static void manageRequirecrc(int tokenCount, char **tokens)
{
Sdr sdr = getIonsdr();
Object cfdpdbObj = getCfdpDbObject();
CfdpDB cfdpdb;
int newRequirecrc;
if (tokenCount != 3)
{
SYNTAX_ERROR;
}
newRequirecrc = atoi(tokens[2]);
if (newRequirecrc != 0 && newRequirecrc != 1)
{
putErrmsg("crcRequired switch invalid.", tokens[2]);
return;
}
sdr_begin_xn(sdr);
sdr_stage(sdr, (char *) &cfdpdb, cfdpdbObj, sizeof(CfdpDB));
cfdpdb.crcRequired = newRequirecrc;
sdr_write(sdr, cfdpdbObj, (char *) &cfdpdb, sizeof(CfdpDB));
if (sdr_end_xn(sdr) < 0)
{
putErrmsg("Can't change crcRequired switch.", NULL);
}
}
static void manageFillchar(int tokenCount, char **tokens)
{
Sdr sdr = getIonsdr();
Object cfdpdbObj = getCfdpDbObject();
CfdpDB cfdpdb;
int newFillchar;
char *trailing;
if (tokenCount != 3)
{
SYNTAX_ERROR;
}
newFillchar = strtol(tokens[2], &trailing, 16);
if (*trailing != '\0')
{
putErrmsg("fillCharacter invalid.", tokens[2]);
return;
}
sdr_begin_xn(sdr);
sdr_stage(sdr, (char *) &cfdpdb, cfdpdbObj, sizeof(CfdpDB));
cfdpdb.fillCharacter = newFillchar;
sdr_write(sdr, cfdpdbObj, (char *) &cfdpdb, sizeof(CfdpDB));
if (sdr_end_xn(sdr) < 0)
{
putErrmsg("Can't change fillCharacter.", NULL);
}
}
static void manageMaxtrnbr(int tokenCount, char **tokens)
{
Sdr sdr = getIonsdr();
Object cfdpdbObj = getCfdpDbObject();
CfdpDB cfdpdb;
int newMaxtrnbr;
if (tokenCount != 3)
{
SYNTAX_ERROR;
}
newMaxtrnbr = atoi(tokens[2]);
if (newMaxtrnbr < 0)
{
putErrmsg("maxTransactionNbr invalid.", tokens[2]);
return;
}
sdr_begin_xn(sdr);
sdr_stage(sdr, (char *) &cfdpdb, cfdpdbObj, sizeof(CfdpDB));
cfdpdb.maxTransactionNbr = newMaxtrnbr;
sdr_write(sdr, cfdpdbObj, (char *) &cfdpdb, sizeof(CfdpDB));
if (sdr_end_xn(sdr) < 0)
{
putErrmsg("Can't change maxTransactionNbr.", NULL);
}
}
static void manageDiscard(int tokenCount, char **tokens)
{
Sdr sdr = getIonsdr();
Object cfdpdbObj = getCfdpDbObject();
CfdpDB cfdpdb;
int newDiscard;
if (tokenCount != 3)
{
SYNTAX_ERROR;
}
newDiscard = atoi(tokens[2]);
if (newDiscard != 0 && newDiscard != 1)
{
putErrmsg("discardIncompleteFile switch invalid.", tokens[2]);
return;
}
sdr_begin_xn(sdr);
sdr_stage(sdr, (char *) &cfdpdb, cfdpdbObj, sizeof(CfdpDB));
cfdpdb.discardIncompleteFile = newDiscard;
sdr_write(sdr, cfdpdbObj, (char *) &cfdpdb, sizeof(CfdpDB));
if (sdr_end_xn(sdr) < 0)
{
putErrmsg("Can't change discardIncompleteFile switch.", NULL);
}
}
static void manageMaxtimeouts(int tokenCount, char **tokens)
{
Sdr sdr = getIonsdr();
Object cfdpdbObj = getCfdpDbObject();
CfdpDB cfdpdb;
int newMaxtimeouts;
if (tokenCount != 3)
{
SYNTAX_ERROR;
}
newMaxtimeouts = atoi(tokens[2]);
if (newMaxtimeouts < 0)
{
putErrmsg("checkTimeoutLimit invalid.", tokens[2]);
return;
}
sdr_begin_xn(sdr);
sdr_stage(sdr, (char *) &cfdpdb, cfdpdbObj, sizeof(CfdpDB));
cfdpdb.checkTimeoutLimit = newMaxtimeouts;
sdr_write(sdr, cfdpdbObj, (char *) &cfdpdb, sizeof(CfdpDB));
if (sdr_end_xn(sdr) < 0)
{
putErrmsg("Can't change checkTimerPeriod.", NULL);
}
}
static void manageMtusize(int tokenCount, char **tokens)
{
Sdr sdr = getIonsdr();
Object cfdpdbObj = getCfdpDbObject();
CfdpDB cfdpdb;
int newMtusize;
if (tokenCount != 3)
{
SYNTAX_ERROR;
}
newMtusize = atoi(tokens[2]);
if (newMtusize < 0)
{
putErrmsg("mtuSize invalid.", tokens[2]);
return;
}
sdr_begin_xn(sdr);
sdr_stage(sdr, (char *) &cfdpdb, cfdpdbObj, sizeof(CfdpDB));
cfdpdb.mtuSize = newMtusize;
sdr_write(sdr, cfdpdbObj, (char *) &cfdpdb, sizeof(CfdpDB));
if (sdr_end_xn(sdr) < 0)
{
putErrmsg("Can't change mtuSize.", NULL);
}
}
int dtn2_updateRule(char *nodeNm, char *demux, FwdDirective *directive)
{
Sdr sdr = getIonsdr();
char nodeName[SDRSTRING_BUFSZ];
Object elt;
OBJ_POINTER(Dtn2Plan, plan);
Object ruleAddr;
Dtn2Rule ruleBuf;
CHKERR(nodeNm && demux && directive);
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 update the rule. */
sdr_stage(sdr, (char *) &ruleBuf, ruleAddr, sizeof(Dtn2Rule));
dtn2_destroyDirective(&ruleBuf.directive);
memcpy((char *) &ruleBuf.directive, (char *) directive,
sizeof(FwdDirective));
sdr_write(sdr, ruleAddr, (char *) &ruleBuf, sizeof(Dtn2Rule));
if (sdr_end_xn(sdr) < 0)
{
putErrmsg("Can't update rule.", NULL);
return -1;
}
return 1;
}
int dtn2_addPlan(char *nodeNm, FwdDirective *defaultDir)
{
Sdr sdr = getIonsdr();
char nodeName[SDRSTRING_BUFSZ];
Object nextPlan;
Dtn2Plan plan;
Object planObj;
CHKERR(nodeNm && defaultDir);
if (filterNodeName(nodeName, nodeNm) < 0)
{
return 0;
}
CHKERR(sdr_begin_xn(sdr));
if (locatePlan(nodeName, &nextPlan) != 0)
{
sdr_exit_xn(sdr);
writeMemoNote("[?] Duplicate plan", nodeNm);
return 0;
}
/* Okay to add this plan to the database. */
plan.nodeName = sdr_string_create(sdr, nodeName);
memcpy((char *) &plan.defaultDirective, (char *) defaultDir,
sizeof(FwdDirective));
plan.rules = sdr_list_create(sdr);
planObj = sdr_malloc(sdr, sizeof(Dtn2Plan));
if (planObj)
{
if (nextPlan)
