implemented new tdata format
[public/netxms.git] / src / server / core / dctarget.cpp
1 /*
2 ** NetXMS - Network Management System
3 ** Copyright (C) 2003-2016 Victor Kirhenshtein
4 **
5 ** This program is free software; you can redistribute it and/or modify
6 ** it under the terms of the GNU General Public License as published by
7 ** the Free Software Foundation; either version 2 of the License, or
8 ** (at your option) any later version.
9 **
10 ** This program is distributed in the hope that it will be useful,
11 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
12 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 ** GNU General Public License for more details.
14 **
15 ** You should have received a copy of the GNU General Public License
16 ** along with this program; if not, write to the Free Software
17 ** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 **
19 ** File: dctarget.cpp
20 **
21 **/
22
23 #include "nxcore.h"
24
25 /**
26 * Default constructor
27 */
28 DataCollectionTarget::DataCollectionTarget() : Template()
29 {
30 m_pingLastTimeStamp = 0;
31 m_pingTime = PING_TIME_TIMEOUT;
32 }
33
34 /**
35 * Constructor for creating new data collection capable objects
36 */
37 DataCollectionTarget::DataCollectionTarget(const TCHAR *name) : Template(name)
38 {
39 m_pingLastTimeStamp = 0;
40 m_pingTime = PING_TIME_TIMEOUT;
41 }
42
43 /**
44 * Destructor
45 */
46 DataCollectionTarget::~DataCollectionTarget()
47 {
48 m_pingLastTimeStamp = 0;
49 m_pingTime = PING_TIME_TIMEOUT;
50 }
51
52 /**
53 * Delete object from database
54 */
55 bool DataCollectionTarget::deleteFromDatabase(DB_HANDLE hdb)
56 {
57 bool success = Template::deleteFromDatabase(hdb);
58 if (success)
59 {
60 TCHAR query[256];
61 _sntprintf(query, 256, _T("DROP TABLE idata_%d"), (int)m_id);
62 QueueSQLRequest(query);
63
64 _sntprintf(query, 256, _T("DROP TABLE tdata_%d"), (int)m_id);
65 QueueSQLRequest(query);
66 }
67 return success;
68 }
69
70 /**
71 * Create NXCP message with object's data
72 */
73 void DataCollectionTarget::fillMessageInternal(NXCPMessage *msg)
74 {
75 Template::fillMessageInternal(msg);
76 }
77
78 /**
79 * Create NXCP message with object's data - stage 2
80 */
81 void DataCollectionTarget::fillMessageInternalStage2(NXCPMessage *msg)
82 {
83 Template::fillMessageInternalStage2(msg);
84
85 // Sent all DCIs marked for display on overview page or in tooltips
86 UINT32 fieldIdOverview = VID_OVERVIEW_DCI_LIST_BASE;
87 UINT32 countOverview = 0;
88 UINT32 fieldIdTooltip = VID_TOOLTIP_DCI_LIST_BASE;
89 UINT32 countTooltip = 0;
90 lockDciAccess(false);
91 for(int i = 0; i < m_dcObjects->size(); i++)
92 {
93 DCObject *dci = m_dcObjects->get(i);
94 if ((dci->getType() == DCO_TYPE_ITEM) &&
95 (dci->getStatus() == ITEM_STATUS_ACTIVE) &&
96 (((DCItem *)dci)->getInstanceDiscoveryMethod() == IDM_NONE))
97 {
98 if (dci->isShowInObjectOverview())
99 {
100 countOverview++;
101 ((DCItem *)dci)->fillLastValueMessage(msg, fieldIdOverview);
102 fieldIdOverview += 50;
103 }
104 if (dci->isShowOnObjectTooltip())
105 {
106 countTooltip++;
107 ((DCItem *)dci)->fillLastValueMessage(msg, fieldIdTooltip);
108 fieldIdTooltip += 50;
109 }
110 }
111 }
112 unlockDciAccess();
113 msg->setField(VID_OVERVIEW_DCI_COUNT, countOverview);
114 msg->setField(VID_TOOLTIP_DCI_COUNT, countTooltip);
115 }
116
117 /**
118 * Modify object from message
119 */
120 UINT32 DataCollectionTarget::modifyFromMessageInternal(NXCPMessage *pRequest)
121 {
122 return Template::modifyFromMessageInternal(pRequest);
123 }
124
125 /**
