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-rw-r--r--libglusterfs/src/generator.py476
1 files changed, 476 insertions, 0 deletions
diff --git a/libglusterfs/src/generator.py b/libglusterfs/src/generator.py
new file mode 100644
index 00000000000..436c314578a
--- /dev/null
+++ b/libglusterfs/src/generator.py
@@ -0,0 +1,476 @@
+#!/usr/bin/python
+
+import string
+
+ops = {}
+
+ops['fgetxattr'] = (
+ ('fop-arg', 'fd', 'fd_t *'),
+ ('fop-arg', 'name', 'const char *'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'dict', 'dict_t *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['fsetxattr'] = (
+ ('fop-arg', 'fd', 'fd_t *'),
+ ('fop-arg', 'dict', 'dict_t *'),
+ ('fop-arg', 'flags', 'int32_t'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['setxattr'] = (
+ ('fop-arg', 'loc', 'loc_t *'),
+ ('fop-arg', 'dict', 'dict_t *'),
+ ('fop-arg', 'flags', 'int32_t'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['statfs'] = (
+ ('fop-arg', 'loc', 'loc_t *'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'buf', 'struct statvfs *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['fsyncdir'] = (
+ ('fop-arg', 'fd', 'fd_t *'),
+ ('fop-arg', 'flags', 'int32_t'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['opendir'] = (
+ ('fop-arg', 'loc', 'loc_t *'),
+ ('fop-arg', 'fd', 'fd_t *'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'fd', 'fd_t *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['fstat'] = (
+ ('fop-arg', 'fd', 'fd_t *'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'buf', 'struct iatt *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['fsync'] = (
+ ('fop-arg', 'fd', 'fd_t *'),
+ ('fop-arg', 'flags', 'int32_t'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'prebuf', 'struct iatt *'),
+ ('cbk-arg', 'postbuf', 'struct iatt *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['flush'] = (
+ ('fop-arg', 'fd', 'fd_t *'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['writev'] = (
+ ('fop-arg', 'fd', 'fd_t *'),
+ ('fop-arg', 'vector', 'struct iovec *'),
+ ('fop-arg', 'count', 'int32_t'),
+ ('fop-arg', 'off', 'off_t'),
+ ('fop-arg', 'flags', 'uint32_t'),
+ ('fop-arg', 'iobref', 'struct iobref *'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'prebuf', 'struct iatt *'),
+ ('cbk-arg', 'postbuf', 'struct iatt *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['readv'] = (
+ ('fop-arg', 'fd', 'fd_t *'),
+ ('fop-arg', 'size', 'size_t'),
+ ('fop-arg', 'offset', 'off_t'),
+ ('fop-arg', 'flags', 'uint32_t'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'vector', 'struct iovec *'),
+ ('cbk-arg', 'count', 'int32_t'),
+ ('cbk-arg', 'stbuf', 'struct iatt *'),
+ ('cbk-arg', 'iobref', 'struct iobref *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['open'] = (
+ ('fop-arg', 'loc', 'loc_t *'),
+ ('fop-arg', 'flags', 'int32_t'),
+ ('fop-arg', 'fd', 'fd_t *'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'fd', 'fd_t *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['create'] = (
+ ('fop-arg', 'loc', 'loc_t *'),
+ ('fop-arg', 'flags', 'int32_t'),
+ ('fop-arg', 'mode', 'mode_t'),
+ ('fop-arg', 'umask', 'mode_t'),
+ ('fop-arg', 'fd', 'fd_t *'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'fd', 'fd_t *'),
+ ('cbk-arg', 'inode', 'inode_t *'),
+ ('cbk-arg', 'buf', 'struct iatt *'),
+ ('cbk-arg', 'preparent', 'struct iatt *'),
+ ('cbk-arg', 'postparent', 'struct iatt *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['link'] = (
+ ('fop-arg', 'oldloc', 'loc_t *'),
+ ('fop-arg', 'newloc', 'loc_t *'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'inode', 'inode_t *'),
+ ('cbk-arg', 'buf', 'struct iatt *'),
+ ('cbk-arg', 'preparent', 'struct iatt *'),
+ ('cbk-arg', 'postparent', 'struct iatt *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['rename'] = (
+ ('fop-arg', 'oldloc', 'loc_t *'),
+ ('fop-arg', 'newloc', 'loc_t *'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'buf', 'struct iatt *'),
+ ('cbk-arg', 'preoldparent', 'struct iatt *'),
+ ('cbk-arg', 'postoldparent','struct iatt *'),
+ ('cbk-arg', 'prenewparent', 'struct iatt *'),
+ ('cbk-arg', 'postnewparent','struct iatt *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['symlink'] = (
+ ('fop-arg', 'linkpath', 'const char *'),
+ ('fop-arg', 'loc', 'loc_t *'),
+ ('fop-arg', 'umask', 'mode_t'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'inode', 'inode_t *'),
+ ('cbk-arg', 'buf', 'struct iatt *'),
+ ('cbk-arg', 'preparent', 'struct iatt *'),
+ ('cbk-arg', 'postparent', 'struct iatt *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['rmdir'] = (
+ ('fop-arg', 'loc', 'loc_t *'),
+ ('fop-arg', 'flags', 'int32_t'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'preparent', 'struct iatt *'),
+ ('cbk-arg', 'postparent', 'struct iatt *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['unlink'] = (
+ ('fop-arg', 'loc', 'loc_t *'),
+ ('fop-arg', 'flags', 'int32_t'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'preparent', 'struct iatt *'),
+ ('cbk-arg', 'postparent', 'struct iatt *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['mkdir'] = (
+ ('fop-arg', 'loc', 'loc_t *'),
+ ('fop-arg', 'mode', 'mode_t'),
+ ('fop-arg', 'umask', 'mode_t'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'inode', 'inode_t *'),
