// NewDHT creates a new DHT object with the given peer as the 'local' host
func NewDHT(ctx context.Context, h host.Host, dstore ds.ThreadSafeDatastore) *IpfsDHT {
dht := new(IpfsDHT)
dht.datastore = dstore
dht.self = h.ID()
dht.peerstore = h.Peerstore()
dht.host = h
// register for network notifs.
dht.host.Network().Notify((*netNotifiee)(dht))
dht.proc = goprocess.WithTeardown(func() error {
// remove ourselves from network notifs.
dht.host.Network().StopNotify((*netNotifiee)(dht))
return nil
})
dht.ctx = ctx
h.SetStreamHandler(ProtocolDHT, dht.handleNewStream)
dht.providers = NewProviderManager(dht.ctx, dht.self)
dht.proc.AddChild(dht.providers.proc)
goprocessctx.CloseAfterContext(dht.proc, ctx)
dht.routingTable = kb.NewRoutingTable(20, kb.ConvertPeerID(dht.self), time.Minute, dht.peerstore)
dht.birth = time.Now()
dht.Validator = make(record.Validator)
dht.Validator["pk"] = record.PublicKeyValidator
return dht
}
func testHasProtocolVersions(t *testing.T, h host.Host, p peer.ID) {
v, err := h.Peerstore().Get(p, "ProtocolVersion")
if v == nil {
t.Error("no protocol version")
return
}
if v.(string) != identify.IpfsVersion {
t.Error("protocol mismatch", err)
}
v, err = h.Peerstore().Get(p, "AgentVersion")
if v.(string) != identify.ClientVersion {
t.Error("agent version mismatch", err)
}
}
func testKnowsAddrs(t *testing.T, h host.Host, p peer.ID, expected []ma.Multiaddr) {
actual := h.Peerstore().Addrs(p)
if len(actual) != len(expected) {
t.Error("dont have the same addresses")
}
have := map[string]struct{}{}
for _, addr := range actual {
have[addr.String()] = struct{}{}
}
for _, addr := range expected {
if _, found := have[addr.String()]; !found {
t.Errorf("%s did not have addr for %s: %s", h.ID(), p, addr)
// panic("ahhhhhhh")
}
}
}