126 * Update cache for all DCI's
127 */
128 void DataCollectionTarget::updateDciCache()
129 {
130 lockDciAccess(false);
131 for(int i = 0; i < m_dcObjects->size(); i++)
132 {
133 if (m_dcObjects->get(i)->getType() == DCO_TYPE_ITEM)
134 {
135 ((DCItem *)m_dcObjects->get(i))->updateCacheSize();
136 }
137 }
138 unlockDciAccess();
139 }
140
141 /**
142 * Clean expired DCI data
143 */
144 void DataCollectionTarget::cleanDCIData(DB_HANDLE hdb)
145 {
146 String queryItems = _T("DELETE FROM idata_");
147 queryItems.append(m_id);
148 queryItems.append(_T(" WHERE "));
149
150 String queryTables = _T("DELETE FROM tdata_");
151 queryTables.append(m_id);
152 queryTables.append(_T(" WHERE "));
153
154 int itemCount = 0;
155 int tableCount = 0;
156 time_t now = time(NULL);
157
158 lockDciAccess(false);
159 for(int i = 0; i < m_dcObjects->size(); i++)
160 {
161 DCObject *o = m_dcObjects->get(i);
162 if (o->getType() == DCO_TYPE_ITEM)
163 {
164 if (itemCount > 0)
165 queryItems.append(_T(" OR "));
166 queryItems.append(_T("(item_id="));
167 queryItems.append(o->getId());
168 queryItems.append(_T(" AND idata_timestamp<"));
169 queryItems.append((INT64)(now - o->getEffectiveRetentionTime() * 86400));
170 queryItems.append(_T(')'));
171 itemCount++;
172 }
173 else if (o->getType() == DCO_TYPE_TABLE)
174 {
175 if (tableCount > 0)
176 queryTables.append(_T(" OR "));
177 queryTables.append(_T("(item_id="));
178 queryTables.append(o->getId());
179 queryTables.append(_T(" AND tdata_timestamp<"));
180 queryTables.append((INT64)(now - o->getEffectiveRetentionTime() * 86400));
181 queryTables.append(_T(')'));
182 tableCount++;
183 }
184 }
185 unlockDciAccess();
186
187 if (itemCount > 0)
188 {
189 DbgPrintf(6, _T("DataCollectionTarget::cleanDCIData(%s [%d]): running query \"%s\""), m_name, m_id, (const TCHAR *)queryItems);
190 DBQuery(hdb, queryItems);
191 }
192
193 if (tableCount > 0)
194 {
195 DbgPrintf(6, _T("DataCollectionTarget::cleanDCIData(%s [%d]): running query \"%s\""), m_name, m_id, (const TCHAR *)queryTables);
196 DBQuery(hdb, queryTables);
197 }
198 }
199
200 /**
201 * Get last collected values of given table
202 */
203 UINT32 DataCollectionTarget::getTableLastValues(UINT32 dciId, NXCPMessage *msg)
204 {
205 UINT32 rcc = RCC_INVALID_DCI_ID;
206
207 lockDciAccess(false);
208
209 for(int i = 0; i < m_dcObjects->size(); i++)
210 {
211 DCObject *object = m_dcObjects->get(i);
212 if ((object->getId() == dciId) && (object->getType() == DCO_TYPE_TABLE))
213 {
214 ((DCTable *)object)->fillLastValueMessage(msg);
215 rcc = RCC_SUCCESS;
216 break;
217 }
218 }
219
220 unlockDciAccess();
221 return rcc;
222 }
223
224 /**
225 * Apply DCI from template
226 * dcObject passed to this method should be a template's DCI
227 */
228 bool DataCollectionTarget::applyTemplateItem(UINT32 dwTemplateId, DCObject *dcObject)
229 {
230 bool bResult = true;
231
232 lockDciAccess(true); // write lock
233
234 DbgPrintf(5, _T("Applying DCO \"%s\" to target \"%s\""), dcObject->getName(), m_name);
235
236 // Check if that template item exists
237 int i;
238 for(i = 0; i < m_dcObjects->size(); i++)
239 if ((m_dcObjects->get(i)->getTemplateId() == dwTemplateId) &&
240 (m_dcObjects->get(i)->getTemplateItemId() == dcObject->getId()))
241 break; // Item with specified id already exist
242
243 if (i == m_dcObjects->size())
244 {
245 // New item from template, just add it
246 DCObject *newObject;
247 switch(dcObject->getType())
248 {
249 case DCO_TYPE_ITEM:
250 newObject = new DCItem((DCItem *)dcObject);
251 break;
252 case DCO_TYPE_TABLE:
