CMPIStatus IndCIMXMLHandlerEnumInstanceNames(CMPIInstanceMI * mi, const CMPIContext * ctx, const CMPIResult * rslt, const CMPIObjectPath * ref) { CMPIStatus st; CMPIEnumeration *enm; CMPIContext *ctxLocal; _SFCB_ENTER(TRACE_INDPROVIDER, "IndCIMXMLHandlerEnumInstanceNames"); if (interOpNameSpace(ref,&st)!=1) _SFCB_RETURN(st); ctxLocal = prepareUpcall((CMPIContext *)ctx); #ifdef HAVE_OPTIMIZED_ENUMERATION CMPIString* cn; CMPIObjectPath* refLocal; cn = CMGetClassName(ref, &st); if (strcasecmp(CMGetCharPtr(cn), "cim_listenerdestination") == 0) { enm = _broker->bft->enumerateInstanceNames(_broker, ctxLocal, ref, &st); while(enm && enm->ft->hasNext(enm, &st)) { CMReturnObjectPath(rslt, (enm->ft->getNext(enm, &st)).value.ref); } refLocal = CMNewObjectPath(_broker,"root/interop","cim_listenerdestinationcimxml",&st); enm = _broker->bft->enumerateInstanceNames(_broker, ctxLocal, refLocal, &st); while(enm && enm->ft->hasNext(enm, &st)) { CMReturnObjectPath(rslt, (enm->ft->getNext(enm, &st)).value.ref); } refLocal = CMNewObjectPath(_broker,"root/interop","cim_indicationhandlercimxml",&st); enm = _broker->bft->enumerateInstanceNames(_broker, ctxLocal, refLocal, &st); while(enm && enm->ft->hasNext(enm, &st)) { CMReturnObjectPath(rslt, (enm->ft->getNext(enm, &st)).value.ref); } CMRelease(refLocal); } else { enm = _broker->bft->enumerateInstanceNames(_broker, ctxLocal, ref, &st); while(enm && enm->ft->hasNext(enm, &st)) { CMReturnObjectPath(rslt, (enm->ft->getNext(enm, &st)).value.ref); } } #else enm = _broker->bft->enumerateInstanceNames(_broker, ctxLocal, ref, &st); while(enm && enm->ft->hasNext(enm, &st)) { CMReturnObjectPath(rslt, (enm->ft->getNext(enm, &st)).value.ref); } #endif CMRelease(ctxLocal); if(enm) CMRelease(enm); _SFCB_RETURN(st); }
CMPIStatus IndCIMXMLHandlerInvokeMethod(CMPIMethodMI * mi, const CMPIContext *ctx, const CMPIResult *rslt, const CMPIObjectPath * ref, const char *methodName, const CMPIArgs * in, CMPIArgs * out) { _SFCB_ENTER(TRACE_INDPROVIDER, "IndCIMXMLHandlerInvokeMethod"); CMPIStatus st = { CMPI_RC_OK, NULL }; CMPIStatus circ = { CMPI_RC_OK, NULL }; struct timeval tv; struct timezone tz; static unsigned int indID=1; if (interOpNameSpace(ref, &st) == 0) _SFCB_RETURN(st); if (strcasecmp(methodName, "_deliver") == 0) { // On the first indication, check if reliable indications are enabled. if (RIEnabled == -1) { CMPIObjectPath *op=CMNewObjectPath(_broker,"root/interop","CIM_IndicationService",NULL); CMPIEnumeration *isenm = _broker->bft->enumerateInstances(_broker, ctx, op, NULL, NULL); CMPIData isinst=CMGetNext(isenm,NULL); CMPIData mc=CMGetProperty(isinst.value.inst,"DeliveryRetryAttempts",NULL); RIEnabled=mc.value.uint16; } CMPIInstance *indo=CMGetArg(in,"indication",NULL).value.inst; CMPIInstance *ind=CMClone(indo,NULL); CMPIContext *ctxLocal=NULL; CMPIObjectPath *iop=NULL,*subop=NULL; CMPIInstance *sub=NULL; if (RIEnabled) { ctxLocal = prepareUpcall((CMPIContext *) ctx); // Set the indication sequence values iop=CMGetObjectPath(ind,NULL); CMAddKey(iop,"SFCB_IndicationID",&indID,CMPI_uint32); CMSetProperty(ind,"SFCB_IndicationID",&indID,CMPI_uint32); // Prevent this property from showing up in the indication filterFlagProperty(ind, "SFCB_IndicationID"); sub=CMGetArg(in,"subscription",NULL).value.inst; CMPIData handler=CMGetProperty(sub, "Handler", &st); CMPIObjectPath *hop=handler.value.ref; CMPIInstance *hdlr=CBGetInstance(_broker, ctxLocal, hop, NULL, &st); // Build the complete sequence context // Get the stub from the handler CMPIString *context = CMGetProperty(hdlr, "SequenceContext", &st).value.string; // and add the sfcb start time char *cstr=malloc( (strlen(context->ft->getCharPtr(context,NULL)) + strlen(sfcBrokerStart) + 1) * sizeof(char)); sprintf(cstr,"%s%s",context->ft->getCharPtr(context,NULL),sfcBrokerStart); context = sfcb_native_new_CMPIString(cstr, NULL, 0); // and put it in the indication CMSetProperty(ind, "SequenceContext", &context, CMPI_string); free(cstr); CMRelease(context); // Get the proper sequence number CMPIValue lastseq = CMGetProperty(hdlr, "LastSequenceNumber", &st).value; lastseq.sint64++; // Handle wrapping of the signed int if (lastseq.sint64 < 0) lastseq.sint64=0; // Update the last used number in the handler CMSetProperty(hdlr, "LastSequenceNumber", &lastseq.sint64, CMPI_sint64); CBModifyInstance(_broker, ctxLocal, hop, hdlr, NULL); // And the indication CMSetProperty(ind, "SequenceNumber", &lastseq, CMPI_sint64); } // Now send the indication st = deliverInd(ref, in, ind); if (st.rc != 0) { if (RIEnabled){ _SFCB_TRACE(1,("--- Indication delivery failed, adding to retry queue")); // Indication delivery failed, send to retry queue // build an element RTElement *element; element = (RTElement *) malloc(sizeof(*element)); element->ref=ref->ft->clone(ref,NULL); // Get the OP of the subscription and indication subop=CMGetObjectPath(sub,NULL); element->sub=subop->ft->clone(subop,NULL); element->ind=iop->ft->clone(iop,NULL); // Store other attrs element->instanceID=indID; element->count=0; gettimeofday(&tv, &tz); element->lasttry=tv.tv_sec; // Push the indication to the repo CBCreateInstance(_broker, ctxLocal, iop, ind, &circ); if (circ.rc != 0) { mlogf(M_ERROR,M_SHOW,"Pushing indication instance to repository failed, rc:%d\n",circ.rc); } indID++; // Add it to the retry queue enqRetry(element,ctx,1); // And launch the thread if it isn't already running pthread_attr_init(&tattr); pthread_attr_setdetachstate(&tattr, PTHREAD_CREATE_DETACHED); if (retryRunning == 0) { retryRunning = 1; _SFCB_TRACE(1,("--- Starting retryExport thread")); CMPIContext *pctx = native_clone_CMPIContext(ctx); pthread_create(&t, &tattr, &retryExport, (void *) pctx); } CMRelease(ctxLocal); } } CMRelease(ind); } else { printf("--- ClassProvider: Invalid request %s\n", methodName); st.rc = CMPI_RC_ERR_METHOD_NOT_FOUND; } _SFCB_RETURN(st); }
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); }