package org.apache.qpid.transport.network.nio;
/*
*
* 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.
*
*/
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.SocketAddress;
import java.net.SocketException;
import java.nio.ByteBuffer;
import java.nio.channels.SocketChannel;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import org.apache.qpid.transport.Connection;
import org.apache.qpid.transport.ConnectionDelegate;
import org.apache.qpid.transport.Receiver;
import org.apache.qpid.transport.network.Assembler;
import org.apache.qpid.transport.network.Disassembler;
import org.apache.qpid.transport.network.InputHandler;
public class NioHandler implements Runnable
{
private Receiver<ByteBuffer> _receiver;
private SocketChannel _ch;
private ByteBuffer _readBuf;
private static Map<Long,NioSender> _handlers = new ConcurrentHashMap<Long,NioSender>();
private NioHandler(){}
public static final Connection connect(String host, int port,
ConnectionDelegate delegate)
{
NioHandler handler = new NioHandler();
return handler.connectInternal(host,port,delegate);
}
private Connection connectInternal(String host, int port,
ConnectionDelegate delegate)
{
try
{
SocketAddress address = new InetSocketAddress(host,port);
_ch = SocketChannel.open();
_ch.socket().setReuseAddress(true);
_ch.configureBlocking(true);
_ch.socket().setTcpNoDelay(true);
if (address != null)
{
_ch.socket().connect(address);
}
while (_ch.isConnectionPending())
{
}
}
catch (SocketException e)
{
e.printStackTrace();
}
catch (IOException e)
{
e.printStackTrace();
}
NioSender sender = new NioSender(_ch);
Connection con = new Connection();
con.setSender(new Disassembler(sender, 64*1024 - 1));
con.setConnectionDelegate(delegate);
_handlers.put(con.getConnectionId(),sender);
_receiver = new InputHandler(new Assembler(con), InputHandler.State.FRAME_HDR);
Thread t = new Thread(this);
t.start();
return con;
}
public void run()
{
_readBuf = ByteBuffer.allocate(512);
long read = 0;
while(_ch.isConnected() && _ch.isOpen())
{
try
{
read = _ch.read(_readBuf);
if (read > 0)
{
_readBuf.flip();
ByteBuffer b = ByteBuffer.allocate(_readBuf.remaining());
b.put(_readBuf);
b.flip();
_readBuf.clear();
_receiver.received(b);
}
}
catch(Exception e)
{
e.printStackTrace();
}
}
//throw new EOFException("The underlying socket/channel has closed");
}
public static void startBatchingFrames(int connectionId)
{
NioSender sender = _handlers.get(connectionId);
sender.setStartBatching();
}
}