static XenStoreFunctions()
{
// Find the XenStore dll location - default or registry based?
string xenStorePath;
if (Environment.Is64BitOperatingSystem && !Environment.Is64BitProcess)
{
xenStorePath = Environment.GetFolderPath(Environment.SpecialFolder.ProgramFilesX86) + DefaultXS2SubPath + "\\xs2_32.DLL";
}
else
{
xenStorePath = Environment.GetFolderPath(Environment.SpecialFolder.ProgramFilesX86) + DefaultXS2SubPath + "\\xs2.DLL";
}
Microsoft.Win32.RegistryKey xentoolsRegKey = Microsoft.Win32.Registry.LocalMachine.OpenSubKey(XenToolsRegkey);
if (xentoolsRegKey != null)
{
xenStorePath = xentoolsRegKey.GetValue(XenStoreDll, xenStorePath).ToString();
}
//Get a DLL pointer
IntPtr pDll = LoadLibrary(xenStorePath);
//Pointers to DLL functions
IntPtr pAddressOfxs_open = IntPtr.Zero;
IntPtr pAddressOfxs_close = IntPtr.Zero;
IntPtr pAddressOfxs_read = IntPtr.Zero;
IntPtr pAddressOfxs_write = IntPtr.Zero;
IntPtr pAddressOfxs_write_bin = IntPtr.Zero;
IntPtr pAddressOfxs_free = IntPtr.Zero;
IntPtr pAddressOfxs_directory = IntPtr.Zero;
IntPtr pAddressOfxs_remove = IntPtr.Zero;
IntPtr pAddressOfxs_watch = IntPtr.Zero;
IntPtr pAddressOfxs_unwatch = IntPtr.Zero;
//Get the pointers to DLL functions based on process bitage
if (IntPtr.Size == 4)
{
pAddressOfxs_open = GetProcAddress(pDll, "_xs2_open@0");
pAddressOfxs_close = GetProcAddress(pDll, "_xs2_close@4");
pAddressOfxs_read = GetProcAddress(pDll, "_xs2_read@12");
pAddressOfxs_write = GetProcAddress(pDll, "_xs2_write@12");
// pAddressOfxs_write_bin = GetProcAddress(pDll, "_xs2_write_bin@16");
pAddressOfxs_free = GetProcAddress(pDll, "_xs2_free@4");
pAddressOfxs_directory = GetProcAddress(pDll, "_xs2_directory@12");
pAddressOfxs_remove = GetProcAddress(pDll, "_xs2_remove@8");
pAddressOfxs_watch = GetProcAddress(pDll, "_xs2_watch@12");
pAddressOfxs_unwatch = GetProcAddress(pDll, "_xs2_unwatch@4");
}
else if (IntPtr.Size == 8)
{
pAddressOfxs_open = GetProcAddress(pDll, "xs2_open");
pAddressOfxs_close = GetProcAddress(pDll, "xs2_close");
pAddressOfxs_read = GetProcAddress(pDll, "xs2_read");
pAddressOfxs_write = GetProcAddress(pDll, "xs2_write");
// pAddressOfxs_write_bin = GetProcAddress(pDll, "xs2_write_bin");
pAddressOfxs_free = GetProcAddress(pDll, "xs2_free");
pAddressOfxs_directory = GetProcAddress(pDll, "xs2_directory");
pAddressOfxs_remove = GetProcAddress(pDll, "xs2_remove");
pAddressOfxs_watch = GetProcAddress(pDll, "xs2_watch");
pAddressOfxs_unwatch = GetProcAddress(pDll, "xs2_unwatch");
}
#region DLL delegations
//Delegate the dll open pointer to the method xs2_open()
xs2_open = (raw_xs2_open)Marshal.GetDelegateForFunctionPointer(pAddressOfxs_open, typeof(raw_xs2_open));
//Delegate the dll close pointer to the method xs2_close()
xs2_close = (raw_xs2_close)Marshal.GetDelegateForFunctionPointer(pAddressOfxs_close, typeof(raw_xs2_close));
//Delegate the dll read pointer to the method xs2_read_impl()
