fix url parsing, handle IPs

Author: benoitc

src/hackney.erl

@@ -311,17 +311,18 @@ request(Method, #hackney_url{}=URL0, Headers0, Body, Options0) ->
   URL = hackney_url:normalize(URL0, PathEncodeFun),
 
   ?report_trace("request", [{method, Method},
-    {url, URL},
-    {headers, Headers0},
-    {body, Body},
-    {options, Options0}]),
+                            {url, URL},
+                            {headers, Headers0},
+                            {body, Body},
+                            {options, Options0}]),
 
   #hackney_url{transport=Transport,
-    host = Host,
-    port = Port,
-    user = User,
-    password = Password,
-    scheme = Scheme} = URL,
+               host = Host,
+               port = Port,
+               user = User,
+               password = Password,
+               scheme = Scheme} = URL,
+
 
   Options = case User of
               <<>> ->

src/hackney_happy.erl

@@ -48,6 +48,11 @@ getaddrs(Hostname) ->
 getbyname(Hostname, Type) ->
   case (catch inet_res:getbyname(Hostname, Type)) of
     {'ok', #hostent{h_addr_list=AddrList}} -> lists:usort(AddrList);
+    {error, nxdomain} = Error ->
+      case inet:parse_address(Hostname) of
+        {ok, IP} -> [IP];
+        _ -> Error
+      end;
     {error, _Reason} -> [];
     Else ->
       %% ERLANG 22 has an issue when g matching somee DNS server messages