author | rraghavan |
Fri, 20 Jan 2017 04:42:29 -0800 | |
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parent 40743 | a775e4de954f |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2003, 2017, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package sun.management; |
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||
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import java.io.BufferedInputStream; |
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import java.io.File; |
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import java.io.FileInputStream; |
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import java.io.FileNotFoundException; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.lang.management.ManagementFactory; |
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import java.lang.reflect.Method; |
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import java.net.InetAddress; |
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import java.net.MalformedURLException; |
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import java.net.UnknownHostException; |
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import java.security.AccessController; |
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import java.security.PrivilegedAction; |
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import java.text.MessageFormat; |
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import java.util.HashMap; |
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import java.util.Map; |
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import java.util.MissingResourceException; |
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import java.util.Properties; |
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import java.util.ResourceBundle; |
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import java.util.ServiceLoader; |
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import java.util.function.Function; |
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import java.util.function.Predicate; |
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import javax.management.remote.JMXConnectorServer; |
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import javax.management.remote.JMXServiceURL; |
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import static sun.management.AgentConfigurationError.*; |
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import sun.management.jmxremote.ConnectorBootstrap; |
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import sun.management.jdp.JdpController; |
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import sun.management.jdp.JdpException; |
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import jdk.internal.vm.VMSupport; |
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import sun.management.spi.AgentProvider; |
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/** |
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* This Agent is started by the VM when -Dcom.sun.management.snmp or |
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* -Dcom.sun.management.jmxremote is set. This class will be loaded by the |
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* system class loader. Also jmx framework could be started by jcmd |
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*/ |
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public class Agent { |
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/** |
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* Agent status collector strategy class |
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*/ |
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private static abstract class StatusCollector { |
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protected static final Map<String, String> DEFAULT_PROPS = new HashMap<>(); |
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static { |
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DEFAULT_PROPS.put(ConnectorBootstrap.PropertyNames.PORT, |
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ConnectorBootstrap.DefaultValues.PORT); |
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DEFAULT_PROPS.put(ConnectorBootstrap.PropertyNames.USE_LOCAL_ONLY, |
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ConnectorBootstrap.DefaultValues.USE_LOCAL_ONLY); |
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DEFAULT_PROPS.put(ConnectorBootstrap.PropertyNames.USE_AUTHENTICATION, |
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ConnectorBootstrap.DefaultValues.USE_AUTHENTICATION); |
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DEFAULT_PROPS.put(ConnectorBootstrap.PropertyNames.USE_SSL, |
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ConnectorBootstrap.DefaultValues.USE_SSL); |
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DEFAULT_PROPS.put(ConnectorBootstrap.PropertyNames.USE_REGISTRY_SSL, |
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ConnectorBootstrap.DefaultValues.USE_REGISTRY_SSL); |
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DEFAULT_PROPS.put(ConnectorBootstrap.PropertyNames.SSL_NEED_CLIENT_AUTH, |
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ConnectorBootstrap.DefaultValues.SSL_NEED_CLIENT_AUTH); |
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DEFAULT_PROPS.put(ConnectorBootstrap.PropertyNames.CONFIG_FILE_NAME, |
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ConnectorBootstrap.DefaultValues.CONFIG_FILE_NAME); |
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DEFAULT_PROPS.put(ConnectorBootstrap.PropertyNames.PASSWORD_FILE_NAME, |
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ConnectorBootstrap.DefaultValues.PASSWORD_FILE_NAME); |
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DEFAULT_PROPS.put(ConnectorBootstrap.PropertyNames.ACCESS_FILE_NAME, |
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ConnectorBootstrap.DefaultValues.ACCESS_FILE_NAME); |
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} |
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final protected StringBuilder sb = new StringBuilder(); |
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final public String collect() { |
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Properties agentProps = VMSupport.getAgentProperties(); |
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String localConnAddr = (String)agentProps.get(LOCAL_CONNECTOR_ADDRESS_PROP); |
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if (localConnAddr != null || jmxServer != null) { |
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addAgentStatus(true); |
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appendConnections(localConnAddr); |
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} else { |
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addAgentStatus(false); |
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} |
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return sb.toString(); |
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} |
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private void appendConnections(String localConnAddr) { |
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appendConnectionsHeader(); |
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if (localConnAddr != null) { |
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try { |
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JMXServiceURL u = new JMXServiceURL(localConnAddr); |
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addConnection(false, u); |
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} catch (MalformedURLException e) { |
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// will never happen |
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} |
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} |
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if (jmxServer != null) { |
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addConnection(true, jmxServer.getAddress()); |
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} |
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appendConnectionsFooter(); |
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} |
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private void addConnection(boolean remote, JMXServiceURL u) { |
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appendConnectionHeader(remote); |
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addConnectionDetails(u); |
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addConfigProperties(); |
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appendConnectionFooter(remote); |
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} |
