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# encoding: utf-8
# cython: language_level=3, c_string_type=unicode, c_string_encoding=default
cimport nvpair
import collections
import numbers
import cython
from types cimport *
from libc.stdint cimport uintptr_t
from libc.stdlib cimport malloc, free
@cython.internal
cdef class NVList(object):
cdef nvpair.nvlist_t* handle
cdef int foreign
def __init__(self, uintptr_t nvlist=0, otherdict=None):
if nvlist:
self.foreign = True
self.handle = <nvpair.nvlist_t*>nvlist
else:
self.foreign = False
nvpair.nvlist_alloc(&self.handle, nvpair.NV_UNIQUE_NAME, 0)
if otherdict:
for k, v in otherdict.items():
self[k] = v
def __dealloc__(self):
if not self.foreign:
nvpair.nvlist_free(self.handle)
self.handle = NULL
cdef object get_raw(self, key):
cdef nvpair.nvpair_t* pair = self.__get_pair(key)
return self.__get_value(pair, False)
cdef nvpair.nvpair_t* __get_pair(self, key) except NULL:
cdef nvpair.nvpair_t* pair
if nvpair.nvlist_lookup_nvpair(self.handle, key, &pair) != 0:
raise ValueError('Key {0} not found'.format(key))
return pair
cdef object __get_value(self, nvpair.nvpair_t* pair, wrap_dict=True):
cdef nvpair.nvlist_t *nested
cdef char *cstr
cdef void *carray
cdef uint_t carraylen
cdef bint boolean
cdef int32_t cint
cdef uint64_t clong
cdef int datatype
datatype = nvpair.nvpair_type(pair)
if datatype == nvpair.DATA_TYPE_STRING:
nvpair.nvpair_value_string(pair, &cstr)
return (<bytes>cstr).decode('utf-8')
if datatype == nvpair.DATA_TYPE_BOOLEAN:
nvpair.nvpair_value_boolean_value(pair, <boolean_t*>&boolean)
return boolean
if datatype == nvpair.DATA_TYPE_BYTE:
nvpair.nvpair_value_byte(pair, <uchar_t*>&cint)
return cint
if datatype == nvpair.DATA_TYPE_INT8:
nvpair.nvpair_value_int8(pair, <int8_t*>&cint)
return cint
if datatype == nvpair.DATA_TYPE_UINT8:
nvpair.nvpair_value_uint8(pair, <uint8_t*>&cint)
return cint
if datatype == nvpair.DATA_TYPE_INT16:
nvpair.nvpair_value_int16(pair, <int16_t*>&cint)
return cint
if datatype == nvpair.DATA_TYPE_UINT16:
nvpair.nvpair_value_uint16(pair, <uint16_t*>&cint)
return cint
if datatype == nvpair.DATA_TYPE_INT32:
nvpair.nvpair_value_int32(pair, <int32_t*>&cint)
return cint
if datatype == nvpair.DATA_TYPE_UINT32:
nvpair.nvpair_value_uint32(pair, <uint32_t*>&clong)
return clong
if datatype == nvpair.DATA_TYPE_INT64:
nvpair.nvpair_value_int64(pair, <int64_t*>&clong)
return clong
if datatype == nvpair.DATA_TYPE_UINT64:
nvpair.nvpair_value_uint64(pair, <uint64_t*>&clong)
return clong
if datatype == nvpair.DATA_TYPE_BYTE_ARRAY:
nvpair.nvpair_value_byte_array(pair, <uchar_t**>&carray, &carraylen)
return [x for x in (<uchar_t *>carray)[:carraylen]]