{
oK(sdr_list_insert_before(sdr, nextPlan, planObj));
}
else
{
oK(sdr_list_insert_last(sdr,
(_dtn2Constants())->plans, planObj));
}
sdr_write(sdr, planObj, (char *) &plan, sizeof(Dtn2Plan));
}
if (sdr_end_xn(sdr) < 0)
{
putErrmsg("Can't add plan.", nodeNm);
return -1;
}
return 1;
}
static int scanInFdus(Sdr sdr, time_t currentTime)
{
CfdpDB *cfdpConstants;
Object entityElt;
OBJ_POINTER(Entity, entity);
Object elt;
Object nextElt;
Object fduObj;
OBJ_POINTER(InFdu, fdu);
CfdpHandler handler;
cfdpConstants = getCfdpConstants();
sdr_begin_xn(sdr);
for (entityElt = sdr_list_first(sdr, cfdpConstants->entities);
entityElt; entityElt = sdr_list_next(sdr, entityElt))
{
GET_OBJ_POINTER(sdr, Entity, entity, sdr_list_data(sdr,
entityElt));
for (elt = sdr_list_first(sdr, entity->inboundFdus); elt;
elt = nextElt)
{
nextElt = sdr_list_next(sdr, elt);
fduObj = sdr_list_data(sdr, elt);
GET_OBJ_POINTER(sdr, InFdu, fdu, fduObj);
if (fdu->eofReceived && fdu->checkTime < currentTime)
{
sdr_stage(sdr, NULL, fduObj, 0);
fdu->checkTimeouts++;
fdu->checkTime
+= cfdpConstants->checkTimerPeriod;
sdr_write(sdr, fduObj, (char *) fdu,
sizeof(InFdu));
}
if (fdu->checkTimeouts
> cfdpConstants->checkTimeoutLimit)
{
if (handleFault(&(fdu->transactionId),
CfdpCheckLimitReached, &handler) < 0)
{
sdr_cancel_xn(sdr);
putErrmsg("Can't handle check limit \
reached.", NULL);
return -1;
}
}
}
}
int dtn2Init()
{
Sdr sdr = getIonsdr();
Object dtn2dbObject;
DtnDB dtn2dbBuf;
/* Recover the DTN database, creating it if necessary. */
CHKERR(sdr_begin_xn(sdr));
dtn2dbObject = sdr_find(sdr, DTN_DBNAME, NULL);
switch (dtn2dbObject)
{
case -1: /* SDR error. */
sdr_cancel_xn(sdr);
putErrmsg("Failed seeking DTN database in SDR.", NULL);
return -1;
case 0: /* Not found; must create new DB. */
dtn2dbObject = sdr_malloc(sdr, sizeof(DtnDB));
if (dtn2dbObject == 0)
{
sdr_cancel_xn(sdr);
putErrmsg("No space for DTN database.", NULL);
return -1;
}
memset((char *) &dtn2dbBuf, 0, sizeof(DtnDB));
dtn2dbBuf.plans = sdr_list_create(sdr);
sdr_write(sdr, dtn2dbObject, (char *) &dtn2dbBuf,
sizeof(DtnDB));
sdr_catlg(sdr, DTN_DBNAME, 0, dtn2dbObject);
if (sdr_end_xn(sdr))
{
putErrmsg("Can't create DTN database.", NULL);
return -1;
}
break;
default: /* Found DB in the SDR. */
sdr_exit_xn(sdr);
}
oK(_dtn2dbObject(&dtn2dbObject));
oK(_dtn2Constants());
return 0;
}
int setDeltaFromUTC(int newDelta)
{
Sdr ionsdr = _ionsdr(NULL);
Object iondbObject = _iondbObject(NULL);
IonDB *ionConstants = _ionConstants();
IonVdb *ionvdb = _ionvdb(NULL);
sdr_begin_xn(ionsdr);
sdr_stage(ionsdr, (char *) ionConstants, iondbObject, sizeof(IonDB));
ionConstants->deltaFromUTC = newDelta;
sdr_write(ionsdr, iondbObject, (char *) ionConstants, sizeof(IonDB));
if (sdr_end_xn(ionsdr) < 0)
{
putErrmsg("Can't change delta from UTC.", NULL);
return -1;
}
ionvdb->deltaFromUTC = newDelta;
return 0;
}
void ionOccupy(int size)
{
Sdr ionsdr = _ionsdr(NULL);
Object iondbObject = _iondbObject(NULL);
IonDB iondbBuf;
CHKVOID(ionLocked());
CHKVOID(size >= 0);
sdr_stage(ionsdr, (char *) &iondbBuf, iondbObject, sizeof(IonDB));
if (iondbBuf.currentOccupancy + size < 0)/* Overflow. */
{
iondbBuf.currentOccupancy = iondbBuf.occupancyCeiling;
}
else
{
iondbBuf.currentOccupancy += size;
}
sdr_write(ionsdr, iondbObject, (char *) &iondbBuf, sizeof(IonDB));
}
void ionVacate(int size)
{
Sdr ionsdr = _ionsdr(NULL);
Object iondbObject = _iondbObject(NULL);
IonDB iondbBuf;
CHKVOID(ionLocked());
CHKVOID(size >= 0);
sdr_stage(ionsdr, (char *) &iondbBuf, iondbObject, sizeof(IonDB));
if (size > iondbBuf.currentOccupancy) /* Underflow. */
{
iondbBuf.currentOccupancy = 0;
}
else
{
iondbBuf.currentOccupancy -= size;
}
sdr_write(ionsdr, iondbObject, (char *) &iondbBuf, sizeof(IonDB));
}
int dtn2_updatePlan(char *nodeNm, FwdDirective *defaultDir)
{
Sdr sdr = getIonsdr();
char nodeName[SDRSTRING_BUFSZ];
Object elt;
Object planObj;
Dtn2Plan plan;
CHKERR(nodeNm && defaultDir);
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;
}
/* Okay to update this plan. */
planObj = sdr_list_data(sdr, elt);
sdr_stage(sdr, (char *) &plan, planObj, sizeof(Dtn2Plan));
dtn2_destroyDirective(&plan.defaultDirective);
memcpy((char *) &plan.defaultDirective, (char *) defaultDir,
sizeof(FwdDirective));
sdr_write(sdr, planObj, (char *) &plan, sizeof(Dtn2Plan));
if (sdr_end_xn(sdr) < 0)
{
putErrmsg("Can't update plan.", nodeNm);
return -1;
}
return 1;
}
int dtn2_addRule(char *nodeNm, char *demux, FwdDirective *directive)
{
Sdr sdr = getIonsdr();
char nodeName[SDRSTRING_BUFSZ];
Object elt;
OBJ_POINTER(Dtn2Plan, plan);
Object nextRule;
Dtn2Rule ruleBuf;
Object addr;
CHKERR(nodeNm && demux && directive);
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));
if (locateRule(plan, demux, &nextRule) != 0)
{
sdr_exit_xn(sdr);
writeMemoNote("[?] Duplicate rule", demux);
return 0;
}
