/**
* Checks if the specified piece of evidence is relevant for the supplied trustor. More
* specifically, a piece of evidence is relevant for indirect trust evaluation if:
*
* <ol>
* <li>type == {@link TrustEvidenceType#DIRECTLY_TRUSTED DIRECTLY_TRUSTED}
* <li>trustorId != evidence.subjectId, i.e. ignore trust opinions originating <i>from</i> the
* trustor
* <li>trustorId != evidence.objectId, i.e. ignore trust opinions <i>about</i> the trustor
* <li>evidence.subjectId != evidence.objectId, i.e. ignore self-referencing trust opinions
* </ol>
*
* @param trustorId
* @param evidence
* @return <code>true</code> if the specified piece of evidence is relevant for the supplied
* trustor; <code>false</code> otherwise.
*/
private boolean areRelevant(final TrustedEntityId trustorId, final ITrustEvidence evidence) {
boolean result = false;
if (TrustEvidenceType.DIRECTLY_TRUSTED == evidence.getType()
&& !trustorId.equals(evidence.getSubjectId())
&& !trustorId.equals(evidence.getObjectId())
&& !evidence.getSubjectId().equals(evidence.getObjectId())) {
result = true;
}
LOG.debug(
"areRelevant: trustorId={}, evidence={}, result={}",
new Object[] {trustorId, evidence, result});
return result;
}
/*
* @see org.societies.integration.performance.test.upper_tester.trust.indirect.ITestIndirectTrustPerformance#testEvaluateIndirectTrust(org.societies.integration.performance.test.lower_tester.PerformanceTestMgmtInfo, org.societies.integration.performance.test.upper_tester.trust.TrustEvidenceParams)
*/
@Override
public void testEvaluateIndirectTrust(
PerformanceTestMgmtInfo performanceTestMgmtInfo, TrustEvidenceParams trustEvidenceParams) {
// The following 2 lines are mandatory for the beginning of each test
this.performanceLowerTester = new PerformanceLowerTester(performanceTestMgmtInfo);
this.performanceLowerTester.testStart(this.getClass().getName(), this.getCommManager());
final Date testStart = new Date();
// Extract the Map<cssId, Set<TrustEvidence> contained in the test params.
Map<String, Set<TrustEvidence>> trustEvidenceMap = null;
try {
trustEvidenceMap = TrustEvidenceParamParser.toTrustEvidence(trustEvidenceParams);
} catch (Exception e) {
this.fail("Could not parse TrustEvidenceParams JSON String: " + e.getLocalizedMessage());
return;
}
try {
// Retrieve the IIdentity of my CSS.
final String myCssId = this.commManager.getIdManager().getCloudNode().getBareJid();
final TrustedEntityId myTeid = new TrustedEntityId(TrustedEntityType.CSS, myCssId);
// Extract TrustSimilarity Map based on the test params.
final Map<TrustedEntityId, TrustSimilarity> trustSimilarityMap =
this.extractTrustSimilarity(myTeid, trustEvidenceMap);
// The set of trust evidence to evaluate
final Set<TrustEvidence> trustEvidenceSet =
(trustEvidenceMap.get(myCssId) != null)
? trustEvidenceMap.get(myCssId)
: Collections.<TrustEvidence>emptySet();
// Start test
LOG.info(
"START testEvaluateDirectTrust: trustEvidenceSet={}, trustSimilarityMap={}",
trustEvidenceSet,
trustSimilarityMap);
final Set<TrustRelationship> result = new LinkedHashSet<TrustRelationship>();
for (final TrustEvidence trustEvidence : trustEvidenceSet) {
LOG.info("Evaluating evidence '{}'", trustEvidence);
// Create a DIRECT trust query for the entity specified in this piece of evidence
final TrustQuery trustQuery =
new TrustQuery(myTeid)
.setTrusteeId(trustEvidence.getObjectId())
.setTrustValueType(TrustValueType.DIRECT);
// Initialise count-down latch to use for verifying trust update event.
this.cdLatch = new CountDownLatch(1);
final TrustUpdateEventListener trustListener = new TrustUpdateEventListener();
// Register for trust value updates of this entity
this.internalTrustBroker.registerTrustUpdateListener(trustListener, trustQuery);
// Add evidence
this.internalTrustEvidenceCollector.addDirectEvidence(
trustEvidence.getSubjectId(),
trustEvidence.getObjectId(),
trustEvidence.getType(),
trustEvidence.getTimestamp(),
trustEvidence.getInfo());
final boolean isTrustUpdated =
this.cdLatch.await(DIRECT_EVAL_TIMEOUT, TimeUnit.MILLISECONDS);
// Unregister from trust value updates of this entity
this.internalTrustBroker.unregisterTrustUpdateListener(trustListener, trustQuery);
if (!isTrustUpdated) {
LOG.warn(
"Did not receive TrustUpdateEvent for evidence '"
+ trustEvidence
+ "' in the specified timeout: "
+ DIRECT_EVAL_TIMEOUT
+ "ms");
} else {
final TrustRelationship updatedTrustRelationship =
trustListener.getUpdatedTrustRelationship();
LOG.info("Updated trust relationship '{}'", updatedTrustRelationship);
// Verify Trust Relationships properties
if (!myTeid.equals(updatedTrustRelationship.getTrustorId())) {
this.fail(
"Expected trustorId '"
+ myTeid
+ "' but was '"
+ updatedTrustRelationship.getTrustorId()
+ "'");
return;
}
if (!trustEvidence.getObjectId().equals(updatedTrustRelationship.getTrusteeId())) {
this.fail(
"Expected trusteeId '"
+ myTeid
+ "' but was '"
+ updatedTrustRelationship.getTrusteeId()
+ "'");
return;
}
if (TrustValueType.DIRECT != updatedTrustRelationship.getTrustValueType()) {
this.fail(
"Expected trustValueType '"
+ TrustValueType.DIRECT
+ "' but was '"
+ updatedTrustRelationship.getTrustValueType()
+ "'");
return;
}
}
}
final Set<TrustedEntityId> connectionTeids = trustSimilarityMap.keySet();
for (final TrustedEntityId connectionTeid : connectionTeids) {
LOG.info("Establishing DIRECT trust relationship with connection '{}'", connectionTeid);
// Create a DIRECT trust query for the new connection
final TrustQuery trustQuery =
new TrustQuery(myTeid)
.setTrusteeId(connectionTeid)
.setTrustValueType(TrustValueType.DIRECT);
// Initialise count-down latch to use for verifying trust update event.
