From 52e8c2f0f77acba53d7db600f07f4622095fffb6 Mon Sep 17 00:00:00 2001
From: chendejin <chendejin@espressif.com>
Date: Sun, 18 Feb 2024 15:41:02 +0800
Subject: [PATCH] Setup controller by storage fabric, without providing NOC
 chain

---
 src/controller/CHIPDeviceController.cpp      | 17 +++++++++++---
 src/controller/CHIPDeviceController.h        | 24 ++++++++++++++++++++
 src/controller/CHIPDeviceControllerFactory.h | 14 ++++++++++++
 3 files changed, 52 insertions(+), 3 deletions(-)

diff --git a/src/controller/CHIPDeviceController.cpp b/src/controller/CHIPDeviceController.cpp
index 57c75cd0d813ae..c88a9dfa3e7ae4 100644
--- a/src/controller/CHIPDeviceController.cpp
+++ b/src/controller/CHIPDeviceController.cpp
@@ -118,14 +118,23 @@ CHIP_ERROR DeviceController::Init(ControllerInitParams params)
     mDNSResolver.SetCommissioningDelegate(this);
     RegisterDeviceDiscoveryDelegate(params.deviceDiscoveryDelegate);
 
-    VerifyOrReturnError(params.operationalCredentialsDelegate != nullptr, CHIP_ERROR_INVALID_ARGUMENT);
-    mOperationalCredentialsDelegate = params.operationalCredentialsDelegate;
-
     mVendorId = params.controllerVendorId;
     if (params.operationalKeypair != nullptr || !params.controllerNOC.empty() || !params.controllerRCAC.empty())
     {
         ReturnErrorOnFailure(InitControllerNOCChain(params));
     }
+    else if (params.enableUseStorageFabric && params.useStorageFabricIndex != kUndefinedFabricIndex)
+    {
+        VerifyOrReturnError(params.systemState->Fabrics()->FabricCount() >= kMinValidFabricIndex, CHIP_ERROR_INVALID_ARGUMENT);
+        const FabricInfo * fabricInfo = nullptr;
+        fabricInfo                    = params.systemState->Fabrics()->FindFabricWithIndex(params.useStorageFabricIndex);
+        if (fabricInfo != nullptr)
+        {
+            // ensure the fabric is existed
+            mFabricIndex = fabricInfo->GetFabricIndex();
+            printf("useStorageFabric: %d\n", (int) mFabricIndex);
+        }
+    }
 
     mSystemState = params.systemState->Retain();
     mState       = State::Initialized;
@@ -408,6 +417,8 @@ DeviceCommissioner::DeviceCommissioner() :
 
 CHIP_ERROR DeviceCommissioner::Init(CommissionerInitParams params)
 {
+    VerifyOrReturnError(params.operationalCredentialsDelegate != nullptr, CHIP_ERROR_INVALID_ARGUMENT);
+    mOperationalCredentialsDelegate = params.operationalCredentialsDelegate;
     ReturnErrorOnFailure(DeviceController::Init(params));
 
     mPairingDelegate = params.pairingDelegate;
diff --git a/src/controller/CHIPDeviceController.h b/src/controller/CHIPDeviceController.h
index a7e6f6dac4bcb9..932a3d94d1a81d 100644
--- a/src/controller/CHIPDeviceController.h
+++ b/src/controller/CHIPDeviceController.h
@@ -141,6 +141,20 @@ struct ControllerInitParams
      */
     bool removeFromFabricTableOnShutdown = true;
 
+    /**
+     * Controls whether use the storage fabric table. If operational key pair
+     * or NOC chain are not passed, the fabric index are not available even if
+     * there is a fabric in storage. This provides a way to SetupController when
+     * the device has NOC installed and reboots, by providing a storage fabric
+     * index instead of operational key pair and NOC chain.
+     */
+    bool enableUseStorageFabric = false;
+
+    /**
+     * Use a storage fabric index to find the fabric table.
+     */
+     FabricIndex useStorageFabricIndex = kUndefinedFabricIndex;
+
     chip::VendorId controllerVendorId;
 };
 
@@ -356,6 +370,16 @@ class DLL_EXPORT DeviceController : public AbstractDnssdDiscoveryController
      */
     CHIP_ERROR InitControllerNOCChain(const ControllerInitParams & params);
 
+
+    /**
+     * @brief Update the operational credentials after controller Init.
+     */
+    CHIP_ERROR UpdateControllerNOCChain(ControllerInitParams params)
+    {
+        params.systemState = mSystemState;
+        return InitControllerNOCChain(params);
+    }
+
 protected:
     enum class State
     {
diff --git a/src/controller/CHIPDeviceControllerFactory.h b/src/controller/CHIPDeviceControllerFactory.h
index 6b4aa77fdc00c8..abf66996a980f7 100644
--- a/src/controller/CHIPDeviceControllerFactory.h
+++ b/src/controller/CHIPDeviceControllerFactory.h
@@ -102,6 +102,20 @@ struct SetupParams
      */
     bool removeFromFabricTableOnShutdown = true;
 
+    /**
+     * Controls whether use the storage fabric table. If operational key pair
+     * or NOC chain are not passed, the fabric index are not available even if
+     * there is a fabric in storage. This provides a way to SetupController when
+     * the device has NOC installed and reboots, by providing a storage fabric
+     * index instead of operational key pair and NOC chain.
+     */
+    bool enableUseStorageFabric = false;
+
+    /**
+     * Use a storage fabric index to find the fabric table.
+     */
+     FabricIndex useStorageFabricIndex = kUndefinedFabricIndex;
+
     Credentials::DeviceAttestationVerifier * deviceAttestationVerifier = nullptr;
     CommissioningDelegate * defaultCommissioner                        = nullptr;
 };