253 newObject = new DCTable((DCTable *)dcObject);
254 break;
255 default:
256 newObject = NULL;
257 break;
258 }
259 if (newObject != NULL)
260 {
261 newObject->setTemplateId(dwTemplateId, dcObject->getId());
262 newObject->changeBinding(CreateUniqueId(IDG_ITEM), this, TRUE);
263 bResult = addDCObject(newObject, true);
264 }
265 }
266 else
267 {
268 // Update existing item unless it is disabled
269 DCObject *curr = m_dcObjects->get(i);
270 if ((curr->getStatus() != ITEM_STATUS_DISABLED) || (g_flags & AF_APPLY_TO_DISABLED_DCI_FROM_TEMPLATE))
271 {
272 curr->updateFromTemplate(dcObject);
273 DbgPrintf(9, _T("DCO \"%s\" NOT disabled or ApplyDCIFromTemplateToDisabledDCI set, updated (%d)"),
274 dcObject->getName(), curr->getStatus());
275 if ((curr->getType() == DCO_TYPE_ITEM) && (((DCItem *)curr)->getInstanceDiscoveryMethod() != IDM_NONE))
276 {
277 updateInstanceDiscoveryItems((DCItem *)curr);
278 }
279 }
280 else
281 {
282 DbgPrintf(9, _T("DCO \"%s\" is disabled and ApplyDCIFromTemplateToDisabledDCI not set, no update (%d)"),
283 dcObject->getName(), curr->getStatus());
284 }
285 }
286
287 unlockDciAccess();
288
289 if (bResult)
290 {
291 lockProperties();
292 m_isModified = true;
293 unlockProperties();
294 }
295 return bResult;
296 }
297
298 /**
299 * Clean deleted template items from target's DCI list
300 * Arguments is template id and list of valid template item ids.
301 * all items related to given template and not presented in list should be deleted.
302 */
303 void DataCollectionTarget::cleanDeletedTemplateItems(UINT32 dwTemplateId, UINT32 dwNumItems, UINT32 *pdwItemList)
304 {
305 UINT32 i, j, dwNumDeleted, *pdwDeleteList;
306
307 lockDciAccess(true); // write lock
308
309 pdwDeleteList = (UINT32 *)malloc(sizeof(UINT32) * m_dcObjects->size());
310 dwNumDeleted = 0;
311
312 for(i = 0; i < (UINT32)m_dcObjects->size(); i++)
313 if (m_dcObjects->get(i)->getTemplateId() == dwTemplateId)
314 {
315 for(j = 0; j < dwNumItems; j++)
316 if (m_dcObjects->get(i)->getTemplateItemId() == pdwItemList[j])
317 break;
318
319 // Delete DCI if it's not in list
320 if (j == dwNumItems)
321 pdwDeleteList[dwNumDeleted++] = m_dcObjects->get(i)->getId();
322 }
323
324 for(i = 0; i < dwNumDeleted; i++)
325 deleteDCObject(pdwDeleteList[i], false);
326
327 unlockDciAccess();
328 free(pdwDeleteList);
329 }
330
331 /**
332 * Unbind data collection target from template, i.e either remove DCI
333 * association with template or remove these DCIs at all
334 */
335 void DataCollectionTarget::unbindFromTemplate(UINT32 dwTemplateId, bool removeDCI)
336 {
337 if (removeDCI)
338 {
339 lockDciAccess(true); // write lock
340
341 UINT32 *deleteList = (UINT32 *)malloc(sizeof(UINT32) * m_dcObjects->size());
342 int numDeleted = 0;
343
344 int i;
345 for(i = 0; i < m_dcObjects->size(); i++)
346 if (m_dcObjects->get(i)->getTemplateId() == dwTemplateId)
347 {
348 deleteList[numDeleted++] = m_dcObjects->get(i)->getId();
349 }
350
351 for(i = 0; i < numDeleted; i++)
352 deleteDCObject(deleteList[i], false);
353
354 unlockDciAccess();
355 free(deleteList);
356 }
357 else
358 {
359 lockDciAccess(false);
360
361 for(int i = 0; i < m_dcObjects->size(); i++)
362 if (m_dcObjects->get(i)->getTemplateId() == dwTemplateId)
363 {
364 m_dcObjects->get(i)->setTemplateId(0, 0);
365 }
366
367 unlockDciAccess();
368 }
369 }
370
371 /**
372 * Get list of DCIs to be shown on performance tab
373 */
374 UINT32 DataCollectionTarget::getPerfTabDCIList(NXCPMessage *pMsg)
375 {
376 lockDciAccess(false);
377
