| // |
| // Copyright (C) 2014 The Android Open Source Project |
| // |
| // 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. |
| // |
| |
| #ifndef SHILL_DEVICE_CLAIMER_H_ |
| #define SHILL_DEVICE_CLAIMER_H_ |
| |
| #include <memory> |
| #include <set> |
| #include <string> |
| |
| #include <base/callback.h> |
| |
| #include "shill/error.h" |
| #include "shill/rpc_service_watcher_interface.h" |
| |
| namespace shill { |
| |
| class ControlInterface; |
| class DeviceInfo; |
| |
| // Provide an abstraction for remote service to claim/release devices |
| // from/to shill. |
| class DeviceClaimer { |
| public: |
| DeviceClaimer(const std::string& service_name, |
| DeviceInfo* device_info, |
| bool default_claimer); |
| virtual ~DeviceClaimer(); |
| |
| virtual bool Claim(const std::string& device_name, Error* error); |
| virtual bool Release(const std::string& device_name, Error* error); |
| |
| // Return true if there are devices claimed by this claimer, false |
| // otherwise. |
| virtual bool DevicesClaimed(); |
| |
| // Return true if the specified device is released by this claimer, false |
| // otherwise. |
| virtual bool IsDeviceReleased(const std::string& device_name); |
| |
| const std::string& name() const { return service_name_; } |
| |
| virtual bool default_claimer() const { return default_claimer_; } |
| |
| const std::set<std::string>& claimed_device_names() const { |
| return claimed_device_names_; |
| } |
| |
| private: |
| // Watcher for monitoring the remote RPC service of the claimer. |
| std::unique_ptr<RPCServiceWatcherInterface> service_watcher_; |
| // The name of devices that have been claimed by this claimer. |
| std::set<std::string> claimed_device_names_; |
| // The name of devices that have been released by this claimer. |
| std::set<std::string> released_device_names_; |
| // Service name of the claimer. |
| std::string service_name_; |
| |
| DeviceInfo* device_info_; |
| |
| // Flag indicating if this is the default claimer. When set to true, this |
| // claimer will only be deleted when shill terminates. |
| bool default_claimer_; |
| |
| DISALLOW_COPY_AND_ASSIGN(DeviceClaimer); |
| }; |
| |
| } // namespace shill |
| |
| #endif // SHILL_DEVICE_CLAIMER_H_ |