/*
* Copyright (c) 2015, 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.
BufferedOutputStream;
import java.io.
IOException;
import java.net.
Socket;
import com.mysql.cj.
Messages;
import com.mysql.cj.conf.
PropertySet;
import com.mysql.cj.exceptions.
CJException;
import com.mysql.cj.exceptions.
ExceptionFactory;
import com.mysql.cj.exceptions.
ExceptionInterceptor;
import com.mysql.cj.exceptions.
UnableToConnectException;
import com.mysql.jdbc.
SocketFactoryWrapper;
public abstract class
AbstractSocketConnection implements
SocketConnection {
protected
String host = null;
protected int
port = 3306;
protected
SocketFactory socketFactory = null;
protected
Socket mysqlSocket = null;
protected
FullReadInputStream mysqlInput = null;
protected
BufferedOutputStream mysqlOutput = null;
protected
ExceptionInterceptor exceptionInterceptor;
protected
PropertySet propertySet;
public
String getHost() {
return this.
host;
}
public int
getPort() {
return this.
port;
}
public
Socket getMysqlSocket() {
return this.
mysqlSocket;
}
public
FullReadInputStream getMysqlInput() throws
IOException {
if (this.
mysqlInput != null) {
return this.
mysqlInput;
}
throw new
IOException(
Messages.
getString("SocketConnection.2"));
}
public void
setMysqlInput(
FullReadInputStream mysqlInput) {
this.
mysqlInput =
mysqlInput;
}
public
BufferedOutputStream getMysqlOutput() throws
IOException {
if (this.
mysqlOutput != null) {
return this.
mysqlOutput;
}
throw new
IOException(
Messages.
getString("SocketConnection.2"));
}
public boolean
isSSLEstablished() {
return
ExportControlled.
enabled() &&
ExportControlled.
isSSLEstablished(this.
getMysqlSocket());
}
public
SocketFactory getSocketFactory() {
return this.
socketFactory;
}
public void
setSocketFactory(
SocketFactory socketFactory) {
this.
socketFactory =
socketFactory;
}
/**
* Forcibly closes the underlying socket to MySQL.
*/
public void
forceClose() {
try {
getNetworkResources().
forceClose();
} finally {
this.
mysqlSocket = null;
this.
mysqlInput = null;
this.
mysqlOutput = null;
}
}
// We do this to break the chain between MysqlIO and Connection, so that we can have PhantomReferences on connections that let the driver clean up the
// socket connection without having to use finalize() somewhere (which although more straightforward, is horribly inefficient).
public
NetworkResources getNetworkResources() {
return new
NetworkResources(this.
mysqlSocket, this.
mysqlInput, this.
mysqlOutput);
}
public
ExceptionInterceptor getExceptionInterceptor() {
return this.
exceptionInterceptor;
}
public
PropertySet getPropertySet() {
return this.
propertySet;
}
protected
SocketFactory createSocketFactory(
String socketFactoryClassName) {
try {
if (
socketFactoryClassName == null) {
throw
ExceptionFactory.
createException(
UnableToConnectException.class,
Messages.
getString("SocketConnection.0"),
getExceptionInterceptor());
}
Object sf =
Class.
forName(
socketFactoryClassName).
newInstance();
if (
sf instanceof
SocketFactory) {
return (
SocketFactory) (
Class.
forName(
socketFactoryClassName).
newInstance());
}
// wrap legacy socket factories
return new
SocketFactoryWrapper(
sf);
} catch (
InstantiationException |
IllegalAccessException |
ClassNotFoundException |
CJException ex) {
throw
ExceptionFactory.
createException(
UnableToConnectException.class,
Messages.
getString("SocketConnection.1", new
String[] {
socketFactoryClassName }),
getExceptionInterceptor());
}
}
}