Exemplo n.º 1
0
ClassAd *CollectorEngine::
collect (int command,ClassAd *clientAd,const condor_sockaddr& from,int &insert,Sock *sock)
{
	ClassAd		*retVal;
	ClassAd		*pvtAd;
	int		insPvt;
	AdNameHashKey		hk;
	HashString	hashString;
	static int repeatStartdAds = -1;		// for debugging
	ClassAd		*clientAdToRepeat = NULL;
	_condor_auto_accum_runtime<collector_runtime_probe> rt(CollectorEngine_rucc_runtime);
	double rt_last = rt.begin;

	if (repeatStartdAds == -1) {
		repeatStartdAds = param_integer("COLLECTOR_REPEAT_STARTD_ADS",0);
	}

	if( !ValidateClassAd(command,clientAd,sock) ) {
		return NULL;
	}

	CollectorEngine_rucc_validateAd_runtime.Add(rt.tick(rt_last));

	// mux on command
	switch (command)
	{
	  case UPDATE_STARTD_AD:
	  case UPDATE_STARTD_AD_WITH_ACK:
		if ( repeatStartdAds > 0 ) {
			clientAdToRepeat = new ClassAd(*clientAd);
		}
		if (!makeStartdAdHashKey (hk, clientAd))
		{
			dprintf (D_ALWAYS, "Could not make hashkey --- ignoring ad\n");
			insert = -3;
			retVal = 0;
			break;
		}
		hashString.Build( hk );

		CollectorEngine_rucc_makeHashKey_runtime.Add(rt.tick(rt_last));

		retVal=updateClassAd (StartdAds, "StartdAd     ", "Start",
							  clientAd, hk, hashString, insert, from );

		if (last_updateClassAd_was_insert) { CollectorEngine_rucc_insertAd_runtime.Add(rt.tick(rt_last));
		} else { CollectorEngine_rucc_updateAd_runtime.Add(rt.tick(rt_last)); }

		// if we want to store private ads
		if (!sock)
		{
			dprintf (D_ALWAYS, "Want private ads, but no socket given!\n");
			break;
		}
		else
		{
			if (!(pvtAd = new ClassAd))
			{
				EXCEPT ("Memory error!");
			}
			if( !getClassAd(sock, *pvtAd) )
			{
				dprintf(D_FULLDEBUG,"\t(Could not get startd's private ad)\n");
				delete pvtAd;
				break;
			}

				// Fix up some stuff in the private ad that we depend on.
				// We started doing this in 7.2.0, so once we no longer
				// care about compatibility with stuff from before then,
				// the startd could stop bothering to send these attributes.

				// Queries of private ads depend on the following:
			SetMyTypeName( *pvtAd, STARTD_ADTYPE );

				// Negotiator matches up private ad with public ad by
				// using the following.
			if( retVal ) {
				CopyAttribute( ATTR_MY_ADDRESS, *pvtAd, *retVal );
				CopyAttribute( ATTR_NAME, *pvtAd, *retVal );
			}

			CollectorEngine_rucc_getPvtAd_runtime.Add(rt.tick(rt_last));

			// insert the private ad into its hashtable --- use the same
			// hash key as the public ad
			(void) updateClassAd (StartdPrivateAds, "StartdPvtAd  ",
								  "StartdPvt", pvtAd, hk, hashString, insPvt,
								  from );
			if (last_updateClassAd_was_insert) { CollectorEngine_rucc_insertPvtAd_runtime.Add(rt.tick(rt_last));
			} else { CollectorEngine_rucc_updatePvtAd_runtime.Add(rt.tick(rt_last)); }
		}

