Only update inventory when presence state changes

When the presence state of a fan enclosure, determined from all the
sensors part of that fan enclosure, changes then update inventory.

Change-Id: Ie80e83fa7d0200239ced7b9d2ef84664e599e8ca
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>

1 files changed, 10 insertions, 1 deletions

diff --git a/fan_enclosure.hpp b/fan_enclosure.hpp
index cd9f689..da6f7e5 100644
--- a/fan_enclosure.hpp
+++ b/fan_enclosure.hpp
@@ -12,6 +12,13 @@ namespace fan
 namespace presence
 {
 
+typedef enum presenceState
+{
+    NOT_PRESENT,
+    PRESENT,
+    UNKNOWN
+} presenceState;
+
 class FanEnclosure
 {
     using Property = std::string;
@@ -52,10 +59,12 @@ class FanEnclosure
         const std::string invPath;
         const std::string fanDesc;
         std::vector<std::unique_ptr<Sensor>> sensors;
+        presenceState presState = UNKNOWN;
 
+        presenceState getCurPresState();
         //TODO openbmc/openbmc#1299 - Move getInvService() to a utility file
         std::string getInvService();
-        ObjectMap getObjectMap();
+        ObjectMap getObjectMap(bool curPresState);
 
 };