[bouffalo lab] Advertise commissionable on last fabric removal is disabled by default (#37531)

* [bouffalo lab] Make it possible for application to implement its own fabric delegate

* Advertise commissionable on last fabric removal is disabled by default

Author: wy-hh

examples/platform/bouffalolab/common/plat/plat.h

@@ -23,6 +23,10 @@
 
 #define EXT_DISCOVERY_TIMEOUT_SECS 20
 
+#ifndef CONFIG_APP_ADVERTISE_COMMISSIONABLE_ON_LAST_FABRIC_REMOVAL
+#define CONFIG_APP_ADVERTISE_COMMISSIONABLE_ON_LAST_FABRIC_REMOVAL 0
+#endif
+
 typedef void (*app_pds_gpio_irq_handler_t)(void * arg);
 
 #ifdef __cplusplus

examples/platform/bouffalolab/common/plat/platform.cpp

@@ -178,6 +178,7 @@ void UnlockOpenThreadTask(void)
 }
 #endif
 
+#if CONFIG_APP_ADVERTISE_COMMISSIONABLE_ON_LAST_FABRIC_REMOVAL
 class AppFabricTableDelegate : public FabricTable::Delegate
 {
     void OnFabricRemoved(const FabricTable & fabricTable, FabricIndex fabricIndex)
@@ -206,6 +207,7 @@ class AppFabricTableDelegate : public FabricTable::Delegate
         }
     }
 };
+#endif
 
 CHIP_ERROR PlatformManagerImpl::PlatformInit(void)
 {
@@ -295,8 +297,10 @@ CHIP_ERROR PlatformManagerImpl::PlatformInit(void)
 
     gExampleDeviceInfoProvider.SetStorageDelegate(&chip::Server::GetInstance().GetPersistentStorage());
 
+#if CONFIG_APP_ADVERTISE_COMMISSIONABLE_ON_LAST_FABRIC_REMOVAL
     static AppFabricTableDelegate sAppFabricDelegate;
     chip::Server::GetInstance().GetFabricTable().AddFabricDelegate(&sAppFabricDelegate);
+#endif
 
     chip::DeviceLayer::PlatformMgr().UnlockChipStack();