add iot framework

main/iot/thing_manager.h

@@ -0,0 +1,41 @@
+#ifndef THING_MANAGER_H
+#define THING_MANAGER_H
+
+
+#include "thing.h"
+
+#include <cJSON.h>
+
+#include <vector>
+#include <memory>
+#include <functional>
+#include <map>
+
+namespace iot {
+
+class ThingManager {
+public:
+    static ThingManager& GetInstance() {
+        static ThingManager instance;
+        return instance;
+    }
+    ThingManager(const ThingManager&) = delete;
+    ThingManager& operator=(const ThingManager&) = delete;
+
+    void AddThing(Thing* thing);
+
+    std::string GetDescriptorsJson();
+    std::string GetStatesJson();
+    void Invoke(const cJSON* command);
+
+private:
+    ThingManager() = default;
+    ~ThingManager() = default;
+
+    std::vector<Thing*> things_;
+};
+
+
+} // namespace iot
+
+#endif // THING_MANAGER_H