378 UINT32 dwId = VID_SYSDCI_LIST_BASE, dwCount = 0;
379 for(int i = 0; i < m_dcObjects->size(); i++)
380 {
381 DCObject *object = m_dcObjects->get(i);
382 if ((object->getPerfTabSettings() != NULL) &&
383 object->hasValue() &&
384 (object->getStatus() == ITEM_STATUS_ACTIVE) &&
385 object->matchClusterResource())
386 {
387 pMsg->setField(dwId++, object->getId());
388 pMsg->setField(dwId++, object->getDescription());
389 pMsg->setField(dwId++, (WORD)object->getStatus());
390 pMsg->setField(dwId++, object->getPerfTabSettings());
391 pMsg->setField(dwId++, (WORD)object->getType());
392 pMsg->setField(dwId++, object->getTemplateItemId());
393 if (object->getType() == DCO_TYPE_ITEM)
394 {
395 pMsg->setField(dwId++, ((DCItem *)object)->getInstance());
396 if ((object->getTemplateItemId() != 0) && (object->getTemplateId() == m_id))
397 {
398 // DCI created via instance discovery - send ID of root template item
399 // to allow UI to resolve double template case
400 // (template -> instance discovery item on node -> actual item on node)
401 DCObject *src = getDCObjectById(object->getTemplateItemId(), false);
402 pMsg->setField(dwId++, (src != NULL) ? src->getTemplateItemId() : 0);
403 dwId += 2;
404 }
405 else
406 {
407 dwId += 3;
408 }
409 }
410 else
411 {
412 dwId += 4;
413 }
414 dwCount++;
415 }
416 }
417 pMsg->setField(VID_NUM_ITEMS, dwCount);
418
419 unlockDciAccess();
420 return RCC_SUCCESS;
421 }
422
423 /**
424 * Get threshold violation summary into NXCP message
425 */
426 UINT32 DataCollectionTarget::getThresholdSummary(NXCPMessage *msg, UINT32 baseId)
427 {
428 UINT32 varId = baseId;
429
430 msg->setField(varId++, m_id);
431 UINT32 countId = varId++;
432 UINT32 count = 0;
433
434 lockDciAccess(false);
435 for(int i = 0; i < m_dcObjects->size(); i++)
436 {
437 DCObject *object = m_dcObjects->get(i);
438 if (object->hasValue() && (object->getType() == DCO_TYPE_ITEM) && (object->getStatus() == ITEM_STATUS_ACTIVE))
439 {
440 if (((DCItem *)object)->hasActiveThreshold())
441 {
442 ((DCItem *)object)->fillLastValueMessage(msg, varId);
443 varId += 50;
444 count++;
445 }
446 }
447 }
448 unlockDciAccess();
449 msg->setField(countId, count);
450 return varId;
451 }
452
453 /**
454 * Process new DCI value
455 */
456 bool DataCollectionTarget::processNewDCValue(DCObject *dco, time_t currTime, const void *value)
457 {
458 bool updateStatus;
459 bool result = dco->processNewValue(currTime, value, &updateStatus);
460 if (updateStatus)
461 {
462 calculateCompoundStatus(FALSE);
463 }
464 return result;
465 }
466
467 /**
468 * Check if data collection is disabled
469 */
470 bool DataCollectionTarget::isDataCollectionDisabled()
471 {
472 return false;
473 }
474
475 /**
476 * Put items which requires polling into the queue
477 */
478 void DataCollectionTarget::queueItemsForPolling(Queue *pPollerQueue)
479 {
480 if ((m_status == STATUS_UNMANAGED) || isDataCollectionDisabled() || m_isDeleted)
481 return; // Do not collect data for unmanaged objects or if data collection is disabled
482
483 time_t currTime = time(NULL);
484
485 lockDciAccess(false);
486 for(int i = 0; i < m_dcObjects->size(); i++)
487 {
488 DCObject *object = m_dcObjects->get(i);
489 if (object->isReadyForPolling(currTime))
490 {
491 object->setBusyFlag(TRUE);
492 incRefCount(); // Increment reference count for each queued DCI
493 pPollerQueue->put(object);
494 DbgPrintf(8, _T("DataCollectionTarget(%s)->QueueItemsForPolling(): item %d \"%s\" added to queue"), m_name, object->getId(), object->getName());
495 }
496 }
497 unlockDciAccess();
