public PlatformFuncs()
{
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
OperatingSystem = OperatingSystem.Windows;
// TryLoad ?
_libHandle = NativeLibrary.Load("kernel32.dll");
// TryGetExport
var loadlibp = NativeLibrary.GetExport(_libHandle, "LoadLibraryA");
_loadLibraryFunc = Marshal.GetDelegateForFunctionPointer <LoadLibraryDelegate>(loadlibp);
// TryGetExport
var getsymbolp = NativeLibrary.GetExport(_libHandle, "GetProcAddress");
_getSymbolFunc = Marshal.GetDelegateForFunctionPointer <GetSymbolDelegate>(getsymbolp);
// TryGetExport
var freelibraryp = NativeLibrary.GetExport(_libHandle, "FreeLibrary");
_freeLibraryFunc = Marshal.GetDelegateForFunctionPointer <FreeLibraryDelegate>(freelibraryp);
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
OperatingSystem = OperatingSystem.Linux;
// TryLoad ?
_libHandle = NativeLibrary.Load("libdl.so");
// TryGetExport
var loadlibp = NativeLibrary.GetExport(_libHandle, "dlopen");
var loadlibpf = Marshal.GetDelegateForFunctionPointer <DlOpenDelegate>(loadlibp);
_loadLibraryFunc = (path) => loadlibpf(path, RTLD_NOW);
// TryGetExport
var getsymbolp = NativeLibrary.GetExport(_libHandle, "dlsym");
_getSymbolFunc = Marshal.GetDelegateForFunctionPointer <GetSymbolDelegate>(getsymbolp);
// TryGetExport
var freelibraryp = NativeLibrary.GetExport(_libHandle, "dlclose");
_freeLibraryFunc = Marshal.GetDelegateForFunctionPointer <FreeLibraryDelegate>(freelibraryp);
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
OperatingSystem = OperatingSystem.OSX;
throw new NotImplementedException("Dynamic library loading on OSX is not implemented");
}
else
{
throw new NotImplementedException("Application is running on unknown operation system.");
}
}
private bool disposedValue = false; // To detect redundant calls
protected virtual void Dispose(bool disposing)
{
if (!disposedValue)
{
if (disposing)
{
// TODO: dispose managed state (managed objects).
}
// TODO: free unmanaged resources (unmanaged objects) and override a finalizer below.
// TODO: set large fields to null.
NativeLibrary.Free(_libHandle);
_libHandle = IntPtr.Zero;
_loadLibraryFunc = null;
_getSymbolFunc = null;
_freeLibraryFunc = null;
disposedValue = true;
}
}
