org.gridbus.broker.farming.globus
Class GlobusComputeServer

java.lang.Object
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  +--org.gridbus.broker.farming.common.Server
        |
        +--org.gridbus.broker.farming.common.ComputeServer
              |
              +--org.gridbus.broker.farming.globus.GlobusComputeServer

public class GlobusComputeServer

extends ComputeServer

This class represents a compute server running Globus middleware

Version:

2.0

Author:

Srikumar Venugopal (srikumar@cs.mu.oz.au)

Field Summary

Fields inherited from class org.gridbus.broker.farming.common.ComputeServer

ALCHEMI, ALCHEMI_0_8, CONDOR, CONDOR_6_6_9, CONDOR_SHAREDFS, FORK_LOCAL, GLOBUS, GLOBUS_2_4, GLOBUS_3_2, GLOBUS_4_0, NORDUGRID, PBS, UNICORE, UNICORE_4_1, UNKNOWN, XGRID

Fields inherited from class org.gridbus.broker.farming.common.Server

BUSY, READY

Constructor Summary

GlobusComputeServer()
Default Constructor

GlobusComputeServer(java.lang.String contact)
Constructor for this class.

Method Summary

boolean	checkPing() Checks if the compute server is up
boolean	discoverProperties() Checks if the compute server is up, and sets all its attributes
java.lang.String	getCPU() Returns the processor in the compute server
int	getCPUFree15min() Returns the processors which will be free in 15 minutes.
int	getCPUFree1min() Returns the processors which will be free in 1 minute.
int	getCPUFree5min() Returns the processors which will be free in 5 minutes.
java.lang.String	getCPUspeed() Returns the processor speed.
GlobusGassServer	getGassServer()
int	getGatekeeperPort() Returns the remote gatekeeper port.
float	getMemfree() Returns the free RAM available
org.ietf.jgss.GSSCredential	getProxy() Returns the proxy for this server.
void	prepareJob(Job j)
void	setContactString(java.lang.String contact) Over-rides the ComputeServer.setContactString, since it needs to be parsed in this case to get the jobmanager string
void	setGatekeeperPort(int gkprPt) Sets the remote gatekeeper port.
void	setProxy(org.ietf.jgss.GSSCredential credential) Sets the proxy for this server.
void	updateStatus() Updates the status of this server.

Methods inherited from class org.gridbus.broker.farming.common.ComputeServer

addJobListener, calcJobLimit, checkRequirements, decAllocatedJobs, decExecutingJobs, getAllocatedJobs, getArch, getAvgJobComputationTime, getAvgRateofCompletion, getBusytime, getContactString, getExecutingJobs, getFailedJobs, getJobLimit, getJobsCompletedCurrentPoll, getMemtotal, getNodeRequirements, getNumCPUs, getOS, getPrevtime, getPricePerCpuSec, getPricePerJob, getQueueCollection, getTimeperjob, getTotalFinishedJobs, getType, getUserCredential, incAllocatedJobs, incExecutingJobs, incFailedJobs, incJobsCompletedCurrentPoll, incTotalFinishedJobs, isAlive, isRequirementSatisfied, recoverJob, removeAllJobListeners, removeJobListener, setAliveFlag, setAllocatedJobs, setArch, setAvgJobComputationTime, setBusytime, setExecutingJobs, setFailedJobs, setJobLimit, setJobsCompletedCurrentPoll, setManager, setMemtotal, setNodeRequirements, setNumCPUs, setOS, setPrevtime, setPricePerCpuSec, setPricePerJob, setQueueCollection, setServerID, setTimeperjob, setTotalFinishedJobs, setType, setUserCredential, shutdown, startMonitoring, startup, submitJob, updateAvgRateofCompletion

Methods inherited from class org.gridbus.broker.farming.common.Server

getHostname, getServerID, getServerStatus, getStatus, setHostname, setServerStatus, setStatus, statusInt, statusString

Methods inherited from class java.lang.Object

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

Constructor Detail

GlobusComputeServer

public GlobusComputeServer()

Default Constructor

GlobusComputeServer

public GlobusComputeServer(java.lang.String contact)

Constructor for this class.

Parameters:

contact -

Method Detail

setContactString

public void setContactString(java.lang.String contact)

Over-rides the ComputeServer.setContactString, since it needs to be parsed in this case to get the jobmanager string

Overrides:

setContactString in class ComputeServer

Parameters:

contact -

See Also:

ComputeServer.setContactString(java.lang.String)

checkPing

public boolean checkPing()

Checks if the compute server is up

Returns:

true if the server is alive

discoverProperties

public boolean discoverProperties()

Checks if the compute server is up, and sets all its attributes

Specified by:

discoverProperties in class ComputeServer

Returns:

true if the properties have been discovered

getCPU

public java.lang.String getCPU()

Returns the processor in the compute server

Returns:

string

getMemfree

public float getMemfree()

Returns the free RAM available

Returns:

float

getCPUFree15min

public int getCPUFree15min()

Returns the processors which will be free in 15 minutes.

Returns:

int

getCPUFree1min

public int getCPUFree1min()

Returns the processors which will be free in 1 minute.

Returns:

# of free CPUS in 5 minutes

getCPUFree5min

public int getCPUFree5min()

Returns the processors which will be free in 5 minutes.

Returns:

# of free CPUS in 5 minutes

getCPUspeed

public java.lang.String getCPUspeed()

Returns the processor speed.

Returns:

string

updateStatus

public void updateStatus()

Description copied from class: ComputeServer

Updates the status of this server.

Specified by:

updateStatus in class ComputeServer

See Also:

* Updates the status of the compute server

prepareJob

public void prepareJob(Job j)

Overrides:

prepareJob in class ComputeServer

Parameters:

j - - job object

See Also:

* Submits the job to the job manager

getGatekeeperPort

public int getGatekeeperPort()

Returns the remote gatekeeper port.

Returns:

int

setGatekeeperPort

public void setGatekeeperPort(int gkprPt)

Sets the remote gatekeeper port.

Parameters:

gkprPt - - gatekeeper port

getProxy

public org.ietf.jgss.GSSCredential getProxy()

Returns the proxy for this server.

Returns:

GSSCredential proxy object

setProxy

public void setProxy(org.ietf.jgss.GSSCredential credential)

Sets the proxy for this server.

Parameters:

credential -

getGassServer

public GlobusGassServer getGassServer()

Returns:

Returns the gass_server.(This method also starts the gass server if it is not started already)