498 }
499
500 /**
501 * Get object from parameter
502 */
503 NetObj *DataCollectionTarget::objectFromParameter(const TCHAR *param)
504 {
505 TCHAR *eptr, arg[256];
506 AgentGetParameterArg(param, 1, arg, 256);
507 UINT32 objectId = _tcstoul(arg, &eptr, 0);
508 if (*eptr != 0)
509 {
510 // Argument is object's name
511 objectId = 0;
512 }
513
514 // Find child object with requested ID or name
515 NetObj *object = NULL;
516 lockChildList(false);
517 for(int i = 0; i < m_childList->size(); i++)
518 {
519 NetObj *curr = m_childList->get(i);
520 if (((objectId == 0) && (!_tcsicmp(curr->getName(), arg))) ||
521 (objectId == curr->getId()))
522 {
523 object = curr;
524 break;
525 }
526 }
527 unlockChildList();
528 return object;
529 }
530
531 /**
532 * Get value for server's internal parameter
533 */
534 UINT32 DataCollectionTarget::getInternalItem(const TCHAR *param, size_t bufSize, TCHAR *buffer)
535 {
536 UINT32 dwError = DCE_SUCCESS;
537
538 if (!_tcsicmp(param, _T("Status")))
539 {
540 _sntprintf(buffer, bufSize, _T("%d"), m_status);
541 }
542 else if (!_tcsicmp(param, _T("Dummy")) || MatchString(_T("Dummy(*)"), param, FALSE))
543 {
544 _tcscpy(buffer, _T("0"));
545 }
546 else if (MatchString(_T("ChildStatus(*)"), param, FALSE))
547 {
548 NetObj *object = objectFromParameter(param);
549 if (object != NULL)
550 {
551 _sntprintf(buffer, bufSize, _T("%d"), object->getStatus());
552 }
553 else
554 {
555 dwError = DCE_NOT_SUPPORTED;
556 }
557 }
558 else if (MatchString(_T("ConditionStatus(*)"), param, FALSE))
559 {
560 TCHAR *pEnd, szArg[256];
561 UINT32 dwId;
562 NetObj *pObject = NULL;
563
564 AgentGetParameterArg(param, 1, szArg, 256);
565 dwId = _tcstoul(szArg, &pEnd, 0);
566 if (*pEnd == 0)
567 {
568 pObject = FindObjectById(dwId);
569 if (pObject != NULL)
570 if (pObject->getObjectClass() != OBJECT_CONDITION)
571 pObject = NULL;
572 }
573 else
574 {
575 // Argument is object's name
576 pObject = FindObjectByName(szArg, OBJECT_CONDITION);
577 }
578
579 if (pObject != NULL)
580 {
581 if (pObject->isTrustedNode(m_id))
582 {
583 _sntprintf(buffer, bufSize, _T("%d"), pObject->getStatus());
584 }
585 else
586 {
587 dwError = DCE_NOT_SUPPORTED;
588 }
589 }
590 else
591 {
592 dwError = DCE_NOT_SUPPORTED;
593 }
594 }
595 else
596 {
597 dwError = DCE_NOT_SUPPORTED;
598 }
599
600 return dwError;
601 }
602
603 /**
604 * Get parameter value from NXSL script
605 */
606 UINT32 DataCollectionTarget::getScriptItem(const TCHAR *param, size_t bufSize, TCHAR *buffer)
607 {
608 TCHAR name[256];
609 nx_strncpy(name, param, 256);
610 Trim(name);
611
612 ObjectArray<NXSL_Value> args(16, 16, false);
613
614 // Can be in form parameter(arg1, arg2, ... argN)
615 TCHAR *p = _tcschr(name, _T('('));
616 if (p != NULL)
617 {
618 if (name[_tcslen(name) - 1] != _T(')'))
619 return DCE_NOT_SUPPORTED;
620 name[_tcslen(name) - 1] = 0;
621
622 if (!ParseValueList(&p, args))
623 {
624 // argument parsing error
625 args.clear();
626 return DCE_NOT_SUPPORTED;
627 }
628 }
629
630 UINT32 rc = DCE_NOT_SUPPORTED;
631 NXSL_VM *vm = g_pScriptLibrary->createVM(name, new NXSL_ServerEnv);
632 if (vm != NULL)
633 {
634 vm->setGlobalVariable(_T("$object"), createNXSLObject());
635 if (getObjectClass() == OBJECT_NODE)
636 {
637 vm->setGlobalVariable(_T("$node"), new NXSL_Value(new NXSL_Object(&g_nxslNodeClass, this)));
638 }
639 vm->setGlobalVariable(_T("$isCluster"), new NXSL_Value((getObjectClass() == OBJECT_CLUSTER) ? 1 : 0));
640 if (vm->run(&args))
641 {
642 NXSL_Value *value = vm->getResult();
643 if (value->isNull())
