How to select server certificate dynamically based on SNI in `ClientHello`?

[markandpathak]

I would like to develop a TCP Server in which, the TLS Server certificate are selected based on the SNI in ClientHello. Think of a TCP Proxy with multiple domains hosted on single server. I could not find anything in documentation. Is this possible with tokio_native_tls in async manner? if not, any other way I can achieve this in tokio? A very minimal example is very much appreciated on how this can be achieved.