55 lines
1.3 KiB
Go
55 lines
1.3 KiB
Go
package relay
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import (
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"context"
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"time"
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inet "github.com/libp2p/go-libp2p-core/network"
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peer "github.com/libp2p/go-libp2p-core/peer"
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ma "github.com/multiformats/go-multiaddr"
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)
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var _ inet.Notifiee = (*RelayNotifiee)(nil)
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type RelayNotifiee Relay
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func (r *Relay) notifiee() inet.Notifiee {
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return (*RelayNotifiee)(r)
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}
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func (n *RelayNotifiee) Relay() *Relay {
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return (*Relay)(n)
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}
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func (n *RelayNotifiee) Listen(net inet.Network, a ma.Multiaddr) {}
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func (n *RelayNotifiee) ListenClose(net inet.Network, a ma.Multiaddr) {}
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func (n *RelayNotifiee) OpenedStream(net inet.Network, s inet.Stream) {}
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func (n *RelayNotifiee) ClosedStream(net inet.Network, s inet.Stream) {}
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func (n *RelayNotifiee) Connected(s inet.Network, c inet.Conn) {
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if n.Relay().Matches(c.RemoteMultiaddr()) {
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return
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}
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go func(id peer.ID) {
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ctx, cancel := context.WithTimeout(n.ctx, time.Second)
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defer cancel()
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canhop, err := n.Relay().CanHop(ctx, id)
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if err != nil {
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log.Debugf("Error testing relay hop: %s", err.Error())
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return
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}
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if canhop {
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log.Debugf("Discovered hop relay %s", id.Pretty())
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n.mx.Lock()
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n.relays[id] = struct{}{}
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n.mx.Unlock()
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n.host.ConnManager().TagPeer(id, "relay-hop", 2)
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}
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}(c.RemotePeer())
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}
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func (n *RelayNotifiee) Disconnected(s inet.Network, c inet.Conn) {}
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