public void Init()
{
Console.WriteLine("Initializing...");
ArrayList RemoteTA = new ArrayList();
for (int i = 0; i < network_size; i++)
{
RemoteTA.Add(TransportAddressFactory.CreateInstance("brunet.udp://127.0.0.1:" + (base_port + i)));
}
for (int i = 0; i < network_size; i++)
{
Address addr = (Address) new AHAddress(new RNGCryptoServiceProvider());
Node node = new StructuredNode((AHAddress)addr, brunet_namespace);
nodes.Add(addr, node);
node.AddEdgeListener(new UdpEdgeListener(base_port + i));
node.RemoteTAs = RemoteTA;
tables[addr] = new TableServer(node);
(new Thread(node.Connect)).Start();
// if(i < network_size / ((Dht)dhts.GetByIndex(i)).DEGREE) {
// ((Dht)dhts.GetByIndex(i)).debug = true;
// }
}
default_dht = new Dht((Node)nodes.GetByIndex(0), degree);
}
public void Test()
{
string ta_string = "brunet.tunnel://UBU72YLHU5C3SY7JMYMJRTKK4D5BGW22/FE4QWASN+FE4QWASM";
TransportAddress ta = TransportAddressFactory.CreateInstance("brunet.tunnel://UBU72YLHU5C3SY7JMYMJRTKK4D5BGW22/FE4QWASN+FE4QWASM");
Assert.AreEqual(ta.ToString(), ta_string, "testing tunnel TA parsing");
//Console.WriteLine(ta);
RelayTransportAddress tun_ta = (RelayTransportAddress)TransportAddressFactory.CreateInstance("brunet.tunnel://OIHZCNNUAXTLLARQIOBNCUWXYNAS62LO/CADSL6GV+CADSL6GU");
ArrayList fwd = new ArrayList();
fwd.Add(new AHAddress(Base32.Decode("CADSL6GVVBM6V442CETP4JTEAWACLC5A")));
fwd.Add(new AHAddress(Base32.Decode("CADSL6GUVBM6V442CETP4JTEAWACLC5A")));
RelayTransportAddress test_ta = new RelayTransportAddress(tun_ta.Target, fwd);
Assert.AreEqual(tun_ta, test_ta, "testing tunnel TA compression enhancements");
//Console.WriteLine(tun_ta.ToString());
//Console.WriteLine(test_ta.ToString());
Assert.AreEqual(tun_ta.ToString(), test_ta.ToString(), "testing tunnel TA compression enhancements (toString)");
Assert.AreEqual(tun_ta.ContainsForwarder(new AHAddress(Base32.Decode("CADSL6GVVBM6V442CETP4JTEAWACLC5A"))), true,
"testing tunnel TA contains forwarder (1)");
Assert.AreEqual(tun_ta.ContainsForwarder(new AHAddress(Base32.Decode("CADSL6GUVBM6V442CETP4JTEAWACLC5A"))), true,
"testing tunnel TA contains forwarder (2)");
}
static public Node AddNode(Simulator sim, NatTypes type0, NatTypes type1, bool relay)
{
Node node = sim.AddNode();
NatFactory.AddNat(node.EdgeListenerList, type0);
if (relay)
{
Relay.IRelayOverlap ito = new Relay.SimpleRelayOverlap();
EdgeListener el = new Relay.RelayEdgeListener(node, ito);
node.AddEdgeListener(el);
el.Start();
}
if (type1 != NatTypes.Disabled)
{
NodeMapping nm = sim.Nodes[node.Address];
int id = nm.ID;
string tas = SimulationTransportAddress.GetString(TransportAddress.TAType.SO, id);
INat nat = GetNat(TransportAddressFactory.CreateInstance(tas), type1);
SimulationEdgeListener el = new SimulationEdgeListener(id, 0, null,
true, TransportAddress.TAType.SO, nat);
node.AddEdgeListener(el);
el.Start();
}
return(node);
}
public void Test()
{
SimulationTransportAddress.Enable();
SimulationTransportAddressOther.Enable();
TransportAddress tas = TransportAddressFactory.CreateInstance("b.s://234580");
Assert.AreEqual(tas.ToString(), "b.s://234580", "Simulation string");
Assert.AreEqual((tas as SimulationTransportAddress).ID, 234580, "Simulation id");
Assert.AreEqual(TransportAddress.TAType.S, tas.TransportAddressType, "Simulation ta type");
TransportAddress taso = TransportAddressFactory.CreateInstance("b.so://234580");
Assert.AreEqual(taso.ToString(), "b.so://234580", "Simulation string");
Assert.AreEqual((taso as SimulationTransportAddressOther).ID, 234580, "Simulation id");
Assert.AreEqual(TransportAddress.TAType.SO, taso.TransportAddressType, "Simulation ta type");
Assert.AreNotEqual(taso, tas, "TAs not equal");
Assert.AreNotEqual(taso.TransportAddressType, tas.TransportAddressType, "Type not equal");
var tas1 = TransportAddressFactory.CreateInstance("b.s://-234581");
Assert.AreEqual(-234581, (tas1 as SimulationTransportAddress).ID);
var tas2 = (tas as SimulationTransportAddress).Invert();
Assert.AreEqual(tas1, tas2, "Invert equal");
}
