1 files changed, 57 insertions, 0 deletions
diff --git a/entity_map_json.hpp b/entity_map_json.hpp
new file mode 100644
index 0000000..3ab4ff2
--- /dev/null
+++ b/entity_map_json.hpp
@@ -0,0 +1,57 @@
+#pragma once
+
+#include <ipmid/types.hpp>
+#include <memory>
+#include <nlohmann/json.hpp>
+
+namespace ipmi
+{
+namespace sensor
+{
+
+/**
+ * @brief Grab a handle to the entity map.
+ */
+const EntityInfoMap& getIpmiEntityRecords();
+
+/**
+ * @brief Open the default entity map json file, and if present and valid json,
+ * return a built entity map.
+ *
+ * @return the map
+ */
+EntityInfoMap buildEntityMapFromFile();
+
+/**
+ * @brief Given json data validate the data matches the expected format for the
+ * entity map configuration and parse the data into a map of the entities.
+ *
+ * If any entry is invalid, the entire contents passed in is disregarded as
+ * possibly corrupt.
+ *
+ * @param[in] data - the json data
+ * @return the map
+ */
+EntityInfoMap buildJsonEntityMap(const nlohmann::json& data);
+
+/**
+ * @brief Owner of the EntityInfoMap.
+ */
+class EntityInfoMapContainer
+{
+  public:
+    /** Get ahold of the owner. */
+    static EntityInfoMapContainer* getContainer();
+    /** Get ahold of the records. */
+    const EntityInfoMap& getIpmiEntityRecords();
+
+  private:
+    EntityInfoMapContainer(const EntityInfoMap& entityRecords) :
+        entityRecords(entityRecords)
+    {
+    }
+    EntityInfoMap entityRecords;
+};
+
+} // namespace sensor
+} // namespace ipmi