diff options
Diffstat (limited to 'xlators/protocol/legacy/lib/src/protocol.h')
| -rw-r--r-- | xlators/protocol/legacy/lib/src/protocol.h | 1119 | 
1 files changed, 1119 insertions, 0 deletions
diff --git a/xlators/protocol/legacy/lib/src/protocol.h b/xlators/protocol/legacy/lib/src/protocol.h new file mode 100644 index 00000000000..254e36e661b --- /dev/null +++ b/xlators/protocol/legacy/lib/src/protocol.h @@ -0,0 +1,1119 @@ +/* +  Copyright (c) 2006-2009 Gluster, Inc. <http://www.gluster.com> +  This file is part of GlusterFS. + +  GlusterFS 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. + +  GlusterFS 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/>. +*/ + +#ifndef _PROTOCOL_H +#define _PROTOCOL_H + +#ifndef _CONFIG_H +#define _CONFIG_H +#include "config.h" +#endif + +#include <inttypes.h> +#include <sys/time.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/statvfs.h> +#include <unistd.h> +#include <fcntl.h> + +#include "byte-order.h" +#include "iatt.h" + +/* Any changes in the protocol structure or adding new '[f,m]ops' needs to  + * bump the protocol version by "0.1"  + */ + +#define GF_PROTOCOL_VERSION "3.0" + +extern char *gf_mop_list[]; +extern char *gf_cbk_list[]; + +/* NOTE: add members ONLY at the end (just before _MAXVALUE) */ +typedef enum { +        GF_PROTO_FOP_STAT,       /* 0 */ +        GF_PROTO_FOP_READLINK,   /* 1 */ +        GF_PROTO_FOP_MKNOD,      /* 2 */ +        GF_PROTO_FOP_MKDIR, +        GF_PROTO_FOP_UNLINK, +        GF_PROTO_FOP_RMDIR,      /* 5 */ +        GF_PROTO_FOP_SYMLINK, +        GF_PROTO_FOP_RENAME, +        GF_PROTO_FOP_LINK, +        GF_PROTO_FOP_TRUNCATE, +        GF_PROTO_FOP_OPEN,       /* 10 */ +        GF_PROTO_FOP_READ, +        GF_PROTO_FOP_WRITE, +        GF_PROTO_FOP_STATFS,     /* 15 */ +        GF_PROTO_FOP_FLUSH, +        GF_PROTO_FOP_FSYNC, +        GF_PROTO_FOP_SETXATTR, +        GF_PROTO_FOP_GETXATTR, +        GF_PROTO_FOP_REMOVEXATTR,/* 20 */ +        GF_PROTO_FOP_OPENDIR, +        GF_PROTO_FOP_GETDENTS, +        GF_PROTO_FOP_FSYNCDIR, +        GF_PROTO_FOP_ACCESS, +        GF_PROTO_FOP_CREATE,     /* 25 */ +        GF_PROTO_FOP_FTRUNCATE, +        GF_PROTO_FOP_FSTAT, +        GF_PROTO_FOP_LK, +        GF_PROTO_FOP_LOOKUP, +        GF_PROTO_FOP_SETDENTS, +        GF_PROTO_FOP_READDIR, +        GF_PROTO_FOP_INODELK,   /* 35 */ +        GF_PROTO_FOP_FINODELK, +	GF_PROTO_FOP_ENTRYLK, +	GF_PROTO_FOP_FENTRYLK, +        GF_PROTO_FOP_CHECKSUM, +        GF_PROTO_FOP_XATTROP,  /* 40 */ +        GF_PROTO_FOP_FXATTROP, +        GF_PROTO_FOP_LOCK_NOTIFY, +        GF_PROTO_FOP_LOCK_FNOTIFY, +        GF_PROTO_FOP_FGETXATTR, +        GF_PROTO_FOP_FSETXATTR, /* 45 */ +        GF_PROTO_FOP_RCHECKSUM, +        GF_PROTO_FOP_SETATTR, +        GF_PROTO_FOP_FSETATTR, +        GF_PROTO_FOP_READDIRP, +        GF_PROTO_FOP_MAXVALUE, +} glusterfs_proto_fop_t; + +/* NOTE: add members ONLY at the end (just before _MAXVALUE) */ +typedef enum { +        GF_MOP_SETVOLUME, /* 0 */ +        GF_MOP_GETVOLUME, /* 1 */ +        GF_MOP_STATS, +        GF_MOP_SETSPEC, +        GF_MOP_GETSPEC, +	GF_MOP_PING,      /* 5 */ +        GF_MOP_LOG, +        GF_MOP_NOTIFY, +        GF_MOP_MAXVALUE,   /* 8 */ +} glusterfs_mop_t; + +typedef enum { +	GF_CBK_FORGET,      /* 0 */ +	GF_CBK_RELEASE,     /* 1 */ +	GF_CBK_RELEASEDIR,  /* 2 */ +	GF_CBK_MAXVALUE     /* 3 */ +} glusterfs_cbk_t; + +typedef enum { +        GF_OP_TYPE_FOP_REQUEST = 1, +        GF_OP_TYPE_MOP_REQUEST, +	GF_OP_TYPE_CBK_REQUEST, +        GF_OP_TYPE_FOP_REPLY, +        GF_OP_TYPE_MOP_REPLY, +	GF_OP_TYPE_CBK_REPLY +} glusterfs_op_type_t; + + +struct gf_stat { +	uint64_t ino; +	uint64_t size; +	uint64_t blocks; +	uint64_t dev; +	uint32_t rdev; +	uint32_t mode; +	uint32_t nlink; +	uint32_t uid; +	uint32_t gid; +	uint32_t blksize; +	uint32_t atime; +	uint32_t atime_nsec; +	uint32_t mtime ; +	uint32_t mtime_nsec; +	uint32_t ctime; +	uint32_t ctime_nsec; +} __attribute__((packed)); + + +static inline void +gf_stat_to_stat (struct gf_stat *gf_stat, struct stat *stat) +{ +	stat->st_dev          = ntoh64 (gf_stat->dev); +	stat->st_ino          = ntoh64 (gf_stat->ino); +	stat->st_mode         = ntoh32 (gf_stat->mode); +	stat->st_nlink        = ntoh32 (gf_stat->nlink); +	stat->st_uid          = ntoh32 (gf_stat->uid); +	stat->st_gid          = ntoh32 (gf_stat->gid); +	stat->st_rdev         = ntoh32 (gf_stat->rdev); +	stat->st_size         = ntoh64 (gf_stat->size); +	stat->st_blksize      = ntoh32 (gf_stat->blksize); +	stat->st_blocks       = ntoh64 (gf_stat->blocks); +	stat->st_atime        = ntoh32 (gf_stat->atime); +	stat->st_mtime        = ntoh32 (gf_stat->mtime); +	stat->st_ctime        = ntoh32 (gf_stat->ctime); +        ST_ATIM_NSEC_SET(stat, ntoh32 (gf_stat->atime_nsec)); +        ST_MTIM_NSEC_SET(stat, ntoh32 (gf_stat->mtime_nsec)); +        ST_CTIM_NSEC_SET(stat, ntoh32 (gf_stat->ctime_nsec)); +} + + +static inline void +gf_stat_from_stat (struct gf_stat *gf_stat, struct stat *stat) +{ +	gf_stat->dev         = hton64 (stat->st_dev); +	gf_stat->ino         = hton64 (stat->st_ino); +	gf_stat->mode        = hton32 (stat->st_mode); +	gf_stat->nlink       = hton32 (stat->st_nlink); +	gf_stat->uid         = hton32 (stat->st_uid); +	gf_stat->gid         = hton32 (stat->st_gid); +	gf_stat->rdev        = hton32 (stat->st_rdev); +	gf_stat->size        = hton64 (stat->st_size); +	gf_stat->blksize     = hton32 (stat->st_blksize); +	gf_stat->blocks      = hton64 (stat->st_blocks); +	gf_stat->atime       = hton32 (stat->st_atime); +	gf_stat->mtime       = hton32 (stat->st_mtime); +	gf_stat->ctime       = hton32 (stat->st_ctime); +        gf_stat->atime_nsec  = hton32 (ST_ATIM_NSEC(stat)); +        gf_stat->mtime_nsec  = hton32 (ST_MTIM_NSEC(stat)); +        gf_stat->ctime_nsec  = hton32 (ST_CTIM_NSEC(stat)); +} + + +static inline void +gf_stat_to_iatt (struct gf_stat *gf_stat, struct iatt *iatt) +{ +        iatt->ia_ino        = ntoh64 (gf_stat->ino); +        iatt->ia_dev        = ntoh64 (gf_stat->dev); +        iatt->ia_type       = ia_type_from_st_mode (ntoh32 (gf_stat->mode)); +        iatt->ia_prot       = ia_prot_from_st_mode (ntoh32 (gf_stat->mode)); +        iatt->ia_nlink      = ntoh32 (gf_stat->nlink); +        iatt->ia_uid        = ntoh32 (gf_stat->uid); +        iatt->ia_gid        = ntoh32 (gf_stat->gid); +        iatt->ia_rdev       = ntoh64 (gf_stat->rdev); +        iatt->ia_size       = ntoh64 (gf_stat->size); +        iatt->ia_blksize    = ntoh32 (gf_stat->blksize); +        iatt->ia_blocks     = ntoh64 (gf_stat->blocks); +        iatt->ia_atime      = ntoh32 (gf_stat->atime); +        iatt->ia_atime_nsec = ntoh32 (gf_stat->atime_nsec); +        iatt->ia_mtime      = ntoh32 (gf_stat->mtime); +        iatt->ia_mtime_nsec = ntoh32 (gf_stat->mtime_nsec); +        iatt->ia_ctime      = ntoh32 (gf_stat->ctime); +        iatt->ia_ctime_nsec = ntoh32 (gf_stat->ctime_nsec); + +        iatt->ia_gen        = ntoh64 (gf_stat->dev); +} + + +static inline void +gf_stat_from_iatt (struct gf_stat *gf_stat, struct iatt *iatt) +{ +        gf_stat->ino        = hton64 (iatt->ia_ino); +        gf_stat->dev        = hton64 (iatt->ia_dev); +        gf_stat->mode       = hton32 (st_mode_from_ia (iatt->ia_prot, +                                                       iatt->ia_type)); +        gf_stat->nlink      = hton32 (iatt->ia_nlink); +        gf_stat->uid        = hton32 (iatt->ia_uid); +        gf_stat->gid        = hton32 (iatt->ia_gid); +        gf_stat->rdev       = hton32 (iatt->ia_rdev); +        gf_stat->size       = hton64 (iatt->ia_size); +        gf_stat->blksize    = hton32 (iatt->ia_blksize); +        gf_stat->blocks     = hton64 (iatt->ia_blocks); +        gf_stat->atime      = hton32 (iatt->ia_atime); +        gf_stat->atime_nsec = hton32 (iatt->ia_atime_nsec); +        gf_stat->mtime      = hton32 (iatt->ia_mtime); +        gf_stat->mtime_nsec = hton32 (iatt->ia_mtime_nsec); +        gf_stat->ctime      = hton32 (iatt->ia_ctime); +        gf_stat->ctime_nsec = hton32 (iatt->ia_ctime_nsec); + +        gf_stat->dev        = hton64 (iatt->ia_gen); + +} + + +struct gf_statfs { +	uint64_t bsize; +	uint64_t frsize; +	uint64_t blocks; +	uint64_t bfree; +	uint64_t bavail; +	uint64_t files; +	uint64_t ffree; +	uint64_t favail; +	uint64_t fsid; +	uint64_t flag; +	uint64_t namemax; +} __attribute__((packed)); + + +static inline void +gf_statfs_to_statfs (struct gf_statfs *gf_stat, struct statvfs *stat) +{ +	stat->f_bsize   = ntoh64 (gf_stat->bsize); +	stat->f_frsize  = ntoh64 (gf_stat->frsize); +	stat->f_blocks  = ntoh64 (gf_stat->blocks); +	stat->f_bfree   = ntoh64 (gf_stat->bfree); +	stat->f_bavail  = ntoh64 (gf_stat->bavail); +	stat->f_files   = ntoh64 (gf_stat->files); +	stat->f_ffree   = ntoh64 (gf_stat->ffree); +	stat->f_favail  = ntoh64 (gf_stat->favail); +	stat->f_fsid    = ntoh64 (gf_stat->fsid); +	stat->f_flag    = ntoh64 (gf_stat->flag); +	stat->f_namemax = ntoh64 (gf_stat->namemax); +} + + +static inline void +gf_statfs_from_statfs (struct gf_statfs *gf_stat, struct statvfs *stat) +{ +	gf_stat->bsize   = hton64 (stat->f_bsize); +	gf_stat->frsize  = hton64 (stat->f_frsize); +	gf_stat->blocks  = hton64 (stat->f_blocks); +	gf_stat->bfree   = hton64 (stat->f_bfree); +	gf_stat->bavail  = hton64 (stat->f_bavail); +	gf_stat->files   = hton64 (stat->f_files); +	gf_stat->ffree   = hton64 (stat->f_ffree); +	gf_stat->favail  = hton64 (stat->f_favail); +	gf_stat->fsid    = hton64 (stat->f_fsid); +	gf_stat->flag    = hton64 (stat->f_flag); +	gf_stat->namemax = hton64 (stat->f_namemax); +} + + +struct gf_flock { +	uint16_t type; +	uint16_t whence; +	uint64_t start; +	uint64_t len; +	uint32_t pid; +} __attribute__((packed)); + + +static inline void +gf_flock_to_flock (struct gf_flock *gf_flock, struct flock *flock) +{ +	flock->l_type   = ntoh16 (gf_flock->type); +	flock->l_whence = ntoh16 (gf_flock->whence); +	flock->l_start  = ntoh64 (gf_flock->start); +	flock->l_len    = ntoh64 (gf_flock->len); +	flock->l_pid    = ntoh32 (gf_flock->pid); +} + + +static inline void +gf_flock_from_flock (struct gf_flock *gf_flock, struct flock *flock) +{ +	gf_flock->type   = hton16 (flock->l_type); +	gf_flock->whence = hton16 (flock->l_whence); +	gf_flock->start  = hton64 (flock->l_start); +	gf_flock->len    = hton64 (flock->l_len); +	gf_flock->pid    = hton32 (flock->l_pid); +} + + +struct gf_timespec { +	uint32_t tv_sec; +	uint32_t tv_nsec; +} __attribute__((packed)); + + +static inline void +gf_timespec_to_timespec (struct gf_timespec *gf_ts, struct timespec *ts) +{ + +	ts[0].tv_sec  = ntoh32 (gf_ts[0].tv_sec); +	ts[0].tv_nsec = ntoh32 (gf_ts[0].tv_nsec); +	ts[1].tv_sec  = ntoh32 (gf_ts[1].tv_sec); +	ts[1].tv_nsec = ntoh32 (gf_ts[1].tv_nsec); +} + + +static inline void +gf_timespec_from_timespec (struct gf_timespec *gf_ts, struct timespec *ts) +{ +	gf_ts[0].tv_sec  = hton32 (ts[0].tv_sec); +	gf_ts[0].tv_nsec = hton32 (ts[0].tv_nsec); +	gf_ts[1].tv_sec  = hton32 (ts[1].tv_sec); +	gf_ts[1].tv_nsec = hton32 (ts[1].tv_nsec); +} + + +#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 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); + +        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); + +        return flags; +} + + +typedef struct { +	uint64_t ino; +        uint64_t gen; +	char     path[0];     /* NULL terminated */ +} __attribute__((packed)) gf_fop_stat_req_t;; +typedef struct { +	struct gf_stat stat; +} __attribute__((packed)) gf_fop_stat_rsp_t; + + +typedef struct { +	uint64_t ino; +        uint64_t gen; +	uint32_t size; +	char     path[0];     /* NULL terminated */ +} __attribute__((packed)) gf_fop_readlink_req_t; +typedef struct { +        struct gf_stat buf; +	char     path[0]; /* NULL terminated */ +} __attribute__((packed)) gf_fop_readlink_rsp_t; + + +typedef struct { +	uint64_t par; +        uint64_t gen; +	uint64_t dev; +	uint32_t mode; +	char     path[0];     /* NULL terminated */ +	char     bname[0]; /* NULL terminated */ +} __attribute__((packed)) gf_fop_mknod_req_t; +typedef struct { +	struct gf_stat stat; +        struct gf_stat preparent; +        struct gf_stat postparent; +} __attribute__((packed)) gf_fop_mknod_rsp_t; + + +typedef struct { +	uint64_t par; +        uint64_t gen; +	uint32_t mode; +	char     path[0];     /* NULL terminated */ +	char     bname[0]; /* NULL terminated */ +} __attribute__((packed)) gf_fop_mkdir_req_t; +typedef struct { +	struct gf_stat stat; +        struct gf_stat preparent; +        struct gf_stat postparent; +} __attribute__((packed)) gf_fop_mkdir_rsp_t; + + +typedef struct { +	uint64_t par; +        uint64_t gen; +	char     path[0];     /* NULL terminated */ +	char     bname[0]; /* NULL terminated */ +} __attribute__((packed)) gf_fop_unlink_req_t; +typedef struct { +        struct gf_stat preparent; +        struct gf_stat postparent; +} __attribute__((packed)) gf_fop_unlink_rsp_t; + + +typedef struct { +	uint64_t par; +        uint64_t gen; +	char     path[0]; +	char     bname[0]; /* NULL terminated */ +} __attribute__((packed)) gf_fop_rmdir_req_t; +typedef struct { +        struct gf_stat preparent; +        struct gf_stat postparent; +} __attribute__((packed)) gf_fop_rmdir_rsp_t; + + +typedef struct { +	uint64_t par; +        uint64_t gen; +	char     path[0]; +	char     