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   1 /*
   2  * Copyright (c) 2001-2007 Sun Microsystems, Inc.  All rights reserved.
   3  *
   4  *  The Sun Project JXTA(TM) Software License
   5  *
   6  *  Redistribution and use in source and binary forms, with or without
   7  *  modification, are permitted provided that the following conditions are met:
   8  *
   9  *  1. Redistributions of source code must retain the above copyright notice,
  10  *     this list of conditions and the following disclaimer.
  11  *
  12  *  2. Redistributions in binary form must reproduce the above copyright notice,
  13  *     this list of conditions and the following disclaimer in the documentation
  14  *     and/or other materials provided with the distribution.
  15  *
  16  *  3. The end-user documentation included with the redistribution, if any, must
  17  *     include the following acknowledgment: "This product includes software
  18  *     developed by Sun Microsystems, Inc. for JXTA(TM) technology."
  19  *     Alternately, this acknowledgment may appear in the software itself, if
  20  *     and wherever such third-party acknowledgments normally appear.
  21  *
  22  *  4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA" must
  23  *     not be used to endorse or promote products derived from this software
  24  *     without prior written permission. For written permission, please contact
  25  *     Project JXTA at http://www.jxta.org.
  26  *
  27  *  5. Products derived from this software may not be called "JXTA", nor may
  28  *     "JXTA" appear in their name, without prior written permission of Sun.
  29  *
  30  *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
  31  *  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
  32  *  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SUN
  33  *  MICROSYSTEMS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  34  *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  35  *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
  36  *  OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  37  *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  38  *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
  39  *  EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  40  *
  41  *  JXTA is a registered trademark of Sun Microsystems, Inc. in the United
  42  *  States and other countries.
  43  *
  44  *  Please see the license information page at :
  45  *  <http://www.jxta.org/project/www/license.html> for instructions on use of
  46  *  the license in source files.
  47  *
  48  *  ====================================================================
  49  *
  50  *  This software consists of voluntary contributions made by many individuals
  51  *  on behalf of Project JXTA. For more information on Project JXTA, please see
  52  *  http://www.jxta.org.
  53  *
  54  *  This license is based on the BSD license adopted by the Apache Foundation.
  55  */
  56
  57 package net.jxta.impl.resolver.resolverMeter;
  58
  59
  60 import net.jxta.meter.*;
  61 import net.jxta.impl.meter.*;
  62 import java.util.*;
  63
  64
  65 /**
  66  * The Service Monitor Metric for the standard Resolver Service
  67  **/
  68 public class ResolverServiceMonitor extends GenericServiceMonitor {
  69     public static final String UNKNOWN_HANDLER = "--UNKNOWN-HANDLER--";
  70
  71     private Hashtable queryHandlerMeters = new Hashtable();
  72     private Hashtable srdiHandlerMeters = new Hashtable();
  73     private Hashtable destinationMeters = new Hashtable();
  74     private Hashtable sourceMeters = new Hashtable();
  75
  76     private ResolverMeter resolverMeter = new ResolverMeter(this);
  77
  78     private ResolverServiceMetric cumulativeResolverServiceMetric;
  79
  80     @Override
  81     protected void init() {
  82         cumulativeResolverServiceMetric = (ResolverServiceMetric) getCumulativeServiceMetric();
  83         cumulativeResolverServiceMetric.setResolverMetric(resolverMeter.getCumulativeMetrics());
  84     }
  85
  86     public ResolverMeter getResolverMeter() {
  87         return resolverMeter;
  88     }
  89
  90     public synchronized QueryHandlerMeter registerQueryHandlerMeter(String handlerName) {
  91         QueryHandlerMeter queryHandlerMeter = (QueryHandlerMeter) queryHandlerMeters.get(handlerName);
  92
  93         if (queryHandlerMeter == null) {
  94             queryHandlerMeter = addQueryHandlerMeter(handlerName, true);
  95         }
  96
  97         queryHandlerMeter.setRegistered(true);
  98
  99         return queryHandlerMeter;
 100     }
 101
 102     public synchronized QueryHandlerMeter addQueryHandlerMeter(String handlerName, boolean registered) {
 103         QueryHandlerMeter queryHandlerMeter = new QueryHandlerMeter(handlerName, this);
 104
 105         queryHandlerMeters.put(handlerName, queryHandlerMeter);
 106         cumulativeResolverServiceMetric.addQueryHandlerMetric(queryHandlerMeter.getCumulativeMetrics());
 107         queryHandlerMeter.setRegistered(registered);
 108
 109         return queryHandlerMeter;
 110     }
 111
 112     public synchronized QueryHandlerMeter unregisterQueryHandlerMeter(String handlerName) {
 113         QueryHandlerMeter queryHandlerMeter = getQueryHandlerMeter(handlerName);
 114
 115         queryHandlerMeter.setRegistered(false);
 116
 117         return queryHandlerMeter;
 118     }
 119
 120     public QueryHandlerMeter getQueryHandlerMeter(String handlerName) {