public void TestWriteAndParse()
{
RandomNumberGenerator rng = new RNGCryptoServiceProvider();
Address a = new AHAddress(rng);
TransportAddress ta = TransportAddressFactory.CreateInstance("brunet.tcp://127.0.0.1:5000");
NodeInfo ni = NodeInfo.CreateInstance(a, ta);
RoundTripHT(ni);
RoundTrip(ni);
//Test multiple tas:
ArrayList tas = new ArrayList();
tas.Add(ta);
for (int i = 5001; i < 5010; i++)
{
tas.Add(TransportAddressFactory.CreateInstance("brunet.tcp://127.0.0.1:" + i.ToString()));
}
NodeInfo ni3 = NodeInfo.CreateInstance(a, tas);
RoundTripHT(ni3);
RoundTrip(ni3);
//Test null address:
NodeInfo ni4 = NodeInfo.CreateInstance(null, ta);
RoundTripHT(ni4);
RoundTrip(ni4);
//No TAs:
NodeInfo ni5 = NodeInfo.CreateInstance(a);
RoundTripHT(ni5);
RoundTrip(ni5);
}
public static NodeInfo CreateInstance(IDictionary d)
{
Address address = null;
IList tas;
object addr_str = d["address"];
if (addr_str != null)
{
address = AddressParser.Parse((string)addr_str);
}
IList trans = d["transports"] as IList;
if (trans != null)
{
int count = trans.Count;
tas = new TransportAddress[count];
for (int i = 0; i < count; i++)
{
tas[i] = TransportAddressFactory.CreateInstance((string)trans[i]);
}
NodeInfo ni = CreateInstance(address, tas);
return(ni);
}
else
{
NodeInfo ni = CreateInstance(address);
return(ni);
}
}
public void SMTest()
{
Address a = new DirectionalAddress(DirectionalAddress.Direction.Left);
TransportAddress ta = TransportAddressFactory.CreateInstance("brunet.tcp://127.0.0.1:5000");
NodeInfo ni = NodeInfo.CreateInstance(a, ta);
//Test with one neighbor:
ArrayList neighbors = new ArrayList();
neighbors.Add(ni);
StatusMessage sm1 = new StatusMessage(ConnectionType.Structured, neighbors);
RoundTripHT(sm1);
//Console.Error.WriteLine("\n{0}\n", sm1);
//Test with many neighbors:
for (int i = 5001; i < 5010; i++)
{
neighbors.Add(NodeInfo.CreateInstance(a,
TransportAddressFactory.CreateInstance("brunet.tcp://127.0.0.1:"
+ i.ToString())));
}
StatusMessage sm2 = new StatusMessage(ConnectionType.Unstructured, neighbors);
RoundTripHT(sm2);
//Console.Error.WriteLine("\n{0}\n", sm2);
//Here is a StatusMessage with no neighbors (that has to be a possibility)
StatusMessage sm3 = new StatusMessage("structured", new ArrayList());
RoundTripHT(sm3);
//Console.Error.WriteLine("\n{0}\n", sm3);
}
public SimulationEdgeListener(int id, double loss_prob, TAAuthorizer ta_auth, bool use_delay) :
this(id, loss_prob, ta_auth, use_delay, TransportAddress.TAType.S,
new PublicNat(TransportAddressFactory.CreateInstance(
String.Format("b.{0}://{1}",
TransportAddress.TATypeToString(TransportAddress.TAType.S), id))))
{
}
protected TransportAddress GetTransportAddress(int id)
{
string tas = String.Format("b.{0}://{1}",
TransportAddress.TATypeToString(TAType), id);
return(TransportAddressFactory.CreateInstance(tas));
}
protected void Start()
{
_start = true;
for (int i = 0; i < _parameters.Size; i++)
{
AddNode();
}
TransportAddress broken_ta = TransportAddressFactory.CreateInstance("b.s://" + 0);
for (int idx = 0; idx < Nodes.Count; idx++)
{
NodeMapping nm = Nodes.Values[idx];
var tas = new List <TransportAddress>();
int cidx = idx + 1;
cidx = cidx == Nodes.Count ? 0 : cidx;
tas.Add(Nodes.Values[cidx].Node.LocalTAs[0]);
if (_broken != 0)
{
tas.Add(broken_ta);
}
nm.Node.RemoteTAs = tas;
}
foreach (NodeMapping nm in Nodes.Values)
{
nm.Node.Connect();
}
_start = false;
}
/// <summary>Always returns the oldest non-tunnel address.</summary>
public virtual Address EvaluatePotentialOverlap(IDictionary msg)
{
Address oldest_addr = null;
int oldest_age = -1;
foreach (DictionaryEntry de in msg)
{
MemBlock key = de.Key as MemBlock;
if (key == null)
{
key = MemBlock.Reference((byte[])de.Key);
}
Address addr = new AHAddress(key);
Hashtable values = de.Value as Hashtable;
TransportAddress.TAType tatype =
TransportAddressFactory.StringToType(values["ta"] as string);
if (tatype.Equals(TransportAddress.TAType.Tunnel))
{
continue;
}
int age = (int)values["ct"];
if (age > oldest_age)
{
oldest_addr = addr;
}
}
