static NativeMethods()
{
_libraryFacade = Environment.Is64BitProcess
? new Native64BitLibraryFacade()
: (INativeLibraryFacade) new Native32BitLibraryFacade();
Exception archSpecificException;
_libraryVersion = GetVersionInfo(_libraryFacade, out archSpecificException);
if (archSpecificException != null)
{
Exception fallbackException;
var fallbackLibrary = new FallbackLibraryFacade();
_libraryVersion = GetVersionInfo(fallbackLibrary, out fallbackException);
if (fallbackException != null)
{
throw archSpecificException;
}
_libraryFacade = fallbackLibrary;
}
}
internal static LightningVersionInfo Create(INativeLibraryFacade library)
{
if (library == null)
throw new ArgumentNullException("library");
IntPtr minor, major, patch;
var version = library.mdb_version(out major, out minor, out patch);
return new LightningVersionInfo
{
Version = Marshal.PtrToStringAnsi(version),
Major = major.ToInt32(),
Minor = minor.ToInt32(),
Patch = patch.ToInt32()
};
}
internal static LightningVersionInfo Create(INativeLibraryFacade library)
{
if (library == null)
{
throw new ArgumentNullException("library");
}
IntPtr minor, major, patch;
var version = library.mdb_version(out major, out minor, out patch);
return(new LightningVersionInfo
{
Version = Marshal.PtrToStringAnsi(version),
Major = major.ToInt32(),
Minor = minor.ToInt32(),
Patch = patch.ToInt32()
});
}
private static LightningVersionInfo GetVersionInfo(INativeLibraryFacade lib, out Exception exception)
{
exception = null;
LightningVersionInfo versionInfo = null;
try
{
versionInfo = LightningVersionInfo.Create(lib);
}
catch (DllNotFoundException dllNotFoundException)
{
exception = dllNotFoundException;
}
catch (BadImageFormatException badImageFormatException)
{
exception = badImageFormatException;
}
return versionInfo;
}
private static LightningVersionInfo GetVersionInfo(INativeLibraryFacade lib, out Exception exception)
{
exception = null;
LightningVersionInfo versionInfo = null;
try
{
versionInfo = LightningVersionInfo.Create(lib);
}
catch (DllNotFoundException dllNotFoundException)
{
exception = dllNotFoundException;
}
catch (BadImageFormatException badImageFormatException)
{
exception = badImageFormatException;
}
return(versionInfo);
}
static NativeMethods()
{
_libraryFacade = Environment.Is64BitProcess
? new Native64BitLibraryFacade()
: (INativeLibraryFacade) new Native32BitLibraryFacade();
Exception archSpecificException;
_libraryVersion = GetVersionInfo(_libraryFacade, out archSpecificException);
if (archSpecificException != null)
{
Exception fallbackException;
var fallbackLibrary = new FallbackLibraryFacade();
_libraryVersion = GetVersionInfo(fallbackLibrary, out fallbackException);
if (fallbackException != null)
throw archSpecificException;
_libraryFacade = fallbackLibrary;
}
}
