if !policy.RequirePreferred || !policy.Preferred {
var protocol [len(pp.Protocol)]byte
_, err = io.ReadFull(rw, protocol[:])
if err != nil {
return
}
if !policy.RequirePreferred || !policy.Preferred {
var protocol [len(pp.Protocol)]byte
_, err = io.ReadFull(rw, protocol[:])
if err != nil {
return
}