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Diffstat (limited to 'libglusterfs/src/glusterfs/store.h')
-rw-r--r-- | libglusterfs/src/glusterfs/store.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/libglusterfs/src/glusterfs/store.h b/libglusterfs/src/glusterfs/store.h new file mode 100644 index 00000000000..3b3a24c38f8 --- /dev/null +++ b/libglusterfs/src/glusterfs/store.h @@ -0,0 +1,109 @@ +/* + Copyright (c) 2013 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 _GLUSTERD_STORE_H_ +#define _GLUSTERD_STORE_H_ + +#include "glusterfs/compat.h" +#include "glusterfs/glusterfs.h" + +struct gf_store_handle_ { + char *path; + int fd; + int tmp_fd; + FILE *read; + int locked; /* state of lockf() */ +}; + +typedef struct gf_store_handle_ gf_store_handle_t; + +struct gf_store_iter_ { + FILE *file; + char filepath[PATH_MAX]; +}; + +typedef struct gf_store_iter_ gf_store_iter_t; + +typedef enum { + GD_STORE_SUCCESS, + GD_STORE_KEY_NULL, + GD_STORE_VALUE_NULL, + GD_STORE_KEY_VALUE_NULL, + GD_STORE_EOF, + GD_STORE_ENOMEM, + GD_STORE_STAT_FAILED +} gf_store_op_errno_t; + +int32_t +gf_store_mkdir(char *path); + +int32_t +gf_store_handle_create_on_absence(gf_store_handle_t **shandle, char *path); + +int32_t +gf_store_mkstemp(gf_store_handle_t *shandle); + +int +gf_store_sync_direntry(char *path); + +int32_t +gf_store_rename_tmppath(gf_store_handle_t *shandle); + +int32_t +gf_store_unlink_tmppath(gf_store_handle_t *shandle); + +int +gf_store_read_and_tokenize(FILE *file, char *str, int size, char **iter_key, + char **iter_val, gf_store_op_errno_t *store_errno); + +int32_t +gf_store_retrieve_value(gf_store_handle_t *handle, char *key, char **value); + +int32_t +gf_store_save_value(int fd, char *key, char *value); + +int32_t +gf_store_handle_new(const char *path, gf_store_handle_t **handle); + +int +gf_store_handle_retrieve(char *path, gf_store_handle_t **handle); + +int32_t +gf_store_handle_destroy(gf_store_handle_t *handle); + +int32_t +gf_store_iter_new(gf_store_handle_t *shandle, gf_store_iter_t **iter); + +int32_t +gf_store_validate_key_value(char *storepath, char *key, char *val, + gf_store_op_errno_t *op_errno); + +int32_t +gf_store_iter_get_next(gf_store_iter_t *iter, char **key, char **value, + gf_store_op_errno_t *op_errno); + +int32_t +gf_store_iter_get_matching(gf_store_iter_t *iter, char *key, char **value); + +int32_t +gf_store_iter_destroy(gf_store_iter_t *iter); + +char * +gf_store_strerror(gf_store_op_errno_t op_errno); + +int +gf_store_lock(gf_store_handle_t *sh); + +void +gf_store_unlock(gf_store_handle_t *sh); + +int +gf_store_locked_local(gf_store_handle_t *sh); + +#endif |