xs2_read_impl = (raw_xs2_read)Marshal.GetDelegateForFunctionPointer(pAddressOfxs_read, typeof(raw_xs2_read));
//Delegate the dll write pointer to the method xs2_write
xs2_write = (raw_xs2_write)Marshal.GetDelegateForFunctionPointer(pAddressOfxs_write, typeof(raw_xs2_write));
//Write bin has been depricated. Delegate the dll write bin pointer to the method xs2_write_bin_impl()
// xs2_write_bin_impl = (raw_xs2_write_bin)Marshal.GetDelegateForFunctionPointer(pAddressOfxs_write_bin, typeof(raw_xs2_write_bin));
//Delegate the dll free pointer to the method xs2_free()
xs2_free = (raw_xs2_free)Marshal.GetDelegateForFunctionPointer(pAddressOfxs_free, typeof(raw_xs2_free));
//Delegate the dll directory pointer to the method xs2_directory_impl()
xs2_directory_impl = (raw_xs2_directory)Marshal.GetDelegateForFunctionPointer(pAddressOfxs_directory, typeof(raw_xs2_directory));
//Delegate the dll remove pointer to the method xs2_remove()
xs2_remove = (raw_xs2_remove)Marshal.GetDelegateForFunctionPointer(pAddressOfxs_remove, typeof(raw_xs2_remove));
//Delegate the dll watch pointer to the method xs2_watch()
xs2_watch = (raw_xs2_watch)Marshal.GetDelegateForFunctionPointer(pAddressOfxs_watch, typeof(raw_xs2_watch));
//Delegate the dll unwatch pointer to the method xs2_unwatch()
xs2_unwatch = (raw_xs2_unwatch)Marshal.GetDelegateForFunctionPointer(pAddressOfxs_unwatch, typeof(raw_xs2_unwatch));
#endregion
}
static XenStoreFunctions()
{
// Find the XenStore dll location - default or registry based?
string xenStorePath;
if (Environment.Is64BitOperatingSystem && !Environment.Is64BitProcess)
{
xenStorePath = Environment.GetFolderPath(Environment.SpecialFolder.ProgramFilesX86) + DefaultXS2SubPath + "\\xs2_32.DLL";
}
else
{
xenStorePath = Environment.GetFolderPath(Environment.SpecialFolder.ProgramFilesX86) + DefaultXS2SubPath + "\\xs2.DLL";
}
Microsoft.Win32.RegistryKey xentoolsRegKey = Microsoft.Win32.Registry.LocalMachine.OpenSubKey(XenToolsRegkey);
if (xentoolsRegKey != null)
{
xenStorePath = xentoolsRegKey.GetValue(XenStoreDll, xenStorePath).ToString();
}
//Get a DLL pointer
IntPtr pDll = LoadLibrary(xenStorePath);
//Pointers to DLL functions
IntPtr pAddressOfxs_open = IntPtr.Zero;
IntPtr pAddressOfxs_close = IntPtr.Zero;
IntPtr pAddressOfxs_read = IntPtr.Zero;
IntPtr pAddressOfxs_write = IntPtr.Zero;
IntPtr pAddressOfxs_write_bin = IntPtr.Zero;
IntPtr pAddressOfxs_free = IntPtr.Zero;
IntPtr pAddressOfxs_directory = IntPtr.Zero;
IntPtr pAddressOfxs_remove = IntPtr.Zero;
IntPtr pAddressOfxs_watch = IntPtr.Zero;
IntPtr pAddressOfxs_unwatch = IntPtr.Zero;
//Get the pointers to DLL functions based on process bitage
if (IntPtr.Size == 4)
{
pAddressOfxs_open = GetProcAddress(pDll, "_xs2_open@0");
pAddressOfxs_close = GetProcAddress(pDll, "_xs2_close@4");
pAddressOfxs_read = GetProcAddress(pDll, "_xs2_read@12");
