func NewTransport() *Transport {
mux := mss.NewMultistreamMuxer()
mux.AddHandler("/multiplex", nil)
mux.AddHandler("/spdystream", nil)
mux.AddHandler("/yamux", nil)
tpts := map[string]smux.Transport{
"/multiplex": multiplex.DefaultTransport,
"/spdystream": spdy.Transport,
"/yamux": yamux.DefaultTransport,
}
return &Transport{
mux: mux,
tpts: tpts,
OrderPreference: []string{"/yamux", "/spdystream", "/multiplex"},
}
}
// 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(),
bwc: metrics.NewBandwidthCounter(),
}
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
}
}
net.SetConnHandler(h.newConnHandler)
net.SetStreamHandler(h.newStreamHandler)
return h
}
func WrapTransportListener(ctx context.Context, ml transport.Listener, local peer.ID, sk ic.PrivKey) (Listener, error) {
l := &listener{
Listener: ml,
local: local,
privk: sk,
mux: msmux.NewMultistreamMuxer(),
incoming: make(chan connErr, connAcceptBuffer),
ctx: ctx,
}
l.proc = goprocessctx.WithContextAndTeardown(ctx, l.teardown)
l.catcher.IsTemp = func(e error) bool {
// ignore connection breakages up to this point. but log them
if e == io.EOF {
log.Debugf("listener ignoring conn with EOF: %s", e)
return true
}
te, ok := e.(tec.Temporary)
if ok {
log.Debugf("listener ignoring conn with temporary err: %s", e)
return te.Temporary()
}
return false
}
if EncryptConnections {
l.mux.AddHandler(SecioTag, nil)
} else {
l.mux.AddHandler(NoEncryptionTag, nil)
}
go l.handleIncoming()
log.Debugf("Conn Listener on %s", l.Multiaddr())
log.Event(ctx, "swarmListen", l)
return l, nil
}
func NewBlankTransport() *Transport {
return &Transport{
mux: mss.NewMultistreamMuxer(),
tpts: make(map[string]smux.Transport),
}
}