|  |  
 |   |   
 SYNOPSISbool mongoc_topology_description_has_readable_server ( Determines if the topology has a readable server available. Servers are filtered by the given read preferences only if the driver is connected to a replica set, otherwise the read preferences are ignored. This function uses the driver's current knowledge of the state of the MongoDB server or servers it is connected to; it does no I/O and it does not block. PARAMETERS
 RETURNSTrue if there is a known server matching prefs. SEE ALSO: Introduction to Application Performance Monitoring AUTHORMongoDB, Inc COPYRIGHT2009-present, MongoDB, Inc. 
 
 |