%% %% %CopyrightBegin% %% %% Copyright Ericsson AB 2007-2013. 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(gen_sctp_SUITE). -include_lib("test_server/include/test_server.hrl"). -include_lib("kernel/include/inet_sctp.hrl"). %%-compile(export_all). -export([all/0, suite/0,groups/0, init_per_suite/1,end_per_suite/1, init_per_group/2,end_per_group/2, init_per_testcase/2, end_per_testcase/2]). -export( [basic/1, api_open_close/1,api_listen/1,api_connect_init/1,api_opts/1, xfer_min/1,xfer_active/1,def_sndrcvinfo/1,implicit_inet6/1, open_multihoming_ipv4_socket/1, open_unihoming_ipv6_socket/1, open_multihoming_ipv6_socket/1, open_multihoming_ipv4_and_ipv6_socket/1, basic_stream/1, xfer_stream_min/1, peeloff_active_once/1, peeloff_active_true/1, buffers/1, names_unihoming_ipv4/1, names_unihoming_ipv6/1, names_multihoming_ipv4/1, names_multihoming_ipv6/1]). suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> [basic, api_open_close, api_listen, api_connect_init, api_opts, xfer_min, xfer_active, def_sndrcvinfo, implicit_inet6, open_multihoming_ipv4_socket, open_unihoming_ipv6_socket, open_multihoming_ipv6_socket, open_multihoming_ipv4_and_ipv6_socket, basic_stream, xfer_stream_min, peeloff_active_once, peeloff_active_true, buffers, names_unihoming_ipv4, names_unihoming_ipv6, names_multihoming_ipv4, names_multihoming_ipv6]. groups() -> []. init_per_suite(_Config) -> case gen_sctp:open() of {ok,Socket} -> gen_sctp:close(Socket), []; {error,Error} when Error =:= eprotonosupport; Error =:= esocktnosupport -> {skip,"SCTP not supported on this machine"} end. end_per_suite(_Config) -> ok. init_per_group(_GroupName, Config) -> Config. end_per_group(_GroupName, Config) -> Config. init_per_testcase(_Func, Config) -> Dog = test_server:timetrap(test_server:seconds(15)), [{watchdog, Dog}|Config]. end_per_testcase(_Func, Config) -> Dog = ?config(watchdog, Config), test_server:timetrap_cancel(Dog). -define(LOGVAR(Var), begin io:format(??Var" = ~p~n", [Var]) end). basic(doc) -> "Hello world"; basic(suite) -> []; basic(Config) when is_list(Config) -> ?line {ok,S} = gen_sctp:open(), ?line ok = gen_sctp:close(S), ok. xfer_min(doc) -> "Minimal data transfer"; xfer_min(suite) -> []; xfer_min(Config) when is_list(Config) -> ?line Stream = 0, ?line Data = <<"The quick brown fox jumps over a lazy dog 0123456789">>, ?line Loopback = {127,0,0,1}, ?line {ok,Sb} = gen_sctp:open([{type,seqpacket}]), ?line {ok,Pb} = inet:port(Sb), ?line ok = gen_sctp:listen(Sb, true), ?line {ok,Sa} = gen_sctp:open(), ?line {ok,Pa} = inet:port(Sa), ?line {ok,#sctp_assoc_change{state=comm_up, error=0, outbound_streams=SaOutboundStreams, inbound_streams=SaInboundStreams, assoc_id=SaAssocId}=SaAssocChange} = gen_sctp:connect(Sa, Loopback, Pb, []), ?line {SbAssocId,SaOutboundStreams,SaInboundStreams} = case recv_event(log_ok(gen_sctp:recv(Sb, infinity))) of {Loopback,Pa, #sctp_assoc_change{state=comm_up, error=0, outbound_streams=SbOutboundStreams, inbound_streams=SbInboundStreams, assoc_id=AssocId}} -> {AssocId,SbInboundStreams,SbOutboundStreams}; {Loopback,Pa, #sctp_paddr_change{state=addr_confirmed, addr={Loopback,Pa}, error=0, assoc_id=AssocId}} -> {Loopback,Pa, #sctp_assoc_change{state=comm_up, error=0, outbound_streams=SbOutboundStreams, inbound_streams=SbInboundStreams, assoc_id=AssocId}} = ?line recv_event(log_ok(gen_sctp:recv(Sb, infinity))), {AssocId,SbInboundStreams,SbOutboundStreams} end, ?line ok = gen_sctp:send(Sa, SaAssocId, 0, Data), ?line case log_ok(gen_sctp:recv(Sb, infinity)) of {Loopback, Pa, [#sctp_sndrcvinfo{stream=Stream, assoc_id=SbAssocId}], Data} -> ok; Event1 -> case recv_event(Event1) of {Loopback,Pa, #sctp_paddr_change{addr = {Loopback,_}, state = State, error = 0, assoc_id = SbAssocId}} when State =:= addr_available; State =:= addr_confirmed -> {Loopback, Pa, [#sctp_sndrcvinfo{stream=Stream, assoc_id=SbAssocId}], Data} = log_ok(gen_sctp:recv(Sb, infinity)) end end, ?line ok = gen_sctp:send(Sb, SbAssocId, 0, Data), ?line case log_ok(gen_sctp:recv(Sa, infinity)) of {Loopback,Pb, [#sctp_sndrcvinfo{stream=Stream, assoc_id=SaAssocId}], Data} -> ok; Event2 -> {Loopback,Pb, #sctp_paddr_change{addr={_,Pb}, state=addr_confirmed, error=0, assoc_id=SaAssocId}} = ?line recv_event(Event2), ?line {Loopback, Pb, [#sctp_sndrcvinfo{stream=Stream, assoc_id=SaAssocId}], Data} = log_ok(gen_sctp:recv(Sa, infinity)) end, %% ?line ok = gen_sctp:eof(Sa, SaAssocChange), ?line {Loopback,Pa,#sctp_shutdown_event{assoc_id=SbAssocId}} = recv_event(log_ok(gen_sctp:recv(Sb, infinity))), ?line {Loopback,Pb, #sctp_assoc_change{state=shutdown_comp, error=0, assoc_id=SaAssocId}} = recv_event(log_ok(gen_sctp:recv(Sa, infinity))), ?line {Loopback,Pa, #sctp_assoc_change{state=shutdown_comp, error=0, assoc_id=SbAssocId}} = recv_event(log_ok(gen_sctp:recv(Sb, infinity))), ?line ok = gen_sctp:close(Sa), ?line ok = gen_sctp:close(Sb), ?line receive Msg -> test_server:fail({received,Msg}) after 17 -> ok end, ok. xfer_active(doc) -> "Minimal data transfer in active mode"; xfer_active(suite) -> []; xfer_active(Config) when is_list(Config) -> ?line Timeout = 2000, ?line Stream = 0, ?line Data = <<"The quick brown fox jumps over a lazy dog 0123456789">>, ?line Loopback = {127,0,0,1}, ?line {ok,Sb} = gen_sctp:open([{active,true}]), ?line {ok,Pb} = inet:port(Sb), ?line ok = gen_sctp:listen(Sb, true), ?line {ok,Sa} = gen_sctp:open([{active,true}]), ?line {ok,Pa} = inet:port(Sa), ?line ok = gen_sctp:connect_init(Sa, Loopback, Pb, []), ?line #sctp_assoc_change{state=comm_up, error=0, outbound_streams=SaOutboundStreams, inbound_streams=SaInboundStreams, assoc_id=SaAssocId} = SaAssocChange = recv_assoc_change(Sa, Loopback, Pb, Timeout), ?line io:format("Sa=~p, Pa=~p, Sb=~p, Pb=~p, SaAssocId=~p, " "SaOutboundStreams=~p, SaInboundStreams=~p~n", [Sa,Pa,Sb,Pb,SaAssocId, SaOutboundStreams,SaInboundStreams]), ?line #sctp_assoc_change{state=comm_up, error=0, outbound_streams=SbOutboundStreams, inbound_streams=SbInboundStreams, assoc_id=SbAssocId} = recv_assoc_change(Sb, Loopback, Pa, Timeout), ?line SbOutboundStreams = SaInboundStreams, ?line SbInboundStreams = SaOutboundStreams, ?line io:format("SbAssocId=~p~n", [SbAssocId]), ?line case recv_paddr_change(Sa, Loopback, Pb, 314) of #sctp_paddr_change{state=addr_confirmed, addr={_,Pb}, error=0, assoc_id=SaAssocId} -> ok; #sctp_paddr_change{state=addr_available, addr={_,Pb}, error=0, assoc_id=SaAssocId} -> ok; timeout -> ok end, ?line case recv_paddr_change(Sb, Loopback, Pa, 314) of #sctp_paddr_change{state=addr_confirmed, addr={Loopback,Pa}, error=0, assoc_id=SbAssocId} -> ok; #sctp_paddr_change{state=addr_available, addr={Loopback,P}, error=0, assoc_id=SbAssocId} -> ?line match_unless_solaris(Pa, P); timeout -> ok end, ?line [] = flush(), ?line ok = do_from_other_process( fun () -> gen_sctp:send(Sa, SaAssocId, 0, Data) end), ?line receive {sctp,Sb,Loopback,Pa, {[#sctp_sndrcvinfo{stream=Stream, assoc_id=SbAssocId}], Data}} -> ok after Timeout -> ?line test_server:fail({timeout,flush()}) end, ?line ok = gen_sctp:send(Sb, SbAssocId, 0, Data), ?line receive {sctp,Sa,Loopback,Pb, {[#sctp_sndrcvinfo{stream=Stream, assoc_id=SaAssocId}], Data}} -> ok after Timeout -> ?line test_server:fail({timeout,flush()}) end, %% ?line ok = gen_sctp:abort(Sa, SaAssocChange), ?line case recv_assoc_change(Sb, Loopback, Pa, Timeout) of #sctp_assoc_change{state=comm_lost, assoc_id=SbAssocId} -> ok; timeout -> ?line test_server:fail({timeout,flush()}) end, ?line ok = gen_sctp:close(Sb), ?line case recv_assoc_change(Sa, Loopback, Pb, Timeout) of #sctp_assoc_change{state=comm_lost, assoc_id=SaAssocId} -> ok; timeout -> ?line io:format("timeout waiting for comm_lost on Sa~n"), ?line match_unless_solaris(ok, {timeout,flush()}) end, ?line receive {sctp_error,Sa,enotconn} -> ok % Solaris after 17 -> ok end, ?line ok = gen_sctp:close(Sa), %% ?line receive Msg -> test_server:fail({unexpected,[Msg]++flush()}) after 17 -> ok end, ok. recv_assoc_change(S, Addr, Port, Timeout) -> receive {sctp,S,Addr,Port,{[], #sctp_assoc_change{}=AssocChange}} -> AssocChange; {sctp,S,Addr,Port, {[#sctp_sndrcvinfo{assoc_id=AssocId}], #sctp_assoc_change{assoc_id=AssocId}=AssocChange}} -> AssocChange after Timeout -> timeout end. recv_paddr_change(S, Addr, Port, Timeout) -> receive {sctp,S,Addr,Port,{[], #sctp_paddr_change{}=PaddrChange}} -> PaddrChange; {sctp,S,Addr,Port, {[#sctp_sndrcvinfo{assoc_id=AssocId}], #sctp_paddr_change{assoc_id=AssocId}=PaddrChange}} -> PaddrChange after Timeout -> timeout end. def_sndrcvinfo(doc) -> "Test that #sctp_sndrcvinfo{} parameters set on a socket " "are used by gen_sctp:send/4"; def_sndrcvinfo(suite) -> []; def_sndrcvinfo(Config) when is_list(Config) -> ?line Loopback = {127,0,0,1}, ?line Data = <<"What goes up, must come down.">>, %% ?line S1 = log_ok(gen_sctp:open( 0, [{sctp_default_send_param,#sctp_sndrcvinfo{ppid=17}}])), ?LOGVAR(S1), ?line P1 = log_ok(inet:port(S1)), ?LOGVAR(P1), ?line #sctp_sndrcvinfo{ppid=17, context=0, timetolive=0, assoc_id=0} = getopt(S1, sctp_default_send_param), ?line ok = gen_sctp:listen(S1, true), %% ?line S2 = log_ok(gen_sctp:open()), ?LOGVAR(S2), ?line P2 = log_ok(inet:port(S2)), ?LOGVAR(P2), ?line #sctp_sndrcvinfo{ppid=0, context=0, timetolive=0, assoc_id=0} = getopt(S2, sctp_default_send_param), %% ?line #sctp_assoc_change{ state=comm_up, error=0, assoc_id=S2AssocId} = S2AssocChange = log_ok(gen_sctp:connect(S2, Loopback, P1, [])), ?LOGVAR(S2AssocChange), ?line case recv_event(log_ok(gen_sctp:recv(S1))) of {Loopback,P2, #sctp_assoc_change{ state=comm_up, error=0, assoc_id=S1AssocId}} -> ?LOGVAR(S1AssocId); {Loopback,P2, #sctp_paddr_change{ state=addr_confirmed, error=0, assoc_id=S1AssocId}} -> ?LOGVAR(S1AssocId), {Loopback,P2, #sctp_assoc_change{ state=comm_up, error=0, assoc_id=S1AssocId}} = recv_event(log_ok(gen_sctp:recv(S1))) end, ?line #sctp_sndrcvinfo{ ppid=17, context=0, timetolive=0} = %, assoc_id=S1AssocId} = getopt( S1, sctp_default_send_param, #sctp_sndrcvinfo{assoc_id=S1AssocId}), ?line #sctp_sndrcvinfo{ ppid=0, context=0, timetolive=0} = %, assoc_id=S2AssocId} = getopt( S2, sctp_default_send_param, #sctp_sndrcvinfo{assoc_id=S2AssocId}), %% ?line ok = gen_sctp:send(S1, S1AssocId, 1, <<"1: ",Data/binary>>), ?line case log_ok(gen_sctp:recv(S2)) of {Loopback,P1, [#sctp_sndrcvinfo{ stream=1, ppid=17, context=0, assoc_id=S2AssocId}], <<"1: ",Data/binary>>} -> ok; Event1 -> ?line {Loopback,P1, #sctp_paddr_change{state=addr_confirmed, addr={_,P1}, error=0, assoc_id=S2AssocId}} = recv_event(Event1), ?line {Loopback,P1, [#sctp_sndrcvinfo{ stream=1, ppid=17, context=0, assoc_id=S2AssocId}], <<"1: ",Data/binary>>} = log_ok(gen_sctp:recv(S2)) end, %% ?line ok = setopt( S1, sctp_default_send_param, #sctp_sndrcvinfo{ppid=18}), ?line ok = setopt( S1, sctp_default_send_param, #sctp_sndrcvinfo{ppid=19, assoc_id=S1AssocId}), ?line #sctp_sndrcvinfo{ ppid=18, context=0, timetolive=0, assoc_id=0} = getopt(S1, sctp_default_send_param), ?line #sctp_sndrcvinfo{ ppid=19, context=0, timetolive=0, assoc_id=S1AssocId} = getopt( S1, sctp_default_send_param, #sctp_sndrcvinfo{assoc_id=S1AssocId}), %% ?line ok = gen_sctp:send(S1, S1AssocId, 0, <<"2: ",Data/binary>>), ?line case log_ok(gen_sctp:recv(S2)) of {Loopback,P1, [#sctp_sndrcvinfo{ stream=0, ppid=19, context=0, assoc_id=S2AssocId}], <<"2: ",Data/binary>>} -> ok end, ?line ok = gen_sctp:send(S2, S2AssocChange, 1, <<"3: ",Data/binary>>), ?line case log_ok(gen_sctp:recv(S1)) of {Loopback,P2, [#sctp_sndrcvinfo{ stream=1, ppid=0, context=0, assoc_id=S1AssocId}], <<"3: ",Data/binary>>} -> ok; Event2 -> case recv_event(Event2) of {Loopback,P2, #sctp_paddr_change{ addr={Loopback,_}, state=State, error=0, assoc_id=S1AssocId}} when State =:= addr_available; State =:= addr_confirmed -> ?line case log_ok(gen_sctp:recv(S1)) of {Loopback,P2, [#sctp_sndrcvinfo{ stream=1, ppid=0, context=0, assoc_id=S1AssocId}], <<"3: ",Data/binary>>} -> ok end end end, ?line ok = do_from_other_process( fun () -> gen_sctp:send( S2, #sctp_sndrcvinfo{stream=0, ppid=20, assoc_id=S2AssocId}, <<"4: ",Data/binary>>) end), ?line case log_ok(do_from_other_process(fun() -> gen_sctp:recv(S1) end)) of {Loopback,P2, [#sctp_sndrcvinfo{ stream=0, ppid=20, context=0, assoc_id=S1AssocId}], <<"4: ",Data/binary>>} -> ok end, %% ?line ok = gen_sctp:close(S1), ?line ok = gen_sctp:close(S2), ?line receive Msg -> test_server:fail({received,Msg}) after 17 -> ok end, ok. getopt(S, Opt) -> {ok,[{Opt,Val}]} = inet:getopts(S, [Opt]), Val. getopt(S, Opt, Param) -> {ok,[{Opt,Val}]} = inet:getopts(S, [{Opt,Param}]), Val. setopt(S, Opt, Val) -> inet:setopts(S, [{Opt,Val}]). log_ok(X) -> log(ok(X)). ok({ok,X}) -> X. err([], Result) -> erlang:error(Result); err([Reason|_], {error,Reason}) -> ok; err([_|Reasons], Result) -> err(Reasons, Result). log(X) -> io:format("LOG[~w]: ~p~n", [self(),X]), X. flush() -> receive Msg -> [Msg|flush()] after 17 -> [] end. api_open_close(doc) -> "Test the API function open/1,2 and close/1"; api_open_close(suite) -> []; api_open_close(Config) when is_list(Config) -> ?line {ok,S1} = gen_sctp:open(0), ?line {ok,P} = inet:port(S1), ?line ok = gen_sctp:close(S1), ?line {ok,S2} = gen_sctp:open(P), ?line {ok,P} = inet:port(S2), ?line ok = gen_sctp:close(S2), ?line {ok,S3} = gen_sctp:open([{port,P}]), ?line {ok,P} = inet:port(S3), ?line ok = gen_sctp:close(S3), ?line {ok,S4} = gen_sctp:open(P, []), ?line {ok,P} = inet:port(S4), ?line ok = gen_sctp:close(S4), ?line {ok,S5} = gen_sctp:open(P, [{ifaddr,any}]), ?line {ok,P} = inet:port(S5), ?line ok = gen_sctp:close(S5), ?line ok = gen_sctp:close(S5), ?line try gen_sctp:close(0) catch error:badarg -> ok end, ?line try gen_sctp:open({}) catch error:badarg -> ok end, ?line try gen_sctp:open(-1) catch error:badarg -> ok end, ?line try gen_sctp:open(65536) catch error:badarg -> ok end, ?line try gen_sctp:open(make_ref(), []) catch error:badarg -> ok end, ?line try gen_sctp:open(0, {}) catch error:badarg -> ok end, ?line try gen_sctp:open(0, [make_ref()]) catch error:badarg -> ok end, ?line try gen_sctp:open([{invalid_option,0}]) catch error:badarg -> ok end, ?line try gen_sctp:open(0, [{mode,invalid_mode}]) catch error:badarg -> ok end, ok. api_listen(doc) -> "Test the API function listen/2"; api_listen(suite) -> []; api_listen(Config) when is_list(Config) -> ?line Localhost = {127,0,0,1}, ?line try gen_sctp:listen(0, true) catch error:badarg -> ok end, ?line {ok,S} = gen_sctp:open(), ?line {ok,Pb} = inet:port(S), ?line try gen_sctp:listen(S, not_allowed_for_listen) catch error:badarg -> ok end, ?line ok = gen_sctp:close(S), ?line {error,closed} = gen_sctp:listen(S, true), ?line {ok,Sb} = gen_sctp:open(Pb), ?line {ok,Sa} = gen_sctp:open(), ?line case gen_sctp:connect(Sa, localhost, Pb, []) of {error,econnrefused} -> ?line {ok,{Localhost, Pb,[], #sctp_assoc_change{ state=comm_lost}}} = gen_sctp:recv(Sa, infinity); {error,#sctp_assoc_change{state=cant_assoc}} -> ok%; %% {error,{Localhost,Pb,_,#sctp_assoc_change{state=cant_assoc}}} -> %% ok end, ?line ok = gen_sctp:listen(Sb, true), ?line {ok,#sctp_assoc_change{state=comm_up, error=0}} = gen_sctp:connect(Sa, localhost, Pb, []), ?line ok = gen_sctp:close(Sa), ?line ok = gen_sctp:close(Sb), ok. api_connect_init(doc) -> "Test the API function connect_init/4"; api_connect_init(suite) -> []; api_connect_init(Config) when is_list(Config) -> ?line Localhost = {127,0,0,1}, ?line {ok,S} = gen_sctp:open(), ?line {ok,Pb} = inet:port(S), ?line try gen_sctp:connect_init(S, Localhost, not_allowed_for_port, []) catch error:badarg -> ok end, ?line try gen_sctp:connect_init(S, Localhost, 12345, not_allowed_for_opts) catch error:badarg -> ok end, ?line ok = gen_sctp:close(S), ?line {error,closed} = gen_sctp:connect_init(S, Localhost, 12345, []), ?line {ok,Sb} = gen_sctp:open(Pb), ?line {ok,Sa} = gen_sctp:open(), ?line case gen_sctp:connect_init(Sa, localhost, Pb, []) of {error,econnrefused} -> ?line {Localhost,Pb,#sctp_assoc_change{state=comm_lost}} = recv_event(log_ok(gen_sctp:recv(Sa, infinity))); ok -> ?line {Localhost,Pb,#sctp_assoc_change{state=cant_assoc}} = recv_event(log_ok(gen_sctp:recv(Sa, infinity))) end, ?line ok = gen_sctp:listen(Sb, true), ?line case gen_sctp:connect_init(Sa, localhost, Pb, []) of ok -> ?line {Localhost,Pb,#sctp_assoc_change{state=comm_up}} = recv_event(log_ok(gen_sctp:recv(Sa, infinity))) end, ?line ok = gen_sctp:close(Sa), ?line ok = gen_sctp:close(Sb), ok. recv_event({Addr,Port,[],#sctp_assoc_change{}=AssocChange}) -> {Addr,Port,AssocChange}; recv_event({Addr,Port, [#sctp_sndrcvinfo{assoc_id=Assoc}], #sctp_assoc_change{assoc_id=Assoc}=AssocChange}) -> {Addr,Port,AssocChange}; recv_event({Addr,Port,[],#sctp_paddr_change{}=PaddrChange}) -> {Addr,Port,PaddrChange}; recv_event({Addr,Port, [#sctp_sndrcvinfo{assoc_id=Assoc}], #sctp_paddr_change{assoc_id=Assoc}=PaddrChange}) -> {Addr,Port,PaddrChange}; recv_event({Addr,Port,[],#sctp_shutdown_event{}=ShutdownEvent}) -> {Addr,Port,ShutdownEvent}; recv_event({Addr,Port, [#sctp_sndrcvinfo{assoc_id=Assoc}], #sctp_shutdown_event{assoc_id=Assoc}=ShutdownEvent}) -> {Addr,Port,ShutdownEvent}. api_opts(doc) -> "Test socket options"; api_opts(suite) -> []; api_opts(Config) when is_list(Config) -> ?line Sndbuf = 32768, ?line Recbuf = 65536, ?line {ok,S} = gen_sctp:open(0), ?line OSType = os:type(), ?line case {inet:setopts(S, [{linger,{true,2}}]),OSType} of {ok,_} -> ok; {{error,einval},{unix,sunos}} -> ok end, ?line ok = inet:setopts(S, [{sndbuf,Sndbuf}]), ?line ok = inet:setopts(S, [{recbuf,Recbuf}]), ?line case inet:getopts(S, [sndbuf]) of {ok,[{sndbuf,SB}]} when SB >= Sndbuf -> ok end, ?line case inet:getopts(S, [recbuf]) of {ok,[{recbuf,RB}]} when RB >= Recbuf -> ok end. implicit_inet6(Config) when is_list(Config) -> ?line Hostname = log_ok(inet:gethostname()), ?line case gen_sctp:open(0, [inet6]) of {ok,S1} -> ?line case inet:getaddr(Hostname, inet6) of {ok,Host} -> ?line Loopback = {0,0,0,0,0,0,0,1}, ?line io:format("~s ~p~n", ["Loopback",Loopback]), ?line implicit_inet6(S1, Loopback), ?line ok = gen_sctp:close(S1), %% ?line Localhost = log_ok(inet:getaddr("localhost", inet6)), ?line io:format("~s ~p~n", ["localhost",Localhost]), ?line S2 = log_ok(gen_sctp:open(0, [{ip,Localhost}])), ?line implicit_inet6(S2, Localhost), ?line ok = gen_sctp:close(S2), %% ?line io:format("~s ~p~n", [Hostname,Host]), ?line S3 = log_ok(gen_sctp:open(0, [{ifaddr,Host}])), ?line implicit_inet6(S3, Host), ?line ok = gen_sctp:close(S1); {error,eafnosupport} -> ?line ok = gen_sctp:close(S1), {skip,"Can not look up IPv6 address"} end; _ -> {skip,"IPv6 not supported"} end. implicit_inet6(S1, Addr) -> ?line ok = gen_sctp:listen(S1, true), ?line P1 = log_ok(inet:port(S1)), ?line S2 = log_ok(gen_sctp:open(0, [inet6])), ?line P2 = log_ok(inet:port(S2)), ?line #sctp_assoc_change{state=comm_up} = log_ok(gen_sctp:connect(S2, Addr, P1, [])), ?line case recv_event(log_ok(gen_sctp:recv(S1))) of {Addr,P2,#sctp_assoc_change{state=comm_up}} -> ok; {Addr,P2,#sctp_paddr_change{state=addr_confirmed, addr={Addr,P2}, error=0}} -> {Addr,P2,#sctp_assoc_change{state=comm_up}} = recv_event(log_ok(gen_sctp:recv(S1))) end, ?line case log_ok(inet:sockname(S1)) of {Addr,P1} -> ok; {{0,0,0,0,0,0,0,0},P1} -> ok end, ?line case log_ok(inet:sockname(S2)) of {Addr,P2} -> ok; {{0,0,0,0,0,0,0,0},P2} -> ok end, ?line ok = gen_sctp:close(S2). basic_stream(doc) -> "Hello world stream socket"; basic_stream(suite) -> []; basic_stream(Config) when is_list(Config) -> ?line {ok,S} = gen_sctp:open([{type,stream}]), ?line ok = gen_sctp:listen(S, true), ?line ok = do_from_other_process( fun () -> gen_sctp:listen(S, 10) end), ?line ok = gen_sctp:close(S), ok. xfer_stream_min(doc) -> "Minimal data transfer"; xfer_stream_min(suite) -> []; xfer_stream_min(Config) when is_list(Config) -> ?line Stream = 0, ?line Data = <<"The quick brown fox jumps over a lazy dog 0123456789">>, ?line Loopback = {127,0,0,1}, ?line {ok,Sb} = gen_sctp:open([{type,seqpacket}]), ?line ?LOGVAR(Sb), ?line {ok,Pb} = inet:port(Sb), ?line ?LOGVAR(Pb), ?line ok = gen_sctp:listen(Sb, true), ?line {ok,Sa} = gen_sctp:open([{type,stream}]), ?line ?LOGVAR(Sa), ?line {ok,Pa} = inet:port(Sa), ?line ?LOGVAR(Pa), ?line #sctp_assoc_change{state=comm_up, error=0, outbound_streams=SaOutboundStreams, inbound_streams=SaInboundStreams, assoc_id=SaAssocId_X} = log_ok(gen_sctp:connect(Sa, Loopback, Pb, [])), ?line ?LOGVAR(SaAssocId_X), ?line [{_,#sctp_paddrinfo{assoc_id=SaAssocId,state=active}}] = log_ok(inet:getopts(Sa, [{sctp_get_peer_addr_info, #sctp_paddrinfo{address={Loopback,Pb}}}])), ?line ?LOGVAR(SaAssocId), ?line match_unless_solaris(SaAssocId_X, SaAssocId), ?line {SbOutboundStreams,SbInboundStreams,SbAssocId} = case recv_event(log_ok(gen_sctp:recv(Sb, infinity))) of {Loopback,Pa, #sctp_assoc_change{state=comm_up, error=0, outbound_streams=OS, inbound_streams=IS, assoc_id=AI}} -> {OS,IS,AI}; {Loopback,Pa, #sctp_paddr_change{state=addr_confirmed, addr={Loopback,Pa}, error=0, assoc_id=AI}} -> {Loopback,Pa, ?line #sctp_assoc_change{state=comm_up, error=0, outbound_streams=OS, inbound_streams=IS, assoc_id=AI}} = recv_event(log_ok(gen_sctp:recv(Sb, infinity))), {OS,IS,AI} end, ?line ?LOGVAR(SbAssocId), ?line