hydra

Class WindowsPlatform

java.lang.Object

hydra.Platform

hydra.WindowsPlatform

public class WindowsPlatform
extends Platform

Supports Windows commands. Does not rely on a shell. Requires native support for background process creation.

Field Summary

Fields inherited from class hydra.Platform

SSH

Constructor Summary

Constructors

Constructor and Description
WindowsPlatform()

Method Summary

Modifier and Type	Method and Description
protected int	bgexecInternal(String[] cmdarray, String workdir, String logfile) Starts a background command writing its stdout and stderr to the specified log file.
protected void	dumpHeap(int pid, String userDir, String options) Tells a process to dump heap
protected boolean	exists(int pid) Answers whether a Java process exists with the given PID.
protected String	getCommentPrefix() Returns the comment prefix for shell scripts.
protected String[]	getDumpHeapCommand(int pid, String userDir, String options)
protected String	getDumpLocksCommand(int pid)
protected String	getFileExtension() Returns the file extension for shell scripts.
protected String	getKillCommand(int pid)
protected String	getMemoryStatus(int maxWaitSec) Returns the memory status.
protected String	getNetcontrolCommand(String target, int op)
protected String	getNetworkStatistics(int maxWaitSec) Returns network statistics.
protected String	getPrintStacksCommand(int pid)
protected String	getProcessStatus(int maxWaitSec) Returns the process status.
protected String	getScriptHeader() Returns the header for shell scripts.
protected String	getShutdownCommand(int pid)
protected void	kill(int pid) Kills a process.
protected void	printStacks(int pid) Tells a process to print its stacks to its standard output
protected void	restartNTP() Uses NTP to synchronize the local clock with the network time server.
protected void	setExecutePermission(String fn) Gives user execute permission to the file.
protected void	setReadPermission(String dir) Gives universal read permission to all files in the directory.
protected void	shutdown(int pid)

Methods inherited from class hydra.Platform

bgexec, bgexec, checkPid, fgexec, fgexec, fgexec, fgexec, getInstance, getStackTrace, getString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

WindowsPlatform

public WindowsPlatform()

Method Detail

bgexecInternal

protected int bgexecInternal(String[] cmdarray,
                             String workdir,
                             String logfile)
                      throws IOException

Starts a background command writing its stdout and stderr to the specified log file.

Specified by:

bgexecInternal in class Platform

Parameters:

cmdarray - An array of strings that specify the command to run. The first element must be the executable. Each additional command line argument should have its own entry in the array.

workdir - the current directory of the created process

logfile - the file the created process will write stdout and stderr to.

Returns:

the process id of the created process; -1 on failure

Throws:

IOException - if a child process could not be created.

exists

protected boolean exists(int pid)

Answers whether a Java process exists with the given PID.

Specified by:

exists in class Platform

Parameters:

pid - the id of the process to check for

Returns:

true if the process exists; false if it does not.

shutdown

protected void shutdown(int pid)

Specified by:

shutdown in class Platform

Parameters:

pid - the id of the process to shutdown

kill

protected void kill(int pid)

Description copied from class: Platform

Kills a process.

Specified by:

kill in class Platform

Parameters:

pid - the id of the process to shutdown

printStacks

protected void printStacks(int pid)

Description copied from class: Platform

Tells a process to print its stacks to its standard output

Specified by:

printStacks in class Platform

Parameters:

pid - the id of the process that will print its stacks

dumpHeap

protected void dumpHeap(int pid,
                        String userDir,
                        String options)

Description copied from class: Platform

Tells a process to dump heap

Specified by:

dumpHeap in class Platform

Parameters:

pid - the id of the process that will print its stacks

getNetworkStatistics

protected String getNetworkStatistics(int maxWaitSec)

Description copied from class: Platform

Returns network statistics.

Specified by:

getNetworkStatistics in class Platform

getShutdownCommand

protected String getShutdownCommand(int pid)

Specified by:

getShutdownCommand in class Platform

getKillCommand

protected String getKillCommand(int pid)

Specified by:

getKillCommand in class Platform

getDumpLocksCommand

protected String getDumpLocksCommand(int pid)

Specified by:

getDumpLocksCommand in class Platform

getPrintStacksCommand

protected String getPrintStacksCommand(int pid)

Specified by:

getPrintStacksCommand in class Platform

getDumpHeapCommand

protected String[] getDumpHeapCommand(int pid,
                                      String userDir,
                                      String options)

Specified by:

getDumpHeapCommand in class Platform

getNetcontrolCommand

protected String getNetcontrolCommand(String target,
                                      int op)

Specified by:

getNetcontrolCommand in class Platform

restartNTP

protected void restartNTP()

Description copied from class: Platform

Uses NTP to synchronize the local clock with the network time server.

Specified by:

restartNTP in class Platform

getFileExtension

protected String getFileExtension()

Description copied from class: Platform

Returns the file extension for shell scripts.

Specified by:

getFileExtension in class Platform

getScriptHeader

protected String getScriptHeader()

Description copied from class: Platform

Returns the header for shell scripts.

Specified by:

getScriptHeader in class Platform

getCommentPrefix

protected String getCommentPrefix()

Description copied from class: Platform

Returns the comment prefix for shell scripts.

Specified by:

getCommentPrefix in class Platform

setExecutePermission

protected void setExecutePermission(String fn)

Description copied from class: Platform

Gives user execute permission to the file.

Specified by:

setExecutePermission in class Platform

setReadPermission

protected void setReadPermission(String dir)

Description copied from class: Platform

Gives universal read permission to all files in the directory.

Specified by:

setReadPermission in class Platform

getProcessStatus

protected String getProcessStatus(int maxWaitSec)

Description copied from class: Platform

Returns the process status.

Specified by:

getProcessStatus in class Platform

getMemoryStatus

protected String getMemoryStatus(int maxWaitSec)

Description copied from class: Platform

Returns the memory status.

Specified by:

getMemoryStatus in class Platform