26195612357

Committed 20 May 2026 11:19PM UTC coverage: 49.859% (-2.3%) from 52.2%

Build # 26195612357

Build Type

push

github

Committed by

hariharan-devarajan

Commit Message

feat(aggregator): improve system metrics scanning and persistence error handling

Coverage Stats

16041 of 43831 branches covered (36.6%)

Branch coverage included in aggregate %.

6 of 17 new or added lines in 2 files covered. (35.29%)

1072 existing lines in 104 files now uncovered.

21423 of 31309 relevant lines covered (68.42%)

13054.31 hits per line

Source File
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78.79

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

#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 std::invalid_argument(
            "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/rocksdb/key_codec.h>
2
3	#include <stdexcept>
4
5	namespace dftracer::utils::rocksdb {
6
7	namespace {
8
9	template <typename T>
10	T decode_big_endian(std::string_view bytes) {	283,108✔
11	if (bytes.size() != sizeof(T)) {	283,108!
12	throw std::invalid_argument(	×
13	"KeyCodec: invalid big-endian integer width");
14	}
15
16	T value = 0;	283,076✔
17	for (unsigned char byte : bytes) {	2,393,842✔
18	value = static_cast<T>((value << 8U) \| byte);	2,110,766✔
19	}
20	return value;	283,120✔
21	}
22
23	} // namespace
24
25	std::string KeyCodec::encode_be32(std::uint32_t value) {	16,251✔
26	std::string out;	16,251✔
27	out.reserve(sizeof(value));	16,228!
28	append_be32(out, value);	16,221!
29	return out;	16,252✔
UNCOV 30	}	×
31
32	std::string KeyCodec::encode_be64(std::uint64_t value) {	1,396✔
33	std::string out;	1,396✔
34	out.reserve(sizeof(value));	1,397!
35	append_be64(out, value);	1,394!
36	return out;	1,398✔
UNCOV 37	}	×
38
39	std::uint32_t KeyCodec::decode_be32(std::string_view bytes) {	38,401✔
40	return decode_big_endian<std::uint32_t>(bytes);	38,401✔
41	}
42
43	std::uint64_t KeyCodec::decode_be64(std::string_view bytes) {	244,718✔
44	return decode_big_endian<std::uint64_t>(bytes);	244,718✔
45	}
46
47	void KeyCodec::append_be32(std::string& out, std::uint32_t value) {	67,067✔
48	for (int shift = 24; shift >= 0; shift -= 8) {	334,630✔
49	out.push_back(static_cast<char>((value >> shift) & 0xFFU));	267,752✔
50	}
51	}	66,878✔
52
53	void KeyCodec::append_be64(std::string& out, std::uint64_t value) {	68,836✔
54	for (int shift = 56; shift >= 0; shift -= 8) {	617,430✔
55	out.push_back(static_cast<char>((value >> shift) & 0xFFU));	548,803✔
56	}
57	}	68,627✔
58
59	KeyBuilder& KeyBuilder::append_tag(std::string_view tag) {	1✔
60	key_.append(tag);	1✔
61	return *this;	1✔
62	}
63
64	KeyBuilder& KeyBuilder::append_separator() {	1✔
65	key_.push_back('\0');	1✔
66	return *this;	1✔
67	}
68
69	KeyBuilder& KeyBuilder::append_string(std::string_view value) {	×
70	key_.append(value);	×
71	return *this;	×
72	}
73
74	KeyBuilder& KeyBuilder::append_be32(std::uint32_t value) {	1✔
75	KeyCodec::append_be32(key_, value);	1✔
76	return *this;	1✔
77	}
78
79	KeyBuilder& KeyBuilder::append_be64(std::uint64_t value) {	1✔
80	KeyCodec::append_be64(key_, value);	1✔
81	return *this;	1✔
82	}
83
84	std::string KeyBuilder::build() const { return key_; }	1✔
85
86	void KeyBuilder::clear() { key_.clear(); }	×
87
88	} // namespace dftracer::utils::rocksdb

llnl / dftracer-utils / 26195612357

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