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/*
Copyright (c) 2015, Red Hat, Inc. <http://www.redhat.com>
This file is part of GlusterFS.
This file is licensed to you under your choice of the GNU Lesser
General Public License, version 3 or any later version (LGPLv3 or
later), or the GNU General Public License, version 2 (GPLv2), in all
cases as published by the Free Software Foundation.
*/
#ifndef _UPCALL_UTILS_H
#define _UPCALL_UTILS_H
#include "iatt.h"
#include "compat-uuid.h"
#include "compat.h"
/* Used by GF_IPC_UPCALL_FEATURES in the ipc() FOP.
*
* Each feature is a bit in the uint32_t, this likely will match all the events
* from the gf_upcall_event_t enum.
*
* When the bit for GF_UPCALL_EVENT_NULL is not set, upcall is loaded, but
* disabled.
*/
#define GF_UPCALL_FEATURES "gluster.upcall.features"
typedef enum {
GF_UPCALL_EVENT_NULL = 0,
GF_UPCALL_CACHE_INVALIDATION = 1,
/* add new events to the feature mask in up_ipc() */
} gf_upcall_event_t;
struct gf_upcall {
char *client_uid;
uuid_t gfid;
uint32_t event_type;
void *data;
};
struct gf_upcall_cache_invalidation {
uint32_t flags;
uint32_t expire_time_attr;
struct iatt stat;
struct iatt p_stat; /* parent dir stat */
struct iatt oldp_stat; /* oldparent dir stat */
};
#endif /* _UPCALL_UTILS_H */
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