add content range handling in patch blob

Fixes #3141

1, return 416 for Out-of-order blob upload
2, return 400 for content length and content size mismatch

Signed-off-by: wang yan <wangyan@vmware.com>

registry/api/v2/errors.go

@@ -32,6 +32,17 @@ var (
 		HTTPStatusCode: http.StatusBadRequest,
 	})
 
+	// ErrorCodeRangeInvalid is returned when uploading a blob if the provided
+	// content range is invalid.
+	ErrorCodeRangeInvalid = errcode.Register(errGroup, errcode.ErrorDescriptor{
+		Value:   "RANGE_INVALID",
+		Message: "invalid content range",
+		Description: `When a layer is uploaded, the provided range is checked
+		against the uploaded chunk. This error is returned if the range is
+		out of order.`,
+		HTTPStatusCode: http.StatusRequestedRangeNotSatisfiable,
+	})
+
 	// ErrorCodeNameInvalid is returned when the name in the manifest does not
 	// match the provided name.
 	ErrorCodeNameInvalid = errcode.Register(errGroup, errcode.ErrorDescriptor{