Merge branch 'feat/openthread_dataset_changed_event_v5_2' into 'release/v5.2'

feat(openthread): Add dataset changed event and post it in state change callback(v5.2)

See merge request espressif/esp-idf!34545

Author: chshu

components/openthread/include/esp_openthread_types.h

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2021-2023 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -46,6 +46,7 @@ typedef enum {
     OPENTHREAD_EVENT_SET_DNS_SERVER,            /*!< OpenThread stack set DNS server >*/
     OPENTHREAD_EVENT_PUBLISH_MESHCOP_E,         /*!< OpenThread stack start to publish meshcop-e service >*/
     OPENTHREAD_EVENT_REMOVE_MESHCOP_E,          /*!< OpenThread stack start to remove  meshcop-e service >*/
+    OPENTHREAD_EVENT_DATASET_CHANGED,           /*!< OpenThread dataset changed >*/
 } esp_openthread_event_t;
 
 /**
@@ -63,6 +64,24 @@ typedef struct {
     otDeviceRole current_role;  /*!< Current Thread role */
 } esp_openthread_role_changed_event_t;
 
+/**
+ * @brief OpenThread dataset type
+ *
+ */
+typedef enum {
+    OPENTHREAD_ACTIVE_DATASET,  /*!< Active dataset */
+    OPENTHREAD_PENDING_DATASET, /*!< Pending dataset */
+} esp_openthread_dataset_type_t;
+
+/**
+ * @brief OpenThread dataset changed event data
+ *
+ */
+typedef struct {
+    esp_openthread_dataset_type_t type; /*!< Dataset type */
+    otOperationalDataset new_dataset;   /*!< New dataset */
+} esp_openthread_dataset_changed_event_t;
+
 /**
  * This structure represents a context for a select() based mainloop.
  *

components/openthread/src/port/esp_openthread_state.c

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -80,6 +80,21 @@ static void handle_ot_role_change(otInstance* instance)
     s_previous_role = role;
 }
 
+static void handle_ot_dataset_change(esp_openthread_dataset_type_t type, otInstance *instance)
+{
+    esp_openthread_dataset_changed_event_t event_data;
+    event_data.type = type;
+    memset(&event_data.new_dataset, 0, sizeof(event_data.new_dataset));
+    if (type == OPENTHREAD_ACTIVE_DATASET) {
+        (void)otDatasetGetActive(instance, &event_data.new_dataset);
+    } else if (type == OPENTHREAD_PENDING_DATASET) {
+        (void)otDatasetGetPending(instance, &event_data.new_dataset);
+    }
+    if (esp_event_post(OPENTHREAD_EVENT, OPENTHREAD_EVENT_DATASET_CHANGED, &event_data, sizeof(event_data), 0) != ESP_OK) {
+        ESP_LOGE(TAG, "Failed to post dataset changed event");
+    }
+}
+
 static void ot_state_change_callback(otChangedFlags changed_flags, void* ctx)
 {
     OT_UNUSED_VARIABLE(ctx);
@@ -99,6 +114,14 @@ static void ot_state_change_callback(otChangedFlags changed_flags, void* ctx)
     if (changed_flags & OT_CHANGED_THREAD_NETIF_STATE) {
         handle_ot_netif_state_change(instance);
     }
+
+    if (changed_flags & OT_CHANGED_ACTIVE_DATASET) {
+        handle_ot_dataset_change(OPENTHREAD_ACTIVE_DATASET, instance);
+    }
+
+    if (changed_flags & OT_CHANGED_PENDING_DATASET) {
+        handle_ot_dataset_change(OPENTHREAD_PENDING_DATASET, instance);
+    }
 }
 
 esp_err_t esp_openthread_state_event_init(otInstance* instance)