func (n *IpfsNode) startOnlineServices(ctx context.Context, routingOption RoutingOption, hostOption HostOption, do DiscoveryOption) error {
if n.PeerHost != nil { // already online.
return errors.New("node already online")
}
// load private key
if err := n.LoadPrivateKey(); err != nil {
return err
}
// Set reporter
n.Reporter = metrics.NewBandwidthCounter()
// get undialable addrs from config
cfg, err := n.Repo.Config()
if err != nil {
return err
}
var addrfilter []*net.IPNet
for _, s := range cfg.Swarm.AddrFilters {
f, err := mamask.NewMask(s)
if err != nil {
return fmt.Errorf("incorrectly formatter address filter in config: %s", s)
}
addrfilter = append(addrfilter, f)
}
peerhost, err := hostOption(ctx, n.Identity, n.Peerstore, n.Reporter, addrfilter)
if err != nil {
return err
}
if err := n.startOnlineServicesWithHost(ctx, peerhost, routingOption); err != nil {
return err
}
// Ok, now we're ready to listen.
if err := startListening(ctx, n.PeerHost, cfg); err != nil {
return err
}
n.Reprovider = rp.NewReprovider(n.Routing, n.Blockstore)
go n.Reprovider.ProvideEvery(ctx, kReprovideFrequency)
// setup local discovery
if do != nil {
service, err := do(n.PeerHost)
if err != nil {
log.Error("mdns error: ", err)
} else {
service.RegisterNotifee(n)
n.Discovery = service
}
}
return n.Bootstrap(DefaultBootstrapConfig)
}
// New constructs and sets up a new *BasicHost with given Network
func New(net inet.Network, opts ...interface{}) *BasicHost {
h := &BasicHost{
network: net,
mux: protocol.NewMux(),
bwc: metrics.NewBandwidthCounter(),
}
h.proc = goprocess.WithTeardown(func() error {
if h.natmgr != nil {
h.natmgr.Close()
}
return h.Network().Close()
})
// setup host services
h.ids = identify.NewIDService(h)
h.relay = relay.NewRelayService(h, h.Mux().HandleSync)
for _, o := range opts {
switch o := o.(type) {
case Option:
switch o {
case NATPortMap:
h.natmgr = newNatManager(h)
}
case metrics.Reporter:
h.bwc = o
}
}
net.SetConnHandler(h.newConnHandler)
net.SetStreamHandler(h.newStreamHandler)
return h
}