use getters instead of extern

Author: sxb427

examples/chef/common/chef-rvc-mode-delegate.cpp

@@ -37,7 +37,12 @@ using ModeTagStructType = chip::app::Clusters::detail::Structs::ModeTagStruct::T
 using namespace chip::app::Clusters::RvcRunMode;
 
 static std::unique_ptr<RvcRunModeDelegate> gRvcRunModeDelegate;
-std::unique_ptr<ModeBase::Instance> gRvcRunModeInstance;
+static std::unique_ptr<ModeBase::Instance> gRvcRunModeInstance;
+
+chip::app::Clusters::ModeBase::Instance * getRvcRunModeInstance()
+{
+    return gRvcRunModeInstance.get();
+}
 
 CHIP_ERROR RvcRunModeDelegate::Init()
 {
@@ -63,15 +68,15 @@ void RvcRunModeDelegate::HandleChangeToMode(uint8_t NewMode, ModeBase::Commands:
         if (currentMode != RvcRunMode::ModeIdle)
         { // Stop existing cycle when going from cleaning/mapping to idle.
             ChipLogProgress(DeviceLayer, "Stopping RVC cycle: %d", currentMode);
-            gRvcOperationalStateDelegate->HandleStopStateCallback(err);
+            getRvcOperationalStateDelegate()->HandleStopStateCallback(err);
         }
     }
     else
     {
         if (currentMode == RvcRunMode::ModeIdle)
         { // Start a new cycle when going from idle to clening/mapping.
             ChipLogProgress(DeviceLayer, "Starting new RVC cycle: %d", NewMode);
-            gRvcOperationalStateDelegate->HandleStartStateCallback(err);
+            getRvcOperationalStateDelegate()->HandleStartStateCallback(err);
         }
     }
     if (err.IsEqual(OperationalState::GenericOperationalError(to_underlying(OperationalState::ErrorStateEnum::kNoError))))

examples/chef/common/chef-rvc-mode-delegate.h

@@ -123,7 +123,7 @@ void Shutdown();
 } // namespace chip
 
 #ifdef MATTER_DM_PLUGIN_RVC_RUN_MODE_SERVER
-extern std::unique_ptr<chip::app::Clusters::ModeBase::Instance> gRvcRunModeInstance;
+chip::app::Clusters::ModeBase::Instance * getRvcRunModeInstance();
 
 chip::Protocols::InteractionModel::Status chefRvcRunModeWriteCallback(chip::EndpointId endpoint, chip::ClusterId clusterId,
                                                                       const EmberAfAttributeMetadata * attributeMetadata,

examples/chef/common/chef-rvc-operational-state-delegate.cpp

@@ -32,9 +32,14 @@ using chip::Protocols::InteractionModel::Status;
 #include <chef-rvc-mode-delegate.h>
 #endif // MATTER_DM_PLUGIN_RVC_RUN_MODE_SERVER
 
-std::unique_ptr<RvcOperationalStateDelegate> gRvcOperationalStateDelegate;
+static std::unique_ptr<RvcOperationalStateDelegate> gRvcOperationalStateDelegate;
 static std::unique_ptr<RvcOperationalState::Instance> gRvcOperationalStateInstance;
 
+RvcOperationalStateDelegate * getRvcOperationalStateDelegate()
+{
+    return gRvcOperationalStateDelegate.get();
+}
+
 static void onOperationalStateTimerTick(System::Layer * systemLayer, void * data);
 
 DataModel::Nullable<uint32_t> RvcOperationalStateDelegate::GetCountdownTime()
@@ -234,7 +239,7 @@ static void onOperationalStateTimerTick(System::Layer * systemLayer, void * data
             gRvcOperationalStateDelegate->mCountdownTime.SetNull();
 
 #ifdef MATTER_DM_PLUGIN_RVC_RUN_MODE_SERVER
-            gRvcRunModeInstance->UpdateCurrentMode(RvcRunMode::ModeIdle);
+            getRvcRunModeInstance()->UpdateCurrentMode(RvcRunMode::ModeIdle);
 #endif // MATTER_DM_PLUGIN_RVC_RUN_MODE_SERVER
         }
     }

examples/chef/common/chef-rvc-operational-state-delegate.h

@@ -122,7 +122,7 @@ void Shutdown();
 } // namespace app
 } // namespace chip
 
-extern std::unique_ptr<chip::app::Clusters::RvcOperationalState::RvcOperationalStateDelegate> gRvcOperationalStateDelegate;
+chip::app::Clusters::RvcOperationalState::RvcOperationalStateDelegate * getRvcOperationalStateDelegate();
 
 chip::Protocols::InteractionModel::Status chefRvcOperationalStateWriteCallback(chip::EndpointId endpoint, chip::ClusterId clusterId,
                                                                                const EmberAfAttributeMetadata * attributeMetadata,