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1   /*
2    *  Licensed to the Apache Software Foundation (ASF) under one
3    *  or more contributor license agreements.  See the NOTICE file
4    *  distributed with this work for additional information
5    *  regarding copyright ownership.  The ASF licenses this file
6    *  to you under the Apache License, Version 2.0 (the
7    *  "License"); you may not use this file except in compliance
8    *  with the License.  You may obtain a copy of the License at
9    *  
10   *    http://www.apache.org/licenses/LICENSE-2.0
11   *  
12   *  Unless required by applicable law or agreed to in writing,
13   *  software distributed under the License is distributed on an
14   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   *  KIND, either express or implied.  See the License for the
16   *  specific language governing permissions and limitations
17   *  under the License. 
18   *  
19   */
20  package org.apache.mina.integration.jmx;
21  
22  import java.net.SocketAddress;
23  import java.util.Iterator;
24  
25  import org.apache.mina.common.IoService;
26  import org.apache.mina.common.IoSession;
27  import org.apache.mina.management.StatCollector;
28  
29  /**
30   * @author The Apache Directory Project (mina-dev@directory.apache.org)
31   * @version $Rev: 555855 $, $Date: 2007-07-13 12:19:00 +0900 (Fri, 13 Jul 2007) $
32   */
33  public class IoServiceManager implements IoServiceManagerMBean {
34      private IoService service;
35  
36      private StatCollector collector = null;
37  
38      public IoServiceManager(IoService service) {
39          this.service = service;
40      }
41  
42      public int getManagedSessionCount() {
43  
44          int count = 0;
45          for (Iterator iter = service.getManagedServiceAddresses().iterator(); iter
46                  .hasNext();) {
47              SocketAddress element = (SocketAddress) iter.next();
48  
49              count += service.getManagedSessions(element).size();
50          }
51          return count;
52      }
53  
54      public void startCollectingStats(int millisecondsPolling) {
55          if (collector != null && collector.isRunning()) {
56              throw new RuntimeException("Already collecting stats");
57          }
58  
59          collector = new StatCollector(service, millisecondsPolling);
60          collector.start();
61  
62      }
63  
64      public void stopCollectingStats() {
65          if (collector != null && collector.isRunning())
66              collector.stop();
67  
68      }
69  
70      public float getTotalByteReadThroughput() {
71          return collector.getBytesReadThroughput();
72      }
73  
74      public float getTotalByteWrittenThroughput() {
75          return collector.getBytesWrittenThroughput();
76      }
77  
78      public float getTotalMessageReadThroughput() {
79          return collector.getMsgReadThroughput();
80      }
81  
82      public float getTotalMessageWrittenThroughput() {
83          return collector.getMsgWrittenThroughput();
84      }
85  
86      public float getAverageByteReadThroughput() {
87          return collector.getBytesReadThroughput() / collector.getSessionCount();
88      }
89  
90      public float getAverageByteWrittenThroughput() {
91          return collector.getBytesWrittenThroughput()
92                  / collector.getSessionCount();
93      }
94  
95      public float getAverageMessageReadThroughput() {
96          return collector.getMsgReadThroughput() / collector.getSessionCount();
97      }
98  
99      public float getAverageMessageWrittenThroughput() {
100         return collector.getMsgWrittenThroughput()
101                 / collector.getSessionCount();
102     }
103 
104     public void closeAllSessions() {
105         for (Iterator iter = service.getManagedServiceAddresses().iterator(); iter
106                 .hasNext();) {
107             SocketAddress element = (SocketAddress) iter.next();
108 
109             for (Iterator iter2 = service.getManagedSessions(element)
110                     .iterator(); iter2.hasNext();) {
111                 IoSession session = (IoSession) iter2.next();
112                 session.close();
113             }
114         }
115 
116     }
117 }