return(oldest_addr);
}
/** return the base TransportAddress and the path associated with it
*/
public static TransportAddress SplitPath(TransportAddress ta, out string path)
{
Uri orig_u = ta.Uri;
path = orig_u.AbsolutePath;
string base_uri = String.Format("{0}://{1}", orig_u.Scheme, orig_u.Authority);
return(TransportAddressFactory.CreateInstance(base_uri));
}
public void CacheTest()
{
RandomNumberGenerator rng = new RNGCryptoServiceProvider();
Address a = new AHAddress(rng);
Address a2 = new AHAddress(a.ToMemBlock());
TransportAddress ta = TransportAddressFactory.CreateInstance("brunet.tcp://127.0.0.1:5000");
TransportAddress ta2 = TransportAddressFactory.CreateInstance("brunet.tcp://127.0.0.1:5000");
NodeInfo ni = NodeInfo.CreateInstance(a, ta);
NodeInfo ni2 = NodeInfo.CreateInstance(a2, ta2);
Assert.AreSame(ni, ni2, "Reference equality of NodeInfo objects");
}
public void LMSerializationTest()
{
NodeInfo n1 = NodeInfo.CreateInstance(null, TransportAddressFactory.CreateInstance("brunet.tcp://127.0.0.1:45"));
RandomNumberGenerator rng = new RNGCryptoServiceProvider();
AHAddress tmp_add = new AHAddress(rng);
LinkMessage l1 = new LinkMessage(ConnectionType.Structured, n1,
NodeInfo.CreateInstance(new DirectionalAddress(DirectionalAddress.Direction.Left),
TransportAddressFactory.CreateInstance("brunet.tcp://127.0.0.1:837")), string.Empty,
tmp_add.ToString());
RoundTripHT(l1);
}
public void Test()
{
SubringTransportAddress sta = new SubringTransportAddress(
new AHAddress(Base32.Decode("CADSL6GVVBM6V442CETP4JTEAWACLC5A")),
"ns.ns0.ns1");
string ta_string = "brunet.subring://CADSL6GVVBM6V442CETP4JTEAWACLC5A.ns.ns0.ns1";
TransportAddress ta = TransportAddressFactory.CreateInstance(ta_string);
Assert.AreEqual(ta, sta, "TA == STA -- 1");
ta_string = "brunet.subring://CADSL6GVVBM6V442CETP4JTEAWACLC5A.ns.ns0.ns1/";
ta = TransportAddressFactory.CreateInstance(ta_string);
Assert.AreEqual(ta, sta, "TA == STA -- 2");
}
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");
}
/** Join a path to the end of a TransportAddress
*/
public static TransportAddress JoinPath(TransportAddress ta, string path)
{
Uri orig_u = ta.Uri;
string s = orig_u.ToString();
if (s[s.Length - 1] == '/')
{
s = s.Substring(0, s.Length - 1);
}
if (path[0] == '/')
{
path = path.Substring(1);
}
return(TransportAddressFactory.CreateInstance(String.Format("{0}/{1}", s, path)));
}
/// <summary>Always returns the fastest non-tunnel, overlapping address.</summary>
public override Address EvaluatePotentialOverlap(IDictionary msg)
{
Address best_addr = null;
double best_latency = double.MaxValue;
Address their_best_addr = null;
double their_best_latency = double.MaxValue;
foreach (DictionaryEntry de in msg)
{
MemBlock key = de.Key as MemBlock;
if (key == null)
{
key = MemBlock.Reference((byte[])de.Key);
}
Address addr = new AHAddress(key);
IDictionary info = de.Value as IDictionary;
TransportAddress.TAType tatype =
TransportAddressFactory.StringToType(info["ta"] as string);
if (tatype.Equals(TransportAddress.TAType.Relay))
{
continue;
}
double latency = _ncservice.GetMeasuredLatency(addr);
if (latency > 0 && latency < best_latency)
{
best_addr = addr;
best_latency = latency;
}
if (!info.Contains("lat"))
{
continue;
}
latency = (double)info["lat"];
if (latency > 0 && latency < their_best_latency)
{
their_best_addr = addr;
their_best_latency = latency;
}
}
best_addr = their_best_latency < best_latency ? their_best_addr : best_addr;
return(best_addr == null?base.EvaluatePotentialOverlap(msg) : best_addr);
}
/// <summary>Return a small list of random TAs.</summary>
protected virtual List <TransportAddress> GetRemoteTAs()
{
var RemoteTAs = new List <TransportAddress>();
for (int i = 0; i < 5 && i < TakenIDs.Count; i++)
{
int rid = TakenIDs.Keys[_rand.Next(0, TakenIDs.Count)];
RemoteTAs.Add(TransportAddressFactory.CreateInstance("b.s://" + rid));
}
if (_broken != 0)
{
RemoteTAs.Add(TransportAddressFactory.CreateInstance("b.s://" + 0));
}
return(RemoteTAs);
}
protected virtual ArrayList GetRemoteTAs()