644 {
645 // NULL value is an error indicator
646 rc = DCE_COMM_ERROR;
647 }
648 else
649 {
650 const TCHAR *dciValue = value->getValueAsCString();
651 nx_strncpy(buffer, CHECK_NULL_EX(dciValue), bufSize);
652 rc = DCE_SUCCESS;
653 }
654 }
655 else
656 {
657 DbgPrintf(4, _T("DataCollectionTarget(%s)->getScriptItem(%s): Script execution error: %s"), m_name, param, vm->getErrorText());
658 PostEvent(EVENT_SCRIPT_ERROR, g_dwMgmtNode, "ssd", name, vm->getErrorText(), m_id);
659 rc = DCE_COMM_ERROR;
660 }
661 delete vm;
662 }
663 else
664 {
665 args.setOwner(true);
666 }
667 DbgPrintf(7, _T("DataCollectionTarget(%s)->getScriptItem(%s): rc=%d"), m_name, param, rc);
668 return rc;
669 }
670
671 /**
672 * Get list from library script
673 */
674 UINT32 DataCollectionTarget::getListFromScript(const TCHAR *param, StringList **list)
675 {
676 TCHAR name[256];
677 nx_strncpy(name, param, 256);
678 Trim(name);
679
680 ObjectArray<NXSL_Value> args(16, 16, false);
681
682 // Can be in form parameter(arg1, arg2, ... argN)
683 TCHAR *p = _tcschr(name, _T('('));
684 if (p != NULL)
685 {
686 if (name[_tcslen(name) - 1] != _T(')'))
687 return DCE_NOT_SUPPORTED;
688 name[_tcslen(name) - 1] = 0;
689
690 if (!ParseValueList(&p, args))
691 {
692 // argument parsing error
693 args.clear();
694 return DCE_NOT_SUPPORTED;
695 }
696 }
697
698 UINT32 rc = DCE_NOT_SUPPORTED;
699 NXSL_VM *vm = g_pScriptLibrary->createVM(name, new NXSL_ServerEnv);
700 if (vm != NULL)
701 {
702 vm->setGlobalVariable(_T("$object"), createNXSLObject());
703 if (getObjectClass() == OBJECT_NODE)
704 {
705 vm->setGlobalVariable(_T("$node"), new NXSL_Value(new NXSL_Object(&g_nxslNodeClass, this)));
706 }
707 vm->setGlobalVariable(_T("$isCluster"), new NXSL_Value((getObjectClass() == OBJECT_CLUSTER) ? 1 : 0));
708 if (vm->run(&args))
709 {
710 rc = DCE_SUCCESS;
711 NXSL_Value *value = vm->getResult();
712 if (value->isArray())
713 {
714 *list = value->getValueAsArray()->toStringList();
715 }
716 else if (value->isString())
717 {
718 *list = new StringList;
719 (*list)->add(value->getValueAsCString());
720 }
721 else if (value->isNull())
722 {
723 rc = DCE_COMM_ERROR;
724 }
725 else
726 {
727 *list = new StringList;
728 }
729 }
730 else
731 {
732 DbgPrintf(4, _T("DataCollectionTarget(%s)->getListFromScript(%s): Script execution error: %s"), m_name, param, vm->getErrorText());
733 PostEvent(EVENT_SCRIPT_ERROR, g_dwMgmtNode, "ssd", name, vm->getErrorText(), m_id);
734 rc = DCE_COMM_ERROR;
735 }
736 delete vm;
737 }
738 else
739 {
740 args.setOwner(true);
741 DbgPrintf(4, _T("DataCollectionTarget(%s)->getListFromScript(%s): script \"%s\" not found"), m_name, param, name);
742 }
743 DbgPrintf(7, _T("DataCollectionTarget(%s)->getListFromScript(%s): rc=%d"), m_name, param, rc);
744 return rc;
745 }
746
747 /**
748 * Get last (current) DCI values for summary table.
749 */
750 void DataCollectionTarget::getDciValuesSummary(SummaryTable *tableDefinition, Table *tableData)
751 {
752 int offset = tableDefinition->isMultiInstance() ? 2 : 1;
753 int baseRow = tableData->getNumRows();
754 bool rowAdded = false;
755 lockDciAccess(false);
756 for(int i = 0; i < tableDefinition->getNumColumns(); i++)
757 {
758 SummaryTableColumn *tc = tableDefinition->getColumn(i);
759 for(int j = 0; j < m_dcObjects->size(); j++)
760 {
761 DCObject *object = m_dcObjects->get(j);
762 if ((object->getType() == DCO_TYPE_ITEM) && object->hasValue() &&
763 (object->getStatus() == ITEM_STATUS_ACTIVE) &&
764 ((tc->m_flags & COLUMN_DEFINITION_REGEXP_MATCH) ?
