package main

import "http"


type T struct{}

func (self T)ServeHTTP(rw http.ResponseWriter, req *http.Request){
  if req.TLS != nil&& ! req.TLS.HandshakeComplete {
    http.Error(rw, "Handshake incomplete",200)
  } else if req.TLS != nil  && req.TLS.HandshakeComplete {
    http.Error(rw, "Handshake complete",200)
  } else {
    http.Error(rw, "Not TLS",200)
  }
}

func main(){
  http.ListenAndServeTLS(":8443", "host.cert", "privkey.pem", T{})
}