mgmt/glusterd: generate volfile for BitD

* Implement the skeleton of bit-rot xlator.

Original-Author: Raghavendra Bhat <raghavendra@redhat.com>
Signed-off-by: Venky Shankar <vshankar@redhat.com>
Signed-off-by: Gaurav Kumar Garg <ggarg@redhat.com>
Signed-off-by: Anand Nekkunti <anekkunt@redhat.com>
Change-Id: If33218bdc694f5f09cb7b8097c4fdb74d7a23b2d
BUG: 1170075
Reviewed-on: http://review.gluster.org/9710
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
Tested-by: Vijay Bellur <vbellur@redhat.com>

4 files changed, 163 insertions, 0 deletions

diff --git a/xlators/features/bit-rot/src/Makefile.am b/xlators/features/bit-rot/src/Makefile.am
index 7581732c7d9..1f59a71ebea 100644
--- a/xlators/features/bit-rot/src/Makefile.am
+++ b/xlators/features/bit-rot/src/Makefile.am
@@ -1 +1,18 @@
+
 SUBDIRS = stub
+
+xlator_LTLIBRARIES = bit-rot.la
+xlatordir = $(libdir)/glusterfs/$(PACKAGE_VERSION)/xlator/features
+
+bit_rot_la_LDFLAGS = -module -avoid-version
+
+bit_rot_la_SOURCES = bit-rot.c
+bit_rot_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la
+
+noinst_HEADERS = bit-rot.h bit-rot-mem-types.h
+
+AM_CPPFLAGS = $(GF_CPPFLAGS) -I$(top_srcdir)/libglusterfs/src
+
+AM_CFLAGS = -Wall $(GF_CFLAGS)
+
+CLEANFILES =
diff --git a/xlators/features/bit-rot/src/bit-rot-mem-types.h b/xlators/features/bit-rot/src/bit-rot-mem-types.h
new file mode 100644
index 00000000000..19c2aca0f8a
--- /dev/null
+++ b/xlators/features/bit-rot/src/bit-rot-mem-types.h
@@ -0,0 +1,24 @@
+/*
+   Copyright (c) 2014 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 _BR_MEM_TYPES_H
+#define _BR_MEM_TYPES_H
+
+#include "mem-types.h"
+
+enum br_mem_types {
+        gf_br_mt_br_private_t = gf_common_mt_end + 1,
+        gf_br_mt_br_local_t,
+        gf_br_mt_br_inode_t,
+        gf_br_mt_br_fd_t,
+        gf_br_mt_end
+};
+
+#endif
diff --git a/xlators/features/bit-rot/src/bit-rot.c b/xlators/features/bit-rot/src/bit-rot.c
new file mode 100644
index 00000000000..0ba8b80825b
--- /dev/null
+++ b/xlators/features/bit-rot/src/bit-rot.c
@@ -0,0 +1,89 @@
+/*
+   Copyright (c) 2014 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.
+*/
+
+#include <ctype.h>
+#include <sys/uio.h>
+
+#ifndef _CONFIG_H
+#define _CONFIG_H
+#include "config.h"
+#endif
+
+#include "glusterfs.h"
+#include "xlator.h"
+#include "logging.h"
+
+#include "bit-rot.h"
+#include "bit-rot-mem-types.h"
+
+int32_t
+mem_acct_init (xlator_t *this)
+{
+        int32_t     ret = -1;
+
+        if (!this)
+                return ret;
+
+        ret = xlator_mem_acct_init (this, gf_br_mt_end + 1);
+
+        if (ret != 0) {
+                gf_log (this->name, GF_LOG_WARNING, "Memory accounting"
+                        " init failed");
+                return ret;
+        }
+
+        return ret;
+}
+
+int32_t
+init (xlator_t *this)
+{
+	br_private_t *priv = NULL;
+        int32_t   ret = -1;
+
+	if (!this->children) {
+		gf_log (this->name, GF_LOG_ERROR,
+			"FATAL: no children");
+		goto out;
+	}
+
+        priv = GF_CALLOC (1, sizeof (*priv), gf_br_mt_br_private_t);
+        if (!priv)
+                goto out;
+
+	this->private = priv;
+
+        ret = 0;
+
+out:
+        gf_log (this->name, GF_LOG_DEBUG, "bit-rot xlator loaded");
+	return ret;
+}
+
+void
+fini (xlator_t *this)
+{
+	br_private_t *priv = this->private;
+
+        if (!priv)
+                return;
+        this->private = NULL;
+	GF_FREE (priv);
+
+	return;
+}
+
+struct xlator_fops fops;
+
+struct xlator_cbks cbks;
+
+struct volume_options options[] = {
+	{ .key  = {NULL} },
+};
diff --git a/xlators/features/bit-rot/src/bit-rot.h b/xlators/features/bit-rot/src/bit-rot.h
new file mode 100644
index 00000000000..b275c0e9535
--- /dev/null
+++ b/xlators/features/bit-rot/src/bit-rot.h
@@ -0,0 +1,33 @@
+ /*
+   Copyright (c) 2014 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 __BIT_ROT_H__
+#define __BIT_ROT_H__
+
+#ifndef _CONFIG_H
+#define _CONFIG_H
+#include "config.h"
+#endif
+
+#include "glusterfs.h"
+#include "logging.h"
+#include "dict.h"
+#include "xlator.h"
+#include "defaults.h"
+#include "bit-rot-mem-types.h"
+#include "syncop.h"
+
+struct br_private {
+        xlator_t *xl;
+        gf_lock_t lock;
+};
+
+typedef struct br_private br_private_t;
+
+#endif /* __BIR_ROT_H__ */