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/*
Copyright (c) 2007-2012 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 _GLUSTERFS3_H
#define _GLUSTERFS3_H
#include <sys/uio.h>
#include "xdr-generic.h"
#include "glusterfs3-xdr.h"
#include "iatt.h"
#define xdr_decoded_remaining_addr(xdr) ((&xdr)->x_private)
#define xdr_decoded_remaining_len(xdr) ((&xdr)->x_handy)
#define xdr_encoded_length(xdr) (((size_t)(&xdr)->x_private) - ((size_t)(&xdr)->x_base))
#define xdr_decoded_length(xdr) (((size_t)(&xdr)->x_private) - ((size_t)(&xdr)->x_base))
#define GF_O_ACCMODE 003
#define GF_O_RDONLY 00
#define GF_O_WRONLY 01
#define GF_O_RDWR 02
#define GF_O_CREAT 0100
#define GF_O_EXCL 0200
#define GF_O_NOCTTY 0400
#define GF_O_TRUNC 01000
#define GF_O_APPEND 02000
#define GF_O_NONBLOCK 04000
#define GF_O_SYNC 010000
#define GF_O_ASYNC 020000
#define GF_O_DIRECT 040000
#define GF_O_DIRECTORY 0200000
#define GF_O_NOFOLLOW 0400000
#define GF_O_NOATIME 01000000
#define GF_O_CLOEXEC 02000000
#define GF_O_LARGEFILE 0100000
#define GF_O_FMODE_EXEC 040
#define XLATE_BIT(from, to, bit) do { \
if (from & bit) \
to = to | GF_##bit; \
} while (0)
#define UNXLATE_BIT(from, to, bit) do { \
if (from & GF_##bit) \
to = to | bit; \
} while (0)
#define XLATE_ACCESSMODE(from, to) do { \
switch (from & O_ACCMODE) { \
case O_RDONLY: to |= GF_O_RDONLY; \
break; \
case O_WRONLY: to |= GF_O_WRONLY; \
break; \
case O_RDWR: to |= GF_O_RDWR; \
break; \
} \
} while (0)
#define UNXLATE_ACCESSMODE(from, to) do { \
switch (from & GF_O_ACCMODE) { \
case GF_O_RDONLY: to |= O_RDONLY; \
break; \
case GF_O_WRONLY: to |= O_WRONLY; \
break; \
case GF_O_RDWR: to |= O_RDWR; \
break; \
} \
} while (0)
static inline uint32_t
gf_flags_from_flags (uint32_t flags)
{
uint32_t gf_flags = 0;
XLATE_ACCESSMODE (flags, gf_flags);
XLATE_BIT (flags, gf_flags, O_CREAT);
XLATE_BIT (flags, gf_flags, O_EXCL);
XLATE_BIT (flags, gf_flags, O_NOCTTY);
XLATE_BIT (flags, gf_flags, O_TRUNC);
XLATE_BIT (flags, gf_flags, O_APPEND);
XLATE_BIT (flags, gf_flags, O_NONBLOCK);
XLATE_BIT (flags, gf_flags, O_SYNC);
XLATE_BIT (flags, gf_flags, O_ASYNC);
XLATE_BIT (flags, gf_flags, O_DIRECT);
XLATE_BIT (flags, gf_flags, O_DIRECTORY);
XLATE_BIT (flags, gf_flags, O_NOFOLLOW);
#ifdef O_NOATIME
XLATE_BIT (flags, gf_flags, O_NOATIME);
#endif
#ifdef O_CLOEXEC
XLATE_BIT (flags, gf_flags, O_CLOEXEC);
#endif
XLATE_BIT (flags, gf_flags, O_LARGEFILE);
XLATE_BIT (flags, gf_flags, O_FMODE_EXEC);
return gf_flags;
}
static inline uint32_t
gf_flags_to_flags (uint32_t gf_flags)
{
uint32_t flags = 0;
UNXLATE_ACCESSMODE (gf_flags, flags);
UNXLATE_BIT (gf_flags, flags, O_CREAT);
UNXLATE_BIT (gf_flags, flags, O_EXCL);
UNXLATE_BIT (gf_flags, flags, O_NOCTTY);
UNXLATE_BIT (gf_flags, flags, O_TRUNC);
UNXLATE_BIT (gf_flags, flags, O_APPEND);
UNXLATE_BIT (gf_flags, flags, O_NONBLOCK);
UNXLATE_BIT (gf_flags, flags, O_SYNC);
UNXLATE_BIT (gf_flags, flags, O_ASYNC);