pAddressOfxs_write = GetProcAddress(pDll, "_xs2_write@12");
// pAddressOfxs_write_bin = GetProcAddress(pDll, "_xs2_write_bin@16");
pAddressOfxs_free = GetProcAddress(pDll, "_xs2_free@4");
pAddressOfxs_directory = GetProcAddress(pDll, "_xs2_directory@12");
pAddressOfxs_remove = GetProcAddress(pDll, "_xs2_remove@8");
pAddressOfxs_watch = GetProcAddress(pDll, "_xs2_watch@12");
pAddressOfxs_unwatch = GetProcAddress(pDll, "_xs2_unwatch@4");
}
else if (IntPtr.Size == 8)
{
pAddressOfxs_open = GetProcAddress(pDll, "xs2_open");
pAddressOfxs_close = GetProcAddress(pDll, "xs2_close");
pAddressOfxs_read = GetProcAddress(pDll, "xs2_read");
pAddressOfxs_write = GetProcAddress(pDll, "xs2_write");
// pAddressOfxs_write_bin = GetProcAddress(pDll, "xs2_write_bin");
pAddressOfxs_free = GetProcAddress(pDll, "xs2_free");
pAddressOfxs_directory = GetProcAddress(pDll, "xs2_directory");
pAddressOfxs_remove = GetProcAddress(pDll, "xs2_remove");
pAddressOfxs_watch = GetProcAddress(pDll, "xs2_watch");
pAddressOfxs_unwatch = GetProcAddress(pDll, "xs2_unwatch");
}
#region DLL delegations
//Delegate the dll open pointer to the method xs2_open()
xs2_open = (raw_xs2_open)Marshal.GetDelegateForFunctionPointer(pAddressOfxs_open, typeof(raw_xs2_open));
//Delegate the dll close pointer to the method xs2_close()
xs2_close = (raw_xs2_close)Marshal.GetDelegateForFunctionPointer(pAddressOfxs_close, typeof(raw_xs2_close));
//Delegate the dll read pointer to the method xs2_read_impl()
xs2_read_impl = (raw_xs2_read)Marshal.GetDelegateForFunctionPointer(pAddressOfxs_read, typeof(raw_xs2_read));
//Delegate the dll write pointer to the method xs2_write
xs2_write = (raw_xs2_write)Marshal.GetDelegateForFunctionPointer(pAddressOfxs_write, typeof(raw_xs2_write));
//Write bin has been depricated. Delegate the dll write bin pointer to the method xs2_write_bin_impl()
// xs2_write_bin_impl = (raw_xs2_write_bin)Marshal.GetDelegateForFunctionPointer(pAddressOfxs_write_bin, typeof(raw_xs2_write_bin));
//Delegate the dll free pointer to the method xs2_free()
xs2_free = (raw_xs2_free)Marshal.GetDelegateForFunctionPointer(pAddressOfxs_free, typeof(raw_xs2_free));
//Delegate the dll directory pointer to the method xs2_directory_impl()
xs2_directory_impl = (raw_xs2_directory)Marshal.GetDelegateForFunctionPointer(pAddressOfxs_directory, typeof(raw_xs2_directory));
//Delegate the dll remove pointer to the method xs2_remove()
xs2_remove = (raw_xs2_remove)Marshal.GetDelegateForFunctionPointer(pAddressOfxs_remove, typeof(raw_xs2_remove));
//Delegate the dll watch pointer to the method xs2_watch()
xs2_watch = (raw_xs2_watch)Marshal.GetDelegateForFunctionPointer(pAddressOfxs_watch, typeof(raw_xs2_watch));
//Delegate the dll unwatch pointer to the method xs2_unwatch()
xs2_unwatch = (raw_xs2_unwatch)Marshal.GetDelegateForFunctionPointer(pAddressOfxs_unwatch, typeof(raw_xs2_unwatch));
#endregion
}