/* All parameters validated, okay to add the rule. */
memset((char *) &ruleBuf, 0, sizeof(Dtn2Rule));
ruleBuf.demux = sdr_string_create(sdr, demux);
memcpy((char *) &ruleBuf.directive, (char *) directive,
sizeof(FwdDirective));
addr = sdr_malloc(sdr, sizeof(Dtn2Rule));
if (addr)
{
if (nextRule)
{
elt = sdr_list_insert_before(sdr, nextRule, addr);
}
else
{
elt = sdr_list_insert_last(sdr, plan->rules, addr);
}
sdr_write(sdr, addr, (char *) &ruleBuf, sizeof(Dtn2Rule));
}
if (sdr_end_xn(sdr) < 0)
{
putErrmsg("Can't add rule.", NULL);
return -1;
}
return 1;
}
Object rfx_insert_range(time_t fromTime, time_t toTime, uvast fromNode,
uvast toNode, unsigned int owlt)
{
Sdr sdr = getIonsdr();
PsmPartition ionwm = getIonwm();
IonVdb *vdb = getIonVdb();
IonRXref arg1;
PsmAddress rxelt;
PsmAddress nextElt;
PsmAddress rxaddr;
IonRXref *rxref;
IonEvent arg2;
PsmAddress prevElt;
char rangeIdString[128];
IonRange range;
Object iondbObj;
IonDB iondb;
Object obj;
Object elt;
/* Note that ranges are normally assumed to be symmetrical,
* i.e., the signal propagation time from B to A is normally
* assumed to be the same as the signal propagation time
* from A to B. For this reason, normally only the A->B
* range (where A is a node number that is less than node
* number B) need be entered; when ranges are applied to
* the IonNeighbor objects in the ION database, the A->B
* range is stored as the OWLT for transmissions from A to
* B and also as the OWLT for transmissions from B to A.
*
* However, it is possible to insert asymmetric ranges, as
* would apply when the forward and return traffic between
* some pair of nodes travels by different transmission
* paths that introduce different latencies. When this is
* the case, both the A->B and B->A ranges must be entered.
* The A->B range is initially processed as a symmetric
* range as described above, but when the B->A range is
* subsequently noted it overrides the default OWLT for
* transmissions from B to A. */
CHKZERO(fromTime);
CHKZERO(toTime > fromTime);
CHKZERO(fromNode);
CHKZERO(toNode);
CHKZERO(sdr_begin_xn(sdr));
/* Make sure range doesn't overlap with any pre-existing
* ranges. */
memset((char *) &arg1, 0, sizeof(IonRXref));
arg1.fromNode = fromNode;
arg1.toNode = toNode;
arg1.fromTime = fromTime;
arg1.toTime = toTime;
arg1.owlt = owlt;
rxelt = sm_rbt_search(ionwm, vdb->rangeIndex, rfx_order_ranges,
&arg1, &nextElt);
if (rxelt) /* Range is in database already. */
{
rxaddr = sm_rbt_data(ionwm, rxelt);
rxref = (IonRXref *) psp(ionwm, rxaddr);
if (rxref->rangeElt == 0) /* Imputed. */
{
/* The existing range for the same nodes
* and time is merely an imputed range,
* which is being overridden by a non-
* canonical range assertion indicating
* an override of the normal symmetry in
* the owlt between nodes. Must delete
* that imputed range, together with the
* associated events, after which there
* is no duplication. */
sm_rbt_delete(ionwm, vdb->rangeIndex, rfx_order_ranges,
&arg1, rfx_erase_data, NULL);
arg2.ref = rxaddr;
arg2.time = rxref->fromTime;
arg2.type = IonStartImputedRange;
sm_rbt_delete(ionwm, vdb->timeline, rfx_order_events,
&arg2, rfx_erase_data, NULL);
arg2.time = rxref->toTime;
arg2.type = IonStopImputedRange;
sm_rbt_delete(ionwm, vdb->timeline, rfx_order_events,
&arg2, rfx_erase_data, NULL);
}
else /* Overriding an asserted range. */
{
/* This is an attempt to replace an
* existing asserted range with another
* asserted range, which is prohibited. */
if (rxref->owlt == owlt)
{
sdr_exit_xn(sdr);
return rxaddr; /* Idempotent. */
}
isprintf(rangeIdString, sizeof rangeIdString,
"from %lu, %llu->%llu", fromTime,
fromNode, toNode);
writeMemoNote("[?] Range OWLT not revised",
rangeIdString);
sdr_exit_xn(sdr);
return 0;
}
}
/* Check for overlap, which is not allowed. */
if (nextElt)
{
prevElt = sm_rbt_prev(ionwm, nextElt);
rxref = (IonRXref *)
psp(ionwm, sm_rbt_data(ionwm, nextElt));
if (fromNode == rxref->fromNode
&& toNode == rxref->toNode
&& toTime > rxref->fromTime)
{
writeMemoNote("[?] Overlapping range",
utoa(fromNode));
sdr_exit_xn(sdr);
return 0;
}
}
else
{
prevElt = sm_rbt_last(ionwm, vdb->rangeIndex);
}
if (prevElt)
{
rxref = (IonRXref *)
psp(ionwm, sm_rbt_data(ionwm, prevElt));
if (fromNode == rxref->fromNode
&& toNode == rxref->toNode
&& fromTime < rxref->toTime)
{
writeMemoNote("[?] Overlapping range",
utoa(fromNode));
sdr_exit_xn(sdr);
return 0;
}
}
/* Range isn't already in database; okay to add. */
rxaddr = 0;
range.fromTime = fromTime;
range.toTime = toTime;
range.fromNode = fromNode;
range.toNode = toNode;
range.owlt = owlt;
obj = sdr_malloc(sdr, sizeof(IonRange));
if (obj)
{
sdr_write(sdr, obj, (char *) &range, sizeof(IonRange));
iondbObj = getIonDbObject();
sdr_read(sdr, (char *) &iondb, iondbObj, sizeof(IonDB));
elt = sdr_list_insert_last(sdr, iondb.ranges, obj);
if (elt)
{
arg1.rangeElt = elt;
rxaddr = insertRXref(&arg1);
