PWCKeepAliveStats


1   /*
2    * The contents of this file are subject to the terms 
3    * of the Common Development and Distribution License 
4    * (the License).  You may not use this file except in
5    * compliance with the License.
6    * 
7    * You can obtain a copy of the license at 
8    * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9    * glassfish/bootstrap/legal/CDDLv1.0.txt.
10   * See the License for the specific language governing 
11   * permissions and limitations under the License.
12   * 
13   * When distributing Covered Code, include this CDDL 
14   * Header Notice in each file and include the License file 
15   * at glassfish/bootstrap/legal/CDDLv1.0.txt.  
16   * If applicable, add the following below the CDDL Header, 
17   * with the fields enclosed by brackets [] replaced by
18   * you own identifying information: 
19   * "Portions Copyrighted [year] [name of copyright owner]"
20   * 
21   * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22   */
23  
24  /*
25   * Copyright 2004-2005 Sun Microsystems, Inc.  All rights reserved.
26   * Use is subject to license terms.
27   */
28  
29  /*
30   * PWCKeepAliveStats.java
31   *
32   * Created on April 2, 2004, 10:33 AM
33   */
34  
35  package com.sun.enterprise.admin.monitor.stats;
36  
37  /**
38   *
39   * @author  nsegura
40   */
41  
42  import javax.management.j2ee.statistics.Stats  ;
43  import javax.management.j2ee.statistics.CountStatistic  ;
44  
45  /** 
46   * Provides statistical information about the HttpService HTTP-level keep-alive
47   * system
48   */
49  public interface PWCKeepAliveStats extends Stats   {
50      
51      /** 
52       * Number of connections in keep-alive mode
53       * @return number of connections
54       */    
55      public CountStatistic   getCountConnections();
56      
57      /** 
58       * Maximum number of connections allowed in keep-alive mode simultaneously
59       * @return Max number of connections allowed
60       */    
61      public CountStatistic   getMaxConnections();
62      
63      /** 
64       * The number of times a request was successfully received from a 
65       * connection that had been kept alive
66       * @return hits
67       */    
68      public CountStatistic   getCountHits();
69      
70      /** 
71       * The number of times the server had to close a connection because the
72       * KeepAliveCount exceeded the MaxKeepAliveConnections
73       * @return connections
74       */    
75      public CountStatistic   getCountFlushes();
76      
77      /** 
78       * The number of times the server could not hand off the connection to a 
79       * keep-alive thread, possibly due to too many persistent connections
80       * @return refusals
81       */    
82      public CountStatistic   getCountRefusals();
83      
84      /** 
85       * The number of times the server terminated keep-alive connections as the 
86       * client connections timed out, without any activity
87       * @return connections timed out
88       */    
89      public CountStatistic   getCountTimeouts();
90      
91      /** 
92       * The time (in seconds) before idle keep-alive connections are closed
93       * @return time in seconds
94       */    
95      public CountStatistic   getSecondsTimeouts();
96      
97  }
98
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags