mongoc_server_description_ismaster - Man Page

const bson_t *
mongoc_server_description_ismaster (
   const mongoc_server_description_t *description);

• description: A mongoc_server_description_t.

The client or client pool periodically runs a "hello" command on each server, to update its view of the MongoDB deployment. Use mongoc_client_get_server_descriptions() and mongoc_server_description_hello_response() to get the most recent "hello" response.

A reference to a BSON document, owned by the server description. The document is empty if the driver is not connected to the server.

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