		// create fake duplicates of this ad, each with a different name, if
		// we are told to do so.  this feature exists for developer
		// scalability testing.
		if ( repeatStartdAds > 0 && clientAdToRepeat ) {
			ClassAd *fakeAd;
			int n;
			char newname[150],oldname[130];
			oldname[0] = '\0';
			clientAdToRepeat->LookupString("Name",oldname,sizeof(oldname));
			for (n=0;n<repeatStartdAds;n++) {
				fakeAd = new ClassAd(*clientAdToRepeat);
				snprintf(newname,sizeof(newname),
						 "Name=\"fake%d-%s\"",n,oldname);
				fakeAd->Insert(newname);
				makeStartdAdHashKey (hk, fakeAd);
				hashString.Build( hk );
				if (! updateClassAd (StartdAds, "StartdAd     ", "Start",
							  fakeAd, hk, hashString, insert, from ) )
				{
					// don't leak memory if there is some failure
					delete fakeAd;
				}
			}
			delete clientAdToRepeat;
			clientAdToRepeat = NULL;
			CollectorEngine_rucc_repeatAd_runtime.Add(rt.tick(rt_last));
		}
		break;

	  case MERGE_STARTD_AD:
		if (!makeStartdAdHashKey (hk, clientAd))
		{
			dprintf (D_ALWAYS, "Could not make hashkey --- ignoring ad\n");
			insert = -3;
			retVal = 0;
			break;
		}
		hashString.Build( hk );
		retVal=mergeClassAd (StartdAds, "StartdAd     ", "Start",
							  clientAd, hk, hashString, insert, from );
		break;

	  case UPDATE_SCHEDD_AD:
		if (!makeScheddAdHashKey (hk, clientAd))
		{
			dprintf (D_ALWAYS, "Could not make hashkey --- ignoring ad\n");
			insert = -3;
			retVal = 0;
			break;
		}
		hashString.Build( hk );
		retVal=updateClassAd (ScheddAds, "ScheddAd     ", "Schedd",
							  clientAd, hk, hashString, insert, from );
		break;

	  case UPDATE_SUBMITTOR_AD:
		// use the same hashkey function as a schedd ad
		if (!makeScheddAdHashKey (hk, clientAd))
		{
			dprintf (D_ALWAYS, "Could not make hashkey --- ignoring ad\n");
			insert = -3;
			retVal = 0;
			break;
		}
		// since submittor ads always follow a schedd ad, and a master check is
		// performed for schedd ads, we don't need a master check in here
		hashString.Build( hk );
		retVal=updateClassAd (SubmittorAds, "SubmittorAd  ", "Submittor",
							  clientAd, hk, hashString, insert, from );
		break;

	  case UPDATE_LICENSE_AD:
		// use the same hashkey function as a schedd ad
		if (!makeLicenseAdHashKey (hk, clientAd))
		{
			dprintf (D_ALWAYS, "Could not make hashkey --- ignoring ad\n");
			insert = -3;
			retVal = 0;
			break;
		}
		// since submittor ads always follow a schedd ad, and a master check is
		// performed for schedd ads, we don't need a master check in here
		hashString.Build( hk );
		retVal=updateClassAd (LicenseAds, "LicenseAd  ", "License",
							  clientAd, hk, hashString, insert, from );
		break;

	  case UPDATE_MASTER_AD:
		if (!makeMasterAdHashKey (hk, clientAd))
		{
			dprintf (D_ALWAYS, "Could not make hashkey --- ignoring ad\n");
			insert = -3;
			retVal = 0;
			break;
		}
		hashString.Build( hk );
		retVal=updateClassAd (MasterAds, "MasterAd     ", "Master",
							  clientAd, hk, hashString, insert, from );
		break;

	  case UPDATE_CKPT_SRVR_AD:
		if (!makeCkptSrvrAdHashKey (hk, clientAd))
		{
			dprintf (D_ALWAYS, "Could not make hashkey --- ignoring ad\n");
			insert = -3;
			retVal = 0;
			break;
		}
		hashString.Build( hk );
		retVal=updateClassAd (CkptServerAds, "CkptSrvrAd   ", "CkptSrvr",
							  clientAd, hk, hashString, insert, from );
		break;

