29787659139

Committed 20 Jul 2026 11:34PM UTC coverage: 51.578% (-1.1%) from 52.66%

Build # 29787659139

Build Type

Pull #99

github

Committed by

web-flow

Commit Message

Merge ee805adeb into 06bc84ec9

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

Coverage Stats

34832 of 86278 branches covered (40.37%)

Branch coverage included in aggregate %.

1034 of 1319 new or added lines in 30 files covered. (78.39%)

5193 existing lines in 197 files now uncovered.

35349 of 49791 relevant lines covered (70.99%)

9765.54 hits per line

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69.51

/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";

    // Loopback-bound (and optionally token-gated), so allow any origin: this
    // lets the VS Code webview, hosted at a vscode-webview:// origin, read the
    // API cross-origin.
    out += "Access-Control-Allow-Origin: *\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) {	55✔
11	if (a.size() != b.size()) return false;	55✔
12	return std::equal(a.begin(), a.end(), b.begin(), [](char ca, char cb) {	15✔
13	return std::tolower(static_cast<unsigned char>(ca)) ==	28✔
14	std::tolower(static_cast<unsigned char>(cb));	14✔
15	});
16	}	55✔
17
18	bool has_content_length(	55✔
19	const std::vector<std::pair<std::string, std::string>> &headers) {
20	return std::any_of(headers.begin(), headers.end(), [](const auto &h) {	110✔
21	return icase_equal(h.first, "Content-Length");	55✔
22	});
23	}
24
25	} // namespace
26
27	std::string HttpResponse::serialize_headers() const {	61✔
28	std::string out;	61✔
29	out.reserve(256);	61!
30
31	out += "HTTP/1.1 ";	61!
32	out += std::to_string(status_code);	61!
33	out += ' ';	61!
34	out += status_text;	61!
35	out += "\r\n";	61!
36
37	// Loopback-bound (and optionally token-gated), so allow any origin: this
38	// lets the VS Code webview, hosted at a vscode-webview:// origin, read the
39	// API cross-origin.
40	out += "Access-Control-Allow-Origin: *\r\n";	61!
41
42	for (const auto &[name, value] : headers) {	129✔
43	out += name;	68!
44	out += ": ";	68!
45	out += value;	68!
46	out += "\r\n";	68!
47	}
48
49	if (!body.empty() && !has_content_length(headers)) {	61!
50	out += "Content-Length: ";	54!
51	out += std::to_string(body.size());	54!
52	out += "\r\n";	54!
53	}	54✔
54
55	out += "\r\n";	61!
56	return out;	61✔
57	}	61!
58
59	std::string HttpResponse::serialize() const {	54✔
60	auto out = serialize_headers();	54✔
61	out += body;	54!
62	return out;	54✔
63	}	54!
64
65	HttpResponse HttpResponse::ok() {	2✔
66	return HttpResponse{	10✔
67	.status_code = 200, .status_text = "OK", .headers = {}, .body = {}};	8✔
68	}
69
70	HttpResponse HttpResponse::ok(const std::string &body,	51✔
71	const std::string &content_type) {
72	return HttpResponse{.status_code = 200,	153!
73	.status_text = "OK",	51✔
74	.headers = {{"Content-Type", content_type}},	51!
75	.body = body};	51!
UNCOV 76	}	×
77
78	HttpResponse HttpResponse::not_found() {	3✔
79	return HttpResponse{.status_code = 404,	9!
80	.status_text = "Not Found",	3✔
81	.headers = {{"Content-Type", "text/plain"}},	3!
82	.body = "Not Found"};	3!
UNCOV 83	}	×
84
85	HttpResponse HttpResponse::bad_request(const std::string &msg) {	4✔
86	return HttpResponse{.status_code = 400,	12!
87	.status_text = "Bad Request",	4✔
88	.headers = {{"Content-Type", "text/plain"}},	4!
89	.body = msg};	4!
UNCOV 90	}	×
91
92	HttpResponse HttpResponse::internal_error(const std::string &msg) {	1✔
93	return HttpResponse{.status_code = 500,	3!
94	.status_text = "Internal Server Error",	1✔
95	.headers = {{"Content-Type", "text/plain"}},	1!
96	.body = msg};	1!
UNCOV 97	}	×
98
99	HttpResponse HttpResponse::streaming(std::unique_ptr<StreamGenerator> gen,	3✔
100	const std::string &content_type) {
101	HttpResponse resp;	3✔
102	resp.status_code = 200;	3✔
103	resp.status_text = "OK";	3!
104	resp.headers = {{"Content-Type", content_type},	3!
105	{"Transfer-Encoding", "chunked"}};	3!
106	resp.stream = std::move(gen);	3✔
107	return resp;	3✔
108	}	3!
109
110	} // namespace dftracer::utils::server

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