Coverage Report - com.sun.grizzly.async.TCPAsyncQueueReader
 
Classes in this File Line Coverage Branch Coverage Complexity
TCPAsyncQueueReader
88 %
22/25
64 %
14/22
4
 
 1  
 /*
 2  
  * 
 3  
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 4  
  * 
 5  
  * Copyright 2007-2008 Sun Microsystems, Inc. All rights reserved.
 6  
  * 
 7  
  * The contents of this file are subject to the terms of either the GNU
 8  
  * General Public License Version 2 only ("GPL") or the Common Development
 9  
  * and Distribution License("CDDL") (collectively, the "License").  You
 10  
  * may not use this file except in compliance with the License. You can obtain
 11  
  * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
 12  
  * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
 13  
  * language governing permissions and limitations under the License.
 14  
  * 
 15  
  * When distributing the software, include this License Header Notice in each
 16  
  * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
 17  
  * Sun designates this particular file as subject to the "Classpath" exception
 18  
  * as provided by Sun in the GPL Version 2 section of the License file that
 19  
  * accompanied this code.  If applicable, add the following below the License
 20  
  * Header, with the fields enclosed by brackets [] replaced by your own
 21  
  * identifying information: "Portions Copyrighted [year]
 22  
  * [name of copyright owner]"
 23  
  * 
 24  
  * Contributor(s):
 25  
  * 
 26  
  * If you wish your version of this file to be governed by only the CDDL or
 27  
  * only the GPL Version 2, indicate your decision by adding "[Contributor]
 28  
  * elects to include this software in this distribution under the [CDDL or GPL
 29  
  * Version 2] license."  If you don't indicate a single choice of license, a
 30  
  * recipient has the option to distribute your version of this file under
 31  
  * either the CDDL, the GPL Version 2 or to extend the choice of license to
 32  
  * its licensees as provided above.  However, if you add GPL Version 2 code
 33  
  * and therefore, elected the GPL Version 2 license, then the option applies
 34  
  * only if the new code is made subject to such option by the copyright
 35  
  * holder.
 36  
  *
 37  
  */
 38  
 
 39  
 package com.sun.grizzly.async;
 40  
 
 41  
 import com.sun.grizzly.SelectorHandler;
 42  
 import java.io.EOFException;
 43  
 import java.io.IOException;
 44  
 import java.net.SocketAddress;
 45  
 import java.nio.ByteBuffer;
 46  
 import java.nio.channels.ReadableByteChannel;
 47  
 import java.nio.channels.SocketChannel;
 48  
 
 49  
 /**
 50  
  *
 51  
  * @author Alexey Stashok
 52  
  */
 53  
 public class TCPAsyncQueueReader extends AbstractAsyncQueueReader {
 54  
     public TCPAsyncQueueReader(SelectorHandler selectorHandler) {
 55  130
         super(selectorHandler);
 56  130
     }
 57  
 
 58  
     protected SocketAddress doRead(ReadableByteChannel channel, ByteBuffer byteBuffer, 
 59  
             AsyncQueueDataProcessor readPostProcessor) throws IOException {
 60  308679
         if (readPostProcessor != null) {
 61  150279
             ByteBuffer inputByteBuffer = null;
 62  150279
             int oldPosition = byteBuffer.position();
 63  
             
 64  
             do {
 65  150279
                 inputByteBuffer = readPostProcessor.getInternalByteBuffer();
 66  150279
                 int readBytes = doRead(channel, inputByteBuffer);
 67  150279
                 if (readBytes > 0) {
 68  8569
                     readPostProcessor.process(byteBuffer);
 69  141710
                 } else if (readBytes == -1) { 
 70  0
                     if (byteBuffer.position() == oldPosition) {
 71  0
                         throw new EOFException();
 72  
                     } else {
 73  
                         break;
 74  
                     }
 75  
                 }
 76  150279
             } while(byteBuffer.hasRemaining() && 
 77  
                     !inputByteBuffer.hasRemaining());
 78  150279
         } else {
 79  158400
             doRead(channel, byteBuffer);
 80  
         }
 81  
         
 82  308679
         return ((SocketChannel) channel).socket().getRemoteSocketAddress();
 83  
     }
 84  
     
 85  
     private int doRead(ReadableByteChannel channel, ByteBuffer byteBuffer) 
 86  
             throws IOException {
 87  308679
         int readBytes = 0;
 88  308679
         int lastReadBytes = 0;
 89  
         do {
 90  324647
             lastReadBytes = channel.read(byteBuffer);
 91  324647
             if (lastReadBytes > 0) {
 92  16068
                 readBytes += lastReadBytes;
 93  308579
             } else if (lastReadBytes == -1 && readBytes == 0) {
 94  0
                 readBytes = -1;
 95  
             }
 96  
             
 97  324647
         } while(lastReadBytes > 0 && byteBuffer.hasRemaining());
 98  
         
 99  308679
         return readBytes;
 100  
     }
 101  
 }