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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.qpid.amqp_1_0.client;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.Socket;
import java.nio.ByteBuffer;
import java.security.Principal;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.net.ssl.SSLSocketFactory;
import org.apache.qpid.amqp_1_0.framing.ConnectionHandler;
import org.apache.qpid.amqp_1_0.transport.AMQPTransport;
import org.apache.qpid.amqp_1_0.transport.ConnectionEndpoint;
import org.apache.qpid.amqp_1_0.transport.Container;
import org.apache.qpid.amqp_1_0.transport.StateChangeListener;
import org.apache.qpid.amqp_1_0.type.Binary;
import org.apache.qpid.amqp_1_0.type.FrameBody;
import org.apache.qpid.amqp_1_0.type.SaslFrameBody;
import org.apache.qpid.amqp_1_0.type.UnsignedInteger;
public class Connection
{
private static final Logger RAW_LOGGER = Logger.getLogger("RAW");
private static final int MAX_FRAME_SIZE = 65536;
private String _address;
private ConnectionEndpoint _conn;
private int _sessionCount;
public Connection(final String address,
final int port,
final String username,
final String password) throws ConnectionException
{
this(address, port, username, password, MAX_FRAME_SIZE);
}
public Connection(final String address,
final int port,
final String username,
final String password, String remoteHostname) throws ConnectionException
{
this(address, port, username, password, MAX_FRAME_SIZE,new Container(),remoteHostname);
}
public Connection(final String address,
final int port,
final String username,
final String password,
final int maxFrameSize) throws ConnectionException
{
this(address,port,username,password,maxFrameSize,new Container());
}
public Connection(final String address,
final int port,
final String username,
final String password,
final Container container) throws ConnectionException
{
this(address,port,username,password,MAX_FRAME_SIZE,container);
}
public Connection(final String address,
final int port,
final String username,
final String password,
final int maxFrameSize,
final Container container) throws ConnectionException
{
this(address,port,username,password,maxFrameSize,container, null);
}
public Connection(final String address,
final int port,
final String username,
final String password,
final int maxFrameSize,
final Container container,
final String remoteHostname) throws ConnectionException
{
this(address,port,username,password,maxFrameSize,container,remoteHostname,false);
}
public Connection(final String address,
final int port,
final String username,
final String password,
final Container container,
final boolean ssl) throws ConnectionException
{
this(address, port, username, password, MAX_FRAME_SIZE,container,null,ssl);
}
public Connection(final String address,
final int port,
final String username,
final String password,
final String remoteHost,
final boolean ssl) throws ConnectionException
{
this(address, port, username, password, MAX_FRAME_SIZE,new Container(),remoteHost,ssl);
}
public Connection(final String address,
final int port,
final String username,
final String password,
final Container container,
final String remoteHost,
final boolean ssl) throws ConnectionException
{
this(address, port, username, password, MAX_FRAME_SIZE,container,remoteHost,ssl);
}
public Connection(final String address,
final int port,
final String username,
final String password,
final int maxFrameSize,
final Container container,
final String remoteHostname, boolean ssl) throws ConnectionException
{
_address = address;
try
{
final Socket s;
if(ssl)
{
s = SSLSocketFactory.getDefault().createSocket(address, port);
}
else
{
s = new Socket(address, port);
}
Principal principal = username == null ? null : new Principal()
{
public String getName()
{
return username;
}
};
