ble_mesh: Get node info with pre-configured node name

Also add a function to get the entry of the nodes table.

Closes https://github.com/espressif/esp-idf/issues/5397

components/bt/esp_ble_mesh/api/core/esp_ble_mesh_networking_api.c

@@ -334,6 +334,25 @@ esp_ble_mesh_node_t *esp_ble_mesh_provisioner_get_node_with_addr(uint16_t unicas
     return btc_ble_mesh_provisioner_get_node_with_addr(unicast_addr);
 }
 
+esp_ble_mesh_node_t *esp_ble_mesh_provisioner_get_node_with_name(const char *name)
+{
+    if (!name || (strlen(name) > ESP_BLE_MESH_NODE_NAME_MAX_LEN)) {
+        return NULL;
+    }
+
+    return btc_ble_mesh_provisioner_get_node_with_name(name);
+}
+
+uint16_t esp_ble_mesh_provisioner_get_prov_node_count(void)
+{
+    return btc_ble_mesh_provisioner_get_prov_node_count();
+}
+
+const esp_ble_mesh_node_t **esp_ble_mesh_provisioner_get_node_table_entry(void)
+{
+    return btc_ble_mesh_provisioner_get_node_table_entry();
+}
+
 esp_err_t esp_ble_mesh_provisioner_delete_node_with_uuid(const uint8_t uuid[16])
 {
     btc_ble_mesh_prov_args_t arg = {0};
@@ -501,12 +520,6 @@ const uint8_t *esp_ble_mesh_provisioner_get_local_net_key(uint16_t net_idx)
 {
     return bt_mesh_provisioner_local_net_key_get(net_idx);
 }
-
-uint16_t esp_ble_mesh_provisioner_get_prov_node_count(void)
-{
-    return btc_ble_mesh_provisioner_get_prov_node_count();
-}
-
 #endif /* CONFIG_BLE_MESH_PROVISIONER */
 
 #if (CONFIG_BLE_MESH_FAST_PROV)

components/bt/esp_ble_mesh/api/core/include/esp_ble_mesh_networking_api.h

@@ -250,6 +250,48 @@ esp_ble_mesh_node_t *esp_ble_mesh_provisioner_get_node_with_uuid(const uint8_t u
  */
 esp_ble_mesh_node_t *esp_ble_mesh_provisioner_get_node_with_addr(uint16_t unicast_addr);
 
+/**
+ * @brief        This function is called to get the provisioned node information
+ *               with the node name.
+ *
+ * @param[in]    name: Name of the node (end by '\0').
+ *
+ * @return       Pointer of the node info struct or NULL on failure.
+ *
+ */
+esp_ble_mesh_node_t *esp_ble_mesh_provisioner_get_node_with_name(const char *name);
+
+/**
+ * @brief         This function is called by Provisioner to get provisioned node count.
+ *
+ * @return        Number of the provisioned nodes.
+ *
+ */
+uint16_t esp_ble_mesh_provisioner_get_prov_node_count(void);
+
+/**
+ * @brief         This function is called by Provisioner to get the entry of the node table.
+ *
+ * @note          After invoking the function to get the entry of nodes, users can use the "for"
+ *                loop combined with the macro CONFIG_BLE_MESH_MAX_PROV_NODES to get each node's
+ *                information. Before trying to read the node's information, users need to check
+ *                if the node exists, i.e. if the *(esp_ble_mesh_node_t **node) is NULL.
+ *                For example:
+ *                ```
+ *                const esp_ble_mesh_node_t **entry = esp_ble_mesh_provisioner_get_node_table_entry();
+ *                for (int i = 0; i < CONFIG_BLE_MESH_MAX_PROV_NODES; i++) {
+ *                    const esp_ble_mesh_node_t *node = entry[i];
+ *                    if (node) {
+ *                        ......
+ *                    }
+ *                }
+ *                ```
+ *
+ * @return        Pointer to the start of the node table.
+ *
+ */
+const esp_ble_mesh_node_t **esp_ble_mesh_provisioner_get_node_table_entry(void);
+
 /**
  * @brief        This function is called to delete the provisioned node information
  *               with the node device uuid.
@@ -366,14 +408,6 @@ esp_err_t esp_ble_mesh_provisioner_update_local_net_key(const uint8_t net_key[16
  */
 const uint8_t *esp_ble_mesh_provisioner_get_local_net_key(uint16_t net_idx);
 
-/**
- * @brief         This function is called by Provisioner to get provisioned node count.
- *
- * @return        Number of the provisioned nodes.
- *
- */
-uint16_t esp_ble_mesh_provisioner_get_prov_node_count(void);
-
 /**
  * @brief         This function is called to get fast provisioning application key.
  *

components/bt/esp_ble_mesh/btc/btc_ble_mesh_prov.c

@@ -782,6 +782,20 @@ esp_ble_mesh_node_t *btc_ble_mesh_provisioner_get_node_with_addr(uint16_t unicas
     return (esp_ble_mesh_node_t *)bt_mesh_provisioner_get_node_with_addr(unicast_addr);
 }
 
