private static bool TryLoadMembers()
{
// .NET Core, .NET 4.6+
s_lazyCreateFromFile = LightUpHelper.GetMethod(
s_lazyMemoryMappedFileType,
"CreateFromFile",
FileStreamReadLightUp.FileStreamType.Value,
typeof(string),
typeof(long),
s_lazyMemoryMappedFileAccessType,
s_lazyHandleInheritabilityType,
typeof(bool)
);
// .NET < 4.6
if (s_lazyCreateFromFile == null)
{
if (s_lazyMemoryMappedFileSecurityType != null)
{
s_lazyCreateFromFileClassic = LightUpHelper.GetMethod(
s_lazyMemoryMappedFileType,
"CreateFromFile",
FileStreamReadLightUp.FileStreamType.Value,
typeof(string),
typeof(long),
s_lazyMemoryMappedFileAccessType,
s_lazyMemoryMappedFileSecurityType,
s_lazyHandleInheritabilityType,
typeof(bool));
}
if (s_lazyCreateFromFileClassic == null)
{
return(false);
}
}
s_lazyCreateViewAccessor = LightUpHelper.GetMethod(
s_lazyMemoryMappedFileType,
"CreateViewAccessor",
typeof(long),
typeof(long),
s_lazyMemoryMappedFileAccessType);
if (s_lazyCreateViewAccessor == null)
{
return(false);
}
s_lazySafeMemoryMappedViewHandle = s_lazyMemoryMappedViewAccessorType.GetTypeInfo().GetDeclaredProperty("SafeMemoryMappedViewHandle");
if (s_lazySafeMemoryMappedViewHandle == null)
{
return(false);
}
// .NET Core, .NET 4.5.1+
s_lazyPointerOffset = s_lazyMemoryMappedViewAccessorType.GetTypeInfo().GetDeclaredProperty("PointerOffset");
// .NET < 4.5.1
if (s_lazyPointerOffset == null)
{
s_lazyInternalViewField = s_lazyMemoryMappedViewAccessorType.GetTypeInfo().GetDeclaredField("m_view");
if (s_lazyInternalViewField == null)
{
return(false);
}
s_lazyInternalPointerOffset = s_lazyInternalViewField.FieldType.GetTypeInfo().GetDeclaredProperty("PointerOffset");
if (s_lazyInternalPointerOffset == null)
{
return(false);
}
}
return(true);
}
private static bool TryLoadType(string typeName, string modernAssembly, string classicAssembly, out Type type)
{
type = LightUpHelper.GetType(typeName, modernAssembly, classicAssembly);
return(type != null);
}
