1 files changed, 67 insertions, 0 deletions
diff --git a/services/incremental/ServiceWrappers.cpp b/services/incremental/ServiceWrappers.cpp
new file mode 100644
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+++ b/services/incremental/ServiceWrappers.cpp
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+/*
+ * 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.
+ */
+
+#include "ServiceWrappers.h"
+
+#include <android-base/strings.h>
+#include <android-base/unique_fd.h>
+#include <binder/IServiceManager.h>
+#include <utils/String16.h>
+
+#include <string>
+#include <string_view>
+
+using namespace std::literals;
+
+namespace android::os::incremental {
+
+static constexpr auto kVoldServiceName = "vold"sv;
+static constexpr auto kIncrementalManagerName = "incremental"sv;
+
+RealServiceManager::RealServiceManager(const sp<IServiceManager>& serviceManager)
+      : mServiceManager(serviceManager) {}
+
+template <class INTERFACE>
+sp<INTERFACE> RealServiceManager::getRealService(std::string_view serviceName) const {
+    sp<IBinder> binder = mServiceManager->getService(String16(serviceName.data()));
+    if (binder == 0) {
+        return 0;
+    }
+    return interface_cast<INTERFACE>(binder);
+}
+
+std::shared_ptr<VoldServiceWrapper> RealServiceManager::getVoldService() const {
+    sp<os::IVold> vold = RealServiceManager::getRealService<os::IVold>(kVoldServiceName);
+    if (vold != 0) {
+        return std::make_shared<RealVoldService>(vold);
+    }
+    return nullptr;
+}
+
+std::shared_ptr<IncrementalManagerWrapper> RealServiceManager::getIncrementalManager() const {
+    sp<IIncrementalManager> manager =
+            RealServiceManager::getRealService<IIncrementalManager>(kIncrementalManagerName);
+    if (manager != 0) {
+        return std::make_shared<RealIncrementalManager>(manager);
+    }
+    return nullptr;
+}
+
+std::shared_ptr<IncFsWrapper> RealServiceManager::getIncFs() const {
+    return std::make_shared<RealIncFs>();
+}
+
+} // namespace android::os::incremental