hydra

Class HostAgent

java.lang.Object

java.rmi.server.RemoteObject

java.rmi.server.RemoteServer

java.rmi.server.UnicastRemoteObject

hydra.HostAgent

All Implemented Interfaces:

HostAgentIF, Serializable, Runnable, Remote

public class HostAgent
extends UnicastRemoteObject
implements HostAgentIF, Runnable

Instances of this class represent remote host agents for master controller in hydra multiuser tests.

See Also:

Serialized Form

Field Summary

Fields inherited from class java.rmi.server.RemoteObject

ref

Method Summary

Modifier and Type	Method and Description
int	bgexec(String command, File workdir, File logfile)
void	dumpHeap(int pid, String userDir, String options)
boolean	exists(int pid)
String	fgexec(String[] command, int maxWaitSec)
String	fgexec(String command, int maxWaitSec)
String	fgexec(String command, String[] envp, int maxWaitSec)
String[]	getDumpHeapCommand(int pid, String userDir, String options)
String	getDumpLocksCommand(int pid)
String	getKillCommand(int pid)
String	getNetcontrolCommand(String target, int op)
String	getPrintStacksCommand(int pid)
String	getProcessStatus(int maxWaitSec)
String	getShutdownCommand(int pid)
void	kill(int pid)
static void	main(String[] args) The startup routine for this host agent.
void	printStacks(int pid)
void	run() Initializes and registers with the master controller.
void	shutdown(int pid)
void	shutDownHostAgent()

Methods inherited from class java.rmi.server.UnicastRemoteObject

clone, exportObject, exportObject, exportObject, unexportObject

Methods inherited from class java.rmi.server.RemoteServer

getClientHost, getLog, setLog

Methods inherited from class java.rmi.server.RemoteObject

equals, getRef, hashCode, toString, toStub

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Method Detail

run

public void run()

Initializes and registers with the master controller.

Specified by:

run in interface Runnable

bgexec

public int bgexec(String command,
                  File workdir,
                  File logfile)
           throws RemoteException

Specified by:

bgexec in interface HostAgentIF

Throws:

RemoteException

fgexec

public String fgexec(String command,
                     int maxWaitSec)
              throws RemoteException

Specified by:

fgexec in interface HostAgentIF

Throws:

RemoteException

fgexec

public String fgexec(String command,
                     String[] envp,
                     int maxWaitSec)
              throws RemoteException

Specified by:

fgexec in interface HostAgentIF

Throws:

RemoteException

fgexec

public String fgexec(String[] command,
                     int maxWaitSec)
              throws RemoteException

Specified by:

fgexec in interface HostAgentIF

Throws:

RemoteException

exists

public boolean exists(int pid)
               throws RemoteException

Specified by:

exists in interface HostAgentIF

Throws:

RemoteException

shutdown

public void shutdown(int pid)
              throws RemoteException

Specified by:

shutdown in interface HostAgentIF

Throws:

RemoteException

kill

public void kill(int pid)
          throws RemoteException

Specified by:

kill in interface HostAgentIF

Throws:

RemoteException

printStacks

public void printStacks(int pid)
                 throws RemoteException

Specified by:

printStacks in interface HostAgentIF

Throws:

RemoteException

dumpHeap

public void dumpHeap(int pid,
                     String userDir,
                     String options)
              throws RemoteException

Specified by:

dumpHeap in interface HostAgentIF

Throws:

RemoteException

getShutdownCommand

public String getShutdownCommand(int pid)
                          throws RemoteException

Specified by:

getShutdownCommand in interface HostAgentIF

Throws:

RemoteException

getKillCommand

public String getKillCommand(int pid)
                      throws RemoteException

Specified by:

getKillCommand in interface HostAgentIF

Throws:

RemoteException

getDumpLocksCommand

public String getDumpLocksCommand(int pid)
                           throws RemoteException

Specified by:

getDumpLocksCommand in interface HostAgentIF

Throws:

RemoteException

getPrintStacksCommand

public String getPrintStacksCommand(int pid)
                             throws RemoteException

Specified by:

getPrintStacksCommand in interface HostAgentIF

Throws:

RemoteException

getDumpHeapCommand

public String[] getDumpHeapCommand(int pid,
                                   String userDir,
                                   String options)
                            throws RemoteException

Specified by:

getDumpHeapCommand in interface HostAgentIF

Throws:

RemoteException

getNetcontrolCommand

public String getNetcontrolCommand(String target,
                                   int op)
                            throws RemoteException

Specified by:

getNetcontrolCommand in interface HostAgentIF

Throws:

RemoteException

getProcessStatus

public String getProcessStatus(int maxWaitSec)
                        throws RemoteException

Specified by:

getProcessStatus in interface HostAgentIF

Throws:

RemoteException

shutDownHostAgent

public void shutDownHostAgent()
                       throws RemoteException

Specified by:

shutDownHostAgent in interface HostAgentIF

Throws:

RemoteException

main

public static void main(String[] args)

The startup routine for this host agent. Creates a log file, looks up the master controller, and starts a thread to wait for requests.