if datatype == nvpair.DATA_TYPE_INT8_ARRAY:
nvpair.nvpair_value_int8_array(pair, <int8_t**>&carray, &carraylen)
return [x for x in (<uint8_t *>carray)[:carraylen]]
if datatype == nvpair.DATA_TYPE_UINT8_ARRAY:
nvpair.nvpair_value_uint8_array(pair, <uint8_t**>&carray, &carraylen)
return [x for x in (<uint8_t *>carray)[:carraylen]]
if datatype == nvpair.DATA_TYPE_INT16_ARRAY:
nvpair.nvpair_value_int16_array(pair, <int16_t**>&carray, &carraylen)
return [x for x in (<int16_t *>carray)[:carraylen]]
if datatype == nvpair.DATA_TYPE_UINT16_ARRAY:
nvpair.nvpair_value_uint16_array(pair, <uint16_t**>&carray, &carraylen)
return [x for x in (<uint16_t *>carray)[:carraylen]]
if datatype == nvpair.DATA_TYPE_INT32_ARRAY:
nvpair.nvpair_value_int32_array(pair, <int32_t**>&carray, &carraylen)
return [x for x in (<int32_t *>carray)[:carraylen]]
if datatype == nvpair.DATA_TYPE_UINT32_ARRAY:
nvpair.nvpair_value_uint32_array(pair, <uint32_t**>&carray, &carraylen)
return [x for x in (<uint32_t *>carray)[:carraylen]]
if datatype == nvpair.DATA_TYPE_INT64_ARRAY:
nvpair.nvpair_value_int64_array(pair, <int64_t**>&carray, &carraylen)
return [x for x in (<int64_t *>carray)[:carraylen]]
if datatype == nvpair.DATA_TYPE_UINT64_ARRAY:
nvpair.nvpair_value_uint64_array(pair, <uint64_t**>&carray, &carraylen)
return [x for x in (<uint64_t *>carray)[:carraylen]]
if datatype == nvpair.DATA_TYPE_STRING_ARRAY:
nvpair.nvpair_value_string_array(pair, <char***>&carray, &carraylen)
return [x for x in (<char**>carray)[:carraylen]]
if datatype == nvpair.DATA_TYPE_NVLIST:
nvpair.nvpair_value_nvlist(pair, &nested)
return dict(NVList(<uintptr_t>nested)) if wrap_dict else NVList(<uintptr_t>nested)
if datatype == nvpair.DATA_TYPE_NVLIST_ARRAY:
nvpair.nvpair_value_nvlist_array(pair, <nvpair.nvlist_t***>&carray, &carraylen)
return [dict(NVList(x)) if wrap_dict else NVList(x) for x in (<uintptr_t *>carray)[:carraylen]]
cdef int nvlist_lookup_uint64_array(self, nvpair.nvlist_t* nvl, const char* buf, uint64_t **a, uint_t *n):
return nvpair.nvlist_lookup_uint64_array(nvl, buf, a, n)
def __contains__(self, key):
return nvpair.nvlist_exists(self.handle, key)
def __delitem__(self, key):
nvpair.nvlist_remove(self.handle, key, self.type(key))
def __iter__(self):
cdef nvpair.nvpair_t *pair = NULL
while True:
pair = nvpair.nvlist_next_nvpair(self.handle, pair)
if pair is NULL:
return
yield nvpair.nvpair_name(pair)
def get(self, key, object default=None):
if not key in self:
return default
return self[key]
def type(self, key):
cdef nvpair.nvpair_t *pair = self.__get_pair(key)
return nvpair.nvpair_type(pair)
def set(self, key, value, typeid):