+ ('cbk-arg', 'buf', 'struct iatt *'),
+ ('cbk-arg', 'preparent', 'struct iatt *'),
+ ('cbk-arg', 'postparent', 'struct iatt *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['mknod'] = (
+ ('fop-arg', 'loc', 'loc_t *'),
+ ('fop-arg', 'mode', 'mode_t'),
+ ('fop-arg', 'rdev', 'dev_t'),
+ ('fop-arg', 'umask', 'mode_t'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'inode', 'inode_t *'),
+ ('cbk-arg', 'buf', 'struct iatt *'),
+ ('cbk-arg', 'preparent', 'struct iatt *'),
+ ('cbk-arg', 'postparent', 'struct iatt *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['readlink'] = (
+ ('fop-arg', 'loc', 'loc_t *'),
+ ('fop-arg', 'size', 'size_t'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'path', 'const char *'),
+ ('cbk-arg', 'buf', 'struct iatt *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['access'] = (
+ ('fop-arg', 'loc', 'loc_t *'),
+ ('fop-arg', 'mask', 'int32_t'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['ftruncate'] = (
+ ('fop-arg', 'fd', 'fd_t *'),
+ ('fop-arg', 'offset', 'off_t'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'prebuf', 'struct iatt *'),
+ ('cbk-arg', 'postbuf', 'struct iatt *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['getxattr'] = (
+ ('fop-arg', 'loc', 'loc_t *'),
+ ('fop-arg', 'name', 'const char *'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'dict', 'dict_t *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['xattrop'] = (
+ ('fop-arg', 'loc', 'loc_t *'),
+ ('fop-arg', 'flags', 'gf_xattrop_flags_t'),
+ ('fop-arg', 'dict', 'dict_t *'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'dict', 'dict_t *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['fxattrop'] = (
+ ('fop-arg', 'fd', 'fd_t *'),
+ ('fop-arg', 'flags', 'gf_xattrop_flags_t'),
+ ('fop-arg', 'dict', 'dict_t *'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'dict', 'dict_t *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['removexattr'] = (
+ ('fop-arg', 'loc', 'loc_t *'),
+ ('fop-arg', 'name', 'const char *'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['fremovexattr'] = (
+ ('fop-arg', 'fd', 'fd_t *'),
+ ('fop-arg', 'name', 'const char *'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['lk'] = (
+ ('fop-arg', 'fd', 'fd_t *'),
+ ('fop-arg', 'cmd', 'int32_t'),
+ ('fop-arg', 'lock', 'struct gf_flock *'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'lock', 'struct gf_flock *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['inodelk'] = (
+ ('fop-arg', 'volume', 'const char *'),
+ ('fop-arg', 'loc', 'loc_t *'),
+ ('fop-arg', 'cmd', 'int32_t'),
+ ('fop-arg', 'lock', 'struct gf_flock *'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['finodelk'] = (
+ ('fop-arg', 'volume', 'const char *'),
+ ('fop-arg', 'fd', 'fd_t *'),
+ ('fop-arg', 'cmd', 'int32_t'),
+ ('fop-arg', 'lock', 'struct gf_flock *'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['entrylk'] = (
+ ('fop-arg', 'volume', 'const char *'),
+ ('fop-arg', 'loc', 'loc_t *'),
+ ('fop-arg', 'basename', 'const char *'),
+ ('fop-arg', 'cmd', 'entrylk_cmd'),
+ ('fop-arg', 'type', 'entrylk_type'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['fentrylk'] = (
+ ('fop-arg', 'volume', 'const char *'),
+ ('fop-arg', 'fd', 'fd_t *'),
+ ('fop-arg', 'basename', 'const char *'),
+ ('fop-arg', 'cmd', 'entrylk_cmd'),
+ ('fop-arg', 'type', 'entrylk_type'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['rchecksum'] = (
+ ('fop-arg', 'fd', 'fd_t *'),
+ ('fop-arg', 'offset', 'off_t'),
+ ('fop-arg', 'len', 'int32_t'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'weak_cksum', 'uint32_t'),
+ ('cbk-arg', 'strong_cksum', 'uint8_t *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['readdir'] = (
+ ('fop-arg', 'fd', 'fd_t *'),
+ ('fop-arg', 'size', 'size_t'),
+ ('fop-arg', 'off', 'off_t'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'entries', 'gf_dirent_t *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['readdirp'] = (
+ ('fop-arg', 'fd', 'fd_t *'),
+ ('fop-arg', 'size', 'size_t'),
+ ('fop-arg', 'off', 'off_t'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'entries', 'gf_dirent_t *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['setattr'] = (
+ ('fop-arg', 'loc', 'loc_t *'),
+ ('fop-arg', 'stbuf', 'struct iatt *'),
+ ('fop-arg', 'valid', 'int32_t'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'statpre', 'struct iatt *'),
+ ('cbk-arg', 'statpost', 'struct iatt *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['truncate'] = (
+ ('fop-arg', 'loc', 'loc_t *'),
+ ('fop-arg', 'offset', 'off_t'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'prebuf', 'struct iatt *'),
+ ('cbk-arg', 'postbuf', 'struct iatt *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['stat'] = (
+ ('fop-arg', 'loc', 'loc_t *'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'buf', 'struct iatt *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['lookup'] = (
+ ('fop-arg', 'loc', 'loc_t *'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'inode', 'inode_t *'),
+ ('cbk-arg', 'buf', 'struct iatt *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+ # We could add xdata everywhere automatically if somebody hadn't put
+ # something after it here.