{
ArrayList RemoteTAs = new ArrayList();
for (int i = 0; i < 5 && i < TakenIDs.Count; i++)
{
int rid = (int)TakenIDs.GetByIndex(_rand.Next(0, TakenIDs.Count));
RemoteTAs.Add(TransportAddressFactory.CreateInstance("b.s://" + rid));
}
if (_broken != 0)
{
RemoteTAs.Add(TransportAddressFactory.CreateInstance("b.s://" + 0));
}
return(RemoteTAs);
}
public void CTMSerializationTest()
{
Address a = new DirectionalAddress(DirectionalAddress.Direction.Left);
TransportAddress ta = TransportAddressFactory.CreateInstance("brunet.tcp://127.0.0.1:5000");
NodeInfo ni = NodeInfo.CreateInstance(a, ta);
RandomNumberGenerator rng = new RNGCryptoServiceProvider();
AHAddress tmp_add = new AHAddress(rng);
ConnectToMessage ctm1 = new ConnectToMessage(ConnectionType.Unstructured, ni, tmp_add.ToString());
HTRoundTrip(ctm1);
//Test multiple tas:
ArrayList tas = new ArrayList();
tas.Add(ta);
for (int i = 5001; i < 5010; i++)
{
tas.Add(TransportAddressFactory.CreateInstance("brunet.tcp://127.0.0.1:" + i.ToString()));
}
NodeInfo ni2 = NodeInfo.CreateInstance(a, tas);
ConnectToMessage ctm2 = new ConnectToMessage(ConnectionType.Structured, ni2, tmp_add.ToString());
HTRoundTrip(ctm2);
//Here is a ConnectTo message with a neighbor list:
NodeInfo[] neighs = new NodeInfo[5];
for (int i = 0; i < 5; i++)
{
string ta_tmp = "brunet.tcp://127.0.0.1:" + (i + 80).ToString();
NodeInfo tmp =
NodeInfo.CreateInstance(new DirectionalAddress(DirectionalAddress.Direction.Left),
TransportAddressFactory.CreateInstance(ta_tmp)
);
neighs[i] = tmp;
}
ConnectToMessage ctm3 = new ConnectToMessage("structured", ni, neighs, tmp_add.ToString());
HTRoundTrip(ctm3);
#if false
Console.Error.WriteLine(ctm3.ToString());
foreach (NodeInfo tni in ctm3a.Neighbors)
{
Console.Error.WriteLine(tni.ToString());
}
#endif
}
public void LMSerializationTest()
{
NodeInfo n1 = NodeInfo.CreateInstance(null, TransportAddressFactory.CreateInstance("brunet.tcp://127.0.0.1:45"));
RandomNumberGenerator rng = new RNGCryptoServiceProvider();
AHAddress tmp_add = new AHAddress(rng);
LinkMessage l1 = new LinkMessage(ConnectionType.Structured, n1,
NodeInfo.CreateInstance(new DirectionalAddress(DirectionalAddress.Direction.Left),
TransportAddressFactory.CreateInstance("brunet.tcp://127.0.0.1:837")), tmp_add.ToString());
RoundTripHT(l1);
StringDictionary attrs = new StringDictionary();
attrs["realm"] = "test_realm";
attrs["type"] = "structured.near";
LinkMessage l3 = new LinkMessage(attrs, n1, n1, tmp_add.ToString());
RoundTripHT(l3);
}
public void Test()
{
TransportAddress ta =
TransportAddressFactory.CreateInstance("brunet.tcp://169.0.5.1:5000");
FakeEdge fe = new FakeEdge(ta, ta);
var rng = new System.Security.Cryptography.RNGCryptoServiceProvider();
var cons = new List <Connection>();
for (int i = 0; i < 50; i++)
{
var addr = new AHAddress(rng);
cons.Add(new Connection(fe, addr, "structured", null, null));
}
var start_addr = new AHAddress(rng);
IComparer <Connection> distance_comparer =
new BroadcastSender.AbsoluteDistanceComparer(start_addr);
cons.Sort(distance_comparer);
BigInteger current_distance = new BigInteger(0);
foreach (Connection con in cons)
{
AHAddress addr = con.Address as AHAddress;
BigInteger next_distance = start_addr.DistanceTo(addr).abs();
Assert.IsTrue(current_distance < next_distance, "DistanceComparer");
current_distance = next_distance;
}
IComparer <Connection> address_comparer =
new BroadcastSender.LeftDistanceComparer(start_addr);
cons.Sort(address_comparer);
current_distance = new BigInteger(0);
foreach (Connection con in cons)
{
AHAddress addr = con.Address as AHAddress;
BigInteger next_distance = start_addr.LeftDistanceTo(addr).abs();
Assert.IsTrue(current_distance < next_distance, "AddressComparer");
current_distance = next_distance;
}
}
protected void HandleGetInformation(Object o, EventArgs ea)
{
Channel queue = (Channel)o;
Hashtable ht = null;
try {
RpcResult rpc_reply = (RpcResult)queue.Dequeue();
ht = (Hashtable)rpc_reply.Result;
}
catch {
// Remote end point doesn't have LocalCO enabled.
