Exemplo n.º 1
0
PsmAddress	sm_rbt_last(PsmPartition partition, PsmAddress rbt)
{
	SmRbt		*rbtPtr;
	PsmAddress	node;
	PsmAddress	last = 0;
	SmRbtNode	*nodePtr;

	CHKZERO(partition);
	CHKZERO(rbt);
	rbtPtr = (SmRbt *) psp(partition, rbt);
	CHKZERO(rbtPtr);
	if (lockSmrbt(rbtPtr) == ERROR)
	{
		return 0;
	}

	node = rbtPtr->root;
	while (node)
	{
		last = node;
		nodePtr = (SmRbtNode *) psp(partition, node);
		if (nodePtr == NULL)
		{
			putErrmsg("Corrupt red-black tree.", NULL);
			last = 0;
			break;
		}

		node = nodePtr->child[RIGHT];
	}

	unlockSmrbt(rbtPtr);
	return last;
}
Exemplo n.º 2
0
PsmAddress	Sm_list_insert_after(const char *fileName, int lineNbr,
			PsmPartition partition, PsmAddress oldElt,
			PsmAddress data)
{
	SmListElt	*oldEltBuffer;
	PsmAddress	list;
	SmList		*listBuffer;

	CHKZERO(partition);
	CHKZERO(oldElt);
	oldEltBuffer = (SmListElt *) psp(partition, oldElt);
	CHKZERO(oldEltBuffer);
	if ((list = oldEltBuffer->list) == 0)
	{
		putErrmsg(_noListMsg(), NULL);
		return 0;
	}

	listBuffer = (SmList *) psp(partition, list);
	if (lockSmlist(listBuffer) == ERROR)
	{
		putErrmsg(_cannotLockMsg(), NULL);
		return 0;
	}

	return finishInsertingAfter(fileName, lineNbr, partition, oldElt,
			oldEltBuffer, list, listBuffer, data);
}
Exemplo n.º 3
0
PsmAddress	Sm_rbt_traverse(PsmPartition partition, PsmAddress fromNode,
			int direction)
{
	SmRbtNode	*nodePtr;
	SmRbt		*rbtPtr;
	int		nextNode;

	CHKZERO(partition);
	CHKZERO(fromNode);
	nodePtr = (SmRbtNode *) psp(partition, fromNode);
	CHKZERO(nodePtr);
	rbtPtr = (SmRbt *) psp(partition, nodePtr->rbt);
	CHKZERO(rbtPtr);
	if (lockSmrbt(rbtPtr) == ERROR)
	{
		return 0;
	}

	if (direction != LEFT)
	{
		direction = RIGHT;
	}

	nextNode = traverseRbt(partition, fromNode, direction);
	unlockSmrbt(rbtPtr);
	return nextNode;
}
Exemplo n.º 4
0
PsmAddress	postProbeEvent(IonNode *node, Embargo *embargo)
{
	PsmPartition	ionwm = getIonwm();
	PsmAddress	addr;
	IonProbe	*probe;
	IonVdb		*ionvdb;
	IonNeighbor	*neighbor;
	PsmAddress	nextElt;
	unsigned int	rtlt;		/*	Round-trip light time.	*/
	int		interval = 6;	/*	Minimum 6-sec interval.	*/
	PsmAddress	elt;
	IonProbe	*pr;

	CHKZERO(node);
	CHKZERO(embargo);
	addr = psm_zalloc(ionwm, sizeof(IonProbe));
	if (addr == 0)
	{
		putErrmsg("Can't create probe event.", NULL);
		return 0;
	}

	probe = (IonProbe *) psp(ionwm, addr);
	CHKZERO(probe);
	probe->time = getUTCTime();
	probe->destNodeNbr = node->nodeNbr;
	probe->neighborNodeNbr = embargo->nodeNbr;

