public async Task Provide()
{
Cid cid = "zBunRGrmCGokA1oMESGGTfrtcMFsVA8aEtcNzM54akPWXF97uXCqTjF3GZ9v8YzxHrG66J8QhtPFWwZebRZ2zeUEELu67";
var swarm = new Swarm {
LocalPeer = self
};
var dht = new Dht1 {
Swarm = swarm
};
await dht.StartAsync();
try
{
await swarm.StartAsync();
await swarm.StartListeningAsync("/ip4/127.0.0.1/tcp/0");
await dht.ProvideAsync(cid, advertise : true);
var peers = (await dht.FindProvidersAsync(cid, limit: 1)).ToArray();
Assert.AreEqual(1, peers.Length);
Assert.AreEqual(self, peers[0]);
}
finally
{
await dht.StopAsync();
await swarm.StopAsync();
}
}
public async Task ProcessFindNodeMessage_Self()
{
var swarm = new Swarm {
LocalPeer = self
};
var dht = new Dht1 {
Swarm = 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 Peer found);
Assert.IsTrue(ok);
Assert.AreEqual(self, found);
}
finally
{
await dht.StopAsync();
}
}
public async Task FindPeer_Closest()
{
var unknownPeer = new MultiHash("QmdpwjdB94eNm2Lcvp9JqoCxswo3AKQqjLuNZyLixmCxxx");
var swarm = new Swarm {
LocalPeer = self
};
await swarm.StartAsync();
var dht = new Dht1 {
Swarm = swarm
};
await dht.StartAsync();
dht.RoutingTable.Add(other);
try
{
var peer = await dht.FindPeerAsync(unknownPeer);
Assert.AreEqual(other, peer);
}
finally
{
await swarm.StopAsync();
await dht.StopAsync();
}
}
public async Task ProcessFindNodeMessage_NoOtherPeers()
{
var swarm = new Swarm {
LocalPeer = self
};
var dht = new Dht1 {
Swarm = 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 ProcessGetProvidersMessage_HasProvider()
{
var swarm = new Swarm {
LocalPeer = self
};
var dht = new Dht1 {
Swarm = swarm
};
await dht.StartAsync();
try
{
swarm.RegisterPeer(other);
Cid cid = "zBunRGrmCGokA1oMESGGTfrtcMFsVA8aEtcNzM54akPWXF97uXCqTjF3GZ9v8YzxHrG66J8QhtPFWwZebRZ2zeUEELu67";
dht.ContentRouter.Add(cid, other.Id);
var request = new DhtMessage
{
Type = MessageType.GetProviders,
Key = cid.Hash.ToArray()
};
var response = dht.ProcessGetProviders(request, new DhtMessage());
Assert.AreEqual(1, response.ProviderPeers.Length);
response.ProviderPeers[0].TryToPeer(out Peer found);
Assert.AreEqual(other, found);
Assert.AreNotEqual(0, found.Addresses.Count());
}
finally
{
await dht.StopAsync();
}
}
public async Task ProcessGetProvidersMessage_HasCloserPeers()
{
var swarm = new Swarm {
LocalPeer = self
};
var dht = new Dht1 {
Swarm = swarm
};
await dht.StartAsync();
try
{
dht.RoutingTable.Add(other);
Cid cid = "zBunRGrmCGokA1oMESGGTfrtcMFsVA8aEtcNzM54akPWXF97uXCqTjF3GZ9v8YzxHrG66J8QhtPFWwZebRZ2zeUEELu67";
var request = new DhtMessage
{
Type = MessageType.GetProviders,
Key = cid.Hash.ToArray()
};
var response = dht.ProcessGetProviders(request, new DhtMessage());
Assert.AreNotEqual(0, response.CloserPeers.Length);
}
finally
{
await dht.StopAsync();
}
}
public async Task ProcessFindNodeMessage_InSwarm()
{
var swarm = new Swarm {
LocalPeer = self
};
var other = await swarm.RegisterPeerAsync("/ip4/127.0.0.1/tcp/4001/ipfs/QmdpwjdB94eNm2Lcvp9JqoCxswo3AKQqjLuNZyLixmCM1h");
var dht = new Dht1 {
Swarm = 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 Peer found);
Assert.IsTrue(ok);
Assert.AreEqual(other, found);
CollectionAssert.AreEqual(
other.Addresses.Select(a => a.WithoutPeerId()).ToArray(),
found.Addresses.Select(a => a.WithoutPeerId()).ToArray());
}
finally
{
await dht.StopAsync();
