diff options
Diffstat (limited to 'libglusterfs/src/glusterfs/client_t.h')
-rw-r--r-- | libglusterfs/src/glusterfs/client_t.h | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/libglusterfs/src/glusterfs/client_t.h b/libglusterfs/src/glusterfs/client_t.h new file mode 100644 index 00000000000..29f50daf03b --- /dev/null +++ b/libglusterfs/src/glusterfs/client_t.h @@ -0,0 +1,139 @@ +/* + Copyright (c) 2008-2012 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 _CLIENT_T_H +#define _CLIENT_T_H + +#include "glusterfs/glusterfs.h" +#include "glusterfs/locking.h" /* for gf_lock_t, not included by glusterfs.h */ +#include "glusterfs/atomic.h" /* for gf_atomic_t */ + +struct client_ctx { + void *ctx_key; + void *ctx_value; +}; + +typedef struct _client { + struct { + /* e.g. protocol/server stashes its ctx here */ + gf_lock_t lock; + unsigned short count; + struct client_ctx *ctx; + } scratch_ctx; + gf_atomic_t bind; + gf_atomic_t count; + xlator_t *bound_xl; + xlator_t *this; + int tbl_index; + char *client_uid; + char *client_name; + struct { + int flavour; + size_t len; + char *data; + char *username; + char *passwd; + } auth; + + /* subdir_mount */ + char *subdir_mount; + inode_t *subdir_inode; + uuid_t subdir_gfid; + int32_t opversion; +} client_t; + +#define GF_CLIENTCTX_INITIAL_SIZE 8 + +struct client_table_entry { + client_t *client; + int next_free; +}; +typedef struct client_table_entry cliententry_t; + +struct clienttable { + unsigned int max_clients; + gf_lock_t lock; + cliententry_t *cliententries; + int first_free; + client_t *local; +}; +typedef struct clienttable clienttable_t; + +#define GF_CLIENTTABLE_INITIAL_SIZE 128 + +/* Signifies no more entries in the client table. */ +#define GF_CLIENTTABLE_END -1 + +/* This is used to invalidate + * the next_free value in an cliententry that has been allocated + */ +#define GF_CLIENTENTRY_ALLOCATED -2 + +struct rpcsvc_auth_data; + +client_t * +gf_client_get(xlator_t *this, struct rpcsvc_auth_data *cred, char *client_uid, + char *subdir_mount); + +void +gf_client_put(client_t *client, gf_boolean_t *detached); + +clienttable_t * +gf_clienttable_alloc(void); + +void +gf_client_clienttable_destroy(clienttable_t *clienttable); + +client_t * +gf_client_ref(client_t *client); + +void +gf_client_unref(client_t *client); + +int +gf_client_dump_fdtable_to_dict(xlator_t *this, dict_t *dict); + +int +gf_client_dump_fdtable(xlator_t *this); + +int +gf_client_dump_inodes_to_dict(xlator_t *this, dict_t *dict); + +int +gf_client_dump_inodes(xlator_t *this); + +void * +client_ctx_set(client_t *client, void *key, void *value); + +int +client_ctx_get(client_t *client, void *key, void **value); + +int +client_ctx_del(client_t *client, void *key, void **value); + +void +client_ctx_dump(client_t *client, char *prefix); + +int +gf_client_dump_fdtables_to_dict(xlator_t *this, dict_t *dict); + +int +gf_client_dump_fdtables(xlator_t *this); + +int +gf_client_dump_inodes_to_dict(xlator_t *this, dict_t *dict); + +int +gf_client_dump_inodes(xlator_t *this); + +int +gf_client_disconnect(client_t *client); + +#endif /* _CLIENT_T_H */ |