	/*	Schedule next probe of this embargoed neighbor for the
	 *	time that is the current time plus 2x the round-trip
	 *	light time from the local node to the neighbor (but
	 *	at least 6 seconds).					*/
	 
	ionvdb = getIonVdb();
	neighbor = findNeighbor(ionvdb, embargo->nodeNbr, &nextElt);
	if (neighbor)
	{
		rtlt = (neighbor->owltOutbound + neighbor->owltInbound) << 1;
		if (rtlt > interval)
		{
			interval = rtlt;
		}
	}

	probe->time += interval;
	for (elt = sm_list_last(ionwm, ionvdb->probes); elt;
			elt = sm_list_prev(ionwm, elt))
	{
		pr = (IonProbe *) psp(ionwm, sm_list_data(ionwm, elt));
		CHKZERO(pr);
		if (pr->time <= probe->time)
		{
			return sm_list_insert_after(ionwm, elt, addr);
		}
	}

	return sm_list_insert_first(ionwm, ionvdb->probes, addr);
}
Exemplo n.º 5
0
PsmAddress	Sm_list_insert(const char *fileName, int lineNbr,
			PsmPartition partition, PsmAddress list,
			PsmAddress data, SmListCompareFn compare, void *argData)
{
	SmList		*listBuffer;
	PsmAddress	elt;
	SmListElt	*eltBuffer;

	if (compare == (SmListCompareFn) NULL)
	{
		/*	List is assumed to be unsorted.  We simply
			add the new element at the end of the list.	*/

		return Sm_list_insert_last(fileName, lineNbr, partition,
				list, data);
	}

	/*	Using user-specified comparison function.  List is
		assumed to be in sorted order.				*/

	CHKZERO(partition);
	CHKZERO(list);
	listBuffer = (SmList *) psp(partition, list);
	CHKZERO(listBuffer);
	if (lockSmlist(listBuffer) == ERROR)
	{
		putErrmsg(_cannotLockMsg(), NULL);
		return 0;
	}

	/*	Find position to insert new data into list.
		Start from end of list to keep sort stable;
		sort sequence is implicitly FIFO within key,
		i.e., we insert element AFTER the last element
		in the table with the same key value.			*/

	for (elt = listBuffer->last; elt != 0; elt = eltBuffer->prev)
	{
		eltBuffer = (SmListElt *) psp(partition, elt);
		CHKZERO(eltBuffer);
		if (compare(partition, eltBuffer->data, argData) <= 0)
		{
			break;
		}
	}

	/* insert into list */

	if (elt == 0)
	{
		return finishInsertingFirst(fileName, lineNbr, partition, list,
				listBuffer, data);
	}

	return finishInsertingAfter(fileName, lineNbr, partition, elt,
			eltBuffer, list, listBuffer, data);
}
Exemplo n.º 6
0
PsmAddress	Sm_list_insert_before(const char *fileName, int lineNbr,
			PsmPartition partition, PsmAddress oldElt,
			PsmAddress data)
{
	SmListElt	*oldEltBuffer;
	PsmAddress	list;
	SmList		*listBuffer;
	PsmAddress	elt;
	SmListElt	*eltBuffer;

	CHKZERO(partition);
	CHKZERO(oldElt);
	oldEltBuffer = (SmListElt *) psp(partition, oldElt);
	CHKZERO(oldEltBuffer);
	if ((list = oldEltBuffer->list) == 0)
	{
		putErrmsg(_noListMsg(), NULL);
		return 0;
	}

	listBuffer = (SmList *) psp(partition, list);
	if (lockSmlist(listBuffer) == ERROR)
	{
		putErrmsg(_cannotLockMsg(), NULL);
		return 0;
	}

	elt = Psm_zalloc(fileName, lineNbr, partition, sizeof(SmListElt));
	if (elt == 0)
	{
		unlockSmlist(listBuffer);
		putErrmsg(_noSpaceForEltMsg(), NULL);
		return 0;
	}

