v2[PATCH BUG:1286] glusterd: Regain volume state upon re-start

Signed-off-by: Vijay Bellur <vijay@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 1286 ()
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1286

1 files changed, 90 insertions, 0 deletions

diff --git a/xlators/mgmt/glusterd/src/glusterd-store.h b/xlators/mgmt/glusterd/src/glusterd-store.h
new file mode 100644
index 00000000000..c3be21502af
--- /dev/null
+++ b/xlators/mgmt/glusterd/src/glusterd-store.h
@@ -0,0 +1,90 @@
+/*
+  Copyright (c) 2006-2010 Gluster, Inc. <http://www.gluster.com>
+  This file is part of GlusterFS.
+
+  GlusterFS is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published
+  by the Free Software Foundation; either version 3 of the License,
+  or (at your option) any later version.
+
+  GlusterFS is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _GLUSTERD_HA_H_
+#define _GLUSTERD_HA_H_
+
+#ifndef _CONFIG_H
+#define _CONFIG_H
+#include "config.h"
+#endif
+
+#include <pthread.h>
+#include "uuid.h"
+
+#include "glusterfs.h"
+#include "xlator.h"
+#include "logging.h"
+#include "call-stub.h"
+#include "fd.h"
+#include "byte-order.h"
+#include "glusterd.h"
+#include "rpcsvc.h"
+
+
+#define GLUSTERD_STORE_UUID_KEY  "UUID"
+
+#define GLUSTERD_STORE_KEY_VOL_TYPE "type"
+#define GLUSTERD_STORE_KEY_VOL_COUNT "count"
+#define GLUSTERD_STORE_KEY_VOL_STATUS "status"
+#define GLUSTERD_STORE_KEY_VOL_PORT   "port"
+#define GLUSTERD_STORE_KEY_VOL_SUB_COUNT   "sub_count"
+#define GLUSTERD_STORE_KEY_VOL_BRICK  "brick"
+
+#define GLUSTERD_STORE_KEY_BRICK_HOSTNAME "hostname"
+#define GLUSTERD_STORE_KEY_BRICK_PATH "path"
+
+#define glusterd_for_each_entry(entry, dir) \
+        do {\
+                entry = readdir (dir);\
+                while (entry && (!strcmp (entry->d_name, ".") ||\
+                    !strcmp (entry->d_name, ".."))) {\
+                        entry = readdir (dir);\
+                }\
+        } while (0); \
+
+int32_t
+glusterd_store_create_volume (glusterd_volinfo_t *volinfo);
+
+int32_t
+glusterd_store_delete_volume (glusterd_volinfo_t *volinfo);
+
+int32_t
+glusterd_store_uuid ();
+
+int32_t
+glusterd_store_handle_new (char *path, glusterd_store_handle_t **handle);
+
+int32_t
+glusterd_store_save_value (glusterd_store_handle_t *handle,
+                           char *key, char *value);
+
+int32_t
+glusterd_store_retrieve_value (glusterd_store_handle_t *handle,
+                               char *key, char **value);
+
+int32_t
+glusterd_store_update_volume (glusterd_volinfo_t *volinfo);
+
+int32_t
+glusterd_retrieve_uuid ();
+
+int32_t
+glusterd_restore ();
+#endif