void dtn2_destroyDirective(FwdDirective *directive)
{
Sdr sdr = getIonsdr();
CHKVOID(directive);
if (directive->action == fwd)
{
CHKVOID(sdr_begin_xn(sdr));
sdr_free(sdr, directive->eid);
if (sdr_end_xn(sdr) < 0)
{
putErrmsg("Can't destroy directive EID.", NULL);
}
return;
}
if (directive->action == xmit)
{
if (directive->destDuctName)
{
CHKVOID(sdr_begin_xn(sdr));
sdr_free(sdr, directive->destDuctName);
if (sdr_end_xn(sdr) < 0)
{
putErrmsg("Can't destroy destDuctName.", NULL);
}
}
}
}
void ltpei_destroy_extension(Sdr sdr, Object elt, void *arg)
{
Object addr;
LtpExtensionOutbound ext;
addr = sdr_list_data(sdr, elt);
sdr_read(sdr, (char *) &ext, addr, sizeof(LtpExtensionOutbound));
if (ext.value)
{
sdr_free(sdr, ext.value);
}
sdr_free(sdr, addr);
}
int dtn2_removePlan(char *nodeNm)
{
Sdr sdr = getIonsdr();
char nodeName[SDRSTRING_BUFSZ];
Object elt;
Object planObj;
OBJ_POINTER(Dtn2Plan, plan);
CHKERR(nodeNm);
if (filterNodeName(nodeName, nodeNm) < 0)
{
return 0;
}
CHKERR(sdr_begin_xn(sdr));
elt = locatePlan(nodeName, NULL);
if (elt == 0)
{
sdr_exit_xn(sdr);
writeMemoNote("[?] Unknown plan", nodeNm);
return 0;
}
planObj = sdr_list_data(sdr, elt);
GET_OBJ_POINTER(sdr, Dtn2Plan, plan, planObj);
if (sdr_list_length(sdr, plan->rules) > 0)
{
sdr_exit_xn(sdr);
writeMemoNote("[?] Can't remove plan; still has rules", nodeNm);
return 0;
}
/* Okay to remove this plan from the database. */
sdr_list_delete(sdr, elt, NULL, NULL);
dtn2_destroyDirective(&(plan->defaultDirective));
sdr_list_destroy(sdr, plan->rules, NULL, NULL);
sdr_free(sdr, plan->nodeName);
sdr_free(sdr, planObj);
if (sdr_end_xn(sdr) < 0)
{
putErrmsg("Can't remove plan.", nodeNm);
return -1;
}
return 1;
}
int db_forget(Object *primitiveObj, Object *descObj, Object list)
{
Sdr sdr = getIonsdr();
Object elt;
if((primitiveObj == NULL) || (descObj == NULL) || (list == 0))
{
AMP_DEBUG_ERR("db_forget","Bad Params.",NULL);
return -1;
}
CHKERR(sdr_begin_xn(sdr));
if(*primitiveObj != 0)
{
sdr_free(sdr, *primitiveObj);
}
if(*descObj != 0)
{
elt = sdr_list_first(sdr, list);
while(elt)
{
if(sdr_list_data(sdr, elt) == *descObj)
{
sdr_list_delete(sdr, elt, NULL, NULL);
sdr_free(sdr, *descObj);
elt = 0;
}
else
{
elt = sdr_list_next(sdr, elt);
}
}
}
sdr_end_xn(sdr);
/* Forget now invalid SDR pointers. */
*descObj = 0;
*primitiveObj = 0;
return 1;
}
int dtn2_removeRule(char *nodeNm, char *demux)
{
Sdr sdr = getIonsdr();
char nodeName[SDRSTRING_BUFSZ];
Object elt;
OBJ_POINTER(Dtn2Plan, plan);
Object ruleAddr;
OBJ_POINTER(Dtn2Rule, rule);
CHKERR(nodeNm && demux);
if (*demux == '\0')
{
writeMemo("[?] Zero-length DTN2 rule demux.");
return 0;
}
if (filterNodeName(nodeName, nodeNm) < 0)
{
return 0;
}
CHKERR(sdr_begin_xn(sdr));
elt = locatePlan(nodeName, NULL);
if (elt == 0)
{
sdr_exit_xn(sdr);
writeMemoNote("[?] No plan defined for this node", nodeNm);
return 0;
}
GET_OBJ_POINTER(sdr, Dtn2Plan, plan, sdr_list_data(sdr, elt));
dtn2_findRule(nodeName, demux, plan, &ruleAddr, &elt);
if (elt == 0)
{
sdr_exit_xn(sdr);
writeMemoNote("[?] Unknown rule", demux);
return 0;
}
/* All parameters validated, okay to remove the rule. */
GET_OBJ_POINTER(sdr, Dtn2Rule, rule, ruleAddr);
dtn2_destroyDirective(&(rule->directive));
sdr_free(sdr, ruleAddr);
sdr_list_delete(sdr, elt, NULL, NULL);
if (sdr_end_xn(sdr) < 0)
{
putErrmsg("Can't remove rule.", NULL);
return -1;
}
return 1;
}
void destroyIonDb(char *iondbName)
{
Sdr sdr = getIonsdr();
IonDB iondbBuf;