	eltBuffer = (SmListElt *) psp(partition, elt);
	eraseListElt(eltBuffer);
	eltBuffer->list = list;
	eltBuffer->data = data;
	eltBuffer->prev = oldEltBuffer->prev;
	eltBuffer->next = oldElt;
	if (oldEltBuffer->prev != 0)
	{
		eltBuffer = (SmListElt *) psp(partition, oldEltBuffer->prev);
		CHKZERO(eltBuffer);
		eltBuffer->next = elt;
	}
	else
	{
		listBuffer->first = elt;
	}

	oldEltBuffer->prev = elt;
	listBuffer->length += 1;
	unlockSmlist(listBuffer);
	return elt;
}
Exemplo n.º 7
0
Object	sdr_list_prev(Sdr sdrv, Object elt)
{
	SdrListElt	eltBuffer;

	CHKZERO(sdrFetchSafe(sdrv));
	CHKZERO(elt);
	sdrFetch(eltBuffer, (Address) elt);
	return eltBuffer.prev;
}
Exemplo n.º 8
0
Object	sdr_list_last(Sdr sdrv, Object list)
{
	SdrList		listBuffer;

	CHKZERO(sdrFetchSafe(sdrv));
	CHKZERO(list);
	sdrFetch(listBuffer, (Address) list);
	return listBuffer.last;
}
Exemplo n.º 9
0
vast	ionAppendZcoExtent(Object zco, ZcoMedium source, Object location,
		vast offset, vast size, int *cancel)
{
	Sdr	sdr = getIonsdr();
	IonVdb	*vdb = _ionvdb(NULL);
	Object	length;
	int	admissionDelayed = 0;

	CHKZERO(vdb);
	if (cancel)
	{
		*cancel = 0;		/*	Initialize.		*/
	}

	CHKZERO(sdr_begin_xn(sdr));
	while (1)
	{
		length = zco_append_extent(sdr, zco, source, location, offset,
				size);
		if (sdr_end_xn(sdr) < 0 || length == ERROR)
		{
			putErrmsg("Can't create ZCO.", NULL);
			return ERROR;
		}

		if (length == 0)	/*	Not enough ZCO space.	*/
		{
			if (admissionDelayed)
			{
				ionReleaseZcoSpace(vdb);
			}

			admissionDelayed = 1;
			if (ionWaitForZcoSpace(vdb) == 1)
			{
				if (cancel && *cancel)
				{
					return 0;
				}

				CHKZERO(sdr_begin_xn(sdr));
				continue;
			}

			return ERROR;
		}

		/*	ZCO extent was appended.			*/

		if (admissionDelayed)
		{
			ionReleaseZcoSpace(vdb);
		}

		return length;
	}
}
Exemplo n.º 10
0
Object	ionCreateZco(ZcoMedium source, Object location, vast offset, vast size,
		int *cancel)
{
	Sdr	sdr = getIonsdr();
	IonVdb	*vdb = _ionvdb(NULL);
	Object	zco;
	int	admissionDelayed = 0;

	CHKZERO(vdb);
	if (cancel)
	{
		*cancel = 0;		/*	Initialize.		*/
	}

	CHKZERO(sdr_begin_xn(sdr));
	while (1)
	{
		zco = zco_create(sdr, source, location, offset, size);
		if (sdr_end_xn(sdr) < 0 || zco == (Object) ERROR)
		{
			putErrmsg("Can't create ZCO.", NULL);
			return 0;
		}

		if (zco == 0)	/*	Not enough ZCO space.		*/
		{
			if (admissionDelayed)
			{
				ionReleaseZcoSpace(vdb);
			}

			admissionDelayed = 1;
			if (ionWaitForZcoSpace(vdb) == 1)
			{
				if (cancel && *cancel)
				{
					return 0;
				}

