add client and transport

test_client/main.go

@@ -1,13 +1,27 @@
 package main
 
 import (
+	"errors"
 	"fmt"
 
 	"git.3crabs.ru/VLADIMIR/net/http"
 )
 
+type CustomDNS struct{}
+
+func (*CustomDNS) GetIP(domain string) (string, error) {
+	if domain == "test.ru" {
+		return "127.0.0.1:8081", nil
+	}
+	return "", errors.New("ip not found")
+}
+
 func main() {
-	r, err := http.Do(
+	client := http.Client{
+		DNS:       &CustomDNS{},
+		Transport: &http.HttpTransport{},
+	}
+	r, err := client.Do(
 		"GET",
 		"http://test.ru",
 		[]http.Header{