diff options
Diffstat (limited to 'lib/kernel/src/inet.erl')
| -rw-r--r-- | lib/kernel/src/inet.erl | 70 |
1 files changed, 55 insertions, 15 deletions
diff --git a/lib/kernel/src/inet.erl b/lib/kernel/src/inet.erl index 49f64a9236..b4ebb1500c 100644 --- a/lib/kernel/src/inet.erl +++ b/lib/kernel/src/inet.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2011. All Rights Reserved. +%% Copyright Ericsson AB 1997-2012. 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 @@ -535,7 +535,7 @@ options() -> buffer, header, active, packet, deliver, mode, multicast_if, multicast_ttl, multicast_loop, exit_on_close, high_watermark, low_watermark, - bit8, send_timeout, send_timeout_close + send_timeout, send_timeout_close ]. %% Return a list of statistics options @@ -552,7 +552,7 @@ stats() -> connect_options() -> [tos, priority, reuseaddr, keepalive, linger, sndbuf, recbuf, nodelay, header, active, packet, packet_size, buffer, mode, deliver, - exit_on_close, high_watermark, low_watermark, bit8, send_timeout, + exit_on_close, high_watermark, low_watermark, send_timeout, send_timeout_close, delay_send,raw]. connect_options(Opts, Family) -> @@ -608,7 +608,7 @@ con_add(Name, Val, R, Opts, AllOpts) -> listen_options() -> [tos, priority, reuseaddr, keepalive, linger, sndbuf, recbuf, nodelay, header, active, packet, buffer, mode, deliver, backlog, - exit_on_close, high_watermark, low_watermark, bit8, send_timeout, + exit_on_close, high_watermark, low_watermark, send_timeout, send_timeout_close, delay_send, packet_size,raw]. listen_options(Opts, Family) -> @@ -763,8 +763,12 @@ sctp_opt([Opt|Opts], Mod, R, As) -> {Name,Val} -> sctp_opt (Opts, Mod, R, As, Name, Val); _ -> {error,badarg} end; -sctp_opt([], _Mod, R, _SockOpts) -> - {ok, R}. +sctp_opt([], _Mod, #sctp_opts{ifaddr=IfAddr}=R, _SockOpts) -> + if is_list(IfAddr) -> + {ok, R#sctp_opts{ifaddr=lists:reverse(IfAddr)}}; + true -> + {ok, R} + end. sctp_opt(Opts, Mod, R, As, Name, Val) -> case add_opt(Name, Val, R#sctp_opts.opts, As) of @@ -1015,11 +1019,7 @@ open(Fd, Addr, Port, Opts, Protocol, Family, Type, Module) when Fd < 0 -> case prim_inet:setopts(S, Opts) of ok -> case if is_list(Addr) -> - prim_inet:bind(S, add, - [case A of - {_,_} -> A; - _ -> {A,Port} - end || A <- Addr]); + bindx(S, Addr, Port); true -> prim_inet:bind(S, Addr, Port) end of @@ -1040,6 +1040,34 @@ open(Fd, Addr, Port, Opts, Protocol, Family, Type, Module) when Fd < 0 -> open(Fd, _Addr, _Port, Opts, Protocol, Family, Type, Module) -> fdopen(Fd, Opts, Protocol, Family, Type, Module). +bindx(S, [Addr], Port0) -> + {IP, Port} = set_bindx_port(Addr, Port0), + prim_inet:bind(S, IP, Port); +bindx(S, Addrs, Port0) -> + [{IP, Port} | Rest] = [set_bindx_port(Addr, Port0) || Addr <- Addrs], + case prim_inet:bind(S, IP, Port) of + {ok, AssignedPort} when Port =:= 0 -> + %% On newer Linux kernels, Solaris and FreeBSD, calling + %% bindx with port 0 is ok, but on SuSE 10, it results in einval + Rest2 = [change_bindx_0_port(Addr, AssignedPort) || Addr <- Rest], + prim_inet:bind(S, add, Rest2); + {ok, _} -> + prim_inet:bind(S, add, Rest); + Error -> + Error + end. + +set_bindx_port({_IP, _Port}=Addr, _OtherPort) -> + Addr; +set_bindx_port(IP, Port) -> + {IP, Port}. + +change_bindx_0_port({IP, 0}, AssignedPort) -> + {IP, AssignedPort}; +change_bindx_0_port({_IP, _Port}=Addr, _AssignedPort) -> + Addr. + + -spec fdopen(Fd :: non_neg_integer(), Opts :: [socket_setopt()], Protocol :: socket_protocol(), @@ -1218,11 +1246,13 @@ port_list(Name) -> %% utils %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% --spec format_error(Posix) -> string() when - Posix :: posix(). +-spec format_error(Reason) -> string() when + Reason :: posix() | system_limit. format_error(exbadport) -> "invalid port state"; format_error(exbadseq) -> "bad command sequence"; +format_error(system_limit) -> + "a system limit was hit, probably not enough ports"; format_error(Tag) -> erl_posix_msg:message(Tag). @@ -1244,6 +1274,8 @@ udp_close(S) when is_port(S) -> %% Set controlling process for TCP socket. tcp_controlling_process(S, NewOwner) when is_port(S), is_pid(NewOwner) -> case erlang:port_info(S, connected) of + {connected, NewOwner} -> + ok; {connected, Pid} when Pid =/= self() -> {error, not_owner}; undefined -> @@ -1251,7 +1283,10 @@ tcp_controlling_process(S, NewOwner) when is_port(S), is_pid(NewOwner) -> _ -> case prim_inet:getopt(S, active) of {ok, A0} -> - prim_inet:setopt(S, active, false), + case A0 of + false -> ok; + _ -> prim_inet:setopt(S, active, false) + end, case tcp_sync_input(S, NewOwner, false) of true -> %% socket already closed, ok; @@ -1259,7 +1294,10 @@ tcp_controlling_process(S, NewOwner) when is_port(S), is_pid(NewOwner) -> try erlang:port_connect(S, NewOwner) of true -> unlink(S), %% unlink from port - prim_inet:setopt(S, active, A0), + case A0 of + false -> ok; + _ -> prim_inet:setopt(S, active, A0) + end, ok catch error:Reason -> @@ -1295,6 +1333,8 @@ tcp_sync_input(S, Owner, Flag) -> %% Set controlling process for UDP or SCTP socket. udp_controlling_process(S, NewOwner) when is_port(S), is_pid(NewOwner) -> case erlang:port_info(S, connected) of + {connected, NewOwner} -> + ok; {connected, Pid} when Pid =/= self() -> {error, not_owner}; _ -> |