if (rxaddr == 0)
{
sdr_cancel_xn(sdr);
}
}
}
if (sdr_end_xn(sdr) < 0)
{
putErrmsg("Can't insert range.", NULL);
return 0;
}
return rxaddr;
}
int bp_receive(BpSAP sap, BpDelivery *dlvBuffer, int timeoutSeconds)
{
Sdr sdr = getIonsdr();
VEndpoint *vpoint;
OBJ_POINTER(Endpoint, endpoint);
Object dlvElt;
Object bundleAddr;
Bundle bundle;
TimerParms timerParms;
pthread_t timerThread;
int result;
char *dictionary;
CHKERR(sap && dlvBuffer);
if (timeoutSeconds < BP_BLOCKING)
{
putErrmsg("Illegal timeout interval.", itoa(timeoutSeconds));
return -1;
}
vpoint = sap->vpoint;
sdr_begin_xn(sdr);
if (vpoint->appPid != sm_TaskIdSelf())
{
sdr_exit_xn(sdr);
putErrmsg("Can't receive: not owner of endpoint.",
itoa(vpoint->appPid));
return -1;
}
if (sm_SemEnded(vpoint->semaphore))
{
sdr_exit_xn(sdr);
writeMemo("[?] Endpoint has been stopped.");
/* End task, but without error. */
return -1;
}
/* Get oldest bundle in delivery queue, if any; wait
* for one if necessary. */
GET_OBJ_POINTER(sdr, Endpoint, endpoint, sdr_list_data(sdr,
vpoint->endpointElt));
dlvElt = sdr_list_first(sdr, endpoint->deliveryQueue);
if (dlvElt == 0)
{
sdr_exit_xn(sdr);
if (timeoutSeconds == BP_POLL)
{
dlvBuffer->result = BpReceptionTimedOut;
return 0;
}
/* Wait for semaphore to be given, either by the
* deliverBundle() function or by timer thread. */
if (timeoutSeconds == BP_BLOCKING)
{
timerParms.interval = -1;
}
else /* This is a receive() with a deadline. */
{
timerParms.interval = timeoutSeconds;
timerParms.semaphore = vpoint->semaphore;
if (pthread_create(&timerThread, NULL, timerMain,
&timerParms) < 0)
{
putSysErrmsg("Can't enable interval timer",
NULL);
return -1;
}
}
/* Take endpoint semaphore. */
if (sm_SemTake(vpoint->semaphore) < 0)
{
putErrmsg("Can't take endpoint semaphore.", NULL);
return -1;
}
if (sm_SemEnded(vpoint->semaphore))
{
writeMemo("[i] Endpoint has been stopped.");
/* End task, but without error. */
return -1;
}
/* Have taken the semaphore, one way or another. */
sdr_begin_xn(sdr);
dlvElt = sdr_list_first(sdr, endpoint->deliveryQueue);
if (dlvElt == 0) /* Still nothing. */
{
/* Either sm_SemTake() was interrupted
* or else timer thread gave semaphore. */
sdr_exit_xn(sdr);
if (timerParms.interval == 0)
{
/* Timer expired. */
dlvBuffer->result = BpReceptionTimedOut;
pthread_join(timerThread, NULL);
}
else /* Interrupted. */
{
dlvBuffer->result = BpReceptionInterrupted;
if (timerParms.interval != -1)
{
pthread_cancel(timerThread);
pthread_join(timerThread, NULL);
}
}
return 0;
}
else /* Bundle was delivered. */
{
if (timerParms.interval != -1)
{
pthread_cancel(timerThread);
pthread_join(timerThread, NULL);
}
}
}
/* At this point, we have got a dlvElt and are in an SDR
* transaction. */
bundleAddr = sdr_list_data(sdr, dlvElt);
sdr_stage(sdr, (char *) &bundle, bundleAddr, sizeof(Bundle));
dictionary = retrieveDictionary(&bundle);
if (dictionary == (char *) &bundle)
{
sdr_cancel_xn(sdr);
putErrmsg("Can't retrieve dictionary.", NULL);
return -1;
}
/* Now fill in the data indication structure. */
dlvBuffer->result = BpPayloadPresent;
if (printEid(&bundle.id.source, dictionary,
&dlvBuffer->bundleSourceEid) < 0)
{
sdr_cancel_xn(sdr);
putErrmsg("Can't print source EID.", NULL);
return -1;
}
dlvBuffer->bundleCreationTime.seconds = bundle.id.creationTime.seconds;
dlvBuffer->bundleCreationTime.count = bundle.id.creationTime.count;
dlvBuffer->adminRecord = bundle.bundleProcFlags & BDL_IS_ADMIN;
dlvBuffer->adu = zco_add_reference(sdr, bundle.payload.content);
dlvBuffer->ackRequested = bundle.bundleProcFlags & BDL_APP_ACK_REQUEST;
/* Now before returning we send delivery status report
* if it is requested. */
if (SRR_FLAGS(bundle.bundleProcFlags) & BP_DELIVERED_RPT)
{
bundle.statusRpt.flags |= BP_DELIVERED_RPT;
getCurrentDtnTime(&bundle.statusRpt.deliveryTime);
}
if (bundle.statusRpt.flags)
{
result = sendStatusRpt(&bundle, dictionary);
if (result < 0)
{
sdr_cancel_xn(sdr);
putErrmsg("Can't send status report.", NULL);
return -1;
}
}
/* Finally delete the delivery list element and, if
* possible, destroy the bundle itself. */
if (dictionary)
{
MRELEASE(dictionary);
}
sdr_list_delete(sdr, dlvElt, (SdrListDeleteFn) NULL, NULL);
bundle.dlvQueueElt = 0;
sdr_write(sdr, bundleAddr, (char *) &bundle, sizeof(Bundle));
if (bpDestroyBundle(bundleAddr, 0) < 0)
{
sdr_cancel_xn(sdr);
putErrmsg("Can't destroy bundle.", NULL);
return -1;
}
if (sdr_end_xn(sdr) < 0)
{
putErrmsg("Failure in bundle reception.", NULL);
return -1;
}
return 0;
}
int ionInitialize(IonParms *parms, unsigned long ownNodeNbr)
{
char wdname[256];
Sdr ionsdr;
Object iondbObject;
IonDB iondbBuf;
sm_WmParms ionwmParms;
char *ionvdbName = _ionvdbName();
CHKERR(parms);
CHKERR(ownNodeNbr);
if (sdr_initialize(0, NULL, SM_NO_KEY, NULL) < 0)
{
putErrmsg("Can't initialize the SDR system.", NULL);
return -1;
}
if (igetcwd(wdname, 256) == NULL)
