org.gridbus.broker.farming.globus
Class GlobusComputeServer

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

Direct Known Subclasses:

GT4ComputeServer

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, BUSY, CHECKING_REQUIREMENTS, CONDOR, CONDOR_6_6_9, CONDOR_SHAREDFS, FORK, GLOBUS, GLOBUS_2_4, GLOBUS_3_2, GLOBUS_4_0, NORDUGRID, PBS, READY, SGE, STATUS_ANY, UNICORE, UNICORE_4_1, UNKNOWN, XGRID

Constructor Summary

GlobusComputeServer(java.lang.String hostname, java.lang.String jobManager, java.lang.Object o)

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
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.
GassServerContainer	getGassServer(org.ietf.jgss.GSSCredential credential)
int	getGatekeeperPort() Returns the remote gatekeeper port.
static java.lang.String	getJobManager(java.lang.String contactString)
org.ietf.jgss.GSSCredential	getProxy() Returns the proxy for this server.
void	setConfig(java.lang.Object config) The object o, is used to set some configuration properties for the ComputeServer, and related classes.
void	setGatekeeperPort(int gkprPt) Sets the remote gatekeeper port.
void	setProxy(org.ietf.jgss.GSSCredential credential) Sets the proxy for this server.

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

addJobListener, addQueue, calcJobLimit, decAllocatedJobs, discoverPropertiesGeneric, getAllocatedJobs, getArch, getAvgJobComputationTime, getAvgRateofCompletion, getBufferedJobs, getBusytime, getConfig, getContactString, getCPU, getCPUspeed, getDispatcher, getExecutingJobs, getFailedJobs, getJobLimit, getJobManager, getJobsCompletedCurrentPoll, getMaxnumjobs, getMemfree, getMemtotal, getNodeRequirements, getNumCPUs, getOS, getPrevtime, getPricePerCpuSec, getPricePerJob, getQueues, getServerStatus, getStatus, getTimeperjob, getTotalFinishedJobs, getType, getUserCredential, incAllocatedJobs, incFailedJobs, incJobsCompletedCurrentPoll, incTotalFinishedJobs, isAlive, isFirewalled, isRequirementSatisfied, notifyListeners, recoverJob, removeAllJobListeners, removeJobListener, serverTypeString, setAliveFlag, setAllocatedJobs, setArch, setAvgJobComputationTime, setBufferedJobs, setBusytime, setContactString, setDispatcher, setExecutingJobs, setFailedJobs, setFirewalled, setJobLimit, setJobManager, setJobsCompletedCurrentPoll, setMaxnumjobs, setMemtotal, setNodeRequirements, setNumCPUs, setOS, setPrevtime, setPricePerCpuSec, setPricePerJob, setQueues, setTimeperjob, setTotalFinishedJobs, setType, setUserCredential, shutdown, startMonitoring, startup, statusInt, statusString, submitJob, updateAvgRateofCompletion, updateStatus

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

getHostname, getServerID, setHostname, setServerID

Methods inherited from class java.lang.Object

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

Constructor Detail

GlobusComputeServer

public GlobusComputeServer(java.lang.String hostname,
                           java.lang.String jobManager,
                           java.lang.Object o)

Parameters:

hostname -

jobManager -

o -

Method Detail

setConfig

public void setConfig(java.lang.Object config)

Description copied from class: ComputeServer

The object o, is used to set some configuration properties for the ComputeServer, and related classes. These properties include, the local and remote working directories. In the current implementation Object parameter is an instance of the BrokerProperties class.

Overrides:

setConfig in class ComputeServer

getJobManager

public static java.lang.String getJobManager(java.lang.String contactString)

Parameters:

contactString -

Returns:

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

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

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 GassServerContainer getGassServer(org.ietf.jgss.GSSCredential credential)

Parameters:

credential -

Returns:

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