this.cdLatch = new CountDownLatch(1);
final TrustUpdateEventListener trustListener = new TrustUpdateEventListener();
// Register for trust value updates of this entity
this.internalTrustBroker.registerTrustUpdateListener(trustListener, trustQuery);
// Add fake evidence to establish DIRECT trust connection with connection
this.internalTrustEvidenceCollector.addDirectEvidence(
myTeid, connectionTeid, TrustEvidenceType.FRIENDED_USER, new Date(), null);
final boolean isTrustUpdated =
this.cdLatch.await(DIRECT_EVAL_TIMEOUT, TimeUnit.MILLISECONDS);
// Unregister from trust value updates of this entity
this.internalTrustBroker.unregisterTrustUpdateListener(trustListener, trustQuery);
if (!isTrustUpdated) {
LOG.warn(
"Did not receive TrustUpdateEvent for connection '"
+ connectionTeid
+ "' in the specified timeout: "
+ DIRECT_EVAL_TIMEOUT
+ "ms");
} else {
final TrustRelationship updatedTrustRelationship =
trustListener.getUpdatedTrustRelationship();
LOG.info("Updated trust relationship '{}'", updatedTrustRelationship);
// Verify Trust Relationships properties
if (!myTeid.equals(updatedTrustRelationship.getTrustorId())) {
this.fail(
"Expected trustorId '"
+ myTeid
+ "' but was '"
+ updatedTrustRelationship.getTrustorId()
+ "'");
return;
}
if (!connectionTeid.equals(updatedTrustRelationship.getTrusteeId())) {
this.fail(
"Expected trusteeId '"
+ connectionTeid
+ "' but was '"
+ updatedTrustRelationship.getTrusteeId()
+ "'");
return;
}
if (TrustValueType.DIRECT != updatedTrustRelationship.getTrustValueType()) {
this.fail(
"Expected trustValueType '"
+ TrustValueType.DIRECT
+ "' but was '"
+ updatedTrustRelationship.getTrustValueType()
+ "'");
return;
}
}
}
LOG.info("Sleeping for {}ms to allow INDIRECT trust evaluation", INDIRECT_EVAL_TIMEOUT);
Thread.sleep(INDIRECT_EVAL_TIMEOUT);
for (final Map.Entry<TrustedEntityId, TrustSimilarity> trustSimilarity :
trustSimilarityMap.entrySet()) {
for (final TrustedEntityId trusteeId : trustSimilarity.getValue().getUnsharedTrustees()) {
final ExtTrustRelationship extTrustRelationship =
this.internalTrustBroker
.retrieveExtTrustRelationship(
new TrustQuery(myTeid)
.setTrusteeId(trusteeId)
.setTrustValueType(TrustValueType.INDIRECT))
.get();
LOG.info("INDIRECT trust relationship '{}'", extTrustRelationship);
if (extTrustRelationship == null) {
this.fail("INDIRECT trust relationship with '" + trusteeId + "' not found");
return;
}
if (extTrustRelationship.getTimestamp().compareTo(testStart) < 0) {
this.fail("INDIRECT trust relationship with '" + trusteeId + "' is out-of-date");
return;
}
if (extTrustRelationship.getTrustEvidence().isEmpty()) {
this.fail("INDIRECT trust relationship with '" + trusteeId + "' contains no evidence");
return;
}
boolean foundConnection = false;
for (final TrustEvidence evidence : extTrustRelationship.getTrustEvidence()) {
if (TrustEvidenceType.DIRECTLY_TRUSTED == evidence.getType()
&& trustSimilarity.getKey().equals(evidence.getSubjectId())) {
foundConnection = true;
break;
}
}
if (!foundConnection) {
this.fail(
"INDIRECT trust relationship with '"
+ trusteeId
+ "' not associated with connection '"
+ trustSimilarity.getKey()
+ "'");
return;
}
result.add(extTrustRelationship);
}
}
// End test
LOG.info("END testEvaluateDirectTrust for params: {}", trustEvidenceSet);
this.performanceTestResult =
new PerformanceTestResult(
this.getClass().getName(),
"Updated trust relationships: " + result,
PerformanceTestResult.SUCCESS_STATUS);
this.performanceLowerTester.testFinish(this.performanceTestResult);
} catch (TrustException te) {
this.fail(te.getLocalizedMessage());
} catch (InterruptedException ie) {
this.fail("Interrupted while executing test: " + ie.getLocalizedMessage());
} catch (Exception e) {
this.fail(e.getLocalizedMessage());
}
}