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JDBC Type 4 driver for MySQL
/*
* 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.x;
import java.io.BufferedOutputStream;
import java.io.IOException;
import java.net.Socket;
import java.nio.channels.AsynchronousSocketChannel;
import com.mysql.cj.conf.PropertySet;
import com.mysql.cj.exceptions.CJCommunicationsException;
import com.mysql.cj.exceptions.CJOperationNotSupportedException;
import com.mysql.cj.exceptions.ExceptionFactory;
import com.mysql.cj.exceptions.ExceptionInterceptor;
import com.mysql.cj.exceptions.FeatureNotAvailableException;
import com.mysql.cj.exceptions.SSLParamsException;
import com.mysql.cj.log.Log;
import com.mysql.cj.protocol.AbstractSocketConnection;
import com.mysql.cj.protocol.AsyncSocketFactory;
import com.mysql.cj.protocol.FullReadInputStream;
import com.mysql.cj.protocol.NetworkResources;
import com.mysql.cj.protocol.ServerSession;
import com.mysql.cj.protocol.SocketConnection;
/**
* An async I/O connection. This enables use of async methods on {@link XProtocol}.
*
*/
public class XAsyncSocketConnection extends AbstractSocketConnection implements SocketConnection {
AsynchronousSocketChannel channel;
@Override
public void connect(String hostName, int portNumber, PropertySet propSet, ExceptionInterceptor excInterceptor, Log log, int loginTimeout) {
this.port = portNumber;
this.host = hostName;
this.propertySet = propSet;
this.socketFactory = new AsyncSocketFactory(); // TODO reuse PNAME_socketFactory
try {
this.channel = this.socketFactory.connect(hostName, portNumber, propSet, loginTimeout);
} catch (CJCommunicationsException e) {
throw e;
} catch (IOException | RuntimeException ex) {
throw new CJCommunicationsException(ex);
}
}
@Override
public void performTlsHandshake(ServerSession serverSession) throws SSLParamsException, FeatureNotAvailableException, IOException {
this.channel = this.socketFactory.performTlsHandshake(this, serverSession);
}
public AsynchronousSocketChannel getAsynchronousSocketChannel() {
return this.channel;
}
@Override
public final void forceClose() {
try {
if (this.channel != null && this.channel.isOpen()) {
this.channel.close();
}
} catch (IOException e) {
// ignore
} finally {
this.channel = null;
}
}
@Override
public NetworkResources getNetworkResources() {
// TODO not supported ?
throw ExceptionFactory.createException(CJOperationNotSupportedException.class, "Not supported");
}
@Override
public Socket getMysqlSocket() {
// TODO not supported ?
throw ExceptionFactory.createException(CJOperationNotSupportedException.class, "Not supported");
}
@Override
public FullReadInputStream getMysqlInput() {
// TODO not supported ?
throw ExceptionFactory.createException(CJOperationNotSupportedException.class, "Not supported");
}
@Override
public void setMysqlInput(FullReadInputStream mysqlInput) {
// TODO not supported ?
throw ExceptionFactory.createException(CJOperationNotSupportedException.class, "Not supported");
}
@Override
public BufferedOutputStream getMysqlOutput() {
// TODO not supported ?
throw ExceptionFactory.createException(CJOperationNotSupportedException.class, "Not supported");
}
@Override
public boolean isSSLEstablished() {
// TODO not supported ?
throw ExceptionFactory.createException(CJOperationNotSupportedException.class, "Not supported");
}
@Override
public ExceptionInterceptor getExceptionInterceptor() {
// TODO not supported ?
throw ExceptionFactory.createException(CJOperationNotSupportedException.class, "Not supported");
}
@Override
public boolean isSynchronous() {
return false;
}
}