	  case UPDATE_COLLECTOR_AD:
		if (!makeCollectorAdHashKey (hk, clientAd))
		{
			dprintf (D_ALWAYS, "Could not make hashkey --- ignoring ad\n");
			insert = -3;
			retVal = 0;
			break;
		}
		hashString.Build( hk );
		retVal=updateClassAd (CollectorAds, "CollectorAd  ", "Collector",
							  clientAd, hk, hashString, insert, from );
		break;

	  case UPDATE_STORAGE_AD:
		if (!makeStorageAdHashKey (hk, clientAd))
		{
			dprintf (D_ALWAYS, "Could not make hashkey --- ignoring ad\n");
			insert = -3;
			retVal = 0;
			break;
		}
		hashString.Build( hk );
		retVal=updateClassAd (StorageAds, "StorageAd  ", "Storage",
							  clientAd, hk, hashString, insert, from );
		break;

	  case UPDATE_ACCOUNTING_AD:
		if (!makeAccountingAdHashKey (hk, clientAd))
		{
			dprintf (D_ALWAYS, "Could not make hashkey --- ignoring ad\n");
			insert = -3;
			retVal = 0;
			break;
		}
		hashString.Build( hk );
		retVal=updateClassAd (AccountingAds, "AccountingAd  ", "Accouting",
							  clientAd, hk, hashString, insert, from );
		break;

	  case UPDATE_NEGOTIATOR_AD:
		if (!makeNegotiatorAdHashKey (hk, clientAd))
		{
			dprintf (D_ALWAYS, "Could not make hashkey --- ignoring ad\n");
			insert = -3;
			retVal = 0;
			break;
		}
		hashString.Build( hk );
		if (m_allowOnlyOneNegotiator) {
			// first, purge all the existing negotiator ads, since we
			// want to enforce that *ONLY* 1 negotiator is in the
			// collector any given time.
			purgeHashTable( NegotiatorAds );
		}
		retVal=updateClassAd (NegotiatorAds, "NegotiatorAd  ", "Negotiator",
							  clientAd, hk, hashString, insert, from );
		break;

	  case UPDATE_HAD_AD:
		if (!makeHadAdHashKey (hk, clientAd))
		{
			dprintf (D_ALWAYS, "Could not make hashkey --- ignoring ad\n");
			insert = -3;
			retVal = 0;
			break;
		}
		hashString.Build( hk );
		retVal=updateClassAd (HadAds, "HadAd  ", "HAD",
							  clientAd, hk, hashString, insert, from );
		break;

	  case UPDATE_GRID_AD:
		if (!makeGridAdHashKey(hk, clientAd))
		{
			dprintf (D_ALWAYS, "Could not make hashkey --- ignoring ad\n");
			insert = -3;
			retVal = 0;
			break;
		}
		hashString.Build( hk );
		retVal=updateClassAd (GridAds, "GridAd  ", "Grid",
							  clientAd, hk, hashString, insert, from );
          break;

	  case UPDATE_AD_GENERIC:
	  {
		  const char *type_str = GetMyTypeName(*clientAd);
		  if (type_str == NULL) {
			  dprintf(D_ALWAYS, "collect: UPDATE_AD_GENERIC: ad has no type\n");
			  insert = -3;
			  retVal = 0;
			  break;
		  }
		  MyString type(type_str);
		  CollectorHashTable *cht = findOrCreateTable(type);
		  if (cht == NULL) {
			  dprintf(D_ALWAYS, "collect: findOrCreateTable failed\n");
			  insert = -3;
			  retVal = 0;
			  break;
		  }
		  if (!makeGenericAdHashKey (hk, clientAd))
		  {
			  dprintf(D_ALWAYS, "Could not make hashkey --- ignoring ad\n");
			  insert = -3;
			  retVal = 0;
			  break;
		  }
		  hashString.Build(hk);
		  retVal = updateClassAd(*cht, type_str, type_str, clientAd,
					 hk, hashString, insert, from);
		  break;
	  }

