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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.net.SocketTimeoutException;
import java.nio.ByteBuffer;
import java.util.concurrent.atomic.AtomicLong;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocket;
import javax.net.ssl.SSLSocketFactory;
import org.apache.qpid.amqp_1_0.framing.ConnectionHandler;
import org.apache.qpid.amqp_1_0.framing.ExceptionHandler;
import org.apache.qpid.amqp_1_0.transport.ConnectionEndpoint;
import org.apache.qpid.amqp_1_0.type.FrameBody;
import org.apache.qpid.amqp_1_0.type.SaslFrameBody;
class TCPTransportProvier implements TransportProvider
{
private static final Logger RAW_LOGGER = Logger.getLogger("RAW");
private Socket _socket;
private final String _transport;
// Defines read socket timeout in milliseconds. A value of 0 means that the socket
// read will block forever. Default value is set to 10000, which is 10 seconds.
private int _readTimeout = Integer.getInteger("qpid.connection_read_timeout", 10000);
// Defines the max idle read timeout in milliseconds before the connection is closed down in
// the event of a SocketTimeoutException. A value of -1L will disable idle read timeout checking.
// Default value is set to -1L, which means disable idle read checks.
private long _readIdleTimeout = Long.getLong("qpid.connection_read_idle_timeout", -1L);
private final AtomicLong _threadNameIndex = new AtomicLong();
public TCPTransportProvier(final String transport)
{
_transport = transport;
}
@Override
public void connect(final ConnectionEndpoint conn,
final String address,
final int port,
final SSLContext sslContext,
final ExceptionHandler exceptionHandler) throws ConnectionException
{
try
{
if(sslContext != null)
{
final SSLSocketFactory socketFactory = sslContext.getSocketFactory();
SSLSocket sslSocket = (SSLSocket) socketFactory.createSocket(address, port);
sslSocket.startHandshake();
conn.setExternalPrincipal(sslSocket.getSession().getLocalPrincipal());
_socket=sslSocket;
}
else
{
_socket = new Socket(address, port);
}
// set socket read timeout
_socket.setSoTimeout(_readTimeout);
conn.setRemoteAddress(_socket.getRemoteSocketAddress());
ConnectionHandler.FrameOutput<FrameBody> out = new ConnectionHandler.FrameOutput<FrameBody>(conn);
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.asFrameSource(),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.asFrameSource(),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.asFrameSource(),conn.getDescribedTypeRegistry())
);
}
final OutputStream outputStream = _socket.getOutputStream();
ConnectionHandler.BytesOutputHandler outputHandler =
new ConnectionHandler.BytesOutputHandler(outputStream, src, conn, exceptionHandler);
long threadIndex = _threadNameIndex.getAndIncrement();
Thread outputThread = new Thread(outputHandler, "QpidConnectionOutputThread-"+threadIndex);
outputThread.setDaemon(true);
outputThread.start();
conn.setFrameOutputHandler(out);
final ConnectionHandler handler = new ConnectionHandler(conn);
final InputStream inputStream = _socket.getInputStream();
Thread inputThread = new Thread(new Runnable()
{
public void run()
{
try
{
doRead(conn, handler, inputStream);
}
finally
{
if(conn.closedForInput() && conn.closedForOutput())
{
close();
}
}
}
},"QpidConnectionInputThread-"+threadIndex);
inputThread.setDaemon(true);
inputThread.start();
}
catch (IOException e)
{
throw new ConnectionException(e);
}
}
@Override
public void close()
{
try
{
_socket.close();
}
catch (IOException e)
{
RAW_LOGGER.log(Level.WARNING, "Unexpected Error during TCPTransportProvider socket close", e);
}
}
private void doRead(final ConnectionEndpoint conn, final ConnectionHandler handler, final InputStream inputStream)
{
byte[] buf = new byte[2<<15];
try
{
int read;
boolean done = false;
long lastReadTime = System.currentTimeMillis();
while(!handler.isDone())
{
try
{
read = inputStream.read(buf);
if(read == -1)
{
break;
}
lastReadTime = System.currentTimeMillis();
ByteBuffer bbuf = ByteBuffer.wrap(buf, 0, read);
while(bbuf.hasRemaining() && !handler.isDone())
{
handler.parse(bbuf);
}
}
catch(SocketTimeoutException e)
{
// Note that a SocketTimeoutException could only occur if _readTimeout > 0.
// Only perform idle read timeout checking if _readIdleTimeout is greater than -1
if(_readIdleTimeout > -1 && (System.currentTimeMillis() - lastReadTime >= _readIdleTimeout)){
// break out of while loop and close down connection
break;
}
}
}
if(!handler.isDone())
{
conn.inputClosed();
if(conn.getConnectionEventListener() != null)
{
conn.getConnectionEventListener().closeReceived();
}
}
}
catch (IOException e)
{
conn.inputClosed();
e.printStackTrace();
}
}
}
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