}
}
public async Task ProcessFindNodeMessage_InRoutingTable()
{
var swarm = new Swarm {
LocalPeer = self
};
var dht = new Dht1 {
Swarm = 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 Peer 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_BadNodeId()
{
var swarm = new Swarm {
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 Dht1 {
Swarm = 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 StoppedEventRaised()
{
var swarm = new Swarm {
LocalPeer = self
};
var dht = new Dht1 {
Swarm = swarm
};
bool stopped = false;
dht.Stopped += (s, e) => { stopped = true; };
await dht.StartAsync();
await dht.StopAsync();
Assert.IsTrue(stopped);
}
public async Task QueryIsCancelled_WhenDhtStops()
{
var unknownPeer = new MultiHash("QmdpwjdB94eNm2Lcvp9JqoCxswo3AKQqjLuNZyLixmCxxx");
var swarm = new Swarm {
LocalPeer = self
};
swarm.RegisterPeerAddress("/ip4/178.62.158.247/tcp/4001/ipfs/QmSoLer265NRgSp2LA3dPaeykiS1J6DifTC88f5uVQKNAd");
swarm.RegisterPeerAddress("/ip4/104.236.76.40/tcp/4001/ipfs/QmSoLV4Bbm51jM9C4gDYZQ9Cy3U6aXMJDAbzgu2fzaDs64");
var dht = new Dht1 {
Swarm = swarm
};
await dht.StartAsync();
var task = dht.FindPeerAsync(unknownPeer);
await Task.Delay(400);
await dht.StopAsync();
}
public async Task AddDiscoveredPeerToRoutingTable()
{
var swarm = new Swarm {
LocalPeer = self
};
var dht = new Dht1 {
Swarm = swarm
};
await dht.StartAsync();
try
{
var peer = swarm.RegisterPeerAddress("/ip4/127.0.0.1/tcp/4001/ipfs/QmdpwjdB94eNm2Lcvp9JqoCxswo3AKQqjLuNZyLixmCM1h");
Assert.IsTrue(dht.RoutingTable.Contains(peer));
}
finally
{
await dht.StopAsync();
}
}
public async Task ProcessAddProviderMessage()
{
var swarm = new Swarm {
LocalPeer = self
};
var dht = new Dht1 {
Swarm = swarm
};
await dht.StartAsync();
try
{
Cid cid = "zBunRGrmCGokA1oMESGGTfrtcMFsVA8aEtcNzM54akPWXF97uXCqTjF3GZ9v8YzxHrG66J8QhtPFWwZebRZ2zeUEELu67";
var request = new DhtMessage
{
Type = MessageType.AddProvider,
Key = cid.Hash.ToArray(),
ProviderPeers = new DhtPeerMessage[]
{
new DhtPeerMessage
{
Id = other.Id.ToArray(),
Addresses = other.Addresses.Select(a => a.ToArray()).ToArray()
}
}
};
var response = dht.ProcessAddProvider(other, request, new DhtMessage());
Assert.IsNull(response);
var providers = dht.ContentRouter.Get(cid).ToArray();
Assert.AreEqual(1, providers.Length);
Assert.AreEqual(other.Id, providers[0]);
var provider = swarm.KnownPeers.Single(p => p == other);
Assert.AreNotEqual(0, provider.Addresses.Count());
}
finally
{
await dht.StopAsync();
}
}
public async Task FindPeer_NoPeers()
{
var unknownPeer = new MultiHash("QmdpwjdB94eNm2Lcvp9JqoCxswo3AKQqjLuNZyLixmCxxx");
var swarm = new Swarm {
LocalPeer = self
};
var dht = new Dht1 {
Swarm = swarm
};
await dht.StartAsync();
try
{
var peer = await dht.FindPeerAsync(unknownPeer);
Assert.IsNull(peer);
}
finally
{
await dht.StopAsync();
}
}
public async Task Add_FindProviders()
{
Cid cid = "zBunRGrmCGokA1oMESGGTfrtcMFsVA8aEtcNzM54akPWXF97uXCqTjF3GZ9v8YzxHrG66J8QhtPFWwZebRZ2zeUEELu67";
var swarm = new Swarm {
LocalPeer = self
};
var dht = new Dht1 {
Swarm = swarm
};
await dht.StartAsync();
try
{
dht.ContentRouter.Add(cid, other.Id);
var peers = (await dht.FindProvidersAsync(cid, limit: 1)).ToArray();
Assert.AreEqual(1, peers.Length);
Assert.AreEqual(other, peers[0]);
}
finally
{
await dht.StopAsync();
}
}
