mirror of
https://gitlab.com/libvirt/libvirt.git
synced 2024-11-05 04:41:20 +00:00
28141adfdc
Fix the syntax-check failures (which can be seen after python3-flake8-import-order package is installed) with the help of isort[1]: 289/316 libvirt:syntax-check / flake8 FAIL 5.24s exit status 2 [1]: https://pycqa.github.io/isort/ Signed-off-by: Han Han <hhan@redhat.com> Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
327 lines
10 KiB
Python
Executable File
327 lines
10 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
|
|
#
|
|
# hyperv_wmi_generator.py: generates most of the WMI type mapping code
|
|
#
|
|
# Copyright (C) 2011 Matthias Bolte <matthias.bolte@googlemail.com>
|
|
#
|
|
# This library is free software; you can redistribute it and/or
|
|
# modify it under the terms of the GNU Lesser General Public
|
|
# License as published by the Free Software Foundation; either
|
|
# version 2.1 of the License, or (at your option) any later version.
|
|
#
|
|
# This library 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
|
|
# Lesser General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Lesser General Public
|
|
# License along with this library. If not, see
|
|
# <http://www.gnu.org/licenses/>.
|
|
#
|
|
|
|
import os
|
|
import os.path
|
|
import sys
|
|
|
|
separator = "/*" + ("*" * 50) + "*\n"
|
|
wmi_classes_by_name = {}
|
|
|
|
|
|
class WmiClass:
|
|
"""Represents WMI class and provides methods to generate C code."""
|
|
|
|
def __init__(self, name, properties, uri_info):
|
|
self.name = name
|
|
self.properties = properties
|
|
self.uri_info = uri_info
|
|
|
|
def generate_classes_header(self):
|
|
"""Generate C header code and return it as string
|
|
|
|
Declares:
|
|
<class_name>_Data - used as hypervObject->data
|
|
<class_name>_TypeInfo - used as wsman XmlSerializerInfo
|
|
<class_name> - "inherits" hypervObject struct
|
|
"""
|
|
|
|
name_upper = self.name.upper()
|
|
|
|
header = separator
|
|
header += " * %s\n" % self.name
|
|
header += " */\n"
|
|
header += "\n"
|
|
header += "#define %s_WQL_SELECT \\\n" % name_upper
|
|
header += " \"SELECT * FROM %s \"\n" % self.name
|
|
header += "\n"
|
|
header += "extern hypervWmiClassInfo *%s_WmiInfo;\n\n" % self.name
|
|
|
|
header += self._declare_data_structs()
|
|
header += self._declare_hypervObject_struct()
|
|
|
|
return header
|
|
|
|
def generate_classes_source(self):
|
|
"""Returns a C code string defining wsman data structs
|
|
|
|
Defines:
|
|
<class_name>_Data struct
|
|
<class_name>_WmiInfo - list holding metadata (e.g. request URIs) for the WMI class
|
|
"""
|
|
|
|
source = separator
|
|
source += " * %s\n" % self.name
|
|
source += " */\n"
|
|
|
|
source += "SER_START_ITEMS(%s_Data)\n" % self.name
|
|
|
|
for property in self.properties:
|
|
source += property.generate_classes_source(self.name)
|
|
|
|
source += "SER_END_ITEMS(%s_Data);\n\n" % self.name
|
|
|
|
# also generate typemap data while we're here
|
|
source += "hypervCimType %s_Typemap[] = {\n" % self.name
|
|
|
|
for property in self.properties:
|
|
source += property.generate_typemap()
|
|
source += ' { "", "", 0 },\n' # null terminated
|
|
source += '};\n\n'
|
|
|
|
source += self._define_WmiInfo_struct()
|
|
source += "\n\n"
|
|
|
|
return source
|
|
|
|
def generate_classes_typedef(self):
|
|
"""Returns C string for typedefs"""
|
|
|
|
typedef = "typedef struct _%s %s;\n" % (self.name, self.name)
|
|
typedef += "typedef struct _%s_Data %s_Data;\n" % (self.name, self.name)
|
|
typedef += "G_DEFINE_AUTOPTR_CLEANUP_FUNC(%s, hypervFreeObject);\n" % self.name
|
|
typedef += "\n"
|
|
|
|
return typedef
|
|
|
|
def _declare_data_structs(self):
|
|
"""Returns string C code declaring data structs.
