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* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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package sun.tools.jstatd;
import java.util.*;
import java.nio.*;
import java.io.*;
import java.net.*;
import java.rmi.*;
import java.rmi.server.*;
import sun.jvmstat.monitor.*;
import sun.jvmstat.monitor.event.*;
import sun.jvmstat.monitor.remote.*;
/**
* Concrete implementation of the RemoteHost interface for the HotSpot
* PerfData <em>rmi:</em> protocol.
* <p>
* This class provides remote access to the instrumentation exported
* by HotSpot Java Virtual Machines through the PerfData shared memory
* interface.
*
* @author Brian Doherty
* @since 1.5
*/
public class RemoteHostImpl implements RemoteHost, HostListener {
private MonitoredHost monitoredHost;
private Set<Integer> activeVms;
private static RemoteVm rvm;
public RemoteHostImpl() throws MonitorException {
try {
monitoredHost = MonitoredHost.getMonitoredHost("localhost");
} catch (URISyntaxException e) { }
activeVms = monitoredHost.activeVms();
monitoredHost.addHostListener(this);
}
public RemoteVm attachVm(int lvmid, String mode)
throws RemoteException, MonitorException {
Integer v = lvmid;
RemoteVm stub = null;
StringBuilder sb = new StringBuilder();
sb.append("local://").append(lvmid).append("@localhost");
if (mode != null) {
sb.append("?mode=").append(mode);
}
String vmidStr = sb.toString();
try {
VmIdentifier vmid = new VmIdentifier(vmidStr);
MonitoredVm mvm = monitoredHost.getMonitoredVm(vmid);
rvm = new RemoteVmImpl((BufferedMonitoredVm)mvm);
stub = (RemoteVm) UnicastRemoteObject.exportObject(rvm, 0);
}
catch (URISyntaxException e) {
throw new RuntimeException("Malformed VmIdentifier URI: "
+ vmidStr, e);
}
return stub;
}
public void detachVm(RemoteVm rvm) throws RemoteException {
rvm.detach();
}
public int[] activeVms() throws MonitorException {
Object[] vms = null;
int[] vmids = null;
vms = monitoredHost.activeVms().toArray();
vmids = new int[vms.length];
/**代码未完, 请加载全部代码(NowJava.com).**/