Import of the watch repository from Pebble

src/fw/comm/ble/gap_le_device_name.c

@@ -0,0 +1,77 @@
+/*
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "gap_le_device_name.h"
+#include "bluetooth/gap_le_device_name.h"
+
+#include "comm/bt_lock.h"
+#include "kernel/events.h"
+#include "kernel/pbl_malloc.h"
+#include "services/common/bluetooth/bluetooth_persistent_storage.h"
+
+BTBondingID prv_get_bonding_id_and_name_from_address_safe(void *ctx, char* device_name) {
+  BTBondingID bonding_id = BT_BONDING_ID_INVALID;
+  BTDeviceAddress *addr = (BTDeviceAddress *)ctx;
+  GAPLEConnection *connection = gap_le_connection_by_addr(addr);
+
+  bt_lock();
+  if (!gap_le_connection_is_valid(connection)) {
+    goto unlock;
+  }
+
+  bonding_id = connection->bonding_id;
+
+  if (device_name) {
+    strncpy(device_name, connection->device_name, BT_DEVICE_NAME_BUFFER_SIZE);
+    device_name[BT_DEVICE_NAME_BUFFER_SIZE - 1] = '\0';
+  }
+
+unlock:
+  bt_unlock();
+  return bonding_id;
+}
+
+void bt_driver_store_device_name_kernelbg_cb(void *ctx) {
+  char device_name[BT_DEVICE_NAME_BUFFER_SIZE];
+  BTBondingID bonding_id = prv_get_bonding_id_and_name_from_address_safe(ctx, device_name);
+  kernel_free(ctx);
+
+  if (bonding_id == BT_BONDING_ID_INVALID) {
+    return;
+  }
+
+  // Can't access flash when bt_lock() is held...
+  if (!bt_persistent_storage_update_ble_device_name(bonding_id, device_name)) {
+    return;
+  }
+
+  PebbleEvent event = {
+    .type = PEBBLE_BLE_DEVICE_NAME_UPDATED_EVENT,
+  };
+  event_put(&event);
+}
+
+void gap_le_device_name_request_all(void) {
+  bt_lock();
+  bt_driver_gap_le_device_name_request_all();
+  bt_unlock();
+}
+
+void gap_le_device_name_request(const BTDeviceInternal *address) {
+  bt_lock();
+  bt_driver_gap_le_device_name_request(address);
+  bt_unlock();
+}