Object iondbObj;
iondbObj = sdr_find(sdr, iondbName, NULL);
if (iondbObj == NULL)
return;
sdr_read(sdr, (char *) &iondbBuf, iondbObj, sizeof(IonDB));
sdr_list_destroy(sdr, iondbBuf.contacts, NULL, NULL);
sdr_list_destroy(sdr, iondbBuf.ranges, NULL, NULL);
sdr_free(sdr, iondbObj);
//fprintf(stderr, "ionDb destroyed: %d\n", getOwnNodeNbr());
}
static void releaseSdrAcsSignal(Object signalLElt)
{
Sdr bpSdr = getIonsdr();
Sdr acsSdr = getAcssdr();
Object signalAddr;
SdrAcsSignal signal;
SdrAcsPendingCust pendingCust;
assert(signalLElt != 0);
ASSERT_ACSSDR_XN;
ASSERT_BPSDR_XN;
if (acsSdr == NULL)
{
putErrmsg("Can't release ACS, SDR not available.", NULL);
return;
}
signalAddr = sdr_list_data(acsSdr, signalLElt);
if (signalAddr == 0) {
ACSLOG_ERROR("Can't derefence ACS signal to release it.");
return;
}
sdr_peek(acsSdr, signal, signalAddr);
sdr_peek(acsSdr, pendingCust, signal.pendingCustAddr);
/* Destroy the objects this AcsSignal contains */
sdr_list_destroy(acsSdr, signal.acsFills, releaseSdrAcsFill, NULL);
if(signal.acsDue != 0) {
destroyBpTimelineEvent(signal.acsDue);
}
if(signal.serializedZco != 0) {
zco_destroy(bpSdr, signal.serializedZco);
}
/* Destroy this AcsSignal */
sdr_free(acsSdr, signalAddr);
sdr_list_delete(acsSdr, signalLElt, NULL, NULL);
}
static void releaseSdrAcsFill(Sdr sdr, Object elt, void *arg)
{
sdr_free(sdr, sdr_list_data(sdr, elt));
}
static int dispatchEvents(Sdr sdr, Object events, time_t currentTime)
{
Object elt;
Object eventObj;
OBJ_POINTER(BpEvent, event);
int result;
while (1)
{
sdr_begin_xn(sdr);
CHKERR(ionLocked()); /* In case of killm. */
elt = sdr_list_first(sdr, events);
if (elt == 0) /* No more events to dispatch. */
{
sdr_exit_xn(sdr);
return 0;
}
eventObj = sdr_list_data(sdr, elt);
GET_OBJ_POINTER(sdr, BpEvent, event, eventObj);
if (event->time > currentTime)
{
/* This is the first future event. */
sdr_exit_xn(sdr);
return 0;
}
switch (event->type)
{
case expiredTTL:
result = bpDestroyBundle(event->ref, 1);
/* Note that bpDestroyBundle() always
* erases the bundle's timeline event,
* so we must NOT do so here. */
break; /* Out of switch. */
case xmitOverdue:
result = bpReforwardBundle(event->ref);
/* Note that bpReforwardBundle() always
* erases the bundle's xmitOverdue event,
* so we must NOT do so here. */
break; /* Out of switch. */
case ctDue:
result = bpReforwardBundle(event->ref);
/* Note that bpReforwardBundle() always
* erases the bundle's ctDue event, so
* we must NOT do so here. */
break; /* Out of switch. */
default: /* Spurious event; erase. */
sdr_free(sdr, eventObj);
sdr_list_delete(sdr, elt, NULL, NULL);
result = 0; /* Event is ignored. */
}
if (result != 0) /* Dispatching failed. */
{
sdr_cancel_xn(sdr);
putErrmsg("Failed handing BP event.", NULL);
return result;
}
if (sdr_end_xn(sdr) < 0)
{
putErrmsg("Failed dispatching BP event.", NULL);
return -1;
}
}
}
static int dispatchEvents(Sdr sdr, Object events, time_t currentTime)
{
Object elt;
Object eventObj;
LtpEvent event;
int result;
while (1)
{
sdr_begin_xn(sdr);
elt = sdr_list_first(sdr, events);
if (elt == 0) /* No more events to dispatch. */
{
sdr_exit_xn(sdr);
return 0;
}
eventObj = sdr_list_data(sdr, elt);
sdr_read(sdr, (char *) &event, eventObj, sizeof(LtpEvent));
if (event.scheduledTime > currentTime)
{
/* This is the first future event. */
sdr_exit_xn(sdr);
return 0;
}
sdr_free(sdr, eventObj);
sdr_list_delete(sdr, elt, NULL, NULL);
switch (event.type)
{
