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Rewrote the native stuff to allow hot reloading of the SDK-library

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This commit is contained in:
Darth Affe 2016-02-20 10:03:33 +01:00
parent ced1867b03
commit b13a08bdf4
1 changed files with 121 additions and 25 deletions
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146
Native/_CUESDK.cs
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@ -10,6 +10,8 @@ namespace CUE.NET.Native
{
#region Libary Management
private static IntPtr _dllHandle = IntPtr.Zero;
/// <summary>
/// Gets the loaded architecture (x64/x86).
/// </summary>
@ -17,72 +19,166 @@ namespace CUE.NET.Native
static _CUESDK()
{
LoadCUESDK();
}
/// <summary>
/// Reloads the SDK.
/// </summary>
internal static void Reload()
{
UnloadCUESDK();
LoadCUESDK();
}
private static void LoadCUESDK()
{
if (_dllHandle != IntPtr.Zero) return;
// HACK: Load library at runtime to support both, x86 and x64 with one managed dll
LoadLibrary((LoadedArchitecture = Environment.Is64BitProcess ? "x64" : "x86") + "/CUESDK_2013.dll");
_dllHandle = LoadLibrary((LoadedArchitecture = Environment.Is64BitProcess ? "x64" : "x86") + "/CUESDK_2013.dll");
_corsairSetLedsColorsPointer = (CorsairSetLedsColorsPointer)Marshal.GetDelegateForFunctionPointer(GetProcAddress(_dllHandle, "CorsairSetLedsColors"), typeof(CorsairSetLedsColorsPointer));
_corsairGetDeviceCountPointer = (CorsairGetDeviceCountPointer)Marshal.GetDelegateForFunctionPointer(GetProcAddress(_dllHandle, "CorsairGetDeviceCount"), typeof(CorsairGetDeviceCountPointer));
_corsairGetDeviceInfoPointer = (CorsairGetDeviceInfoPointer)Marshal.GetDelegateForFunctionPointer(GetProcAddress(_dllHandle, "CorsairGetDeviceInfo"), typeof(CorsairGetDeviceInfoPointer));
_corsairGetLedPositionsPointer = (CorsairGetLedPositionsPointer)Marshal.GetDelegateForFunctionPointer(GetProcAddress(_dllHandle, "CorsairGetLedPositions"), typeof(CorsairGetLedPositionsPointer));
_corsairGetLedIdForKeyNamePointer = (CorsairGetLedIdForKeyNamePointer)Marshal.GetDelegateForFunctionPointer(GetProcAddress(_dllHandle, "CorsairGetLedIdForKeyName"), typeof(CorsairGetLedIdForKeyNamePointer));
_corsairRequestControlPointer = (CorsairRequestControlPointer)Marshal.GetDelegateForFunctionPointer(GetProcAddress(_dllHandle, "CorsairRequestControl"), typeof(CorsairRequestControlPointer));
_corsairPerformProtocolHandshakePointer = (CorsairPerformProtocolHandshakePointer)Marshal.GetDelegateForFunctionPointer(GetProcAddress(_dllHandle, "CorsairPerformProtocolHandshake"), typeof(CorsairPerformProtocolHandshakePointer));
_corsairGetLastErrorPointer = (CorsairGetLastErrorPointer)Marshal.GetDelegateForFunctionPointer(GetProcAddress(_dllHandle, "CorsairGetLastError"), typeof(CorsairGetLastErrorPointer));
}
private static void UnloadCUESDK()
{
if (_dllHandle == IntPtr.Zero) return;
// ReSharper disable once EmptyEmbeddedStatement - DarthAffe 20.02.2016: We might need to reduce the internal reference counter more than once to set the library free
while (FreeLibrary(_dllHandle)) ;
_dllHandle = IntPtr.Zero;
}
[DllImport("kernel32.dll")]
private static extern IntPtr LoadLibrary(string dllToLoad);
[DllImport("kernel32.dll")]
private static extern bool FreeLibrary(IntPtr dllHandle);
[DllImport("kernel32.dll")]
private static extern IntPtr GetProcAddress(IntPtr dllHandle, string name);
#endregion
#region SDK-IMPORTS
#region SDK-METHODS
#region Pointers
private static CorsairSetLedsColorsPointer _corsairSetLedsColorsPointer;
private static CorsairGetDeviceCountPointer _corsairGetDeviceCountPointer;
private static CorsairGetDeviceInfoPointer _corsairGetDeviceInfoPointer;
private static CorsairGetLedPositionsPointer _corsairGetLedPositionsPointer;
private static CorsairGetLedIdForKeyNamePointer _corsairGetLedIdForKeyNamePointer;
private static CorsairRequestControlPointer _corsairRequestControlPointer;
private static CorsairPerformProtocolHandshakePointer _corsairPerformProtocolHandshakePointer;
private static CorsairGetLastErrorPointer _corsairGetLastErrorPointer;
#endregion
#region Delegates
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
private delegate bool CorsairSetLedsColorsPointer(int size, IntPtr ledsColors);
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
private delegate int CorsairGetDeviceCountPointer();
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