UNXLATE_BIT (gf_flags, flags, O_DIRECT);
UNXLATE_BIT (gf_flags, flags, O_DIRECTORY);
UNXLATE_BIT (gf_flags, flags, O_NOFOLLOW);
#ifdef O_NOATIME
UNXLATE_BIT (gf_flags, flags, O_NOATIME);
#endif
#ifdef O_CLOEXEC
UNXLATE_BIT (gf_flags, flags, O_CLOEXEC);
#endif
UNXLATE_BIT (gf_flags, flags, O_LARGEFILE);
UNXLATE_BIT (gf_flags, flags, O_FMODE_EXEC);
return flags;
}
static inline void
gf_statfs_to_statfs (struct gf_statfs *gf_stat, struct statvfs *stat)
{
if (!stat || !gf_stat)
return;
stat->f_bsize = (gf_stat->bsize);
stat->f_frsize = (gf_stat->frsize);
stat->f_blocks = (gf_stat->blocks);
stat->f_bfree = (gf_stat->bfree);
stat->f_bavail = (gf_stat->bavail);
stat->f_files = (gf_stat->files);
stat->f_ffree = (gf_stat->ffree);
stat->f_favail = (gf_stat->favail);
stat->f_fsid = (gf_stat->fsid);
stat->f_flag = (gf_stat->flag);
stat->f_namemax = (gf_stat->namemax);
}
static inline void
gf_statfs_from_statfs (struct gf_statfs *gf_stat, struct statvfs *stat)
{
if (!stat || !gf_stat)
return;
gf_stat->bsize = stat->f_bsize;
gf_stat->frsize = stat->f_frsize;
gf_stat->blocks = stat->f_blocks;
gf_stat->bfree = stat->f_bfree;
gf_stat->bavail = stat->f_bavail;
gf_stat->files = stat->f_files;
gf_stat->ffree = stat->f_ffree;
gf_stat->favail = stat->f_favail;
gf_stat->fsid = stat->f_fsid;
gf_stat->flag = stat->f_flag;
gf_stat->namemax = stat->f_namemax;
}
static inline void
gf_proto_flock_to_flock (struct gf_proto_flock *gf_proto_flock, struct gf_flock *gf_flock)
{
if (!gf_flock || !gf_proto_flock)
return;
gf_flock->l_type = gf_proto_flock->type;
gf_flock->l_whence = gf_proto_flock->whence;
gf_flock->l_start = gf_proto_flock->start;
gf_flock->l_len = gf_proto_flock->len;
gf_flock->l_pid = gf_proto_flock->pid;
gf_flock->l_owner.len = gf_proto_flock->lk_owner.lk_owner_len;
if (gf_flock->l_owner.len &&
(gf_flock->l_owner.len < GF_MAX_LOCK_OWNER_LEN))
memcpy (gf_flock->l_owner.data, gf_proto_flock->lk_owner.lk_owner_val,
gf_flock->l_owner.len);
}
static inline void
gf_proto_flock_from_flock (struct gf_proto_flock *gf_proto_flock, struct gf_flock *gf_flock)
{
if (!gf_flock || !gf_proto_flock)
return;
gf_proto_flock->type = (gf_flock->l_type);
gf_proto_flock->whence = (gf_flock->l_whence);
gf_proto_flock->start = (gf_flock->l_start);
gf_proto_flock->len = (gf_flock->l_len);
gf_proto_flock->pid = (gf_flock->l_pid);
gf_proto_flock->lk_owner.lk_owner_len = gf_flock->l_owner.len;
if (gf_flock->l_owner.len)
gf_proto_flock->lk_owner.lk_owner_val = gf_flock->l_owner.data;
}
static inline void
gf_stat_to_iatt (struct gf_iatt *gf_stat, struct iatt *iatt)
{
if (!iatt || !gf_stat)
return;
memcpy (iatt->ia_gfid, gf_stat->ia_gfid, 16);
iatt->ia_ino = gf_stat->ia_ino ;
iatt->ia_dev = gf_stat->ia_dev ;
iatt->ia_type = ia_type_from_st_mode (gf_stat->mode) ;
iatt->ia_prot = ia_prot_from_st_mode (gf_stat->mode) ;
iatt->ia_nlink = gf_stat->ia_nlink ;
iatt->ia_uid = gf_stat->ia_uid ;
