private void send(SocketChannel sc, ClientInfo ci) throws IOException { int len = ci.outBuf.remaining(); int nBytes = sc.write(ci.outBuf); if (nBytes != len) { // Client not ready to receive data ci.outputPending = true; ci.channel.register(selector, SelectionKey.OP_READ | SelectionKey.OP_WRITE); } else { ci.outBuf.clear(); if (ci.outputPending) { ci.outputPending = false; ci.channel.register(selector, SelectionKey.OP_READ); } } }