return;
}
try {
string remote_realm = (string)ht["namespace"];
if (!remote_realm.Equals(_node.Realm))
{
return;
}
ArrayList string_tas = (ArrayList)ht["tas"];
ArrayList remote_tas = new ArrayList();
foreach (string ta in string_tas)
{
remote_tas.Add(TransportAddressFactory.CreateInstance(ta));
}
_node.UpdateRemoteTAs(remote_tas);
AHAddress new_address = (AHAddress)AddressParser.Parse((string)ht["address"]);
lock (_sync) {
int pos = _local_addresses.BinarySearch(new_address, addr_compare);
if (pos < 0)
{
pos = ~pos;
_local_addresses.Insert(pos, new_address);
}
}
}
catch (Exception e) {
ProtocolLog.WriteIf(ProtocolLog.Exceptions, "Unexpected exception: " + e);
}
}
public void Test()
{
SimulationTransportAddress.Enable();
SimulationTransportAddressOther.Enable();
var ta = TransportAddressFactory.CreateInstance("b.s://234580") as SimulationTransportAddress;
var tai = ta.Invert();
TransportAddress[] tas = new TransportAddress[2] {
tai, ta
};
var ta_oth = TransportAddressFactory.CreateInstance("b.s://234581");
var ta_oth0 = TransportAddressFactory.CreateInstance("b.s://234582");
var nat = new SymmetricNat(ta, 30000);
Assert.IsFalse(nat.Incoming(ta_oth), "No outbound yet...");
Assert.IsTrue(nat.Outgoing(ta_oth), "outbound...");
Assert.IsFalse(nat.AllowingIncomingConnections, "SymmetricNat does not allow incoming cons");
Assert.AreEqual(nat.InternalTransportAddresses, nat.KnownTransportAddresses, "ITA and KTA match");
nat.UpdateTAs(ta_oth, ta);
Assert.IsTrue(nat.Incoming(ta_oth), "Allowed incoming");
Assert.IsFalse(nat.Incoming(ta_oth0), "Port mapped systems must send out a packet first...");
Assert.IsFalse(nat.AllowingIncomingConnections, "SymmetricNat does not allow incoming cons");
Assert.AreEqual(tas, nat.KnownTransportAddresses, "Two TAs!");
Assert.IsTrue(nat.Outgoing(ta_oth0), "outbound...");
Brunet.Util.SimpleTimer.RunSteps(7500);
Assert.IsTrue(nat.Incoming(ta_oth0), "Allowed incoming 0");
Brunet.Util.SimpleTimer.RunSteps(7500);
Assert.IsTrue(nat.Incoming(ta_oth0), "Allowed incoming 0");
Brunet.Util.SimpleTimer.RunSteps(7500);
Assert.IsTrue(nat.Incoming(ta_oth0), "Allowed incoming 0");
Brunet.Util.SimpleTimer.RunSteps(7500);
Assert.IsTrue(nat.Incoming(ta_oth0), "Allowed incoming 0");
Assert.IsFalse(nat.AllowingIncomingConnections, "SymmetricNat does not allow incoming cons");
Assert.AreEqual(tas, nat.KnownTransportAddresses, "Two TAs!");
Brunet.Util.SimpleTimer.RunSteps(60000);
Assert.IsFalse(nat.AllowingIncomingConnections, "SymmetricNat does not allow incoming cons");
Assert.IsFalse(nat.Incoming(ta_oth), "Incoming: Timed out....");
}
public void Test()
{
SimulationTransportAddress.Enable();
SimulationTransportAddressOther.Enable();
var ta = TransportAddressFactory.CreateInstance("b.s://234580") as SimulationTransportAddress;
var tai = ta.Invert();
TransportAddress[] tas = new TransportAddress[2] {
tai, ta
};
var ta_oth = TransportAddressFactory.CreateInstance("b.s://234581");
var ta_oth0 = TransportAddressFactory.CreateInstance("b.s://234582");
ConeNat nat = new ConeNat(ta, 30000);
Assert.IsFalse(nat.Incoming(ta_oth), "No outbound yet...");
Assert.IsTrue(nat.Outgoing(ta_oth), "outbound...");
Assert.IsFalse(nat.AllowingIncomingConnections, "Have not received external ta.");
Assert.AreEqual(nat.InternalTransportAddresses, nat.KnownTransportAddresses, "ITA and KTA match");
nat.UpdateTAs(ta_oth, ta);
Assert.IsTrue(nat.Incoming(ta_oth), "Allowed incoming");
Assert.IsTrue(nat.Incoming(ta_oth0), "Allowed incoming 0");
Assert.IsTrue(nat.AllowingIncomingConnections, "Have received external ta.");
Assert.AreEqual(tas, nat.KnownTransportAddresses, "Two TAs!");
Brunet.Util.SimpleTimer.RunSteps(7500);
Assert.IsTrue(nat.Incoming(ta_oth0), "Allowed incoming 0");
Brunet.Util.SimpleTimer.RunSteps(7500);
Assert.IsTrue(nat.Incoming(ta_oth0), "Allowed incoming 0");
Brunet.Util.SimpleTimer.RunSteps(7500);
Assert.IsTrue(nat.Incoming(ta_oth0), "Allowed incoming 0");
Brunet.Util.SimpleTimer.RunSteps(7500);
Assert.IsTrue(nat.Incoming(ta_oth0), "Allowed incoming 0");
Assert.IsTrue(nat.AllowingIncomingConnections, "Have received external ta.");
Assert.AreEqual(tas, nat.KnownTransportAddresses, "Two TAs!");
Brunet.Util.SimpleTimer.RunSteps(60000);
Assert.IsFalse(nat.AllowingIncomingConnections, "AllowIC: Timed out...");
Assert.IsFalse(nat.Incoming(ta_oth), "Incoming: Timed out....");
}
/// <summary>Returns the oldest 4 addresses in the overlap.</summary>
public virtual List <Connection> EvaluateOverlap(ConnectionList cons, IDictionary msg)
{
List <Connection> overlap = new List <Connection>();
foreach (DictionaryEntry de in msg)
{
MemBlock key = de.Key as MemBlock;
if (key == null)
{
key = MemBlock.Reference((byte[])de.Key);
}
Address addr = new AHAddress(key);
int index = cons.IndexOf(addr);
if (index < 0)
{
continue;
}
Connection con = cons[index];
// Since there are no guarantees about routing over two tunnels, we do
// not consider cases where we are connected to the overlapping tunnels
// peers via tunnels
if (con.Edge.TAType.Equals(TransportAddress.TAType.Tunnel))
