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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67.68

/src/dftracer/utils/server/http_response.cpp

#include <dftracer/utils/server/http_response.h>

#include <algorithm>
#include <cctype>

namespace dftracer::utils::server {

namespace {

bool icase_equal(std::string_view a, std::string_view b) {
    if (a.size() != b.size()) return false;
    return std::equal(a.begin(), a.end(), b.begin(), [](char ca, char cb) {
        return std::tolower(static_cast<unsigned char>(ca)) ==
               std::tolower(static_cast<unsigned char>(cb));
    });
}

bool has_content_length(
    const std::vector<std::pair<std::string, std::string>> &headers) {
    return std::any_of(headers.begin(), headers.end(), [](const auto &h) {
        return icase_equal(h.first, "Content-Length");
    });
}

}  // namespace

std::string HttpResponse::serialize_headers() const {
    std::string out;
    out.reserve(256);

    out += "HTTP/1.1 ";
    out += std::to_string(status_code);
    out += ' ';
    out += status_text;
    out += "\r\n";

    for (const auto &[name, value] : headers) {
        out += name;
        out += ": ";
        out += value;
        out += "\r\n";
    }

    if (!body.empty() && !has_content_length(headers)) {
        out += "Content-Length: ";
        out += std::to_string(body.size());
        out += "\r\n";
    }

    out += "\r\n";
    return out;
}

std::string HttpResponse::serialize() const {
    auto out = serialize_headers();
    out += body;
    return out;
}

HttpResponse HttpResponse::ok() {
    return HttpResponse{
        .status_code = 200, .status_text = "OK", .headers = {}, .body = {}};
}

HttpResponse HttpResponse::ok(const std::string &body,
                              const std::string &content_type) {
    return HttpResponse{.status_code = 200,
                        .status_text = "OK",
                        .headers = {{"Content-Type", content_type}},
                        .body = body};
}

HttpResponse HttpResponse::not_found() {
    return HttpResponse{.status_code = 404,
                        .status_text = "Not Found",
                        .headers = {{"Content-Type", "text/plain"}},
                        .body = "Not Found"};
}

HttpResponse HttpResponse::bad_request(const std::string &msg) {
    return HttpResponse{.status_code = 400,
                        .status_text = "Bad Request",
                        .headers = {{"Content-Type", "text/plain"}},
                        .body = msg};
}

HttpResponse HttpResponse::internal_error(const std::string &msg) {
    return HttpResponse{.status_code = 500,
                        .status_text = "Internal Server Error",
                        .headers = {{"Content-Type", "text/plain"}},
                        .body = msg};
}

HttpResponse HttpResponse::streaming(std::unique_ptr<StreamGenerator> gen,
                                     const std::string &content_type) {
    HttpResponse resp;
    resp.status_code = 200;
    resp.status_text = "OK";
    resp.headers = {{"Content-Type", content_type},
                    {"Transfer-Encoding", "chunked"}};
    resp.stream = std::move(gen);
    return resp;
}

}  // namespace dftracer::utils::server

1	#include <dftracer/utils/server/http_response.h>
2
3	#include <algorithm>
4	#include <cctype>
5
6	namespace dftracer::utils::server {
7
8	namespace {
9
10	bool icase_equal(std::string_view a, std::string_view b) {	18✔
11	if (a.size() != b.size()) return false;	18✔
12	return std::equal(a.begin(), a.end(), b.begin(), [](char ca, char cb) {	1✔
13	return std::tolower(static_cast<unsigned char>(ca)) ==	14✔
14	std::tolower(static_cast<unsigned char>(cb));	14✔
15	});	1✔
16	}
17
18	bool has_content_length(	18✔
19	const std::vector<std::pair<std::string, std::string>> &headers) {
20	return std::any_of(headers.begin(), headers.end(), [](const auto &h) {	18✔
21	return icase_equal(h.first, "Content-Length");	18!
22	});	18✔
23	}
24
25	} // namespace
26
27	std::string HttpResponse::serialize_headers() const {	22✔
28	std::string out;	22✔
29	out.reserve(256);	22!
30
31	out += "HTTP/1.1 ";	22!
32	out += std::to_string(status_code);	22!
33	out += ' ';	22!
34	out += status_text;	22!
35	out += "\r\n";	22!
36
37	for (const auto &[name, value] : headers) {	48✔
38	out += name;	26!
39	out += ": ";	26!
40	out += value;	26!
41	out += "\r\n";	26!
42	}
43
44	if (!body.empty() && !has_content_length(headers)) {	22!
45	out += "Content-Length: ";	17!
46	out += std::to_string(body.size());	17!
47	out += "\r\n";	17!
48	}
49
50	out += "\r\n";	22!
51	return out;	22✔
UNCOV 52	}	×
53
54	std::string HttpResponse::serialize() const {	16✔
55	auto out = serialize_headers();	16✔
56	out += body;	16!
57	return out;	16✔
UNCOV 58	}	×
59
60	HttpResponse HttpResponse::ok() {	2✔
61	return HttpResponse{
62	.status_code = 200, .status_text = "OK", .headers = {}, .body = {}};	2!
63	}
64
65	HttpResponse HttpResponse::ok(const std::string &body,	15✔
66	const std::string &content_type) {
67	return HttpResponse{.status_code = 200,
68	.status_text = "OK",
69	.headers = {{"Content-Type", content_type}},
70	.body = body};	30!
71	}
72
73	HttpResponse HttpResponse::not_found() {	3✔
74	return HttpResponse{.status_code = 404,
75	.status_text = "Not Found",
76	.headers = {{"Content-Type", "text/plain"}},
77	.body = "Not Found"};	6!
78	}
79
80	HttpResponse HttpResponse::bad_request(const std::string &msg) {	3✔
81	return HttpResponse{.status_code = 400,
82	.status_text = "Bad Request",
83	.headers = {{"Content-Type", "text/plain"}},
84	.body = msg};	6!
85	}
86
87	HttpResponse HttpResponse::internal_error(const std::string &msg) {	1✔
88	return HttpResponse{.status_code = 500,
89	.status_text = "Internal Server Error",
90	.headers = {{"Content-Type", "text/plain"}},
91	.body = msg};	2!
92	}
93
94	HttpResponse HttpResponse::streaming(std::unique_ptr<StreamGenerator> gen,	2✔
95	const std::string &content_type) {
96	HttpResponse resp;	2✔
97	resp.status_code = 200;	2✔
98	resp.status_text = "OK";	2!
99	resp.headers = {{"Content-Type", content_type},	8!
100	{"Transfer-Encoding", "chunked"}};	6!
101	resp.stream = std::move(gen);	2✔
102	return resp;	2✔
UNCOV 103	}	×
104
105	} // namespace dftracer::utils::server

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