[ota-requestor] Switch shell commands to use the common code

config/nrfconnect/chip-module/Kconfig

@@ -34,3 +34,11 @@ config CHIP_OTA_REQUESTOR
 	imply DFU_TARGET
 	imply STREAM_FLASH
 	imply STREAM_FLASH_ERASE
+
+config CHIP_OTA_REQUESTOR_BUFFER_SIZE
+	int "OTA Requestor image buffer size"
+	default 1024
+	depends on CHIP_OTA_REQUESTOR
+	help
+	  Configures size of the buffer used by OTA Requestor when downloading and
+	  writing a new firmware image to flash.

examples/lighting-app/nrfconnect/CMakeLists.txt

@@ -78,7 +78,9 @@ target_sources(app PRIVATE
                ${GEN_DIR}/lighting-app/zap-generated/CHIPClusters.cpp
                ${GEN_DIR}/lighting-app/zap-generated/IMClusterCommandHandler.cpp
                ${NRFCONNECT_COMMON}/util/LEDWidget.cpp
-               ${NRFCONNECT_COMMON}/util/ThreadUtil.cpp)
+               ${NRFCONNECT_COMMON}/util/ThreadUtil.cpp
+               ${CHIP_ROOT}/src/app/clusters/ota-requestor/OTARequestor.cpp
+               ${CHIP_ROOT}/src/app/clusters/ota-requestor/BDXDownloader.cpp)
 
 chip_configure_data_model(app
     INCLUDE_CLIENT_CALLBACKS

examples/lighting-app/nrfconnect/main/AppTask.cpp

@@ -23,28 +23,34 @@
 #include "LEDWidget.h"
 #include "LightingManager.h"
 #include "ThreadUtil.h"
-#include <app/server/OnboardingCodesUtil.h>
-#include <app/server/Server.h>
 
 #include <app-common/zap-generated/attribute-id.h>
 #include <app-common/zap-generated/attribute-type.h>
 #include <app-common/zap-generated/cluster-id.h>
+#include <app/server/OnboardingCodesUtil.h>
+#include <app/server/Server.h>
 #include <app/util/attribute-storage.h>
-
 #include <credentials/DeviceAttestationCredsProvider.h>
 #include <credentials/examples/DeviceAttestationCredsExample.h>
-
-#include <platform/CHIPDeviceLayer.h>
-
 #include <lib/support/ErrorStr.h>
+#include <platform/CHIPDeviceLayer.h>
 #include <system/SystemClock.h>
 
+#if CONFIG_CHIP_OTA_REQUESTOR
+#include <app/clusters/ota-requestor/BDXDownloader.h>
+#include <app/clusters/ota-requestor/OTARequestor.h>
+#include <platform/nrfconnect/OTAImageProcessorImpl.h>
+#endif
+
 #include <dk_buttons_and_leds.h>
 #include <logging/log.h>
 #include <zephyr.h>
 
 LOG_MODULE_DECLARE(app);
 
+using namespace ::chip::Credentials;
+using namespace ::chip::DeviceLayer;
+
 namespace {
 
 constexpr int kFactoryResetTriggerTimeout      = 3000;
@@ -65,10 +71,20 @@ bool sIsThreadProvisioned = false;
 bool sIsThreadEnabled     = false;
 bool sHaveBLEConnections  = false;
 
-} // namespace
+#if CONFIG_CHIP_OTA_REQUESTOR
+class DummyOTARequestorDriver : public chip::OTARequestorDriver
+{
+    bool CheckImageDownloadAllowed() override { return true; }
+    chip::UserConsentAction RequestUserConsent() override { return chip::ImmediateYes; }
+    void ImageDownloadComplete() override {}
+} sOTARequestorDriver;
+
+OTAImageProcessorImpl sOTAImageProcessor;
+chip::BDXDownloader sBDXDownloader;
+chip::OTARequestor sOTARequestor;
+#endif
 
-using namespace ::chip::Credentials;
-using namespace ::chip::DeviceLayer;
+} // namespace
 
 AppTask AppTask::sAppTask;
 
@@ -119,9 +135,22 @@ int AppTask::Init()
     PlatformMgr().AddEventHandler(ChipEventHandler, 0);
 #endif
 
+    InitOTARequestor();
+
     return 0;
 }
 
+void AppTask::InitOTARequestor()
+{
+#if CONFIG_CHIP_OTA_REQUESTOR
+    sBDXDownloader.SetImageProcessorDelegate(&sOTAImageProcessor);
+    sOTARequestor.SetOtaRequestorDriver(&sOTARequestorDriver);
+    sOTARequestor.SetBDXDownloader(&sBDXDownloader);
+    sOTARequestor.SetServerInstance(&chip::Server::GetInstance());
+    chip::SetRequestorInstance(&sOTARequestor);
+#endif
+}
+
 int AppTask::StartApp()
 {
     int ret = Init();

examples/lighting-app/nrfconnect/main/include/AppTask.h

@@ -52,6 +52,7 @@ class AppTask
 
     friend AppTask & GetAppTask(void);
     int Init();
+    void InitOTARequestor();
 
     static void ActionInitiated(LightingManager::Action_t aAction, int32_t aActor);
     static void ActionCompleted(LightingManager::Action_t aAction, int32_t aActor);

src/app/clusters/ota-requestor/ClusterInterface.cpp

@@ -20,6 +20,7 @@
  * to the OTA Requestor object that handles them
  */
 
+#include <app/util/af.h>
 #include <platform/OTARequestorInterface.h>
 
 // OTA Software Update Requestor Cluster AnnounceOtaProvider Command callback

src/app/clusters/ota-requestor/OTARequestor.cpp

@@ -334,7 +334,7 @@ void OTARequestor::OnConnected(void * context, OperationalDeviceProxy * devicePr
     }
 }
 