{
putErrmsg("Can't get cwd name.", NULL);
return -1;
}
if (checkNodeListParms(parms, wdname, ownNodeNbr) < 0)
{
putErrmsg("Failed checking node list parms.", NULL);
return -1;
}
if (sdr_load_profile(parms->sdrName, parms->configFlags,
parms->heapWords, parms->heapKey, parms->pathName) < 0)
{
putErrmsg("Unable to load SDR profile for ION.", NULL);
return -1;
}
ionsdr = sdr_start_using(parms->sdrName);
if (ionsdr == NULL)
{
putErrmsg("Can't start using SDR for ION.", NULL);
return -1;
}
ionsdr = _ionsdr(&ionsdr);
/* Recover the ION database, creating it if necessary. */
sdr_begin_xn(ionsdr);
iondbObject = sdr_find(ionsdr, _iondbName(), NULL);
switch (iondbObject)
{
case -1: /* SDR error. */
sdr_cancel_xn(ionsdr);
putErrmsg("Can't seek ION database in SDR.", NULL);
return -1;
case 0: /* Not found; must create new DB. */
if (ownNodeNbr == 0)
{
sdr_cancel_xn(ionsdr);
putErrmsg("Must supply non-zero node number.", NULL);
return -1;
}
memset((char *) &iondbBuf, 0, sizeof(IonDB));
memcpy(iondbBuf.workingDirectoryName, wdname, 256);
iondbBuf.ownNodeNbr = ownNodeNbr;
iondbBuf.occupancyCeiling = ((sdr_heap_size(ionsdr) / 100)
* (100 - ION_SEQUESTERED));
iondbBuf.receptionSpikeReserve = iondbBuf.occupancyCeiling / 16;
if (iondbBuf.receptionSpikeReserve < MIN_SPIKE_RSRV)
{
iondbBuf.receptionSpikeReserve = MIN_SPIKE_RSRV;
}
iondbBuf.contacts = sdr_list_create(ionsdr);
iondbBuf.ranges = sdr_list_create(ionsdr);
iondbBuf.maxClockError = 0;
iondbObject = sdr_malloc(ionsdr, sizeof(IonDB));
if (iondbObject == 0)
{
sdr_cancel_xn(ionsdr);
putErrmsg("No space for database.", NULL);
return -1;
}
sdr_write(ionsdr, iondbObject, (char *) &iondbBuf,
sizeof(IonDB));
sdr_catlg(ionsdr, _iondbName(), 0, iondbObject);
if (sdr_end_xn(ionsdr))
{
putErrmsg("Can't create ION database.", NULL);
return -1;
}
break;
default: /* Found DB in the SDR. */
sdr_exit_xn(ionsdr);
}
oK(_iondbObject(&iondbObject));
oK(_ionConstants());
/* Open ION shared-memory partition. */
ionwmParms.wmKey = parms->wmKey;
ionwmParms.wmSize = parms->wmSize;
ionwmParms.wmAddress = parms->wmAddress;
ionwmParms.wmName = ION_SM_NAME;
if (_ionwm(&ionwmParms) == NULL)
{
putErrmsg("ION memory configuration failed.", NULL);
return -1;
}
if (_ionvdb(&ionvdbName) == NULL)
{
putErrmsg("ION can't initialize vdb.", NULL);
return -1;
}
ionRedirectMemos();
return 0;
}
static int manageLinks(Sdr sdr, time_t currentTime)
{
PsmPartition ionwm = getIonwm();
LtpVdb *ltpvdb = getLtpVdb();
IonVdb *ionvdb = getIonVdb();
PsmAddress elt;
LtpVspan *vspan;
Object obj;
LtpSpan span;
IonNeighbor *neighbor;
PsmAddress nextElt;
unsigned long priorXmitRate;
sdr_begin_xn(sdr);
for (elt = sm_list_first(ionwm, ltpvdb->spans); elt;
elt = sm_list_next(ionwm, elt))
{
vspan = (LtpVspan *) psp(ionwm, sm_list_data(ionwm, elt));
/* Finish aggregation as necessary. */
obj = sdr_list_data(sdr, vspan->spanElt);
sdr_stage(sdr, (char *) &span, obj, sizeof(LtpSpan));
if (span.lengthOfBufferedBlock > 0)
{
span.ageOfBufferedBlock++;
sdr_write(sdr, obj, (char *) &span, sizeof(LtpSpan));
if (span.ageOfBufferedBlock >= span.aggrTimeLimit)
{
sm_SemGive(vspan->bufFullSemaphore);
}
}
/* Find Neighbor object encapsulating the current
* known state of this LTP engine. */
neighbor = findNeighbor(ionvdb, vspan->engineId, &nextElt);
if (neighbor == NULL)
{
neighbor = addNeighbor(ionvdb, vspan->engineId,
nextElt);
if (neighbor == NULL)
{
putErrmsg("Can't update span.", NULL);
return -1;
}
}
if (neighbor->xmitRate == 0)
{
if (vspan->localXmitRate > 0)
{
vspan->localXmitRate = 0;
ltpStopXmit(vspan);
}
}
else
{
if (vspan->localXmitRate == 0)
{
vspan->localXmitRate = neighbor->xmitRate;
ltpStartXmit(vspan);
}
}
if (neighbor->fireRate == 0)
{
if (vspan->remoteXmitRate > 0)
{
priorXmitRate = vspan->remoteXmitRate;
vspan->remoteXmitRate = 0;
if (ltpSuspendTimers(vspan, elt, currentTime,
priorXmitRate))
{
putErrmsg("Can't manage links.", NULL);
return -1;
}
}
}
else
{
if (vspan->remoteXmitRate == 0)
{
vspan->remoteXmitRate = neighbor->fireRate;
if (ltpResumeTimers(vspan, elt, currentTime,
vspan->remoteXmitRate))
{
putErrmsg("Can't manage links.", NULL);
return -1;
}
}
}
if (neighbor->recvRate == 0)
{
vspan->receptionRate = 0;
}
else
{
vspan->receptionRate = neighbor->recvRate;
}
if (neighbor->owltInbound != vspan->owltInbound)
{
vspan->owltInbound = neighbor->owltInbound;
}
if (neighbor->owltOutbound != vspan->owltOutbound)
{
vspan->owltOutbound = neighbor->owltOutbound;
}
}
if (sdr_end_xn(sdr) < 0)
{
putErrmsg("ltpclock failed managing links.", NULL);
return -1;
}
return 0;
}
int bpecho(int a1, int a2, int a3, int a4, int a5,
int a6, int a7, int a8, int a9, int a10)
{
char *ownEid = (char *) a1;
#else
int main(int argc, char **argv)
{
char *ownEid = (argc > 1 ? argv[1] : NULL);
#endif
/* Indication marks: "." for BpPayloadPresent (1),
"*" for BpReceptionTimedOut (2).
