public async ValueTask <bool> ProcessMessageAsync(HandshakeMessage noiseMessage, CancellationToken cancellation)
{
if (PeerContext.HandshakeComplete)
{
logger.LogDebug("Receiving version while already handshaked, disconnect.");
throw new ProtocolViolationException("Peer already handshaked, disconnecting because of protocol violation.");
}
switch (_handshakeActNumber)
{
case 1: // ActOne responder
{
logger.LogDebug("Handshake ActOne received.");
await SendMessageAsync(Handshake(noiseMessage.Payload), cancellation).ConfigureAwait(false);
_handshakeActNumber += 2; // jump to act3
logger.LogDebug("Handshake ActTwo sent.");
break;
}
case 2: // ActTwo both
{
logger.LogDebug("Handshake ActTwo received.");
await SendMessageAsync(Handshake(noiseMessage.Payload), cancellation).ConfigureAwait(false);
PeerContext.OnHandshakeCompleted();
_handshakeActNumber++;
logger.LogDebug("Handshake ActThree sent.");
break;
}
case 3: // ActThree Responder
{
logger.LogDebug("Handshake ActThree received.");
_ = Handshake(noiseMessage.Payload);
_handshakeActNumber++;
logger.LogDebug("Handshake Init sent.");
PeerContext.OnHandshakeCompleted();
await SendMessageAsync(CreateInitMessage(), cancellation).ConfigureAwait(false);
PeerContext.OnInitMessageCompleted();
break;
}
}
// will prevent to handle noise messages to other Processors
return(false);
}
public async ValueTask <bool> ProcessMessageAsync(InitMessage message, CancellationToken cancellation)
{
logger.LogDebug("Handshake Init received.");
if (PeerContext.InitComplete)
{
return(true);
}
// validate init message
PeerContext.OnInitMessageCompleted();
await SendMessageAsync(CreateInitMessage(), cancellation).ConfigureAwait(false);
return(true);// new ValueTask<bool>(true);
}