765 RegexpMatch(object->getName(), tc->m_dciName, FALSE) :
766 !_tcsicmp(object->getName(), tc->m_dciName)
767 ))
768 {
769 int row;
770 if (tableDefinition->isMultiInstance())
771 {
772 // Find instance
773 const TCHAR *instance = ((DCItem *)object)->getInstance();
774 for(row = baseRow; row < tableData->getNumRows(); row++)
775 {
776 const TCHAR *v = tableData->getAsString(row, 1);
777 if (!_tcscmp(CHECK_NULL_EX(v), instance))
778 break;
779 }
780 if (row == tableData->getNumRows())
781 {
782 tableData->addRow();
783 tableData->set(0, m_name);
784 tableData->set(1, instance);
785 tableData->setObjectId(tableData->getNumRows() - 1, m_id);
786 }
787 }
788 else
789 {
790 if (!rowAdded)
791 {
792 tableData->addRow();
793 tableData->set(0, m_name);
794 tableData->setObjectId(tableData->getNumRows() - 1, m_id);
795 rowAdded = true;
796 }
797 row = tableData->getNumRows() - 1;
798 }
799 tableData->setStatusAt(row, i + offset, ((DCItem *)object)->getThresholdSeverity());
800 tableData->setCellObjectIdAt(row, i + offset, object->getId());
801 tableData->getColumnDefinitions()->get(i + offset)->setDataType(((DCItem *)object)->getDataType());
802 if (tableDefinition->getAggregationFunction() == F_LAST)
803 {
804 tableData->setAt(row, i + offset, ((DCItem *)object)->getLastValue());
805 }
806 else
807 {
808 tableData->setAt(row, i + offset,
809 ((DCItem *)object)->getAggregateValue(
810 tableDefinition->getAggregationFunction(),
811 tableDefinition->getPeriodStart(),
812 tableDefinition->getPeriodEnd()));
813 }
814
815 if (!tableDefinition->isMultiInstance())
816 break;
817 }
818 }
819 }
820 unlockDciAccess();
821 }
822
823 /**
824 * Must return true if object is a possible event source
825 */
826 bool DataCollectionTarget::isEventSource()
827 {
828 return true;
829 }
830
831 /**
832 * Returns most critical status of DCI used for
833 * status calculation
834 */
835 int DataCollectionTarget::getMostCriticalDCIStatus()
836 {
837 int status = -1;
838 lockDciAccess(false);
839 for(int i = 0; i < m_dcObjects->size(); i++)
840 {
841 DCObject *curr = m_dcObjects->get(i);
842 if (curr->isStatusDCO() && (curr->getType() == DCO_TYPE_ITEM) &&
843 curr->hasValue() && (curr->getStatus() == ITEM_STATUS_ACTIVE))
844 {
845 if (getObjectClass() == OBJECT_CLUSTER && !curr->isAggregateOnCluster())
846 continue; // Calculated only on those that are agregated on cluster
847
848 ItemValue *value = ((DCItem *)curr)->getInternalLastValue();
849 if (value != NULL && (INT32)*value >= STATUS_NORMAL && (INT32)*value <= STATUS_CRITICAL)
850 status = max(status, (INT32)*value);
851 delete value;
852 }
853 }
854 unlockDciAccess();
855 return (status == -1) ? STATUS_UNKNOWN : status;
856 }
857
858 /**
859 * Calculate compound status
860 */
861 void DataCollectionTarget::calculateCompoundStatus(BOOL bForcedRecalc)
862 {
863 NetObj::calculateCompoundStatus(bForcedRecalc);
864 }
865
866 /**
867 * Returns last ping time
868 */
869 UINT32 DataCollectionTarget::getPingTime()
870 {
871 if ((time(NULL) - m_pingLastTimeStamp) > g_dwStatusPollingInterval)
872 {
873 updatePingData();
874 DbgPrintf(7, _T("DataCollectionTarget::getPingTime: update ping time is required! Last ping time %d."), m_pingLastTimeStamp);
875 }
876 return m_pingTime;
877 }
878
879 /**
880 * Update ping data
881 */
882 void DataCollectionTarget::updatePingData()
883 {
884 m_pingLastTimeStamp = 0;
885 m_pingTime = PING_TIME_TIMEOUT;
886 }
887
888 /**
889 * Enter maintenance mode
890 */
891 void DataCollectionTarget::enterMaintenanceMode()
892 {
893 DbgPrintf(4, _T("Entering maintenance mode for %s [%d]"), m_name, m_id);
894 UINT64 eventId = PostEvent2(EVENT_MAINTENANCE_MODE_ENTERED, m_id, NULL);
895 lockProperties();
896 m_maintenanceMode = true;
897 m_maintenanceEventId = eventId;
898 setModified();
899 unlockProperties();
900 }
901
902 /**
903 * Leave maintenance mode
904 */
905 void DataCollectionTarget::leaveMaintenanceMode()
906 {