"!" for BpReceptionInterrupted (3). */
static char dlvmarks[] = "?.*!";
BpSAP sap;
Sdr sdr;
int running = 1;
char dataToSend[ADU_LEN] = "x";
Object bundleZco;
Object newBundle;
Object extent;
BpDelivery dlv;
char sourceEid[1024];
if (ownEid == NULL)
{
PUTS("Usage: bpecho <own endpoint ID>");
return 0;
}
if (bp_attach() < 0)
{
putErrmsg("Can't attach to BP.", NULL);
return 0;
}
if (bp_open(ownEid, &sap) < 0)
{
putErrmsg("Can't open own endpoint.", NULL);
return 0;
}
oK(_bpsap(&sap));
sdr = bp_get_sdr();
isignal(SIGINT, handleQuit);
while (1)
{
/* Wait for a bundle from the driver. */
while (running)
{
if (bp_receive(sap, &dlv, BP_BLOCKING) < 0)
{
bp_close(sap);
putErrmsg("bpecho bundle reception failed.",
NULL);
return 1;
}
putchar(dlvmarks[dlv.result]);
fflush(stdout);
if (dlv.result == BpReceptionInterrupted)
{
running = 0;
continue;
}
if (dlv.result == BpPayloadPresent)
{
istrcpy(sourceEid, dlv.bundleSourceEid,
sizeof sourceEid);
bp_release_delivery(&dlv, 1);
break; /* Out of reception loop. */
}
bp_release_delivery(&dlv, 1);
}
if (!running) /* Benchmark run terminated. */
{
break; /* Out of main loop. */
}
/* Now send acknowledgment bundle. */
sdr_begin_xn(sdr);
extent = sdr_malloc(sdr, ADU_LEN);
if (extent == 0)
{
sdr_cancel_xn(sdr);
putErrmsg("No space for ZCO extent.", NULL);
break; /* Out of main loop. */
}
sdr_write(sdr, extent, dataToSend, ADU_LEN);
bundleZco = zco_create(sdr, ZcoSdrSource, extent, 0, ADU_LEN);
if (sdr_end_xn(sdr) < 0 || bundleZco == 0)
{
putErrmsg("Can't create ZCO.", NULL);
break; /* Out of main loop. */
}
if (bp_send(sap, BP_BLOCKING, sourceEid, NULL, 300,
BP_STD_PRIORITY, NoCustodyRequested,
0, 0, NULL, bundleZco, &newBundle) < 1)
{
putErrmsg("bpecho can't send echo bundle.", NULL);
break; /* Out of main loop. */
}
}
bp_close(sap);
writeErrmsgMemos();
bp_detach();
return 0;
}
int main(int argc, char **argv)
{
Sdr sdr;
Object txExtent;
Object txBundleZco;
Object txNewBundle;
BpDelivery rxDlv;
int rxContentLength;
ZcoReader rxReader;
int rxLen;
char rxContent[sizeof(testLine)];
/* Start ION */
ionstart_default_config("loopback-ltp/loopback.ionrc",
NULL,
"loopback-ltp/loopback.ltprc",
"loopback-ltp/loopback.bprc",
"loopback-ltp/loopback.ipnrc",
NULL);
/* Attach to ION */
fail_unless(bp_attach() >= 0);
sdr = bp_get_sdr();
/* Send the loopback bundle */
sdr_begin_xn(sdr);
txExtent = sdr_malloc(sdr, sizeof(testLine) - 1);
fail_unless(txExtent != 0);
sdr_write(sdr, txExtent, testLine, sizeof(testLine) - 1);
txBundleZco = zco_create(sdr, ZcoSdrSource, txExtent, 0, sizeof(testLine) - 1);
fail_unless(sdr_end_xn(sdr) >= 0 && txBundleZco != 0);
fail_unless(bp_send(NULL, testEid, NULL, 300, BP_STD_PRIORITY,
NoCustodyRequested, 0, 0, NULL, txBundleZco, &txNewBundle) > 0);
/* Receive the loopback bundle */
fail_unless(bp_open(testEid, &rxSap) >= 0);
fail_unless(bp_receive(rxSap, &rxDlv, IONTEST_DEFAULT_RECEIVE_WAIT) >= 0);
fail_unless(rxDlv.result == BpPayloadPresent);
sdr_begin_xn(sdr);
rxContentLength = zco_source_data_length(sdr, rxDlv.adu);
fail_unless(rxContentLength == sizeof(testLine) - 1);
zco_start_receiving(rxDlv.adu, &rxReader);
rxLen = zco_receive_source(sdr, &rxReader, rxContentLength,
rxContent);
fail_unless(rxLen == rxContentLength);
fail_unless(sdr_end_xn(sdr) >= 0);
bp_release_delivery(&rxDlv, 1);
bp_close(rxSap);
/* Detach from ION */
writeErrmsgMemos();
bp_detach();
/* Compare the received data */
rxContent[sizeof(rxContent) - 1] = '\0';
fail_unless(strncmp(rxContent, testLine, sizeof(testLine)) == 0);
/* Stop ION */
ionstop();
CHECK_FINISH;
}
PsmAddress rfx_insert_contact(time_t fromTime, time_t toTime,
uvast fromNode, uvast toNode, unsigned int xmitRate,
float prob)
{
Sdr sdr = getIonsdr();
PsmPartition ionwm = getIonwm();
IonVdb *vdb = getIonVdb();
IonCXref arg;
PsmAddress cxelt;
PsmAddress nextElt;
PsmAddress cxaddr;
IonCXref *cxref;
PsmAddress prevElt;
char contactIdString[128];
IonContact contact;
Object iondbObj;
IonDB iondb;
Object obj;
Object elt;
CHKZERO(fromTime);
CHKZERO(toTime > fromTime);
CHKZERO(fromNode);
CHKZERO(toNode);
CHKZERO(prob > 0.0 && prob <= 1.0);
CHKZERO(sdr_begin_xn(sdr));
/* Make sure contact doesn't overlap with any pre-existing
* contacts. */
memset((char *) &arg, 0, sizeof(IonCXref));
arg.fromNode = fromNode;
arg.toNode = toNode;
arg.fromTime = fromTime;
arg.toTime = toTime;
arg.xmitRate = xmitRate;
arg.routingObject = 0;
cxelt = sm_rbt_search(ionwm, vdb->contactIndex, rfx_order_contacts, &arg, &nextElt);
//cxelt = 0;
if (cxelt) /* Contact is in database already. */
{
cxaddr = sm_rbt_data(ionwm, cxelt);
cxref = (IonCXref *) psp(ionwm, cxaddr);
if (cxref->xmitRate == xmitRate)
{
sdr_exit_xn(sdr);
return cxaddr;
}
isprintf(contactIdString, sizeof contactIdString,
"at %lu, %llu->%llu", fromTime, fromNode, toNode);
writeMemoNote("[?] Contact data rate not revised",
contactIdString);
sdr_exit_xn(sdr);
return 0;
}
else /* Check for overlap, which is not allowed. */
{
if (nextElt)
{
prevElt = sm_rbt_prev(ionwm, nextElt);
cxref = (IonCXref *)
psp(ionwm, sm_rbt_data(ionwm, nextElt));
if (fromNode == cxref->fromNode
&& toNode == cxref->toNode
&& toTime > cxref->fromTime)
{
writeMemoNote("[?] Overlapping contact",
utoa(fromNode));