				CHKZERO(sdr_begin_xn(sdr));
				continue;
			}

			return 0;
		}

		/*	ZCO was created.				*/

		if (admissionDelayed)
		{
			ionReleaseZcoSpace(vdb);
		}

		return zco;
	}
}
Exemplo n.º 11
0
PsmAddress	sm_rbt_data(PsmPartition partition, PsmAddress node)
{
	SmRbtNode	*nodePtr;

	CHKZERO(partition);
	CHKZERO(node);
	nodePtr = (SmRbtNode *) psp(partition, node);
	CHKZERO(nodePtr);
	return nodePtr->data;
}
Exemplo n.º 12
0
PsmAddress	sm_list_data(PsmPartition partition, PsmAddress elt)
{
	SmListElt	*eltBuffer;

	CHKZERO(partition);
	CHKZERO(elt);
	eltBuffer = (SmListElt *) psp(partition, elt);
	CHKZERO(eltBuffer);
	return eltBuffer->data;
}
Exemplo n.º 13
0
Arquivo: sdrlist.c Projeto: b/ION
Address	sdr_list_user_data(Sdr sdrv, Object list)
{
	SdrState	*sdr;
	SdrList		listBuffer;

	CHKZERO(sdrv);
	CHKZERO(list);
	sdr = sdrv->sdr;
	CHKZERO(takeSdr(sdr) == 0);
	sdrFetch(listBuffer, list);
	releaseSdr(sdr);
	return listBuffer.userData;
}
Exemplo n.º 14
0
Arquivo: sdrlist.c Projeto: b/ION
Object	sdr_list_last(Sdr sdrv, Object list)
{
	SdrState	*sdr;
	SdrList		listBuffer;

	CHKZERO(sdrv);
	CHKZERO(list);
	sdr = sdrv->sdr;
	CHKZERO(takeSdr(sdr) == 0);
	sdrFetch(listBuffer, (Address) list);
	releaseSdr(sdr);
	return listBuffer.last;
}
Exemplo n.º 15
0
Arquivo: sdrlist.c Projeto: b/ION
Address	sdr_list_data(Sdr sdrv, Object elt)
{
	SdrState	*sdr;
	SdrListElt	eltBuffer;

	CHKZERO(sdrv);
	CHKZERO(elt);
	sdr = sdrv->sdr;
	CHKZERO(takeSdr(sdr) == 0);
	sdrFetch(eltBuffer, (Address) elt);
	releaseSdr(sdr);
	return eltBuffer.data;
}
Exemplo n.º 16
0
int	_extractSmallSdnv(unsigned int *into, unsigned char **from,
		int *remnant, int lineNbr)
{
	int	sdnvLength;
	uvast	val;

	CHKZERO(into && from && remnant);
	if (*remnant < 1)
	{
		writeMemoNote("[?] Missing SDNV at line...", itoa(lineNbr));
		return 0;
	}

	sdnvLength = decodeSdnv(&val, *from);
	if (sdnvLength < 1)
	{
		writeMemoNote("[?] Invalid SDNV at line...", itoa(lineNbr));
		return 0;
	}

	*into = val;				/*	Truncate.	*/
	(*from) += sdnvLength;
	(*remnant) -= sdnvLength;
	return sdnvLength;
}
Exemplo n.º 17
0
Object getOrMakeCustodianByEid(Object custodians, const char *eid)
{
    Object custodianAddr;

    /* Try to find custodian info if it exists. */
    CHKZERO(sdr_begin_xn(acsSdr));
    custodianAddr = findCustodianByEid(custodians, eid);
    if(sdr_end_xn(acsSdr) < 0)
    {
        putErrmsg("Can't search custodian database", eid);
        return 0;
    }

