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1 | /* |
2 | * Copyright (c) 2020 Philippe Proulx <pproulx@efficios.com> | |
3 | * | |
4 | * SPDX-License-Identifier: MIT | |
5 | */ | |
6 | ||
7 | #ifndef BABELTRACE_CPP_COMMON_BT2_CLOCK_SNAPSHOT_HPP | |
8 | #define BABELTRACE_CPP_COMMON_BT2_CLOCK_SNAPSHOT_HPP | |
9 | ||
10 | #include <cstdint> | |
c802cacb | 11 | |
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12 | #include <babeltrace2/babeltrace.h> |
13 | ||
02f1b803 | 14 | #include "borrowed-obj.hpp" |
39278ebc | 15 | #include "exc.hpp" |
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16 | |
17 | namespace bt2 { | |
18 | ||
02f1b803 | 19 | class ConstClockSnapshot final : public BorrowedObj<const bt_clock_snapshot> |
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20 | { |
21 | public: | |
22 | explicit ConstClockSnapshot(const _LibObjPtr libObjPtr) noexcept : _ThisBorrowedObj {libObjPtr} | |
23 | { | |
24 | } | |
25 | ||
26 | ConstClockSnapshot(const ConstClockSnapshot& clkSnapshot) noexcept : | |
27 | _ThisBorrowedObj {clkSnapshot} | |
28 | { | |
29 | } | |
30 | ||
31 | ConstClockSnapshot& operator=(const ConstClockSnapshot& clkSnapshot) noexcept | |
32 | { | |
33 | _ThisBorrowedObj::operator=(clkSnapshot); | |
34 | return *this; | |
35 | } | |
36 | ||
37 | std::uint64_t value() const noexcept | |
38 | { | |
341a67c4 | 39 | return bt_clock_snapshot_get_value(this->libObjPtr()); |
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40 | } |
41 | ||
42 | operator std::uint64_t() const noexcept | |
43 | { | |
44 | return this->value(); | |
45 | } | |
46 | ||
47 | std::int64_t nsFromOrigin() const | |
48 | { | |
49 | std::int64_t nsFromOrigin; | |
341a67c4 | 50 | const auto status = bt_clock_snapshot_get_ns_from_origin(this->libObjPtr(), &nsFromOrigin); |
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51 | |
52 | if (status == BT_CLOCK_SNAPSHOT_GET_NS_FROM_ORIGIN_STATUS_OVERFLOW_ERROR) { | |
39278ebc | 53 | throw OverflowError {}; |
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54 | } |
55 | ||
56 | return nsFromOrigin; | |
57 | } | |
58 | }; | |
59 | ||
b5f55e9f | 60 | } /* namespace bt2 */ |
3aafc165 | 61 | |
b5f55e9f | 62 | #endif /* BABELTRACE_CPP_COMMON_BT2_CLOCK_SNAPSHOT_HPP */ |