add bytename trait for implemeting server/path name in bytename

src/utils/byte_name.rs

@@ -0,0 +1,35 @@
+use bytes::{Buf, Bytes};
+
+pub trait BytesName {
+  type Output: Buf;
+  fn to_byte_name(self) -> Self::Output;
+  fn to_ascii_lowercase_byte_name(self) -> Self::Output;
+}
+
+impl<T: Into<String>> BytesName for T {
+  type Output = Bytes;
+
+  fn to_byte_name(self) -> Self::Output {
+    let b = self.into().bytes().collect::<Vec<u8>>();
+    Bytes::from(b)
+  }
+
+  fn to_ascii_lowercase_byte_name(self) -> Self::Output {
+    let b = self.into().bytes().collect::<Vec<u8>>().to_ascii_lowercase();
+    Bytes::from(b)
+  }
+}
+
+#[cfg(test)]
+mod tests {
+  use super::*;
+  #[test]
+  fn bytes_name_str_works() {
+    let s = "OK_string";
+    let bn = s.to_byte_name();
+    let bn_lc = s.to_ascii_lowercase_byte_name();
+
+    assert_eq!(Bytes::from(s.as_bytes()), bn);
+    assert_eq!(Bytes::from("ok_string"), bn_lc);
+  }
+}

src/utils/mod.rs

@@ -1,3 +1,4 @@
+mod byte_name;
 mod socket_addr;
 
 pub use socket_addr::ToCanonical;