/*
* 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;
}
}