case LtpResendCheckpoint:
result = ltpResendCheckpoint(event.refNbr2,
event.refNbr3);
break; /* Out of switch. */
case LtpResendXmitCancel:
result = ltpResendXmitCancel(event.refNbr2);
break; /* Out of switch. */
case LtpResendReport:
result = ltpResendReport(event.refNbr1,
event.refNbr2, event.refNbr3);
break; /* Out of switch. */
case LtpResendRecvCancel:
result = ltpResendRecvCancel(event.refNbr1,
event.refNbr2);
break; /* Out of switch. */
default: /* Spurious event. */
result = 0; /* Event is ignored. */
}
if (result < 0) /* Dispatching failed. */
{
sdr_cancel_xn(sdr);
putErrmsg("failed handing LTP event", NULL);
return result;
}
if (sdr_end_xn(sdr) < 0)
{
putErrmsg("failed dispatching LTP event", NULL);
return -1;
}
}
}
/*
* This function writes an item and its associated descriptor into the SDR,
* allocating space for each, and adding the SDR descriptor pointer to a
* given SDR list.
*
* item : The serialized item to store in the SDR.
* item_len: The size of the serialized item.
* *itemObj: The SDR pointer to the serialized item in the SDR.
* desc : The item descriptor being written to the SDR.
* desc_len: The size of the item descriptor.
* *descObj: The SDR pointer to the item's descriptor object in the SDR.
* list : The SDR list holding the item descriptor (at *descrObj).
*/
int db_persist(uint8_t *item,
uint32_t item_len,
Object *itemObj,
void *desc,
uint32_t desc_len,
Object *descObj,
Object list)
{
Sdr sdr = getIonsdr();
CHKERR(sdr_begin_xn(sdr));
/* Step 1: Allocate a descriptor object for this item in the SDR. */
if((*descObj = sdr_malloc(sdr, desc_len)) == 0)
{
sdr_cancel_xn(sdr);
AMP_DEBUG_ERR("db_persist",
"Can't allocate descriptor of size %d.",
desc_len);
return -1;
}
/* Step 2: Allocate space for the serialized rule in the SDR. */
if((*itemObj = sdr_malloc(sdr, item_len)) == 0)
{
sdr_free(sdr, *descObj);
sdr_cancel_xn(sdr);
*descObj = 0;
AMP_DEBUG_ERR("db_persist",
"Unable to allocate Item in SDR. Size %d.",
item_len);
return -1;
}
/* Step 3: Write the item to the SDR. */
sdr_write(sdr, *itemObj, (char *) item, item_len);
/* Step 4: Write the item descriptor to the SDR. */
sdr_write(sdr, *descObj, (char *) desc, desc_len);
/* Step 5: Save the descriptor in the AgentDB active rules list. */
if (sdr_list_insert_last(sdr, list, *descObj) == 0)
{
sdr_free(sdr, *itemObj);
sdr_free(sdr, *descObj);
sdr_cancel_xn(sdr);
*itemObj = 0;
*descObj = 0;
AMP_DEBUG_ERR("db_persist",
"Unable to insert item Descr. in SDR.", NULL);
return -1;
}
if(sdr_end_xn(sdr))
{
AMP_DEBUG_ERR("db_persist", "Can't create Agent database.", NULL);
return -1;
}
return 1;
}
static void deleteContact(PsmAddress cxaddr)
{
Sdr sdr = getIonsdr();
PsmPartition ionwm = getIonwm();
IonVdb *vdb = getIonVdb();
time_t currentTime = getUTCTime();
IonCXref *cxref;
Object obj;
IonEvent event;
IonNeighbor *neighbor;
PsmAddress nextElt;
cxref = (IonCXref *) psp(ionwm, cxaddr);
/* Delete contact events from timeline. */
event.ref = cxaddr;
if (cxref->startXmit)
{
event.time = cxref->startXmit;
event.type = IonStartXmit;
sm_rbt_delete(ionwm, vdb->timeline, rfx_order_events,
&event, rfx_erase_data, NULL);
}
if (cxref->stopXmit)
{
event.time = cxref->stopXmit;
event.type = IonStopXmit;
sm_rbt_delete(ionwm, vdb->timeline, rfx_order_events,
&event, rfx_erase_data, NULL);
}
if (cxref->startFire)
{
event.time = cxref->startFire;
event.type = IonStartFire;
sm_rbt_delete(ionwm, vdb->timeline, rfx_order_events,
