30067416336

Committed 24 Jul 2026 04:40AM UTC coverage: 50.693% (-2.0%) from 52.66%

Build # 30067416336

Build Type

Pull #99

github

Committed by

web-flow

Commit Message

Merge 464586f0d into 06bc84ec9

Pull Request Pull Request #99: Support CM time_metric (NS/MS/SEC/US) across reader and viz

Coverage Stats

18063 of 48203 branches covered (37.47%)

Branch coverage included in aggregate %.

1514 of 2204 new or added lines in 58 files covered. (68.69%)

741 existing lines in 114 files now uncovered.

23715 of 34210 relevant lines covered (69.32%)

39842.55 hits per line

Source File
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76.47

/src/dftracer/utils/core/rocksdb/key_codec.cpp

#include <dftracer/utils/core/common/error.h>
#include <dftracer/utils/core/rocksdb/key_codec.h>

#include <stdexcept>

namespace dftracer::utils::rocksdb {

namespace {

template <typename T>
T decode_big_endian(std::string_view bytes) {
    if (bytes.size() != sizeof(T)) {
        throw DFTUtilsException(ErrorCode::PARSE,
                                "KeyCodec: invalid big-endian integer width");
    }

    T value = 0;
    for (unsigned char byte : bytes) {
        value = static_cast<T>((value << 8U) | byte);
    }
    return value;
}

}  // namespace

std::string KeyCodec::encode_be32(std::uint32_t value) {
    std::string out;
    out.reserve(sizeof(value));
    append_be32(out, value);
    return out;
}

std::string KeyCodec::encode_be64(std::uint64_t value) {
    std::string out;
    out.reserve(sizeof(value));
    append_be64(out, value);
    return out;
}

std::uint32_t KeyCodec::decode_be32(std::string_view bytes) {
    return decode_big_endian<std::uint32_t>(bytes);
}

std::uint64_t KeyCodec::decode_be64(std::string_view bytes) {
    return decode_big_endian<std::uint64_t>(bytes);
}

void KeyCodec::append_be32(std::string& out, std::uint32_t value) {
    for (int shift = 24; shift >= 0; shift -= 8) {
        out.push_back(static_cast<char>((value >> shift) & 0xFFU));
    }
}

void KeyCodec::append_be64(std::string& out, std::uint64_t value) {
    for (int shift = 56; shift >= 0; shift -= 8) {
        out.push_back(static_cast<char>((value >> shift) & 0xFFU));
    }
}

KeyBuilder& KeyBuilder::append_tag(std::string_view tag) {
    key_.append(tag);
    return *this;
}

KeyBuilder& KeyBuilder::append_separator() {
    key_.push_back('\0');
    return *this;
}

KeyBuilder& KeyBuilder::append_string(std::string_view value) {
    key_.append(value);
    return *this;
}

KeyBuilder& KeyBuilder::append_be32(std::uint32_t value) {
    KeyCodec::append_be32(key_, value);
    return *this;
}

KeyBuilder& KeyBuilder::append_be64(std::uint64_t value) {
    KeyCodec::append_be64(key_, value);
    return *this;
}

std::string KeyBuilder::build() const { return key_; }

void KeyBuilder::clear() { key_.clear(); }

}  // namespace dftracer::utils::rocksdb

1	#include <dftracer/utils/core/common/error.h>
2	#include <dftracer/utils/core/rocksdb/key_codec.h>
3
4	#include <stdexcept>
5
6	namespace dftracer::utils::rocksdb {
7
8	namespace {
9
10	template <typename T>
11	T decode_big_endian(std::string_view bytes) {	384,271✔
12	if (bytes.size() != sizeof(T)) {	384,271!
13	throw DFTUtilsException(ErrorCode::PARSE,	×
14	"KeyCodec: invalid big-endian integer width");
15	}
16
17	T value = 0;	384,264✔
18	for (unsigned char byte : bytes) {	3,001,479✔
19	value = static_cast<T>((value << 8U) \| byte);	2,617,215✔
20	}
21	return value;	384,317✔
22	}
23
24	} // namespace
25
26	std::string KeyCodec::encode_be32(std::uint32_t value) {	18,373✔
27	std::string out;	18,373✔
28	out.reserve(sizeof(value));	18,343!
29	append_be32(out, value);	18,334!
30	return out;	18,369✔
UNCOV 31	}	×
32
33	std::string KeyCodec::encode_be64(std::uint64_t value) {	1,602✔
34	std::string out;	1,602✔
35	out.reserve(sizeof(value));	1,600!
36	append_be64(out, value);	1,604!
37	return out;	1,608✔
UNCOV 38	}	×
39
40	std::uint32_t KeyCodec::decode_be32(std::string_view bytes) {	114,202✔
41	return decode_big_endian<std::uint32_t>(bytes);	114,202✔
42	}
43
44	std::uint64_t KeyCodec::decode_be64(std::string_view bytes) {	270,091✔
45	return decode_big_endian<std::uint64_t>(bytes);	270,091✔
46	}
47
48	void KeyCodec::append_be32(std::string& out, std::uint32_t value) {	236,337✔
49	for (int shift = 24; shift >= 0; shift -= 8) {	1,180,336✔
50	out.push_back(static_cast<char>((value >> shift) & 0xFFU));	944,306✔
51	}
52	}	236,030✔
53
54	void KeyCodec::append_be64(std::string& out, std::uint64_t value) {	238,206✔
55	for (int shift = 56; shift >= 0; shift -= 8) {	2,139,931✔
56	out.push_back(static_cast<char>((value >> shift) & 0xFFU));	1,901,965✔
57	}
58	}	237,966✔
59
60	KeyBuilder& KeyBuilder::append_tag(std::string_view tag) {	1✔
61	key_.append(tag);	1✔
62	return *this;	1✔
63	}
64
65	KeyBuilder& KeyBuilder::append_separator() {	1✔
66	key_.push_back('\0');	1✔
67	return *this;	1✔
68	}
69
70	KeyBuilder& KeyBuilder::append_string(std::string_view value) {	×
71	key_.append(value);	×
72	return *this;	×
73	}
74
75	KeyBuilder& KeyBuilder::append_be32(std::uint32_t value) {	1✔
76	KeyCodec::append_be32(key_, value);	1✔
77	return *this;	1✔
78	}
79
80	KeyBuilder& KeyBuilder::append_be64(std::uint64_t value) {	1✔
81	KeyCodec::append_be64(key_, value);	1✔
82	return *this;	1✔
83	}
84
85	std::string KeyBuilder::build() const { return key_; }	1✔
86
87	void KeyBuilder::clear() { key_.clear(); }	×
88
89	} // namespace dftracer::utils::rocksdb

llnl / dftracer-utils / 30067416336

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