    /* If no custodian info, make it. */
    if(custodianAddr == 0)
    {
        custodianAddr = newSdrAcsCustodian(custodians, eid);
        if(custodianAddr == 0)
        {
            ACSLOG_WARN("Couldn't record new custodian info for %s", eid);
            return 0;
        }
    }
    return custodianAddr;
}
Exemplo n.º 18
0
static Object newSdrAcsCustodian(Object custodians, const char *eid)
{
    Object newCustodianAddr;
    SdrAcsPendingCust newCustodian;

    memset(&newCustodian, 0, sizeof(newCustodian));
    strncpy(newCustodian.eid, eid, MAX_EID_LEN);
    newCustodian.eid[MAX_EID_LEN] = '\0';

    /* Set default ACS size and delay. */
    newCustodian.acsDelay = 2;
    newCustodian.acsSize = 300;

    CHKZERO(sdr_begin_xn(acsSdr));
    newCustodianAddr = sdr_malloc(acsSdr, sizeof(newCustodian));
    newCustodian.signals = sdr_list_create(acsSdr);
    sdr_poke(acsSdr, newCustodianAddr, newCustodian);
    sdr_list_insert_last(acsSdr, custodians, newCustodianAddr);
    if(sdr_end_xn(acsSdr) < 0)
    {
        ACSLOG_WARN("Couldn't create new custodian info for %s", eid);
        return 0;
    }
    return newCustodianAddr;
}
Exemplo n.º 19
0
Address	sdr_list_data(Sdr sdrv, Object elt)
{
	SdrListElt	eltBuffer;

	CHKZERO(elt);
	sdrFetch(eltBuffer, (Address) elt);
	return eltBuffer.data;
}
Exemplo n.º 20
0
Object	sdr_list_list(Sdr sdrv, Object elt)
{
	SdrListElt	eltBuffer;

	CHKZERO(elt);
	sdrFetch(eltBuffer, (Address) elt);
	return eltBuffer.list;
}
Exemplo n.º 21
0
Address	sdr_list_user_data(Sdr sdrv, Object list)
{
	SdrList		listBuffer;

	CHKZERO(list);
	sdrFetch(listBuffer, list);
	return listBuffer.userData;
}
Exemplo n.º 22
0
PsmAddress	sm_list_user_data(PsmPartition partition, PsmAddress list)
{
	SmList		*listBuffer;
	PsmAddress	userData;

	CHKZERO(partition);
	CHKZERO(list);
	listBuffer = (SmList *) psp(partition, list);
	CHKZERO(listBuffer);
	if (lockSmlist(listBuffer) == ERROR)
	{
		return 0;
	}

	userData = listBuffer->userData;
	unlockSmlist(listBuffer);
	return userData;
}
Exemplo n.º 23
0
PsmAddress	sm_rbt_user_data(PsmPartition partition, PsmAddress rbt)
{
	SmRbt		*rbtPtr;
	PsmAddress	userData;

	CHKZERO(partition);
	CHKZERO(rbt);
	rbtPtr = (SmRbt *) psp(partition, rbt);
	CHKZERO(rbtPtr);
	if (lockSmrbt(rbtPtr) == ERROR)
	{
		return 0;
	}

	userData = rbtPtr->userData;
	unlockSmrbt(rbtPtr);
	return userData;
}
Exemplo n.º 24
0
Object	sdr_list_first(Sdr sdrv, Object list)
{
	//TODO stub
	//SdrList		listBuffer;
	//CHKZERO(sdrFetchSafe(sdrv));
	CHKZERO(list);
	//sdrFetch(listBuffer, (Address) list);
	//return listBuffer.first;
	return sm_list_first(sdrv, list);
}
Exemplo n.º 25
0
PsmAddress	sm_list_last(PsmPartition partition, PsmAddress list)
{
	SmList		*listBuffer;
	PsmAddress	last;

	CHKZERO(partition);
	CHKZERO(list);
	listBuffer = (SmList *) psp(partition, list);
	CHKZERO(listBuffer);
	if (lockSmlist(listBuffer) == ERROR)
	{
		putErrmsg("Can't get last element.", NULL);
		return 0;
	}

	last = listBuffer->last;
	unlockSmlist(listBuffer);
	return last;
}
Exemplo n.º 26
0
Object	sdr_list_prev(Sdr sdrv, Object elt)
{
	//TODO stub
	//SdrListElt	eltBuffer;

