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mongoc_apm_set_topology_changed_cb - mongoc_apm_set_topology_changed_cb()
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.
· 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.
Introduction to Application Performance Monitoring
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