+esp_ble_mesh_node_t *btc_ble_mesh_provisioner_get_node_with_name(const char *name)
+{
+    return (esp_ble_mesh_node_t *)bt_mesh_provisioner_get_node_with_name(name);
+}
+
+u16_t btc_ble_mesh_provisioner_get_prov_node_count(void)
+{
+    return bt_mesh_provisioner_get_node_count();
+}
+
+const esp_ble_mesh_node_t **btc_ble_mesh_provisioner_get_node_table_entry(void)
+{
+    return (const esp_ble_mesh_node_t **)bt_mesh_provisioner_get_node_table_entry();
+}
 #endif /* CONFIG_BLE_MESH_PROVISIONER */
 
 static void btc_ble_mesh_heartbeat_msg_recv_cb(u8_t hops, u16_t feature)
@@ -991,11 +1005,6 @@ const esp_ble_mesh_comp_t *btc_ble_mesh_comp_get(void)
     return (const esp_ble_mesh_comp_t *)bt_mesh_comp_get();
 }
 
-u16_t btc_ble_mesh_provisioner_get_prov_node_count(void)
-{
-    return bt_mesh_provisioner_get_node_count();
-}
-
 /* Configuration Models */
 extern const struct bt_mesh_model_op bt_mesh_cfg_srv_op[];
 extern const struct bt_mesh_model_op bt_mesh_cfg_cli_op[];

components/bt/esp_ble_mesh/btc/include/btc_ble_mesh_prov.h

@@ -298,6 +298,12 @@ esp_ble_mesh_node_t *btc_ble_mesh_provisioner_get_node_with_uuid(const uint8_t u
 
 esp_ble_mesh_node_t *btc_ble_mesh_provisioner_get_node_with_addr(uint16_t unicast_addr);
 
+esp_ble_mesh_node_t *btc_ble_mesh_provisioner_get_node_with_name(const char *name);
+
+u16_t btc_ble_mesh_provisioner_get_prov_node_count(void);
+
+const esp_ble_mesh_node_t **btc_ble_mesh_provisioner_get_node_table_entry(void);
+
 int btc_ble_mesh_client_model_init(esp_ble_mesh_model_t *model);
 
 int btc_ble_mesh_client_model_deinit(esp_ble_mesh_model_t *model);
@@ -320,8 +326,6 @@ esp_ble_mesh_model_t *btc_ble_mesh_model_find(const esp_ble_mesh_elem_t *elem,
 
 const esp_ble_mesh_comp_t *btc_ble_mesh_comp_get(void);
 
-u16_t btc_ble_mesh_provisioner_get_prov_node_count(void);
-
 void btc_ble_mesh_model_call_handler(btc_msg_t *msg);
 void btc_ble_mesh_model_cb_handler(btc_msg_t *msg);
 

components/bt/esp_ble_mesh/mesh_core/provisioner_main.c

@@ -550,57 +550,57 @@ int bt_mesh_provisioner_delete_node_with_dev_addr(const bt_mesh_addr_t *addr)
     return -ENODEV;
 }
 
-static int provisioner_check_node_index(u16_t index)
+static struct bt_mesh_node **provisioner_find_node_with_name(const char *name)
 {
-    BT_DBG("%s", __func__);
-
-    if (index >= ARRAY_SIZE(mesh_nodes)) {
-        BT_ERR("%s, Too big node index %d", __func__, index);
-        return -EINVAL;
-    }
-
-    if (mesh_nodes[index] == NULL) {
-        BT_ERR("%s, Node not exists, index %d", __func__, index);
-        return -ENODEV;
-    }
-
-    return 0;
-}
-
-int bt_mesh_provisioner_set_node_name(u16_t index, const char *name)
-{
-    size_t length = 0U, name_len = 0U;
+    size_t length = 0U;
     int i;
 
-    BT_DBG("%s", __func__);
+    BT_DBG("node name %s", name);
 
-    if (!name) {
-        BT_ERR("%s, Invalid parameter", __func__);
-        return -EINVAL;
-    }
+    length = MIN(strlen(name), BLE_MESH_NODE_NAME_SIZE);
 
-    if (provisioner_check_node_index(index)) {
-        return -EINVAL;
-    }
+    bt_mesh_provisioner_lock();
 
-    BT_DBG("len %d, name %s", strlen(name), name);
-
-    length = (strlen(name) <= BLE_MESH_NODE_NAME_SIZE) ? strlen(name) : BLE_MESH_NODE_NAME_SIZE;
     for (i = 0; i < ARRAY_SIZE(mesh_nodes); i++) {
         if (mesh_nodes[i]) {
-            name_len = strlen(mesh_nodes[i]->name);
-            if (length != name_len) {
+            if (strlen(mesh_nodes[i]->name) != length) {
                 continue;
             }
             if (!strncmp(mesh_nodes[i]->name, name, length)) {
-                BT_WARN("Node name %s exists", name);
-                return -EEXIST;
+                bt_mesh_provisioner_unlock();
+                return &mesh_nodes[i];
             }
         }
     }
 
