Commit | Line | Data |
---|---|---|
79c39ab9 PP |
1 | # The MIT License (MIT) |
2 | # | |
3 | # Copyright (c) 2017 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 numbers | |
26 | import bt2 | |
27 | ||
28 | ||
29 | def _create_clock_value_from_ptr(ptr): | |
30 | clock_value = _ClockValue._create_from_ptr(ptr) | |
31 | return clock_value | |
32 | ||
33 | ||
34 | class _ClockValue(object._Object): | |
35 | def __init__(self, clock_class_ptr, cycles): | |
36 | utils._check_uint64(cycles) | |
37 | ptr = native_bt.ctf_clock_value_create(clock_class_ptr, cycles) | |
38 | ||
39 | if ptr is None: | |
40 | raise bt2.CreationError('cannot create clock value object') | |
41 | ||
42 | super().__init__(ptr) | |
43 | ||
44 | @property | |
45 | def clock_class(self): | |
46 | ptr = native_bt.ctf_clock_value_get_class(self._ptr) | |
47 | assert(ptr) | |
48 | return ClockClass._create_from_ptr(ptr) | |
49 | ||
50 | @property | |
51 | def cycles(self): | |
52 | ret, cycles = native_bt.ctf_clock_value_get_value(self._ptr) | |
53 | assert(ret == 0) | |
54 | return cycles | |
55 | ||
56 | @property | |
57 | def ns_from_epoch(self): | |
58 | ret, ns = native_bt.ctf_clock_value_get_value_ns_from_epoch(self._ptr) | |
59 | utils._handle_ret(ret, "cannot get clock value object's nanoseconds from Epoch") | |
60 | return ns | |
61 | ||
62 | def __eq__(self, other): | |
63 | if isinstance(other, numbers.Integral): | |
64 | return int(other) == self.cycles | |
65 | ||
66 | if not isinstance(other, self.__class__): | |
67 | # not comparing apples to apples | |
68 | return False | |
69 | ||
70 | if self.addr == other.addr: | |
71 | return True | |
72 | ||
73 | self_props = self.clock_class, self.cycles | |
74 | other_props = other.clock_class, other.cycles | |
75 | return self_props == other_props | |
76 | ||
77 | def __copy__(self): | |
78 | return self.clock_class(self.cycles) | |
79 | ||
80 | def __deepcopy__(self, memo): | |
81 | cpy = self.__copy__() | |
82 | memo[id(self)] = cpy | |
83 | return cpy |