	  case QUERY_STARTD_ADS:
	  case QUERY_SCHEDD_ADS:
	  case QUERY_MASTER_ADS:
	  case QUERY_SUBMITTOR_ADS:
	  case QUERY_CKPT_SRVR_ADS:
	  case QUERY_STARTD_PVT_ADS:
	  case QUERY_COLLECTOR_ADS:
  	  case QUERY_NEGOTIATOR_ADS:
  	  case QUERY_HAD_ADS:
	  case QUERY_GENERIC_ADS:
	  case INVALIDATE_STARTD_ADS:
	  case INVALIDATE_SCHEDD_ADS:
	  case INVALIDATE_MASTER_ADS:
	  case INVALIDATE_CKPT_SRVR_ADS:
	  case INVALIDATE_SUBMITTOR_ADS:
	  case INVALIDATE_COLLECTOR_ADS:
	  case INVALIDATE_NEGOTIATOR_ADS:
	  case INVALIDATE_HAD_ADS:
	  case INVALIDATE_ADS_GENERIC:
		// these are not implemented in the engine, but we allow another
		// daemon to detect that these commands have been given
	    insert = -2;
		retVal = 0;
	    break;

	  default:
		dprintf (D_ALWAYS, "Received illegal command: %d\n", command);
		insert = -1;
		retVal = 0;
	}

	if (command != UPDATE_STARTD_AD && command != UPDATE_STARTD_AD_WITH_ACK) {
		CollectorEngine_rucc_other_runtime.Add(rt.tick(rt_last));
	}


	// return the updated ad
	return retVal;
}
ClassAd *CollectorEngine::
collect (int command,ClassAd *clientAd,const condor_sockaddr& from,int &insert,Sock *sock)
{
	ClassAd		*retVal;
	ClassAd		*pvtAd;
	int		insPvt;
	AdNameHashKey		hk;
	HashString	hashString;
	static int repeatStartdAds = -1;		// for debugging
	ClassAd		*clientAdToRepeat = NULL;

	if (repeatStartdAds == -1) {
		repeatStartdAds = param_integer("COLLECTOR_REPEAT_STARTD_ADS",0);
	}

	if( !ValidateClassAd(command,clientAd,sock) ) {
		return NULL;
	}

	// mux on command
	switch (command)
	{
	  case UPDATE_STARTD_AD:
	  case UPDATE_STARTD_AD_WITH_ACK:
#if !defined(WANT_OLD_CLASSADS)
		  clientAd->AddTargetRefs( TargetJobAttrs );
#endif
		if ( repeatStartdAds > 0 ) {
			clientAdToRepeat = new ClassAd(*clientAd);
		}
		if (!makeStartdAdHashKey (hk, clientAd))
		{
			dprintf (D_ALWAYS, "Could not make hashkey --- ignoring ad\n");
			insert = -3;
			retVal = 0;
			break;
		}
		hashString.Build( hk );
		retVal=updateClassAd (StartdAds, "StartdAd     ", "Start",
							  clientAd, hk, hashString, insert, from );

		// if we want to store private ads
		if (!sock)
		{
			dprintf (D_ALWAYS, "Want private ads, but no socket given!\n");
			break;
		}
		else
		{
			if (!(pvtAd = new ClassAd))
			{
				EXCEPT ("Memory error!");
			}
			if( !pvtAd->initFromStream(*sock) )
			{
				dprintf(D_FULLDEBUG,"\t(Could not get startd's private ad)\n");
				delete pvtAd;
				break;
			}

				// Fix up some stuff in the private ad that we depend on.
				// We started doing this in 7.2.0, so once we no longer
				// care about compatibility with stuff from before then,
				// the startd could stop bothering to send these attributes.

