+static enum lttng_error_code lttng_rate_policy_once_after_n_mi_serialize(
+ const struct lttng_rate_policy *rate_policy,
+ struct mi_writer *writer)
+{
+ int ret;
+ enum lttng_error_code ret_code;
+ const struct lttng_rate_policy_once_after_n *once_after_n_policy = NULL;
+
+ assert(rate_policy);
+ assert(IS_ONCE_AFTER_N_RATE_POLICY(rate_policy));
+ assert(writer);
+
+ once_after_n_policy = rate_policy_once_after_n_from_rate_policy_const(
+ rate_policy);
+
+ /* Open rate_policy_once_after_n. */
+ ret = mi_lttng_writer_open_element(
+ writer, mi_lttng_element_rate_policy_once_after_n);
+ if (ret) {
+ goto mi_error;
+ }
+
+ /* Threshold. */
+ ret = mi_lttng_writer_write_element_unsigned_int(writer,
+ mi_lttng_element_rate_policy_once_after_n_threshold,
+ once_after_n_policy->threshold);
+ if (ret) {
+ goto mi_error;
+ }
+
+ /* Close rate_policy_once_after_n element. */
+ ret = mi_lttng_writer_close_element(writer);
+ if (ret) {
+ goto mi_error;
+ }
+
+ ret_code = LTTNG_OK;
+ goto end;
+
+mi_error:
+ ret_code = LTTNG_ERR_MI_IO_FAIL;
+end:
+ return ret_code;
+}
+