Esempio n. 1
0
    public void Test()
    {
      Address addr_x = new AHAddress(new RNGCryptoServiceProvider());
      byte[] addrbuff = Address.ConvertToAddressBuffer(addr_x.ToBigInteger() + (Address.Full / 2));
      Address.SetClass(addrbuff, AHAddress._class);
      Address addr_y = new AHAddress(addrbuff);

      List<Connection> connections = new List<Connection>();
      ConnectionTable ct_x = new ConnectionTable();
      ConnectionTable ct_y = new ConnectionTable();
      ConnectionTable ct_empty = new ConnectionTable();
      NCService ncservice = new NCService();

      Connection fast_con = null;
      for(int i = 1; i <= 11; i++) {
        addrbuff = Address.ConvertToAddressBuffer(addr_x.ToBigInteger() + (i * Address.Full / 16));
        Address.SetClass(addrbuff, AHAddress._class);
        Address addr = new AHAddress(addrbuff);
        Connection con = null;

        TransportAddress ta = TransportAddressFactory.CreateInstance("brunet.tcp://158.7.0.1:5000");
        Edge fe = new FakeEdge(ta, ta, TransportAddress.TAType.Tcp);
        if(i <= 10) {
          con = new Connection(fe, addr, "structured", null, null);
          ct_x.Add(con);
          if(i % 2 == 0) {
            ncservice.ProcessSample(DateTime.UtcNow, String.Empty, addr,
                new Point(new double[] {0, 0}, 0), 0, i*10);
          }
        } else {
          fast_con = new Connection(fe, addr, "structured", null, null);
          ncservice.ProcessSample(DateTime.UtcNow, String.Empty, addr,
              new Point(new double[] {0, 0}, 0), 0, 5);
        }

        if(i == 10) {
          ct_y.Add(con);
        }
        connections.Add(con);
      }

      ITunnelOverlap sto = new SimpleTunnelOverlap();
      ITunnelOverlap nto = new NCTunnelOverlap(ncservice);

      ConnectionType con_type = ConnectionType.Structured;
      List<Connection> pre_cons = new List<Connection>();
      pre_cons.Add(connections[9]);
      IDictionary id = nto.GetSyncMessage(pre_cons, addr_x, ct_x.GetConnections(con_type));

      // We do have some pre-existing overlap
      Assert.AreEqual(nto.EvaluateOverlap(ct_y.GetConnections(con_type), id)[0], connections[9], "NC: Have an overlap!");
      Assert.AreEqual(sto.EvaluateOverlap(ct_y.GetConnections(con_type), id)[0], connections[9], "Simple: Have an overlap!");

      // We have no overlap with an empty connection table
      Assert.AreEqual(nto.EvaluateOverlap(ct_empty.GetConnections(con_type), id).Count, 0, "No overlap!");
      Assert.AreEqual(sto.EvaluateOverlap(ct_empty.GetConnections(con_type), id).Count, 0, "No overlap!");

      // latency[0] == -1
      Assert.AreEqual(connections[1].Address.Equals(nto.EvaluatePotentialOverlap(id)), true,
          "NC: EvaluatePotentialOverlap returns expected!");
      Assert.AreEqual(ct_x.Contains(con_type, sto.EvaluatePotentialOverlap(id)), true,
          "Simple: EvaluatePotentialOverlap returns valid!");

      ct_y.Add(fast_con);
      ct_x.Add(fast_con);
      id = nto.GetSyncMessage(pre_cons, addr_x, ct_x.GetConnections(con_type));
      Assert.AreEqual(fast_con.Address.Equals(nto.EvaluatePotentialOverlap(id)), true,
          "NC: EvaluatePotentialOverlap returns expected!");
      Assert.AreEqual(nto.EvaluateOverlap(ct_y.GetConnections(con_type), id)[0], fast_con, "NC: Have better overlap!");
    }
Esempio n. 2
0
    public void WrapperEdgeRegressionTest()
    {
      AHAddress addr = new AHAddress(new System.Security.Cryptography.RNGCryptoServiceProvider());
      TransportAddress ta = TransportAddressFactory.CreateInstance("brunet.tcp://169.0.5.1:5000");
      FakeEdge fe = new FakeEdge(ta, ta);
      WrapperEdge we_fe = new WrapperEdge(fe);
      Connection fcon = new Connection(we_fe, addr, "structured", null, null);

