// New constructs and sets up a new *BasicHost with given Network func New(net inet.Network, opts ...interface{}) *BasicHost { h := &BasicHost{ network: net, mux: msmux.NewMultistreamMuxer(), NegotiateTimeout: NegotiateTimeout, } h.proc = goprocess.WithTeardown(func() error { if h.natmgr != nil { h.natmgr.Close() } return h.Network().Close() }) // setup host services h.ids = identify.NewIDService(h) muxh := h.Mux().Handle handle := func(s inet.Stream) { muxh(s) } h.relay = relay.NewRelayService(h, handle) for _, o := range opts { switch o := o.(type) { case Option: switch o { case NATPortMap: h.natmgr = newNatManager(h) } case metrics.Reporter: h.bwc = o } } h.ids.Reporter = h.bwc net.SetConnHandler(h.newConnHandler) net.SetStreamHandler(h.newStreamHandler) return h }