private void PeerHandshakeReceived(bool succeeded, int count, object state)
{
PeerId id = (PeerId)state;
string reason = null;
bool cleanUp = false;
PeerMessage msg;
try
{
// If the connection is closed, just return
if (!succeeded)
{
CleanupSocket(id, "Handshaking failed");
return;
}
// Decode the handshake and handle it
id.Decryptor.Decrypt(id.recieveBuffer.Array, id.recieveBuffer.Offset, count);
msg = new HandshakeMessage();
msg.Decode(id.recieveBuffer, 0, count);
msg.Handle(id);
Logger.Log(id.Connection, "ConnectionManager - Handshake recieved");
if (id.SupportsFastPeer && ClientEngine.SupportsFastPeer)
{
if (id.TorrentManager.Bitfield.AllFalse || id.TorrentManager.IsInitialSeeding)
msg = new HaveNoneMessage();
else if (id.TorrentManager.Bitfield.AllTrue)
msg = new HaveAllMessage();
else
msg = new BitfieldMessage(id.TorrentManager.Bitfield);
}
else if (id.TorrentManager.IsInitialSeeding)
{
BitField btfld = new BitField(id.TorrentManager.Bitfield.Length);
btfld.SetAll(false);
msg = new BitfieldMessage(btfld);
}
else
{
msg = new BitfieldMessage(id.TorrentManager.Bitfield);
}
if (id.SupportsLTMessages && ClientEngine.SupportsExtended)
{
MessageBundle bundle = new MessageBundle();
bundle.Messages.Add(new ExtendedHandshakeMessage());
bundle.Messages.Add(msg);
msg = bundle;
}
//ClientEngine.BufferManager.FreeBuffer(ref id.recieveBuffer);
SendMessage(id, msg, this.bitfieldSentCallback);
}
catch (TorrentException)
{
Logger.Log(id.Connection, "ConnectionManager - Couldn't decode the message");
reason = "Couldn't decode handshake";
cleanUp = true;
return;
}
finally
{
if (cleanUp)
CleanupSocket(id, reason);
}
}
protected virtual void HandleHaveNoneMessage(PeerId id, HaveNoneMessage message)
{
id.BitField.SetAll(false);
id.Peer.IsSeeder = false;
SetAmInterestedStatus(id, false);
}
protected override void HandleHaveNoneMessage(PeerId id,
HaveNoneMessage message)
{
// Nothing
}