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private void addConfigProperties() { |
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appendConfigPropsHeader(); |
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Properties remoteProps = configProps != null ? |
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configProps : getManagementProperties(); |
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Map<Object, Object> props = new HashMap<>(DEFAULT_PROPS); |
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if (remoteProps == null) { |
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// local connector only |
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String loc_only = System.getProperty( |
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ConnectorBootstrap.PropertyNames.USE_LOCAL_ONLY |
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); |
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if (loc_only != null && |
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!ConnectorBootstrap.DefaultValues.USE_LOCAL_ONLY.equals(loc_only)) { |
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props.put( |
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ConnectorBootstrap.PropertyNames.USE_LOCAL_ONLY, |
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loc_only |
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); |
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} |
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} else { |
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props.putAll(remoteProps); |
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} |
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props.entrySet().stream() |
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.filter(preprocess(Map.Entry::getKey, StatusCollector::isManagementProp)) |
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.forEach(this::addConfigProp); |
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appendConfigPropsFooter(); |
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} |
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private static boolean isManagementProp(Object pName) { |
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return pName != null && pName.toString().startsWith("com.sun.management."); |
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} |
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private static <T, V> Predicate<T> preprocess(Function<T, V> f, Predicate<V> p) { |
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return (T t) -> p.test(f.apply(t)); |
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} |
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abstract protected void addAgentStatus(boolean enabled); |
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abstract protected void appendConnectionsHeader(); |
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abstract protected void appendConnectionsFooter(); |
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abstract protected void addConnectionDetails(JMXServiceURL u); |
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abstract protected void appendConnectionHeader(boolean remote); |
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abstract protected void appendConnectionFooter(boolean remote); |
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abstract protected void appendConfigPropsHeader(); |
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abstract protected void appendConfigPropsFooter(); |
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abstract protected void addConfigProp(Map.Entry<?, ?> prop); |
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} |
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/** |
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* Free-text status collector strategy implementation |
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*/ |
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final private static class TextStatusCollector extends StatusCollector { |
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|
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@Override |
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protected void addAgentStatus(boolean enabled) { |
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sb.append("Agent: ").append(enabled ? "enabled" : "disabled").append('\n'); |
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} |
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|
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@Override |
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protected void appendConnectionsHeader() { |
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sb.append('\n'); |
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} |
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|
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@Override |
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protected void addConnectionDetails(JMXServiceURL u) { |
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sb.append("Protocol : ").append(u.getProtocol()).append('\n') |
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.append("Host : ").append(u.getHost()).append('\n') |
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.append("URL : ").append(u).append('\n'); |
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} |
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|
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@Override |
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protected void appendConnectionHeader(boolean remote) { |
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sb.append("Connection Type: ").append(remote ? "remote" : "local").append('\n'); |
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} |
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|
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@Override |
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protected void appendConfigPropsHeader() { |
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sb.append("Properties :\n"); |
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} |
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|
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@Override |
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protected void addConfigProp(Map.Entry<?, ?> prop) { |
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sb.append(" ").append(prop.getKey()).append(" = ") |
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.append(prop.getValue()); |
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Object defVal = DEFAULT_PROPS.get(prop.getKey()); |
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if (defVal != null && defVal.equals(prop.getValue())) { |
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sb.append(" [default]"); |
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} |
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sb.append("\n"); |
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} |
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|
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@Override |
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protected void appendConnectionsFooter() {} |
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|
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@Override |
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protected void appendConnectionFooter(boolean remote) { |
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sb.append('\n'); |
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} |
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|
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@Override |
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protected void appendConfigPropsFooter() {} |
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} |
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|
2 | 236 |
// management properties |
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|
2 | 238 |
private static Properties mgmtProps; |
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private static ResourceBundle messageRB; |
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private static final String CONFIG_FILE = |
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"com.sun.management.config.file"; |
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private static final String SNMP_PORT = |
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"com.sun.management.snmp.port"; |
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private static final String JMXREMOTE = |
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"com.sun.management.jmxremote"; |
