aboutsummaryrefslogtreecommitdiffstats
path: root/lib/kernel/src/gen_udp.erl
diff options
context:
space:
mode:
Diffstat (limited to 'lib/kernel/src/gen_udp.erl')
-rw-r--r--lib/kernel/src/gen_udp.erl34
1 files changed, 22 insertions, 12 deletions
diff --git a/lib/kernel/src/gen_udp.erl b/lib/kernel/src/gen_udp.erl
index 6bded4bda6..99020c7b6c 100644
--- a/lib/kernel/src/gen_udp.erl
+++ b/lib/kernel/src/gen_udp.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2009. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2010. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -29,7 +29,7 @@ open(Port) ->
open(Port, []).
open(Port, Opts) ->
- Mod = mod(Opts),
+ Mod = mod(Opts, undefined),
{ok,UP} = Mod:getserv(Port),
Mod:open(UP, Opts).
@@ -97,21 +97,31 @@ controlling_process(S, NewOwner) ->
%% Create a port/socket from a file descriptor
%%
fdopen(Fd, Opts) ->
- Mod = mod(),
+ Mod = mod(Opts, undefined),
Mod:fdopen(Fd, Opts).
-%% Get the udp_module
-mod() -> inet_db:udp_module().
+%% Get the udp_module, but IPv6 address overrides default IPv4
+mod(Address) ->
+ case inet_db:udp_module() of
+ inet_udp when tuple_size(Address) =:= 8 ->
+ inet6_udp;
+ Mod ->
+ Mod
+ end.
%% Get the udp_module, but option udp_module|inet|inet6 overrides
-mod([{udp_module,Mod}|_]) ->
+mod([{udp_module,Mod}|_], _Address) ->
Mod;
-mod([inet|_]) ->
+mod([inet|_], _Address) ->
inet_udp;
-mod([inet6|_]) ->
+mod([inet6|_], _Address) ->
inet6_udp;
-mod([_|Opts]) ->
- mod(Opts);
-mod([]) ->
- mod().
+mod([{ip, Address}|Opts], _) ->
+ mod(Opts, Address);
+mod([{ifaddr, Address}|Opts], _) ->
+ mod(Opts, Address);
+mod([_|Opts], Address) ->
+ mod(Opts, Address);
+mod([], Address) ->
+ mod(Address).