extras: Ease creation of new xlators

Add a python generator that creates a template for new xlator.

Co-Authored by Jeff Darcy.

Change-Id: I10820c0483794dcd450656684cf954f7b8f159e0
Signed-off-by: Poornima G <pgurusid@redhat.com>
Reviewed-on: http://review.gluster.org/13061
Smoke: Gluster Build System <jenkins@build.gluster.com>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>

1 files changed, 112 insertions, 0 deletions

diff --git a/libglusterfs/src/generator.py b/libglusterfs/src/generator.py
index 8be68337baa..8b854b2e7f7 100755
--- a/libglusterfs/src/generator.py
+++ b/libglusterfs/src/generator.py
@@ -62,6 +62,8 @@ import string
 # proper inode_link call(s).
 
 ops = {}
+xlator_cbks = {}
+xlator_dumpops = {}
 
 ops['fgetxattr'] = (
 	('fop-arg', 'fd',			'fd_t *'),
@@ -532,6 +534,116 @@ ops['getspec'] = (
 	('cbk-arg',	'spec_data',	'char *'),
 )
 
+#####################################################################
+xlator_cbks['forget'] = (
+        ('fn-arg',      'this',        'xlator_t *'),
+        ('fn-arg',      'inode',       'inode_t *'),
+	('ret-val',     'int32_t',     '0'),
+)
+
+xlator_cbks['release'] = (
+        ('fn-arg',      'this',        'xlator_t *'),
+        ('fn-arg',      'fd',          'fd_t *'),
+        ('ret-val',     'int32_t',     '0'),
+)
+
+xlator_cbks['releasedir'] = (
+        ('fn-arg',      'this',        'xlator_t *'),
+        ('fn-arg',      'fd',          'fd_t *'),
+        ('ret-val',     'int32_t',     '0'),
+)
+
+xlator_cbks['invalidate'] = (
+        ('fn-arg',      'this',        'xlator_t *'),
+        ('fn-arg',      'inode',       'inode_t *'),
+        ('ret-val',     'int32_t',     '0'),
+)
+
+xlator_cbks['client_destroy'] = (
+        ('fn-arg',      'this',        'xlator_t *'),
+        ('fn-arg',      'client',      'client_t *'),
+        ('ret-val',     'int32_t',     '0'),
+)
+
+xlator_cbks['client_disconnect'] = (
+        ('fn-arg',      'this',        'xlator_t *'),
+        ('fn-arg',      'client',      'client_t *'),
+        ('ret-val',     'int32_t',     '0'),
+)
+
+xlator_cbks['ictxmerge'] = (
+        ('fn-arg',      'this',        'xlator_t *'),
+        ('fn-arg',      'fd',          'fd_t *'),
+        ('fn-arg',      'inode',       'inode_t *'),
+        ('fn-arg',      'linked_inode', 'inode_t *'),
+        ('ret-val',     'void',        ''),
+)
+
+#####################################################################
+xlator_dumpops['priv'] = (
+        ('fn-arg',      'this',        'xlator_t *'),
+        ('ret-val',     'int32_t',     '0'),
+)
+
+xlator_dumpops['inode'] = (
+        ('fn-arg',      'this',        'xlator_t *'),
+        ('ret-val',     'int32_t',     '0'),
+)
+
+xlator_dumpops['fd'] = (
+        ('fn-arg',      'this',        'xlator_t *'),
+        ('ret-val',     'int32_t',     '0'),
+)
+
+xlator_dumpops['inodectx'] = (
+        ('fn-arg',      'this',        'xlator_t *'),
+        ('fn-arg',      'ino',         'inode_t *'),
+        ('ret-val',     'int32_t',     '0'),
+)
+
+xlator_dumpops['fdctx'] = (
+        ('fn-arg',      'this',        'xlator_t *'),
+        ('fn-arg',      'fd',          'fd_t *'),
+        ('ret-val',     'int32_t',     '0'),
+)
+
+xlator_dumpops['priv_to_dict'] = (
+        ('fn-arg',      'this',        'xlator_t *'),
+        ('fn-arg',      'dict',        'dict_t *'),
+        ('ret-val',     'int32_t',     '0'),
+)
+
+xlator_dumpops['inode_to_dict'] = (
+        ('fn-arg',      'this',        'xlator_t *'),
+        ('fn-arg',      'dict',        'dict_t *'),
+        ('ret-val',     'int32_t',     '0'),
+)
+
+xlator_dumpops['fd_to_dict'] = (
+        ('fn-arg',      'this',        'xlator_t *'),
+        ('fn-arg',      'dict',        'dict_t *'),
+        ('ret-val',     'int32_t',     '0'),
+)
+
+xlator_dumpops['inodectx_to_dict'] = (
+        ('fn-arg',      'this',        'xlator_t *'),
+        ('fn-arg',      'ino',         'inode_t *'),
+        ('fn-arg',      'dict',        'dict_t *'),
+        ('ret-val',     'int32_t',     '0'),
+)
+
+xlator_dumpops['fdctx_to_dict'] = (
+        ('fn-arg',      'this',        'xlator_t *'),
+        ('fn-arg',      'fd',          'fd_t *'),
+        ('fn-arg',      'dict',        'dict_t *'),
+        ('ret-val',     'int32_t',     '0'),
+)
+
+xlator_dumpops['history'] = (
+        ('fn-arg',      'this',        'xlator_t *'),
+        ('ret-val',     'int32_t',     '0'),
+)
+
 def get_error_arg (type_str):
 	if type_str.find(" *") != -1:
 		return "NULL"