/* Copyright (c) 2006-2009 Gluster, Inc. 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 . */ #ifndef _PROTOCOL_H #define _PROTOCOL_H #ifndef _CONFIG_H #define _CONFIG_H #include "config.h" #endif #include #include #include #include #include #include #include #include "byte-order.h" /* Any changes in the protocol structure or adding new '[f,m]ops' needs to * bump the protocol version by "0.1" */ /* Protocol version 1.0 was ASCII based dictionary protocol */ #define GF_PROTOCOL_VERSION "2.0" struct gf_stat { uint64_t ino; uint64_t size; uint64_t blocks; uint32_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 = ntoh32 (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); ST_ATIM_NSEC_SET(stat, ntoh32 (gf_stat->atime_nsec)); stat->st_mtime = ntoh32 (gf_stat->mtime); ST_MTIM_NSEC_SET(stat, ntoh32 (gf_stat->mtime_nsec)); stat->st_ctime = ntoh32 (gf_stat->ctime); 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 = hton32 (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->atime_nsec = hton32 (ST_ATIM_NSEC(stat)); gf_stat->mtime = hton32 (stat->st_mtime); gf_stat->mtime_nsec = hton32 (ST_MTIM_NSEC(stat)); gf_stat->ctime = hton32 (stat->st_ctime); gf_stat->ctime_nsec = hton32 (ST_CTIM_NSEC(stat)); } 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_DIRECT 040000 #define GF_O_DIRECTORY 0200000 #define GF_O_NOFOLLOW 0400000 #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_DIRECT); XLATE_BIT (flags, gf_flags, O_DIRECTORY); XLATE_BIT (flags, gf_flags, O_NOFOLLOW); 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_DIRECT); UNXLATE_BIT (gf_flags, flags, O_DIRECTORY); UNXLATE_BIT (gf_flags, flags, O_NOFOLLOW); UNXLATE_BIT (gf_flags, flags, O_LARGEFILE); return flags; } typedef struct { uint64_t ino; 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; uint32_t size; char path[0]; /* NULL terminated */ } __attribute__((packed)) gf_fop_readlink_req_t; typedef struct { char path[0]; /* NULL terminated */ } __attribute__((packed)) gf_fop_readlink_rsp_t; typedef struct { uint64_t par; 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; } __attribute__((packed)) gf_fop_mknod_rsp_t; typedef struct { uint64_t par; 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; } __attribute__((packed)) gf_fop_mkdir_rsp_t; typedef struct { uint64_t par; char path[0]; /* NULL terminated */ char bname[0]; /* NULL terminated */ } __attribute__((packed)) gf_fop_unlink_req_t; typedef struct { } __attribute__((packed)) gf_fop_unlink_rsp_t; typedef struct { uint64_t par; char path[0]; char bname[0]; /* NULL terminated */ } __attribute__((packed)) gf_fop_rmdir_req_t; typedef struct { } __attribute__((packed)) gf_fop_rmdir_rsp_t; typedef struct { uint64_t par; char path[0]; char bname[0]; char linkname[0]; } __attribute__((packed)) gf_fop_symlink_req_t; typedef struct { struct gf_stat stat; }__attribute__((packed)) gf_fop_symlink_rsp_t; typedef struct { uint64_t oldpar; uint64_t newpar; 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; } __attribute__((packed)) gf_fop_rename_rsp_t; typedef struct { uint64_t oldino; uint64_t newpar; char oldpath[0]; char newpath[0]; char newbname[0]; }__attribute__((packed)) gf_fop_link_req_t; typedef struct { struct gf_stat stat; } __attribute__((packed)) gf_fop_link_rsp_t; typedef struct { uint64_t ino; uint32_t mode; char path[0]; } __attribute__((packed)) gf_fop_chmod_req_t; typedef struct { struct gf_stat stat; } __attribute__((packed)) gf_fop_chmod_rsp_t; typedef struct { uint64_t ino; uint32_t uid; uint32_t gid; char path[0]; } __attribute__((packed)) gf_fop_chown_req_t; typedef struct { struct gf_stat stat; } __attribute__((packed)) gf_fop_chown_rsp_t; typedef struct { uint64_t ino; uint64_t offset; char path[0]; } __attribute__((packed)) gf_fop_truncate_req_t; typedef struct { struct gf_stat stat; } __attribute__((packed)) gf_fop_truncate_rsp_t; typedef struct { uint64_t ino; uint32_t flags; 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; 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; int64_t fd; uint64_t offset; uint32_t size; } __attribute__((packed)) gf_fop_write_req_t; typedef struct { struct gf_stat stat; } __attribute__((packed)) gf_fop_write_rsp_t; typedef struct { uint64_t ino; 