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/*
Copyright (c) 2002, 2014, Oracle and/or its affiliates. All rights reserved.
The MySQL Connector/J is licensed under the terms of the GPLv2
<http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most MySQL Connectors.
There are special exceptions to the terms and conditions of the GPLv2 as it is applied to
this software, see the FOSS License Exception
<http://www.mysql.com/about/legal/licensing/foss-exception.html>.
This program is free software; you can redistribute it and/or modify it under the terms
of the GNU General Public License as published by the Free Software Foundation; version 2
of the License.
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 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.jdbc;
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 java.sql.SQLException;
import java.util.Properties;
/**
* A socket factory for named pipes (on Windows)
*/
public class NamedPipeSocketFactory implements SocketFactory, SocketMetadata {
/**
* 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;
}
}
/**
* 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 {
}
}
public static final String NAMED_PIPE_PROP_NAME = "namedPipePath";
private Socket namedPipeSocket;
/**
* Constructor for NamedPipeSocketFactory.
*/
public NamedPipeSocketFactory() {
super();
}
/**
* @see com.mysql.jdbc.SocketFactory#afterHandshake()
*/
public Socket afterHandshake() throws SocketException, IOException {
return this.namedPipeSocket;
}
/**
* @see com.mysql.jdbc.SocketFactory#beforeHandshake()
*/
public Socket beforeHandshake() throws SocketException, IOException {
return this.namedPipeSocket;
}
/**
* @see com.mysql.jdbc.SocketFactory#connect(String, Properties)
*/
public Socket connect(String host, int portNumber /* ignored */, Properties props) throws SocketException, IOException {
String namedPipePath = props.getProperty(NAMED_PIPE_PROP_NAME);
if (namedPipePath == null) {
namedPipePath = "\\\\.\\pipe\\MySQL";
} else if (namedPipePath.length() == 0) {
throw new SocketException(Messages.getString("NamedPipeSocketFactory.2") + NAMED_PIPE_PROP_NAME + Messages.getString("NamedPipeSocketFactory.3"));
}
this.namedPipeSocket = new NamedPipeSocket(namedPipePath);
return this.namedPipeSocket;
}
public boolean isLocallyConnected(ConnectionImpl conn) throws SQLException {
// Until I learn otherwise (or learn how to detect it), I assume that we are
return true;
}
}