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private static final String JMXREMOTE_PORT = |
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"com.sun.management.jmxremote.port"; |
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private static final String RMI_PORT = |
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"com.sun.management.jmxremote.rmi.port"; |
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private static final String ENABLE_THREAD_CONTENTION_MONITORING = |
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"com.sun.management.enableThreadContentionMonitoring"; |
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private static final String LOCAL_CONNECTOR_ADDRESS_PROP = |
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"com.sun.management.jmxremote.localConnectorAddress"; |
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private static final String SNMP_AGENT_NAME = |
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"SnmpAgent"; |
2 | 256 |
|
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private static final String JDP_DEFAULT_ADDRESS = "224.0.23.178"; |
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private static final int JDP_DEFAULT_PORT = 7095; |
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|
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// The only active agent allowed |
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private static JMXConnectorServer jmxServer = null; |
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// The properties used to configure the server |
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private static Properties configProps = null; |
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|
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// Parse string com.sun.management.prop=xxx,com.sun.management.prop=yyyy |
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// and return property set if args is null or empty |
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// return empty property set |
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private static Properties parseString(String args) { |
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Properties argProps = new Properties(); |
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if (args != null && !args.trim().equals("")) { |
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for (String option : args.split(",")) { |
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String s[] = option.split("=", 2); |
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String name = s[0].trim(); |
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String value = (s.length > 1) ? s[1].trim() : ""; |
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|
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if (!name.startsWith("com.sun.management.")) { |
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error(INVALID_OPTION, name); |
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} |
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|
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argProps.setProperty(name, value); |
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} |
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} |
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283 |
|
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284 |
return argProps; |
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285 |
} |
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286 |
|
2 | 287 |
// invoked by -javaagent or -Dcom.sun.management.agent.class |
288 |
public static void premain(String args) throws Exception { |
|
289 |
agentmain(args); |
|
290 |
} |
|
291 |
||
292 |
// invoked by attach mechanism |
|
293 |
public static void agentmain(String args) throws Exception { |
|
294 |
if (args == null || args.length() == 0) { |
|
295 |
args = JMXREMOTE; // default to local management |
|
296 |
} |
|
297 |
||
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298 |
Properties arg_props = parseString(args); |
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299 |
|
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300 |
// Read properties from the config file |
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301 |
Properties config_props = new Properties(); |
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302 |
String fname = arg_props.getProperty(CONFIG_FILE); |
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303 |
readConfiguration(fname, config_props); |
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304 |
|
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// Arguments override config file |
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306 |
config_props.putAll(arg_props); |
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307 |
startAgent(config_props); |
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308 |
} |
2 | 309 |
|
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310 |
// jcmd ManagementAgent.start_local entry point |
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311 |
// Also called due to command-line via startAgent() |
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312 |
private static synchronized void startLocalManagementAgent() { |
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313 |
Properties agentProps = VMSupport.getAgentProperties(); |
2 | 314 |
|
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315 |
// start local connector if not started |
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|
316 |
if (agentProps.get(LOCAL_CONNECTOR_ADDRESS_PROP) == null) { |
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317 |
JMXConnectorServer cs = ConnectorBootstrap.startLocalConnectorServer(); |
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|
318 |
String address = cs.getAddress().toString(); |
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|
319 |
// Add the local connector address to the agent properties |
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320 |
agentProps.put(LOCAL_CONNECTOR_ADDRESS_PROP, address); |
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|
321 |
|
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322 |
try { |
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|
323 |
// export the address to the instrumentation buffer |
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|
324 |
ConnectorAddressLink.export(address); |
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|
325 |
} catch (Exception x) { |
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|
326 |
// Connector server started but unable to export address |
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|
327 |
// to instrumentation buffer - non-fatal error. |
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|
328 |
warning(EXPORT_ADDRESS_FAILED, x.getMessage()); |
2 | 329 |
} |
330 |
} |
|
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331 |
} |
2 | 332 |
|
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|
333 |
// jcmd ManagementAgent.start entry point |
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|
334 |
// This method starts the remote JMX agent and starts neither |
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|
335 |
// the local JMX agent nor the SNMP agent |
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336 |
// @see #startLocalManagementAgent and also @see #startAgent. |
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337 |
private static synchronized void startRemoteManagementAgent(String args) throws Exception { |
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|
338 |
if (jmxServer != null) { |
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|
339 |
throw new RuntimeException(getText(INVALID_STATE, "Agent already started")); |
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|
340 |
} |
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|
341 |
|
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|
342 |
try { |
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|
343 |
Properties argProps = parseString(args); |
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|
344 |
configProps = new Properties(); |
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|
345 |
|
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|
346 |
// Load the management properties from the config file |
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|
347 |
// if config file is not specified readConfiguration implicitly |
27565 | 348 |
// reads <java.home>/conf/management/management.properties |
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|
349 |
|
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|
350 |
