status-go/vendor/github.com/libp2p/go-libp2p-autonat/notify.go

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2019-06-09 07:24:20 +00:00
package autonat
import (
"time"
"github.com/libp2p/go-libp2p-core/network"
ma "github.com/multiformats/go-multiaddr"
)
var _ network.Notifiee = (*AmbientAutoNAT)(nil)
var AutoNATIdentifyDelay = 5 * time.Second
func (as *AmbientAutoNAT) Listen(net network.Network, a ma.Multiaddr) {}
func (as *AmbientAutoNAT) ListenClose(net network.Network, a ma.Multiaddr) {}
func (as *AmbientAutoNAT) OpenedStream(net network.Network, s network.Stream) {}
func (as *AmbientAutoNAT) ClosedStream(net network.Network, s network.Stream) {}
func (as *AmbientAutoNAT) Connected(net network.Network, c network.Conn) {
p := c.RemotePeer()
go func() {
// add some delay for identify
time.Sleep(AutoNATIdentifyDelay)
protos, err := as.host.Peerstore().SupportsProtocols(p, AutoNATProto)
if err != nil {
log.Debugf("error retrieving supported protocols for peer %s: %s", p, err)
return
}
if len(protos) > 0 {
log.Infof("Discovered AutoNAT peer %s", p.Pretty())
as.mx.Lock()
as.peers[p] = as.host.Peerstore().Addrs(p)
as.mx.Unlock()
}
}()
}
func (as *AmbientAutoNAT) Disconnected(net network.Network, c network.Conn) {}