				// Queries of private ads depend on the following:
			pvtAd->SetMyTypeName( STARTD_ADTYPE );

				// Negotiator matches up private ad with public ad by
				// using the following.
			if( retVal ) {
				pvtAd->CopyAttribute( ATTR_MY_ADDRESS, retVal );
				pvtAd->CopyAttribute( ATTR_NAME, retVal );
			}


			// insert the private ad into its hashtable --- use the same
			// hash key as the public ad
			(void) updateClassAd (StartdPrivateAds, "StartdPvtAd  ",
								  "StartdPvt", pvtAd, hk, hashString, insPvt,
								  from );
		}

		// create fake duplicates of this ad, each with a different name, if
		// we are told to do so.  this feature exists for developer
		// scalability testing.
		if ( repeatStartdAds > 0 && clientAdToRepeat ) {
			ClassAd *fakeAd;
			int n;
			char newname[150],oldname[130];
			oldname[0] = '\0';
			clientAdToRepeat->LookupString("Name",oldname,sizeof(oldname));
			for (n=0;n<repeatStartdAds;n++) {
				fakeAd = new ClassAd(*clientAdToRepeat);
				snprintf(newname,sizeof(newname),
						 "Name=\"fake%d-%s\"",n,oldname);
				fakeAd->InsertOrUpdate(newname);
				makeStartdAdHashKey (hk, fakeAd);
				hashString.Build( hk );
				if (! updateClassAd (StartdAds, "StartdAd     ", "Start",
							  fakeAd, hk, hashString, insert, from ) )
				{
					// don't leak memory if there is some failure
					delete fakeAd;
				}
			}
			delete clientAdToRepeat;
			clientAdToRepeat = NULL;
		}
		break;

	  case MERGE_STARTD_AD:
#if !defined(WANT_OLD_CLASSADS)
		  clientAd->AddTargetRefs( TargetJobAttrs );
#endif
		if (!makeStartdAdHashKey (hk, clientAd))
		{
			dprintf (D_ALWAYS, "Could not make hashkey --- ignoring ad\n");
			insert = -3;
			retVal = 0;
			break;
		}
		hashString.Build( hk );
		retVal=mergeClassAd (StartdAds, "StartdAd     ", "Start",
							  clientAd, hk, hashString, insert, from );
		break;

#ifdef HAVE_EXT_POSTGRESQL
	  case UPDATE_QUILL_AD:
		if (!makeQuillAdHashKey (hk, clientAd))
		{
			dprintf (D_ALWAYS, "Could not make hashkey --- ignoring ad\n");
			insert = -3;
			retVal = 0;
			break;
		}
		hashString.Build( hk );
		retVal=updateClassAd (QuillAds, "QuillAd     ", "Quill",
							  clientAd, hk, hashString, insert, from );
		break;
#endif /* HAVE_EXT_POSTGRESQL */

	  case UPDATE_SCHEDD_AD:
		if (!makeScheddAdHashKey (hk, clientAd))
		{
			dprintf (D_ALWAYS, "Could not make hashkey --- ignoring ad\n");
			insert = -3;
			retVal = 0;
			break;
		}
		hashString.Build( hk );
		retVal=updateClassAd (ScheddAds, "ScheddAd     ", "Schedd",
							  clientAd, hk, hashString, insert, from );
		break;

	  case UPDATE_SUBMITTOR_AD:
		// use the same hashkey function as a schedd ad
		if (!makeScheddAdHashKey (hk, clientAd))
		{
			dprintf (D_ALWAYS, "Could not make hashkey --- ignoring ad\n");
			insert = -3;
			retVal = 0;
			break;
		}
		// CRUFT: Before 7.3.2, submitter ads had a MyType of
		//   "Scheduler". The only way to tell the difference
		//   was that submitter ads didn't have ATTR_NUM_USERS.
		//   Coerce MyStype to "Submitter" for ads coming from
		//   these older schedds.
		//   Before 7.7.3, submitter ads for parallel universe
		//   jobs had a MyType of "Scheduler".
		clientAd->SetMyTypeName( SUBMITTER_ADTYPE );
		// since submittor ads always follow a schedd ad, and a master check is
		// performed for schedd ads, we don't need a master check in here
		hashString.Build( hk );
		retVal=updateClassAd (SubmittorAds, "SubmittorAd  ", "Submittor",
							  clientAd, hk, hashString, insert, from );
		break;

