update_engine: Break UpdateEngineDaemon into their own implementations
It looks like Android and ChromeOS have completely different
implementation of the daemon. So instead of polluting the source with
USE_* flags, just break it into their own implementation files. At the
very least this allows deprecating USE_BINDER and USE_OMAHA flag
completely.
BUG=chromium:978672
TEST=unittest, cros flash two times.
Change-Id: Ia5c4f9274e275a2c1ba9334111b694514914a475
Reviewed-on: https://chromium-review.googlesource.com/1674583
Tested-by: Amin Hassani <ahassani@chromium.org>
Commit-Ready: Amin Hassani <ahassani@chromium.org>
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
Reviewed-by: Amin Hassani <ahassani@chromium.org>
diff --git a/daemon_base.h b/daemon_base.h
new file mode 100644
index 0000000..742a0ba
--- /dev/null
+++ b/daemon_base.h
@@ -0,0 +1,40 @@
+//
+// Copyright (C) 2019 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.
+//
+
+#ifndef UPDATE_ENGINE_DAEMON_BASE_H_
+#define UPDATE_ENGINE_DAEMON_BASE_H_
+
+#include <memory>
+
+#include <brillo/daemons/daemon.h>
+
+namespace chromeos_update_engine {
+
+class DaemonBase : public brillo::Daemon {
+ public:
+ DaemonBase() = default;
+ virtual ~DaemonBase() = default;
+
+ // Creates an instance of the daemon.
+ static std::unique_ptr<DaemonBase> CreateInstance();
+
+ private:
+ DISALLOW_COPY_AND_ASSIGN(DaemonBase);
+};
+
+} // namespace chromeos_update_engine
+
+#endif // UPDATE_ENGINE_DAEMON_BASE_H_