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70 lines
2.0 KiB
C++
70 lines
2.0 KiB
C++
/**
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* Copyright (c) 2014 ownCloud GmbH. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or modify it under
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* the terms of the GNU Lesser General Public License as published by the Free
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* Software Foundation; version 2.1 of the License
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*
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* This library is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*/
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#ifndef PATHCHECKER_H
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#define PATHCHECKER_H
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#include <string>
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#include <vector>
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#include <unordered_map>
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#include <queue>
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#include <thread>
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#include <memory>
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#include <mutex>
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#include <atomic>
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#include <condition_variable>
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#pragma once
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class RemotePathChecker {
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public:
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enum FileState {
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// Order synced with NCOverlay
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StateError = 0,
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StateOk, StateOkSWM,
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StateSync,
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StateWarning,
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StateNone
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};
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RemotePathChecker();
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~RemotePathChecker();
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std::shared_ptr<const std::vector<std::wstring>> WatchedDirectories() const;
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bool IsMonitoredPath(const wchar_t* filePath, int* state);
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private:
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FileState _StrToFileState(const std::wstring &str);
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std::mutex _mutex;
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std::atomic<bool> _stop;
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// Everything here is protected by the _mutex
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/** The list of paths we need to query. The main thread fill this, and the worker thread
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* send that to the socket. */
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std::queue<std::wstring> _pending;
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std::unordered_map<std::wstring, FileState> _cache;
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// The vector is const since it will be accessed from multiple threads through NCOverlay::IsMemberOf.
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// Each modification needs to be made onto a copy and then atomically replaced in the shared_ptr.
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std::shared_ptr<const std::vector<std::wstring>> _watchedDirectories;
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bool _connected;
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// The main thread notifies when there are new items in _pending
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//std::condition_variable _newQueries;
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HANDLE _newQueries;
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std::thread _thread;
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void workerThreadLoop();
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};
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#endif |