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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 | |
79c39ab9 PP |
24 | import numbers |
25 | import bt2 | |
be7bbff9 | 26 | import functools |
79c39ab9 PP |
27 | |
28 | ||
9ec609ec | 29 | class _BaseClockSnapshot(object._UniqueObject): |
79c39ab9 PP |
30 | @property |
31 | def clock_class(self): | |
be7bbff9 SM |
32 | cc_ptr = native_bt.clock_snapshot_borrow_clock_class_const(self._ptr) |
33 | assert cc_ptr is not None | |
34 | return bt2.clock_class._ClockClass._create_from_ptr_and_get_ref(cc_ptr) | |
79c39ab9 | 35 | |
9ec609ec SM |
36 | |
37 | @functools.total_ordering | |
38 | class _ClockSnapshot(_BaseClockSnapshot): | |
79c39ab9 | 39 | @property |
2ae9f48c SM |
40 | def value(self): |
41 | return native_bt.clock_snapshot_get_value(self._ptr) | |
79c39ab9 PP |
42 | |
43 | @property | |
be7bbff9 SM |
44 | def ns_from_origin(self): |
45 | ret, ns = native_bt.clock_snapshot_get_ns_from_origin(self._ptr) | |
79c39ab9 | 46 | |
be7bbff9 SM |
47 | if ret == native_bt.CLOCK_SNAPSHOT_STATUS_OVERFLOW: |
48 | raise OverflowError("cannot get clock snapshot's nanoseconds from origin") | |
79c39ab9 | 49 | |
be7bbff9 | 50 | return ns |
79c39ab9 | 51 | |
be7bbff9 SM |
52 | def __eq__(self, other): |
53 | if not isinstance(other, numbers.Integral): | |
54 | return NotImplemented | |
79c39ab9 | 55 | |
be7bbff9 | 56 | return self.value == int(other) |
79c39ab9 | 57 | |
be7bbff9 SM |
58 | def __lt__(self, other): |
59 | if not isinstance(other, numbers.Integral): | |
60 | return NotImplemented | |
79c39ab9 | 61 | |
be7bbff9 | 62 | return self.value < int(other) |
9ec609ec SM |
63 | |
64 | ||
65 | class _UnknownClockSnapshot(_BaseClockSnapshot): | |
66 | pass | |
67 | ||
68 | ||
69 | class _InfiniteClockSnapshot(_BaseClockSnapshot): | |
70 | pass |