public async Task ProcessFindNodeMessage_NoOtherPeers()
{
var swarm = new SwarmService {
LocalPeer = self
};
var dht = new DhtService {
SwarmService = swarm
};
await dht.StartAsync();
try
{
var request = new DhtMessage
{
Type = MessageType.FindNode,
Key = new MultiHash("QmdpwjdB94eNm2Lcvp9JqoCxswo3AKQqjLuNZyLixmCM1h").ToArray()
};
var response = dht.ProcessFindNode(request, new DhtMessage());
Assert.AreEqual(0, response.CloserPeers.Length);
}
finally
{
await dht.StopAsync();
}
}
public async Task ProcessFindNodeMessage_BadNodeId()
{
var swarm = new SwarmService {
LocalPeer = self
};
swarm.RegisterPeerAddress("/ip4/127.0.0.1/tcp/4001/ipfs/QmdpwjdB94eNm2Lcvp9JqoCxswo3AKQqjLuNZyLixmCM1a");
swarm.RegisterPeerAddress("/ip4/127.0.0.2/tcp/4001/ipfs/QmdpwjdB94eNm2Lcvp9JqoCxswo3AKQqjLuNZyLixmCM1b");
swarm.RegisterPeerAddress("/ip4/127.0.0.3/tcp/4001/ipfs/QmdpwjdB94eNm2Lcvp9JqoCxswo3AKQqjLuNZyLixmCM1c");
swarm.RegisterPeerAddress("/ip4/127.0.0.4/tcp/4001/ipfs/QmdpwjdB94eNm2Lcvp9JqoCxswo3AKQqjLuNZyLixmCM1d");
swarm.RegisterPeerAddress("/ip4/127.0.0.5/tcp/4001/ipfs/QmdpwjdB94eNm2Lcvp9JqoCxswo3AKQqjLuNZyLixmCM1e");
var dht = new DhtService {
SwarmService = swarm, CloserPeerCount = 3
};
await dht.StartAsync();
try
{
dht.RoutingTable.Add(other);
var request = new DhtMessage
{
Type = MessageType.FindNode,
Key = new byte[] { 0xFF, 1, 2, 3 }
};
var response = dht.ProcessFindNode(request, new DhtMessage());
Assert.AreEqual(3, response.CloserPeers.Length);
}
finally
{
await dht.StopAsync();
}
}
public async Task ProcessFindNodeMessage_InRoutingTable()
{
var swarm = new SwarmService {
LocalPeer = self
};
var dht = new DhtService {
SwarmService = swarm
};
await dht.StartAsync();
try
{
dht.RoutingTable.Add(other);
var request = new DhtMessage
{
Type = MessageType.FindNode,
Key = other.Id.ToArray()
};
var response = dht.ProcessFindNode(request, new DhtMessage());
Assert.AreEqual(1, response.CloserPeers.Length);
var ok = response.CloserPeers[0].TryToPeer(out var found);
Assert.IsTrue(ok);
Assert.AreEqual(other, found);
CollectionAssert.AreEqual(other.Addresses.ToArray(),
found.Addresses.Select(a => a.WithoutPeerId()).ToArray());
}
finally
{
await dht.StopAsync();
}
}
public async Task ProcessFindNodeMessage_InSwarm()
{
var swarmA = new SwarmService {
LocalPeer = self
};
var swarmB = swarmA.RegisterPeerAddress(
"/ip4/127.0.0.1/tcp/4001/ipfs/QmdpwjdB94eNm2Lcvp9JqoCxswo3AKQqjLuNZyLixmCM1h");
var dht = new DhtService {
SwarmService = swarmA
};
await dht.StartAsync();
try
{
dht.RoutingTable.Add(swarmB);
var request = new DhtMessage
{
Type = MessageType.FindNode,
Key = swarmB.Id.ToArray()
};
var response = dht.ProcessFindNode(request, new DhtMessage());
Assert.AreEqual(1, response.CloserPeers.Length);
var ok = response.CloserPeers[0].TryToPeer(out var found);
Assert.IsTrue(ok);
Assert.AreEqual(swarmB, found);
CollectionAssert.AreEqual(
swarmB.Addresses.Select(a => a.WithoutPeerId()).ToArray(),
found.Addresses.Select(a => a.WithoutPeerId()).ToArray());
}
finally
{
await dht.StopAsync();
}
}
public async Task ProcessFindNodeMessage_Self()
{
var swarm = new SwarmService {
LocalPeer = self
};
var dht = new DhtService {
SwarmService = swarm
};
await dht.StartAsync();
try
{
var request = new DhtMessage
{
Type = MessageType.FindNode,
Key = self.Id.ToArray()
};
var response = dht.ProcessFindNode(request, new DhtMessage());
Assert.AreEqual(1, response.CloserPeers.Length);
var ok = response.CloserPeers[0].TryToPeer(out var found);
Assert.IsTrue(ok);
Assert.AreEqual(self, found);
}
finally
{
await dht.StopAsync();
}
}
