public void SetBitField(PeerMessage message)
{
for (int i = message.rawBytesOffset; i < message.GetMsgContents().Length; i++)
{
byte mask = 0b10000000;
byte curByte = message.GetMsgContents()[i];
for (int bit = 7; bit >= 0; bit--)
{
if ((i - message.rawBytesOffset) * 8 + (7 - bit) >= peersPieces.Count)
{
break;
}
peersPieces.Set((i - message.rawBytesOffset) * 8 + (7 - bit), (curByte & mask) != 0);
mask >>= 1;
}
}
}
public async Task <int> PeerHandshakeAsync(byte[] infoHash, string peerID, CancellationTokenSource cancellationToken)
{
await connectionClient.ConnectAsync(endPoint.Address, endPoint.Port).ConfigureAwait(false);
if (cancellationToken.IsCancellationRequested)
{
return(-1);
}
var handshakeMessage = new PeerMessage(infoHash, peerID);
await connectionClient.GetStream().WriteAsync(handshakeMessage.GetMsgContents(), 0,
handshakeMessage.GetMsgContents().Length, cancellationToken.Token).ConfigureAwait(false);
var message = await RecieveHandshakeMessageAsync(cancellationToken).ConfigureAwait(false);
if (message == null || message.messageType != PeerMessageType.handshake)
{
return(-1);
}
// setting the timer for two minutes
activityTimer = new Timer(TimerCallback, null, TIMEOUT * 1000, TIMEOUT * 1000);
return(0);
}
public void SendPeerMessage(PeerMessage message)
{
ResetTimer();
connectionClient.GetStream().Write(message.GetMsgContents(), 0, message.GetMsgContents().Length);
}
