int
dqRetry(CMPIContext * ctx, RTElement * cur)
{
_SFCB_ENTER(TRACE_INDPROVIDER, "dqRetry");
// Delete the instance in the repo
CMPIObjectPath * op=CMNewObjectPath(_broker,"root/interop","SFCB_IndicationElement",NULL);
CMAddKey(op,"IndicationID",&cur->instanceID,CMPI_uint32);
CBDeleteInstance(_broker,ctx,op);
CBDeleteInstance(_broker,ctx,cur->ind);
CMRelease(op);
// Remove the entry from the queue, closing the hole
if (cur->next == cur) {
// queue is empty
free(cur);
RQhead = NULL;
} else {
// not last
cur->prev->next = cur->next;
cur->next->prev = cur->prev;
CMRelease(cur->ref);
CMRelease(cur->sub);
if (cur)
free(cur);
}
_SFCB_RETURN(0);
}
static void TCPCOMM_deleteInstance(int socket, CONST CMPIBroker * broker,
CONST CMPIContext * context)
{
CMPIStatus rc;
CMPIObjectPath *cop;
cop = (__sft)->deserialize_CMPIObjectPath(socket, broker);
rc = CBDeleteInstance(broker, context, cop);
(__sft)->serialize_CMPIStatus(socket, &rc);
}
void *
retryExport(void *lctx)
{
_SFCB_ENTER(TRACE_INDPROVIDER, "retryExport");
CMPIObjectPath *ref;
CMPIArgs *in;
CMPIInstance *sub;
CMPIContext *ctx = (CMPIContext *) lctx;
CMPIContext *ctxLocal;
RTElement *cur,
*purge;
struct timeval tv;
struct timezone tz;
int rint,
maxcount,
ract,
rtint;
CMPIUint64 sfc = 0;
CMPIObjectPath *op;
CMPIEnumeration *isenm = NULL;
//Setup signal handlers
struct sigaction sa;
sa.sa_handler = handle_sig_retry;
sa.sa_flags = 0;
sigemptyset(&sa.sa_mask);
sigaction(SIGUSR2, &sa, NULL);
CMPIStatus st = { CMPI_RC_OK, NULL };
ctxLocal = prepareUpcall(ctx);
// Get the retry params from IndService
op = CMNewObjectPath(_broker, "root/interop", "CIM_IndicationService",
NULL);
isenm = _broker->bft->enumerateInstances(_broker, ctx, op, NULL, NULL);
CMPIData isinst = CMGetNext(isenm, NULL);
CMPIData mc =
CMGetProperty(isinst.value.inst, "DeliveryRetryAttempts", NULL);
CMPIData ri =
CMGetProperty(isinst.value.inst, "DeliveryRetryInterval", NULL);
CMPIData ra =
CMGetProperty(isinst.value.inst, "SubscriptionRemovalAction", NULL);
CMPIData rti =
CMGetProperty(isinst.value.inst, "SubscriptionRemovalTimeInterval",
NULL);
maxcount = mc.value.uint16; // Number of times to retry delivery
rint = ri.value.uint32; // Interval between retries
rtint = rti.value.uint32; // Time to allow sub to keep failing until
ract = ra.value.uint16; // ... this action is taken
// Now, run the queue
sleep(5); //Prevent deadlock on startup when localmode is used.
pthread_mutex_lock(&RQlock);
cur = RQhead;
while (RQhead != NULL) {
if(retryShutdown) break; // Provider shutdown
ref = cur->ref;
// Build the CMPIArgs that deliverInd needs
CMPIInstance *iinst=internalProviderGetInstance(cur->ind,&st);
if (st.rc != 0 ) {
mlogf(M_ERROR,M_SHOW,"Failed to retrieve indication instance from repository, rc:%d\n",st.rc);
purge=cur;
cur=cur->next;
dqRetry(ctx,purge);
continue;
}
in=CMNewArgs(_broker,NULL);
CMAddArg(in,"indication",&iinst,CMPI_instance);
sub=internalProviderGetInstance(cur->sub,&st);
if (st.rc == CMPI_RC_ERR_NOT_FOUND) {
// sub got deleted, purge this indication and move on
_SFCB_TRACE(1,("--- Subscription for indication gone, deleting indication."));
purge = cur;
cur = cur->next;
dqRetry(ctx,purge);
} else {
// Still valid, retry
gettimeofday(&tv, &tz);
if ((cur->lasttry + rint) > tv.tv_sec) {
_SFCB_TRACE(1,("--- sleeping."));
// no retries are ready, release the lock
// and sleep for an interval, then relock
pthread_mutex_unlock(&RQlock);
sleep(rint);
if(retryShutdown) break; // Provider shutdown
pthread_mutex_lock(&RQlock);
}
st = deliverInd(ref, in, iinst);
if ((st.rc == 0) || (cur->count >= maxcount - 1)) {
// either it worked, or we maxed out on retries
// If it succeeded, clear the failtime
if (st.rc == 0) {
_SFCB_TRACE(1,("--- Indication succeeded."));
sfc = 0;
CMSetProperty(sub, "DeliveryFailureTime", &sfc, CMPI_uint64);
CBModifyInstance(_broker, ctxLocal, cur->sub, sub, NULL);
}
// remove from queue in either case
_SFCB_TRACE(1,("--- Indication removed."));
purge = cur;
cur = cur->next;
dqRetry(ctx,purge);
} else {
// still failing, leave on queue
_SFCB_TRACE(1,("--- Indication still failing."));
cur->count++;
gettimeofday(&tv, &tz);
cur->lasttry = tv.tv_sec;
CMPIInstance * indele=internalProviderGetInstance(cur->SFCBIndEle,&st);
CMSetProperty(indele,"LastDelivery",&cur->lasttry,CMPI_sint32);
CMSetProperty(indele,"RetryCount",&cur->count,CMPI_uint32);
CBModifyInstance(_broker, ctxLocal, cur->SFCBIndEle, indele, NULL);
CMPIData sfcp =
CMGetProperty(sub, "DeliveryFailureTime", NULL);
sfc = sfcp.value.uint64;
if (sfc == 0) {
// if the time isn't set, this is the first failure
sfc = tv.tv_sec;
CMSetProperty(sub, "DeliveryFailureTime", &sfc, CMPI_uint64);
CBModifyInstance(_broker, ctxLocal, cur->sub, sub, NULL);
cur = cur->next;
} else if (sfc + rtint < tv.tv_sec) {
// Exceeded subscription removal threshold, if action is:
// 2, delete the sub; 3, disable the sub; otherwise, nothing
if (ract == 2) {
_SFCB_TRACE(1,("--- Subscription threshold reached, deleting."));
CBDeleteInstance(_broker, ctx, cur->sub);
purge = cur;
cur = cur->next;
dqRetry(ctx,purge);
} else if (ract == 3) {
// Set sub state to disable(4)
_SFCB_TRACE(1,("--- Subscription threshold reached, disable."));
CMPIUint16 sst = 4;
CMSetProperty(sub, "SubscriptionState", &sst, CMPI_uint16);
CBModifyInstance(_broker, ctx, cur->sub, sub, NULL);
purge = cur;
cur = cur->next;
dqRetry(ctx,purge);
}
} else {
cur = cur->next;
}
}
}
}
// Queue went dry, cleanup and exit
_SFCB_TRACE(1,("--- Indication retry queue empty, thread exitting."));
pthread_mutex_unlock(&RQlock);
retryRunning = 0;
CMRelease(ctxLocal);
CMRelease(ctx);
_SFCB_RETURN(NULL);
}