sdr_exit_xn(sdr);
return 0;
}
}
else
{
prevElt = sm_rbt_last(ionwm, vdb->contactIndex);
}
if (prevElt)
{
cxref = (IonCXref *)
psp(ionwm, sm_rbt_data(ionwm, prevElt));
if (fromNode == cxref->fromNode
&& toNode == cxref->toNode
&& fromTime < cxref->toTime)
{
writeMemoNote("[?] Overlapping contact",
utoa(fromNode));
sdr_exit_xn(sdr);
return 0;
}
}
}
/* Contact isn't already in database; okay to add. */
cxaddr = 0;
contact.fromTime = fromTime;
contact.toTime = toTime;
contact.fromNode = fromNode;
contact.toNode = toNode;
contact.xmitRate = xmitRate;
contact.prob = prob;
obj = sdr_malloc(sdr, sizeof(IonContact));
if (obj)
{
sdr_write(sdr, obj, (char *) &contact, sizeof(IonContact));
iondbObj = getIonDbObject();
sdr_read(sdr, (char *) &iondb, iondbObj, sizeof(IonDB));
elt = sdr_list_insert_last(sdr, iondb.contacts, obj);
if (elt)
{
arg.contactElt = elt;
cxaddr = insertCXref(&arg);
if (cxaddr == 0)
{
sdr_cancel_xn(sdr);
}
}
}
if (sdr_end_xn(sdr) < 0)
{
putErrmsg("Can't insert contact.", NULL);
return 0;
}
return cxaddr;
}
/*
* 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;
}
int dtn2fw(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[])
{
#endif
int running = 1;
Sdr sdr;
VScheme *vscheme;
PsmAddress vschemeElt;
Scheme scheme;
Object elt;
Object bundleAddr;
Bundle bundle;
if (bpAttach() < 0)
{
putErrmsg("dtn2fw can't attach to BP.", NULL);
return 1;
}
if (dtn2Init(NULL) < 0)
{
putErrmsg("dtn2fw can't load routing database.", NULL);
return 1;
}
sdr = getIonsdr();
findScheme("dtn", &vscheme, &vschemeElt);
if (vschemeElt == 0)
{
putErrmsg("Scheme name for dtn2 is unknown.", "dtn");
return 1;
}
CHKZERO(sdr_begin_xn(sdr));
sdr_read(sdr, (char *) &scheme, sdr_list_data(sdr,
vscheme->schemeElt), sizeof(Scheme));
sdr_exit_xn(sdr);
oK(_dtn2fwSemaphore(&vscheme->semaphore));
isignal(SIGTERM, shutDown);
/* Main loop: wait until forwarding queue is non-empty,
* then drain it. */
writeMemo("[i] dtn2fw is running.");
while (running && !(sm_SemEnded(vscheme->semaphore)))
{
/* We wrap forwarding in an SDR transaction to
* prevent race condition with bpclock (which
* is destroying bundles as their TTLs expire). */
CHKZERO(sdr_begin_xn(sdr));
elt = sdr_list_first(sdr, scheme.forwardQueue);
if (elt == 0) /* Wait for forwarding notice. */
{
sdr_exit_xn(sdr);
if (sm_SemTake(vscheme->semaphore) < 0)
{
putErrmsg("Can't take forwarder semaphore.",
NULL);
running = 0;
}
continue;
}
bundleAddr = (Object) sdr_list_data(sdr, elt);
sdr_stage(sdr, (char *) &bundle, bundleAddr, sizeof(Bundle));
sdr_list_delete(sdr, elt, NULL, NULL);
bundle.fwdQueueElt = 0;
/* Must rewrite bundle to note removal of
* fwdQueueElt, in case the bundle is abandoned
* and bpDestroyBundle re-reads it from the
* database. */
sdr_write(sdr, bundleAddr, (char *) &bundle, sizeof(Bundle));
if (enqueueBundle(&bundle, bundleAddr) < 0)
{
sdr_cancel_xn(sdr);
putErrmsg("Can't enqueue bundle.", NULL);
running = 0; /* Terminate loop. */
continue;
}
if (sdr_end_xn(sdr) < 0)
{
putErrmsg("Can't enqueue bundle.", NULL);
running = 0; /* Terminate loop. */
}
/* Make sure other tasks have a chance to run. */
sm_TaskYield();
}
writeErrmsgMemos();
writeMemo("[i] dtn2fw forwarder has ended.");
ionDetach();
return 0;
}
static int enqueueBundle(Bundle *bundle, Object bundleObj)
{
Sdr sdr = getIonsdr();
Object elt;
char eidString[SDRSTRING_BUFSZ];
MetaEid metaEid;
VScheme *vscheme;
PsmAddress vschemeElt;
char nodeName[SDRSTRING_BUFSZ];
char demux[SDRSTRING_BUFSZ];
int result;
FwdDirective directive;
elt = sdr_list_first(sdr, bundle->stations);
if (elt == 0)
{
putErrmsg("Forwarding error; stations stack is empty.", NULL);
return -1;
}
sdr_string_read(sdr, eidString, sdr_list_data(sdr, elt));
if (parseEidString(eidString, &metaEid, &vscheme, &vschemeElt) == 0)
{
putErrmsg("Can't parse node EID string.", eidString);
return bpAbandon(bundleObj, bundle, BP_REASON_NO_ROUTE);
}
if (strcmp(vscheme->name, "dtn") != 0)
{
putErrmsg("Forwarding error; EID scheme wrong for dtn2fw.",
vscheme->name);
return -1;
}
result = parseDtn2Nss(metaEid.nss, nodeName, demux);
restoreEidString(&metaEid);
if (result == 0)
{
putErrmsg("Invalid nss in EID string, cannot forward.",
eidString);
return bpAbandon(bundleObj, bundle, BP_REASON_NO_ROUTE);
}
if (dtn2_lookupDirective(nodeName, demux, bundle, &directive) == 0)
{
putErrmsg("Can't find forwarding directive for EID.",
eidString);
return bpAbandon(bundleObj, bundle, BP_REASON_NO_ROUTE);
}
if (directive.action == xmit)
{
if (bpEnqueue(&directive, bundle, bundleObj, eidString) < 0)
{
putErrmsg("Can't enqueue bundle.", NULL);
return -1;
}
if (bundle->ductXmitElt)
{
/* Enqueued. */
return bpAccept(bundleObj, bundle);
}
else
{
return bpAbandon(bundleObj, bundle, BP_REASON_NO_ROUTE);
}
}
/* Can't transmit to indicated next node directly, must
* forward through some other node. */
sdr_write(sdr, bundleObj, (char *) &bundle, sizeof(Bundle));
sdr_string_read(sdr, eidString, directive.eid);
return forwardBundle(bundleObj, bundle, eidString);
}
int acsInitialize(long heapWords, int logLevel)
{
AcsDB acsdbBuf;
unsigned long zero = 0; /* sdr_stow() wants this */
if (heapWords == 0)
{
/* Caller wants us to supply a default. */
heapWords = ACS_SDR_DEFAULT_HEAPWORDS;
