| /** |
| * |
| * Copyright (c) 2021 Project CHIP Authors |
| * |
| * 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. |
| */ |
| |
| #import "MTRDeviceController.h" |
| |
| #import <Foundation/Foundation.h> |
| |
| #include <controller/CHIPDeviceController.h> |
| #include <lib/core/ReferenceCounted.h> |
| #include <messaging/ExchangeMgr.h> |
| #include <transport/SessionHandle.h> |
| |
| NS_ASSUME_NONNULL_BEGIN |
| |
| // Either exchangeManager will be non-nil and session will have a value, or |
| // error will be non-nil. |
| typedef void (^MTRInternalDeviceConnectionCallback)(chip::Messaging::ExchangeManager * _Nullable exchangeManager, |
| const chip::Optional<chip::SessionHandle> & session, NSError * _Nullable error); |
| |
| /** |
| * Helper to establish or look up a CASE session and hand its session |
| * information back to the consumer. |
| */ |
| class MTRDeviceConnectionBridge : public chip::ReferenceCounted<MTRDeviceConnectionBridge> { |
| public: |
| MTRDeviceConnectionBridge(MTRInternalDeviceConnectionCallback completionHandler) |
| : mCompletionHandler(completionHandler) |
| , mOnConnected(OnConnected, this) |
| , mOnConnectFailed(OnConnectionFailure, this) |
| { |
| } |
| |
| ~MTRDeviceConnectionBridge() |
| { |
| mOnConnected.Cancel(); |
| mOnConnectFailed.Cancel(); |
| } |
| |
| /** |
| * connect must be called on the Matter queue, and will invoke the |
| * completionHandler on the Matter queue as well. |
| */ |
| CHIP_ERROR connect(chip::Controller::DeviceController * controller, chip::NodeId deviceID) |
| { |
| return controller->GetConnectedDevice(deviceID, &mOnConnected, &mOnConnectFailed); |
| } |
| |
| private: |
| MTRInternalDeviceConnectionCallback mCompletionHandler; |
| chip::Callback::Callback<chip::OnDeviceConnected> mOnConnected; |
| chip::Callback::Callback<chip::OnDeviceConnectionFailure> mOnConnectFailed; |
| |
| static void OnConnected(void * context, chip::Messaging::ExchangeManager & exchangeMgr, chip::SessionHandle & sessionHandle); |
| static void OnConnectionFailure(void * context, const chip::ScopedNodeId & peerId, CHIP_ERROR error); |
| }; |
| |
| NS_ASSUME_NONNULL_END |