bname[0]; +	char     linkname[0]; +} __attribute__((packed)) gf_fop_symlink_req_t; +typedef struct { +	struct gf_stat stat; +        struct gf_stat preparent; +        struct gf_stat postparent; +}__attribute__((packed)) gf_fop_symlink_rsp_t; + + +typedef struct { +	uint64_t   oldpar; +        uint64_t   oldgen; +	uint64_t   newpar; +        uint64_t   newgen; +	char       oldpath[0]; +	char       oldbname[0]; /* NULL terminated */ +	char       newpath[0]; +	char       newbname[0]; /* NULL terminated */ +} __attribute__((packed)) gf_fop_rename_req_t; +typedef struct { +	struct gf_stat stat; +        struct gf_stat preoldparent; +        struct gf_stat postoldparent; +        struct gf_stat prenewparent; +        struct gf_stat postnewparent; +} __attribute__((packed)) gf_fop_rename_rsp_t; + + +typedef struct { +	uint64_t   oldino; +        uint64_t   oldgen; +	uint64_t   newpar; +        uint64_t   newgen; +	char       oldpath[0]; +	char       newpath[0]; +	char       newbname[0]; +}__attribute__((packed)) gf_fop_link_req_t; +typedef struct { +	struct gf_stat stat; +        struct gf_stat preparent; +        struct gf_stat postparent; +} __attribute__((packed)) gf_fop_link_rsp_t; + +typedef struct { +	uint64_t ino; +        uint64_t gen; +	uint64_t offset; +	char     path[0]; +} __attribute__((packed)) gf_fop_truncate_req_t; +typedef struct { +	struct gf_stat prestat; +        struct gf_stat poststat; +} __attribute__((packed)) gf_fop_truncate_rsp_t; + + +typedef struct { +	uint64_t ino; +        uint64_t gen; +	uint32_t flags; +        uint32_t wbflags; +	char     path[0]; +} __attribute__((packed)) gf_fop_open_req_t; +typedef struct { +	int64_t fd; +} __attribute__((packed)) gf_fop_open_rsp_t; + + +typedef struct { +	uint64_t ino; +        uint64_t gen; +	int64_t  fd; +	uint64_t offset; +	uint32_t size; +} __attribute__((packed)) gf_fop_read_req_t; +typedef struct { +	struct gf_stat stat; +	char buf[0]; +} __attribute__((packed)) gf_fop_read_rsp_t; + + +typedef struct { +	uint64_t ino; +        uint64_t gen; +	int64_t  fd; +	uint64_t offset; +	uint32_t size; +} __attribute__((packed)) gf_fop_write_req_t; +typedef struct { +	struct gf_stat prestat; +        struct gf_stat poststat; +} __attribute__((packed)) gf_fop_write_rsp_t; + + +typedef struct { +	uint64_t ino; +        uint64_t gen; +	char     path[0]; +} __attribute__((packed)) gf_fop_statfs_req_t; +typedef struct { +	struct gf_statfs statfs; +} __attribute__((packed)) gf_fop_statfs_rsp_t; + + +typedef struct { +	uint64_t ino; +        uint64_t gen; +	int64_t  fd; +} __attribute__((packed)) gf_fop_flush_req_t; +typedef struct { } __attribute__((packed)) gf_fop_flush_rsp_t; + + +typedef struct fsync_req { +	uint64_t ino; +        uint64_t gen; +	int64_t  fd; +	uint32_t data; +} __attribute__((packed)) gf_fop_fsync_req_t; +typedef struct { +        struct gf_stat prestat; +        struct gf_stat poststat; +} __attribute__((packed)) gf_fop_fsync_rsp_t; + + +typedef struct { +	uint64_t ino; +        uint64_t gen; +	uint32_t flags; +	uint32_t dict_len; +	char     dict[0]; +	char     path[0]; +} __attribute__((packed)) gf_fop_setxattr_req_t; +typedef struct { } __attribute__((packed)) gf_fop_setxattr_rsp_t; + + +typedef struct { +        uint64_t ino; +        uint64_t gen; +	int64_t  fd; +	uint32_t