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m3ua_core: handle 'sctp_paddr_change' event 

This happens e.g. if the route to the peer STP is lost, and we shouldn't
crash just because that happens, but rather try to reconnect...
This commit is contained in:
Harald Welte 2013-07-15 11:27:10 +02:00
parent 9b9ec4abb7
commit a5dfd5b449
1 changed files with 23 additions and 0 deletions
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23
src/m3ua_core.erl
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@ -171,6 +171,29 @@ handle_info({sctp, Socket, _RemoteIp, _RemotePort, {ANC, SAC}},
inet:setopts(Socket, [{active, once}]),
{next_state, asp_down, LoopDat2};
handle_info({sctp, Socket, _RemoteIp, _RemotePort, {ANC, SPC}},
State, LoopDat) when is_record(SPC, sctp_paddr_change) ->
io:format("SCTP Peer address change ~p ~p~n", [ANC, SPC]),
{NewState, LoopDat2} = case SPC#sctp_paddr_change.state of
addr_available ->
% we don't care
{State, LoopDat};
addr_unreachable ->
send_prim_to_user(LoopDat, osmo_util:make_prim('M','SCTP_RELEASE',indication)),
{asp_down, reconnect_sctp(LoopDat)};
addr_removed ->
% FIXME: what if the last one is removed
{State, LoopDat};
addr_added ->
% we don't care
{State, LoopDat};
addr_made_prim ->
% FIXME: do we need to change remote_ip in our LoopDat?
{State, LoopDat}
end,
inet:setopts(Socket, [{active, once}]),
{next_state, NewState, LoopDat2};
handle_info({sctp, Socket, RemoteIp, RemotePort, {[Anc], Data}}, State, LoopDat) ->
io:format("SCTP rx data: ~p ~p~n", [Anc, Data]),
% process incoming SCTP data