/// <summary>
/// Invoked when a message is received from a connected peer.
/// </summary>
/// <param name="peer">Peer that sent the message.</param>
/// <param name="data">Received message data.</param>
public void MessageReceived(PeerConnection peer, byte[] data)
{
if (data.Length == 0)
{
return;
}
var reader = new BigEndianBinaryReader(new MemoryStream(data));
byte messageId = reader.ReadByte();
if (messageHandlerRegistrations.TryGetValue(Tuple.Create(peer, messageId), out IModule module))
{
var customValues = peer.GetCustomValues(module);
var messageReceivedContext = new MessageReceivedContext(
peer,
this,
messageId,
data.Length - 1,
reader,
customValues,
rMessageId => RegisterModuleForMessageId(peer, module, rMessageId));
module.OnMessageReceived(messageReceivedContext);
Log.LogTrace($"Message of type {messageId} handled by module {module.GetType().Name}");
}
else
{
// Unknown message type
Log.LogWarning($"Received unknown message type {messageId} from {peer.Address}");
peer.Disconnect();
}
}
private void PeerConnected(PeerConnection peer)
{
Log.LogInformation($"Connected to peer at {peer.Address}");
lock (peersLock)
peers.Add(peer);
foreach (var module in modules.Modules)
{
var context = new PeerContext(
peer,
peer.GetCustomValues(module),
this,
messageId => RegisterModuleForMessageId(peer, module, messageId));
module.OnPeerConnected(context);
}
peer.ReceiveData();
}