private void sendConnectionRequest(EndPoint server)
{
byte[] packetBuffer = BufferPool.GetBuffer(1 + 13 + 8 + 8 + 8 + Defines.NETCODE_CONNECT_TOKEN_PRIVATE_BYTES);
using (var stream = ByteArrayReaderWriter.Get(packetBuffer))
{
stream.Write((byte)0);
stream.WriteASCII(Defines.NETCODE_VERSION_INFO_STR);
stream.Write(connectToken.ProtocolID);
stream.Write(connectToken.ExpireTimestamp);
stream.Write(connectToken.ConnectTokenSequence);
stream.Write(connectToken.PrivateConnectTokenBytes);
}
socket.SendTo(packetBuffer, server);
BufferPool.ReturnBuffer(packetBuffer);
}
// encrypts a packet and sends it to the endpoint
private void sendPacketToClient(NetcodePacketHeader packetHeader, byte[] packetData, int packetDataLen, EndPoint endpoint, byte[] key)
{
// assign a sequence number to this packet
packetHeader.SequenceNumber = this.nextSequenceNumber++;
// encrypt packet data
byte[] encryptedPacketBuffer = BufferPool.GetBuffer(2048);
int encryptedBytes = PacketIO.EncryptPacketData(packetHeader, protocolID, packetData, packetDataLen, key, encryptedPacketBuffer);
int packetLen = 0;
// write packet to byte array
var packetBuffer = BufferPool.GetBuffer(2048);
using (var packetWriter = ByteArrayReaderWriter.Get(packetBuffer))
{
packetHeader.Write(packetWriter);
packetWriter.WriteBuffer(encryptedPacketBuffer, encryptedBytes);
packetLen = (int)packetWriter.WritePosition;
}
// send packet
listenSocket.SendTo(packetBuffer, packetLen, endpoint);
BufferPool.ReturnBuffer(packetBuffer);
BufferPool.ReturnBuffer(encryptedPacketBuffer);
}