mirror of
https://github.com/libp2p/go-libp2p.git
synced 2025-10-18 22:14:49 +08:00
40 lines
1.3 KiB
Go
40 lines
1.3 KiB
Go
package swarm
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import (
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conn "github.com/ipfs/go-libp2p/p2p/net/conn"
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addrutil "github.com/ipfs/go-libp2p/p2p/net/swarm/addr"
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ma "gx/ipfs/QmR3JkmZBKYXgNMNsNZawm914455Qof3PEopwuVSeXG7aV/go-multiaddr"
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)
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// ListenAddresses returns a list of addresses at which this swarm listens.
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func (s *Swarm) ListenAddresses() []ma.Multiaddr {
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listeners := s.swarm.Listeners()
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addrs := make([]ma.Multiaddr, 0, len(listeners))
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for _, l := range listeners {
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if l2, ok := l.NetListener().(conn.Listener); ok {
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addrs = append(addrs, l2.Multiaddr())
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}
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}
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return addrs
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}
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// InterfaceListenAddresses returns a list of addresses at which this swarm
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// listens. It expands "any interface" addresses (/ip4/0.0.0.0, /ip6/::) to
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// use the known local interfaces.
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func (s *Swarm) InterfaceListenAddresses() ([]ma.Multiaddr, error) {
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return addrutil.ResolveUnspecifiedAddresses(s.ListenAddresses(), nil)
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}
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// checkNATWarning checks if our observed addresses differ. if so,
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// informs the user that certain things might not work yet
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func checkNATWarning(s *Swarm, observed ma.Multiaddr, expected ma.Multiaddr) {
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listen, err := s.InterfaceListenAddresses()
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if err != nil {
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log.Debugf("Error retrieving swarm.InterfaceListenAddresses: %s", err)
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return
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}
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addrutil.CheckNATWarning(observed, expected, listen)
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}
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