1 files changed, 11 insertions, 0 deletions
diff --git a/src/mongo/db/repl/primary_only_service.h b/src/mongo/db/repl/primary_only_service.h
index 0d57cf96d9b..664ecd9fa11 100644
--- a/src/mongo/db/repl/primary_only_service.h
+++ b/src/mongo/db/repl/primary_only_service.h
@@ -217,6 +217,11 @@ public:
      */
     bool isRunning() const;
 
+    /**
+     * Returns the number of currently running Instances of this service.
+     */
+    size_t getNumberOfInstances();
+
 protected:
     /**
      * Constructs a new Instance object with the given initial state.
@@ -328,6 +333,12 @@ public:
      */
     PrimaryOnlyService* lookupServiceByNamespace(const NamespaceString& ns);
 
+    /**
+     * Adds a 'primaryOnlyServices' sub-obj to the 'result' BSONObjBuilder containing a count of the
+     * number of active instances for each registered service.
+     */
+    void reportServiceInfo(BSONObjBuilder* result);
+
     void onStartup(OperationContext*) final;
     void onShutdown() final;
     void onStepUpBegin(OperationContext*, long long term) final {}