Add API to retrieve settings
Add API to retrieve all settings objects of interest to the time
manager.
Change-Id: I3d121c08d0156cf481a3468e6c7ca9b71f53d666
Signed-off-by: Deepak Kodihalli <dkodihal@in.ibm.com>
diff --git a/settings.hpp b/settings.hpp
new file mode 100644
index 0000000..db1e5e4
--- /dev/null
+++ b/settings.hpp
@@ -0,0 +1,52 @@
+#pragma once
+
+#include <string>
+#include <sdbusplus/bus.hpp>
+
+namespace settings
+{
+
+using Path = std::string;
+using Service = std::string;
+using Interface = std::string;
+
+constexpr auto root = "/";
+constexpr auto timeOwnerIntf = "xyz.openbmc_project.Time.Owner";
+constexpr auto timeSyncIntf = "xyz.openbmc_project.Time.Synchronization";
+
+/** @class Objects
+ * @brief Fetch paths of settings D-bus objects of interest upon construction
+ */
+struct Objects
+{
+ public:
+ /** @brief Constructor - fetch settings objects
+ *
+ * @param[in] bus - The D-bus bus object
+ */
+ Objects();
+ Objects(const Objects&) = default;
+ Objects& operator=(const Objects&) = default;
+ Objects(Objects&&) = default;
+ Objects& operator=(Objects&&) = default;
+ ~Objects() = default;
+
+ /** @brief Fetch D-bus service, given a path and an interface. The
+ * service can't be cached because mapper returns unique
+ * service names.
+ *
+ * @param[in] path - The D-bus object
+ * @param[in] interface - The D-bus interface
+ *
+ * @return std::string - the D-bus service
+ */
+ Service service(const Path& path, const Interface& interface) const;
+
+ /** @brief time owner settings object */
+ Path timeOwner;
+
+ /** @brief time sync method settings object */
+ Path timeSyncMethod;
+};
+
+} // namespace settings