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swarm_addr.go
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/
swarm_addr.go
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package swarm
import (
conn "github.com/ipfs/go-ipfs/p2p/net/conn"
addrutil "github.com/ipfs/go-ipfs/p2p/net/swarm/addr"
ma "github.com/ipfs/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-multiaddr"
)
// ListenAddresses returns a list of addresses at which this swarm listens.
func (s *Swarm) ListenAddresses() []ma.Multiaddr {
listeners := s.swarm.Listeners()
addrs := make([]ma.Multiaddr, 0, len(listeners))
for _, l := range listeners {
if l2, ok := l.NetListener().(conn.Listener); ok {
addrs = append(addrs, l2.Multiaddr())
}
}
return addrs
}
// InterfaceListenAddresses returns a list of addresses at which this swarm
// listens. It expands "any interface" addresses (/ip4/0.0.0.0, /ip6/::) to
// use the known local interfaces.
func (s *Swarm) InterfaceListenAddresses() ([]ma.Multiaddr, error) {
return addrutil.ResolveUnspecifiedAddresses(s.ListenAddresses(), nil)
}
// checkNATWarning checks if our observed addresses differ. if so,
// informs the user that certain things might not work yet
func checkNATWarning(s *Swarm, observed ma.Multiaddr, expected ma.Multiaddr) {
listen, err := s.InterfaceListenAddresses()
if err != nil {
log.Debugf("Error retrieving swarm.InterfaceListenAddresses: %s", err)
return
}
addrutil.CheckNATWarning(observed, expected, listen)
}