| 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.EOFException; |
| 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 java.util.concurrent.atomic.AtomicInteger; |
| |
| 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<Integer,NioSender> _handlers = new ConcurrentHashMap<Integer,NioSender>(); |
| private AtomicInteger _count = new AtomicInteger(); |
| |
| 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); |
| |
| con.setConnectionId(_count.incrementAndGet()); |
| _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(); |
| } |
| |
| |
| } |