SERVER-35692 Add support to an optional re-registration bool in metrics response

1 files changed, 24 insertions, 0 deletions

diff --git a/src/mongo/db/free_mon/free_mon_processor.h b/src/mongo/db/free_mon/free_mon_processor.h
index cfaf1b504ad..f16a810f5b7 100644
--- a/src/mongo/db/free_mon/free_mon_processor.h
+++ b/src/mongo/db/free_mon/free_mon_processor.h
@@ -272,6 +272,27 @@ private:
     size_t _count;
 };
 
+/**
+ * In-memory registration status
+ *
+ * Ensures primaries and secondaries register separately
+ */
+enum class FreeMonRegistrationStatus {
+    /**
+     * Free monitoring is not enabled - default state.
+     */
+    kDisabled,
+
+    /**
+     * Registration in progress.
+     */
+    kPending,
+
+    /**
+     * Free Monitoring is enabled.
+     */
+    kEnabled,
+};
 
 /**
  * Process in an Agent in a Agent/Message Passing model.
@@ -479,6 +500,9 @@ private:
     // Pending update to disk
     boost::synchronized_value<FreeMonStorageState> _state;
 
+    // In-memory registration status
+    FreeMonRegistrationStatus _registrationStatus{FreeMonRegistrationStatus::kDisabled};
+
     // Countdown launch to support manual cranking
     FreeMonCountdownLatch _countdown;