| // Copyright 2016 The Vanadium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| #import "CBLog.h" |
| #import "CBUtil.h" |
| |
| void CBDispatchSync(dispatch_queue_t _Nonnull queue, dispatch_block_t _Nonnull block) { |
| if (strcmp(dispatch_queue_get_label(DISPATCH_CURRENT_QUEUE_LABEL), |
| dispatch_queue_get_label(queue)) == 0) { |
| // We're on that queue now -- if we did dispatch_sync we'd deadlock so just |
| // run it. |
| block(); |
| } else { |
| dispatch_sync(queue, block); |
| } |
| } |
| |
| @implementation CBMutableService (UsefulConstructor) |
| |
| + (CBMutableService *_Nonnull)cb_mutableService:(CBUUID *_Nonnull)uuid |
| withReadOnlyCharacteristics: |
| (NSDictionary<CBUUID *, NSData *> *_Nonnull)characteristics { |
| CBMutableService *service = [[CBMutableService alloc] initWithType:uuid primary:YES]; |
| if (characteristics.count > 0) { |
| // Create CBCharacteristics from our map |
| NSMutableArray<CBMutableCharacteristic *> *cbChars = [NSMutableArray new]; |
| for (CBUUID *uuid in characteristics) { |
| // We don't pass the data here because it would cause it to aggressively |
| // cache the data |
| // and we want to be able to change it at will. |
| CBMutableCharacteristic *c = |
| [[CBMutableCharacteristic alloc] initWithType:uuid |
| properties:CBCharacteristicPropertyRead |
| value:nil |
| permissions:CBAttributePermissionsReadable]; |
| [cbChars addObject:c]; |
| } |
| CBDebugLog(@"Adding %d characteristics to service %@", cbChars.count, uuid); |
| service.characteristics = cbChars; |
| } |
| return service; |
| } |
| |
| @end |
