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#ifndef EFSW_FILEWATCHEROSX_HPP
#define EFSW_FILEWATCHEROSX_HPP
#include <efsw/FileWatcherImpl.hpp>
#if EFSW_PLATFORM == EFSW_PLATFORM_KQUEUE || EFSW_PLATFORM == EFSW_PLATFORM_FSEVENTS
#include <efsw/WatcherKqueue.hpp>
namespace efsw {
/// Implementation for OSX based on kqueue.
/// @class FileWatcherKqueue
class FileWatcherKqueue : public FileWatcherImpl {
friend class WatcherKqueue;
public:
FileWatcherKqueue( FileWatcher* parent );
virtual ~FileWatcherKqueue();
/// Add a directory watch
/// On error returns WatchID with Error type.
WatchID addWatch( const std::string& directory, FileWatchListener* watcher, bool recursive,
const std::vector<WatcherOption> &options ) override;
/// Remove a directory watch. This is a brute force lazy search O(nlogn).
void removeWatch( const std::string& directory ) override;
/// Remove a directory watch. This is a map lookup O(logn).
void removeWatch( WatchID watchid ) override;
/// Updates the watcher. Must be called often.
void watch() override;
/// Handles the action
void handleAction( Watcher* watch, const std::string& filename, unsigned long action,
std::string oldFilename = "" ) override;
/// @return Returns a list of the directories that are being watched
std::vector<std::string> directories() override;
protected:
/// Map of WatchID to WatchStruct pointers
WatchMap mWatches;
/// time out data
struct timespec mTimeOut;
/// WatchID allocator
int mLastWatchID;
Thread* mThread;
Mutex mWatchesLock;
std::vector<WatchID> mRemoveList;
long mFileDescriptorCount;
bool mAddingWatcher;
bool isAddingWatcher() const;
bool pathInWatches( const std::string& path ) override;
void addFD();
void removeFD();
bool availablesFD();
private:
void run();
};
} // namespace efsw
#endif
#endif
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