mongoc_apm_set_topology_changed_cb()#

Synopsis#

typedef void (*mongoc_apm_topology_changed_cb_t) (
   const mongoc_apm_topology_changed_t *event);

void
mongoc_apm_set_topology_changed_cb (mongoc_apm_callbacks_t *callbacks,
                                    mongoc_apm_topology_changed_cb_t cb);

Receive an event notification whenever the driver observes a change in any of the servers it is connected to or a change in the overall server topology.

Parameters#

callbacks: A mongoc_apm_callbacks_t.
cb: A function to call with a mongoc_apm_topology_changed_t whenever the driver observes a change in any of the servers it is connected to or a change in the overall server topology.