public void FindValueRouteTest()
{
TcpSubnetProtocol p1 = new TcpSubnetProtocol(localIP, port, 1);
TcpSubnetProtocol p2 = new TcpSubnetProtocol(localIP, port, 2);
ID ourID = ID.RandomID;
Contact c1 = new Contact(p1, ourID);
Node n1 = new Node(c1, new VirtualStorage());
Node n2 = new Node(new Contact(p2, ID.RandomID), new VirtualStorage());
server.RegisterProtocol(p1.Subnet, n1);
server.RegisterProtocol(p2.Subnet, n2);
server.Start();
ID testID = ID.RandomID;
string testValue = "Test";
p2.Store(c1, testID, testValue);
Assert.IsTrue(n2.Storage.Contains(testID), "Expected remote peer to have value.");
Assert.IsTrue(n2.Storage.Get(testID) == testValue, "Expected remote peer to contain stored value.");
var ret = p2.FindValue(c1, testID);
Assert.IsTrue(ret.contacts == null, "Expected to find value.");
Assert.IsTrue(ret.val == testValue, "Value does not match expected value from peer.");
}
protected void InitializeDhts()
{
dhts = new List<Dht>();
dhtPos = new List<Rectangle>();
peerColor = new Dictionary<BigInteger, Color>();
NUM_DHT.ForEach((n) =>
{
#if USE_TCP_SUBNET_PROTOCOL
IProtocol protocol = new TcpSubnetProtocol("http://127.0.0.1", 2720, n);
#else
IProtocol protocol = new VirtualProtocol();
#endif
Dht dht = new Dht(ID.RandomID, protocol, () => new VirtualStorage(), new Router());
peerColor[dht.ID.Value] = Color.Green;
#if USE_TCP_SUBNET_PROTOCOL
server.RegisterProtocol(n, dht.Node);
#else
((VirtualProtocol)protocol).Node = dht.Node;
#endif
dhts.Add(dht);
dhtPos.Add(new Rectangle(XOFFSET + rnd.Next(-JITTER, JITTER) + (n % ITEMS_PER_ROW) * XSPACING, YOFFSET + rnd.Next(-JITTER, JITTER) + (n / ITEMS_PER_ROW) * YSPACING, SIZE, SIZE));
});
}
public void DhtSerializationTest()
{
TcpSubnetProtocol p1 = new TcpSubnetProtocol("http://127.0.0.1", 2720, 1);
TcpSubnetProtocol p2 = new TcpSubnetProtocol("http://127.0.0.1", 2720, 2);
VirtualStorage store1 = new VirtualStorage();
VirtualStorage store2 = new VirtualStorage();
// Ensures that all nodes are closer, because ID.Max ^ n < ID.Max when n > 0.
Dht dht = new Dht(ID.Max, p1, new Router(), store1, store1, new VirtualStorage());
ID contactID = ID.Mid; // a closer contact.
Contact otherContact = new Contact(p2, contactID);
Node otherNode = new Node(otherContact, store2);
// Add this other contact to our peer list.
dht.Node.BucketList.AddContact(otherContact);
string json = dht.Save();
Dht newDht = Dht.Load(json);
Assert.IsTrue(newDht.Node.BucketList.Buckets.Sum(b => b.Contacts.Count) == 1, "Expected our node to have 1 contact.");
Assert.IsTrue(newDht.Node.BucketList.ContactExists(otherContact), "Expected our contact to have the other contact.");
Assert.IsTrue(newDht.Router.Node == newDht.Node, "Router node not initialized.");
}
public void UnresponsiveNodeTest()
{
TcpSubnetProtocol p1 = new TcpSubnetProtocol(localIP, port, 1);
TcpSubnetProtocol p2 = new TcpSubnetProtocol(localIP, port, 2);
p2.Responds = false;
ID ourID = ID.RandomID;
Contact c1 = new Contact(p1, ourID);
Node n1 = new Node(c1, new VirtualStorage());
Node n2 = new Node(new Contact(p2, ID.RandomID), new VirtualStorage());
server.RegisterProtocol(p1.Subnet, n1);
server.RegisterProtocol(p2.Subnet, n2);
server.Start();
ID testID = ID.RandomID;
string testValue = "Test";
RestCall.RequestTimeout = 1;
RpcError error = p2.Store(c1, testID, testValue);
System.Threading.Thread.Sleep(10);
Assert.IsTrue(error.TimeoutError, "Expected timeout.");
}
public void PingRouteTest()
{
TcpSubnetProtocol p1 = new TcpSubnetProtocol(localIP, port, 1);
TcpSubnetProtocol p2 = new TcpSubnetProtocol(localIP, port, 2);
ID ourID = ID.RandomID;
Contact c1 = new Contact(p1, ourID);
Node n1 = new Node(c1, new VirtualStorage());
Node n2 = new Node(new Contact(p2, ID.RandomID), new VirtualStorage());
server.RegisterProtocol(p1.Subnet, n1);
server.RegisterProtocol(p2.Subnet, n2);
server.Start();
p2.Ping(c1);
}
public void StoreRouteTest()
{
TcpSubnetProtocol p1 = new TcpSubnetProtocol(localIP, port, 1);
TcpSubnetProtocol p2 = new TcpSubnetProtocol(localIP, port, 2);
ID ourID = ID.RandomID;
Contact c1 = new Contact(p1, ourID);
Node n1 = new Node(c1, new VirtualStorage());
Node n2 = new Node(new Contact(p2, ID.RandomID), new VirtualStorage());
server.RegisterProtocol(p1.Subnet, n1);
server.RegisterProtocol(p2.Subnet, n2);
server.Start();
Contact sender = new Contact(p1, ID.RandomID);
ID testID = ID.RandomID;
string testValue = "Test";
p2.Store(sender, testID, testValue);
Assert.IsTrue(n2.Storage.Contains(testID), "Expected remote peer to have value.");
Assert.IsTrue(n2.Storage.Get(testID) == testValue, "Expected remote peer to contain stored value.");
}
public void FindNodesRouteTest()
{
TcpSubnetProtocol p1 = new TcpSubnetProtocol(localIP, port, 1);
TcpSubnetProtocol p2 = new TcpSubnetProtocol(localIP, port, 2);
ID ourID = ID.RandomID;
Contact c1 = new Contact(p1, ourID);
Node n1 = new Node(c1, new VirtualStorage());
Node n2 = new Node(new Contact(p2, ID.RandomID), new VirtualStorage());
// Node 2 knows about another contact, that isn't us (because we're excluded.)
ID otherPeer = ID.RandomID;
n2.BucketList.Buckets[0].Contacts.Add(new Contact(new TcpSubnetProtocol(localIP, port, 3), otherPeer));
server.RegisterProtocol(p1.Subnet, n1);
server.RegisterProtocol(p2.Subnet, n2);
server.Start();
ID id = ID.RandomID;
List <Contact> ret = p2.FindNode(c1, id).contacts;
Assert.IsTrue(ret.Count == 1, "Expected 1 contact.");
Assert.IsTrue(ret[0].ID == otherPeer, "Expected contact to the other peer (not us).");
}