_conn = new ConnectionEndpoint(container, principal, password);
_conn.setDesiredMaxFrameSize(UnsignedInteger.valueOf(maxFrameSize));
_conn.setRemoteAddress(s.getRemoteSocketAddress());
_conn.setRemoteHostname(remoteHostname);
ConnectionHandler.FrameOutput<FrameBody> out = new ConnectionHandler.FrameOutput<FrameBody>(_conn);
final OutputStream outputStream = s.getOutputStream();
ConnectionHandler.BytesSource src;
if(_conn.requiresSASL())
{
ConnectionHandler.FrameOutput<SaslFrameBody> saslOut = new ConnectionHandler.FrameOutput<SaslFrameBody>(_conn);
src = new ConnectionHandler.SequentialBytesSource(new ConnectionHandler.HeaderBytesSource(_conn, (byte)'A',
(byte)'M',
(byte)'Q',
(byte)'P',
(byte)3,
(byte)1,
(byte)0,
(byte)0),
new ConnectionHandler.FrameToBytesSourceAdapter(saslOut,_conn.getDescribedTypeRegistry()),
new ConnectionHandler.HeaderBytesSource(_conn, (byte)'A',
(byte)'M',
(byte)'Q',
(byte)'P',
(byte)0,
(byte)1,
(byte)0,
(byte)0),
new ConnectionHandler.FrameToBytesSourceAdapter(out,_conn.getDescribedTypeRegistry())
);
_conn.setSaslFrameOutput(saslOut);
}
else
{
src = new ConnectionHandler.SequentialBytesSource(new ConnectionHandler.HeaderBytesSource(_conn,(byte)'A',
(byte)'M',
(byte)'Q',
(byte)'P',
(byte)0,
(byte)1,
(byte)0,
(byte)0),
new ConnectionHandler.FrameToBytesSourceAdapter(out,_conn.getDescribedTypeRegistry())
);
}
ConnectionHandler.BytesOutputHandler outputHandler = new ConnectionHandler.BytesOutputHandler(outputStream, src, _conn);
Thread outputThread = new Thread(outputHandler);
outputThread.setDaemon(true);
outputThread.start();
_conn.setFrameOutputHandler(out);
final ConnectionHandler handler = new ConnectionHandler(_conn);
final InputStream inputStream = s.getInputStream();
Thread inputThread = new Thread(new Runnable()
{
public void run()
{
try
{
doRead(handler, inputStream);
}
finally
{
if(_conn.closedForInput() && _conn.closedForOutput())
{
try
{
s.close();
}
catch (IOException e)
{
e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
}
}
}
}
});
inputThread.setDaemon(true);
inputThread.start();
_conn.open();
}
catch (IOException e)
{
throw new ConnectionException(e);
}
}
private void doRead(final AMQPTransport transport, final InputStream inputStream)
{
byte[] buf = new byte[2<<15];
ByteBuffer bbuf = ByteBuffer.wrap(buf);
final Object lock = new Object();
transport.setInputStateChangeListener(new StateChangeListener(){
public void onStateChange(final boolean active)
{
synchronized(lock)
{
lock.notifyAll();
}
}
});
try
{
int read;
while((read = inputStream.read(buf)) != -1)
{
bbuf.position(0);
bbuf.limit(read);
while(bbuf.hasRemaining() && transport.isOpenForInput())
{
transport.processBytes(bbuf);
}
}
}
catch (IOException e)
{
e.printStackTrace();
}
}
public Session createSession()
{
Session session = new Session(this,String.valueOf(_sessionCount++));
return session;
}
public ConnectionEndpoint getEndpoint()
{
return _conn;
}
private void doRead(final ConnectionHandler handler, final InputStream inputStream)
{
byte[] buf = new byte[2<<15];
try
{
int read;
boolean done = false;
while(!handler.isDone() && (read = inputStream.read(buf)) != -1)
{
ByteBuffer bbuf = ByteBuffer.wrap(buf, 0, read);
Binary b = new Binary(buf,0,read);
if(RAW_LOGGER.isLoggable(Level.FINE))
{
RAW_LOGGER.fine("RECV [" + _conn.getRemoteAddress() + "] : " + b.toString());
}
while(bbuf.hasRemaining() && !handler.isDone())
{
handler.parse(bbuf);
}
}
}
catch (IOException e)
{
e.printStackTrace();
}
}
public void close()
{
_conn.close();
synchronized (_conn.getLock())
{
while(!_conn.closedForInput())
{
try
{
_conn.getLock().wait();
}
catch (InterruptedException e)
{
}
}
}
}
public static class ConnectionException extends Exception
{
public ConnectionException(Throwable cause)
{
super(cause);
}
}
}
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