[lit icd] add DSLS Test Event trigger

Signed-off-by: Doru Gucea <doru-cristian.gucea@nxp.com>

Author: doru91

src/app/icd/server/ICDManager.cpp

@@ -36,6 +36,8 @@ enum class ICDTestEventTriggerEvent : uint64_t
     kInvalidateHalfCounterValues     = 0x0046'0000'00000003,
     kInvalidateAllCounterValues      = 0x0046'0000'00000004,
     kForceMaximumCheckInBackOffState = 0x0046'0000'00000005,
+    kDSLSForceSitMode                = 0x0046'0000'00000006,
+    kDSLSWithdrawSitMode             = 0x0046'0000'00000007,
 };
 } // namespace
 
@@ -712,6 +714,14 @@ CHIP_ERROR ICDManager::HandleEventTrigger(uint64_t eventTrigger)
         err = mICDCheckInBackOffStrategy->ForceMaximumCheckInBackoff();
         break;
 #endif // CHIP_CONFIG_ENABLE_ICD_CIP
+#if CHIP_CONFIG_ENABLE_ICD_DSLS
+    case ICDTestEventTriggerEvent::kDSLSForceSitMode:
+        OnSITModeRequest();
+        break;
+    case ICDTestEventTriggerEvent::kDSLSWithdrawSitMode:
+        OnSITModeRequestWithdrawal();
+        break;
+#endif // CHIP_CONFIG_ENABLE_ICD_DSLS
     default:
         err = CHIP_ERROR_INVALID_ARGUMENT;
         break;

src/app/icd/server/tests/TestICDManager.cpp

@@ -695,6 +695,64 @@ TEST_F(TestICDManager, TestICDMStayActive)
     EXPECT_EQ(stayActivePromisedMs, 20000UL);
 }
 
+#if CHIP_CONFIG_ENABLE_ICD_DSLS
+/**
+ * @brief Test verifies the logic of the ICDManager related to DSLS (Dynamic SIT LIT Support)
+ */
+TEST_F(TestICDManager, TestICDMDSLS)
+{
+    typedef ICDListener::ICDManagementEvents ICDMEvent;
+    ICDNotifier notifier = ICDNotifier::GetInstance();
+
+    // Set FeatureMap
+    // Configures CIP, UAT, LITS and DSLS to 1
+    mICDManager.SetTestFeatureMapValue(0x0F);
+
+    // Check ICDManager starts in SIT mode if no entries are present
+    EXPECT_EQ(ICDConfigurationData::GetInstance().GetICDMode(), ICDConfigurationData::ICDMode::SIT);
+
+    // Create table with one fabric
+    ICDMonitoringTable table1(testStorage, kTestFabricIndex1, kMaxTestClients, &(mKeystore));
+
+    // Add an entry to the fabric
+    ICDMonitoringEntry entry1(&(mKeystore));
+    entry1.checkInNodeID    = kClientNodeId11;
+    entry1.monitoredSubject = kClientNodeId12;
+    EXPECT_EQ(CHIP_NO_ERROR, entry1.SetKey(ByteSpan(kKeyBuffer1a)));
+    EXPECT_EQ(CHIP_NO_ERROR, table1.Set(0, entry1));
+
+    // Trigger register event after first entry was added
+    notifier.NotifyICDManagementEvent(ICDMEvent::kTableUpdated);
+
+    // Check ICDManager is now in the LIT operating mode
+    EXPECT_EQ(ICDConfigurationData::GetInstance().GetICDMode(), ICDConfigurationData::ICDMode::LIT);
+
+    // Simulate SIT Mode Request - device must switch to SIT mode even if there is a client registered
+    notifier.NotifySITModeRequestNotification();
+
+    // Check ICDManager is now in the SIT operating mode
+    EXPECT_EQ(ICDConfigurationData::GetInstance().GetICDMode(), ICDConfigurationData::ICDMode::SIT);
+
+    // Advance time so active mode interval expires.
+    AdvanceClockAndRunEventLoop(ICDConfigurationData::GetInstance().GetActiveModeDuration() + 1_ms32);
+
+    // Check ICDManager is still in the SIT operating mode
+    EXPECT_EQ(ICDConfigurationData::GetInstance().GetICDMode(), ICDConfigurationData::ICDMode::SIT);
+
+    // Withdraw SIT mode
+    notifier.NotifySITModeRequestWithdrawal();
+
+    // Check ICDManager is now in the LIT operating mode
+    EXPECT_EQ(ICDConfigurationData::GetInstance().GetICDMode(), ICDConfigurationData::ICDMode::LIT);
+
+    // Advance time so active mode interval expires.
+    AdvanceClockAndRunEventLoop(ICDConfigurationData::GetInstance().GetActiveModeDuration() + 1_ms32);
+
+    // Check ICDManager is still in the LIT operating mode
+    EXPECT_EQ(ICDConfigurationData::GetInstance().GetICDMode(), ICDConfigurationData::ICDMode::LIT);
+}
+#endif // CHIP_CONFIG_ENABLE_ICD_DSLS
+
 #if CHIP_CONFIG_ENABLE_ICD_CIP
 #if CHIP_CONFIG_PERSIST_SUBSCRIPTIONS
 #if CHIP_CONFIG_SUBSCRIPTION_TIMEOUT_RESUMPTION