String fname = System.getProperty(CONFIG_FILE); |
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|
351 |
readConfiguration(fname, configProps); |
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|
352 |
|
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|
353 |
// management properties can be overridden by system properties |
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|
354 |
// which take precedence |
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|
355 |
Properties sysProps = System.getProperties(); |
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|
356 |
synchronized (sysProps) { |
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|
357 |
configProps.putAll(sysProps); |
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|
358 |
} |
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|
359 |
|
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|
360 |
// if user specifies config file into command line for either |
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|
361 |
// jcmd utilities or attach command it overrides properties set in |
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|
362 |
// command line at the time of VM start |
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|
363 |
String fnameUser = argProps.getProperty(CONFIG_FILE); |
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|
364 |
if (fnameUser != null) { |
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|
365 |
readConfiguration(fnameUser, configProps); |
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|
366 |
} |
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|
367 |
|
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|
368 |
// arguments specified in command line of jcmd utilities |
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|
369 |
// override both system properties and one set by config file |
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|
370 |
// specified in jcmd command line |
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|
371 |
configProps.putAll(argProps); |
2 | 372 |
|
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|
373 |
// jcmd doesn't allow to change ThreadContentionMonitoring, but user |
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|
374 |
// can specify this property inside config file, so enable optional |
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|
375 |
// monitoring functionality if this property is set |
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|
376 |
final String enableThreadContentionMonitoring = |
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|
377 |
configProps.getProperty(ENABLE_THREAD_CONTENTION_MONITORING); |
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|
378 |
|
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|
379 |
if (enableThreadContentionMonitoring != null) { |
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|
380 |
ManagementFactory.getThreadMXBean(). |
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|
381 |
setThreadContentionMonitoringEnabled(true); |
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|
382 |
} |
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|
383 |
|
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|
384 |
String jmxremotePort = configProps.getProperty(JMXREMOTE_PORT); |
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|
385 |
if (jmxremotePort != null) { |
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|
386 |
jmxServer = ConnectorBootstrap. |
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|
387 |
startRemoteConnectorServer(jmxremotePort, configProps); |
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|
388 |
|
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|
389 |
startDiscoveryService(configProps); |
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|
390 |
} else { |
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|
391 |
throw new AgentConfigurationError(INVALID_JMXREMOTE_PORT, "No port specified"); |
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|
392 |
} |
26488
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|
393 |
} catch (JdpException e) { |
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|
394 |
error(e); |
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|
395 |
} catch (AgentConfigurationError err) { |
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|
396 |
error(err.getError(), err.getParams()); |
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|
397 |
} |
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|
398 |
} |
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|
399 |
|
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|
400 |
private static synchronized void stopRemoteManagementAgent() throws Exception { |
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|
401 |
|
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|
402 |
JdpController.stopDiscoveryService(); |
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|
403 |
|
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|
404 |
if (jmxServer != null) { |
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|
405 |
ConnectorBootstrap.unexportRegistry(); |
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|
406 |
ConnectorAddressLink.unexportRemote(); |
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|
407 |
|
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|
408 |
// Attempt to stop already stopped agent |
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|
409 |
// Don't cause any errors. |
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|
410 |
jmxServer.stop(); |
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|
411 |
jmxServer = null; |
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|
412 |
configProps = null; |
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|
413 |
} |
2 | 414 |
} |
415 |
||
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|
416 |
private static synchronized String getManagementAgentStatus() throws Exception { |
22a5f09f4da9
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|
417 |
return new TextStatusCollector().collect(); |
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|
418 |
} |
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|
419 |
|
2 | 420 |
private static void startAgent(Properties props) throws Exception { |
421 |
String snmpPort = props.getProperty(SNMP_PORT); |
|
422 |
String jmxremote = props.getProperty(JMXREMOTE); |
|
423 |
String jmxremotePort = props.getProperty(JMXREMOTE_PORT); |
|
424 |
||
425 |
// Enable optional monitoring functionality if requested |
|
426 |
final String enableThreadContentionMonitoring = |
|
15531
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
427 |
props.getProperty(ENABLE_THREAD_CONTENTION_MONITORING); |
2 | 428 |
if (enableThreadContentionMonitoring != null) { |
429 |
ManagementFactory.getThreadMXBean(). |
|
15531
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
430 |
setThreadContentionMonitoringEnabled(true); |
2 | 431 |
} |
432 |
||
433 |
try { |
|
434 |
if (snmpPort != null) { |
|
40743
a775e4de954f
8131061: Use of -Dcom.sun.management.snmp needs to be examined for modules
vtewari
parents:
36854
diff
changeset
|
435 |
loadSnmpAgent(props); |
2 | 436 |
} |
437 |
||
438 |
/* |
|
439 |
* If the jmxremote.port property is set then we start the |
|
440 |
* RMIConnectorServer for remote M&M. |
|
441 |
* |
|
442 |
* If the jmxremote or jmxremote.port properties are set then |
|
443 |
* we start a RMIConnectorServer for local M&M. The address |
|
444 |
* of this "local" server is exported as a counter to the jstat |
|
445 |
* instrumentation buffer. |
|
446 |
*/ |
|
15531
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
447 |
if (jmxremote != null || jmxremotePort != null) { |
2 | 448 |
if (jmxremotePort != null) { |
15531
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
449 |
jmxServer = ConnectorBootstrap. |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
450 |
startRemoteConnectorServer(jmxremotePort, props); |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
451 |
startDiscoveryService(props); |
2 | 452 |
} |
11991
800d0ff7b043
7110104: It should be possible to stop and start JMX Agent at runtime
dsamersoff
parents:
11530
diff
changeset
|
453 |
startLocalManagementAgent(); |
15531
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
454 |
} |
2 | 455 |
|
456 |
} catch (AgentConfigurationError e) { |
|
457 |
error(e.getError(), e.getParams()); |
|
458 |
} catch (Exception e) { |
|
459 |
error(e); |
|
460 |
} |
|
461 |
} |
|
462 |
||
15531
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
463 |
private static void startDiscoveryService(Properties props) |
26488
5b5fccd9d016
8057746: Cannot handle JdpException in JMX agent initialization.
