protected SocketTransportBase(TransportManager manager,
InputHandler handler, Socket sock) {
this.manager = manager;
this.handler = handler;
this.executor = new ParticipationExecutor(manager.getExecutor());
this.sock = sock;
this.receiveBuffer = allocateReceiveBuffer(RCV_BUFFER_SIZE);
this.sendBuffer = allocateSendBuffer(SND_BUFFER_SIZE);
}