      List<Connection> overlap = new List<Connection>();
      overlap.Add(fcon);
      RelayTransportAddress tta = new RelayTransportAddress(addr, overlap);
      RelayEdge te1 = new RelayEdge(null, tta, tta, new SimpleForwarderSelector(), overlap);
      WrapperEdge we_te1 = new WrapperEdge(te1);
      Connection t1con = new Connection(we_te1, addr, "structured", null, null);

      overlap = new List<Connection>();
      overlap.Add(t1con);
      RelayEdge te2 = new RelayEdge(null, tta, tta, new SimpleForwarderSelector(), overlap);
      WrapperEdge we_te2 = new WrapperEdge(te2);
      Connection t2con = new Connection(we_te2, addr, "structured", null, null);

      overlap = new List<Connection>();
      overlap.Add(t2con);
      RelayEdge te3 = new RelayEdge(null, tta, tta, new SimpleForwarderSelector(), overlap);
      WrapperEdge we_te3 = new WrapperEdge(te3);
      Connection t3con = new Connection(we_te3, addr, "structured", null, null);

      overlap = new List<Connection>();
      overlap.Add(t3con);
      RelayEdge te4 = new RelayEdge(null, tta, tta, new SimpleForwarderSelector(), overlap);
      WrapperEdge we_te4 = new WrapperEdge(te4);
      Connection t4con = new Connection(we_te4, addr, "structured", null, null);

      overlap = new List<Connection>();
      overlap.Add(t4con);
      RelayEdge te5 = new RelayEdge(null, tta, tta, new SimpleForwarderSelector(), overlap);
      WrapperEdge we_te5 = new WrapperEdge(te5);
      Connection t5con = new Connection(we_te5, addr, "structured", null, null);

      Assert.AreEqual(te5.ShouldClose(), false, "Shouldn't close yet...");
      te1.DisconnectionHandler(fcon);
      Assert.AreEqual(te5.ShouldClose(), true, "Should close...");

      overlap.Add(t5con);
      overlap.Add(t3con);
      overlap.Add(t1con);
      te2.UpdateNeighborIntersection(overlap);
      Assert.AreEqual(te5.ShouldClose(), true, "Should close... 2");
    }
Esempio n. 3
0
    public void Test()
    {
      IRelayOverlap _ito = new SimpleRelayOverlap();
      Address addr_x = new AHAddress(new RNGCryptoServiceProvider());
      byte[] addrbuff = Address.ConvertToAddressBuffer(addr_x.ToBigInteger() + (Address.Full / 2));
      Address.SetClass(addrbuff, AHAddress._class);
      Address addr_y = new AHAddress(addrbuff);

      ArrayList addresses = new ArrayList();
      ConnectionTable ct_x = new ConnectionTable();
      ConnectionTable ct_y = new ConnectionTable();
      ConnectionTable ct_empty = new ConnectionTable();
      for(int i = 1; i <= 10; i++) {
        addrbuff = Address.ConvertToAddressBuffer(addr_x.ToBigInteger() + (i * Address.Full / 16));
        Address.SetClass(addrbuff, AHAddress._class);
        addresses.Add(new AHAddress(addrbuff));

        TransportAddress ta = TransportAddressFactory.CreateInstance("brunet.tcp://158.7.0.1:5000");
        Edge fe = new FakeEdge(ta, ta, TransportAddress.TAType.Tcp);
        ct_x.Add(new Connection(fe, addresses[i - 1] as AHAddress, "structured", null, null));
        if(i == 10) {
          ct_y.Add(new Connection(fe, addresses[i - 1] as AHAddress, "structured", null, null));
        }
      }


