Coverage Report - com.sun.grizzly.ReadController
 
Classes in this File Line Coverage Branch Coverage Complexity
ReadController
84 %
27/32
64 %
9/14
0
 
 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;
 40  
 
 41  
 import java.io.IOException;
 42  
 import java.nio.channels.SelectableChannel;
 43  
 import java.nio.channels.SelectionKey;
 44  
 import java.util.Iterator;
 45  
 import java.util.concurrent.atomic.AtomicInteger;
 46  
 
 47  
 /**
 48  
  * ReadController class represents {@link Controller},
 49  
  * which is not itself independent.
 50  
  *
 51  
  * Should be used for handling OP_READ operations
 52  
  * Supports TCP derived protocols
 53  
  *
 54  
  * @author Alexey Stashok
 55  
  */
 56  17
 public class ReadController extends Controller {
 57  
 
 58  
     /**
 59  
      * Gets {@link SelectorHandler}'s clone, registered 
 60  
      * on this{@link ReadController}
 61  
      * 
 62  
      * @param selectorHandler original {@link SelectorHandler}
 63  
      * @return passed {@link SelectorHandler} clone, registered 
 64  
      *          on this{@link ReadController}
 65  
      */
 66  
     public SelectorHandler getSelectorHandlerClone(SelectorHandler selectorHandler) {
 67  30
         Iterator<SelectorHandler> it = selectorHandlers.iterator();
 68  32
         while(it.hasNext()) {
 69  30
             SelectorHandler cloneSelectorHandler = it.next();
 70  30
             if (cloneSelectorHandler.getStateHolder() == selectorHandler.getStateHolder()) {
 71  28
                 return cloneSelectorHandler;
 72  
             }
 73  2
         }
 74  
         
 75  2
         return null;
 76  
     }
 77  
 
 78  
     
 79  
     /**
 80  
      * Removes {@link SelectorHandler}'s clone, registered 
 81  
      * on this{@link ReadController}
 82  
      * 
 83  
      * @param selectorHandler
 84  
      */
 85  
     public void removeSelectorHandlerClone(SelectorHandler selectorHandler) {
 86  0
          SelectorHandler cloneSelectorHandler = getSelectorHandlerClone(selectorHandler);
 87  0
          if (cloneSelectorHandler != null) {
 88  0
                 removeSelectorHandler(cloneSelectorHandler);
 89  
         }
 90  0
     }
 91  
     
 92  
     /**
 93  
      * Add a {@link Channel}
 94  
      * to be processed by{@link ReadController}'s
 95  
      * {@link SelectorHandler}
 96  
      *
 97  
      * @param channel new channel to be managed by ReadController
 98  
      * @param protocol name of the protocol channel corresponds to
 99  
      */
 100  
     public void addChannel(SelectableChannel channel, SelectorHandler selectorHandler) {
 101  30
         selectorHandler.register(channel, SelectionKey.OP_READ);
 102  30
     }
 103  
     
 104  
     /**
 105  
      * Start the Controller. If the Pipeline and/or Handler has not been
 106  
      * defined, the default will be used.
 107  
      */
 108  
     @Override
 109  
     public void start() throws IOException {
 110  17
         notifyStarted();
 111  
 
 112  17
         int selectorHandlerCount = selectorHandlers.size();
 113  17
         readySelectorHandlerCounter = new AtomicInteger(selectorHandlerCount);
 114  17
         stoppedSelectorHandlerCounter = new AtomicInteger(selectorHandlerCount);
 115  
 
 116  17
         for (SelectorHandler selectorHandler : selectorHandlers) {
 117  17
             Runnable selectorRunner = new SelectorHandlerRunner(this, selectorHandler);
 118  
             // check if there is java.nio.Selector already open,
 119  
             // if so, just notify the controller onReady() listeners
 120  17
             if (selectorHandler.getSelector() != null) {
 121  17
                 notifyReady();
 122  
             }
 123  
 
 124  17
             if (selectorHandlerCount > 1) {
 125  
                 // if there are more than 1 selector handler - run it in separate thread
 126  0
                 new Thread(selectorRunner, "GrizzlySelectorRunner-read-" + selectorHandler.protocol()).start();
 127  
             } else {
 128  
                 // else run it in current thread
 129  17
                 selectorRunner.run();
 130  
             }
 131  17
         }
 132  
 
 133  17
         waitUntilSeletorHandlersStop();
 134  17
         selectorHandlers.clear();
 135  17
     }
 136  
 
 137  
     /**
 138  
      * {@inheritDoc}
 139  
      */
 140  
     @Override
 141  
     public void stop() throws IOException {
 142  17
         if (stoppedSelectorHandlerCounter != null) {
 143  17
             waitUntilSeletorHandlersStop();
 144  
         }
 145  17
     }
 146  
 }