Allow reading SNI host name from ClientHello asynchronously.
Extracted from https://github.com/BranLwyd/rspd/blob/1bfad8498375f0735c229667608ddd4c23aaf7b2/src/main.rs#L367.
Allow reading SNI host name from ClientHello asynchronously.
Extracted from https://github.com/BranLwyd/rspd/blob/1bfad8498375f0735c229667608ddd4c23aaf7b2/src/main.rs#L367.