public DistributedRouting(PeerBean peerBean, NeighborRpc neighbors)
{
_neighbors = neighbors;
_peerBean = peerBean;
// stable random number: no need to be truly random
_rnd = new Random(peerBean.ServerPeerAddress.PeerId.GetHashCode());
}
public async void TestNeighborFail()
{
Peer sender = null;
Peer recv1 = null;
try
{
sender = new PeerBuilder(new Number160("0x50"))
.SetMaintenanceTask(Utils2.CreateInfiniteIntervalMaintenanceTask())
.SetChannelServerConfiguration(Utils2.CreateInfiniteTimeoutChannelServerConfiguration(2424, 2424))
.SetP2PId(55)
.SetPorts(2424)
.Start();
recv1 = new PeerBuilder(new Number160("0x20"))
.SetMaintenanceTask(Utils2.CreateInfiniteIntervalMaintenanceTask())
.SetChannelServerConfiguration(Utils2.CreateInfiniteTimeoutChannelServerConfiguration(8088, 8088))
.SetP2PId(55)
.SetPorts(2424)
.Start();
var neighbors1 = new NeighborRpc(sender.PeerBean, sender.ConnectionBean);
var neighbors2 = new NeighborRpc(recv1.PeerBean, recv1.ConnectionBean);
var cc = await recv1.ConnectionBean.Reservation.CreateAsync(1, 0);
try
{
var sv = new SearchValues(new Number160("0x30"), null);
var infConfig = Utils2.CreateInfiniteConfiguration();
await
neighbors2.CloseNeighborsAsync(sender.PeerAddress, sv, Message.MessageType.Exception, cc,
infConfig);
Assert.Fail("ArgumentException should have been thrown.");
}
catch (ArgumentException)
{
cc.ShutdownAsync().Wait();
}
}
finally
{
if (sender != null)
{
sender.ShutdownAsync().Wait();
}
if (recv1 != null)
{
recv1.ShutdownAsync().Wait();
}
}
}
public async void TestNeighbor2()
{
Peer sender = null;
Peer recv1 = null;
try
{
sender = new PeerBuilder(new Number160("0x50"))
.SetMaintenanceTask(Utils2.CreateInfiniteIntervalMaintenanceTask())
.SetChannelServerConfiguration(Utils2.CreateInfiniteTimeoutChannelServerConfiguration(2424, 2424))
.SetP2PId(55)
.SetPorts(2424)
.Start();
recv1 = new PeerBuilder(new Number160("0x20"))
.SetMaintenanceTask(Utils2.CreateInfiniteIntervalMaintenanceTask())
.SetChannelServerConfiguration(Utils2.CreateInfiniteTimeoutChannelServerConfiguration(8088, 8088))
.SetP2PId(55)
.SetPorts(2424)
.Start();
var neighbors1 = new NeighborRpc(sender.PeerBean, sender.ConnectionBean);
var neighbors2 = new NeighborRpc(recv1.PeerBean, recv1.ConnectionBean);
var cc = await recv1.ConnectionBean.Reservation.CreateAsync(1, 0);
var sv = new SearchValues(new Number160("0x30"), null);
var infConfig = Utils2.CreateInfiniteConfiguration();
var tr = neighbors2.CloseNeighborsAsync(sender.PeerAddress, sv, Message.MessageType.Request2, cc,
infConfig);
await tr;
Assert.IsTrue(!tr.IsFaulted);
var addresses = tr.Result.NeighborsSet(0);
// I see noone, not even myself. My peer was added in the overflow map.
Assert.AreEqual(0, addresses.Size);
await cc.ShutdownAsync();
}
finally
{
if (sender != null)
{
sender.ShutdownAsync().Wait();
}
if (recv1 != null)
{
recv1.ShutdownAsync().Wait();
}
}
}
public Peer SetNeighborRpc(NeighborRpc neighborRpc)
{
_neighborRpc = neighborRpc;
return(this);
}
public async void TestNeighborTcp()
{
Peer sender = null;
Peer recv1 = null;
try
{
sender = new PeerBuilder(new Number160("0x50"))
.SetMaintenanceTask(Utils2.CreateInfiniteIntervalMaintenanceTask())
.SetChannelServerConfiguration(Utils2.CreateInfiniteTimeoutChannelServerConfiguration(2424, 2424))
.SetP2PId(55)
.SetPorts(2424)
.Start();
// add neighbors to the sender's peer map
var addresses = Utils2.CreateDummyAddresses(300, PortTcp, PortUdp);
for (int i = 0; i < addresses.Length; i++)
{
sender.PeerBean.PeerMap.PeerFound(addresses[i], null, null);
}
// register neighbor RPC handlers
var neighbors1 = new NeighborRpc(sender.PeerBean, sender.ConnectionBean); // TODO needed? registering?
