82 lines
2.5 KiB
C++
82 lines
2.5 KiB
C++
//
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// Copyright (C) 2014 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#ifndef SHILL_DEVICE_CLAIMER_H_
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#define SHILL_DEVICE_CLAIMER_H_
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#include <set>
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#include <string>
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#include <base/callback.h>
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#include "shill/error.h"
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#include "shill/rpc_service_watcher_interface.h"
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namespace shill {
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class ControlInterface;
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class DeviceInfo;
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// Provide an abstraction for remote service to claim/release devices
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// from/to shill.
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class DeviceClaimer {
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public:
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DeviceClaimer(const std::string& service_name,
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DeviceInfo* device_info,
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bool default_claimer);
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virtual ~DeviceClaimer();
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virtual bool Claim(const std::string& device_name, Error* error);
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virtual bool Release(const std::string& device_name, Error* error);
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// Return true if there are devices claimed by this claimer, false
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// otherwise.
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virtual bool DevicesClaimed();
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// Return true if the specified device is released by this claimer, false
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// otherwise.
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virtual bool IsDeviceReleased(const std::string& device_name);
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const std::string& name() const { return service_name_; }
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virtual bool default_claimer() const { return default_claimer_; }
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const std::set<std::string>& claimed_device_names() const {
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return claimed_device_names_;
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}
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private:
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// Watcher for monitoring the remote RPC service of the claimer.
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std::unique_ptr<RPCServiceWatcherInterface> service_watcher_;
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// The name of devices that have been claimed by this claimer.
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std::set<std::string> claimed_device_names_;
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// The name of devices that have been released by this claimer.
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std::set<std::string> released_device_names_;
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// Service name of the claimer.
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std::string service_name_;
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DeviceInfo* device_info_;
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// Flag indicating if this is the default claimer. When set to true, this
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// claimer will only be deleted when shill terminates.
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bool default_claimer_;
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DISALLOW_COPY_AND_ASSIGN(DeviceClaimer);
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};
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} // namespace shill
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#endif // SHILL_DEVICE_CLAIMER_H_
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