// Listen for new connections on the given multiaddr
func (s *Swarm) connListen(maddr *ma.Multiaddr) error {
netstr, addr, err := maddr.DialArgs()
if err != nil {
return err
}
list, err := net.Listen(netstr, addr)
if err != nil {
return err
}
// NOTE: this may require a lock around it later. currently, only run on setup
s.listeners = append(s.listeners, list)
// Accept and handle new connections on this listener until it errors
go func() {
for {
nconn, err := list.Accept()
if err != nil {
e := fmt.Errorf("Failed to accept connection: %s - %s [%s]",
netstr, addr, err)
go func() { s.Chan.Errors <- e }()
return
}
go s.handleNewConn(nconn)
}
}()
return nil
}
// Connect to a new peer at the given address, ping and add to the routing table
func (dht *IpfsDHT) Connect(addr *ma.Multiaddr) (*peer.Peer, error) {
maddrstr, _ := addr.String()
u.DOut("Connect to new peer: %s\n", maddrstr)
npeer, err := dht.network.ConnectNew(addr)
if err != nil {
return nil, err
}
// Ping new peer to register in their routing table
// NOTE: this should be done better...
err = dht.Ping(npeer, time.Second*2)
if err != nil {
return nil, fmt.Errorf("failed to ping newly connected peer: %s\n", err)
}
dht.Update(npeer)
return npeer, nil
}