907 DbgPrintf(4, _T("Leaving maintenance mode for %s [%d]"), m_name, m_id);
908 PostEvent(EVENT_MAINTENANCE_MODE_LEFT, m_id, NULL);
909 lockProperties();
910 m_maintenanceMode = false;
911 m_maintenanceEventId = 0;
912 setModified();
913 unlockProperties();
914 }
915
916 /**
917 * Update cache size for given data collection item
918 */
919 void DataCollectionTarget::updateDCItemCacheSize(UINT32 dciId, UINT32 conditionId)
920 {
921 lockDciAccess(false);
922 DCObject *dci = getDCObjectById(dciId, false);
923 if ((dci != NULL) && (dci->getType() == DCO_TYPE_ITEM))
924 {
925 ((DCItem *)dci)->updateCacheSize(conditionId);
926 }
927 unlockDciAccess();
928 }
929
930 /**
931 * Returns true if object is data collection target
932 */
933 bool DataCollectionTarget::isDataCollectionTarget()
934 {
935 return true;
936 }
937
938 /**
939 * Add data collection element to proxy info structure
940 */
941 void DataCollectionTarget::addProxyDataCollectionElement(ProxyInfo *info, const DCObject *dco)
942 {
943 info->msg->setField(info->fieldId++, dco->getId());
944 info->msg->setField(info->fieldId++, (INT16)dco->getType());
945 info->msg->setField(info->fieldId++, (INT16)dco->getDataSource());
946 info->msg->setField(info->fieldId++, dco->getName());
947 info->msg->setField(info->fieldId++, (INT32)dco->getEffectivePollingInterval());
948 info->msg->setFieldFromTime(info->fieldId++, dco->getLastPollTime());
949 info->msg->setField(info->fieldId++, m_guid);
950 info->msg->setField(info->fieldId++, dco->getSnmpPort());
951 if (dco->getType() == DCO_TYPE_ITEM)
952 info->msg->setField(info->fieldId++, ((DCItem *)dco)->getSnmpRawValueType());
953 else
954 info->msg->setField(info->fieldId++, (INT16)0);
955 info->fieldId += 1;
956 info->count++;
957 }
958
959 /**
960 * Add SNMP target to proxy info structure
961 */
962 void DataCollectionTarget::addProxySnmpTarget(ProxyInfo *info, const Node *node)
963 {
964 info->msg->setField(info->nodeInfoFieldId++, m_guid);
965 info->msg->setField(info->nodeInfoFieldId++, node->getIpAddress());
966 info->msg->setField(info->nodeInfoFieldId++, node->getSNMPVersion());
967 info->msg->setField(info->nodeInfoFieldId++, node->getSNMPPort());
968 SNMP_SecurityContext *snmpSecurity = node->getSnmpSecurityContext();
969 info->msg->setField(info->nodeInfoFieldId++, (INT16)snmpSecurity->getAuthMethod());
970 info->msg->setField(info->nodeInfoFieldId++, (INT16)snmpSecurity->getPrivMethod());
971 info->msg->setFieldFromMBString(info->nodeInfoFieldId++, snmpSecurity->getUser());
972 info->msg->setFieldFromMBString(info->nodeInfoFieldId++, snmpSecurity->getAuthPassword());
973 info->msg->setFieldFromMBString(info->nodeInfoFieldId++, snmpSecurity->getPrivPassword());
974 delete snmpSecurity;
975 info->nodeInfoFieldId += 41;
976 info->nodeInfoCount++;
977 }
978
979 /**
980 * Collect info for SNMP proxy and DCI source (proxy) nodes
981 * Default implementation adds only agent based DCIs with source node set to requesting node
982 */
983 void DataCollectionTarget::collectProxyInfo(ProxyInfo *info)
984 {
985 lockDciAccess(false);
986 for(int i = 0; i < m_dcObjects->size(); i++)
987 {
988 DCObject *dco = m_dcObjects->get(i);
989 if (dco->getStatus() == ITEM_STATUS_DISABLED)
990 continue;
991
992 if ((dco->getDataSource() == DS_NATIVE_AGENT) && (dco->getSourceNode() == info->proxyId) &&
993 dco->hasValue() && (dco->getAgentCacheMode() == AGENT_CACHE_ON))
994 {
995 addProxyDataCollectionElement(info, dco);
996 }
997 }
998 unlockDciAccess();
999 }
1000
1001 /**
1002 * Callback for colecting proxied SNMP DCIs
1003 */
1004 void DataCollectionTarget::collectProxyInfoCallback(NetObj *object, void *data)
1005 {
1006 ((DataCollectionTarget *)object)->collectProxyInfo((ProxyInfo *)data);
1007 }
1008
1009 /**
1010 * Get effective source node for given data collection object
1011 */
1012 UINT32 DataCollectionTarget::getEffectiveSourceNode(DCObject *dco)
1013 {
1014 return dco->getSourceNode();
1015 }