{
Hashtable values = de.Value as Hashtable;
TransportAddress.TAType tatype =
TransportAddressFactory.StringToType(values["ta"] as string);
if (tatype.Equals(TransportAddress.TAType.Tunnel))
{
continue;
}
}
overlap.Add(con);
}
return(GetOldest(overlap));
}
public void Test()
{
ITunnelOverlap _ito = new SimpleTunnelOverlap();
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!");
}
static void Main(string[] args)
{
RandomNumberGenerator rng = new RNGCryptoServiceProvider();
//Initialize hosts
Console.WriteLine("\n\n---------------------------------------\n\n");
int port = 20287;
int net_size = 3;
string net_type = "function";
if (args.Length > 0)
{
net_size = Int32.Parse(args[0]);
}
if (args.Length > 1)
{
net_type = args[1];
}
int ms_sleep = 0;
if (args.Length > 2)
{
ms_sleep = Int32.Parse(args[2]);
}
bool wait_after_connect = true;
if (args.Length > 3)
{
///@todo we really need better option parsing here
wait_after_connect = false;
}
ArrayList node_list = new ArrayList();
Hashtable add_to_node = new Hashtable();
PathELManager pem = null;
for (int loop = 0; loop < net_size; loop++)
{
//create and initialize new host
//create one new node for each host
AHAddress tmp_add = new AHAddress(rng);
Node tmp_node = new StructuredNode(tmp_add, "bstland");
//Node tmp_node = new HybridNode(tmp_add, "bstland");
node_list.Add(tmp_node);
add_to_node[tmp_add] = tmp_node;
//long small_add = 2*(loop+1);
//Node tmp_node = new StructuredNode(new AHAddress( new BigInteger(small_add)) );
PType path_p = PType.Protocol.Pathing;
switch (net_type)
{
case "tcp":
tmp_node.AddEdgeListener(new TcpEdgeListener(port + loop));
break;
case "udp":
tmp_node.AddEdgeListener(new UdpEdgeListener(port + loop));
break;
case "function":
tmp_node.AddEdgeListener(new FunctionEdgeListener(port + loop));
break;
case "path":
if (pem == null)
{
EdgeListener el = new UdpEdgeListener(port);
pem = new PathELManager(el);
pem.Start();
}
//Pass path messages to the pem:
tmp_node.DemuxHandler.GetTypeSource(path_p).Subscribe(pem, path_p);
tmp_node.AddEdgeListener(pem.CreatePath((port + loop).ToString()));
Console.WriteLine(port + loop);
break;
case "single_path":
EdgeListener myel = new UdpEdgeListener(port + loop);
//Test "default" path edge listener:
pem = new PathELManager(myel);
pem.Start();
tmp_node.DemuxHandler.GetTypeSource(path_p).Subscribe(pem, path_p);
//Make the default path:
tmp_node.AddEdgeListener(pem.CreateRootPath());
break;
default:
throw new Exception("Unknown net type: " + net_type);
}
//tmp_node.AddEdgeListener(new FunctionEdgeListener(port+loop));
for (int loop2 = 0; loop2 < net_size; loop2++)
{
if (loop == loop2)
{
continue;
}
int other_port = port + loop2;
string ta_str = null;
switch (net_type)
{
case "tcp":
ta_str = "brunet.tcp://127.0.0.1:";
break;
case "udp":
ta_str = "brunet.udp://127.0.0.1:";
break;
case "function":
ta_str = "brunet.function://localhost:";
break;
case "path":
ta_str = String.Format("brunet.udp://127.0.0.1:{0}/", port);
break;
case "single_path":
ta_str = "brunet.udp://127.0.0.1:";
break;
default:
throw new Exception("Unknown net type: " + net_type);
}
ta_str = ta_str + other_port.ToString();
TransportAddress this_ta = TransportAddressFactory.CreateInstance(ta_str);
tmp_node.RemoteTAs.Add(this_ta);
}
}
//This logs the changes in connection table
BootStrapTester bst = new BootStrapTester(node_list);
if (bst != null)
{
//This is just here to prevent a warning for
//not using bst, which is just an observer
}
//Get Connected:
int total_started = 0;
ArrayList rnd_list = (ArrayList)node_list.Clone();
Random rnd = new Random();
for (int j = 0; j < rnd_list.Count; j++)
{
//Swap the j^th position with this position:
int i = rnd.Next(j, rnd_list.Count);
if (i != j)
{
object o = rnd_list[i];
rnd_list[i] = rnd_list[j];
rnd_list[j] = o;
}
}
ArrayList c_threads = new ArrayList();
//var xrms = new Brunet.Rpc.XmlRpcManagerServer(20000);
int cnt = 0;
foreach (Node item in rnd_list)
{
Thread t = new Thread(item.Connect);
c_threads.Add(t);
t.Start();
//xrms.Add(item, "xm" + cnt++ + ".rem");
Console.WriteLine(item.Address.ToString()
+ " RemoteTAs count: " + item.RemoteTAs.Count);
total_started++;
Console.WriteLine("Started: " + total_started.ToString());
//Thread.Sleep(10000);
Thread.Sleep(ms_sleep);
//Console.ReadLine();
//foreach (TransportAddress item2 in item.RemoteTAs)
// Console.WriteLine(item2);
}
System.Console.Out.WriteLine("Finished with BootStrapTester.Main");
string[] this_command = new string[] { "Q" };
if (wait_after_connect)
{
Console.WriteLine("Enter Q to stop");
this_command = Console.ReadLine().Split(' ');
}
while (this_command[0] != "Q")
{
if (this_command[0] == "D")
{
//Disconnect a node:
int node = -1;
try {
node = Int32.Parse(this_command[1]);
Node to_disconnect = (Node)node_list[node];
Console.WriteLine("About to Disconnect: {0}", to_disconnect.Address);
to_disconnect.Disconnect();
bst.Remove(to_disconnect);
}
catch (Exception) {
}
}
if (this_command[0] == "abort")
{
//Disconnect a node:
int node = -1;
try {
