update_engine: support DLC update
All DLC update related code is hide behind USE_dlc flag so platform
update never touches this new code path unless enabled later.
In CheckForUpdate, update_engine calls dlcservice to get a list of DLC
module and set 'dlc_ids_' accordingly.
BUG=chromium:900653
TEST=unittest
Change-Id: I654e37effa7c1b70b25147a027f2b16abe6bf9e1
Reviewed-on: https://chromium-review.googlesource.com/1321009
Commit-Ready: Xiaochu Liu <[email protected]>
Tested-by: Xiaochu Liu <[email protected]>
Reviewed-by: Amin Hassani <[email protected]>
diff --git a/common/dlcservice_stub.cc b/common/dlcservice_stub.cc
new file mode 100644
index 0000000..c5f9306
--- /dev/null
+++ b/common/dlcservice_stub.cc
@@ -0,0 +1,36 @@
+//
+// Copyright (C) 2018 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#include "update_engine/common/dlcservice_stub.h"
+
+#include <memory>
+
+using std::string;
+using std::vector;
+
+namespace chromeos_update_engine {
+
+std::unique_ptr<DlcServiceInterface> CreateDlcService() {
+ return std::make_unique<DlcServiceStub>();
+}
+
+bool DlcServiceStub::GetInstalled(std::vector<std::string>* dlc_module_ids) {
+ if (dlc_module_ids)
+ dlc_module_ids->clear();
+ return true;
+}
+
+} // namespace chromeos_update_engine
