1 /* 2 * Copyright (c) 2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 // Implementation of client side of IPC. 17 18 #ifndef TUNNEL_CLIENT_H 19 #define TUNNEL_CLIENT_H 20 21 #include <memory> 22 23 #include "i_tunnel_client.h" 24 #include "i_intention.h" 25 26 namespace OHOS { 27 namespace Msdp { 28 namespace DeviceStatus { 29 class TunnelClient final : public ITunnelClient, public std::enable_shared_from_this<TunnelClient> { 30 public: 31 TunnelClient() = default; 32 ~TunnelClient(); 33 DISALLOW_COPY_AND_MOVE(TunnelClient); 34 35 // Request to enable the service identified by [`intention`]. 36 int32_t Enable(Intention intention, ParamBase &data, ParamBase &reply) override; 37 // Request to disable the service identified by [`intention`]. 38 int32_t Disable(Intention intention, ParamBase &data, ParamBase &reply) override; 39 // Request to start the service identified by [`intention`]. 40 int32_t Start(Intention intention, ParamBase &data, ParamBase &reply) override; 41 // Request to stop the service identified by [`intention`]. 42 int32_t Stop(Intention intention, ParamBase &data, ParamBase &reply) override; 43 // Request to add a watch of state of service, with the service identified by 44 // [`intention`], the state to watch identified by [`id`], parameters packed in 45 // [`data`] parcel. 46 int32_t AddWatch(Intention intention, uint32_t id, ParamBase &data, ParamBase &reply) override; 47 // Request to remove a watch of state of service. 48 int32_t RemoveWatch(Intention intention, uint32_t id, ParamBase &data, ParamBase &reply) override; 49 // Request to set a parameter of service, with the service identified by 50 // [`intention`], the parameter identified by [`id`], and values packed in 51 // [`data`] parcel. 52 int32_t SetParam(Intention intention, uint32_t id, ParamBase &data, ParamBase &reply) override; 53 // Request to get a parameter of service, with the service identified by 54 // [`intention`], the parameter identified by [`id`]. 55 int32_t GetParam(Intention intention, uint32_t id, ParamBase &data, ParamBase &reply) override; 56 // Request to interact with service identified by [`intention`] for general purpose. 57 // This interface supplements functions of previous intefaces. Functionalities of 58 // this interface is service spicific. 59 int32_t Control(Intention intention, uint32_t id, ParamBase &data, ParamBase &reply) override; 60 61 private: 62 class DeathRecipient : public IRemoteObject::DeathRecipient { 63 public: 64 DeathRecipient(std::shared_ptr<TunnelClient> parent); 65 ~DeathRecipient() = default; 66 void OnRemoteDied(const wptr<IRemoteObject> &remote); 67 68 private: 69 std::weak_ptr<TunnelClient> parent_; 70 }; 71 72 ErrCode Connect(); 73 void ResetProxy(const wptr<IRemoteObject> &remote); 74 75 private: 76 std::mutex mutex_; 77 sptr<IIntention> devicestatusProxy_ { nullptr }; 78 sptr<IRemoteObject::DeathRecipient> deathRecipient_ { nullptr }; 79 }; 80 } // namespace DeviceStatus 81 } // namespace Msdp 82 } // namespace OHOS 83 #endif // TUNNEL_CLIENT_H 84