SaOutboundStreams = SbInboundStreams, ?line ?LOGVAR(SaOutboundStreams), ?line SbOutboundStreams = SaInboundStreams, ?line ?LOGVAR(SbOutboundStreams), ?line ok = gen_sctp:send(Sa, SaAssocId, 0, Data), ?line case log_ok(gen_sctp:recv(Sb, infinity)) of {Loopback, Pa, [#sctp_sndrcvinfo{stream=Stream, assoc_id=SbAssocId}], Data} -> ok; {Loopback, Pa,[], #sctp_paddr_change{addr = {Loopback,_}, state = addr_available, error = 0, assoc_id = SbAssocId}} -> {Loopback, Pa, [#sctp_sndrcvinfo{stream=Stream, assoc_id=SbAssocId}], Data} = log_ok(gen_sctp:recv(Sb, infinity)); {Loopback, Pa, [#sctp_sndrcvinfo{stream=Stream, assoc_id=SbAssocId}], #sctp_paddr_change{addr = {Loopback,_}, state = addr_confirmed, error = 0, assoc_id = SbAssocId}} -> {Loopback, Pa, [#sctp_sndrcvinfo{stream=Stream, assoc_id=SbAssocId}], Data} = log_ok(gen_sctp:recv(Sb, infinity)) end, ?line ok = do_from_other_process( fun () -> gen_sctp:send(Sb, SbAssocId, 0, Data) end), ?line case log_ok(gen_sctp:recv(Sa, infinity)) of {Loopback,Pb, [#sctp_sndrcvinfo{stream=Stream, assoc_id=SaAssocId}], Data} -> ok; Event1 -> ?line {Loopback,Pb, #sctp_paddr_change{state=addr_confirmed, addr={_,Pb}, error=0, assoc_id=SaAssocId}} = recv_event(Event1), ?line {Loopback,Pb, [#sctp_sndrcvinfo{stream=Stream, assoc_id=SaAssocId}], Data} = log_ok(gen_sctp:recv(Sa, infinity)) end, ?line ok = gen_sctp:close(Sa), ?line {Loopback,Pa, #sctp_shutdown_event{assoc_id=SbAssocId}} = recv_event(log_ok(gen_sctp:recv(Sb, infinity))), ?line {Loopback,Pa, #sctp_assoc_change{state=shutdown_comp, error=0, assoc_id=SbAssocId}} = recv_event(log_ok(gen_sctp:recv(Sb, infinity))), ?line ok = gen_sctp:close(Sb), ?line receive Msg -> test_server:fail({received,Msg}) after 17 -> ok end, ok. do_from_other_process(Fun) -> Parent = self(), Ref = make_ref(), Child = spawn(fun () -> try Fun() of Result -> Parent ! {Ref,Result} catch Class:Reason -> Stacktrace = erlang:get_stacktrace(), Parent ! {Ref,Class,Reason,Stacktrace} end end), Mref = erlang:monitor(process, Child), receive {Ref,Result} -> receive {'DOWN',Mref,_,_,_} -> Result end; {Ref,Class,Reason,Stacktrace} -> receive {'DOWN',Mref,_,_,_} -> erlang:raise(Class, Reason, Stacktrace) end; {'DOWN',Mref,_,_,Reason} -> erlang:exit(Reason) end. peeloff_active_once(doc) -> "Peel off an SCTP stream socket ({active,once})"; peeloff_active_once(suite) -> []; peeloff_active_once(Config) -> peeloff(Config, [{active,once}]). peeloff_active_true(doc) -> "Peel off an SCTP stream socket ({active,true})"; peeloff_active_true(suite) -> []; peeloff_active_true(Config) -> peeloff(Config, [{active,true}]). peeloff(Config, SockOpts) when is_list(Config) -> ?line Addr = {127,0,0,1}, ?line Stream = 0, ?line Timeout = 333, ?line S1 = socket_open([{ifaddr,Addr}|SockOpts], Timeout), ?line ?LOGVAR(S1), ?line P1 = socket_call(S1, get_port), ?line ?LOGVAR(P1), ?line Socket1 = socket_call(S1, get_socket), ?line ?LOGVAR(Socket1), ?line socket_call(S1, {listen,true}), ?line S2 = socket_open([{ifaddr,Addr}|SockOpts], Timeout), ?line ?LOGVAR(S2), ?line P2 = socket_call(S2, get_port), ?line ?LOGVAR(P2), ?line Socket2 = socket_call(S2, get_socket), ?line ?LOGVAR(Socket2), %% ?line socket_call(S2, {connect_init,Addr,P1,[]}), ?line S2Ai = receive {S2,{Addr,P1, #sctp_assoc_change{ state=comm_up, assoc_id=AssocId2}}} -> AssocId2 after Timeout -> socket_bailout([S1,S2]) end, ?line ?LOGVAR(S2Ai), ?line S1Ai = receive {S1,{Addr,P2, #sctp_assoc_change{ state=comm_up, assoc_id=AssocId1}}} -> AssocId1 after Timeout -> socket_bailout([S1,S2]) end, ?line ?LOGVAR(S1Ai), %% ?line socket_call(S2, {send,S2Ai,Stream,<<"Number one">>}), ?line receive {S1,{Addr,P2,S1Ai,Stream,<<"Number one">>}} -> ok after Timeout -> socket_bailout([S1,S2]) end, ?line socket_call(S2, {send,Socket1,S1Ai,Stream,<<"Number two">>}), ?line receive {S2,{Addr,P1,S2Ai,Stream,<<"Number two">>}} -> ok after Timeout -> socket_bailout([S1,S2]) end, %% ?line S3 = socket_peeloff(Socket1, S1Ai, SockOpts, Timeout), ?line ?LOGVAR(S3), ?line P3_X = socket_call(S3, get_port), ?line ?LOGVAR(P3_X), ?line P3 = case P3_X of 0 -> P1; _ -> P3_X end, ?line [{_,#sctp_paddrinfo{assoc_id=S3Ai,state=active}}] = socket_call(S3, {getopts,[{sctp_get_peer_addr_info, #sctp_paddrinfo{address={Addr,P2}}}]}), %%?line S3Ai = S1Ai, ?line ?LOGVAR(S3Ai), %% ?line socket_call(S3, {send,S3Ai,Stream,<<"Number three">>}), ?line receive {S2,{Addr,P3,S2Ai,Stream,<<"Number three">>}} -> ok after Timeout -> socket_bailout([S1,S2,S3]) end, ?line socket_call(S3, {send,Socket2,S2Ai,Stream,<<"Number four">>}), ?line receive {S3,{Addr,P2,S3Ai,Stream,<<"Number four">>}} -> ok after Timeout -> socket_bailout([S1,S2,S3]) end, %% ?line inet:i(sctp), ?line socket_close_verbose(S1), ?line socket_close_verbose(S2), ?line receive {S3,{Addr,P2,#sctp_shutdown_event{assoc_id=S3Ai_X}}} -> ?line match_unless_solaris(S3Ai, S3Ai_X) after Timeout -> socket_bailout([S3]) end, ?line receive {S3,{Addr,P2,#sctp_assoc_change{state=shutdown_comp, assoc_id=S3Ai}}} -> ok after Timeout -> socket_bailout([S3]) end, ?line socket_close_verbose(S3), ?line [] = flush(), ok. buffers(doc) -> ["Check sndbuf and recbuf behaviour"]; buffers(suite) -> []; buffers(Config) when is_list(Config) -> ?line Limit = 4096, ?line Addr = {127,0,0,1}, ?line Stream = 1, ?line Timeout = 