Add persistency for events

Persist event D-bus objects using cereal

Resolves openbmc/openbmc#2319

Change-Id: Ifa15d944fe1d1026761f65eeb647dcbdf6afdba0
Signed-off-by: Dhruvaraj Subhashchandran <dhruvaraj@in.ibm.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/src/event_entry.hpp b/src/event_entry.hpp
index e39f1e2..899e5ec 100644
--- a/src/event_entry.hpp
+++ b/src/event_entry.hpp
@@ -50,6 +50,17 @@ class Entry : public EntryIface
         this->emit_object_added();
     }
 
+    /** @brief Constructor to create an empty event object with only
+     *  timestamp, caller should make a call to emit added signal.
+     *  @param[in] path - Path to attach at.
+     *  @param[in] timestamp - timestamp when the event created.
+     */
+    Entry(const std::string& path, uint64_t eventTimestamp) :
+        EntryIface(SDBusPlus::getBus(), path.c_str(), true), objectPath(path)
+    {
+        timestamp(eventTimestamp);
+    }
+
     /** @brief Path of Object. */
     std::string objectPath;
 };