/*
* Copyright (c) 2002, 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.io.
InputStream;
import java.io.
OutputStream;
import java.io.
RandomAccessFile;
import java.net.
Socket;
import java.net.
SocketException;
import com.mysql.cj.
Messages;
import com.mysql.cj.
Session;
import com.mysql.cj.conf.
PropertyKey;
import com.mysql.cj.conf.
PropertySet;
import com.mysql.cj.conf.
RuntimeProperty;
/**
* A socket factory for named pipes (on Windows)
*/
public class
NamedPipeSocketFactory implements
SocketFactory {
/**
* A socket that encapsulates named pipes on Windows
*/
class
NamedPipeSocket extends
Socket {
private boolean
isClosed = false;
private
RandomAccessFile namedPipeFile;
NamedPipeSocket(
String filePath) throws
IOException {
if ((
filePath == null) || (
filePath.
length() == 0)) {
throw new
IOException(
Messages.
getString("NamedPipeSocketFactory.4"));
}
this.
namedPipeFile = new
RandomAccessFile(
filePath, "rw");
}
/**
* @see java.net.Socket#close()
*/
@
Override
public synchronized void
close() throws
IOException {
this.
namedPipeFile.
close();
this.
isClosed = true;
}
/**
* @see java.net.Socket#getInputStream()
*/
@
Override
public
InputStream getInputStream() throws
IOException {
return new
RandomAccessFileInputStream(this.
namedPipeFile);
}
/**
* @see java.net.Socket#getOutputStream()
*/
@
Override
public
OutputStream getOutputStream() throws
IOException {
return new
RandomAccessFileOutputStream(this.
namedPipeFile);
}
/**
* @see java.net.Socket#isClosed()
*/
@
Override
public boolean
isClosed() {
return this.
isClosed;
}
@
Override
public void
shutdownInput() throws
IOException {
// no-op
}
}
/**
* Enables OutputStream-type functionality for a RandomAccessFile
*/
class
RandomAccessFileInputStream extends
InputStream {
RandomAccessFile raFile;
RandomAccessFileInputStream(
RandomAccessFile file) {
this.
raFile =
file;
}
/**
* @see java.io.InputStream#available()
*/
@
Override
public int
available() throws
IOException {
return -1;
}
/**
* @see java.io.InputStream#close()
*/
@
Override
public void
close() throws
IOException {
this.
raFile.
close();
}
/**
* @see java.io.InputStream#read()
*/
@
Override
public int
read() throws
IOException {
return this.
raFile.
read();
}
/**
* @see java.io.InputStream#read(byte[])
*/
@
Override
public int
read(byte[]
b) throws
IOException {
return this.
raFile.
read(
b);
}
/**
* @see java.io.InputStream#read(byte[], int, int)
*/
@
Override
public int
read(byte[]
b, int
off, int
len) throws
IOException {
return this.
raFile.
read(
b,
off,
len);
}
}
/**
* Enables OutputStream-type functionality for a RandomAccessFile
*/
class
RandomAccessFileOutputStream extends
OutputStream {
RandomAccessFile raFile;
RandomAccessFileOutputStream(
RandomAccessFile file) {
this.
raFile =
file;
}
/**
* @see java.io.OutputStream#close()
*/
@
Override
public void
close() throws
IOException {
this.
raFile.
close();
}
/**
* @see java.io.OutputStream#write(byte[])
*/
@
Override
public void
write(byte[]
b) throws
IOException {
this.
raFile.
write(
b);
}
/**
* @see java.io.OutputStream#write(byte[], int, int)
*/
@
Override
public void
write(byte[]
b, int
off, int
len) throws
IOException {
this.
raFile.
write(
b,
off,
len);
}
/**
* @see java.io.OutputStream#write(int)
*/
@
Override
public void
write(int
b) throws
IOException {
}
}
private
Socket namedPipeSocket;
/**
* Constructor for NamedPipeSocketFactory.
*/
public
NamedPipeSocketFactory() {
super();
}
@
SuppressWarnings("unchecked")
@
Override
public <T extends
Closeable> T
performTlsHandshake(
SocketConnection socketConnection,
ServerSession serverSession) throws
IOException {
return (T) this.
namedPipeSocket;
}
@
SuppressWarnings("unchecked")
@
Override
public <T extends
Closeable> T
connect(
String host, int
portNumber /* ignored */,
PropertySet props, int
loginTimeout) throws
IOException {
String namedPipePath = null;
RuntimeProperty<
String>
path =
props.
getStringProperty(
PropertyKey.
PATH);
if (
path != null) {
namedPipePath =
path.
getValue();
}
if (
namedPipePath == null) {
namedPipePath = "\\\\.\\pipe\\MySQL";
} else if (
namedPipePath.
length() == 0) {
throw new
SocketException(
Messages.
getString("NamedPipeSocketFactory.2") +
PropertyKey.
PATH.
getCcAlias() +
Messages.
getString("NamedPipeSocketFactory.3"));
}
this.
namedPipeSocket = new
NamedPipeSocket(
namedPipePath);
return (T) this.
namedPipeSocket;
}
@
Override
public boolean
isLocallyConnected(
Session sess) {
// Until I learn otherwise (or learn how to detect it), I assume that we are
return true;
}
}