recv1 = new PeerBuilder(new Number160("0x20"))
.SetMaintenanceTask(Utils2.CreateInfiniteIntervalMaintenanceTask())
.SetChannelServerConfiguration(Utils2.CreateInfiniteTimeoutChannelServerConfiguration(8088, 8088))
.SetP2PId(55)
.SetPorts(8088)
.Start();
var neighbors2 = new NeighborRpc(recv1.PeerBean, recv1.ConnectionBean);
// ask sender for his neighbors
var cc = await recv1.ConnectionBean.Reservation.CreateAsync(0, 1);
var sv = new SearchValues(new Number160("0x1"), null);
var infConfig = Utils2.CreateInfiniteConfiguration()
.SetIsForceTcp();
var tr = neighbors2.CloseNeighborsAsync(sender.PeerAddress, sv, Message.MessageType.Request2, cc,
infConfig);
await tr;
Assert.IsTrue(!tr.IsFaulted);
// check if receiver got the neighbors
var neighborSet = tr.Result.NeighborsSet(0);
// 33 peer addresses can be stored in 1000 bytes (NeighborsLimit)
Assert.IsTrue(neighborSet.Size == 33);
var neighbors = neighborSet.Neighbors.ToList();
Assert.AreEqual(new Number160("0x1"), neighbors[0].PeerId);
Assert.AreEqual(PortTcp, neighbors[1].TcpPort);
Assert.AreEqual(PortUdp, neighbors[2].UdpPort);
await cc.ShutdownAsync();
}
finally
{
if (sender != null)
{
sender.ShutdownAsync().Wait();
}
if (recv1 != null)
{
recv1.ShutdownAsync().Wait();
}
}
}
/// <summary>
/// Creates a peer and starts to listen for incoming connections.
/// </summary>
/// <returns>The peer that can operate in the P2P network.</returns>
public Peer Start()
{
if (_behindFirewall == null)
{
_behindFirewall = false;
}
if (ChannelServerConfiguration == null)
{
ChannelServerConfiguration = CreateDefaultChannelServerConfiguration();
ChannelServerConfiguration.SetPortsForwarding(new Ports(TcpPortForwarding, UdpPortForwarding));
if (TcpPort == -1)
{
TcpPort = Ports.DefaultPort;
}
if (UdpPort == -1)
{
UdpPort = Ports.DefaultPort;
}
ChannelServerConfiguration.SetPorts(new Ports(TcpPort, UdpPort));
ChannelServerConfiguration.SetIsBehindFirewall(_behindFirewall.Value);
}
if (ChannelClientConfiguration == null)
{
ChannelClientConfiguration = CreateDefaultChannelClientConfiguration();
}
if (KeyPair == null)
{
KeyPair = EmptyKeyPair;
}
if (P2PId == -1)
{
P2PId = 1;
}
if (InterfaceBindings == null)
{
InterfaceBindings = new Bindings();
}
ChannelServerConfiguration.SetBindingsIncoming(InterfaceBindings);
if (ExternalBindings == null)
{
ExternalBindings = new Bindings();
}
ChannelClientConfiguration.SetBindingsOutgoing(ExternalBindings);
if (PeerMap == null)
{
PeerMap = new PeerMap(new PeerMapConfiguration(PeerId));
}
if (MasterPeer == null && Timer == null)
{
Timer = new ExecutorService();
}
PeerCreator peerCreator;
if (MasterPeer != null)
{
// create slave peer
peerCreator = new PeerCreator(MasterPeer.PeerCreator, PeerId, KeyPair);
}
else
{
// create master peer
peerCreator = new PeerCreator(P2PId, PeerId, KeyPair, ChannelServerConfiguration, ChannelClientConfiguration, Timer);
}
var peer = new Peer(P2PId, PeerId, peerCreator);
var peerBean = peerCreator.PeerBean;
peerBean.AddPeerStatusListener(PeerMap);
var connectionBean = peerCreator.ConnectionBean;
peerBean.SetPeerMap(PeerMap);
peerBean.SetKeyPair(KeyPair);
if (BloomfilterFactory == null)
{
peerBean.SetBloomfilterFactory(new DefaultBloomFilterFactory());
}
if (BroadcastHandler == null)
{
BroadcastHandler = new DefaultBroadcastHandler(peer, new Random());
}
// set/enable RPC
if (IsEnabledHandshakeRpc)
{
var pingRpc = new PingRpc(peerBean, connectionBean);
peer.SetPingRpc(pingRpc);
}
if (IsEnabledQuitRpc)
{
var quitRpc = new QuitRpc(peerBean, connectionBean);
quitRpc.AddPeerStatusListener(PeerMap);
peer.SetQuitRpc(quitRpc);
}
if (IsEnabledNeighborRpc)
{
var neighborRpc = new NeighborRpc(peerBean, connectionBean);
peer.SetNeighborRpc(neighborRpc);
}
if (IsEnabledDirectDataRpc)
{
var directDataRpc = new DirectDataRpc(peerBean, connectionBean);
peer.SetDirectDataRpc(directDataRpc);
}
if (IsEnabledBroadcastRpc)
{
var broadcastRpc = new BroadcastRpc(peerBean, connectionBean, BroadcastHandler);
peer.SetBroadcastRpc(broadcastRpc);
}
if (IsEnabledRoutingRpc && IsEnabledNeighborRpc)
{
var routing = new DistributedRouting(peerBean, peer.NeighborRpc);
peer.SetDistributedRouting(routing);
}
if (MaintenanceTask == null && IsEnabledMaintenance)
{
MaintenanceTask = new MaintenanceTask();
}
if (MaintenanceTask != null)
{
MaintenanceTask.Init(peer, connectionBean.Timer);
MaintenanceTask.AddMaintainable(PeerMap);
}
peerBean.SetMaintenanceTask(MaintenanceTask);
// set the ping builder for the heart beat
connectionBean.Sender.SetPingBuilderFactory(new PingBuilderFactory(peer));
foreach (var peerInit in _toInitialize)
{
peerInit.Init(peer);
}
return(peer);
}
