/// <summary>
/// Shuts down everything.
/// </summary>
/// <returns>The task for when the shutdown is completed.</returns>
public Task ShutdownAsync()
{
// prevent shutdown from being called twice
if (!_shutdown)
{
_shutdown = true;
// TODO lock not needed with .NET BlockingCollection class?
IList <IShutdown> copy = _shutdownListeners.ToList();
IList <Task> tasks = new List <Task>(_shutdownListeners.Count + 1);
foreach (var shutdown in copy)
{
tasks.Add(shutdown.ShutdownAsync());
RemoveShutdownListener(shutdown);
}
tasks.Add(PeerCreator.ShutdownAsync());
return(Task.WhenAll(tasks));
}
var tcs = new TaskCompletionSource <object>();
tcs.SetException(new TaskFailedException("Already shutting / shut down."));
return(tcs.Task);
}
/// <summary>
/// Creates a peer. Please use <see cref="PeerBuilder"/> to create a <see cref="Peer"/> instance.
/// </summary>
/// <param name="p2PId">The P2P ID.</param>
/// <param name="peerId">The ID of the peer.</param>
/// <param name="peerCreator">The peer creator that holds the peer bean and the connection bean.</param>
internal Peer(int p2PId, Number160 peerId, PeerCreator peerCreator)
{
P2PId = p2PId;
PeerId = peerId;
PeerCreator = peerCreator;
}
/// <summary>
/// Creates a peer. Please use <see cref="PeerBuilder"/> to create a <see cref="Peer"/> instance.
/// </summary>
/// <param name="p2PId">The P2P ID.</param>
/// <param name="peerId">The ID of the peer.</param>
/// <param name="peerCreator">The peer creator that holds the peer bean and the connection bean.</param>
internal Peer(int p2PId, Number160 peerId, PeerCreator peerCreator)
{
P2PId = p2PId;
PeerId = peerId;
PeerCreator = peerCreator;
}
/// <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;
}
/// <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);
}