	  case UPDATE_LICENSE_AD:
		// use the same hashkey function as a schedd ad
		if (!makeLicenseAdHashKey (hk, clientAd))
		{
			dprintf (D_ALWAYS, "Could not make hashkey --- ignoring ad\n");
			insert = -3;
			retVal = 0;
			break;
		}
		// since submittor ads always follow a schedd ad, and a master check is
		// performed for schedd ads, we don't need a master check in here
		hashString.Build( hk );
		retVal=updateClassAd (LicenseAds, "LicenseAd  ", "License",
							  clientAd, hk, hashString, insert, from );
		break;

	  case UPDATE_MASTER_AD:
		if (!makeMasterAdHashKey (hk, clientAd))
		{
			dprintf (D_ALWAYS, "Could not make hashkey --- ignoring ad\n");
			insert = -3;
			retVal = 0;
			break;
		}
		hashString.Build( hk );
		retVal=updateClassAd (MasterAds, "MasterAd     ", "Master",
							  clientAd, hk, hashString, insert, from );
		break;

	  case UPDATE_CKPT_SRVR_AD:
		if (!makeCkptSrvrAdHashKey (hk, clientAd))
		{
			dprintf (D_ALWAYS, "Could not make hashkey --- ignoring ad\n");
			insert = -3;
			retVal = 0;
			break;
		}
		hashString.Build( hk );
		retVal=updateClassAd (CkptServerAds, "CkptSrvrAd   ", "CkptSrvr",
							  clientAd, hk, hashString, insert, from );
		break;

	  case UPDATE_COLLECTOR_AD:
		if (!makeCollectorAdHashKey (hk, clientAd))
		{
			dprintf (D_ALWAYS, "Could not make hashkey --- ignoring ad\n");
			insert = -3;
			retVal = 0;
			break;
		}
		hashString.Build( hk );
		retVal=updateClassAd (CollectorAds, "CollectorAd  ", "Collector",
							  clientAd, hk, hashString, insert, from );
		break;

	  case UPDATE_STORAGE_AD:
		if (!makeStorageAdHashKey (hk, clientAd))
		{
			dprintf (D_ALWAYS, "Could not make hashkey --- ignoring ad\n");
			insert = -3;
			retVal = 0;
			break;
		}
		hashString.Build( hk );
		retVal=updateClassAd (StorageAds, "StorageAd  ", "Storage",
							  clientAd, hk, hashString, insert, from );
		break;

	  case UPDATE_NEGOTIATOR_AD:
		if (!makeNegotiatorAdHashKey (hk, clientAd))
		{
			dprintf (D_ALWAYS, "Could not make hashkey --- ignoring ad\n");
			insert = -3;
			retVal = 0;
			break;
		}
		hashString.Build( hk );
			// first, purge all the existing negotiator ads, since we
			// want to enforce that *ONLY* 1 negotiator is in the
			// collector any given time.
		purgeHashTable( NegotiatorAds );
		retVal=updateClassAd (NegotiatorAds, "NegotiatorAd  ", "Negotiator",
							  clientAd, hk, hashString, insert, from );
		break;

	  case UPDATE_HAD_AD:
		if (!makeHadAdHashKey (hk, clientAd))
		{
			dprintf (D_ALWAYS, "Could not make hashkey --- ignoring ad\n");
			insert = -3;
			retVal = 0;
			break;
		}
		hashString.Build( hk );
		retVal=updateClassAd (HadAds, "HadAd  ", "HAD",
							  clientAd, hk, hashString, insert, from );
		break;

	  case UPDATE_GRID_AD:
		if (!makeGridAdHashKey(hk, clientAd))
		{
			dprintf (D_ALWAYS, "Could not make hashkey --- ignoring ad\n");
			insert = -3;
			retVal = 0;
			break;
		}
		hashString.Build( hk );
		retVal=updateClassAd (GridAds, "GridAd  ", "Grid",
							  clientAd, hk, hashString, insert, from );
          break;

