69 lines
1.5 KiB
Go
69 lines
1.5 KiB
Go
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package utils
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import (
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"encoding/json"
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"fmt"
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"net"
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"net/http"
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"strconv"
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"strings"
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)
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type ResolverBehavior struct {
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Dnssec bool `json:"dnssec"`
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QnameEncode bool `json:"0x20"`
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QueryMerge int `json:"merge_dup"`
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MaxNsDepth int `json:"max_ns_depth"`
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MaxCnameDepth int `json:"max_cname_depth"`
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RetryLimit int `json:"retry_limit"`
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FetchLimit int `json:"fetch_limit"`
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TimeoutStart int64 `json:"timeout_start"`
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TimeoutEnd int64 `json:"timeout_end"`
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}
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func IsValidIP(ip string) bool {
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res := net.ParseIP(ip)
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return res != nil
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}
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func IPv4ToInt(ip string) (uint32, error) {
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if !IsValidIP(ip) {
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return 0, fmt.Errorf("invalid IP address: %s", ip)
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}
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labels := strings.Split(ip, ".")
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var result uint32
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for _, label := range labels {
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label_val, _ := strconv.Atoi(label)
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result = (result << 8) | uint32(label_val)
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}
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return result, nil
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}
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func GetResult(addr string, token int) (*ResolverBehavior, error) {
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data := new(ResolverBehavior)
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url := "http://" + addr + "/results/" + strconv.Itoa(token)
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response, err := http.Get(url)
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if err != nil {
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return data, err
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}
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defer response.Body.Close()
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if response.StatusCode != http.StatusOK {
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return data, fmt.Errorf("wrong HTTP status code : %v", response.StatusCode)
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}
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err = json.NewDecoder(response.Body).Decode(data)
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if err != nil {
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return data, err
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}
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return data, nil
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}
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func OutputJson(data interface{}) (string, error) {
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json_byte, err := json.Marshal(data)
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if err != nil {
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return "", err
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}
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return string(json_byte), nil
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}
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