// Derived classes use this method to seed the initial set of jobs.
// Will be called by 'KKJobManager' at appropriate time.
KKJobListPtr RandomSplitJobManager::JobsCreateInitialSet ()
{
KKJobListPtr initialJobs = new KKJobList (this);
for (int splitNum = 0; splitNum < numSplits; splitNum++)
{
RandomSplitJobPtr j = new RandomSplitJob (this, GetNextJobId (), -1, splitNum, log);
initialJobs->PushOnBack (j);
}
return initialJobs;
} /* JobsCreateInitialSet */
void KKJobManager::ProcessNextExpansion (ostream& o)
{
KKJobListPtr jobsJustCompleted = new KKJobList (this);
jobsJustCompleted->Owner (false);
{
// Add jobs completed since last expansion to this list.
KKJobList::iterator idx;
for (idx = jobs->begin (); idx != jobs->end (); idx++)
{
KKJobPtr j = *idx;
if (j->JobId () >= expansionFirstJobId)
jobsJustCompleted->PushOnBack (j);
}
}
// Derived class will now peform expansion.
KKJobListPtr expandedJobs = JobsExpandNextSetOfJobs (jobsJustCompleted);
{
if (expandedJobs)
{
expandedJobs->Owner (false);
KKJobList::iterator idx;
for (idx = expandedJobs->begin (); idx != expandedJobs->end (); idx++)
{
KKJobPtr j = *idx;
if (j->JobId () < expansionFirstJobId)
expansionFirstJobId = j->JobId ();
jobs->PushOnBack (j);
o << "KKJob" << "\t" << j->JobType () << "\t" << j->ToStatusStr () << endl;
}
}
delete expandedJobs;
expandedJobs = NULL;
}
delete jobsJustCompleted;
jobsJustCompleted = NULL;
o << "NextJobId" << "\t" << nextJobId << endl
<< "ExpansionCount" << "\t" << expansionCount << endl
<< "ExpansionFirstJobId" << "\t" << expansionFirstJobId << endl;
} /* ProcessNextExpansion */
void KKJobManager::Run ()
{
log.Level (10) << "KKJobManager::Run." << endl;
bool keepOnRunning = true;
KKJobListPtr executedJobs = NULL;
KKJobListPtr jobsToExecute = GetNextSetOfJobs (NULL);
while (keepOnRunning && (!quitRunning))
{
if (jobsToExecute)
{
delete executedJobs; executedJobs = NULL;
executedJobs = new KKJobList (this);
executedJobs->Owner (true);
KKJobList::iterator idx;
for (idx = jobsToExecute->begin (); idx != jobsToExecute->end (); idx++)
{
KKJobPtr j = *idx;
j->ProcessNode ();
executedJobs->PushOnBack (j->Duplicate ());
}
delete jobsToExecute; jobsToExecute = NULL;
}
else
{
if (!(jobs->JobsStillRunning ()))
{
keepOnRunning = false;
}
else
{
// We will sleep for a bit until there are more jobs to run
log.Level (10) << "KKJobManager::Run No jobs avaialble to run; will sleep a bit." << endl;
osSleep ((float)(30 + rand () % 10));
}
}
if (keepOnRunning)
jobsToExecute = GetNextSetOfJobs (executedJobs);
delete executedJobs; executedJobs = NULL;
}
Block ();
StatusFileRefresh ();
if ((!quitRunning) && (status != KKJob::jsDone))
{
if (status != KKJob::jsDone)
{
GenerateFinalResultsReport ();
status = KKJob::jsDone;
ofstream* statusFile = StatusFileOpen (ios::app);
*statusFile << "Status" << "\t" << StatusStr () << endl;
ReportCpuTimeUsed (statusFile);
statusFile->close ();
delete statusFile;
}
}
EndBlock ();
log.Level (10) << "KKJobManager::Run Exiting." << endl;
} /* Run */
KKJobListPtr KKJobManager::GetNextSetOfJobs (KKJobListPtr completedJobs)
{
log.Level (20) << "KKJobManager::GetNextSetOfJobs." << endl;
Block ();
StatusFileRefresh ();
if (completedJobs)
{
// We will first write out results of jobs that have been completed,
ofstream* statusFile = StatusFileOpen (ios::app);
KKJobList::iterator idx;
for (idx = completedJobs->begin (); idx != completedJobs->end (); idx++)
{
KKJobPtr j = *idx;
*statusFile << "KKJob" << "\t" << j->JobType () << "\t" << j->ToStatusStr () << endl;
if (supportCompletedJobData)
{
*statusFile << "<KKJob JobType=" << j->JobType () << ", " << "JobId=" << j->JobId () << ">" << endl;
j->CompletedJobDataWrite (*statusFile);
*statusFile << "</job>" << endl;
}
KKJobPtr existingJob = jobs->LookUpByJobId (j->JobId ());
if (existingJob)
{
existingJob->ReFresh (*j);
}
else
{
log.Level (-1) << endl << endl << endl
<< "GetNextSetOfJobs *** ERROR ***" << endl
<< endl
<< " Could not locate KKJob[" << j->JobId () << "]" << endl
<< endl;
return NULL;
}
}
statusFile->close ();
delete statusFile; statusFile = NULL;
}
KKJobListPtr jobsToExecute = new KKJobList (this);
jobsToExecute->Owner (false);
if (!quitRunning)
{
ofstream* statusFile = StatusFileOpen (ios::app);
KKJobPtr nextJob = jobs->LocateOpenJob ();
if (!nextJob)
{
if (jobs->AreAllJobsDone ())
{
// There are no jobs to do; we will have to expand some existing jobs then
ProcessNextExpansion (*statusFile);
nextJob = jobs->LocateOpenJob ();
}
else
{
// There are still some jobs that are running. We are going to go to
// for now and try again later.
//
// By leaving "nextJob = NULL" we will drop strait through the rest of
// this method and return to the caller with 'jobsToExecute' empty
// signaling that it will need to sleep for a while before calling
// us again.
}
}
while (nextJob && (jobsToExecute->QueueSize () < numJobsAtATime))
{
jobsToExecute->PushOnBack (nextJob);
nextJob->Status (jsStarted);
*statusFile << "JobStatusChange" << "\t" << nextJob->JobId () << "\t" << nextJob->StatusStr () << endl;
nextJob = jobs->LocateOpenJob ();
}
statusFile->close ();
}
if (jobsToExecute->QueueSize () < 1)
{
delete jobsToExecute;
jobsToExecute = NULL;
}
EndBlock ();
log.Level (20) << "KKJobManager::GetNextSetOfJobs Exiting." << endl;
return jobsToExecute;
} /* GetNextSetOfJobs */