call then release the inter-process mutex and let other concurrent clients to proceed (if there are anyone waiting for the MMF result file)
if (bOwnsMutex && ipcSingleTaskMutex != null)
{
ipcSingleTaskMutex.ReleaseMutex();
}
if (cds.lpData != IntPtr.Zero)
{
Marshal.FreeHGlobal(cds.lpData);
}
}
}
runShutdown = false;
exitApp = true;
Current.Shutdown();
}
}