SERVER-24615 Add support for OperationContext in EgressMetadataHook

1 files changed, 6 insertions, 4 deletions

diff --git a/src/mongo/rpc/metadata.h b/src/mongo/rpc/metadata.h
index b44bdafc13e..9af7bfdfeb5 100644
--- a/src/mongo/rpc/metadata.h
+++ b/src/mongo/rpc/metadata.h
@@ -102,11 +102,13 @@ StatusWith<BSONObj> downconvertReplyMetadata(const BSONObj& commandReply,
                                              const BSONObj& replyMetadata);
 
 /**
- * A function type for writing request metadata. The function takes a pointer to a
- * BSONObjBuilder used to construct the metadata object and the server address of the
- * target of the request and returns a Status indicating if the metadata was written successfully.
+ * A function type for writing request metadata. The function takes a pointer to an optional
+ * OperationContext so metadata associated with a Client can be appended, a pointer to a
+ * BSONObjBuilder used to construct the metadata object and the server address of the target of the
+ * request and returns a Status indicating if the metadata was written successfully.
  */
-using RequestMetadataWriter = stdx::function<Status(BSONObjBuilder*, StringData)>;
+using RequestMetadataWriter =
+    stdx::function<Status(OperationContext*, BSONObjBuilder*, StringData)>;
 
 /**
  * A function type for reading reply metadata. The function takes a a reference to a