/* * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. * * This program is free software; you can redistribute it and/or modify it under * the terms of the GNU General Public License, version 2.0, as published by the * Free Software Foundation. * * This program is also distributed with certain software (including but not * limited to OpenSSL) that is licensed under separate terms, as designated in a * particular file or component or in included license documentation. The * authors of MySQL hereby grant you an additional permission to link the * program and your derivative works with the separately licensed software that * they have included with MySQL. * * Without limiting anything contained in the foregoing, this file, which is * part of MySQL Connector/J, is also subject to the Universal FOSS Exception, * version 1.0, a copy of which can be found at * http://oss.oracle.com/licenses/universal-foss-exception. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU General Public License, version 2.0, * for more details. * * You should have received a copy of the GNU General Public License along with * this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ package com.mysql.cj.protocol; import java.io.Closeable; import java.io.IOException; import java.net.InetSocketAddress; import java.nio.channels.AsynchronousSocketChannel; import java.util.concurrent.ExecutionException; import java.util.concurrent.Future; import com.mysql.cj.conf.PropertySet; import com.mysql.cj.exceptions.CJCommunicationsException; public class AsyncSocketFactory implements SocketFactory { AsynchronousSocketChannel channel; @SuppressWarnings("unchecked") @Override public <T extends Closeable> T connect(String host, int port, PropertySet props, int loginTimeout) throws IOException { try { this.channel = AsynchronousSocketChannel.open(); //channel.setOption(java.net.StandardSocketOptions.TCP_NODELAY, true); this.channel.setOption(java.net.StandardSocketOptions.SO_SNDBUF, 128 * 1024); this.channel.setOption(java.net.StandardSocketOptions.SO_RCVBUF, 128 * 1024); Future<Void> connectPromise = this.channel.connect(new InetSocketAddress(host, port)); connectPromise.get(); } catch (CJCommunicationsException e) { throw e; } catch (IOException | InterruptedException | ExecutionException | RuntimeException ex) { throw new CJCommunicationsException(ex); } return (T) this.channel; } @SuppressWarnings("unchecked") @Override public <T extends Closeable> T performTlsHandshake(SocketConnection socketConnection, ServerSession serverSession) throws IOException { this.channel = ExportControlled.startTlsOnAsynchronousChannel(this.channel, socketConnection); return (T) this.channel; } }