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Diffstat (limited to 'xlators/nfs/server/src/nfs.h')
| -rw-r--r-- | xlators/nfs/server/src/nfs.h | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/xlators/nfs/server/src/nfs.h b/xlators/nfs/server/src/nfs.h new file mode 100644 index 00000000000..e3daaed17a6 --- /dev/null +++ b/xlators/nfs/server/src/nfs.h @@ -0,0 +1,154 @@ +/* + Copyright (c) 2010-2011 Gluster, Inc. <http://www.gluster.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 __NFS_H__ +#define __NFS_H__ + +#include "rpcsvc.h" +#include <glusterfs/dict.h> +#include <glusterfs/xlator.h> +#include <glusterfs/lkowner.h> +#include <glusterfs/gidcache.h> + +#define GF_NFS "nfs" + +#define GF_NFS_CONCURRENT_OPS_MULT 15 + +#define GF_NFS_INODE_LRU_MULT 6000 + +#define GF_RPC_MIN_THREADS 1 +#define GF_RPC_MAX_THREADS 16 + +#define GF_NFS_DEFAULT_MEMFACTOR 15 +#define GF_NFS_MIN_MEMFACTOR 1 +#define GF_NFS_MAX_MEMFACTOR 30 + +#define GF_NFS_DVM_ON 1 +#define GF_NFS_DVM_OFF 0 + +/* Disable using the exports file by default */ +#define GF_NFS_DEFAULT_EXPORT_AUTH 0 + +#define GF_NFS_DEFAULT_AUTH_REFRESH_INTERVAL_SEC 2 +#define GF_NFS_DEFAULT_AUTH_CACHE_TTL_SEC 300 /* 5 min */ + +/* This corresponds to the max 16 number of group IDs that are sent through an + * RPC request. Since NFS is the only one going to set this, we can be safe + * in keeping this size hardcoded. + */ +#define GF_REQUEST_MAXGROUPS 16 + +/* Callback into a version-specific NFS protocol. + * The return type is used by the nfs.c code to register the protocol. + * with the RPC service. + */ +typedef rpcsvc_program_t *(*nfs_version_initer_t)(xlator_t *nfsx); + +/* List of version-specific protocol initiators */ +struct nfs_initer_list { + struct list_head list; + nfs_version_initer_t init; + rpcsvc_program_t *program; + gf_boolean_t required; +}; + +struct nfs_state { + rpcsvc_t *rpcsvc; + struct list_head versions; + struct mount3_state *mstate; + struct nfs3_state *nfs3state; + struct nlm4_state *nlm4state; + struct mem_pool *foppool; + unsigned int memfactor; + xlator_list_t *subvols; + + gf_lock_t svinitlock; + int allsubvols; + int upsubvols; + xlator_t **initedxl; + int subvols_started; + int dynamicvolumes; + int enable_ino32; + unsigned int override_portnum; + int allow_insecure; + int enable_nlm; + int enable_acl; + int mount_udp; + + /* Enable exports auth model */ + int exports_auth; + /* Refresh auth params from disk periodically */ + int refresh_auth; + + unsigned int auth_refresh_time_secs; + unsigned int auth_cache_ttl_sec; + + char *rmtab; + struct rpc_clnt *rpc_clnt; + gf_boolean_t server_aux_gids; + uint32_t server_aux_gids_max_age; + gid_cache_t gid_cache; + uint32_t generation; + gf_boolean_t register_portmap; + char *rpc_statd; + char *rpc_statd_pid_file; + gf_boolean_t rdirplus; + uint32_t event_threads; +}; + +struct nfs_inode_ctx { + struct list_head shares; + uint32_t generation; +}; + +#define gf_nfs_dvm_on(nfsstt) \ + (((struct nfs_state *)nfsstt)->dynamicvolumes == GF_NFS_DVM_ON) +#define gf_nfs_dvm_off(nfsstt) \ + (((struct nfs_state *)nfsstt)->dynamicvolumes == GF_NFS_DVM_OFF) +#define __gf_nfs_enable_ino32(nfsstt) \ + (((struct nfs_state *)nfsstt)->enable_ino32) +#define gf_nfs_this_private ((struct nfs_state *)((xlator_t *)THIS)->private) +#define gf_nfs_enable_ino32() (__gf_nfs_enable_ino32(gf_nfs_this_private)) + +/* We have one gid more than the glusterfs maximum since we pass the primary + * gid as the first element of the array. + */ +#define NFS_NGROUPS (GF_REQUEST_MAXGROUPS + 1) + +/* Index of the primary gid */ +#define NFS_PRIMGID_IDX 0 + +typedef struct nfs_user_info { + uid_t uid; + gid_t gids[NFS_NGROUPS]; + int ngrps; + gf_lkowner_t lk_owner; + char identifier[UNIX_PATH_MAX]; /* ip of user */ +} nfs_user_t; + +extern int +nfs_user_root_create(nfs_user_t *newnfu); + +extern int +nfs_user_create(nfs_user_t *newnfu, uid_t uid, gid_t gid, + rpc_transport_t *trans, gid_t *auxgids, int auxcount); + +extern void +nfs_request_user_init(nfs_user_t *nfu, rpcsvc_request_t *req); + +extern void +nfs_request_primary_user_init(nfs_user_t *nfu, rpcsvc_request_t *req, uid_t uid, + gid_t gid); +extern int +nfs_subvolume_started(struct nfs_state *nfs, xlator_t *xl); + +extern void +nfs_fix_groups(xlator_t *this, call_stack_t *root); +#endif |