// NewSwarm constructs a Swarm, with a Chan.
func NewSwarm(ctx context.Context, listenAddrs []ma.Multiaddr,
local peer.ID, peers peer.Peerstore, bwc metrics.Reporter) (*Swarm, error) {
listenAddrs, err := filterAddrs(listenAddrs)
if err != nil {
return nil, err
}
s := &Swarm{
swarm: ps.NewSwarm(PSTransport),
local: local,
peers: peers,
ctx: ctx,
dialT: DialTimeout,
notifs: make(map[inet.Notifiee]ps.Notifiee),
bwc: bwc,
Filters: filter.NewFilters(),
}
// configure Swarm
s.proc = goprocessctx.WithContextAndTeardown(ctx, s.teardown)
s.SetConnHandler(nil) // make sure to setup our own conn handler.
// setup swarm metrics
prom.MustRegisterOrGet(peersTotal)
s.Notify((*metricsNotifiee)(s))
return s, s.listen(listenAddrs)
}
// newPeernet constructs a new peernet
func newPeernet(ctx context.Context, m *mocknet, k ic.PrivKey,
a ma.Multiaddr) (*peernet, error) {
p, err := peer.IDFromPublicKey(k.GetPublic())
if err != nil {
return nil, err
}
// create our own entirely, so that peers knowledge doesn't get shared
ps := peer.NewPeerstore()
ps.AddAddr(p, a, peer.PermanentAddrTTL)
ps.AddPrivKey(p, k)
ps.AddPubKey(p, k.GetPublic())
n := &peernet{
mocknet: m,
peer: p,
ps: ps,
connsByPeer: map[peer.ID]map[*conn]struct{}{},
connsByLink: map[*link]map[*conn]struct{}{},
notifs: make(map[inet.Notifiee]struct{}),
}
n.proc = goprocessctx.WithContextAndTeardown(ctx, n.teardown)
return n, nil
}
// Listen listens on the particular multiaddr, with given peer and peerstore.
func Listen(ctx context.Context, addr ma.Multiaddr, local peer.ID, sk ic.PrivKey) (Listener, error) {
ml, err := manetListen(addr)
if err != nil {
return nil, err
}
l := &listener{
Listener: ml,
local: local,
privk: sk,
}
l.proc = goprocessctx.WithContextAndTeardown(ctx, l.teardown)
log.Debugf("Conn Listener on %s", l.Multiaddr())
log.Event(ctx, "swarmListen", l)
return l, nil
}