      ConnectionType con_type = ConnectionType.Structured;
      IDictionary id = _ito.GetSyncMessage(null, addr_x, ct_x.GetConnections(con_type));
      Assert.AreEqual(_ito.EvaluateOverlap(ct_y.GetConnections(con_type), id)[0].Address, addresses[9], "Have an overlap!");
      Assert.AreEqual(_ito.EvaluateOverlap(ct_empty.GetConnections(con_type), id).Count, 0, "No overlap!");
      Assert.AreEqual(addresses.Contains(_ito.EvaluatePotentialOverlap(id)), true, "EvaluatePotentialOverlap returns valid!");
    }
Esempio n. 4
0
        public void TestPortPrediction()
        {
            Edge e = new FakeEdge(TransportAddressFactory.CreateInstance("brunet.udp://127.0.0.1:80"),
                                  TransportAddressFactory.CreateInstance("brunet.udp://127.0.0.1:1080"));
            NatHistory h = null;

            h = h + new NewEdgePoint(DateTime.UtcNow, e);
            h = h + new LocalMappingChangePoint(DateTime.UtcNow, e,
                                                TransportAddressFactory.CreateInstance("brunet.udp://128.128.128.128:80"));
            NatHandler nh = new PublicNatHandler();

            Assert.IsTrue(nh.IsMyType(h), "PublicNatHandler");
            IList tas = nh.TargetTAs(h);

            Assert.IsTrue(tas.Contains(
                              TransportAddressFactory.CreateInstance("brunet.udp://128.128.128.128:80")
                              ), "ConeNatHandler.TargetTAs");

            nh = new ConeNatHandler();
            Assert.IsTrue(nh.IsMyType(h), "ConeNatHandler");
            tas = nh.TargetTAs(h);
            //foreach(object ta in tas) { Console.Error.WriteLine(ta); }
            Assert.IsTrue(tas.Contains(
                              TransportAddressFactory.CreateInstance("brunet.udp://128.128.128.128:80")
                              ), "ConeNatHandler.TargetTAs");

            /*
             * Now, let's try Port prediction:
             */
            int local_port = 80;
            int port       = local_port;

            h = null;
            while (port < 86)
            {
                e = new FakeEdge(TransportAddressFactory.CreateInstance("brunet.udp://127.0.0.1:"
                                                                        + local_port.ToString()),
                                 TransportAddressFactory.CreateInstance("brunet.udp://127.0.0.1:1081"));
                h = h + new NewEdgePoint(DateTime.UtcNow, e);

                h = h + new LocalMappingChangePoint(DateTime.UtcNow, e,
                                                    TransportAddressFactory.CreateInstance("brunet.udp://128.128.128.128:"
                                                                                           + port.ToString()
                                                                                           ));
                port = port + 1;
            }
            nh = new SymmetricNatHandler();
            Assert.IsTrue(nh.IsMyType(h), "SymmetricNatHandler");
            tas = nh.TargetTAs(h);
            //foreach(object ta in tas) { Console.Error.WriteLine(ta); }
            Assert.IsTrue(tas.Contains(
                              TransportAddressFactory.CreateInstance("brunet.udp://128.128.128.128:86")
                              ), "SymmetricNatHandler.TargetTAs");
            nh = new LinuxNatHandler();
            Assert.IsTrue(nh.IsMyType(h), "LinuxNatHandler");
            tas = nh.TargetTAs(h);
            //foreach(object ta in tas) { Console.Error.WriteLine(ta); }
            Assert.IsTrue(tas.Contains(
                              TransportAddressFactory.CreateInstance("brunet.udp://128.128.128.128:86")
                              ), "LinuxNatHandler.TargetTAs");
            Assert.IsTrue(tas.Contains(
                              TransportAddressFactory.CreateInstance("brunet.udp://128.128.128.128:80")
                              ), "LinuxNatHandler.TargetTAs");
        }