summaryrefslogtreecommitdiffstats
path: root/libglusterfs/src/glusterfs/store.h
diff options
context:
space:
mode:
Diffstat (limited to 'libglusterfs/src/glusterfs/store.h')
-rw-r--r--libglusterfs/src/glusterfs/store.h109
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