func NewNode(ctx context.Context, cfg *BuildCfg) (*IpfsNode, error) {
if cfg == nil {
cfg = new(BuildCfg)
}
err := cfg.fillDefaults()
if err != nil {
return nil, err
}
n := &IpfsNode{
mode: offlineMode,
Repo: cfg.Repo,
ctx: ctx,
Peerstore: pstore.NewPeerstore(),
}
if cfg.Online {
n.mode = onlineMode
}
// TODO: this is a weird circular-ish dependency, rework it
n.proc = goprocessctx.WithContextAndTeardown(ctx, n.teardown)
if err := setupNode(ctx, n, cfg); err != nil {
n.Close()
return nil, err
}
return n, nil
}
func WrapTransportListener(ctx context.Context, ml transport.Listener, local peer.ID, sk ic.PrivKey) (Listener, error) {
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
}
// newPeernet constructs a new peernet
func newPeernet(ctx context.Context, m *mocknet, p peer.ID, ps peer.Peerstore) (*peernet, error) {
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
}
// 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
}
wrap := func(c transport.Conn) transport.Conn {
return mconn.WrapConn(bwc, c)
}
s := &Swarm{
swarm: ps.NewSwarm(PSTransport),
local: local,
peers: peers,
ctx: ctx,
dialT: DialTimeout,
notifs: make(map[inet.Notifiee]ps.Notifiee),
transports: []transport.Transport{
transport.NewTCPTransport(),
transport.NewUtpTransport(),
},
bwc: bwc,
fdRateLimit: make(chan struct{}, concurrentFdDials),
Filters: filter.NewFilters(),
dialer: conn.NewDialer(local, peers.PrivKey(local), wrap),
}
// configure Swarm
s.proc = goprocessctx.WithContextAndTeardown(ctx, s.teardown)
s.SetConnHandler(nil) // make sure to setup our own conn handler.
err = s.setupInterfaces(listenAddrs)
if err != nil {
return nil, err
}
return s, nil
}
func WrapTransportListener(ctx context.Context, ml transport.Listener, local peer.ID, sk ic.PrivKey) (Listener, error) {
l := &listener{
Listener: ml,
local: local,
privk: sk,
mux: msmux.NewMultistreamMuxer(),
incoming: make(chan connErr, connAcceptBuffer),
ctx: ctx,
}
l.proc = goprocessctx.WithContextAndTeardown(ctx, l.teardown)
l.catcher.IsTemp = func(e error) bool {
// ignore connection breakages up to this point. but log them
if e == io.EOF {
log.Debugf("listener ignoring conn with EOF: %s", e)
return true
}
te, ok := e.(tec.Temporary)
if ok {
log.Debugf("listener ignoring conn with temporary err: %s", e)
return te.Temporary()
}
return false
}
if EncryptConnections {
l.mux.AddHandler(SecioTag, nil)
} else {
l.mux.AddHandler(NoEncryptionTag, nil)
}
go l.handleIncoming()
log.Debugf("Conn Listener on %s", l.Multiaddr())
log.Event(ctx, "swarmListen", l)
return l, nil
}