3333, ?line S1 = socket_open([{ip,Addr}], Timeout), ?line ?LOGVAR(S1), ?line P1 = socket_call(S1, get_port), ?line ?LOGVAR(P1), ?line ok = socket_call(S1, {listen,true}), ?line S2 = socket_open([{ip,Addr}], Timeout), ?line ?LOGVAR(S2), ?line P2 = socket_call(S2, get_port), ?line ?LOGVAR(P2), %% ?line socket_call(S2, {connect_init,Addr,P1,[]}), ?line S2Ai = receive {S2,{Addr,P1, #sctp_assoc_change{ state=comm_up, assoc_id=AssocId2}}} -> AssocId2 after Timeout -> socket_bailout([S1,S2]) end, ?line S1Ai = receive {S1,{Addr,P2, #sctp_assoc_change{ state=comm_up, assoc_id=AssocId1}}} -> AssocId1 after Timeout -> socket_bailout([S1,S2]) end, %% ?line socket_call(S1, {setopts,[{recbuf,Limit}]}), ?line Recbuf = case socket_call(S1, {getopts,[recbuf]}) of [{recbuf,RB1}] when RB1 >= Limit -> RB1 end, ?line Data = mk_data(Recbuf+Limit), ?line socket_call(S2, {setopts,[{sndbuf,Recbuf+Limit}]}), ?line socket_call(S2, {send,S2Ai,Stream,Data}), ?line receive {S1,{Addr,P2,S1Ai,Stream,Data}} -> ok after Timeout -> socket_bailout([S1,S2]) end, %% ?line socket_close_verbose(S1), ?line receive {S2,{Addr,P1,#sctp_shutdown_event{assoc_id=S2Ai}}} -> ok after Timeout -> socket_bailout([S2]) end, ?line receive {S2,{Addr,P1,#sctp_assoc_change{state=shutdown_comp, assoc_id=S2Ai}}} -> ok after Timeout -> socket_bailout([S2]) end, ?line socket_close_verbose(S2), ?line [] = flush(), ok. mk_data(Bytes) -> mk_data(0, Bytes, <<>>). %% mk_data(N, Bytes, Bin) when N < Bytes -> mk_data(N+4, Bytes, <>); mk_data(_, _, Bin) -> Bin. open_multihoming_ipv4_socket(doc) -> "Test opening a multihoming ipv4 socket"; open_multihoming_ipv4_socket(suite) -> []; open_multihoming_ipv4_socket(Config) when is_list(Config) -> ?line case get_addrs_by_family(inet, 2) of {ok, [Addr1, Addr2]} -> ?line do_open_and_connect([Addr1, Addr2], Addr1); {error, Reason} -> {skip, Reason} end. open_unihoming_ipv6_socket(doc) -> %% This test is mostly aimed to indicate %% whether host has a non-working ipv6 setup "Test opening a unihoming (non-multihoming) ipv6 socket"; open_unihoming_ipv6_socket(suite) -> []; open_unihoming_ipv6_socket(Config) when is_list(Config) -> ?line case get_addrs_by_family(inet6, 1) of {ok, [Addr]} -> ?line do_open_and_connect([Addr], Addr); {error, Reason} -> {skip, Reason} end. open_multihoming_ipv6_socket(doc) -> "Test opening a multihoming ipv6 socket"; open_multihoming_ipv6_socket(suite) -> []; open_multihoming_ipv6_socket(Config) when is_list(Config) -> ?line case get_addrs_by_family(inet6, 2) of {ok, [Addr1, Addr2]} -> ?line do_open_and_connect([Addr1, Addr2], Addr1); {error, Reason} -> {skip, Reason} end. open_multihoming_ipv4_and_ipv6_socket(doc) -> "Test opening a multihoming ipv6 socket with ipv4 and ipv6 addresses"; open_multihoming_ipv4_and_ipv6_socket(suite) -> []; open_multihoming_ipv4_and_ipv6_socket(Config) when is_list(Config) -> ?line case get_addrs_by_family(inet_and_inet6, 2) of {ok, [[InetAddr1, InetAddr2], [Inet6Addr1, Inet6Addr2]]} -> %% Connect to the first address to test bind ?line do_open_and_connect([InetAddr1, Inet6Addr1, InetAddr2], InetAddr1), ?line do_open_and_connect([Inet6Addr1, InetAddr1], Inet6Addr1), %% Connect an address, not the first, %% to test sctp_bindx ?line do_open_and_connect([Inet6Addr1, Inet6Addr2, InetAddr1], Inet6Addr2), ?line do_open_and_connect([Inet6Addr1, Inet6Addr2, InetAddr1], InetAddr1); {error, Reason} -> {skip, Reason} end. names_unihoming_ipv4(doc) -> "Test inet:socknames/peernames on unihoming IPv4 sockets"; names_unihoming_ipv4(suite) -> []; names_unihoming_ipv4(Config) when is_list(Config) -> ?line do_names(Config, inet, 1). names_unihoming_ipv6(doc) -> "Test inet:socknames/peernames on unihoming IPv6 sockets"; names_unihoming_ipv6(suite) -> []; names_unihoming_ipv6(Config) when is_list(Config) -> ?line do_names(Config, inet6, 1). names_multihoming_ipv4(doc) -> "Test inet:socknames/peernames on multihoming IPv4 sockets"; names_multihoming_ipv4(suite) -> []; names_multihoming_ipv4(Config) when is_list(Config) -> ?line do_names(Config, inet, 2). names_multihoming_ipv6(doc) -> "Test inet:socknames/peernames on multihoming IPv6 sockets"; names_multihoming_ipv6(suite) -> []; names_multihoming_ipv6(Config) when is_list(Config) -> ?line do_names(Config, inet6, 2). do_names(_, FamilySpec, AddressCount) -> Fun = fun (ServerSocket, _, ServerAssoc, ClientSocket, _, ClientAssoc) -> ?line ServerSocknamesNoassoc = lists:sort(ok(inet:socknames(ServerSocket))), ?line ?LOGVAR(ServerSocknamesNoassoc), ?line ServerSocknames = lists:sort(ok(inet:socknames(ServerSocket, ServerAssoc))), ?line ?LOGVAR(ServerSocknames), ?line [_|_] = ordsets:intersection (ServerSocknamesNoassoc, ServerSocknames), ?line ClientSocknamesNoassoc = lists:sort(ok(inet:socknames(ClientSocket))), ?line ?LOGVAR(ClientSocknamesNoassoc), ?line ClientSocknames = lists:sort(ok(inet:socknames(ClientSocket, ClientAssoc))), ?line ?LOGVAR(ClientSocknames), ?line [_|_] = ordsets:intersection (ClientSocknamesNoassoc, ClientSocknames), ?line err([einval,enotconn], inet:peernames(ServerSocket)), ?line ServerPeernames = lists:sort(ok(inet:peernames(ServerSocket, ServerAssoc))), ?line ?LOGVAR(ServerPeernames), ?line err([einval,enotconn], inet:peernames(ClientSocket)), ?line ClientPeernames = lists:sort(ok(inet:peernames(ClientSocket, ClientAssoc))), ?line ?LOGVAR(ClientPeernames), ?line ServerSocknames = ClientPeernames, ?line ClientSocknames = ServerPeernames, ?line {ok,Socket} = gen_sctp:peeloff(ServerSocket, ServerAssoc), ?line Socknames = lists:sort(ok(inet:socknames(Socket))), ?line Socknames = lists:sort(ok(inet:socknames(Socket, ServerAssoc))), ?line ?LOGVAR(Socknames), ?line Peernames = lists:sort(ok(inet:peernames(Socket, ServerAssoc))), ?line ?LOGVAR(Peernames), ?line ok = gen_sctp:close(Socket), ?line Socknames = ClientPeernames, ?line ClientSocknames = Peernames, ok end, ?line case get_addrs_by_family(FamilySpec, AddressCount) of {ok, Addresses} when length(Addresses) =:= AddressCount -> ?line do_open_and_connect(Addresses, hd(Addresses), Fun); {error, Reason} -> {skip, Reason} end. get_addrs_by_family(Family, NumAddrs) -> case os:type() of {unix,linux} -> get_addrs_by_family_aux(Family, NumAddrs); {unix,freebsd} -> get_addrs_by_family_aux(Family, NumAddrs); {unix,sunos} -> case get_addrs_by_family_aux(Family, NumAddrs) of {ok, [InetAddrs, Inet6Addrs]} when Family =:= inet_and_inet6 -> %% Man page for sctp_bindx on Solaris says: "If sock is an %% Internet Protocol Version 6 (IPv6) socket, addrs should %% be an array of sockaddr_in6 structures containing IPv6 %% or IPv4-mapped IPv6 addresses." {ok, [ipv4_map_addrs(InetAddrs), Inet6Addrs]}; {ok, Addrs} -> {ok, Addrs}; {error, Reason} -> {error, Reason} end; Os -> Reason = if Family =:= inet_and_inet6 -> f("Mixing ipv4 and ipv6 addresses for multihoming " " has not been verified on ~p", [Os]); true -> f("Multihoming for ~p has not been verified on ~p", [Family, Os]) end, {error, Reason} end. get_addrs_by_family_aux(Family, NumAddrs) when Family =:= inet; Family =:= inet6 -> ?line case inet:getaddr(localhost, Family) of {error,eafnosupport} -> {skip, f("No support for ~p", Family)}; {ok, _} -> ?line IfAddrs = ok(inet:getifaddrs()), ?line case filter_addrs_by_family(IfAddrs, Family) of Addrs when length(Addrs) >= NumAddrs -> {ok, lists:sublist(Addrs, NumAddrs)}; [] -> {error, f("Need ~p ~p address(es) found none~n", [NumAddrs, Family])}; Addrs -> {error, f("Need ~p ~p address(es) found only ~p: ~p~n", [NumAddrs, Family, length(Addrs), Addrs])} end end; get_addrs_by_family_aux(inet_and_inet6, NumAddrs) -> ?line catch {ok, [case get_addrs_by_family_aux(Family, NumAddrs) of {ok, Addrs} -> Addrs; {error, Reason} -> throw({error, Reason}) end || Family <- [inet, inet6]]}. filter_addrs_by_family(IfAddrs, Family) -> lists:flatten([[Addr || {addr, Addr} <- Info, is_good_addr(Addr, Family)] || {_IfName, Info} <- IfAddrs]). is_good_addr(Addr, inet) when tuple_size(Addr) =:= 4 -> true; is_good_addr({0,0,0,0,0,16#ffff,_,_}, inet6) -> false; %% ipv4 mapped is_good_addr({16#fe80,_,_,_,_,_,_,_}, inet6) -> false; %% link-local is_good_addr(Addr, inet6) when tuple_size(Addr) =:= 8 -> true; is_good_addr(_Addr, _Family) -> false. ipv4_map_addrs(InetAddrs) -> [begin <> = <>, <> = <>, {0, 0, 0, 0, 0, 16#ffff, AB, CD} end || {A,B,C,D} <- InetAddrs]. f(F, A) -> lists:flatten(io_lib:format(F, A)). do_open_and_connect(ServerAddresses, AddressToConnectTo) -> ?line Fun = fun (_, _, _, _, _, _) -> ok end, ?line do_open_and_connect(ServerAddresses, AddressToConnectTo, Fun). %% do_open_and_connect(ServerAddresses, AddressToConnectTo, Fun) -> ?line ServerFamily = get_family_by_addrs(ServerAddresses), ?line io:format("Serving ~p addresses: ~p~n", [ServerFamily, ServerAddresses]), ?line S1 = ok(gen_sctp:open(0, [{ip,Addr} || Addr <- ServerAddresses] ++ [ServerFamily])), ?line ok = gen_sctp:listen(S1, true), ?line P1 = ok(inet:port(S1)), ?line ClientFamily = get_family_by_addr(AddressToConnectTo), ?line io:format("Connecting to ~p ~p~n", [ClientFamily, AddressToConnectTo]), ?line ClientOpts = [ClientFamily | case ClientFamily of inet6 -> [{ipv6_v6only,true}]; _ -> [] end], ?line S2 = ok(gen_sctp:open(0, ClientOpts)), log(open), %% Verify client can connect ?line #sctp_assoc_change{state=comm_up} = S2Assoc = ok(gen_sctp:connect(S2, AddressToConnectTo, P1, [])), log(comm_up), %% verify server side also receives comm_up from client ?line S1Assoc = recv_comm_up_eventually(S1), ?line Result = Fun(S1, ServerFamily, S1Assoc, S2, ClientFamily, S2Assoc), ?line ok = gen_sctp:close(S2), ?line ok = gen_sctp:close(S1), Result. %% If at least one of the addresses is an ipv6 address, return inet6, else inet. get_family_by_addrs(Addresses) -> ?line case lists:usort([get_family_by_addr(Addr) || Addr <- Addresses]) of [inet, inet6] -> inet6; [inet] -> inet; [inet6] -> inet6 end. get_family_by_addr(Addr) when tuple_size(Addr) =:= 4 -> inet; get_family_by_addr(Addr) when tuple_size(Addr) =:= 8 -> inet6. recv_comm_up_eventually(S) -> ?line case ok(gen_sctp:recv(S)) of {_Addr, _Port, _Info, #sctp_assoc_change{state=comm_up} = Assoc} -> Assoc; {_Addr, _Port, _Info, _OtherSctpMsg} = Msg -> ?line log({unexpected,Msg}), ?line recv_comm_up_eventually(S) end. %%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%% socket gen_server ultra light socket_open(SockOpts0, Timeout) -> SockOpts = case lists:keyfind(active,1,SockOpts0) of false -> [{active,once}|SockOpts0]; _ -> SockOpts0 end, Opts = [{type,seqpacket},binary|SockOpts], Starter = fun () -> {ok,Socket} = gen_sctp:open(Opts), Socket end, s_start(Starter, Timeout). socket_peeloff(Socket, AssocId, SocketOpts, Timeout) -> Opts = [binary|SocketOpts], Starter = fun () -> {ok,NewSocket} = gen_sctp:peeloff(Socket, AssocId), ok = inet:setopts(NewSocket, Opts), NewSocket end, s_start(Starter, Timeout). socket_close_verbose(S) -> History = socket_history(socket_close(S)), io:format("socket_close ~p:~n ~p.