flags; +	uint32_t dict_len; +	char     dict[0]; +} __attribute__((packed)) gf_fop_fsetxattr_req_t; +typedef struct { } __attribute__((packed)) gf_fop_fsetxattr_rsp_t; + + +typedef struct { +	uint64_t ino; +        uint64_t gen; +	uint32_t flags; +	uint32_t dict_len; +	char     dict[0]; +	char     path[0]; +} __attribute__((packed)) gf_fop_xattrop_req_t; + +typedef struct { +	uint32_t dict_len; +	char  dict[0]; +} __attribute__((packed)) gf_fop_xattrop_rsp_t; + + +typedef struct { +	uint64_t ino; +        uint64_t gen; +	int64_t  fd; +	uint32_t flags; +	uint32_t dict_len; +	char     dict[0]; +} __attribute__((packed)) gf_fop_fxattrop_req_t; + +typedef struct { +	uint32_t dict_len; +	char  dict[0]; +} __attribute__((packed)) gf_fop_fxattrop_rsp_t; + + +typedef struct { +	uint64_t ino; +        uint64_t gen; +	uint32_t namelen; +	char     path[0]; +	char     name[0]; +} __attribute__((packed)) gf_fop_getxattr_req_t; +typedef struct { +	uint32_t dict_len; +	char     dict[0]; +} __attribute__((packed)) gf_fop_getxattr_rsp_t; + + +typedef struct { +        uint64_t ino; +        uint64_t gen; +	int64_t  fd; +        uint32_t namelen; +	char     name[0]; +} __attribute__((packed)) gf_fop_fgetxattr_req_t; +typedef struct { +	uint32_t dict_len; +	char     dict[0]; +} __attribute__((packed)) gf_fop_fgetxattr_rsp_t; + + +typedef struct { +	uint64_t ino; +        uint64_t gen; +	char     path[0]; +	char     name[0]; +} __attribute__((packed)) gf_fop_removexattr_req_t; +typedef struct { } __attribute__((packed)) gf_fop_removexattr_rsp_t; + + +typedef struct { +	uint64_t ino; +        uint64_t gen; +	char     path[0]; +} __attribute__((packed)) gf_fop_opendir_req_t; +typedef struct { +	int64_t fd; +} __attribute__((packed)) gf_fop_opendir_rsp_t; + + +typedef struct fsyncdir_req { +	uint64_t ino; +        uint64_t gen; +	int64_t  fd; +	int32_t  data; +} __attribute__((packed)) gf_fop_fsyncdir_req_t; +typedef struct { +} __attribute__((packed)) gf_fop_fsyncdir_rsp_t; + + +typedef struct { +	uint64_t ino; +        uint64_t gen; +	int64_t  fd; +	uint64_t offset; +	uint32_t size; +} __attribute__((packed)) gf_fop_readdir_req_t; +typedef struct { +	uint32_t size; +	char     buf[0]; +} __attribute__((packed)) gf_fop_readdir_rsp_t; + + +typedef struct { +	uint64_t ino; +        uint64_t gen; +	int64_t  fd; +	uint64_t offset; +	uint32_t size; +} __attribute__((packed)) gf_fop_readdirp_req_t; +typedef struct { +	uint32_t size; +	char     buf[0]; +} __attribute__((packed)) gf_fop_readdirp_rsp_t; + + +typedef struct  { +	uint64_t ino; +        uint64_t gen; +	uint32_t mask; +	char     path[0]; +} __attribute__((packed)) gf_fop_access_req_t; +typedef struct { +} __attribute__((packed)) gf_fop_access_rsp_t; + + +typedef struct { +	uint64_t par; +        uint64_t gen; +	uint32_t flags; +	uint32_t mode; +	char     path[0]; +	char     bname[0]; +} __attribute__((packed)) gf_fop_create_req_t; +typedef struct { +	struct gf_stat stat; +	uint64_t       fd; +        struct gf_stat preparent; +        struct gf_stat postparent; +} __attribute__((packed)) gf_fop_create_rsp_t; + + + +typedef struct { +	uint64_t ino; +        uint64_t gen; +	int64_t  fd; +	uint64_t offset; +} __attribute__((packed)) gf_fop_ftruncate_req_t; +typedef struct { +	struct gf_stat prestat; +        struct gf_stat