public void Test()
{
byte[] hello = new byte[]
{
0x62, 0xea, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0xb2, 0xd0, 0x50,
0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3b, 0x2e, 0xb3, 0x5d, 0x8c, 0xe6, 0x17, 0x65,
0x0f, 0x2f, 0x53, 0x61, 0x74, 0x6f, 0x73, 0x68, 0x69, 0x3a, 0x30, 0x2e, 0x37, 0x2e, 0x32, 0x2f,
0xc0, 0x3e, 0x03, 0x00
};
using (BitcoinConnection conn = new BitcoinConnection())
{
conn.Connect("localhost", 8333);
conn.WriteMessage(new BitcoinMessage("version", hello));
BitcoinMessage incVersionMessage = conn.ReadMessage();
Assert.That(incVersionMessage.Command, Is.EqualTo(VersionMessage.Command));
conn.WriteMessage(new BitcoinMessage(VerAckMessage.Command, new byte[0]));
BitcoinMessage incVerAckMessage = conn.ReadMessage();
Assert.That(incVerAckMessage.Command, Is.EqualTo(VerAckMessage.Command));
BitcoinMessage incPing = conn.ReadMessage();
Assert.That(incPing.Command, Is.EqualTo(PingMessage.Command));
}
}
private void Listen()
{
while (running)
{
TcpClient tcpClient;
try
{
tcpClient = tcpListener.AcceptTcpClient();
}
catch (SocketException)
{
//todo: this happens when listener is stopped, can it happen for other reasons?
return;
}
BitcoinConnection conn = new BitcoinConnection(tcpClient);
connectionHandler(conn);
}
}
private void DeadlockTestConnectionHandler(BitcoinConnection connection)
{
using (BitcoinEndpoint endpoint = new BitcoinEndpoint(DeadlockTestMessageHandler))
{
endpoint.Connect(connection);
SendDeadlockTestSequence(endpoint, "server");
//let other peer to send remaining data
Thread.Sleep(1000);
}
}
private void ConnectionHandler(BitcoinConnection connection)
{
using (BitcoinEndpoint endpoint = new BitcoinEndpoint(LoggingMessageHandler))
{
endpoint.Connect(connection);
Thread.Sleep(1000);
endpoint.WriteMessage(new BitcoinMessage(InvMessage.Command, new byte[0]));
}
}
private void HandleIncomingConnection(BitcoinConnection connection)
{
BitcoinEndpoint endpoint = new BitcoinEndpoint(HandleMessage);
endpoint.Connect(connection);
if (!connectionCollection.Add(NodeConnectionDirection.Incoming, endpoint))
{
endpoint.Dispose();
return;
}
services.OnNodeConnected(endpoint);
//todo: make sure that OnNodeConnected is always called before OnNodeDisconnected and before message processing
endpoint.Disconnected += () => services.OnNodeDisconnected(endpoint);
}
/// <summary>
/// Connects to a remote host using an established connection and sends a version handshake.
/// </summary>
/// <param name="connection">The established network connection.</param>
/// <exception cref="BitcoinNetworkException">Connection failed.</exception>
public void Connect(BitcoinConnection connection)
{
if (conn != null)
{
throw new BitcoinNetworkException("Connection was already established.");
}
conn = connection;
Start();
}
/// <summary>
/// Connects to a remote host and sends a version handshake.
/// </summary>
/// <param name="host">The DNS name of the remote host.</param>
/// <param name="port">The port number of the remote host.</param>
/// <exception cref="BitcoinNetworkException">Connection failed.</exception>
public void Connect(string host, int port)
{
if (conn != null)
{
throw new BitcoinNetworkException("Connection was already established.");
}
conn = new BitcoinConnection();
conn.Connect(host, port);
Start();
}