Import app manager, samples and test-tools

samples/simple/wasm-apps/event_subscriber/event_subscriber.c

@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2019 Intel Corporation.  All rights reserved.
+ *
+ * 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 "wasm_app.h"
+
+void over_heat_event_handler(request_t *request)
+{
+    printf("### user over heat event handler called\n");
+
+    if (request->payload != NULL && request->fmt == FMT_ATTR_CONTAINER)
+        attr_container_dump((attr_container_t *) request->payload);
+}
+
+void on_init()
+{
+    api_subscribe_event("alert/overheat", over_heat_event_handler);
+}
+
+void on_destroy()
+{
+    /* real destroy work including killing timer and closing sensor is
+       accomplished in wasm app library version of on_destroy() */
+}