poststat; +} __attribute__((packed)) gf_fop_ftruncate_rsp_t; + + +typedef struct { +	uint64_t ino; +        uint64_t gen; +	int64_t  fd; +} __attribute__((packed)) gf_fop_fstat_req_t; +typedef struct { +	struct gf_stat stat; +} __attribute__((packed)) gf_fop_fstat_rsp_t; + + +typedef struct { +	uint64_t        ino; +        uint64_t        gen; +	int64_t         fd; +	uint32_t        cmd; +	uint32_t        type; +	struct gf_flock flock; +} __attribute__((packed)) gf_fop_lk_req_t; +typedef struct { +	struct gf_flock flock; +} __attribute__((packed)) gf_fop_lk_rsp_t; + +typedef struct { +	uint64_t ino; +        uint64_t gen; +	uint32_t cmd; +	uint32_t type; +	struct gf_flock flock; +	char     path[0]; +        char     volume[0]; +} __attribute__((packed)) gf_fop_inodelk_req_t; +typedef struct { +} __attribute__((packed)) gf_fop_inodelk_rsp_t; + +typedef struct { +	uint64_t ino; +        uint64_t gen; +	int64_t  fd; +	uint32_t cmd; +	uint32_t type; +	struct gf_flock flock; +        char volume[0]; +} __attribute__((packed)) gf_fop_finodelk_req_t; +typedef struct { +} __attribute__((packed)) gf_fop_finodelk_rsp_t; + +typedef struct { +	uint64_t  ino; +        uint64_t  gen; +	uint32_t  cmd; +	uint32_t  type; +	uint64_t  namelen; +	char      path[0]; +	char      name[0]; +        char      volume[0]; +} __attribute__((packed)) gf_fop_entrylk_req_t; +typedef struct { +} __attribute__((packed)) gf_fop_entrylk_rsp_t; + +typedef struct { +	uint64_t  ino; +        uint64_t  gen; +	int64_t   fd; +	uint32_t  cmd; +	uint32_t  type; +	uint64_t  namelen; +	char      name[0]; +        char      volume[0]; +} __attribute__((packed)) gf_fop_fentrylk_req_t; +typedef struct { +} __attribute__((packed)) gf_fop_fentrylk_rsp_t; + +typedef struct { +	uint64_t ino; /* NOTE: used only in case of 'root' lookup */ +	uint64_t par; +        uint64_t gen; +	uint32_t flags; +	uint32_t dictlen; +	char     path[0]; +	char     bname[0]; +	char     dict[0]; +} __attribute__((packed)) gf_fop_lookup_req_t; +typedef struct { +	struct gf_stat stat; +        struct gf_stat postparent; +	uint32_t       dict_len; +	char           dict[0]; +} __attribute__((packed)) gf_fop_lookup_rsp_t; + +typedef struct { +	uint64_t  ino; +        uint64_t  gen; +	uint32_t  flag; +	char      path[0]; +} __attribute__((packed)) gf_fop_checksum_req_t; +typedef struct { +	unsigned char fchecksum[0]; +	unsigned char dchecksum[0]; +} __attribute__((packed)) gf_fop_checksum_rsp_t; + +typedef struct { +        uint64_t       ino; +        uint64_t       gen; +        struct gf_stat stbuf; +        int32_t        valid; +        char           path[0]; +} __attribute__((packed)) gf_fop_setattr_req_t; +typedef struct { +        struct gf_stat statpre; +        struct gf_stat statpost; +} __attribute__((packed)) gf_fop_setattr_rsp_t; + +typedef struct { +        int64_t        fd; +        struct gf_stat stbuf; +        int32_t        valid; +} __attribute__((packed)) gf_fop_fsetattr_req_t; +typedef struct { +        struct gf_stat statpre; +        struct gf_stat statpost; +} __attribute__((packed)) gf_fop_fsetattr_rsp_t; + +typedef struct { +        int64_t   fd; +        uint64_t  offset; +        uint32_t  len; +} __attribute__((packed)) gf_fop_rchecksum_req_t; +typedef struct { +        uint32_t weak_checksum; +        unsigned