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Diffstat (limited to 'libglusterfs/src/glusterfs.h')
| -rw-r--r-- | libglusterfs/src/glusterfs.h | 277 |
1 files changed, 277 insertions, 0 deletions
diff --git a/libglusterfs/src/glusterfs.h b/libglusterfs/src/glusterfs.h new file mode 100644 index 000000000..76891f5b0 --- /dev/null +++ b/libglusterfs/src/glusterfs.h @@ -0,0 +1,277 @@ +/* + Copyright (c) 2006, 2007, 2008 Z RESEARCH, Inc. <http://www.zresearch.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 _GLUSTERFS_H +#define _GLUSTERFS_H + +#ifndef _CONFIG_H +#define _CONFIG_H +#include "config.h" +#endif + +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <netinet/in.h> +#include <sys/socket.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/statvfs.h> +#include <netdb.h> +#include <errno.h> +#include <dirent.h> +#include <unistd.h> +#include <fcntl.h> +#include <arpa/inet.h> +#include <sys/poll.h> +#include <pthread.h> + +#include "list.h" +#include "logging.h" + +#define GF_YES 1 +#define GF_NO 0 + +#ifndef O_LARGEFILE +/* savannah bug #20053, patch for compiling on darwin */ +#define O_LARGEFILE 0 +#endif + +#ifndef O_DIRECT +/* savannah bug #20050, #20052 */ +#define O_DIRECT 0 /* From asm/fcntl.h */ +#endif + +#ifndef O_DIRECTORY +/* FreeBSD does not need O_DIRECTORY */ +#define O_DIRECTORY 0 +#endif + +#define ZR_FILE_CONTENT_STR "glusterfs.file." +#define ZR_FILE_CONTENT_STRLEN 15 + +#define GLUSTERFS_OPEN_FD_COUNT "glusterfs.open-fd-count" + +#define ZR_FILE_CONTENT_REQUEST(key) (!strncmp(key, ZR_FILE_CONTENT_STR, \ + ZR_FILE_CONTENT_STRLEN)) + +/* TODO: Should we use PATH-MAX? On some systems it may save space */ +#define ZR_PATH_MAX 4096 + +/* This is used as the maximum permitted filename length over FS. + * If the backend FS supports higher than this, it should be changed. + */ +#define ZR_FILENAME_MAX 256 + + +/* NOTE: add members ONLY at the end (just before _MAXVALUE) */ +typedef enum { + GF_FOP_STAT, /* 0 */ + GF_FOP_READLINK, /* 1 */ + GF_FOP_MKNOD, /* 2 */ + GF_FOP_MKDIR, + GF_FOP_UNLINK, + GF_FOP_RMDIR, /* 5 */ + GF_FOP_SYMLINK, + GF_FOP_RENAME, + GF_FOP_LINK, + GF_FOP_CHMOD, + GF_FOP_CHOWN, /* 10 */ + GF_FOP_TRUNCATE, + GF_FOP_OPEN, + GF_FOP_READ, + GF_FOP_WRITE, + GF_FOP_STATFS, /* 15 */ + GF_FOP_FLUSH, + GF_FOP_FSYNC, + GF_FOP_SETXATTR, + GF_FOP_GETXATTR, + GF_FOP_REMOVEXATTR,/* 20 */ + GF_FOP_OPENDIR, + GF_FOP_GETDENTS, + GF_FOP_FSYNCDIR, + GF_FOP_ACCESS, + GF_FOP_CREATE, /* 25 */ + GF_FOP_FTRUNCATE, + GF_FOP_FSTAT, + GF_FOP_LK, + GF_FOP_UTIMENS, + GF_FOP_FCHMOD, /* 30 */ + GF_FOP_FCHOWN, + GF_FOP_LOOKUP, + GF_FOP_SETDENTS, + GF_FOP_READDIR, + GF_FOP_INODELK, /* 35 */ + GF_FOP_FINODELK, + GF_FOP_ENTRYLK, + GF_FOP_FENTRYLK, + GF_FOP_CHECKSUM, + GF_FOP_XATTROP, /* 40 */ + GF_FOP_FXATTROP, + GF_FOP_MAXVALUE, +} glusterfs_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, + GF_MOP_MAXVALUE /* 5 */ +} 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; + +/* NOTE: all the miscellaneous flags used by GlusterFS should be listed here */ +typedef enum { + GF_LK_GETLK = 0, + GF_LK_SETLK, + GF_LK_SETLKW, +} glusterfs_lk_cmds_t; + +typedef enum { + GF_LK_F_RDLCK = 0, + GF_LK_F_WRLCK, + GF_LK_F_UNLCK +} glusterfs_lk_types_t; + +typedef enum { + GF_LOCK_POSIX, + GF_LOCK_INTERNAL +} gf_lk_domain_t; + +typedef enum { + ENTRYLK_LOCK, + ENTRYLK_UNLOCK, + ENTRYLK_LOCK_NB +} entrylk_cmd; + +typedef enum { + ENTRYLK_RDLCK, + ENTRYLK_WRLCK +} entrylk_type; + +typedef enum { + GF_GET_ALL = 1, + GF_GET_DIR_ONLY, + GF_GET_SYMLINK_ONLY, + GF_GET_REGULAR_FILES_ONLY, +} glusterfs_getdents_flags_t; + +typedef enum { + GF_XATTROP_ADD_ARRAY, +} gf_xattrop_flags_t; + +#define GF_SET_IF_NOT_PRESENT 0x1 /* default behaviour */ +#define GF_SET_OVERWRITE 0x2 /* Overwrite with the buf given */ +#define GF_SET_DIR_ONLY 0x4 +#define GF_SET_EPOCH_TIME 0x8 /* used by afr dir lookup selfheal */ + + +struct _xlator_cmdline_option { + struct list_head cmd_args; + char *volume; + char *key; + char *value; +}; +typedef struct _xlator_cmdline_option xlator_cmdline_option_t; + +struct _cmd_args { + /* basic options */ + char *volfile_server; + char *volume_file; + gf_loglevel_t log_level; + char *log_file; + /* advanced options */ + uint32_t volfile_server_port; + char *volfile_server_transport; + char *pid_file; + int no_daemon_mode; + char *run_id; + int debug_mode; + struct list_head xlator_options; /* list of xlator_option_t */ + + /* fuse options */ + int fuse_direct_io_mode_flag; + unsigned int fuse_entry_timeout; + unsigned int fuse_attribute_timeout; + char *volume_name; + int non_local; /* Used only by darwin os, + used for '-o local' option */ + char *icon_name; /* This string will appear as + Desktop icon name when mounted + on darwin */ + int fuse_nodev; + int fuse_nosuid; + + /* key args */ + char *mount_point; + char *volfile_id; +}; +typedef struct _cmd_args cmd_args_t; + +struct _glusterfs_ctx { + cmd_args_t cmd_args; + char *process_uuid; + FILE *specfp; + FILE *pidfp; + char fin; + void *timer; + void *ib; + void *pool; + void *graph; + void *top; /* either fuse or server protocol */ + void *event_pool; + pthread_mutex_t lock; + int xl_count; +}; + +typedef struct _glusterfs_ctx glusterfs_ctx_t; + +typedef enum { + GF_EVENT_PARENT_UP = 1, + GF_EVENT_POLLIN, + GF_EVENT_POLLOUT, + GF_EVENT_POLLERR, + GF_EVENT_CHILD_UP, + GF_EVENT_CHILD_DOWN, + GF_EVENT_CHILD_CONNECTING, + GF_EVENT_TRANSPORT_CLEANUP, + GF_EVENT_TRANSPORT_CONNECTED, +} glusterfs_event_t; + +#define GF_MUST_CHECK __attribute__((warn_unused_result)) + +#endif /* _GLUSTERFS_H */ |