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# Copyright (C) 2012 W. Trevor King <wking@tremily.us>
#
# This file is part of python-kmod.
#
# python-kmod is free software: you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License version 2.1 as published
# by the Free Software Foundation.
#
# python-kmod 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 python-kmod. If not, see <http://www.gnu.org/licenses/>.
import collections as _collections
cimport libc.errno as _errno
cimport _libkmod_h
from error import KmodError as _KmodError
cimport list as _list
import list as _list
cimport _util
import _util
cdef class Module (object):
"Wrap a struct kmod_module* item"
def __cinit__(self):
self.module = NULL
def __dealloc__(self):
self._cleanup()
def _cleanup(self):
if self.module is not NULL:
_libkmod_h.kmod_module_unref(self.module)
self.module = NULL
cpdef from_mod_list_item(self, _list.ModListItem item):
self._cleanup()
self.module = _libkmod_h.kmod_module_get_module(item.list)
def _name_get(self):
return _util.char_ptr_to_str(
_libkmod_h.kmod_module_get_name(self.module))
name = property(fget=_name_get)
def _path_get(self):
return _util.char_ptr_to_str(
_libkmod_h.kmod_module_get_path(self.module))
path = property(fget=_path_get)
def _options_get(self):
return _util.char_ptr_to_str(
_libkmod_h.kmod_module_get_options(self.module))
options = property(fget=_options_get)
def _install_commands_get(self):
return _util.char_ptr_to_str(
_libkmod_h.kmod_module_get_install_commands(self.module))
install_commands = property(fget=_install_commands_get)
def _remove_commands_get(self):
return _util.char_ptr_to_str(
_libkmod_h.kmod_module_get_remove_commands(self.module))
remove_commands = property(fget=_remove_commands_get)
def _refcnt_get(self):
return _libkmod_h.kmod_module_get_refcnt(self.module)
refcnt = property(fget=_refcnt_get)
def _size_get(self):
return _libkmod_h.kmod_module_get_size(self.module)
size = property(fget=_size_get)
def _info_get(self):
cdef _list.ModList ml = _list.ModList()
cdef _list.ModListItem mli
err = _libkmod_h.kmod_module_get_info(self.module, &ml.list)
if err < 0:
raise _KmodError('Could not get info')
info = _collections.OrderedDict()
try:
for item in ml:
mli = <_list.ModListItem> item
key = _util.char_ptr_to_str(
_libkmod_h.kmod_module_info_get_key(mli.list))
value = _util.char_ptr_to_str(
_libkmod_h.kmod_module_info_get_value(mli.list))
info[key] = value
finally:
_libkmod_h.kmod_module_info_free_list(ml.list)
ml.list = NULL
return info
info = property(fget=_info_get)
def _versions_get(self):
cdef _list.ModList ml = _list.ModList()
cdef _list.ModListItem mli
err = _libkmod_h.kmod_module_get_versions(self.module, &ml.list)
if err < 0:
raise _KmodError('Could not get versions')
try:
for item in ml:
mli = <_list.ModListItem> item
symbol = _util.char_ptr_to_str(
_libkmod_h.kmod_module_version_get_symbol(mli.list))
crc = _libkmod_h.kmod_module_version_get_crc(mli.list)
yield {'symbol': symbol, 'crc': crc}
finally:
_libkmod_h.kmod_module_versions_free_list(ml.list)
ml.list = NULL
versions = property(fget=_versions_get)
def insert(self, flags=0, extra_options=None, install_callback=None,
data=None, print_action_callback=None):
"""
insert module to current tree.
e.g.
km = kmod.Kmod()
tp = km.module_from_name("thinkpad_acpi")
tp.insert(extra_options='fan_control=1')
"""
cdef char *opt = NULL
#cdef _libkmod_h.install_callback_t install = NULL
cdef int (*install)(
_libkmod_h.kmod_module *, _libkmod_h.const_char_ptr, void *)
install = NULL
cdef void *d = NULL
#cdef _libkmod_h.print_action_callback_t print_action = NULL
cdef void (*print_action)(
_libkmod_h.kmod_module *, _libkmod_h.bool,
_libkmod_h.const_char_ptr)
print_action = NULL
if extra_options:
opt = extra_options
# TODO: convert callbacks and data from Python object to C types
err = _libkmod_h.kmod_module_probe_insert_module(
self.module, flags, opt, install, d, print_action)
if err == -_errno.EEXIST:
raise _KmodError('Module already loaded')
elif err < 0:
raise _KmodError('Could not load module')
def remove(self, flags=0):
"""
remove module from current tree
e.g.
km = kmod.Kmod()
tp = km.module_from_name("thinkpad_acpi")
tp.remove()
"""
err = _libkmod_h.kmod_module_remove_module(self.module, flags)
if err < 0:
raise _KmodError('Could not remove module')
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