	  case UPDATE_AD_GENERIC:
	  {
		  const char *type_str = clientAd->GetMyTypeName();
		  if (type_str == NULL) {
			  dprintf(D_ALWAYS, "collect: UPDATE_AD_GENERIC: ad has no type\n");
			  insert = -3;
			  retVal = 0;
			  break;
		  }
		  MyString type(type_str);
		  CollectorHashTable *cht = findOrCreateTable(type);
		  if (cht == NULL) {
			  dprintf(D_ALWAYS, "collect: findOrCreateTable failed\n");
			  insert = -3;
			  retVal = 0;
			  break;
		  }
		  if (!makeGenericAdHashKey (hk, clientAd))
		  {
			  dprintf(D_ALWAYS, "Could not make haskey --- ignoring ad\n");
			  insert = -3;
			  retVal = 0;
			  break;
		  }
		  hashString.Build(hk);
		  retVal = updateClassAd(*cht, type_str, type_str, clientAd,
					 hk, hashString, insert, from);
		  break;
	  }

	  case UPDATE_XFER_SERVICE_AD:
		if (!makeXferServiceAdHashKey (hk, clientAd))
		{
			dprintf (D_ALWAYS, "Could not make hashkey --- ignoring ad\n");
			insert = -3;
			retVal = 0;
			break;
		}
		hashString.Build( hk );
		retVal=updateClassAd (XferServiceAds, "XferServiceAd  ",
							  "XferService",
							  clientAd, hk, hashString, insert, from );
		break;

	  case UPDATE_LEASE_MANAGER_AD:
		if (!makeLeaseManagerAdHashKey (hk, clientAd))
		{
			dprintf (D_ALWAYS, "Could not make hashkey --- ignoring ad\n");
			insert = -3;
			retVal = 0;
			break;
		}
		hashString.Build( hk );
			// first, purge all the existing LeaseManager ads, since we
			// want to enforce that *ONLY* 1 manager is in the
			// collector any given time.
		purgeHashTable( LeaseManagerAds );
		retVal=updateClassAd (LeaseManagerAds, "LeaseManagerAd  ",
							  "LeaseManager",
							  clientAd, hk, hashString, insert, from );
		break;


	  case QUERY_STARTD_ADS:
	  case QUERY_SCHEDD_ADS:
	  case QUERY_MASTER_ADS:
	  case QUERY_GATEWAY_ADS:
	  case QUERY_SUBMITTOR_ADS:
	  case QUERY_CKPT_SRVR_ADS:
	  case QUERY_STARTD_PVT_ADS:
	  case QUERY_COLLECTOR_ADS:
  	  case QUERY_NEGOTIATOR_ADS:
  	  case QUERY_HAD_ADS:
  	  case QUERY_XFER_SERVICE_ADS:
  	  case QUERY_LEASE_MANAGER_ADS:
	  case QUERY_GENERIC_ADS:
	  case INVALIDATE_STARTD_ADS:
	  case INVALIDATE_SCHEDD_ADS:
	  case INVALIDATE_MASTER_ADS:
	  case INVALIDATE_GATEWAY_ADS:
	  case INVALIDATE_CKPT_SRVR_ADS:
	  case INVALIDATE_SUBMITTOR_ADS:
	  case INVALIDATE_COLLECTOR_ADS:
	  case INVALIDATE_NEGOTIATOR_ADS:
	  case INVALIDATE_HAD_ADS:
	  case INVALIDATE_XFER_SERVICE_ADS:
	  case INVALIDATE_LEASE_MANAGER_ADS:
	  case INVALIDATE_ADS_GENERIC:
		// these are not implemented in the engine, but we allow another
		// daemon to detect that these commands have been given
	    insert = -2;
		retVal = 0;
	    break;

	  default:
		dprintf (D_ALWAYS, "Received illegal command: %d\n", command);
		insert = -1;
		retVal = 0;
	}

	// return the updated ad
	return retVal;
}