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81447b5b PP |
1 | # The MIT License (MIT) |
2 | # | |
3 | # Copyright (c) 2016 Philippe Proulx <pproulx@efficios.com> | |
4 | # | |
5 | # Permission is hereby granted, free of charge, to any person obtaining a copy | |
6 | # of this software and associated documentation files (the "Software"), to deal | |
7 | # in the Software without restriction, including without limitation the rights | |
8 | # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
9 | # copies of the Software, and to permit persons to whom the Software is | |
10 | # furnished to do so, subject to the following conditions: | |
11 | # | |
12 | # The above copyright notice and this permission notice shall be included in | |
13 | # all copies or substantial portions of the Software. | |
14 | # | |
15 | # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
18 | # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
20 | # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
21 | # THE SOFTWARE. | |
22 | ||
23 | from bt2 import native_bt, object, utils | |
24 | import uuid as uuidp | |
25 | import bt2 | |
26 | ||
27 | ||
28 | class ClockClassOffset: | |
29 | def __init__(self, seconds=0, cycles=0): | |
30 | utils._check_int64(seconds) | |
31 | utils._check_int64(cycles) | |
32 | self._seconds = seconds | |
33 | self._cycles = cycles | |
34 | ||
35 | @property | |
36 | def seconds(self): | |
37 | return self._seconds | |
38 | ||
39 | @property | |
40 | def cycles(self): | |
41 | return self._cycles | |
42 | ||
43 | def __eq__(self, other): | |
44 | if not isinstance(other, self.__class__): | |
45 | # not comparing apples to apples | |
46 | return False | |
47 | ||
48 | return (self.seconds, self.cycles) == (other.seconds, other.cycles) | |
49 | ||
50 | ||
51 | class ClockClass(object._Object): | |
52 | def __init__(self, name, description=None, frequency=None, precision=None, | |
53 | offset=None, is_absolute=None, uuid=None): | |
54 | utils._check_str(name) | |
55 | ptr = native_bt.ctf_clock_class_create(name) | |
56 | ||
57 | if ptr is None: | |
58 | raise bt2.CreationError('cannot create clock class object') | |
59 | ||
60 | super().__init__(ptr) | |
61 | ||
62 | if description is not None: | |
63 | self.description = description | |
64 | ||
65 | if frequency is not None: | |
66 | self.frequency = frequency | |
67 | ||
68 | if precision is not None: | |
69 | self.precision = precision | |
70 | ||
71 | if offset is not None: | |
72 | self.offset = offset | |
73 | ||
74 | if is_absolute is not None: | |
75 | self.is_absolute = is_absolute | |
76 | ||
77 | if uuid is not None: | |
78 | self.uuid = uuid | |
79 | ||
80 | def __eq__(self, other): | |
81 | if type(self) is not type(other): | |
82 | # not comparing apples to apples | |
83 | return False | |
84 | ||
85 | self_props = ( | |
86 | self.name, | |
87 | self.description, | |
88 | self.frequency, | |
89 | self.precision, | |
90 | self.offset, | |
91 | self.is_absolute, | |
92 | self.uuid | |
93 | ) | |
94 | other_props = ( | |
95 | other.name, | |
96 | other.description, | |
97 | other.frequency, | |
98 | other.precision, | |
99 | other.offset, | |
100 | other.is_absolute, | |
101 | other.uuid | |
102 | ) | |
103 | return self_props == other_props | |
104 | ||
105 | def __copy__(self): | |
106 | return ClockClass(name=self.name, description=self.description, | |
107 | frequency=self.frequency, precision=self.precision, | |
108 | offset=self.offset, is_absolute=self.is_absolute, | |
109 | uuid=self.uuid) | |
110 | ||
111 | def __deepcopy__(self, memo): | |
112 | cpy = self.__copy__() | |
113 | memo[id(self)] = cpy | |
114 | return cpy | |
115 | ||
116 | @property | |
117 | def name(self): | |
118 | name = native_bt.ctf_clock_class_get_name(self._ptr) | |
119 | utils._handle_ptr(name, "cannot get clock class object's name") | |
120 | return name | |
121 | ||
122 | @name.setter | |
123 | def name(self, name): | |
124 | utils._check_str(name) | |
125 | ret = native_bt.ctf_clock_class_set_name(self._ptr, name) | |
126 | utils._handle_ret(ret, "cannot set clock class object's name") | |
127 | ||
128 | @property | |
129 | def description(self): | |
130 | description = native_bt.ctf_clock_class_get_description(self._ptr) | |
131 | return description | |
132 | ||
133 | @description.setter | |
134 | def description(self, description): | |
135 | utils._check_str(description) | |
136 | ret = native_bt.ctf_clock_class_set_description(self._ptr, description) | |
137 | utils._handle_ret(ret, "cannot set clock class object's description") | |
138 | ||
139 | @property | |
140 | def frequency(self): | |
141 | frequency = native_bt.ctf_clock_class_get_frequency(self._ptr) | |
142 | ||
143 | if utils._is_m1ull(frequency): | |
144 | raise bt2.Error("cannot get clock class object's frequency") | |
145 | ||
146 | return frequency | |