	//CHKZERO(sdrFetchSafe(sdrv));
	CHKZERO(elt);
	//sdrFetch(eltBuffer, (Address) elt);
	//return eltBuffer.prev;
	return sm_list_prev(sdrv, elt);
}
Exemplo n.º 27
0
PsmAddress	psm_get_root(PsmPartition partition)
{
	PartitionMap	*map;
	PsmAddress	root;

	CHKZERO(partition);
	map = (PartitionMap *) (partition->space);
	lockPartition(map);
	root = map->directory;
	unlockPartition(map);
	return root;
}
Exemplo n.º 28
0
int	acslist(int a1, int a2, int a3, int a4, int a5,
		int a6, int a7, int a8, int a9, int a10)
{
#else
int	main(int argc, char **argv)
{
	if(argc > 1) {
		if (strcmp(argv[1], "-s") == 0 ||
				strcmp(argv[1], "--stdout") == 0) {
			printToStdout = 1;
			argc--;
			argv++;
		}
	}
#endif
	Sdr acsSdr;

	/* Attach to ACS database. */
	if (acsAttach() < 0)
	{
		putErrmsg("Can't attach to ACS.", NULL);
		return 1;
	}
	acsSdr = getAcssdr();


	/* Lock SDR and check the database. */
	CHKZERO(sdr_begin_xn(acsSdr));
	printAndCheckByCids(acsSdr);
	checkByBids(acsSdr);
	sdr_exit_xn(acsSdr);


	/* Cleanup */
	writeErrmsgMemos();
	acsDetach();
	bp_detach();
	return errors == 0 ? 0 : 1;
}
Exemplo n.º 29
0
static PsmAddress	finishInsertingAfter(const char *fileName, int lineNbr,
				PsmPartition partition, PsmAddress oldElt,
				SmListElt *oldEltBuffer, PsmAddress list,
				SmList *listBuffer, PsmAddress data)
{
	PsmAddress	elt;
	SmListElt	*eltBuffer;

	elt = Psm_zalloc(fileName, lineNbr, partition, sizeof(SmListElt));
	if (elt == 0)
	{
		unlockSmlist(listBuffer);
		putErrmsg(_noSpaceForEltMsg(), NULL);
		return 0;
	}

	eltBuffer = (SmListElt *) psp(partition, elt);
	eraseListElt(eltBuffer);
	eltBuffer->list = list;
	eltBuffer->data = data;
	eltBuffer->next = oldEltBuffer->next;
	eltBuffer->prev = oldElt;
	if (oldEltBuffer->next != 0)
	{
		eltBuffer = (SmListElt *) psp(partition, oldEltBuffer->next);
		CHKZERO(eltBuffer);
		eltBuffer->prev = elt;
	}
	else
	{
		listBuffer->last = elt;
	}

	oldEltBuffer->next = elt;
	listBuffer->length += 1;
	unlockSmlist(listBuffer);
	return elt;
}
Exemplo n.º 30
0
Arquivo: ion.c Projeto: b/ION
int	_extractSdnv(unsigned long *into, unsigned char **from, int *remnant,
		int lineNbr)
{
	int	sdnvLength;

	CHKZERO(into && from && remnant);
	if (*remnant < 1)
	{
		writeMemoNote("[?] Missing SDNV at line...", itoa(lineNbr));
		return 0;
	}

	sdnvLength = decodeSdnv(into, *from);
	if (sdnvLength < 1)
	{
		writeMemoNote("[?] Invalid SDNV at line...", itoa(lineNbr));
		return 0;
	}

	(*from) += sdnvLength;
	(*remnant) -= sdnvLength;
	return sdnvLength;
}