110 lines
3.1 KiB
C++
110 lines
3.1 KiB
C++
//
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// Copyright (C) 2015 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 APMANAGER_HOSTAPD_MONITOR_H_
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#define APMANAGER_HOSTAPD_MONITOR_H_
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#include <string>
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#include <base/cancelable_callback.h>
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#include <base/macros.h>
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#include <base/memory/weak_ptr.h>
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#include "apmanager/event_dispatcher.h"
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namespace shill {
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struct InputData;
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class IOHandler;
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class IOHandlerFactory;
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class Sockets;
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} // namespace shill
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namespace apmanager {
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// Class for monitoring events from hostapd control interface.
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class HostapdMonitor {
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public:
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enum Event {
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kHostapdFailed,
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kHostapdStarted,
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kStationConnected,
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kStationDisconnected,
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};
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typedef base::Callback<void(Event event, const std::string& data)>
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EventCallback;
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HostapdMonitor(const EventCallback& callback_,
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const std::string& control_interface_path,
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const std::string& network_interface_name);
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virtual ~HostapdMonitor();
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virtual void Start();
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private:
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friend class HostapdMonitorTest;
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static const char kLocalPathFormat[];
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static const char kHostapdCmdAttach[];
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static const char kHostapdRespOk[];
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static const char kHostapdEventStationConnected[];
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static const char kHostapdEventStationDisconnected[];
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static const int kHostapdCtrlIfaceCheckIntervalMs;
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static const int kHostapdCtrlIfaceCheckMaxAttempts;
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static const int kHostapdAttachTimeoutMs;
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static const int kInvalidSocket;
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// Task for checking if hostapd control interface is up or not.
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void HostapdCtrlIfaceCheckTask();
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// Attach to hostapd control interface to receive unsolicited event
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// notifications.
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void AttachToHostapd();
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void AttachTimeoutHandler();
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bool SendMessage(const char* message, size_t length);
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void ParseMessage(shill::InputData* data);
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void OnReadError(const std::string& error_msg);
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std::unique_ptr<shill::Sockets> sockets_;
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EventCallback event_callback_;
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// File path for interprocess communication with hostapd.
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std::string dest_path_;
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std::string local_path_;
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// Socket descriptor for communication with hostapd.
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int hostapd_socket_;
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base::Callback<void(shill::InputData *)> hostapd_callback_;
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std::unique_ptr<shill::IOHandler> hostapd_input_handler_;
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shill::IOHandlerFactory *io_handler_factory_;
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EventDispatcher* event_dispatcher_;
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base::WeakPtrFactory<HostapdMonitor> weak_ptr_factory_;
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int hostapd_ctrl_iface_check_count_;
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base::CancelableClosure attach_timeout_callback_;
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bool started_;
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DISALLOW_COPY_AND_ASSIGN(HostapdMonitor);
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};
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} // namespace apmanager
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#endif // APMANAGER_HOSTAPD_MONITOR_H_
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