&event, rfx_erase_data, NULL);
}
if (cxref->stopFire)
{
event.time = cxref->stopFire;
event.type = IonStopFire;
sm_rbt_delete(ionwm, vdb->timeline, rfx_order_events,
&event, rfx_erase_data, NULL);
}
if (cxref->startRecv)
{
event.time = cxref->startRecv;
event.type = IonStartRecv;
sm_rbt_delete(ionwm, vdb->timeline, rfx_order_events,
&event, rfx_erase_data, NULL);
}
if (cxref->stopRecv)
{
event.time = cxref->stopRecv;
event.type = IonStopRecv;
sm_rbt_delete(ionwm, vdb->timeline, rfx_order_events,
&event, rfx_erase_data, NULL);
}
if (cxref->purgeTime)
{
event.time = cxref->purgeTime;
event.type = IonPurgeContact;
sm_rbt_delete(ionwm, vdb->timeline, rfx_order_events,
&event, rfx_erase_data, NULL);
}
/* Apply to current state as necessary. */
if (currentTime >= cxref->startXmit && currentTime <= cxref->stopXmit)
{
neighbor = findNeighbor(vdb, cxref->toNode, &nextElt);
if (neighbor)
{
neighbor->xmitRate = 0;
}
}
if (currentTime >= cxref->startFire && currentTime <= cxref->stopFire)
{
neighbor = findNeighbor(vdb, cxref->fromNode, &nextElt);
if (neighbor)
{
neighbor->fireRate = 0;
}
}
if (currentTime >= cxref->startRecv && currentTime <= cxref->stopRecv)
{
neighbor = findNeighbor(vdb, cxref->fromNode, &nextElt);
if (neighbor)
{
neighbor->recvRate = 0;
}
}
/* Delete contact from index. */
if (cxref->toTime > currentTime) /* Affects routes. */
{
vdb->lastEditTime = currentTime;
}
sm_rbt_delete(ionwm, vdb->contactIndex, rfx_order_contacts, cxref,
rfx_erase_data, NULL);
/* Delete contact from non-volatile database. */
obj = sdr_list_data(sdr, cxref->contactElt);
sdr_list_delete(sdr, cxref->contactElt, NULL, NULL);
sdr_free(sdr, obj);
}
static void deleteRange(PsmAddress rxaddr, int conditional)
{
Sdr sdr = getIonsdr();
PsmPartition ionwm = getIonwm();
IonVdb *vdb = getIonVdb();
time_t currentTime = getUTCTime();
IonRXref *rxref;
Object obj;
IonEvent event;
IonNeighbor *neighbor;
PsmAddress nextElt;
rxref = (IonRXref *) psp(ionwm, rxaddr);
/* Delete range from non-volatile database. */
if (rxref->rangeElt) /* An asserted range. */
{
if (conditional) /* Delete only if imputed. */
{
return; /* Retain asserted range. */
}
/* Unconditional deletion; remove range from DB. */
obj = sdr_list_data(sdr, rxref->rangeElt);
sdr_free(sdr, obj);
sdr_list_delete(sdr, rxref->rangeElt, NULL, NULL);
}
/* Delete range events from timeline. */
event.ref = rxaddr;
event.time = rxref->fromTime;
if (rxref->rangeElt)
{
event.type = IonStartAssertedRange;
}
else
{
event.type = IonStartImputedRange;
}
sm_rbt_delete(ionwm, vdb->timeline, rfx_order_events,
&event, rfx_erase_data, NULL);
event.time = rxref->toTime;
if (rxref->rangeElt)
{
event.type = IonStopAssertedRange;
}
else
{
event.type = IonStopImputedRange;
}
sm_rbt_delete(ionwm, vdb->timeline, rfx_order_events,
&event, rfx_erase_data, NULL);
/* Apply to current state as necessary. */
if (currentTime >= rxref->fromTime && currentTime <= rxref->toTime)
{
if (rxref->fromNode == getOwnNodeNbr())
{
neighbor = findNeighbor(vdb, rxref->toNode, &nextElt);
if (neighbor)
{
neighbor->owltOutbound = 0;
}
}
if (rxref->toNode == getOwnNodeNbr())
{
neighbor = findNeighbor(vdb, rxref->fromNode, &nextElt);
if (neighbor)
{
neighbor->owltInbound = 0;
}
}
}
/* Delete range from index. */
if (rxref->toTime > currentTime) /* Affects routes. */
{
vdb->lastEditTime = currentTime;
}
sm_rbt_delete(ionwm, vdb->rangeIndex, rfx_order_ranges, rxref,
rfx_erase_data, NULL);
}