#ifndef EFSW_FILEWATCHERLINUX_HPP
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#define EFSW_FILEWATCHERLINUX_HPP
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#include <efsw/FileWatcherImpl.hpp>
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#if EFSW_PLATFORM == EFSW_PLATFORM_INOTIFY
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#include <efsw/WatcherInotify.hpp>
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#include <map>
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namespace efsw
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{
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/// Implementation for Linux based on inotify.
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/// @class FileWatcherInotify
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class FileWatcherInotify : public FileWatcherImpl
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{
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public:
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/// type for a map from WatchID to WatchStruct pointer
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typedef std::map<WatchID, WatcherInotify*> WatchMap;
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FileWatcherInotify( FileWatcher * parent );
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virtual ~FileWatcherInotify();
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/// Add a directory watch
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/// On error returns WatchID with Error type.
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WatchID addWatch(const std::string& directory, FileWatchListener* watcher, bool recursive);
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/// Remove a directory watch. This is a brute force lazy search O(nlogn).
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void removeWatch(const std::string& directory);
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/// Remove a directory watch. This is a map lookup O(logn).
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void removeWatch(WatchID watchid);
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/// Updates the watcher. Must be called often.
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void watch();
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/// Handles the action
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void handleAction(Watcher * watch, const std::string& filename, unsigned long action, std::string oldFilename = "");
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/// @return Returns a list of the directories that are being watched
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std::list<std::string> directories();
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protected:
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/// Map of WatchID to WatchStruct pointers
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WatchMap mWatches;
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/// User added watches
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WatchMap mRealWatches;
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/// inotify file descriptor
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int mFD;
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Thread * mThread;
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Mutex mWatchesLock;
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WatchID addWatch(const std::string& directory, FileWatchListener* watcher, bool recursive, WatcherInotify * parent = NULL );
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bool pathInWatches( const std::string& path );
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private:
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void run();
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void removeWatchLocked(WatchID watchid);
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void checkForNewWatcher( Watcher* watch, std::string fpath );
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Watcher * watcherContainsDirectory( std::string dir );
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};
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}
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#endif
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#endif
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