147 | ||
148 | @frequency.setter | |
149 | def frequency(self, frequency): | |
150 | utils._check_uint64(frequency) | |
151 | ret = native_bt.ctf_clock_class_set_frequency(self._ptr, frequency) | |
152 | utils._handle_ret(ret, "cannot set clock class object's frequency") | |
153 | ||
154 | @property | |
155 | def precision(self): | |
156 | precision = native_bt.ctf_clock_class_get_precision(self._ptr) | |
157 | ||
158 | if utils._is_m1ull(precision): | |
159 | raise bt2.Error("cannot get clock class object's precision") | |
160 | ||
161 | return precision | |
162 | ||
163 | @precision.setter | |
164 | def precision(self, precision): | |
165 | utils._check_uint64(precision) | |
166 | ret = native_bt.ctf_clock_class_set_precision(self._ptr, precision) | |
167 | utils._handle_ret(ret, "cannot set clock class object's precision") | |
168 | ||
169 | @property | |
170 | def offset(self): | |
171 | ret, offset_s = native_bt.ctf_clock_class_get_offset_s(self._ptr) | |
172 | utils._handle_ret(ret, "cannot get clock class object's offset (seconds)") | |
173 | ret, offset_cycles = native_bt.ctf_clock_class_get_offset_cycles(self._ptr) | |
174 | utils._handle_ret(ret, "cannot get clock class object's offset (cycles)") | |
175 | return ClockClassOffset(offset_s, offset_cycles) | |
176 | ||
177 | @offset.setter | |
178 | def offset(self, offset): | |
179 | utils._check_type(offset, ClockClassOffset) | |
180 | ret = native_bt.ctf_clock_class_set_offset_s(self._ptr, offset.seconds) | |
181 | utils._handle_ret(ret, "cannot set clock class object's offset (seconds)") | |
182 | ret = native_bt.ctf_clock_class_set_offset_cycles(self._ptr, offset.cycles) | |
183 | utils._handle_ret(ret, "cannot set clock class object's offset (cycles)") | |
184 | ||
185 | @property | |
186 | def is_absolute(self): | |
187 | is_absolute = native_bt.ctf_clock_class_get_is_absolute(self._ptr) | |
188 | utils._handle_ret(is_absolute, "cannot get clock class object's absoluteness") | |
189 | return is_absolute > 0 | |
190 | ||
191 | @is_absolute.setter | |
192 | def is_absolute(self, is_absolute): | |
193 | utils._check_bool(is_absolute) | |
194 | ret = native_bt.ctf_clock_class_set_is_absolute(self._ptr, int(is_absolute)) | |
195 | utils._handle_ret(ret, "cannot set clock class object's absoluteness") | |
196 | ||
197 | @property | |
198 | def uuid(self): | |
199 | uuid_bytes = native_bt.ctf_clock_class_get_uuid(self._ptr) | |
200 | ||
201 | if uuid_bytes is None: | |
202 | raise bt2.Error("cannot get clock class object's UUID") | |
203 | ||
204 | return uuidp.UUID(bytes=uuid_bytes) | |
205 | ||
206 | @uuid.setter | |
207 | def uuid(self, uuid): | |
208 | utils._check_type(uuid, uuidp.UUID) | |
209 | ret = native_bt.ctf_clock_class_set_uuid(self._ptr, uuid.bytes) | |
210 | utils._handle_ret(ret, "cannot set clock class object's UUID") | |
211 | ||
212 | def create_clock_value(self, cycles): | |
213 | return _ClockValue(self._ptr, cycles) | |
214 | ||
215 | ||
216 | def _create_clock_value_from_ptr(ptr): | |
217 | clock_value = _ClockValue._create_from_ptr(ptr) | |
218 | return clock_value | |
219 | ||
220 | ||
221 | class _ClockValue(object._Object): | |
222 | def __init__(self, clock_class_ptr, cycles): | |
223 | utils._check_uint64(cycles) | |
224 | ptr = native_bt.ctf_clock_value_create(clock_class_ptr, cycles) | |
225 | ||
226 | if ptr is None: | |
227 | raise bt2.CreationError('cannot create clock value object') | |
228 | ||
229 | super().__init__(ptr) | |
230 | ||
231 | @property | |
232 | def clock_class(self): | |
233 | ptr = native_bt.ctf_clock_value_get_class(self._ptr) | |
234 | utils._handle_ptr(ptr, "cannot get clock value object's clock class object") | |
235 | return ClockClass._create_from_ptr(ptr) | |
236 | ||
237 | @property | |
238 | def cycles(self): | |
239 | ret, cycles = native_bt.ctf_clock_value_get_value(self._ptr) | |
240 | utils._handle_ret(ret, "cannot get clock value object's cycles") | |
241 | return cycles | |
242 | ||
243 | @property | |
244 | def ns_from_epoch(self): | |
245 | ret, ns = native_bt.ctf_clock_value_get_value_ns_from_epoch(self._ptr) | |
246 | utils._handle_ret(ret, "cannot get clock value object's nanoseconds from Epoch") | |
247 | return ns | |
248 | ||
249 | def __eq__(self, other): | |
250 | if not isinstance(other, self.__class__): | |
251 | # not comparing apples to apples | |
252 | return False | |
253 | ||
254 | if self.addr == other.addr: | |
255 | return True | |
256 | ||
257 | self_props = self.clock_class.addr, self.cycles | |
258 | other_props = other.clock_class.addr, other.cycles | |
259 | return self_props == other_props | |
260 | ||
261 | def __copy__(self): | |
262 | return self.clock_class.create_clock_value(self.cycles) | |
263 | ||
264 | def __deepcopy__(self, memo): | |
265 | cpy = self.__copy__() | |
266 | memo[id(self)] = cpy | |
267 | return cpy |