cdef NVList cnvlist
cdef void* carray = NULL
cdef uintptr_t cptr
# Oh god, this is tedious...
if isinstance(value, (str, unicode)):
if typeid == nvpair.DATA_TYPE_STRING:
nvpair.nvlist_add_string(self.handle, key, value)
return
if isinstance(value, type(None)):
if typeid == nvpair.DATA_TYPE_BOOLEAN:
nvpair.nvlist_add_boolean(self.handle, key)
return
if isinstance(value, bool):
if typeid == nvpair.DATA_TYPE_BOOLEAN:
nvpair.nvlist_add_boolean_value(self.handle, key, <boolean_t>value)
return
if isinstance(value, numbers.Number):
if typeid == nvpair.DATA_TYPE_BYTE:
nvpair.nvlist_add_byte(self.handle, key, <char>value)
return
if typeid == nvpair.DATA_TYPE_UINT8:
nvpair.nvlist_add_uint8(self.handle, key, <uint8_t>value)
return
if typeid == nvpair.DATA_TYPE_INT8:
nvpair.nvlist_add_int8(self.handle, key, <int8_t>value)
return
if typeid == nvpair.DATA_TYPE_UINT16:
nvpair.nvlist_add_uint16(self.handle, key, <uint16_t>value)
return
if typeid == nvpair.DATA_TYPE_INT16:
nvpair.nvlist_add_int16(self.handle, key, <int16_t>value)
return
if typeid == nvpair.DATA_TYPE_UINT32:
nvpair.nvlist_add_uint32(self.handle, key, <uint32_t>value)
return
if typeid == nvpair.DATA_TYPE_INT32:
nvpair.nvlist_add_int32(self.handle, key, <int32_t>value)
return
if typeid == nvpair.DATA_TYPE_UINT64:
nvpair.nvlist_add_uint64(self.handle, key, <uint64_t>value)
return
if typeid == nvpair.DATA_TYPE_INT64:
nvpair.nvlist_add_int64(self.handle, key, <int64_t>value)
return
if isinstance(value, NVList):
if typeid == nvpair.DATA_TYPE_NVLIST:
cnvlist = <NVList>value
nvpair.nvlist_add_nvlist(self.handle, key, cnvlist.handle)
return
if isinstance(value, dict):
if typeid == nvpair.DATA_TYPE_NVLIST:
cnvlist = NVList(otherdict=value)
nvpair.nvlist_add_nvlist(self.handle, key, cnvlist.handle)
return
if isinstance(value, collections.Sequence):
if typeid == nvpair.DATA_TYPE_STRING_ARRAY:
carray = malloc(len(value) * sizeof(char*))
for idx, i in enumerate(value):
(<char**>carray)[idx] = i
nvpair.nvlist_add_string_array(self.handle, key, <char**>carray, len(value))
if typeid == nvpair.DATA_TYPE_BOOLEAN_ARRAY:
carray = malloc(len(value) * sizeof(char*))
for idx, i in enumerate(value):
(<boolean_t*>carray)[idx] = i
nvpair.nvlist_add_boolean_array(self.handle, key, <boolean_t*>carray, len(value))
if typeid == nvpair.DATA_TYPE_BYTE_ARRAY:
carray = malloc(len(value) * sizeof(char))
for idx, i in enumerate(value):
(<char*>carray)[idx] = i
nvpair.nvlist_add_byte_array(self.handle, key, <uchar_t*>carray, len(value))
if typeid == nvpair.DATA_TYPE_UINT8_ARRAY:
carray = malloc(len(value) * sizeof(uint8_t))
for idx, i in enumerate(value):
(<uint8_t*>carray)[idx] = i
nvpair.nvlist_add_uint8_array(self.handle, key, <uint8_t*>carray, len(value))
if typeid == nvpair.DATA_TYPE_INT8_ARRAY:
carray = malloc(len(value) * sizeof(int8_t))
for idx, i in enumerate(value):
(<int8_t*>carray)[idx] = i
nvpair.nvlist_add_int8_array(self.handle, key, <int8_t*>carray, len(value))
if typeid == nvpair.DATA_TYPE_UINT16_ARRAY:
carray = malloc(len(value) * sizeof(uint16_t))
for idx, i in enumerate(value):
(<uint16_t*>carray)[idx] = i