private delegate IntPtr CorsairGetDeviceInfoPointer(int deviceIndex);
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
private delegate IntPtr CorsairGetLedPositionsPointer();
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
private delegate CorsairKeyboardKeyId CorsairGetLedIdForKeyNamePointer(char keyName);
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
private delegate bool CorsairRequestControlPointer(CorsairAccessMode accessMode);
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
private delegate _CorsairProtocolDetails CorsairPerformProtocolHandshakePointer();
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
private delegate CorsairError CorsairGetLastErrorPointer();
#endregion
// ReSharper disable EventExceptionNotDocumented
/// <summary>
/// CUE-SDK: set specified leds to some colors. The color is retained until changed by successive calls. This function does not take logical layout into account
/// </summary>
[DllImport("CUESDK_2013.dll", CallingConvention = CallingConvention.Cdecl)]
internal static extern bool CorsairSetLedsColors(int size, IntPtr ledsColors);
//#if WIN64
// [DllImport("CUESDK.x64_2013.dll", CallingConvention = CallingConvention.Cdecl)]
//#else
// [DllImport("CUESDK_2013.dll", CallingConvention = CallingConvention.Cdecl)]
//#endif
//internal static extern bool CorsairSetLedsColorsAsync(int size, CorsairLedColor* ledsColors, void(*CallbackType)(void*, bool, CorsairError), void* context);
internal static bool CorsairSetLedsColors(int size, IntPtr ledsColors)
{
return _corsairSetLedsColorsPointer(size, ledsColors);
}
/// <summary>
/// CUE-SDK: returns number of connected Corsair devices that support lighting control.
/// </summary>
[DllImport("CUESDK_2013.dll", CallingConvention = CallingConvention.Cdecl)]
internal static extern int CorsairGetDeviceCount();
internal static int CorsairGetDeviceCount()
{
return _corsairGetDeviceCountPointer();
}
/// <summary>
/// CUE-SDK: returns information about device at provided index
/// </summary>
[DllImport("CUESDK_2013.dll", CallingConvention = CallingConvention.Cdecl)]
internal static extern IntPtr CorsairGetDeviceInfo(int deviceIndex);
internal static IntPtr CorsairGetDeviceInfo(int deviceIndex)
{
return _corsairGetDeviceInfoPointer(deviceIndex);
}
/// <summary>
/// CUE-SDK: provides list of keyboard LEDs with their physical positions.
/// </summary>
[DllImport("CUESDK_2013.dll", CallingConvention = CallingConvention.Cdecl)]
internal static extern IntPtr CorsairGetLedPositions();
internal static IntPtr CorsairGetLedPositions()
{
return _corsairGetLedPositionsPointer();
}
/// <summary>
/// CUE-SDK: retrieves led id for key name taking logical layout into account.
/// </summary>
[DllImport("CUESDK_2013.dll", CallingConvention = CallingConvention.Cdecl)]
internal static extern CorsairKeyboardKeyId CorsairGetLedIdForKeyName(char keyName);
internal static CorsairKeyboardKeyId CorsairGetLedIdForKeyName(char keyName)
{
return _corsairGetLedIdForKeyNamePointer(keyName);
}
/// <summary>
/// CUE-SDK: requestes control using specified access mode.
/// By default client has shared control over lighting so there is no need to call CorsairRequestControl unless client requires exclusive control
/// </summary>
[DllImport("CUESDK_2013.dll", CallingConvention = CallingConvention.Cdecl)]
internal static extern bool CorsairRequestControl(CorsairAccessMode accessMode);
internal static bool CorsairRequestControl(CorsairAccessMode accessMode)
{
return _corsairRequestControlPointer(accessMode);
}
/// <summary>
/// CUE-SDK: checks file and protocol version of CUE to understand which of SDK functions can be used with this version of CUE
/// </summary>
[DllImport("CUESDK_2013.dll", CallingConvention = CallingConvention.Cdecl)]
internal static extern _CorsairProtocolDetails CorsairPerformProtocolHandshake();
internal static _CorsairProtocolDetails CorsairPerformProtocolHandshake()
{
return _corsairPerformProtocolHandshakePointer();
}
/// <summary>
/// CUE-SDK: returns last error that occured while using any of Corsair* functions
/// </summary>
[DllImport("CUESDK_2013.dll", CallingConvention = CallingConvention.Cdecl)]
internal static extern CorsairError CorsairGetLastError();
internal static CorsairError CorsairGetLastError()
{
return _corsairGetLastErrorPointer();
}
// ReSharper restore EventExceptionNotDocumented
#endregion
}