~n", [S,History]), History. socket_close(S) -> s_req(S, close). socket_call(S, Request) -> s_req(S, {Request}). %% socket_get(S, Key) -> %% s_req(S, {get,Key}). socket_bailout([S|Ss]) -> History = socket_history(socket_close(S)), io:format("bailout ~p:~n ~p.~n", [S,History]), socket_bailout(Ss); socket_bailout([]) -> io:format("flush: ~p.~n", [flush()]), test_server:fail(socket_bailout). socket_history({State,Flush}) -> {lists:keysort( 2, lists:flatten( [[{Key,Val} || Val <- Vals] || {Key,Vals} <- gb_trees:to_list(State)])), Flush}. s_handler(Socket) -> fun ({listen,Listen}) -> ok = gen_sctp:listen(Socket, Listen); (get_port) -> ok(inet:port(Socket)); (get_socket) -> Socket; ({connect_init,ConAddr,ConPort,ConOpts}) -> ok = gen_sctp:connect_init(Socket, ConAddr, ConPort, ConOpts); ({send,AssocId,Stream,Data}) -> ok = gen_sctp:send(Socket, AssocId, Stream, Data); ({send,OtherSocket,AssocId,Stream,Data}) -> ok = gen_sctp:send(OtherSocket, AssocId, Stream, Data); ({setopts,Opts}) -> ok = inet:setopts(Socket, Opts); ({getopts,Optnames}) -> ok(inet:getopts(Socket, Optnames)) end. s_req(S, Req) -> Mref = erlang:monitor(process, S), S ! {self(),Mref,Req}, receive {'DOWN',Mref,_,_,Error} -> exit(Error); {S,Mref,Reply} -> erlang:demonitor(Mref, [flush]), Reply end. s_start(Starter, Timeout) -> Parent = self(), Owner = spawn_link( fun () -> s_start(Starter(), Timeout, Parent) end), Owner. s_start(Socket, Timeout, Parent) -> Handler = s_handler(Socket), try s_loop(Socket, Timeout, Parent, Handler, gb_trees:empty()) catch Class:Reason -> Stacktrace = erlang:get_stacktrace(), io:format(?MODULE_STRING":socket exception ~w:~w at~n" "~p.~n", [Class,Reason,Stacktrace]), erlang:raise(Class, Reason, Stacktrace) end. s_loop(Socket, Timeout, Parent, Handler, State) -> receive {Parent,Ref,close} -> % socket_close() erlang:send_after(Timeout, self(), {Parent,Ref,exit}), s_loop(Socket, Timeout, Parent, Handler, State); {Parent,Ref,exit} -> ok = gen_sctp:close(Socket), Key = exit, Val = {now(),Socket}, NewState = gb_push(Key, Val, State), Parent ! {self(),Ref,{NewState,flush()}}; {Parent,Ref,{Msg}} -> Result = Handler(Msg), Key = req, Val = {now(),{Msg,Result}}, NewState = gb_push(Key, Val, State), Parent ! {self(),Ref,Result}, s_loop(Socket, Timeout, Parent, Handler, NewState); %% {Parent,Ref,{get,Key}} -> %% Parent ! {self(),Ref,gb_get(Key, State)}, %% s_loop(Socket, Timeout, Parent, Handler, State); {sctp,Socket,Addr,Port, {[#sctp_sndrcvinfo{stream=Stream,assoc_id=AssocId}=SRI],Data}} when not is_tuple(Data) -> case gb_get({assoc_change,AssocId}, State) of [{_,{Addr,Port, #sctp_assoc_change{ state=comm_up, inbound_streams=Is}}}|_] when 0 =< Stream, Stream < Is-> ok; [] -> ok end, Key = {msg,AssocId,Stream}, Val = {now(),{Addr,Port,SRI,Data}}, NewState = gb_push(Key, Val, State), Parent ! {self(),{Addr,Port,AssocId,Stream,Data}}, again(Socket), s_loop(Socket, Timeout, Parent, Handler, NewState); {sctp,Socket,Addr,Port, {SRI,#sctp_assoc_change{assoc_id=AssocId,state=St}=SAC}} -> case SRI of [#sctp_sndrcvinfo{assoc_id=AssocId,stream=0}] -> ok; [] -> ok end, Key = {assoc_change,AssocId}, Val = {now(),{Addr,Port,SAC}}, case {gb_get(Key, State),St} of {[],_} -> ok; {[{_,{Addr,Port,#sctp_assoc_change{state=comm_up}}}|_],_} when St =:= comm_lost; St =:= shutdown_comp -> ok end, NewState = gb_push(Key, Val, State), Parent ! {self(),{Addr,Port,SAC}}, again(Socket), s_loop(Socket, Timeout, Parent, Handler, NewState); {sctp,Socket,Addr,Port, {SRI,#sctp_paddr_change{assoc_id=AssocId, addr={_,P}, state=St}=SPC}} -> match_unless_solaris(Port, P), case SRI of [#sctp_sndrcvinfo{assoc_id=AssocId,stream=0}] -> ok; [] -> ok end, case {gb_get({assoc_change,AssocId}, State),St} of {[{_,{Addr,Port,#sctp_assoc_change{state=comm_up}}}|_],_} when St =:= addr_available; St =:= addr_confirmed -> ok; {[],addr_confirmed} -> ok end, Key = {paddr_change,AssocId}, Val = {now(),{Addr,Port,SPC}}, NewState = gb_push(Key, Val, State), again(Socket), s_loop(Socket, Timeout, Parent, Handler, NewState); {sctp,Socket,Addr,Port, {SRI,#sctp_shutdown_event{assoc_id=AssocId}=SSE}} -> case SRI of [#sctp_sndrcvinfo{assoc_id=AssocId,stream=0}] -> ok; [] -> ok end, case gb_get({assoc_change,AssocId}, State) of [{_,{Addr,Port,#sctp_assoc_change{state=comm_up}}}|_] -> ok; [] -> ok end, Key = {shutdown_event,AssocId}, Val = {now(),{Addr,Port}}, NewState = gb_push(Key, Val, State), Parent ! {self(), {Addr,Port,SSE}}, again(Socket), s_loop(Socket, Timeout, Parent, Handler, NewState); Unexpected -> erlang:error({unexpected,Unexpected}) end. again(Socket) -> inet:setopts(Socket, [{active,once}]). gb_push(Key, Val, GBT) -> case gb_trees:lookup(Key, GBT) of none -> gb_trees:insert(Key, [Val], GBT); {value,V} -> gb_trees:update(Key, [Val|V], GBT) end. gb_get(Key, GBT) -> case gb_trees:lookup(Key, GBT) of none -> []; {value,V} -> V end. match_unless_solaris(A, B) -> case os:type() of {unix,sunos} -> B; _ -> A = B end.