Re: [PATCH] epmd: support IPv6 node registration
Fredrik <[email protected]>
| Newsgroups | gmane.comp.lang.erlang.patches |
|---|---|
| Message-ID | <[email protected]> |
On 05/03/2013 03:27 PM, Michael Santos wrote: > On Wed, Feb 20, 2013 at 07:55:17AM -0500, Michael Santos wrote: >> Allow IPv6 nodes to register with and query epmd. On systems with >> IPv6 support: >> >> * epmd listens on both the IPv4 and IPv6 ANY or loopback sockets >> >> * the epmd cli client connects to epmd over the IPv6 loopback >> >> * distributed nodes started with "-proto_dist inet6_tcp" will register >> with epmd over IPv6 >> >> The interaction between IPv4 and IPv6 sockets depends on the platform: >> >> * FreeBSD allows multiple "specific" sockets to bind the same port (such >> as 2 sockets listening to the same port on ANY and the loopback). >> Binding port 4369 to IPv4 and IPv6 sockets simulataneously is allowed. >> >> * Linux does not allow the same port to be bound by different sockets. >> Setting the IPV6_V6ONLY socket option is required. >> >> * Windows >> >> The behaviour differs depending on the version of Windows: >> >> http://msdn.microsoft.com/en-us/library/windows/desktop/bb513665(v=vs.85).aspx >> >> According to the site, sockets on Windows XP with Service Pack 1 (SP1) >> and Windows Server 2003 will only listen on either IPv4 or IPv6, so >> creating two sockets is required to service IPv4 and IPv6 traffic on >> the same port. The IPV6_V6ONLY socket option is not supported. >> >> For Windows Vista and later, a single socket can handle IPv4 and IPv6 >> traffic for the same port. The IPV6_V6ONLY socket option is supported >> and is enabled for IPv6 sockets by default. >> --- >> erts/doc/src/epmd.xml | 2 +- >> erts/doc/src/erl.xml | 22 +++++ >> erts/epmd/src/epmd.c | 6 +- >> erts/epmd/src/epmd_cli.c | 11 ++- >> erts/epmd/src/epmd_int.h | 63 +++++++++---- >> erts/epmd/src/epmd_srv.c | 184 +++++++++++++++++++++++++------------ >> erts/epmd/test/epmd_SUITE.erl | 33 ++++++- >> lib/kernel/src/erl_epmd.erl | 18 ++-- >> lib/kernel/src/inet6_tcp_dist.erl | 2 +- >> 9 files changed, 248 insertions(+), 93 deletions(-) > ping! > _______________________________________________ > erlang-patches mailing list > [email protected] > http://erlang.org/mailman/listinfo/erlang-patches I thought that I've already mailed you back regarding this patch. But now I don't seem to remember what I wanted you to do about it. I will run it in 'pu' builds over the weekend. If it turns out OK it will be reviewed. -- BR Fredrik Gustafsson Erlang OTP Team _______________________________________________ erlang-patches mailing list [email protected] http://erlang.org/mailman/listinfo/erlang-patches