static FdbNative()
{
var libraryPath = GetPreloadPath();
if (libraryPath == null)
{ // PInvoke will load
return;
}
try
{
FdbCLib = UnmanagedLibrary.Load(libraryPath);
}
catch (Exception e)
{
if (FdbCLib != null)
{
FdbCLib.Dispose();
}
FdbCLib = null;
if (e is BadImageFormatException && IntPtr.Size == 4)
{
e = new InvalidOperationException("The native FDB client is 64-bit only, and cannot be loaded in a 32-bit process.", e);
}
else
{
e = new InvalidOperationException($"An error occurred while loading the native FoundationDB library: '{libraryPath}'.", e);
}
LibraryLoadError = ExceptionDispatchInfo.Capture(e);
}
}
static FdbNative()
{
// Impact of NativeLibPath:
// - If null, don't preload the library, and let the CLR find the file using the default P/Invoke behavior
// - If String.Empty, call win32 LoadLibrary("fdb_c.dll") and let the os find the file (using the standard OS behavior)
// - Else, combine the path with "fdb_c.dll" and call LoadLibrary with the resulting (relative or absolute) path
var libraryPath = Fdb.Options.NativeLibPath;
if (libraryPath != null)
{
try
{
if (libraryPath.Length == 0)
{ // CLR will handle the search
libraryPath = FDB_C_DLL;
}
else if (!libraryPath.EndsWith(".dll", StringComparison.OrdinalIgnoreCase))
{ // add the file name
libraryPath = Path.Combine(Fdb.Options.NativeLibPath, FDB_C_DLL);
}
FdbCLib = UnmanagedLibrary.Load(libraryPath);
}
catch (Exception e)
{
if (FdbCLib != null)
{
FdbCLib.Dispose();
}
FdbCLib = null;
if (e is BadImageFormatException && IntPtr.Size == 4)
{
e = new InvalidOperationException("The native FDB client is 64-bit only, and cannot be loaded in a 32-bit process.", e);
}
else
{
e = new InvalidOperationException("An error occurred while loading the native FoundationDB library", e);
}
LibraryLoadError = ExceptionDispatchInfo.Capture(e);
}
}
}
static FdbNative()
{
// Impact of NativeLibPath:
// - If null, don't preload the library, and let the CLR find the file using the default P/Invoke behavior
// - If String.Empty, call win32 LoadLibrary("fdb_c.dll") and let the os find the file (using the standard OS behavior)
// - Else, combine the path with "fdb_c.dll" and call LoadLibrary with the resulting (relative or absolute) path
var libraryPath = Fdb.Options.NativeLibPath;
if (libraryPath != null)
{
try
{
if (libraryPath.Length == 0)
{ // CLR will handle the search
libraryPath = FDB_C_DLL;
}
else if (!libraryPath.EndsWith(".dll", StringComparison.OrdinalIgnoreCase))
{ // add the file name
libraryPath = Path.Combine(Fdb.Options.NativeLibPath, FDB_C_DLL);
}
FdbCLib = UnmanagedLibrary.Load(libraryPath);
}
catch (Exception e)
{
if (FdbCLib != null) FdbCLib.Dispose();
FdbCLib = null;
if (e is BadImageFormatException && IntPtr.Size == 4)
{
e = new InvalidOperationException("The native FDB client is 64-bit only, and cannot be loaded in a 32-bit process.", e);
}
else
{
e = new InvalidOperationException("An error occurred while loading the native FoundationDB library", e);
}
LibraryLoadError = ExceptionDispatchInfo.Capture(e);
}
}
}