mgmt: hawkbit: delay autohandler

Be able to delay the next run of
the hawkbit autohandler.

Signed-off-by: Fin Maaß <f.maass@vogl-electronic.com>

include/zephyr/mgmt/hawkbit.h

@@ -116,6 +116,28 @@ void hawkbit_autohandler(bool auto_reschedule);
  */
 enum hawkbit_response hawkbit_autohandler_wait(uint32_t events, k_timeout_t timeout);
 
+/**
+ * @brief Cancel the run of the hawkBit autohandler.
+ *
+ * @return a value from k_work_cancel_delayable().
+ */
+int hawkbit_autohandler_cancel(void);
+
+/**
+ * @brief Set the delay for the next run of the autohandler.
+ *
+ * @details This function will only delay the next run of the autohandler. The delay will not
+ * persist after the autohandler runs.
+ *
+ * @param timeout The delay to set.
+ * @param if_bigger If true, the delay will be set only if the new delay is bigger than the current
+ * one.
+ *
+ * @retval 0 if @a if_bigger was true and the current delay was bigger than the new one.
+ * @retval otherwise, a value from k_work_reschedule().
+ */
+int hawkbit_autohandler_set_delay(k_timeout_t timeout, bool if_bigger);
+
 /**
  * @brief The hawkBit probe verify if there is some update to be performed.
  *

subsys/mgmt/hawkbit/hawkbit.c

@@ -1513,6 +1513,24 @@ enum hawkbit_response hawkbit_autohandler_wait(uint32_t events, k_timeout_t time
 	return HAWKBIT_NO_RESPONSE;
 }
 
+int hawkbit_autohandler_cancel(void)
+{
+	return k_work_cancel_delayable(&hawkbit_work_handle);
+}
+
+int hawkbit_autohandler_set_delay(k_timeout_t timeout, bool if_bigger)
+{
+	if (!if_bigger || timeout.ticks > k_work_delayable_remaining_get(&hawkbit_work_handle)) {
+		hawkbit_autohandler_cancel();
+		LOG_INF("Setting new delay for next run: %02u:%02u:%02u",
+			(uint32_t)(timeout.ticks / CONFIG_SYS_CLOCK_TICKS_PER_SEC) / 3600,
+			(uint32_t)((timeout.ticks / CONFIG_SYS_CLOCK_TICKS_PER_SEC) % 3600) / 60,
+			(uint32_t)(timeout.ticks / CONFIG_SYS_CLOCK_TICKS_PER_SEC) % 60);
+		return k_work_reschedule(&hawkbit_work_handle, timeout);
+	}
+	return 0;
+}
+
 void hawkbit_autohandler(bool auto_reschedule)
 {
 	if (auto_reschedule) {