/// <summary>
/// Initializes instance of a network peer server.
/// </summary>
/// <param name="network">Specification of the network the node runs on - regtest/testnet/mainnet.</param>
/// <param name="localEndPoint">IP address and port to listen on.</param>
/// <param name="externalEndPoint">IP address and port that the server is reachable from the Internet on.</param>
/// <param name="version">Version of the network protocol that the server should run.</param>
/// <param name="loggerFactory">Factory for creating loggers.</param>
/// <param name="networkPeerFactory">Factory for creating P2P network peers.</param>
public NetworkPeerServer(Network network,
IPEndPoint localEndPoint,
IPEndPoint externalEndPoint,
ProtocolVersion version,
ILoggerFactory loggerFactory,
INetworkPeerFactory networkPeerFactory)
{
this.logger = loggerFactory.CreateLogger(this.GetType().FullName, $"[{localEndPoint}] ");
this.logger.LogTrace("({0}:{1},{2}:{3},{4}:{5})", nameof(network), network, nameof(localEndPoint), localEndPoint, nameof(externalEndPoint), externalEndPoint, nameof(version), version);
this.networkPeerFactory = networkPeerFactory;
this.networkPeerDisposer = new NetworkPeerDisposer(loggerFactory);
this.InboundNetworkPeerConnectionParameters = new NetworkPeerConnectionParameters();
this.LocalEndpoint = Utils.EnsureIPv6(localEndPoint);
this.ExternalEndpoint = Utils.EnsureIPv6(externalEndPoint);
this.Network = network;
this.Version = version;
this.serverCancel = new CancellationTokenSource();
this.tcpListener = new TcpListener(this.LocalEndpoint);
this.tcpListener.Server.LingerState = new LingerOption(true, 0);
this.tcpListener.Server.NoDelay = true;
this.tcpListener.Server.SetSocketOption(SocketOptionLevel.IPv6, SocketOptionName.IPv6Only, false);
this.acceptTask = Task.CompletedTask;
this.logger.LogTrace("Network peer server ready to listen on '{0}'.", this.LocalEndpoint);
this.logger.LogTrace("(-)");
}
/// <inheritdoc/>
public async Task <INetworkPeer> CreateConnectedNetworkPeerAsync(
IPEndPoint peerEndPoint,
NetworkPeerConnectionParameters parameters = null,
NetworkPeerDisposer networkPeerDisposer = null)
{
Guard.NotNull(peerEndPoint, nameof(peerEndPoint));
Action <INetworkPeer> onDisconnected = null;
if (networkPeerDisposer != null)
{
onDisconnected = networkPeerDisposer.OnPeerDisconnectedHandler;
}
var peer = new NetworkPeer(peerEndPoint, this.network, parameters, this, this.dateTimeProvider, this.loggerFactory, this.selfEndpointTracker, onDisconnected);
try
{
await peer.ConnectAsync(peer.ConnectionParameters.ConnectCancellation).ConfigureAwait(false);
networkPeerDisposer?.AddPeer(peer);
}
catch
{
peer.Dispose();
throw;
}
return(peer);
}
/// <inheritdoc/>
public async Task <INetworkPeer> CreateConnectedNetworkPeerAsync(
string endPoint,
ProtocolVersion myVersion = ProtocolVersion.PROTOCOL_VERSION,
bool isRelay = true,
CancellationToken cancellation = default(CancellationToken),
NetworkPeerDisposer networkPeerDisposer = null)
{
Guard.NotNull(endPoint, nameof(endPoint));
IPEndPoint ipEndPoint = Utils.ParseIpEndpoint(endPoint, this.network.DefaultPort);
var parameters = new NetworkPeerConnectionParameters()
{
ConnectCancellation = cancellation,
IsRelay = isRelay,
Version = myVersion,
Services = NetworkPeerServices.Nothing,
};
return(await this.CreateConnectedNetworkPeerAsync(ipEndPoint, parameters, networkPeerDisposer));
}
/// <inheritdoc/>
public INetworkPeer CreateNetworkPeer(TcpClient client, NetworkPeerConnectionParameters parameters = null, NetworkPeerDisposer networkPeerDisposer = null)
{
Guard.NotNull(client, nameof(client));
Action <INetworkPeer> onDisconnected = null;
if (networkPeerDisposer != null)
{
onDisconnected = networkPeerDisposer.OnPeerDisconnectedHandler;
}
var peer = new NetworkPeer((IPEndPoint)client.Client.RemoteEndPoint, this.network, parameters, client, this.dateTimeProvider, this, this.loggerFactory, this.selfEndpointTracker, onDisconnected);
networkPeerDisposer?.AddPeer(peer);
return(peer);
}
