From bc27b7a9e44f2af647b87ab393b0fd1cacd211cf Mon Sep 17 00:00:00 2001 From: Niels de Vos Date: Fri, 15 Mar 2013 10:26:53 +0100 Subject: store: move glusterd_store functions from mgmt/glusterd to libglusterfs Making the glusterd_store_* functions re-usable will help with future changes that need to read/write lists of items. BUG: 904065 Change-Id: I99fb8eced76d12d5a254567eccff9790b43d8da3 Signed-off-by: Niels de Vos Reviewed-on: http://review.gluster.org/4676 Reviewed-by: Krishnan Parthasarathi Tested-by: Gluster Build System Reviewed-by: Vijay Bellur --- libglusterfs/src/store.h | 103 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 103 insertions(+) create mode 100644 libglusterfs/src/store.h (limited to 'libglusterfs/src/store.h') diff --git a/libglusterfs/src/store.h b/libglusterfs/src/store.h new file mode 100644 index 00000000000..8138b4cd9bd --- /dev/null +++ b/libglusterfs/src/store.h @@ -0,0 +1,103 @@ +/* + Copyright (c) 2013 Red Hat, Inc. + 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_ + +#ifndef _CONFIG_H +#define _CONFIG_H +#include "config.h" +#endif + +#include "glusterfs.h" + +struct gf_store_handle_ { + char *path; + int fd; + FILE *read; +}; + +typedef struct gf_store_handle_ gf_store_handle_t; + +struct gf_store_iter_ { + int fd; + 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, 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 (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); + +#endif -- cgit