upload android base code part6

android/system/chre/platform/slpi/preloaded_nanoapps.cc

@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2017 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 "chre/platform/slpi/preloaded_nanoapps.h"
+
+#include "chre/core/nanoapp.h"
+#include "chre/platform/fatal_error.h"
+#include "chre/util/macros.h"
+#include "chre/util/unique_ptr.h"
+
+namespace chre {
+
+/**
+ * Loads nanoapps that are standalone .so file (i.e. not static nanoapps), but
+ * are pre-loaded in the system image.
+ *
+ * @param eventLoop The event loop where these nanoapps should run
+ */
+void loadPreloadedNanoapps(EventLoop *eventLoop) {
+  struct PreloadedNanoappDescriptor {
+    const uint64_t appId;
+    const char *filename;
+    UniquePtr<Nanoapp> nanoapp;
+  };
+
+  // The list of nanoapps to be loaded from the filesystem of the device.
+  // TODO: allow these to be overridden by target-specific build configuration
+  static PreloadedNanoappDescriptor preloadedNanoapps[] = {
+    { 0x476f6f676c00100b, "activity.so", MakeUnique<Nanoapp>() },
+    { 0x476f6f676c001004, "geofence.so", MakeUnique<Nanoapp>() },
+    { 0x476f6f676c00100c, "wifi_offload.so", MakeUnique<Nanoapp>() },
+  };
+
+  for (size_t i = 0; i < ARRAY_SIZE(preloadedNanoapps); i++) {
+    if (preloadedNanoapps[i].nanoapp.isNull()) {
+      FATAL_ERROR("Couldn't allocate memory for preloaded nanoapp");
+    } else {
+      preloadedNanoapps[i].nanoapp->loadFromFile(preloadedNanoapps[i].appId,
+                                                 preloadedNanoapps[i].filename);
+      eventLoop->startNanoapp(preloadedNanoapps[i].nanoapp);
+    }
+  }
+}
+
+}  // namespace chre