private static MBeanServerConnection Connect(JMXServiceURL url, string username, string password)
{
IDictionary <string, object> environment = new Dictionary <string, object>();
if (!string.ReferenceEquals(username, null) && !string.ReferenceEquals(password, null))
{
environment[JMXConnector.CREDENTIALS] = new string[] { username, password };
}
else if (!string.ReferenceEquals(username, null) || !string.ReferenceEquals(password, null))
{
throw new System.ArgumentException("User name and password must either both be specified, or both be null.");
}
try
{
try
{
return(JMXConnectorFactory.connect(url, environment).MBeanServerConnection);
}
catch (SecurityException)
{
environment[RMIConnectorServer.RMI_CLIENT_SOCKET_FACTORY_ATTRIBUTE] = new SslRMIClientSocketFactory();
return(JMXConnectorFactory.connect(url, environment).MBeanServerConnection);
}
}
catch (IOException e)
{
throw new System.InvalidOperationException("Connection failed.", e);
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public static JmxDump connectTo(String jmxAddress) throws java.io.IOException
public static JmxDump ConnectTo(string jmxAddress)
{
JMXServiceURL url = new JMXServiceURL(jmxAddress);
JMXConnector connect = JMXConnectorFactory.connect(url);
return(new JmxDump(connect.MBeanServerConnection));
}
/// <exception cref="System.Exception">initializes MBeanServer</exception>
public virtual void Init()
{
Err("init: server=" + server + ";port=" + port + ";service=" + service + ";localVMUrl="
+ localVMUrl);
string url_string = null;
// build connection url
if (localVMUrl != null)
{
// use
// jstat -snap <vmpid> | grep sun.management.JMXConnectorServer.address
// to get url
url_string = localVMUrl;
Err("url string for local pid = " + localVMUrl + " = " + url_string);
}
else
{
if (!port.IsEmpty() && !server.IsEmpty())
{
// using server and port
url_string = "service:jmx:rmi:///jndi/rmi://" + server + ":" + port + "/jmxrmi";
}
}
// else url stays null
// Create an RMI connector client and
// connect it to the RMI connector server
if (url_string == null)
{
// assume local vm (for example for Testing)
mbsc = ManagementFactory.GetPlatformMBeanServer();
}
else
{
JMXServiceURL url = new JMXServiceURL(url_string);
Err("Create RMI connector and connect to the RMI connector server" + url);
JMXConnector jmxc = JMXConnectorFactory.Connect(url, null);
// Get an MBeanServerConnection
//
Err("\nGet an MBeanServerConnection");
mbsc = jmxc.GetMBeanServerConnection();
}
// Get domains from MBeanServer
//
Err("\nDomains:");
string[] domains = mbsc.GetDomains();
Arrays.Sort(domains);
foreach (string domain in domains)
{
Err("\tDomain = " + domain);
}
// Get MBeanServer's default domain
//
Err("\nMBeanServer default domain = " + mbsc.GetDefaultDomain());
// Get MBean count
//
Err("\nMBean count = " + mbsc.GetMBeanCount());
// Query MBean names for specific domain "hadoop" and service
ObjectName query = new ObjectName("Hadoop:service=" + service + ",*");
hadoopObjectNames = new AList <ObjectName>(5);
Err("\nQuery MBeanServer MBeans:");
ICollection <ObjectName> names = new TreeSet <ObjectName>(mbsc.QueryNames(query, null
));
foreach (ObjectName name in names)
{
hadoopObjectNames.AddItem(name);
Err("Hadoop service: " + name);
}
}