|
|
|
|
The *_Data structs are used as hypervObject->data. Each one has
|
|
corresponding *_TypeInfo that is used for wsman unserialization of
|
|
response XML into the *_Data structs.
|
|
"""
|
|
|
|
header = "#define %s_RESOURCE_URI \\\n" % self.name.upper()
|
|
header += " \"%s\"\n" % self.uri_info.resourceUri
|
|
header += "\n"
|
|
header += "struct _%s_Data {\n" % self.name
|
|
for property in self.properties:
|
|
header += property.generate_classes_header()
|
|
header += "};\n\n"
|
|
header += "SER_DECLARE_TYPE(%s_Data);\n" % self.name
|
|
|
|
return header
|
|
|
|
def _declare_hypervObject_struct(self):
|
|
"""Return string for C code declaring hypervObject instance"""
|
|
|
|
header = "\n/* must match hypervObject */\n"
|
|
header += "struct _%s {\n" % self.name
|
|
header += " %s_Data *data;\n" % self.name
|
|
header += " hypervWmiClassInfo *info;\n"
|
|
header += " %s *next;\n" % self.name
|
|
header += "};\n"
|
|
|
|
header += "\n\n\n"
|
|
|
|
return header
|
|
|
|
def _define_WmiInfo_struct(self):
|
|
"""Return string for C code defining *_WmiInfo struct
|
|
|
|
This struct holds info with meta-data needed to make wsman requests for the WMI class.
|
|
"""
|
|
|
|
source = "hypervWmiClassInfo *%s_WmiInfo = &(hypervWmiClassInfo) {\n" % self.name
|
|
source += " .name = \"%s\",\n" % self.name
|
|
source += " .rootUri = %s,\n" % self.uri_info.rootUri
|
|
source += " .resourceUri = %s_RESOURCE_URI,\n" % self.name.upper()
|
|
source += " .serializerInfo = %s_Data_TypeInfo,\n" % self.name
|
|
source += " .propertyInfo = %s_Typemap\n" % self.name
|
|
source += "};\n"
|
|
|
|
return source
|
|
|
|
|
|
class ClassUriInfo:
|
|
"""Prepares URI information needed for wsman requests."""
|
|
|
|
def __init__(self, wmi_name):
|
|
if wmi_name.startswith("Msvm_"):
|
|
self.rootUri = "ROOT_VIRTUALIZATION_V2"
|
|
baseUri = "http://schemas.microsoft.com/wbem/wsman/1/wmi/root/virtualization/v2"
|
|
else:
|
|
self.rootUri = "ROOT_CIMV2"
|
|
baseUri = "http://schemas.microsoft.com/wbem/wsman/1/wmi/root/cimv2"
|
|
|
|
self.resourceUri = "%s/%s" % (baseUri, wmi_name)
|
|
|
|
|
|
class Property:
|
|
typemap = {
|
|
"boolean": "BOOL",
|
|
"string": "STR",
|
|
"datetime": "STR",
|
|
"int8": "INT8",
|
|
"sint8": "INT8",
|
|
"int16": "INT16",
|
|
"sint16": "INT16",
|
|
"int32": "INT32",
|
|
"sint32": "INT32",
|
|
"int64": "INT64",
|
|
"sint64": "INT64",
|
|
"uint8": "UINT8",
|
|
"uint16": "UINT16",
|
|
"uint32": "UINT32",
|
|
"uint64": "UINT64"
|
|
}
|
|
|
|
def __init__(self, type, name, is_array):
|
|
if type not in Property.typemap:
|
|
report_error("unhandled property type %s" % type)
|
|
|
|
self.type = type
|
|
self.name = name
|
|
self.is_array = is_array
|
|
|
|
def generate_classes_header(self):
|
|
if self.is_array:
|
|
return " XML_TYPE_DYN_ARRAY %s;\n" % self.name
|
|
else:
|
|
return " XML_TYPE_%s %s;\n" \
|
|
% (Property.typemap[self.type], self.name)
|
|
|
|
def generate_classes_source(self, class_name):
|
|
if self.is_array:
|
|
return " SER_NS_DYN_ARRAY(%s_RESOURCE_URI, \"%s\", 0, 0, %s),\n" \
|
|
% (class_name.upper(), self.name, self.type)
|
|
else:
|
|
return " SER_NS_%s(%s_RESOURCE_URI, \"%s\", 1),\n" \
|
|
% (Property.typemap[self.type], class_name.upper(), self.name)
|
|
