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