Type Definition paho_mqtt_sys::MQTTAsync_onSuccess

type MQTTAsync_onSuccess = Option<unsafe extern "C" fn(context: *mut c_void, response: *mut MQTTAsync_successData)>;

This is a callback function. The client application must provide an implementation of this function to enable asynchronous notification of the successful completion of an API call. The function is registered with the client library by passing it as an argument in ::MQTTAsync_responseOptions.

Note: Neither MQTTAsync_create() nor MQTTAsync_destroy() should be called within this callback. @param context A pointer to the context value originally passed to ::MQTTAsync_responseOptions, which contains any application-specific context. @param response Any success data associated with the API completion.