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; 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; int64_t fd; uint32_t data; } __attribute__((packed)) gf_fop_fsync_req_t; typedef struct { } __attribute__((packed)) gf_fop_fsync_rsp_t; typedef struct { uint64_t ino; 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; 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; 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; 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; 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; 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; 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; 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; 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; 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; 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; 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; } __attribute__((packed)) gf_fop_create_rsp_t; typedef struct { uint64_t ino; int64_t fd; uint64_t offset; } __attribute__((packed)) gf_fop_ftruncate_req_t; typedef struct { struct gf_stat stat; } __attribute__((packed)) gf_fop_ftruncate_rsp_t; typedef struct { uint64_t ino; 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; 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; 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; 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; 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; 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; struct gf_timespec tv[2]; char path[0]; } __attribute__((packed)) gf_fop_utimens_req_t; typedef struct { struct gf_stat stat; } __attribute__((packed)) gf_fop_utimens_rsp_t; typedef struct { uint64_t ino; uint64_t fd; uint32_t mode; } __attribute__((packed)) gf_fop_fchmod_req_t; typedef struct { struct gf_stat stat; } __attribute__((packed)) gf_fop_fchmod_rsp_t; typedef struct { uint64_t ino; int64_t fd; uint32_t uid; uint32_t gid; } __attribute__((packed)) gf_fop_fchown_req_t; typedef struct { struct gf_stat stat; } __attribute__((packed)) gf_fop_fchown_rsp_t; typedef struct { uint64_t ino; /* NOTE: used only in case of 'root' lookup */ uint64_t par; 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; uint32_t dict_len; char dict[0]; } __attribute__((packed)) gf_fop_lookup_rsp_t; typedef struct { uint64_t ino; int64_t fd; uint32_t flags; uint32_t count; char buf[0]; } __attribute__((packed)) gf_fop_setdents_req_t; typedef struct { } __attribute__((packed)) gf_fop_setdents_rsp_t; typedef struct { uint64_t ino; int64_t fd; uint64_t offset; uint32_t size; uint32_t flags; } __attribute__((packed)) gf_fop_getdents_req_t; typedef struct { uint32_t count; char buf[0]; } __attribute__((packed)) gf_fop_getdents_rsp_t; typedef struct { uint64_t ino; 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; int32_t timeout; } __attribute__((packed)) gf_fop_lock_notify_req_t; typedef struct { } __attribute__((packed)) gf_fop_lock_notify_rsp_t; typedef struct { int64_t fd; int32_t timeout; } __attribute__((packed)) gf_fop_lock_fnotify_req_t; typedef struct { } __attribute__((packed)) gf_fop_lock_fnotify_rsp_t; typedef struct { char name[0]; } __attribute__((packed)) gf_mop_lock_req_t; typedef struct {} __attribute__((packed)) gf_mop_lock_rsp_t; typedef struct { char name[0]; } __attribute__((packed)) gf_mop_unlock_req_t; typedef struct {} __attribute__((packed)) gf_mop_unlock_rsp_t; typedef struct { char pattern[0]; } __attribute__((packed)) gf_mop_listlocks_req_t; typedef struct {} __attribute__((packed)) gf_mop_listlocks_rsp_t; typedef struct { uint32_t flags; } __attribute__((packed)) gf_mop_stats_req_t; typedef struct { char buf[0]; } __attribute__((packed)) gf_mop_stats_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 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 { uint64_t ino; int64_t fd; } __attribute__((packed)) gf_cbk_releasedir_req_t; typedef struct { } __attribute__((packed)) gf_cbk_releasedir_rsp_t; typedef struct { uint64_t ino; 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; } __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 = CALLOC (sizeof (gf_hdr_common_t) + size, 1); 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); } #endif