dsamersoff
parents:
25859
diff
changeset
|
464 |
throws IOException, JdpException { |
15531
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
465 |
// Start discovery service if requested |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
466 |
String discoveryPort = props.getProperty("com.sun.management.jdp.port"); |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
467 |
String discoveryAddress = props.getProperty("com.sun.management.jdp.address"); |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
468 |
String discoveryShouldStart = props.getProperty("com.sun.management.jmxremote.autodiscovery"); |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
469 |
|
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
470 |
// Decide whether we should start autodicovery service. |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
471 |
// To start autodiscovery following conditions should be met: |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
472 |
// autodiscovery==true OR (autodicovery==null AND jdp.port != NULL) |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
473 |
|
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
474 |
boolean shouldStart = false; |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
475 |
if (discoveryShouldStart == null){ |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
476 |
shouldStart = (discoveryPort != null); |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
477 |
} |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
478 |
else{ |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
479 |
try{ |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
480 |
shouldStart = Boolean.parseBoolean(discoveryShouldStart); |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
481 |
} catch (NumberFormatException e) { |
26488
5b5fccd9d016
8057746: Cannot handle JdpException in JMX agent initialization.
dsamersoff
parents:
25859
diff
changeset
|
482 |
throw new AgentConfigurationError(AGENT_EXCEPTION, "Couldn't parse autodiscovery argument"); |
15531
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
483 |
} |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
484 |
} |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
485 |
|
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
486 |
if (shouldStart) { |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
487 |
// port and address are required arguments and have no default values |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
488 |
InetAddress address; |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
489 |
try { |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
490 |
address = (discoveryAddress == null) ? |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
491 |
InetAddress.getByName(JDP_DEFAULT_ADDRESS) : InetAddress.getByName(discoveryAddress); |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
492 |
} catch (UnknownHostException e) { |
26488
5b5fccd9d016
8057746: Cannot handle JdpException in JMX agent initialization.
dsamersoff
parents:
25859
diff
changeset
|
493 |
throw new AgentConfigurationError(AGENT_EXCEPTION, e, "Unable to broadcast to requested address"); |
15531
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
494 |
} |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
495 |
|
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
496 |
int port = JDP_DEFAULT_PORT; |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
497 |
if (discoveryPort != null) { |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
498 |
try { |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
499 |
port = Integer.parseInt(discoveryPort); |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
500 |
} catch (NumberFormatException e) { |
26488
5b5fccd9d016
8057746: Cannot handle JdpException in JMX agent initialization.
dsamersoff
parents:
25859
diff
changeset
|
501 |
throw new AgentConfigurationError(AGENT_EXCEPTION, "Couldn't parse JDP port argument"); |
15531
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
502 |
} |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
503 |
} |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
504 |
|
43534
170933978095
8167337: When jmxremote.port=0, JDP broadcasts "0" instead of assigned port
rraghavan
parents:
40743
diff
changeset
|
505 |
// Get service URL to broadcast it |
170933978095
8167337: When jmxremote.port=0, JDP broadcasts "0" instead of assigned port
rraghavan
parents:
40743
diff
changeset
|
506 |
Map<String,String> remoteProps = ConnectorAddressLink.importRemoteFrom(0); |
170933978095
8167337: When jmxremote.port=0, JDP broadcasts "0" instead of assigned port
rraghavan
parents:
40743
diff
changeset
|
507 |
String jmxUrlStr = remoteProps.get("sun.management.JMXConnectorServer.0.remoteAddress"); |
15531
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
508 |
|
21298
d8a11a962ee3
8024071: In ManagementAgent.start it should be possible to set the jdp.name parameter.
dsamersoff
parents:
17721
diff
changeset
|
509 |
String instanceName = props.getProperty("com.sun.management.jdp.name"); |
15531
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
510 |
|
26488
5b5fccd9d016
8057746: Cannot handle JdpException in JMX agent initialization.
