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authorKrishnan Parthasarathi <kparthas@redhat.com>2013-03-01 16:18:26 +0530
committerVijay Bellur <vbellur@redhat.com>2013-06-05 05:32:21 -0700
commit31f58221811cf901f02059a4751b20483d26d79d (patch)
treef4d9d32a138aa5049bdf5fa9fc0fbdda0b1dc82e /xlators/playground
parent68a97ece53ec1da205a4da6da5d9d7f8b58b3f5e (diff)
template: A minimal example xlator to build on
This xlator is intended to save new GlusterFS developers from fighting it with autotools. How to add template xl onto the xlator graph? [..] volname-template type testing/features/template subvolumes volname-dht end-volume [..] Change-Id: If513284bb590be7c3b093054108dba2883064190 BUG: 916985 Signed-off-by: Krishnan Parthasarathi <kparthas@redhat.com> Reviewed-on: http://review.gluster.org/4604 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
Diffstat (limited to 'xlators/playground')
-rw-r--r--xlators/playground/Makefile.am2
-rw-r--r--xlators/playground/template/Makefile.am2
-rw-r--r--xlators/playground/template/src/Makefile.am16
-rw-r--r--xlators/playground/template/src/template.c49
-rw-r--r--xlators/playground/template/src/template.h24
5 files changed, 93 insertions, 0 deletions
diff --git a/xlators/playground/Makefile.am b/xlators/playground/Makefile.am
new file mode 100644
index 0000000..e7de6b3
--- /dev/null
+++ b/xlators/playground/Makefile.am
@@ -0,0 +1,2 @@
+SUBDIRS = template
+CLEANFILES =
diff --git a/xlators/playground/template/Makefile.am b/xlators/playground/template/Makefile.am
new file mode 100644
index 0000000..f268924
--- /dev/null
+++ b/xlators/playground/template/Makefile.am
@@ -0,0 +1,2 @@
+SUBDIRS = src
+
diff --git a/xlators/playground/template/src/Makefile.am b/xlators/playground/template/src/Makefile.am
new file mode 100644
index 0000000..21f1c5f
--- /dev/null
+++ b/xlators/playground/template/src/Makefile.am
@@ -0,0 +1,16 @@
+xlator_LTLIBRARIES = template.la
+xlatordir = $(libdir)/glusterfs/$(PACKAGE_VERSION)/xlator/testing/features
+
+template_la_LDFLAGS = -module -avoid-version
+
+template_la_SOURCES = template.c
+template_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la
+
+noinst_HEADERS = template.h
+
+AM_CPPFLAGS = $(GF_CPPFLAGS) -I$(top_srcdir)/libglusterfs/src
+
+AM_CFLAGS = -Wall $(GF_CFLAGS)
+
+CLEANFILES =
+
diff --git a/xlators/playground/template/src/template.c b/xlators/playground/template/src/template.c
new file mode 100644
index 0000000..37a7794
--- /dev/null
+++ b/xlators/playground/template/src/template.c
@@ -0,0 +1,49 @@
+/*
+ Copyright (c) 2006-2012 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 _CONFIG_H
+#define _CONFIG_H
+#include "config.h"
+#endif
+
+#include "template.h"
+
+int32_t
+init (xlator_t *this)
+{
+
+ if (!this->children || this->children->next) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "not configured with exactly one child. exiting");
+ return -1;
+ }
+
+ if (!this->parents) {
+ gf_log (this->name, GF_LOG_WARNING,
+ "dangling volume. check volfile ");
+ }
+
+ return 0;
+}
+
+void
+fini (xlator_t *this)
+{
+ return;
+}
+
+struct xlator_fops fops = {
+};
+
+struct xlator_cbks cbks = {
+};
+
+struct volume_options options[] = {
+ { .key = {NULL} },
+};
diff --git a/xlators/playground/template/src/template.h b/xlators/playground/template/src/template.h
new file mode 100644
index 0000000..d6aced5
--- /dev/null
+++ b/xlators/playground/template/src/template.h
@@ -0,0 +1,24 @@
+/*
+ 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 __TEMPLATE_H__
+#define __TEMPLATE_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"
+
+#endif /* __TEMPLATE_H__ */