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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set et sw=2 ts=2: */
/***************************************************************************
* inotify.h
*
* Wed Jan 6 09:58:47 CET 2010
* Copyright 2010 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of Pracro.
*
* Pracro is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Pracro is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Pracro; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#ifndef __PRACRO_INOTIFY_H__
#define __PRACRO_INOTIFY_H__
#include <sys/types.h>
#include <sys/inotify.h>
#include <string>
#include <map>
#include <list>
typedef enum {
WATCH_SINGLE, // Watch only the specified directory.
WATCH_DEEP, // Watch all current subdirs as well
WATCH_DEEP_FOLLOW // Watch all current subdir as well as subdirs
// being created after the watch is initiated
} depth_t;
class INotify {
public:
class Event {
public:
Event(struct inotify_event *event, std::string name);
bool isAttributeChangeEvent();
bool isCreateEvent();
bool isOpenEvent();
bool isCloseEvent();
bool isCloseWriteEvent();
bool isCloseNoWriteEvent();
bool isModifyEvent();
bool isAccessEvent();
bool isDeleteEvent();
bool isDeleteSelfEvent();
bool isIgnoredEvent();
bool isMoveSelfEvent();
bool isMovedFromEvent();
bool isMovedToEvent();
bool isDir();
std::string name();
std::string file();
uint32_t mask();
std::string maskstr();
private:
std::string _name;
std::string _file;
uint32_t _mask;
};
INotify();
~INotify();
void addFile(std::string name, uint32_t mask = IN_ALL_EVENTS);
/**
* WARNING: If a directory is added with WATCH_DEEP_FOLLOW, newly
* created folders will not be added to the watch before the next call
* to hasEvents or getNextEvent. thie means that any files created in
* that folder prior to htese calls will not be caught. This will need
* to be done mnually by a recursive scan.
*/
void addDirectory(std::string name,
depth_t depth = WATCH_SINGLE,
uint32_t mask = IN_ALL_EVENTS);
void remove(std::string name);
void remove(int fd);
bool hasEvents();
Event getNextEvent();
void clear();
private:
class Watch {
public:
std::string name;
uint32_t mask;
depth_t depth;
};
void readEvents();
int ifd;
std::map<int, Watch> dirmap;
std::list<Event> eventlist;
};
#endif/*__PRACRO_INOTIFY_H__*/
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