Function cbm_extract_http_info

src/traces/traces.c:77–120

/* ── extractHTTPInfo ─────────────────────────────────────────────── */

bool cbm_extract_http_info(const cbm_trace_span_t *span, const char *service_name,
                           cbm_http_span_info_t *out) {
    if (!span || !out) {
        return false;
    }
    memset(out, 0, sizeof(*out));
    out->service_name = service_name ? service_name : "";
    out->span_kind = span->kind;

    bool has_http = false;
    static char url_buf[CBM_SZ_1K];

    for (int i = 0; i < span->attr_count; i++) {
        const char *key = span->attributes[i].key;
        const char *val = span->attributes[i].string_value;
        if (!key || !val) {
            continue;
        }

        if (strcmp(key, "http.method") == 0 || strcmp(key, "http.request.method") == 0) {
            out->method = val;
            has_http = true;
        } else if (strcmp(key, "http.route") == 0 || strcmp(key, "http.target") == 0 ||
                   strcmp(key, "url.path") == 0) {
            out->path = val;
            has_http = true;
        } else if (strcmp(key, "http.status_code") == 0) {
            out->status_code = val;
        } else if (strcmp(key, "url.full") == 0) {
            const char *path = cbm_extract_path_from_url(val, url_buf, sizeof(url_buf));
            if (path[0] != '\0') {
                out->path = path;
                has_http = true;
            }
        }
    }

    if (!has_http || !out->path || out->path[0] == '\0') {
        return false;
    }

    out->duration_ns = cbm_parse_duration(span->start_time, span->end_time);
    return true;
}

/* ── calculateP99 ────────────────────────────────────────────────── */