dsamersoff
parents:
25859
diff
changeset
|
511 |
JdpController.startDiscoveryService(address, port, instanceName, jmxUrlStr); |
15531
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
512 |
} |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
513 |
} |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
514 |
|
2 | 515 |
public static Properties loadManagementProperties() { |
516 |
Properties props = new Properties(); |
|
517 |
||
518 |
// Load the management properties from the config file |
|
519 |
||
520 |
String fname = System.getProperty(CONFIG_FILE); |
|
521 |
readConfiguration(fname, props); |
|
522 |
||
523 |
// management properties can be overridden by system properties |
|
524 |
// which take precedence |
|
12694
543c5e6c5ed0
7164191: properties.putAll API may fail with ConcurrentModifcationException on multi-thread scenario
dsamersoff
parents:
11991
diff
changeset
|
525 |
Properties sysProps = System.getProperties(); |
15531
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
526 |
synchronized (sysProps) { |
12694
543c5e6c5ed0
7164191: properties.putAll API may fail with ConcurrentModifcationException on multi-thread scenario
dsamersoff
parents:
11991
diff
changeset
|
527 |
props.putAll(sysProps); |
543c5e6c5ed0
7164191: properties.putAll API may fail with ConcurrentModifcationException on multi-thread scenario
dsamersoff
parents:
11991
diff
changeset
|
528 |
} |
2 | 529 |
|
530 |
return props; |
|
15531
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
531 |
} |
2 | 532 |
|
15531
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
533 |
public static synchronized Properties getManagementProperties() { |
2 | 534 |
if (mgmtProps == null) { |
535 |
String configFile = System.getProperty(CONFIG_FILE); |
|
536 |
String snmpPort = System.getProperty(SNMP_PORT); |
|
537 |
String jmxremote = System.getProperty(JMXREMOTE); |
|
538 |
String jmxremotePort = System.getProperty(JMXREMOTE_PORT); |
|
539 |
||
15531
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
540 |
if (configFile == null && snmpPort == null |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
541 |
&& jmxremote == null && jmxremotePort == null) { |
2 | 542 |
// return if out-of-the-management option is not specified |
543 |
return null; |
|
544 |
} |
|
545 |
mgmtProps = loadManagementProperties(); |
|
546 |
} |
|
547 |
return mgmtProps; |
|
548 |
} |
|
549 |
||
40743
a775e4de954f
8131061: Use of -Dcom.sun.management.snmp needs to be examined for modules
vtewari
parents:
36854
diff
changeset
|
550 |
private static void loadSnmpAgent(Properties props) { |
a775e4de954f
8131061: Use of -Dcom.sun.management.snmp needs to be examined for modules
vtewari
parents:
36854
diff
changeset
|
551 |
/* |
a775e4de954f
8131061: Use of -Dcom.sun.management.snmp needs to be examined for modules
vtewari
parents:
36854
diff
changeset
|
552 |
* Load the jdk.snmp service |
a775e4de954f
8131061: Use of -Dcom.sun.management.snmp needs to be examined for modules
vtewari
parents:
36854
diff
changeset
|
553 |
*/ |
a775e4de954f
8131061: Use of -Dcom.sun.management.snmp needs to be examined for modules
vtewari
parents:
36854
diff
changeset
|
554 |
AgentProvider provider = AccessController.doPrivileged( |
a775e4de954f
8131061: Use of -Dcom.sun.management.snmp needs to be examined for modules
vtewari
parents:
36854
diff
changeset
|
555 |
(PrivilegedAction<AgentProvider>) () -> { |
a775e4de954f
8131061: Use of -Dcom.sun.management.snmp needs to be examined for modules
vtewari
parents:
36854
diff
changeset
|
556 |
for(AgentProvider aProvider : ServiceLoader.loadInstalled(AgentProvider.class)) { |
a775e4de954f
8131061: Use of -Dcom.sun.management.snmp needs to be examined for modules
vtewari
parents:
36854
diff
changeset
|
557 |
if(aProvider.getName().equals(SNMP_AGENT_NAME)) |
a775e4de954f
8131061: Use of -Dcom.sun.management.snmp needs to be examined for modules
vtewari
parents:
36854
diff
changeset
|
558 |
return aProvider; |
a775e4de954f
8131061: Use of -Dcom.sun.management.snmp needs to be examined for modules
vtewari
parents:
36854
diff
changeset
|
559 |
} |
a775e4de954f
8131061: Use of -Dcom.sun.management.snmp needs to be examined for modules
vtewari
parents:
36854
diff
changeset
|
560 |
return null; |
a775e4de954f
8131061: Use of -Dcom.sun.management.snmp needs to be examined for modules