 121         QueryHandlerMeter queryHandlerMeter = (QueryHandlerMeter) queryHandlerMeters.get(handlerName);
 122
 123         if (queryHandlerMeter == null) {
 124             queryHandlerMeter = addQueryHandlerMeter(handlerName, false);
 125         }
 126
 127         return queryHandlerMeter;
 128     }
 129
 130     public synchronized SrdiHandlerMeter registerSrdiHandlerMeter(String handlerName) {
 131         SrdiHandlerMeter srdiHandlerMeter = (SrdiHandlerMeter) srdiHandlerMeters.get(handlerName);
 132
 133         if (srdiHandlerMeter == null) {
 134             srdiHandlerMeter = addSrdiHandlerMeter(handlerName, true);
 135         }
 136
 137         srdiHandlerMeter.setRegistered(true);
 138
 139         return srdiHandlerMeter;
 140     }
 141
 142     public synchronized SrdiHandlerMeter addSrdiHandlerMeter(String handlerName, boolean registered) {
 143         SrdiHandlerMeter srdiHandlerMeter = new SrdiHandlerMeter(handlerName);
 144
 145         srdiHandlerMeters.put(handlerName, srdiHandlerMeter);
 146         cumulativeResolverServiceMetric.addSrdiHandlerMetric(srdiHandlerMeter.getCumulativeMetrics());
 147         srdiHandlerMeter.setRegistered(registered);
 148
 149         return srdiHandlerMeter;
 150     }
 151
 152     public synchronized SrdiHandlerMeter unregisterSrdiHandlerMeter(String handlerName) {
 153         SrdiHandlerMeter srdiHandlerMeter = getSrdiHandlerMeter(handlerName);
 154
 155         srdiHandlerMeter.setRegistered(false);
 156
 157         return srdiHandlerMeter;
 158     }
 159
 160     public SrdiHandlerMeter getSrdiHandlerMeter(String handlerName) {
 161         SrdiHandlerMeter srdiHandlerMeter = (SrdiHandlerMeter) srdiHandlerMeters.get(handlerName);
 162
 163         if (srdiHandlerMeter == null) {
 164             srdiHandlerMeter = addSrdiHandlerMeter(handlerName, false);
 165         }
 166
 167         return srdiHandlerMeter;
 168     }
 169
 170     @Override
 171     protected ServiceMetric collectServiceMetrics() {
 172         ResolverServiceMetric resolverServiceMetric = (ResolverServiceMetric) createServiceMetric();
 173
 174         boolean anyData = false;
 175
 176         for (Enumeration e = queryHandlerMeters.elements(); e.hasMoreElements();) {
 177             QueryHandlerMeter queryHandlerMeter = (QueryHandlerMeter) e.nextElement();
 178             QueryHandlerMetric queryHandlerMetric = queryHandlerMeter.collectMetrics(); // clears delta from meter
 179
 180             if (queryHandlerMetric != null) {
 181                 resolverServiceMetric.addQueryHandlerMetric(queryHandlerMetric);
 182                 anyData = true;
 183             }
 184         }
 185
 186         for (Enumeration e = srdiHandlerMeters.elements(); e.hasMoreElements();) {
 187             SrdiHandlerMeter srdiHandlerMeter = (SrdiHandlerMeter) e.nextElement();
 188             SrdiHandlerMetric srdiHandlerMetric = srdiHandlerMeter.collectMetrics(); // clears delta from meter
 189
 190             if (srdiHandlerMetric != null) {
 191                 resolverServiceMetric.addSrdiHandlerMetric(srdiHandlerMetric);
 192                 anyData = true;
 193             }
 194         }
 195
 196         ResolverMetric resolverMetric = resolverMeter.collectMetrics();
 197
 198         if (resolverMetric != null) {
 199             resolverServiceMetric.setResolverMetric(resolverMetric);
 200             anyData = true;
 201         }
 202
 203         if (anyData) {
 204             return resolverServiceMetric;
 205         } else {
 206             return null;
 207         }
 208     }
 209
 210     @Override
 211     public ServiceMetric getServiceMetric(ServiceMonitorFilter serviceMonitorFilter, long fromTime, long toTime, int pulseIndex, long reportRate) {
 212         int deltaReportRateIndex = monitorManager.getReportRateIndex(reportRate);
 213         ResolverServiceMetric origMetric = (ResolverServiceMetric) deltaServiceMetrics[deltaReportRateIndex];
 214
 215         if (origMetric == null) {
 216             return null;
 217         }
 218
 219         ResolverServiceMonitorFilter resolverServiceMonitorFilter = (ResolverServiceMonitorFilter) serviceMonitorFilter;
 220
 221         return origMetric.shallowCopy(resolverServiceMonitorFilter);
 222     }
 223
 224     @Override
 225     public ServiceMetric getCumulativeServiceMetric(ServiceMonitorFilter serviceMonitorFilter, long fromTime, long toTime) {
 226         ResolverServiceMonitorFilter resolverServiceMonitorFilter = (ResolverServiceMonitorFilter) serviceMonitorFilter;
 227         ResolverServiceMetric origMetric = (ResolverServiceMetric) cumulativeServiceMetric;
 228
 229         return origMetric.deepCopy(resolverServiceMonitorFilter);
 230     }
 231
 232     /*
 233      private ResolverServiceMetric copy(ResolverServiceMetric origMetric) {
 234      ResolverServiceMetric resolverServiceMetric = new ResolverServiceMetric();
 235
 236      for (Iterator i = origMetric.getQueryHandlerMetrics(); i.hasNext(); ) {
 237      QueryHandlerMetric queryHandlerMetric = (QueryHandlerMetric)i.next();
 238      resolverServiceMetric.addQueryHandlerMetric(queryHandlerMetric);
 239      }
 240
 241      for (Iterator i = origMetric.getSrdiHandlerMetrics(); i.hasNext(); ) {
 242      SrdiHandlerMetric srdiHandlerMetric = (SrdiHandlerMetric)i.next();
 243      resolverServiceMetric.addSrdiHandlerMetric(srdiHandlerMetric);
 244      }
 245
 246      return resolverServiceMetric;
 247      }
 248      */
 249 }