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/*
Watch code for Xen Store Daemon.
Copyright (C) 2005 Rusty Russell IBM Corporation
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 2 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, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _XENSTORED_WATCH_H
#define _XENSTORED_WATCH_H
#include "xenstored_core.h"
bool do_watch(struct connection *conn, struct buffered_data *in);
bool do_watch_ack(struct connection *conn, const char *token);
bool do_unwatch(struct connection *conn, struct buffered_data *in);
/* Is this a watch event message for this connection? */
bool is_watch_event(struct connection *conn, struct buffered_data *out);
/* Look through our watches: if any of them have an event, queue it. */
void queue_next_event(struct connection *conn);
/* Fire all watches. */
void fire_watches(struct transaction *trans, const char *node);
/* Find shortest timeout: if any, reduce tv (may already be set). */
void shortest_watch_ack_timeout(struct timeval *tv);
/* Check for watches which may have timed out. */
void check_watch_ack_timeout(void);
void dump_watches(struct connection *conn);
#endif /* _XENSTORED_WATCH_H */
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