+ ('cbk-arg', 'postparent', 'struct iatt *'),
+)
+
+ops['fsetattr'] = (
+ ('fop-arg', 'fd', 'fd_t *'),
+ ('fop-arg', 'stbuf', 'struct iatt *'),
+ ('fop-arg', 'valid', 'int32_t'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'statpre', 'struct iatt *'),
+ ('cbk-arg', 'statpost', 'struct iatt *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['fallocate'] = (
+ ('fop-arg', 'fd', 'fd_t *'),
+ ('fop-arg', 'keep_size', 'int32_t'),
+ ('fop-arg', 'offset', 'off_t'),
+ ('fop-arg', 'len', 'size_t'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'pre', 'struct iatt *'),
+ ('cbk-arg', 'post', 'struct iatt *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['discard'] = (
+ ('fop-arg', 'fd', 'fd_t *'),
+ ('fop-arg', 'offset', 'off_t'),
+ ('fop-arg', 'len', 'size_t'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'pre', 'struct iatt *'),
+ ('cbk-arg', 'post', 'struct iatt *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['zerofill'] = (
+ ('fop-arg', 'fd', 'fd_t *'),
+ ('fop-arg', 'offset', 'off_t'),
+ # As e.g. fallocate/discard (above) "len" should really be a size_t.
+ ('fop-arg', 'len', 'off_t'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'pre', 'struct iatt *'),
+ ('cbk-arg', 'post', 'struct iatt *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['ipc'] = (
+ ('fop-arg', 'op', 'int32_t'),
+ ('fop-arg', 'xdata', 'dict_t *'),
+ ('cbk-arg', 'xdata', 'dict_t *'),
+)
+
+ops['getspec'] = (
+ ('fop-arg', 'key', 'const char *'),
+ ('fop-arg', 'flags', 'int32_t'),
+ ('cbk-arg', 'spec_data', 'char *'),
+)
+
+def get_error_arg (type_str):
+ if type_str.find(" *") != -1:
+ return "NULL"
+ return "-1"
+
+def get_subs (names, types):
+ sdict = {}
+ sdict["@SHORT_ARGS@"] = string.join(names,", ")
+ # Convert two separate tuples to one of (name, type) sub-tuples.
+ as_tuples = zip(types,names)
+ # Convert each sub-tuple into a "type name" string.
+ as_strings = map(string.join,as_tuples)
+ # Join all of those into one big string.
+ sdict["@LONG_ARGS@"] = string.join(as_strings,",\n\t")
+ # So much more readable than string.join(map(string.join,zip(...))))
+ sdict["@ERROR_ARGS@"] = string.join(map(get_error_arg,types),", ")
+ return sdict
+
+def generate (tmpl, name, subs):
+ text = tmpl.replace("@NAME@",name)
+ for old, new in subs[name].iteritems():
+ text = text.replace(old,new)
+ # TBD: reindent/reformat the result for maximum readability.
+ return text
+
+fop_subs = {}
+cbk_subs = {}
+
+for name, args in ops.iteritems():
+
+ # Create the necessary substitution strings for fops.
+ arg_names = [ a[1] for a in args if a[0] == 'fop-arg']
+ arg_types = [ a[2] for a in args if a[0] == 'fop-arg']
+ fop_subs[name] = get_subs(arg_names,arg_types)
+
+ # Same thing for callbacks.
+ arg_names = [ a[1] for a in args if a[0] == 'cbk-arg']
+ arg_types = [ a[2] for a in args if a[0] == 'cbk-arg']
+ cbk_subs[name] = get_subs(arg_names,arg_types)
+
+ # Callers can add other subs to these tables, or even create their
+ # own tables, using these same techniques, and then pass the result
+ # to generate() which would Do The Right Thing with them.