nvpair.nvlist_add_uint16_array(self.handle, key, <uint16_t*>carray, len(value))
if typeid == nvpair.DATA_TYPE_INT16_ARRAY:
carray = malloc(len(value) * sizeof(int16_t))
for idx, i in enumerate(value):
(<uint16_t*>carray)[idx] = i
nvpair.nvlist_add_int16_array(self.handle, key, <int16_t*>carray, len(value))
if typeid == nvpair.DATA_TYPE_UINT32_ARRAY:
carray = malloc(len(value) * sizeof(uint32_t))
for idx, i in enumerate(value):
(<uint32_t*>carray)[idx] = i
nvpair.nvlist_add_uint32_array(self.handle, key, <uint32_t*>carray, len(value))
if typeid == nvpair.DATA_TYPE_INT32_ARRAY:
carray = malloc(len(value) * sizeof(int32_t))
for idx, i in enumerate(value):
(<int32_t*>carray)[idx] = i
nvpair.nvlist_add_int32_array(self.handle, key, <int32_t*>carray, len(value))
if typeid == nvpair.DATA_TYPE_UINT64_ARRAY:
carray = malloc(len(value) * sizeof(uint64_t))
for idx, i in enumerate(value):
(<uint64_t*>carray)[idx] = i
nvpair.nvlist_add_uint64_array(self.handle, key, <uint64_t*>carray, len(value))
if typeid == nvpair.DATA_TYPE_INT64_ARRAY:
carray = malloc(len(value) * sizeof(int64_t))
for idx, i in enumerate(value):
(<int64_t*>carray)[idx] = i
nvpair.nvlist_add_int64_array(self.handle, key, <int64_t*>carray, len(value))
if typeid == nvpair.DATA_TYPE_NVLIST_ARRAY:
carray = malloc(len(value) * sizeof(nvpair.nvlist_t*))
for idx, i in enumerate(value):
cnvlist = <NVList>i
(<uintptr_t*>carray)[idx] = <uintptr_t>cnvlist.handle
nvpair.nvlist_add_nvlist_array(self.handle, key, <nvpair.nvlist_t**>carray, len(value))
if carray != NULL:
free(carray)
return
raise ValueError('Value not compatible with type specified: {0}'.format(type(value).__name__))
def __getitem__(self, key):
cdef nvpair.nvpair_t *pair
pair = self.__get_pair(key)
return self.__get_value(pair)
def __setitem__(self, key, value):
if type(key) is unicode:
key = str(key)
if type(value) is bool or value is None:
self.set(key, value, nvpair.DATA_TYPE_BOOLEAN)
if type(value) is int:
self.set(key, value, nvpair.DATA_TYPE_UINT64)
if type(value) is str or type(value) is unicode:
self.set(key, str(value), nvpair.DATA_TYPE_STRING)
if type(value) is NVList:
self.set(key, value, nvpair.DATA_TYPE_NVLIST)
if type(value) is list:
# We need some heuristics here...
if len(value) == 0:
# don't know what to do!
return
if type(value[0]) is NVList:
self.set(key, value, nvpair.DATA_TYPE_NVLIST_ARRAY)
if type(value[0]) is int:
self.set(key, value, nvpair.DATA_TYPE_INT32_ARRAY)
if type(value[0]) is long:
self.set(key, value, nvpair.DATA_TYPE_INT64_ARRAY)
if type(value[0]) is str or type(value) is unicode:
self.set(key, value, nvpair.DATA_TYPE_STRING_ARRAY)
if type(value) is dict:
self.set(key, value, nvpair.DATA_TYPE_NVLIST)
def get_type(self, key):
pair = self.__get_pair(key)
return nvpair.nvpair_type(pair)
def keys(self):
return list(self)
def values(self):
return [v for k, v in self.items()]
def items(self, raw=False):
cdef nvpair.nvpair_t *pair = NULL
while True:
pair = nvpair.nvlist_next_nvpair(self.handle, pair)
if pair is NULL:
return
yield (nvpair.nvpair_name(pair), self.__get_value(pair, not raw))
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