vtewari
parents:
36854
diff
changeset
|
561 |
}, null |
a775e4de954f
8131061: Use of -Dcom.sun.management.snmp needs to be examined for modules
vtewari
parents:
36854
diff
changeset
|
562 |
); |
a775e4de954f
8131061: Use of -Dcom.sun.management.snmp needs to be examined for modules
vtewari
parents:
36854
diff
changeset
|
563 |
|
a775e4de954f
8131061: Use of -Dcom.sun.management.snmp needs to be examined for modules
vtewari
parents:
36854
diff
changeset
|
564 |
if (provider != null) { |
a775e4de954f
8131061: Use of -Dcom.sun.management.snmp needs to be examined for modules
vtewari
parents:
36854
diff
changeset
|
565 |
provider.startAgent(props); |
a775e4de954f
8131061: Use of -Dcom.sun.management.snmp needs to be examined for modules
vtewari
parents:
36854
diff
changeset
|
566 |
} else { // snmp runtime doesn't exist - initialization fails |
a775e4de954f
8131061: Use of -Dcom.sun.management.snmp needs to be examined for modules
vtewari
parents:
36854
diff
changeset
|
567 |
throw new UnsupportedOperationException("Unsupported management property: " + SNMP_PORT); |
2285
37fdbed8178f
6661448: Make the SNMP agent optional when OPENJDK=true and IMPORT_BINARY_PLUGS=false
dfuchs
parents:
2
diff
changeset
|
568 |
} |
37fdbed8178f
6661448: Make the SNMP agent optional when OPENJDK=true and IMPORT_BINARY_PLUGS=false
dfuchs
parents:
2
diff
changeset
|
569 |
} |
37fdbed8178f
6661448: Make the SNMP agent optional when OPENJDK=true and IMPORT_BINARY_PLUGS=false
dfuchs
parents:
2
diff
changeset
|
570 |
|
2 | 571 |
// read config file and initialize the properties |
572 |
private static void readConfiguration(String fname, Properties p) { |
|
573 |
if (fname == null) { |
|
574 |
String home = System.getProperty("java.home"); |
|
575 |
if (home == null) { |
|
576 |
throw new Error("Can't find java.home ??"); |
|
577 |
} |
|
24969
afa6934dd8e8
8041679: Replace uses of StringBuffer with StringBuilder within core library classes
psandoz
parents:
23010
diff
changeset
|
578 |
StringBuilder defaultFileName = new StringBuilder(home); |
27565 | 579 |
defaultFileName.append(File.separator).append("conf"); |
2 | 580 |
defaultFileName.append(File.separator).append("management"); |
581 |
defaultFileName.append(File.separator).append("management.properties"); |
|
582 |
// Set file name |
|
583 |
fname = defaultFileName.toString(); |
|
584 |
} |
|
585 |
final File configFile = new File(fname); |
|
586 |
if (!configFile.exists()) { |
|
587 |
error(CONFIG_FILE_NOT_FOUND, fname); |
|
588 |
} |
|
589 |
||
590 |
InputStream in = null; |
|
591 |
try { |
|
592 |
in = new FileInputStream(configFile); |
|
593 |
BufferedInputStream bin = new BufferedInputStream(in); |
|
594 |
p.load(bin); |
|
595 |
} catch (FileNotFoundException e) { |
|
596 |
error(CONFIG_FILE_OPEN_FAILED, e.getMessage()); |
|
597 |
} catch (IOException e) { |
|
598 |
error(CONFIG_FILE_OPEN_FAILED, e.getMessage()); |
|
599 |
} catch (SecurityException e) { |
|
600 |
error(CONFIG_FILE_ACCESS_DENIED, fname); |
|
601 |
} finally { |
|
602 |
if (in != null) { |
|
603 |
try { |
|
604 |
in.close(); |
|
605 |
} catch (IOException e) { |
|
606 |
error(CONFIG_FILE_CLOSE_FAILED, fname); |
|
607 |
} |
|
15531
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
608 |
} |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
609 |
} |
2 | 610 |
} |
611 |
||
612 |
public static void startAgent() throws Exception { |
|
613 |
String prop = System.getProperty("com.sun.management.agent.class"); |
|
614 |
||
615 |
// -Dcom.sun.management.agent.class not set so read management |
|
616 |
// properties and start agent |
|
617 |
if (prop == null) { |
|
618 |
// initialize management properties |
|
619 |
Properties props = getManagementProperties(); |
|
620 |
if (props != null) { |
|
621 |
startAgent(props); |
|
622 |
} |
|
623 |
return; |
|
624 |
} |
|
625 |
||
626 |
// -Dcom.sun.management.agent.class=<agent classname>:<agent args> |
|
627 |
String[] values = prop.split(":"); |
|
628 |
if (values.length < 1 || values.length > 2) { |
|
629 |
error(AGENT_CLASS_INVALID, "\"" + prop + "\""); |
|
630 |
} |
|
631 |
String cname = values[0]; |
|
632 |
String args = (values.length == 2 ? values[1] : null); |
|
633 |
||
634 |
if (cname == null || cname.length() == 0) { |
|
635 |
error(AGENT_CLASS_INVALID, "\"" + prop + "\""); |
|
636 |
} |
|
