New BootControlInterface implementation for Android.
This patch hides the platform-specific construction of a
BootControlInterface in a factory method shared by both Android and
Chromium OS. This also include a stub implementation for Android.
Bug: 23754584,23084776
TEST=emerge-link update_engine; `mma -i` builds these files without problem.
Change-Id: I43532e5cff1dc474453160f418ddd3c448f31938
diff --git a/boot_control_android.cc b/boot_control_android.cc
new file mode 100644
index 0000000..fa9defd
--- /dev/null
+++ b/boot_control_android.cc
@@ -0,0 +1,60 @@
+//
+// Copyright (C) 2015 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/boot_control_android.h"
+
+#include <chromeos/make_unique_ptr.h>
+
+#include "update_engine/boot_control.h"
+
+using std::string;
+
+namespace chromeos_update_engine {
+
+namespace boot_control {
+
+// Factory defined in boot_control.h.
+std::unique_ptr<BootControlInterface> CreateBootControl() {
+ return chromeos::make_unique_ptr(new BootControlAndroid());
+}
+
+} // namespace boot_control
+
+// TODO(deymo): Read the values from the libhardware HAL.
+
+unsigned int BootControlAndroid::GetNumSlots() const {
+ return 2;
+}
+
+BootControlInterface::Slot BootControlAndroid::GetCurrentSlot() const {
+ return 0;
+}
+
+bool BootControlAndroid::GetPartitionDevice(const string& partition_name,
+ unsigned int slot,
+ string* device) const {
+ return false;
+}
+
+bool BootControlAndroid::IsSlotBootable(Slot slot) const {
+ return false;
+}
+
+bool BootControlAndroid::MarkSlotUnbootable(Slot slot) {
+ return true;
+}
+
+} // namespace chromeos_update_engine