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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 | ||
0d218157 | 14 | #include "borrowed-object.hpp" |
39278ebc | 15 | #include "exc.hpp" |
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16 | |
17 | namespace bt2 { | |
18 | ||
0d218157 | 19 | class ConstClockSnapshot final : public BorrowedObject<const bt_clock_snapshot> |
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20 | { |
21 | public: | |
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22 | explicit ConstClockSnapshot(const _LibObjPtr libObjPtr) noexcept : |
23 | _ThisBorrowedObject {libObjPtr} | |
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24 | { |
25 | } | |
26 | ||
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27 | std::uint64_t value() const noexcept |
28 | { | |
341a67c4 | 29 | return bt_clock_snapshot_get_value(this->libObjPtr()); |
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30 | } |
31 | ||
32 | operator std::uint64_t() const noexcept | |
33 | { | |
34 | return this->value(); | |
35 | } | |
36 | ||
37 | std::int64_t nsFromOrigin() const | |
38 | { | |
39 | std::int64_t nsFromOrigin; | |
341a67c4 | 40 | const auto status = bt_clock_snapshot_get_ns_from_origin(this->libObjPtr(), &nsFromOrigin); |
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41 | |
42 | if (status == BT_CLOCK_SNAPSHOT_GET_NS_FROM_ORIGIN_STATUS_OVERFLOW_ERROR) { | |
39278ebc | 43 | throw OverflowError {}; |
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44 | } |
45 | ||
46 | return nsFromOrigin; | |
47 | } | |
48 | }; | |
49 | ||
b5f55e9f | 50 | } /* namespace bt2 */ |
3aafc165 | 51 | |
b5f55e9f | 52 | #endif /* BABELTRACE_CPP_COMMON_BT2_CLOCK_SNAPSHOT_HPP */ |