node = Int32.Parse(this_command[1]);
Node to_abort = (Node)node_list[node];
Console.WriteLine("About to Abort: {0}", to_abort.Address);
to_abort.Abort();
bst.Remove(to_abort);
}
catch (Exception) {
}
}
if (this_command[0] == "P")
{
//Pick a random pair of nodes to ping:
Ping(node_list);
}
if (this_command[0] == "BP")
{
try {
int reps = Int32.Parse(this_command[1]);
bst.BenchmarkPing(reps);
}
catch (Exception x) {
Console.WriteLine(x);
}
}
if (this_command[0] == "BH")
{
try {
int reps = Int32.Parse(this_command[1]);
bst.BenchmarkHops(reps);
}
catch (Exception x) {
Console.WriteLine(x);
}
}
if (this_command[0] == "T")
{
//Pick a random pair of nodes to ping:
TraceRoute(node_list);
}
if (wait_after_connect)
{
this_command = Console.ReadLine().Split(' ');
}
}
foreach (Node n in node_list)
{
n.Disconnect();
}
if (pem != null)
{
pem.Stop();
}
//Block until all Connect threads finish.
//foreach(Thread t in c_threads) {
// t.Join();
//}
}
public static void Main(string [] args)
{
if (args.Length < 1)
{
Console.WriteLine("please specify the number edge protocol.");
Environment.Exit(0);
}
if (args.Length < 2)
{
Console.WriteLine("please specify the number of p2p nodes.");
Environment.Exit(0);
}
if (args.Length < 3)
{
Console.WriteLine("please specify the number of missing edges.");
Environment.Exit(0);
}
string proto = "function";
try {
proto = args[0].Trim();
} catch (Exception) {}
bool tunnel = false;
int base_port = 54000;
int network_size = Int32.Parse(args[1]);
int missing_count = Int32.Parse(args[2]);
try {
tunnel = args[3].Trim().Equals("tunnel");
} catch (Exception) {}
Console.WriteLine("use tunnel edges: {0}", tunnel);
Random rand = new Random();
ArrayList missing_edges = new ArrayList();
for (int i = 0; i < missing_count; i++)
{
int idx = -1;
int left, right;
do
{
idx = rand.Next(0, network_size);
left = (idx + 1) % network_size;
if (idx == 0)
{
right = network_size - 1;
}
else
{
right = idx - 1;
}
} while (missing_edges.Contains(idx));// ||
//missing_edges.Contains(left) ||
//missing_edges.Contains(right));
Console.WriteLine("Will drop a left edge on idx {0}: ", idx);
missing_edges.Add(idx);
}
//
// Sort missing edges.
//
missing_edges.Sort();
SortedList dist = new SortedList();
//
// Compute the average distance between missing edges.
//
if (missing_count > 1)
{
for (int i = 0; i < missing_count; i++)
{
int idx = (int)missing_edges[i];
int idx_next;
int d;
if (i == missing_count - 1)
{
idx_next = (int)missing_edges[0];
d = (network_size - 1) - idx + idx_next;
}
else
{
idx_next = (int)missing_edges[i + 1];
d = idx_next - idx - 1;
}
if (!dist.Contains(d))
{
dist[d] = 0;
}
else
{
int c = (int)dist[d];
dist[d] = c + 1;
}
}
}
double sum = 0.0;
int num = 0;
Console.WriteLine("distribution of missing edges separation");
foreach (DictionaryEntry de in dist)
{
int k = (int)de.Key;
int c = (int)de.Value;
Console.WriteLine("{0} {1}", k, c);
sum = sum + k * c;
num = num + c;
}
Console.WriteLine("average separation: {0}", (double)sum / num);
string brunet_namespace = "testing";
Console.WriteLine("Initializing...");
var RemoteTA = new List <TransportAddress>();
for (int i = 0; i < network_size; i++)
{
if (proto.Equals("udp"))
{
RemoteTA.Add(TransportAddressFactory.CreateInstance("brunet.udp://localhost:" + (base_port + i)));
}
else if (proto.Equals("function"))
{
RemoteTA.Add(TransportAddressFactory.CreateInstance("brunet.function://localhost:" + (base_port + i)));
}
}
for (int i = 0; i < network_size; i++)
{
AHAddress address = new AHAddress(new RNGCryptoServiceProvider());
Node node = new StructuredNode(address, brunet_namespace);
_sorted_node_list.Add((Address)address, node);
_node_list.Add(node);
RouteTestHandler test_handler = new RouteTestHandler();
node.GetTypeSource(new PType(routing_test)).Subscribe(test_handler, address.ToMemBlock());
RpcManager rpc_man = node.Rpc;
rpc_man.AddHandler("rpc_routing_test", new RpcRoutingTestHandler(node));
}
for (int i = 0; i < network_size; i++)
{
Node node = (Node)_sorted_node_list.GetByIndex(i);
Console.WriteLine("Configuring node: {0} ", node.Address);
TAAuthorizer ta_auth = null;
if (missing_edges.Contains(i))
{
int remote_port;
if (i == network_size - 1)
{
remote_port = base_port;
}
else
{
remote_port = base_port + i + 1;
}
PortTAAuthorizer port_auth = new PortTAAuthorizer(remote_port);
Console.WriteLine("Adding a port TA authorizer at: {0} for remote port: {1}", base_port + i, remote_port);
ArrayList arr_tas = new ArrayList();
arr_tas.Add(port_auth);
arr_tas.Add(new ConstantAuthorizer(TAAuthorizer.Decision.Allow));
ta_auth = new SeriesTAAuthorizer(arr_tas);
}
if (proto.Equals("udp"))
{
node.AddEdgeListener(new UdpEdgeListener(base_port + i, null, ta_auth));
}
else if (proto.Equals("function"))
{
node.AddEdgeListener(new FunctionEdgeListener(base_port + i, -1.00, ta_auth));
}
if (tunnel)
{
Console.WriteLine("Adding a tunnel edge listener");
node.AddEdgeListener(new Relay.RelayEdgeListener(node));
}
_node_to_port[node] = base_port + i;
node.RemoteTAs = RemoteTA;
}
//start nodes one by one.
