1 files changed, 125 insertions, 0 deletions
diff --git a/libglusterfs/src/gfdb/gfdb_data_store_helper.h b/libglusterfs/src/gfdb/gfdb_data_store_helper.h
new file mode 100644
index 00000000000..fe9fbba8795
--- /dev/null
+++ b/libglusterfs/src/gfdb/gfdb_data_store_helper.h
@@ -0,0 +1,125 @@
+/*
+   Copyright (c) 2015 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 __GFDB_DATA_STORE_HELPER_H
+#define __GFDB_DATA_STORE_HELPER_H
+
+#include <time.h>
+#include <sys/time.h>
+#include <string.h>
+
+#include "common-utils.h"
+#include "compat-uuid.h"
+#include "gfdb_mem-types.h"
+#include "dict.h"
+#include "byte-order.h"
+#include "libglusterfs-messages.h"
+
+
+#define GFDB_DATA_STORE               "gfdbdatastore"
+
+/*******************************************************************************
+ *
+ *                     Query related data structure and functions
+ *
+ * ****************************************************************************/
+
+#ifdef NAME_MAX
+#define GF_NAME_MAX NAME_MAX
+#else
+#define GF_NAME_MAX 255
+#endif
+
+/*Structure to hold the link information*/
+typedef struct gfdb_link_info {
+        uuid_t                          pargfid;
+        char                            file_name[GF_NAME_MAX];
+        struct list_head                list;
+} gfdb_link_info_t;
+
+
+/*Create a single link info structure*/
+gfdb_link_info_t *gfdb_link_info_new ();
+typedef gfdb_link_info_t *(*gfdb_link_info_new_t) ();
+
+/*Destroy a link info structure*/
+void
+gfdb_link_info_free (gfdb_link_info_t *gfdb_link_info);
+typedef void
+(*gfdb_link_info_free_t) (gfdb_link_info_t *gfdb_link_info);
+
+
+
+
+
+/*Structure used for querying purpose*/
+typedef struct gfdb_query_record {
+        uuid_t                          gfid;
+        /*This is the hardlink list*/
+        struct list_head                link_list;
+        int                             link_count;
+} gfdb_query_record_t;
+
+
+
+/* Function to create the query_record */
+gfdb_query_record_t *
+gfdb_query_record_new();
+typedef gfdb_query_record_t *
+(*gfdb_query_record_new_t)();
+
+
+
+
+/* Fuction to add linkinfo to query record */
+int
+gfdb_add_link_to_query_record (gfdb_query_record_t      *gfdb_query_record,
+                           uuid_t                   pgfid,
+                           char               *base_name);
+typedef int
+(*gfdb_add_link_to_query_record_t) (gfdb_query_record_t *, uuid_t, char *);
+
+
+
+
+/*Function to destroy query record*/
+void
+gfdb_query_record_free (gfdb_query_record_t *gfdb_query_record);
+typedef void
+(*gfdb_query_record_free_t) (gfdb_query_record_t *);
+
+
+
+
+
+
+/* Function to write query record to file */
+int
+gfdb_write_query_record (int fd,
+                        gfdb_query_record_t *gfdb_query_record);
+typedef int
+(*gfdb_write_query_record_t) (int, gfdb_query_record_t *);
+
+
+
+
+
+/* Function to read query record from file.
+ * Allocates memory to query record and return 0 when successful
+ * Return -1 when failed.
+ * Return 0 when EOF.
+ * */
+int
+gfdb_read_query_record (int fd,
+                        gfdb_query_record_t **gfdb_query_record);
+typedef int
+(*gfdb_read_query_record_t) (int, gfdb_query_record_t **);
+
+
+#endif
+\ No newline at end of file