Provided by: libmongoc-doc_1.21.0-1build1_all 
      
    
NAME
       mongoc_apm_set_topology_opening_cb - mongoc_apm_set_topology_opening_cb()
SYNOPSIS
          typedef void (*mongoc_apm_topology_opening_cb_t) (
             const mongoc_apm_topology_opening_t *event);
          void
          mongoc_apm_set_topology_opening_cb (mongoc_apm_callbacks_t *callbacks,
                                              mongoc_apm_topology_opening_cb_t cb);
       Receive an event notification whenever the driver initializes a mongoc_topology_description_t.
PARAMETERS
       • callbacks: A mongoc_apm_callbacks_t.
       • cb:  A  function  to  call  with  a  mongoc_apm_topology_opening_t  whenever  the  driver initializes a
         mongoc_topology_description_t.
       SEE ALSO:
          Introduction to Application Performance Monitoring
AUTHOR
       MongoDB, Inc
COPYRIGHT
       2017-present, MongoDB, Inc
1.21.0                                            Feb 09, 2022             MONGOC_APM_SET_TOPOLOGY_OPENING_CB(3)