The R13B03 release.OTP_R13B03

1 files changed, 87 insertions, 0 deletions

diff --git a/lib/kernel/src/inet6_udp.erl b/lib/kernel/src/inet6_udp.erl
new file mode 100644
index 0000000000..e81d417151
--- /dev/null
+++ b/lib/kernel/src/inet6_udp.erl
@@ -0,0 +1,87 @@
+%%
+%% %CopyrightBegin%
+%% 
+%% Copyright Ericsson AB 1997-2009. 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
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%% 
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%% 
+%% %CopyrightEnd%
+%%
+-module(inet6_udp).
+
+-export([open/1, open/2, close/1]).
+-export([send/2, send/4, recv/2, recv/3, connect/3]).
+-export([controlling_process/2]).
+-export([fdopen/2]).
+
+-export([getserv/1, getaddr/1, getaddr/2]).
+
+-include("inet_int.hrl").
+
+%% inet_udp port lookup
+getserv(Port) when is_integer(Port) -> {ok, Port};
+getserv(Name) when is_atom(Name)    -> inet:getservbyname(Name,udp).
+
+%% inet_udp address lookup
+getaddr(Address) -> inet:getaddr(Address, inet6).
+getaddr(Address,Timer) -> inet:getaddr(Address, inet6, Timer).
+
+open(Port) -> open(Port, []).
+
+open(Port, Opts) ->
+    case inet:udp_options([{port,Port} | Opts], inet6) of
+	{error, Reason} -> exit(Reason);
+	{ok, #udp_opts{fd=Fd,
+		       ifaddr=BAddr={A,B,C,D,E,F,G,H},
+		       port=BPort,
+		       opts=SockOpts}}
+	when ?ip6(A,B,C,D,E,F,G,H), ?port(BPort) ->
+	    inet:open(Fd,BAddr,BPort,SockOpts,udp,inet6,?MODULE);
+	{ok, _} -> exit(badarg)
+    end.
+
+send(S, Addr = {A,B,C,D,E,F,G,H}, P, Data)
+  when ?ip6(A,B,C,D,E,F,G,H), ?port(P) ->
+    prim_inet:sendto(S, Addr, P, Data).
+
+send(S, Data) ->
+    prim_inet:sendto(S, {0,0,0,0,0,0,0,0}, 0, Data).
+    
+connect(S, Addr = {A,B,C,D,E,F,G,H}, P) 
+  when ?ip6(A,B,C,D,E,F,G,H), ?port(P) ->
+    prim_inet:connect(S, Addr, P).
+
+recv(S,Len) ->
+    prim_inet:recvfrom(S, Len).
+
+recv(S,Len,Time) ->
+    prim_inet:recvfrom(S, Len, Time).
+
+close(S) ->
+    inet:udp_close(S).
+
+%%
+%% Set controlling process:
+%% 1) First sync socket into a known state
+%% 2) Move all messages onto the new owners message queue
+%% 3) Commit the owner 
+%% 4) Wait for ack of new Owner (since socket does some link and unlink)
+%%
+
+controlling_process(Socket, NewOwner) ->
+    inet:udp_controlling_process(Socket, NewOwner).
+
+%%
+%% Create a port/socket from a file descriptor 
+%%
+fdopen(Fd, Opts) ->
+    inet:fdopen(Fd, Opts, udp, inet6, ?MODULE).