char strong_checksum[0]; +} __attribute__((packed)) gf_fop_rchecksum_rsp_t; + +typedef struct { +	uint32_t flags; +	uint32_t keylen; +	char     key[0]; +} __attribute__((packed)) gf_mop_getspec_req_t; +typedef struct { +	char spec[0]; +} __attribute__((packed)) gf_mop_getspec_rsp_t; + + +typedef struct { +        uint32_t msglen; +	char     msg[0]; +} __attribute__((packed)) gf_mop_log_req_t; +typedef struct { +} __attribute__((packed)) gf_mop_log_rsp_t; + + +typedef struct { +	uint32_t dict_len; +	char buf[0]; +} __attribute__((packed)) gf_mop_setvolume_req_t; +typedef struct { +	uint32_t dict_len; +	char buf[0]; +} __attribute__((packed)) gf_mop_setvolume_rsp_t; + + +typedef struct { +} __attribute__((packed)) gf_mop_ping_req_t; +typedef struct { +} __attribute__((packed)) gf_mop_ping_rsp_t; + +typedef struct { +	uint32_t  flags; +        char buf[0]; +} __attribute__((packed)) gf_mop_notify_req_t; +typedef struct { +	uint32_t  flags; +        char buf[0]; +} __attribute__((packed)) gf_mop_notify_rsp_t; + +typedef struct { +	uint64_t ino; +        uint64_t gen; +	int64_t  fd; +} __attribute__((packed)) gf_cbk_releasedir_req_t; +typedef struct { +} __attribute__((packed)) gf_cbk_releasedir_rsp_t; + + +typedef struct { +	uint64_t ino; +        uint64_t gen; +	int64_t  fd; +} __attribute__((packed)) gf_cbk_release_req_t; +typedef struct { +} __attribute__((packed)) gf_cbk_release_rsp_t; + + +typedef struct { +	uint32_t count; +	uint64_t ino_array[0]; +} __attribute__((packed)) gf_cbk_forget_req_t; +typedef struct { } __attribute__((packed)) gf_cbk_forget_rsp_t; + + +typedef struct { +	uint32_t pid; +	uint32_t uid; +	uint32_t gid; + +        /* Number of groups being sent through the array above. */ +        uint32_t ngrps; + +        /* Array of groups to which the uid belongs apart from the primary group +         * in gid. +         */ +        uint32_t groups[GF_REQUEST_MAXGROUPS]; + +        uint64_t lk_owner; +} __attribute__ ((packed)) gf_hdr_req_t; + + +typedef struct { +	uint32_t op_ret; +	uint32_t op_errno; +} __attribute__ ((packed)) gf_hdr_rsp_t; + + +typedef struct { +	uint64_t callid; +	uint32_t type; +	uint32_t op; +	uint32_t size; +	union { +		gf_hdr_req_t req; +		gf_hdr_rsp_t rsp; +	} __attribute__ ((packed)); +} __attribute__ ((packed)) gf_hdr_common_t; + + +static inline gf_hdr_common_t * +__gf_hdr_new (int size) +{ +	gf_hdr_common_t *hdr = NULL; + +	/* TODO: use mem-pool */ +	hdr = GF_CALLOC (sizeof (gf_hdr_common_t) + size, 1, +                         gf_common_mt_gf_hdr_common_t); + +	if (!hdr) { +		return NULL; +	} + +	hdr->size = hton32 (size); + +	return hdr; +} + + +#define gf_hdr_len(type, x) (sizeof (gf_hdr_common_t) + sizeof (*type) + x) +#define gf_hdr_new(type, x) __gf_hdr_new (sizeof (*type) + x) + + +static inline void * +gf_param (gf_hdr_common_t *hdr) +{ +	return ((void *)hdr) + sizeof (*hdr); +} + + +struct gf_dirent_nb { +	uint64_t       d_ino; +	uint64_t       d_off; +	uint32_t       d_len; +	uint32_t       d_type; +        struct gf_stat d_stat; +	char           d_name[0]; +} __attribute__((packed)); + +int +gf_dirent_unserialize (gf_dirent_t *entries, const char *buf, size_t buf_size); +int +gf_dirent_serialize (gf_dirent_t *entries, char *buf, size_t buf_size); + +int protocol_common_init (void); + +#endif  | 
