Clover coverage report - ActiveIO - 1.0
Coverage timestamp: Fri Apr 22 2005 14:27:22 PDT
file stats: LOC: 132   Methods: 7
NCLOC: 65   Classes: 1
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 Source file Conditionals Statements Methods TOTAL
NIOAsynchChannelFactory.java 50% 83.3% 71.4% 77.1%
coverage coverage
 1   
 /** 
 2   
  * 
 3   
  * Copyright 2004 Hiram Chirino
 4   
  * 
 5   
  * Licensed under the Apache License, Version 2.0 (the "License"); 
 6   
  * you may not use this file except in compliance with the License. 
 7   
  * You may obtain a copy of the License at 
 8   
  * 
 9   
  * http://www.apache.org/licenses/LICENSE-2.0
 10   
  * 
 11   
  * Unless required by applicable law or agreed to in writing, software
 12   
  * distributed under the License is distributed on an "AS IS" BASIS, 
 13   
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
 14   
  * See the License for the specific language governing permissions and 
 15   
  * limitations under the License. 
 16   
  * 
 17   
  **/
 18   
 package org.activeio.net;
 19   
 
 20   
 import java.io.IOException;
 21   
 import java.net.InetAddress;
 22   
 import java.net.InetSocketAddress;
 23   
 import java.net.URI;
 24   
 import java.net.URISyntaxException;
 25   
 import java.nio.channels.ServerSocketChannel;
 26   
 import java.nio.channels.SocketChannel;
 27   
 
 28   
 import org.activeio.AsynchChannel;
 29   
 import org.activeio.AsynchChannelFactory;
 30   
 import org.activeio.AsynchChannelServer;
 31   
 import org.activeio.adapter.SynchToAsynchChannelServerAdapter;
 32   
 import org.activeio.filter.WriteBufferedAsynchChannel;
 33   
 import org.activeio.packet.ByteBufferPacket;
 34   
 
 35   
 /**
 36   
  * A TcpAsynchChannelFactory creates {@see org.activeio.net.TcpAsynchChannel}
 37   
  * and {@see org.activeio.net.TcpAsynchChannelServer} objects.
 38   
  * 
 39   
  * @version $Revision$
 40   
  */
 41   
 public class NIOAsynchChannelFactory implements AsynchChannelFactory {
 42   
     
 43   
     protected static final int DEFAULT_BUFFER_SIZE = Integer.parseInt(System.getProperty("org.activeio.net.nio.BufferSize", ""+(64*1024)));
 44   
 
 45   
     protected static final int DEFAULT_BACKLOG = 500;
 46   
     boolean useDirectBuffers = true;
 47   
     private final boolean createWriteBufferedChannels;
 48   
     private int backlog = DEFAULT_BACKLOG;
 49   
     
 50  2
     public NIOAsynchChannelFactory() {
 51  2
         this(true);
 52   
     }
 53   
     
 54  8
     public NIOAsynchChannelFactory(boolean createWriteBufferedChannels) {
 55  8
         this.createWriteBufferedChannels = createWriteBufferedChannels;
 56   
     }
 57   
     
 58   
     
 59   
     /**
 60   
      * Uses the {@param location}'s host and port to create a tcp connection to a remote host.
 61   
      * 
 62   
      * @see org.activeio.AsynchChannelFactory#openAsynchChannel(java.net.URI)
 63   
      */
 64  8
     public AsynchChannel openAsynchChannel(URI location) throws IOException {
 65  8
         SocketChannel channel = SocketChannel.open();
 66  8
         channel.connect(new InetSocketAddress(location.getHost(), location.getPort()));
 67  8
         return createAsynchChannel(channel);
 68   
     }
 69   
 
 70   
     /**
 71   
      * @param channel
 72   
      * @return
 73   
      * @throws IOException
 74   
      */
 75  8
     protected AsynchChannel createAsynchChannel(SocketChannel socketChannel) throws IOException {
 76  8
         AsynchChannel channel = new NIOAsynchChannel(socketChannel, useDirectBuffers);
 77  8
         if( createWriteBufferedChannels ) {
 78  8
             channel = new WriteBufferedAsynchChannel(channel, ByteBufferPacket.createDefaultBuffer(useDirectBuffers), false);
 79   
         }
 80  8
         return channel;
 81   
     }
 82   
 
 83   
     /**
 84   
      * Binds a server socket a the {@param location}'s port. 
 85   
      * 
 86   
      * @see org.activeio.AsynchChannelFactory#bindAsynchChannel(java.net.URI)
 87   
      */
 88  8
     public AsynchChannelServer bindAsynchChannel(URI bindURI) throws IOException {
 89   
         
 90  8
         String host = bindURI.getHost();
 91  8
         InetSocketAddress address;
 92  8
         if ( host == null || host.length() == 0 || host.equals("localhost") || host.equals("0.0.0.0") ) {
 93  8
             address = new InetSocketAddress(bindURI.getPort());
 94   
         } else {
 95  0
             address = new InetSocketAddress(bindURI.getHost(), bindURI.getPort());
 96   
         }
 97   
         
 98  8
         ServerSocketChannel serverSocketChannel = ServerSocketChannel.open();
 99  8
         serverSocketChannel.socket().bind(address,backlog);
 100   
         
 101  8
         URI connectURI = bindURI;
 102  8
         try {
 103  8
             connectURI = URISupport.changeHost(connectURI, InetAddress.getLocalHost().getHostName());
 104  8
             connectURI = URISupport.changePort(connectURI, serverSocketChannel.socket().getLocalPort());
 105   
         } catch (URISyntaxException e) {
 106  0
             throw (IOException)new IOException("Could not build connect URI: "+e).initCause(e);
 107   
         }
 108   
         
 109   
         // We won't use non blocking NIO for the server since you only need 1 thread for him anyways.
 110   
         // Just resuing the SocketChannelSynchChannelServer.
 111  8
         return SynchToAsynchChannelServerAdapter.adapt( 
 112   
                 new NIOAsynchChannelServer(serverSocketChannel, bindURI, connectURI, createWriteBufferedChannels, useDirectBuffers));
 113   
     }
 114   
     
 115   
     /**
 116   
      * @return Returns the backlog.
 117   
      */
 118  0
     public int getBacklog() {
 119  0
         return backlog;
 120   
     }
 121   
 
 122   
     /**
 123   
      * @param backlog
 124   
      *            The backlog to set.
 125   
      */
 126  0
     public void setBacklog(int backlog) {
 127  0
         this.backlog = backlog;
 128   
     }
 129   
 
 130   
 
 131   
 }
 132