|
|
def generate_typemap(self):
|
|
return ' { "%s", "%s", %s },\n' % (self.name, self.type.lower(), str(self.is_array).lower())
|
|
|
|
|
|
def open_file(filename):
|
|
return open(filename, "wt")
|
|
|
|
|
|
def report_error(message):
|
|
print("error: " + message)
|
|
sys.exit(1)
|
|
|
|
|
|
def parse_class(block, number):
|
|
# expected format: class <name> : <optional parent>
|
|
header_items = block[0][1].split()
|
|
|
|
if len(header_items) not in [2, 4]:
|
|
report_error("line %d: invalid block header" % (number))
|
|
|
|
assert header_items[0] == "class"
|
|
|
|
name = header_items[1]
|
|
|
|
if name in wmi_classes_by_name:
|
|
report_error("class '%s' has already been defined" % name)
|
|
|
|
if len(header_items) == 4:
|
|
parent_class = header_items[3]
|
|
if parent_class not in wmi_classes_by_name:
|
|
report_error("nonexistent parent class specified: %s" % parent_class)
|
|
properties = wmi_classes_by_name[parent_class].properties.copy()
|
|
else:
|
|
properties = []
|
|
|
|
for line in block[1:]:
|
|
# expected format: <type> <name>
|
|
items = line[1].split()
|
|
|
|
if len(items) != 2:
|
|
report_error("line %d: invalid property" % line[0])
|
|
|
|
if items[1].endswith("[]"):
|
|
items[1] = items[1][:-2]
|
|
is_array = True
|
|
else:
|
|
is_array = False
|
|
|
|
properties.append(Property(type=items[0], name=items[1], is_array=is_array))
|
|
|
|
wmi_classes_by_name[name] = WmiClass(name, properties, ClassUriInfo(name))
|
|
|
|
|
|
def main():
|
|
if len(sys.argv) != 3:
|
|
report_error("usage: %s srcdir builddir" % sys.argv[0])
|
|
|
|
input_filename = os.path.join(sys.argv[1], "hyperv", "hyperv_wmi_generator.input")
|
|
output_dirname = os.path.join(sys.argv[2], "hyperv")
|
|
|
|
classes_typedef = open_file(os.path.join(output_dirname, "hyperv_wmi_classes.generated.typedef"))
|
|
classes_header = open_file(os.path.join(output_dirname, "hyperv_wmi_classes.generated.h"))
|
|
classes_source = open_file(os.path.join(output_dirname, "hyperv_wmi_classes.generated.c"))
|
|
|
|
# parse input file
|
|
number = 0
|
|
block = None
|
|
|
|
for line in open(input_filename, "rt").readlines():
|
|
number += 1
|
|
|
|
if "#" in line:
|
|
line = line[:line.index("#")]
|
|
|
|
line = line.lstrip().rstrip()
|
|
|
|
if len(line) < 1:
|
|
continue
|
|
|
|
if line.startswith("class"):
|
|
if block is not None:
|
|
report_error("line %d: nested block found" % (number))
|
|
else:
|
|
block = []
|
|
|
|
if block is not None:
|
|
if line == "end":
|
|
if block[0][1].startswith("class"):
|
|
parse_class(block, number)
|
|
|
|
block = None
|
|
else:
|
|
block.append((number, line))
|
|
|
|
# write output files
|
|
notice = "/* Generated by hyperv_wmi_generator.py */\n\n\n\n"
|
|
|
|
classes_typedef.write(notice)
|
|
classes_header.write(notice)
|
|
classes_source.write(notice)
|
|
|
|
classes_typedef.write("void hypervFreeObject(void *object);\n\n\n")
|
|
|
|
names = sorted(wmi_classes_by_name.keys())
|
|
|
|
for name in names:
|
|
cls = wmi_classes_by_name[name]
|
|
|
|
classes_typedef.write(cls.generate_classes_typedef())
|
|
classes_header.write(cls.generate_classes_header())
|
|
classes_source.write(cls.generate_classes_source())
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|