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: peer.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 GenSwarmNetwork(t *testing.T, ctx context.Context) *swarm.Network {
p := tu.RandPeerNetParamsOrFatal(t)
ps := peer.NewPeerstore()
ps.AddPubKey(p.ID, p.PubKey)
ps.AddPrivKey(p.ID, p.PrivKey)
n, err := swarm.NewNetwork(ctx, []ma.Multiaddr{p.Addr}, p.ID, ps, metrics.NewBandwidthCounter())
if err != nil {
t.Fatal(err)
}
ps.AddAddrs(p.ID, n.ListenAddresses(), peer.PermanentAddrTTL)
return n
}
func (mn *mocknet) AddPeer(k ic.PrivKey, a ma.Multiaddr) (host.Host, error) {
p, err := peer.IDFromPublicKey(k.GetPublic())
if err != nil {
return nil, err
}
ps := peer.NewPeerstore()
ps.AddAddr(p, a, peer.PermanentAddrTTL)
ps.AddPrivKey(p, k)
ps.AddPubKey(p, k.GetPublic())
return mn.AddPeerWithPeerstore(p, ps)
}
func makeSwarms(ctx context.Context, t *testing.T, num int) []*Swarm {
swarms := make([]*Swarm, 0, num)
for i := 0; i < num; i++ {
localnp := testutil.RandPeerNetParamsOrFatal(t)
peerstore := peer.NewPeerstore()
peerstore.AddPubKey(localnp.ID, localnp.PubKey)
peerstore.AddPrivKey(localnp.ID, localnp.PrivKey)
addrs := []ma.Multiaddr{localnp.Addr}
swarm, err := NewSwarm(ctx, addrs, localnp.ID, peerstore, metrics.NewBandwidthCounter())
if err != nil {
t.Fatal(err)
}
swarm.SetStreamHandler(EchoStreamHandler)
swarms = append(swarms, swarm)
}
return swarms
}
func setupPeer(a args) (peer.ID, peer.Peerstore, error) {
if a.keybits < 1024 {
return "", nil, errors.New("Bitsize less than 1024 is considered unsafe.")
}
out("generating key pair...")
sk, pk, err := ci.GenerateKeyPair(ci.RSA, a.keybits)
if err != nil {
return "", nil, err
}
p, err := peer.IDFromPublicKey(pk)
if err != nil {
return "", nil, err
}
ps := peer.NewPeerstore()
ps.AddPrivKey(p, sk)
ps.AddPubKey(p, pk)
out("local peer id: %s", p)
return p, ps, nil
}
func TestFilterAddrs(t *testing.T) {
m := func(s string) ma.Multiaddr {
maddr, err := ma.NewMultiaddr(s)
if err != nil {
t.Fatal(err)
}
return maddr
}
bad := []ma.Multiaddr{
m("/ip4/1.2.3.4/udp/1234"), // unreliable
m("/ip4/1.2.3.4/udp/1234/sctp/1234"), // not in manet
m("/ip4/1.2.3.4/udp/1234/utp"), // utp is broken
m("/ip4/1.2.3.4/udp/1234/udt"), // udt is broken on arm
m("/ip6/fe80::1/tcp/0"), // link local
m("/ip6/fe80::100/tcp/1234"), // link local
}
good := []ma.Multiaddr{
m("/ip4/127.0.0.1/tcp/0"),
m("/ip6/::1/tcp/0"),
}
goodAndBad := append(good, bad...)
// test filters
for _, a := range bad {
if addrutil.AddrUsable(a, true) {
t.Errorf("addr %s should be unusable", a)
}
}
for _, a := range good {
if !addrutil.AddrUsable(a, true) {
t.Errorf("addr %s should be usable", a)
}
}
subtestAddrsEqual(t, addrutil.FilterUsableAddrs(bad), []ma.Multiaddr{})
subtestAddrsEqual(t, addrutil.FilterUsableAddrs(good), good)
subtestAddrsEqual(t, addrutil.FilterUsableAddrs(goodAndBad), good)
// now test it with swarm
id, err := testutil.RandPeerID()
if err != nil {
t.Fatal(err)
}
ps := peer.NewPeerstore()
ctx := context.Background()
if _, err := NewNetwork(ctx, bad, id, ps, metrics.NewBandwidthCounter()); err == nil {
t.Fatal("should have failed to create swarm")
}
if _, err := NewNetwork(ctx, goodAndBad, id, ps, metrics.NewBandwidthCounter()); err != nil {
t.Fatal("should have succeeded in creating swarm", err)
}
}