for (int i = 0; i < network_size; i++)
{
Node node = (Node)_node_list[i];
Console.WriteLine("Starting node: {0}, {1}", i, node.Address);
node.Connect();
Console.WriteLine("Going to sleep for 2 seconds.");
System.Threading.Thread.Sleep(2000);
}
//wait for 300000 more seconds
Console.WriteLine("Going to sleep for 300000 seconds.");
System.Threading.Thread.Sleep(300000);
bool complete = CheckStatus();
int count = 0;
//
// Send a large number of packets as exact packets to random destinations
// and make sure exact routing is perfect.
//
for (int i = 0; i < network_size; i++)
{
for (int j = 0; j < network_size; j++)
{
int src_idx = i;
int dest_idx = j;
Node src_node = (Node)_sorted_node_list.GetByIndex(src_idx);
Node dest_node = (Node)_sorted_node_list.GetByIndex(dest_idx);
//Console.WriteLine("{0} -> {1}", src_idx, dest_idx);
Address dest_address = (Address)dest_node.Address;
ISender s = new AHExactSender(src_node, dest_address);
MemBlock p = dest_address.ToMemBlock();
s.Send(new CopyList(new PType(routing_test), p));
_sent++;
//System.Threading.Thread.Sleep(10);
s.Send(new CopyList(new PType(routing_test), p));
_sent++;
//System.Threading.Thread.Sleep(10);
}
}
//wait for 10 more seconds
Console.WriteLine("Going to sleep for 10 seconds.");
System.Threading.Thread.Sleep(10000);
Console.WriteLine("Final statistics");
lock (_class_lock) {
Console.WriteLine("Sent: {0}, Received: {1}, Wrongly routed: {2}",
_sent, _received, _wrongly_routed);
}
int missing_rpcs = 0;
int correct_rpcs = 0;
int incorrect_rpcs = 0;
Hashtable queue_to_address = new Hashtable();
for (int i = 0; i < network_size; i++)
{
for (int j = 0; j < network_size; j++)
{
int src_idx = i;
int dest_idx = j;
Node src_node = (Node)_sorted_node_list.GetByIndex(src_idx);
Node dest_node = (Node)_sorted_node_list.GetByIndex(dest_idx);
//Console.WriteLine("{0} -> {1}", src_idx, dest_idx);
Address dest_address = (Address)dest_node.Address;
ISender s = new AHExactSender(src_node, dest_address);
RpcManager rpc_man = src_node.Rpc;
Channel q = new Channel();
lock (_class_lock) {
queue_to_address[q] = dest_address;
}
q.CloseAfterEnqueue();
q.CloseEvent += delegate(object o, EventArgs cargs) {
lock (_class_lock) {
Channel qu = (Channel)o;
if (qu.Count == 0)
{
missing_rpcs++;
}
queue_to_address.Remove(qu);
}
};
q.EnqueueEvent += delegate(object o, EventArgs cargs) {
lock (_class_lock) {
Channel qu = (Channel)o;
RpcResult rpc_reply = (RpcResult)qu.Peek();
byte [] result = (byte[])rpc_reply.Result;
Address target = new AHAddress(result);
if (target.Equals(queue_to_address[qu]))
{
correct_rpcs++;
}
else
{
incorrect_rpcs++;
}
}
};
rpc_man.Invoke(s, q, "rpc_routing_test.GetIdentification", new object[] {});
}
}
//wait for 10 more seconds
while (true)
{
int c = -1;
lock (_class_lock) {
c = incorrect_rpcs + missing_rpcs + correct_rpcs;
}
if (c < network_size * network_size)
{
Console.WriteLine("Going to sleep for 10 seconds.");
System.Threading.Thread.Sleep(10000);
}
else
{
break;
}
}
Console.WriteLine("Final statistics");
Console.WriteLine("correct rpcs: {0}, incorrect rpcs: {1}, missing rpcs: {2}",
correct_rpcs, incorrect_rpcs, missing_rpcs);
System.Environment.Exit(1);
}