mongoc_server_description_ismaster()
Synopsis
const bson_t * mongoc_server_description_ismaster (const mongoc_server_description_t *description);
Parameters
description |
Description
The client or client pool periodically runs an "isMaster" command on each server, to update its view of the MongoDB deployment. Use mongoc_client_get_server_descriptions() and mongoc_server_description_ismaster() to get the most recent "isMaster" response.
Returns
A reference to a BSON document, owned by the server description. The document is empty if the driver is not connected to the server.