+    bt_mesh_provisioner_unlock();
+    return NULL;
+}
+
+int bt_mesh_provisioner_set_node_name(u16_t index, const char *name)
+{
+    if (index >= ARRAY_SIZE(mesh_nodes)) {
+        BT_ERR("Invalid node index %d", index);
+        return -EINVAL;
+    }
+
+    if (mesh_nodes[index] == NULL) {
+        BT_ERR("Node not exists, index %d", index);
+        return -EINVAL;
+    }
+
+    if (name == NULL) {
+        BT_ERR("Invalid node name");
+        return -EINVAL;
+    }
+
+    if (provisioner_find_node_with_name(name)) {
+        BT_WARN("Node name \"%s\" already exists", name);
+        return -EEXIST;
+    }
+
     memset(mesh_nodes[index]->name, 0, sizeof(mesh_nodes[index]->name));
-    strncpy(mesh_nodes[index]->name, name, length);
+    strncpy(mesh_nodes[index]->name, name, BLE_MESH_NODE_NAME_SIZE);
 
     if (IS_ENABLED(CONFIG_BLE_MESH_SETTINGS)) {
         bt_mesh_store_node_name(mesh_nodes[index]);
@@ -611,9 +611,13 @@ int bt_mesh_provisioner_set_node_name(u16_t index, const char *name)
 
 const char *bt_mesh_provisioner_get_node_name(u16_t index)
 {
-    BT_DBG("%s", __func__);
+    if (index >= ARRAY_SIZE(mesh_nodes)) {
+        BT_ERR("Invalid node index %d", index);
+        return NULL;
+    }
 
-    if (provisioner_check_node_index(index)) {
+    if (mesh_nodes[index] == NULL) {
+        BT_ERR("Node not exists, index %d", index);
         return NULL;
     }
 
@@ -622,31 +626,43 @@ const char *bt_mesh_provisioner_get_node_name(u16_t index)
 
 u16_t bt_mesh_provisioner_get_node_index(const char *name)
 {
-    size_t length = 0U, name_len = 0U;
-    int i;
+    struct bt_mesh_node **node = NULL;
 
-    BT_DBG("%s", __func__);
-
-    if (!name) {
-        BT_ERR("%s, Invalid parameter", __func__);
+    if (name == NULL) {
+        BT_ERR("Invalid node name");
         return BLE_MESH_INVALID_NODE_INDEX;
     }
 
-    length = (strlen(name) <= BLE_MESH_NODE_NAME_SIZE) ? strlen(name) : BLE_MESH_NODE_NAME_SIZE;
-    for (i = 0; i < ARRAY_SIZE(mesh_nodes); i++) {
-        if (mesh_nodes[i]) {
-            name_len = strlen(mesh_nodes[i]->name);
-            if (length != name_len) {
-                continue;
-            }
-            if (!strncmp(mesh_nodes[i]->name, name, length)) {
-                return (u16_t)i;
-            }
-        }
+    node = provisioner_find_node_with_name(name);
+    if (node == NULL) {
+        BT_ERR("Node name \"%s\" not exists", name);
+        return BLE_MESH_INVALID_NODE_INDEX;
     }
 
-    BT_ERR("Node name %s not exists", name);
-    return BLE_MESH_INVALID_NODE_INDEX;
+    return (node - mesh_nodes);
+}
+
+struct bt_mesh_node *bt_mesh_provisioner_get_node_with_name(const char *name)
+{
+    struct bt_mesh_node **node = NULL;
+
+    if (name == NULL) {
+        BT_ERR("Invalid node name");
+        return NULL;
+    }
+
+    node = provisioner_find_node_with_name(name);
+    if (node == NULL) {
+        BT_ERR("Node name \"%s\" not exists", name);
+        return NULL;
+    }
+
+    return *node;
+}
+
+const struct bt_mesh_node **bt_mesh_provisioner_get_node_table_entry(void)
+{
+    return (const struct bt_mesh_node **)mesh_nodes;
 }
 
 #define COMP_DATA_PAGE_0_MIN_LEN    16

components/bt/esp_ble_mesh/mesh_core/provisioner_main.h

@@ -85,6 +85,10 @@ const char *bt_mesh_provisioner_get_node_name(u16_t index);
 
 u16_t bt_mesh_provisioner_get_node_index(const char *name);
 
+struct bt_mesh_node *bt_mesh_provisioner_get_node_with_name(const char *name);
+
+const struct bt_mesh_node **bt_mesh_provisioner_get_node_table_entry(void);
+
 int bt_mesh_provisioner_store_node_comp_data(u16_t addr, const u8_t *data, u16_t length);
 
 const u8_t *bt_mesh_provisioner_net_key_get(u16_t net_idx);