iatt->ia_gid = gf_stat->ia_gid ;
iatt->ia_rdev = gf_stat->ia_rdev ;
iatt->ia_size = gf_stat->ia_size ;
iatt->ia_blksize = gf_stat->ia_blksize ;
iatt->ia_blocks = gf_stat->ia_blocks ;
iatt->ia_atime = gf_stat->ia_atime ;
iatt->ia_atime_nsec = gf_stat->ia_atime_nsec ;
iatt->ia_mtime = gf_stat->ia_mtime ;
iatt->ia_mtime_nsec = gf_stat->ia_mtime_nsec ;
iatt->ia_ctime = gf_stat->ia_ctime ;
iatt->ia_ctime_nsec = gf_stat->ia_ctime_nsec ;
}
static inline void
gf_stat_from_iatt (struct gf_iatt *gf_stat, struct iatt *iatt)
{
if (!iatt || !gf_stat)
return;
memcpy (gf_stat->ia_gfid, iatt->ia_gfid, 16);
gf_stat->ia_ino = iatt->ia_ino ;
gf_stat->ia_dev = iatt->ia_dev ;
gf_stat->mode = st_mode_from_ia (iatt->ia_prot, iatt->ia_type);
gf_stat->ia_nlink = iatt->ia_nlink ;
gf_stat->ia_uid = iatt->ia_uid ;
gf_stat->ia_gid = iatt->ia_gid ;
gf_stat->ia_rdev = iatt->ia_rdev ;
gf_stat->ia_size = iatt->ia_size ;
gf_stat->ia_blksize = iatt->ia_blksize ;
gf_stat->ia_blocks = iatt->ia_blocks ;
gf_stat->ia_atime = iatt->ia_atime ;
gf_stat->ia_atime_nsec = iatt->ia_atime_nsec ;
gf_stat->ia_mtime = iatt->ia_mtime ;
gf_stat->ia_mtime_nsec = iatt->ia_mtime_nsec ;
gf_stat->ia_ctime = iatt->ia_ctime ;
gf_stat->ia_ctime_nsec = iatt->ia_ctime_nsec ;
}
static inline void
gf_proto_cache_invalidation_from_upcall (gfs3_cbk_cache_invalidation_req *gf_c_req,
struct gf_upcall *gf_up_data)
{
struct gf_upcall_cache_invalidation *gf_c_data = NULL;
int is_cache_inval = 0;
int ret = -1;
GF_VALIDATE_OR_GOTO(THIS->name, gf_c_req, out);
GF_VALIDATE_OR_GOTO(THIS->name, gf_up_data, out);
is_cache_inval = ((gf_up_data->event_type ==
GF_UPCALL_CACHE_INVALIDATION) ? 1 : 0);
GF_VALIDATE_OR_GOTO(THIS->name, is_cache_inval, out);
gf_c_data = (struct gf_upcall_cache_invalidation *)gf_up_data->data;
GF_VALIDATE_OR_GOTO(THIS->name, gf_c_data, out);
gf_c_req->gfid = uuid_utoa (gf_up_data->gfid);
gf_c_req->event_type = gf_up_data->event_type;
gf_c_req->flags = gf_c_data->flags;
gf_c_req->expire_time_attr = gf_c_data->expire_time_attr;
out:
return;
}
static inline void
gf_proto_cache_invalidation_to_upcall (gfs3_cbk_cache_invalidation_req *gf_c_req,
struct gf_upcall *gf_up_data)
{
struct gf_upcall_cache_invalidation *gf_c_data = NULL;
int ret = -1;
GF_VALIDATE_OR_GOTO(THIS->name, gf_c_req, out);
GF_VALIDATE_OR_GOTO(THIS->name, gf_up_data, out);
gf_c_data = (struct gf_upcall_cache_invalidation *)gf_up_data->data;
GF_VALIDATE_OR_GOTO(THIS->name, gf_c_data, out);
ret = gf_uuid_parse (gf_c_req->gfid, gf_up_data->gfid);
if (ret) {
gf_log (THIS->name, GF_LOG_WARNING, "gf_uuid_parse(%s) failed",
gf_c_req->gfid);
gf_up_data->event_type = GF_UPCALL_EVENT_NULL;
return;
}
gf_up_data->event_type = gf_c_req->event_type;
gf_c_data->flags = gf_c_req->flags;
gf_c_data->expire_time_attr = gf_c_req->expire_time_attr;
out:
return;
}
#endif /* !_GLUSTERFS3_H */
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