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mon_fanotify.c 2.07 KB
redmine authored
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/*
    clsync - file tree sync utility based on inotify/kqueue
    
    Copyright (C) 2013-2014 Dmitry Yu Okunev <dyokunev@ut.mephi.ru> 0x8E30679C
    
    This program 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 3 of the License, or
    (at your option) any later version.
    
    This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#if 0
redmine authored
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int fanotify_add_watch_dir(int fanotify_d, struct ctx *ctx_p, const char *const accpath) {
	return fanotify_mark(fanotify_d, FAN_MARK_ADD | FAN_MARK_DONT_FOLLOW,
		FANOTIFY_MARKMASK, AT_FDCWD, accpath);
}

redmine authored
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int fanotify_loop(int fanotify_d, ctx_t *ctx_p, indexes_t *indexes_p) {
	struct fanotify_event_metadata buf[BUFSIZ/sizeof(struct fanotify_event_metadata) + 1];
	int state = STATE_RUNNING;
	state_p = &state;

	while(state != STATE_EXIT) {
		struct fanotify_event_metadata *metadata;
		size_t len = read(fanotify_d, (void *)buf, sizeof(buf)-sizeof(*buf));
		metadata=buf;
		if(len == -1) {
			error("cannot read(%i, &metadata, sizeof(metadata)).", fanotify_d);
			return errno;
		}
		while(FAN_EVENT_OK(metadata, len)) {
			debug(2, "metadata->pid: %i; metadata->fd: %i", metadata->pid, metadata->fd);
			if (metadata->fd != FAN_NOFD) {
				if (metadata->fd >= 0) {
					char *fpath = fd2fpath_malloc(metadata->fd);
					sync_queuesync(fpath_rel, 0, ctx_p, indexes_p, QUEUE_AUTO);
					debug(2, "Event %i on \"%s\".", metadata->mask, fpath);
					free(fpath);
				}
			}
			close(metadata->fd);
			metadata = FAN_EVENT_NEXT(metadata, len);
		}
		int ret;
		if((ret=sync_idle(fanotify_d, ctx_p, indexes_p))) {
			error("got error while sync_idle().");
			return ret;
		}
	}
	return 0;
}
#endif