1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.qpid.server.jmx;
import java.io.IOException;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.ServiceLoader;
import javax.management.JMException;
import javax.management.StandardMBean;
import org.apache.commons.configuration.ConfigurationException;
import org.apache.log4j.Logger;
import org.apache.qpid.AMQException;
import org.apache.qpid.server.jmx.mbeans.LoggingManagementMBean;
import org.apache.qpid.server.jmx.mbeans.UserManagementMBean;
import org.apache.qpid.server.jmx.mbeans.ConfigurationManagementMBean;
import org.apache.qpid.server.jmx.mbeans.ServerInformationMBean;
import org.apache.qpid.server.jmx.mbeans.Shutdown;
import org.apache.qpid.server.jmx.mbeans.VirtualHostMBean;
import org.apache.qpid.server.logging.log4j.LoggingFacade;
import org.apache.qpid.server.model.Broker;
import org.apache.qpid.server.model.ConfigurationChangeListener;
import org.apache.qpid.server.model.ConfiguredObject;
import org.apache.qpid.server.model.PasswordCredentialManagingAuthenticationProvider;
import org.apache.qpid.server.model.State;
import org.apache.qpid.server.model.VirtualHost;
import org.apache.qpid.server.registry.ApplicationRegistry;
public class JMXService implements ConfigurationChangeListener
{
private static final ClassLoader BUNDLE_CLASSLOADER = JMXService.class.getClassLoader();
private static final Logger LOGGER = Logger.getLogger(JMXService.class);
private final Broker _broker;
private final JMXManagedObjectRegistry _objectRegistry;
private final Shutdown _shutdown;
private final ServerInformationMBean _serverInfo;
private final ConfigurationManagementMBean _configManagement;
private final LoggingManagementMBean _loggingManagement;
private final Map<ConfiguredObject, AMQManagedObject> _children = new HashMap<ConfiguredObject, AMQManagedObject>();
public JMXService() throws AMQException, JMException
{
_broker = ApplicationRegistry.getInstance().getBroker();
_objectRegistry = new JMXManagedObjectRegistry();
_broker.addChangeListener(this);
synchronized (_children)
{
for(VirtualHost virtualHost : _broker.getVirtualHosts())
{
if(!_children.containsKey(virtualHost))
{
_children.put(virtualHost, new VirtualHostMBean(virtualHost, _objectRegistry));
}
}
}
_shutdown = new Shutdown(_objectRegistry);
_serverInfo = new ServerInformationMBean(_objectRegistry, _broker);
_configManagement = new ConfigurationManagementMBean(_objectRegistry);
_loggingManagement = new LoggingManagementMBean(LoggingFacade.getCurrentInstance(), _objectRegistry);
}
public void start() throws IOException, ConfigurationException
{
_objectRegistry.start();
}
public void close()
{
_broker.removeChangeListener(this);
_objectRegistry.close();
}
public void stateChanged(ConfiguredObject object, State oldState, State newState)
{
}
public void childAdded(ConfiguredObject object, ConfiguredObject child)
{
synchronized (_children)
{
try
{
AMQManagedObject mbean;
if(child instanceof VirtualHost)
{
VirtualHost vhostChild = (VirtualHost)child;
mbean = new VirtualHostMBean(vhostChild, _objectRegistry);
}
else if(child instanceof PasswordCredentialManagingAuthenticationProvider)
{
mbean = new UserManagementMBean((PasswordCredentialManagingAuthenticationProvider) child, _objectRegistry);
}
else
{
mbean = null;
}
if (mbean != null)
{
createAdditionalMBeansFromProviders(child, mbean);
}
}
catch(JMException e)
{
LOGGER.error("Error creating mbean", e);
// TODO - Implement error reporting on mbean creation
}
}
}
public void childRemoved(ConfiguredObject object, ConfiguredObject child)
{
// TODO - implement vhost removal (possibly just removing the instanceof check below)
synchronized (_children)
{
if(child instanceof PasswordCredentialManagingAuthenticationProvider)
{
AMQManagedObject mbean = _children.remove(child);
if(mbean != null)
{
try
{
mbean.unregister();
}
catch(JMException e)
{
LOGGER.error("Error creating mbean", e);
//TODO - report error on removing child MBean
}
}
}
}
}
private void createAdditionalMBeansFromProviders(ConfiguredObject child, AMQManagedObject mbean) throws JMException
{
_children.put(child, mbean);
for (Iterator<MBeanProvider> iterator = getMBeanProviderIterator(); iterator.hasNext();)
{
MBeanProvider provider = iterator.next();
LOGGER.debug("Consulting mbean provider : " + provider + " for child : " + child);
if (provider.isChildManageableByMBean(child))
{
LOGGER.debug("Provider will create mbean ");
StandardMBean bean = provider.createMBean(child, mbean);
// TODO track the mbeans that have been created on behalf of a child in a map, then
// if the child is ever removed, destroy these beans too.
}
}
}
/**
* Finds all classes implementing the {@link MBeanProvider} interface. This will find
* <b>only</b> those classes which are visible to the classloader of this OSGI bundle.
*/
private Iterator<MBeanProvider> getMBeanProviderIterator()
{
return ServiceLoader.load(MBeanProvider.class, BUNDLE_CLASSLOADER).iterator();
}
}
|