637 |
||
638 |
if (cname != null) { |
|
639 |
try { |
|
640 |
// Instantiate the named class. |
|
641 |
// invoke the premain(String args) method |
|
642 |
Class<?> clz = ClassLoader.getSystemClassLoader().loadClass(cname); |
|
643 |
Method premain = clz.getMethod("premain", |
|
15531
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
644 |
new Class<?>[]{String.class}); |
2 | 645 |
premain.invoke(null, /* static */ |
15531
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
646 |
new Object[]{args}); |
2 | 647 |
} catch (ClassNotFoundException ex) { |
648 |
error(AGENT_CLASS_NOT_FOUND, "\"" + cname + "\""); |
|
649 |
} catch (NoSuchMethodException ex) { |
|
650 |
error(AGENT_CLASS_PREMAIN_NOT_FOUND, "\"" + cname + "\""); |
|
651 |
} catch (SecurityException ex) { |
|
652 |
error(AGENT_CLASS_ACCESS_DENIED); |
|
653 |
} catch (Exception ex) { |
|
654 |
String msg = (ex.getCause() == null |
|
15531
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
655 |
? ex.getMessage() |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
656 |
: ex.getCause().getMessage()); |
2 | 657 |
error(AGENT_CLASS_FAILED, msg); |
658 |
} |
|
659 |
} |
|
660 |
} |
|
661 |
||
662 |
public static void error(String key) { |
|
663 |
String keyText = getText(key); |
|
664 |
System.err.print(getText("agent.err.error") + ": " + keyText); |
|
665 |
throw new RuntimeException(keyText); |
|
666 |
} |
|
667 |
||
668 |
public static void error(String key, String[] params) { |
|
669 |
if (params == null || params.length == 0) { |
|
670 |
error(key); |
|
671 |
} else { |
|
24969
afa6934dd8e8
8041679: Replace uses of StringBuffer with StringBuilder within core library classes
psandoz
parents:
23010
diff
changeset
|
672 |
StringBuilder message = new StringBuilder(params[0]); |
2 | 673 |
for (int i = 1; i < params.length; i++) { |
27957
24b4e6082f19
8055723: Replace concat String to append in StringBuilder parameters (dev)
weijun
parents:
27565
diff
changeset
|
674 |
message.append(' ').append(params[i]); |
2 | 675 |
} |
676 |
error(key, message.toString()); |
|
677 |
} |
|
678 |
} |
|
679 |
||
680 |
public static void error(String key, String message) { |
|
681 |
String keyText = getText(key); |
|
682 |
System.err.print(getText("agent.err.error") + ": " + keyText); |
|
683 |
System.err.println(": " + message); |
|
24980
dbf4ae2cafa4
8046778: Better error messages when starting JMX agent via attach or jcmd
sla
parents:
24969
diff
changeset
|
684 |
throw new RuntimeException(keyText + ": " + message); |
2 | 685 |
} |
686 |
||
687 |
public static void error(Exception e) { |
|
688 |
e.printStackTrace(); |
|
689 |
System.err.println(getText(AGENT_EXCEPTION) + ": " + e.toString()); |
|
690 |
throw new RuntimeException(e); |
|
691 |
} |
|
692 |
||
693 |
public static void warning(String key, String message) { |
|
694 |
System.err.print(getText("agent.err.warning") + ": " + getText(key)); |
|
695 |
System.err.println(": " + message); |
|
696 |
} |
|
697 |
||
698 |
private static void initResource() { |
|
699 |
try { |
|
700 |
messageRB = |
|
15531
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
701 |
ResourceBundle.getBundle("sun.management.resources.agent"); |
2 | 702 |
} catch (MissingResourceException e) { |
703 |
throw new Error("Fatal: Resource for management agent is missing"); |
|
704 |
} |
|
705 |
} |
|
706 |
||
707 |
public static String getText(String key) { |
|
708 |
if (messageRB == null) { |
|
709 |
initResource(); |
|
710 |
} |
|
711 |
try { |
|
712 |
return messageRB.getString(key); |
|
713 |
} catch (MissingResourceException e) { |
|
714 |
return "Missing management agent resource bundle: key = \"" + key + "\""; |
|
715 |
} |
|
716 |
} |
|
717 |
||
718 |
public static String getText(String key, String... args) { |
|
719 |
if (messageRB == null) { |
|
720 |
initResource(); |
|
721 |
} |
|
722 |
String format = messageRB.getString(key); |
|
723 |
if (format == null) { |
|
15531
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
724 |
format = "missing resource key: key = \"" + key + "\", " |
071efc9f31ad
8002048: Protocol to discovery of manageable Java processes on a network
dsamersoff
parents:
12694
diff
changeset
|
725 |
+ "arguments = \"{0}\", \"{1}\", \"{2}\""; |
2 | 726 |
} |
727 |
return MessageFormat.format(format, (Object[]) args); |
|
728 |
} |
|
729 |
} |