}
if (ionAttach() < 0)
{
putErrmsg("Can't attach to ION.", NULL);
return -1;
}
{
Sdr sdr = getIonsdr();
IonDB iondb;
char *pathname = iondb.parmcopy.pathName;
CHKERR(sdr_begin_xn(sdr));
sdr_read(sdr, (char *) &iondb, getIonDbObject(), sizeof(IonDB));
sdr_exit_xn(sdr);
#if 0
{
char text[100];
sprintf( text, "ION parms pathname : %s", pathname );
writeMemo( text );
}
#endif
if (sdr_load_profile(acssdrName, SDR_IN_DRAM, heapWords,
SM_NO_KEY, pathname, NULL) < 0)
{
putErrmsg("Unable to load SDR profile for ACS.", NULL);
return -1;
} else {
writeMemo("ACS SDR profile loaded.");
}
}
acsSdr = sdr_start_using(acssdrName);
if (acsSdr == NULL)
{
putErrmsg("Can't start using SDR for ACS.", NULL);
return -1;
}
if (getAcssdr() < 0)
{
putErrmsg("ACS can't find ACS SDR.", NULL);
return -1;
}
CHKERR(sdr_begin_xn(acsSdr));
acsdbObject = sdr_find(acsSdr, acsDbName, NULL);
switch (acsdbObject)
{
case -1: /* SDR error. */
sdr_cancel_xn(acsSdr);
putErrmsg("Can't seek ACS database in SDR.", NULL);
return -1;
case 0: /* Not found must create new DB. */
memset((char *) &acsdbBuf, 0, sizeof(AcsDB));
acsdbBuf.pendingCusts = sdr_list_create(acsSdr);
acsdbBuf.logLevel = logLevel;
acsdbBuf.cidHash = sdr_hash_create(acsSdr, sizeof(AcsCustodyId),
ACS_CIDHASH_ROWCOUNT, 1);
acsdbBuf.bidHash = sdr_hash_create(acsSdr, sizeof(AcsBundleId),
ACS_BIDHASH_ROWCOUNT, 1);
acsdbBuf.id = sdr_stow(acsSdr, zero);
acsdbObject = sdr_malloc(acsSdr, sizeof(AcsDB));
if (acsdbObject == 0)
{
sdr_cancel_xn(acsSdr);
putErrmsg("No space for ACS database.", NULL);
return -1;
}
sdr_write(acsSdr, acsdbObject, (char *) &acsdbBuf, sizeof(AcsDB));
sdr_catlg(acsSdr, acsDbName, 0, acsdbObject);
if (sdr_end_xn(acsSdr))
{
putErrmsg("Can't create ACS database.", NULL);
return -1;
}
break;
default:
sdr_exit_xn(acsSdr);
}
acsConstants = &acsConstantsBuf;
CHKERR(sdr_begin_xn(acsSdr));
sdr_read(acsSdr, (char *) acsConstants, acsdbObject, sizeof(AcsDB));
sdr_exit_xn(acsSdr);
return 0;
}
int ionInitialize(IonParms *parms, uvast ownNodeNbr)
{
char wdname[256];
Sdr ionsdr;
Object iondbObject;
IonDB iondbBuf;
vast limit;
sm_WmParms ionwmParms;
char *ionvdbName = _ionvdbName();
ZcoCallback notify = ionOfferZcoSpace;
CHKERR(parms);
CHKERR(ownNodeNbr);
#ifdef mingw
if (_winsock(0) < 0)
{
return -1;
}
#endif
if (sdr_initialize(0, NULL, SM_NO_KEY, NULL) < 0)
{
putErrmsg("Can't initialize the SDR system.", NULL);
return -1;
}
if (igetcwd(wdname, 256) == NULL)
{
putErrmsg("Can't get cwd name.", NULL);
return -1;
}
if (checkNodeListParms(parms, wdname, ownNodeNbr) < 0)
{
putErrmsg("Failed checking node list parms.", NULL);
return -1;
}
if (sdr_load_profile(parms->sdrName, parms->configFlags,
parms->heapWords, parms->heapKey, parms->pathName,
"ionrestart") < 0)
{
putErrmsg("Unable to load SDR profile for ION.", NULL);
return -1;
}
ionsdr = sdr_start_using(parms->sdrName);
if (ionsdr == NULL)
{
putErrmsg("Can't start using SDR for ION.", NULL);
return -1;
}
ionsdr = _ionsdr(&ionsdr);
/* Recover the ION database, creating it if necessary. */
CHKERR(sdr_begin_xn(ionsdr));
iondbObject = sdr_find(ionsdr, _iondbName(), NULL);
switch (iondbObject)
{
case -1: /* SDR error. */
sdr_cancel_xn(ionsdr);
putErrmsg("Can't seek ION database in SDR.", NULL);
return -1;
case 0: /* Not found; must create new DB. */
if (ownNodeNbr == 0)
{
sdr_cancel_xn(ionsdr);
putErrmsg("Must supply non-zero node number.", NULL);
return -1;
}
memset((char *) &iondbBuf, 0, sizeof(IonDB));
memcpy(iondbBuf.workingDirectoryName, wdname, 256);
iondbBuf.ownNodeNbr = ownNodeNbr;
iondbBuf.productionRate = -1; /* Unknown. */
iondbBuf.consumptionRate = -1; /* Unknown. */
limit = (sdr_heap_size(ionsdr) / 100) * (100 - ION_SEQUESTERED);
zco_set_max_heap_occupancy(ionsdr, limit);
iondbBuf.occupancyCeiling = zco_get_max_file_occupancy(ionsdr);
iondbBuf.occupancyCeiling += limit;
iondbBuf.contacts = sdr_list_create(ionsdr);
iondbBuf.ranges = sdr_list_create(ionsdr);
iondbBuf.maxClockError = 0;
iondbBuf.clockIsSynchronized = 1;
memcpy(&iondbBuf.parmcopy, parms, sizeof(IonParms));
iondbObject = sdr_malloc(ionsdr, sizeof(IonDB));
if (iondbObject == 0)
{
sdr_cancel_xn(ionsdr);
putErrmsg("No space for database.", NULL);
return -1;
}
sdr_write(ionsdr, iondbObject, (char *) &iondbBuf,
sizeof(IonDB));
sdr_catlg(ionsdr, _iondbName(), 0, iondbObject);
if (sdr_end_xn(ionsdr))
{
putErrmsg("Can't create ION database.", NULL);
return -1;
}
break;
default: /* Found DB in the SDR. */
sdr_exit_xn(ionsdr);
}
oK(_iondbObject(&iondbObject));
oK(_ionConstants());
/* Open ION shared-memory partition. */
ionwmParms.wmKey = parms->wmKey;
ionwmParms.wmSize = parms->wmSize;
ionwmParms.wmAddress = parms->wmAddress;
ionwmParms.wmName = ION_SM_NAME;
if (_ionwm(&ionwmParms) == NULL)
{
putErrmsg("ION memory configuration failed.", NULL);
return -1;
}
if (_ionvdb(&ionvdbName) == NULL)
{
putErrmsg("ION can't initialize vdb.", NULL);
return -1;
}
zco_register_callback(notify);
ionRedirectMemos();
#ifdef mingw
DWORD threadId;
HANDLE thread = CreateThread(NULL, 0, waitForSigterm, NULL, 0,
&threadId);
if (thread == NULL)
{
putErrmsg("Can't create sigterm thread.", utoa(GetLastError()));
}
else
{
CloseHandle(thread);
}
#endif
return 0;
}