-OTARequestor::OTATriggerResult OTARequestor::TriggerImmediateQuery()
+OTARequestorInterface::OTATriggerResult OTARequestor::TriggerImmediateQuery()
 {
 
     if (mProviderNodeId != kUndefinedNodeId)

src/app/clusters/ota-requestor/OTARequestor.h

@@ -48,19 +48,12 @@ class OTARequestor : public OTARequestorInterface
 
     // Application interface declarations -- start
 
-    // Return value for various trigger-type APIs
-    enum OTATriggerResult
-    {
-        kTriggerSuccessful = 0,
-        kNoProviderKnown   = 1
-    };
-
     // Application directs the Requestor to start the Image Query process
     // and download the new image if available
-    OTATriggerResult TriggerImmediateQuery();
+    OTATriggerResult TriggerImmediateQuery() override;
 
     // Send ApplyImage
-    void ApplyUpdate();
+    void ApplyUpdate() override;
 
     // A setter for the delegate class pointer
     void SetOtaRequestorDriver(OTARequestorDriver * driver) { mOtaRequestorDriver = driver; }
@@ -95,7 +88,7 @@ class OTARequestor : public OTARequestorInterface
     // Handler for the AnnounceOTAProvider command
     EmberAfStatus HandleAnnounceOTAProvider(
         app::CommandHandler * commandObj, const app::ConcreteCommandPath & commandPath,
-        const app::Clusters::OtaSoftwareUpdateRequestor::Commands::AnnounceOtaProvider::DecodableType & commandData);
+        const app::Clusters::OtaSoftwareUpdateRequestor::Commands::AnnounceOtaProvider::DecodableType & commandData) override;
 
     // Virtual functions from OTARequestorInterface -- end
     /**
@@ -120,7 +113,7 @@ class OTARequestor : public OTARequestorInterface
      * Called to indicate test mode. This is when the Requestor is used as a test tool and the the provider parameters are supplied
      * explicitly.
      */
-    void TestModeSetProviderParameters(NodeId nodeId, FabricIndex fabIndex, EndpointId endpointId)
+    void TestModeSetProviderParameters(NodeId nodeId, FabricIndex fabIndex, EndpointId endpointId) override
     {
         mProviderNodeId      = nodeId;
         mProviderFabricIndex = fabIndex;

src/include/platform/OTARequestorInterface.h

@@ -23,8 +23,7 @@
 
 #include <app-common/zap-generated/cluster-objects.h>
 #include <app/CommandHandler.h>
-
-#include <app/util/util.h>
+#include <app/util/af-enums.h>
 
 #pragma once
 
@@ -35,6 +34,13 @@ namespace chip {
 class OTARequestorInterface
 {
 public:
+    // Return value for various trigger-type APIs
+    enum OTATriggerResult
+    {
+        kTriggerSuccessful = 0,
+        kNoProviderKnown   = 1
+    };
+
     // Handler for the AnnounceOTAProvider command
     virtual EmberAfStatus HandleAnnounceOTAProvider(
         chip::app::CommandHandler * commandObj, const chip::app::ConcreteCommandPath & commandPath,
@@ -48,6 +54,15 @@ class OTARequestorInterface
 
     // Destructor
     virtual ~OTARequestorInterface() = default;
+
+    // Send QueryImage command
+    virtual OTATriggerResult TriggerImmediateQuery() = 0;
+
+    // Send ApplyImage command
+    virtual void ApplyUpdate() = 0;
+
+    // Manually set OTA Provider parameters
+    virtual void TestModeSetProviderParameters(NodeId nodeId, FabricIndex fabIndex, EndpointId endpointId) = 0;
 };
 
 // The instance of the class implementing OTARequestorInterface must be managed through

src/lib/shell/commands/BUILD.gn

@@ -54,16 +54,6 @@ source_set("commands") {
   if (chip_enable_ota_requestor && chip_device_platform != "none") {
     sources += [ "Ota.cpp" ]
     configs += [ "${chip_root}/src/controller:config" ]
-
-    if (chip_device_platform == "nrfconnect") {
-      sources += [ "DFUManager_nrfconnect.h" ]
-    }
-    if (chip_device_platform == "esp32") {
-      sources += [
-        "DFUManager_esp32.h",
-        "OTAUpdater_esp32.h",
-      ]
-    }
   }
 
   if (chip_device_platform != "none") {