1 files changed, 0 insertions, 92 deletions
diff --git a/util.go b/util.go
deleted file mode 100644
index 1548fab..0000000
--- a/util.go
+++ /dev/null
@@ -1,92 +0,0 @@
-package dhtsearch
-
-import (
-	"errors"
-	"fmt"
-	"net"
-)
-
-// makeQuery returns a query-formed data.
-func makeQuery(t, q string, a map[string]interface{}) map[string]interface{} {
-	return map[string]interface{}{
-		"t": t,
-		"y": "q",
-		"q": q,
-		"a": a,
-	}
-}
-
-// makeResponse returns a response-formed data.
-func makeResponse(t string, r map[string]interface{}) map[string]interface{} {
-	return map[string]interface{}{
-		"t": t,
-		"y": "r",
-		"r": r,
-	}
-}
-
-// parseKeys parses keys. It just wraps parseKey.
-func parseKeys(data map[string]interface{}, pairs [][]string) error {
-	for _, args := range pairs {
-		key, t := args[0], args[1]
-		if err := parseKey(data, key, t); err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-// parseKey parses the key in dict data. `t` is type of the keyed value.
-// It's one of "int", "string", "map", "list".
-func parseKey(data map[string]interface{}, key string, t string) error {
-	val, ok := data[key]
-	if !ok {
-		return errors.New("lack of key")
-	}
-
-	switch t {
-	case "string":
-		_, ok = val.(string)
-	case "int":
-		_, ok = val.(int)
-	case "map":
-		_, ok = val.(map[string]interface{})
-	case "list":
-		_, ok = val.([]interface{})
-	default:
-		panic("invalid type")
-	}
-
-	if !ok {
-		return errors.New("invalid key type")
-	}
-
-	return nil
-}
-
-// parseMessage parses the basic data received from udp.
-// It returns a map value.
-func parseMessage(data interface{}) (map[string]interface{}, error) {
-	response, ok := data.(map[string]interface{})
-	if !ok {
-		return nil, errors.New("response is not dict")
-	}
-
-	if err := parseKeys(response, [][]string{{"t", "string"}, {"y", "string"}}); err != nil {
-		return nil, err
-	}
-
-	return response, nil
-}
-
-// Swiped from nictuku
-func compactNodeInfoToString(cni string) string {
-	if len(cni) == 6 {
-		return fmt.Sprintf("%d.%d.%d.%d:%d", cni[0], cni[1], cni[2], cni[3], (uint16(cni[4])<<8)|uint16(cni[5]))
-	} else if len(cni) == 18 {
-		b := []byte(cni[:16])
-		return fmt.Sprintf("[%s]:%d", net.IP.String(b), (uint16(cni[16])<<8)|uint16(cni[17]))
-	} else {
-		return ""
-	}
-}