Beispiel #1
0
// Handle getting ID from this peer and adding it into the map
func (s *Swarm) handleNewConn(nconn net.Conn) {
	p := new(peer.Peer)

	conn := &Conn{
		Peer: p,
		Addr: nil,
		Conn: nconn,
	}
	newConnChans(conn)

	sin, sout, err := ident.Handshake(s.local, p, conn.Incoming.MsgChan, conn.Outgoing.MsgChan)
	if err != nil {
		u.PErr("%v\n", err.Error())
		conn.Close()
		return
	}

	// Get address to contact remote peer from
	addr := <-sin
	maddr, err := ma.NewMultiaddr(string(addr))
	if err != nil {
		u.PErr("Got invalid address from peer.")
		s.Error(err)
		return
	}
	p.AddAddress(maddr)

	conn.secIn = sin
	conn.secOut = sout

	err = s.StartConn(conn)
	if err != nil {
		s.Error(err)
	}
}
Beispiel #2
0
// ConnectNew is for connecting to a peer when you dont know their ID,
// Should only be used when you are sure that you arent already connected to peer in question
func (s *Swarm) ConnectNew(addr *ma.Multiaddr) (*peer.Peer, error) {
	if addr == nil {
		return nil, errors.New("nil Multiaddr passed to swarm.Connect()")
	}
	npeer := new(peer.Peer)
	npeer.AddAddress(addr)

	conn, err := Dial("tcp", npeer)
	if err != nil {
		return nil, err
	}

	err = s.handleDialedCon(conn)
	return npeer, err
}
Beispiel #3
0
func makePeer(addr *ma.Multiaddr) *peer.Peer {
	p := new(peer.Peer)
	p.AddAddress(addr)
	sk, pk, err := ci.GenerateKeyPair(ci.RSA, 512)
	if err != nil {
		panic(err)
	}
	p.PrivKey = sk
	p.PubKey = pk
	id, err := identify.IDFromPubKey(pk)
	if err != nil {
		panic(err)
	}

	p.ID = id
	return p
}
Beispiel #4
0
func setupDHTS(n int, t *testing.T) ([]*ma.Multiaddr, []*peer.Peer, []*IpfsDHT) {
	var addrs []*ma.Multiaddr
	for i := 0; i < 4; i++ {
		a, err := ma.NewMultiaddr(fmt.Sprintf("/ip4/127.0.0.1/tcp/%d", 5000+i))
		if err != nil {
			t.Fatal(err)
		}
		addrs = append(addrs, a)
	}

	var peers []*peer.Peer
	for i := 0; i < 4; i++ {
		p := new(peer.Peer)
		p.AddAddress(addrs[i])
		sk, pk, err := ci.GenerateKeyPair(ci.RSA, 512)
		if err != nil {
			panic(err)
		}
		p.PubKey = pk
		p.PrivKey = sk
		id, err := identify.IDFromPubKey(pk)
		if err != nil {
			panic(err)
		}
		p.ID = id
		peers = append(peers, p)
	}

	var dhts []*IpfsDHT
	for i := 0; i < 4; i++ {
		net := swarm.NewSwarm(peers[i])
		err := net.Listen()
		if err != nil {
			t.Fatal(err)
		}
		d := NewDHT(peers[i], net, ds.NewMapDatastore())
		dhts = append(dhts, d)
		d.Start()
	}

	return addrs, peers, dhts
}