diff options
Diffstat (limited to 'lib/kernel/src')
| -rw-r--r-- | lib/kernel/src/Makefile | 4 | ||||
| -rw-r--r-- | lib/kernel/src/gen_sctp.erl | 33 | ||||
| -rw-r--r-- | lib/kernel/src/gen_tcp.erl | 38 | ||||
| -rw-r--r-- | lib/kernel/src/gen_udp.erl | 36 | ||||
| -rw-r--r-- | lib/kernel/src/inet.erl | 101 | ||||
| -rw-r--r-- | lib/kernel/src/inet6_sctp.erl | 26 | ||||
| -rw-r--r-- | lib/kernel/src/inet6_tcp.erl | 88 | ||||
| -rw-r--r-- | lib/kernel/src/inet6_udp.erl | 42 | ||||
| -rw-r--r-- | lib/kernel/src/inet_int.hrl | 4 | ||||
| -rw-r--r-- | lib/kernel/src/inet_sctp.erl | 19 | ||||
| -rw-r--r-- | lib/kernel/src/inet_tcp.erl | 86 | ||||
| -rw-r--r-- | lib/kernel/src/inet_udp.erl | 52 | ||||
| -rw-r--r-- | lib/kernel/src/kernel.app.src | 2 | ||||
| -rw-r--r-- | lib/kernel/src/local_tcp.erl | 172 | ||||
| -rw-r--r-- | lib/kernel/src/local_udp.erl | 99 |
15 files changed, 555 insertions, 247 deletions
diff --git a/lib/kernel/src/Makefile b/lib/kernel/src/Makefile index 8bf02afec9..2b72f78dcf 100644 --- a/lib/kernel/src/Makefile +++ b/lib/kernel/src/Makefile @@ -104,6 +104,8 @@ MODULES = \ inet_sctp \ kernel \ kernel_config \ + local_udp \ + local_tcp \ net \ net_adm \ net_kernel \ @@ -244,6 +246,8 @@ $(EBIN)/inet_tcp.beam: inet_int.hrl $(EBIN)/inet_udp_dist.beam: ../include/net_address.hrl ../include/dist.hrl ../include/dist_util.hrl $(EBIN)/inet_udp.beam: inet_int.hrl $(EBIN)/inet_sctp.beam: inet_int.hrl ../include/inet_sctp.hrl +$(EBIN)/local_udp.beam: inet_int.hrl +$(EBIN)/local_tcp.beam: inet_int.hrl $(EBIN)/net_kernel.beam: ../include/net_address.hrl $(EBIN)/os.beam: ../include/file.hrl $(EBIN)/ram_file.beam: ../include/file.hrl diff --git a/lib/kernel/src/gen_sctp.erl b/lib/kernel/src/gen_sctp.erl index d00ed828a7..b133e6fed4 100644 --- a/lib/kernel/src/gen_sctp.erl +++ b/lib/kernel/src/gen_sctp.erl @@ -124,8 +124,8 @@ open() -> SockType :: seqpacket | stream, Socket :: sctp_socket(). -open(Opts) when is_list(Opts) -> - Mod = mod(Opts, undefined), +open(Opts0) when is_list(Opts0) -> + {Mod, Opts} = inet:sctp_module(Opts0), case Mod:open(Opts) of {error,badarg} -> erlang:error(badarg, [Opts]); @@ -445,32 +445,3 @@ controlling_process(S, Pid) when is_port(S), is_pid(Pid) -> inet:udp_controlling_process(S, Pid); controlling_process(S, Pid) -> erlang:error(badarg, [S,Pid]). - -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -%% Utilites -%% - -%% Get the SCTP module, but IPv6 address overrides default IPv4 -mod(Address) -> - case inet_db:sctp_module() of - inet_sctp when tuple_size(Address) =:= 8 -> - inet6_sctp; - Mod -> - Mod - end. - -%% Get the SCTP module, but option sctp_module|inet|inet6 overrides -mod([{sctp_module,Mod}|_], _Address) -> - Mod; -mod([inet|_], _Address) -> - inet_sctp; -mod([inet6|_], _Address) -> - inet6_sctp; -mod([{ip, Address}|Opts], _) -> - mod(Opts, Address); -mod([{ifaddr, Address}|Opts], _) -> - mod(Opts, Address); -mod([_|Opts], Address) -> - mod(Opts, Address); -mod([], Address) -> - mod(Address). diff --git a/lib/kernel/src/gen_tcp.erl b/lib/kernel/src/gen_tcp.erl index 1f0d44b8e1..2b3afcd44c 100644 --- a/lib/kernel/src/gen_tcp.erl +++ b/lib/kernel/src/gen_tcp.erl @@ -151,8 +151,8 @@ connect(Address, Port, Opts, Time) -> Error -> Error end. -connect1(Address,Port,Opts,Timer) -> - Mod = mod(Opts, Address), +connect1(Address, Port, Opts0, Timer) -> + {Mod, Opts} = inet:tcp_module(Opts0, Address), case Mod:getaddrs(Address,Timer) of {ok,IPs} -> case Mod:getserv(Port) of @@ -185,8 +185,8 @@ try_connect([], _Port, _Opts, _Timer, _Mod, Err) -> ListenSocket :: socket(), Reason :: system_limit | inet:posix(). -listen(Port, Opts) -> - Mod = mod(Opts, undefined), +listen(Port, Opts0) -> + {Mod, Opts} = inet:tcp_module(Opts0), case Mod:getserv(Port) of {ok,TP} -> Mod:listen(TP, Opts); @@ -335,32 +335,6 @@ controlling_process(S, NewOwner) -> %% %% Create a port/socket from a file descriptor %% -fdopen(Fd, Opts) -> - Mod = mod(Opts, undefined), +fdopen(Fd, Opts0) -> + {Mod, Opts} = inet:tcp_module(Opts0), Mod:fdopen(Fd, Opts). - -%% Get the tcp_module, but IPv6 address overrides default IPv4 -mod(Address) -> - case inet_db:tcp_module() of - inet_tcp when tuple_size(Address) =:= 8 -> - inet6_tcp; - Mod -> - Mod - end. - -%% Get the tcp_module, but option tcp_module|inet|inet6 overrides -mod([{tcp_module,Mod}|_], _Address) -> - Mod; -mod([inet|_], _Address) -> - inet_tcp; -mod([inet6|_], _Address) -> - inet6_tcp; -mod([{ip, Address}|Opts], _) -> - mod(Opts, Address); -mod([{ifaddr, Address}|Opts], _) -> - mod(Opts, Address); -mod([_|Opts], Address) -> - mod(Opts, Address); -mod([], Address) -> - mod(Address). - diff --git a/lib/kernel/src/gen_udp.erl b/lib/kernel/src/gen_udp.erl index 5e85c61dd9..2227bb3562 100644 --- a/lib/kernel/src/gen_udp.erl +++ b/lib/kernel/src/gen_udp.erl @@ -101,9 +101,9 @@ open(Port) -> Socket :: socket(), Reason :: inet:posix(). -open(Port, Opts) -> - Mod = mod(Opts, undefined), - {ok,UP} = Mod:getserv(Port), +open(Port, Opts0) -> + {Mod, Opts} = inet:udp_module(Opts0), + {ok, UP} = Mod:getserv(Port), Mod:open(UP, Opts). -spec close(Socket) -> ok when @@ -203,32 +203,6 @@ controlling_process(S, NewOwner) -> %% %% Create a port/socket from a file descriptor %% -fdopen(Fd, Opts) -> - Mod = mod(Opts, undefined), +fdopen(Fd, Opts0) -> + {Mod,Opts} = inet:udp_module(Opts0), Mod:fdopen(Fd, Opts). - - -%% Get the udp_module, but IPv6 address overrides default IPv4 -mod(Address) -> - case inet_db:udp_module() of - inet_udp when tuple_size(Address) =:= 8 -> - inet6_udp; - Mod -> - Mod - end. - -%% Get the udp_module, but option udp_module|inet|inet6 overrides -mod([{udp_module,Mod}|_], _Address) -> - Mod; -mod([inet|_], _Address) -> - inet_udp; -mod([inet6|_], _Address) -> - inet6_udp; -mod([{ip, Address}|Opts], _) -> - mod(Opts, Address); -mod([{ifaddr, Address}|Opts], _) -> - mod(Opts, Address); -mod([_|Opts], Address) -> - mod(Opts, Address); -mod([], Address) -> - mod(Address). diff --git a/lib/kernel/src/inet.erl b/lib/kernel/src/inet.erl index 713a9cf725..de43ea792b 100644 --- a/lib/kernel/src/inet.erl +++ b/lib/kernel/src/inet.erl @@ -37,6 +37,7 @@ parse_ipv6strict_address/1, parse_address/1, parse_strict_address/1, ntoa/1]). -export([connect_options/2, listen_options/2, udp_options/2, sctp_options/2]). +-export([udp_module/1, tcp_module/1, tcp_module/2, sctp_module/1]). -export([i/0, i/1, i/2]). @@ -133,9 +134,11 @@ 'running' | 'multicast' | 'loopback']} | {'hwaddr', ether_address()}. --type address_family() :: 'inet' | 'inet6'. +-type address_family() :: 'inet' | 'inet6' | 'local'. -type socket_protocol() :: 'tcp' | 'udp' | 'sctp'. -type socket_type() :: 'stream' | 'dgram' | 'seqpacket'. +-type socket_address() :: + ip_address() | {address_family(), any()} | 'any' | 'loopback'. -type stat_option() :: 'recv_cnt' | 'recv_max' | 'recv_avg' | 'recv_oct' | 'recv_dvi' | 'send_cnt' | 'send_max' | 'send_avg' | 'send_oct' | 'send_pend'. @@ -681,7 +684,7 @@ connect_options() -> low_msgq_watermark, send_timeout, send_timeout_close, delay_send, raw, show_econnreset]. -connect_options(Opts, Family) -> +connect_options(Opts, Mod) -> BaseOpts = case application:get_env(kernel, inet_default_connect_options) of {ok,List} when is_list(List) -> @@ -698,7 +701,7 @@ connect_options(Opts, Family) -> {ok, R} -> {ok, R#connect_opts { opts = lists:reverse(R#connect_opts.opts), - ifaddr = translate_ip(R#connect_opts.ifaddr, Family) + ifaddr = Mod:translate_ip(R#connect_opts.ifaddr) }}; Error -> Error end. @@ -713,9 +716,6 @@ con_opt([Opt | Opts], #connect_opts{} = R, As) -> {fd,Fd} -> con_opt(Opts, R#connect_opts { fd = Fd }, As); binary -> con_add(mode, binary, R, Opts, As); list -> con_add(mode, list, R, Opts, As); - {tcp_module,_} -> con_opt(Opts, R, As); - inet -> con_opt(Opts, R, As); - inet6 -> con_opt(Opts, R, As); {netns,NS} -> BinNS = filename2binary(NS), case prim_inet:is_sockopt_val(netns, BinNS) of @@ -752,7 +752,7 @@ listen_options() -> low_msgq_watermark, send_timeout, send_timeout_close, delay_send, packet_size, raw, show_econnreset]. -listen_options(Opts, Family) -> +listen_options(Opts, Mod) -> BaseOpts = case application:get_env(kernel, inet_default_listen_options) of {ok,List} when is_list(List) -> @@ -769,7 +769,7 @@ listen_options(Opts, Family) -> {ok, R} -> {ok, R#listen_opts { opts = lists:reverse(R#listen_opts.opts), - ifaddr = translate_ip(R#listen_opts.ifaddr, Family) + ifaddr = Mod:translate_ip(R#listen_opts.ifaddr) }}; Error -> Error end. @@ -785,9 +785,6 @@ list_opt([Opt | Opts], #listen_opts{} = R, As) -> {backlog,BL} -> list_opt(Opts, R#listen_opts { backlog = BL }, As); binary -> list_add(mode, binary, R, Opts, As); list -> list_add(mode, list, R, Opts, As); - {tcp_module,_} -> list_opt(Opts, R, As); - inet -> list_opt(Opts, R, As); - inet6 -> list_opt(Opts, R, As); {netns,NS} -> BinNS = filename2binary(NS), case prim_inet:is_sockopt_val(netns, BinNS) of @@ -812,6 +809,19 @@ list_add(Name, Val, #listen_opts{} = R, Opts, As) -> Error -> Error end. +tcp_module(Opts) -> + tcp_module_1(Opts, undefined). + +tcp_module(Opts, Addr) -> + Address = {undefined,Addr}, + %% Address has to be a 2-tuple but the first element is ignored + tcp_module_1(Opts, Address). + +tcp_module_1(Opts, Address) -> + mod( + Opts, tcp_module, Address, + #{inet => inet_tcp, inet6 => inet6_tcp, local => local_tcp}). + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% Available options for udp:open %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% @@ -823,12 +833,12 @@ udp_options() -> high_msgq_watermark, low_msgq_watermark]. -udp_options(Opts, Family) -> +udp_options(Opts, Mod) -> case udp_opt(Opts, #udp_opts { }, udp_options()) of {ok, R} -> {ok, R#udp_opts { opts = lists:reverse(R#udp_opts.opts), - ifaddr = translate_ip(R#udp_opts.ifaddr, Family) + ifaddr = Mod:translate_ip(R#udp_opts.ifaddr) }}; Error -> Error end. @@ -843,9 +853,6 @@ udp_opt([Opt | Opts], #udp_opts{} = R, As) -> {fd,Fd} -> udp_opt(Opts, R#udp_opts { fd = Fd }, As); binary -> udp_add(mode, binary, R, Opts, As); list -> udp_add(mode, list, R, Opts, As); - {udp_module,_} -> udp_opt(Opts, R, As); - inet -> udp_opt(Opts, R, As); - inet6 -> udp_opt(Opts, R, As); {netns,NS} -> BinNS = filename2binary(NS), case prim_inet:is_sockopt_val(netns, BinNS) of @@ -870,6 +877,11 @@ udp_add(Name, Val, #udp_opts{} = R, Opts, As) -> Error -> Error end. +udp_module(Opts) -> + mod( + Opts, udp_module, undefined, + #{inet => inet_udp, inet6 => inet6_udp, local => local_udp}). + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% Available options for sctp:open %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% @@ -926,9 +938,6 @@ sctp_opt([Opt|Opts], Mod, #sctp_opts{} = R, As) -> sctp_opt(Opts, Mod, R#sctp_opts{type=Type}, As); binary -> sctp_opt (Opts, Mod, R, As, mode, binary); list -> sctp_opt (Opts, Mod, R, As, mode, list); - {sctp_module,_} -> sctp_opt (Opts, Mod, R, As); % Done with - inet -> sctp_opt (Opts, Mod, R, As); % Done with - inet6 -> sctp_opt (Opts, Mod, R, As); % Done with {netns,NS} -> BinNS = filename2binary(NS), case prim_inet:is_sockopt_val(netns, BinNS) of @@ -970,6 +979,11 @@ sctp_opt_ifaddr(Opts, Mod, #sctp_opts{ifaddr=IfAddr}=R, As, Addr) -> _ -> [IP,IfAddr] end}, As). +sctp_module(Opts) -> + mod( + Opts, sctp_module, undefined, + #{inet => inet_sctp, inet6 => inet6_sctp}). + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% Util to check and insert option in option list %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% @@ -1028,6 +1042,53 @@ translate_ip(any, inet6) -> {0,0,0,0,0,0,0,0}; translate_ip(loopback, inet6) -> {0,0,0,0,0,0,0,1}; translate_ip(IP, _) -> IP. +mod(Opts, Tag, Address, Map) -> + mod(Opts, Tag, Address, Map, undefined, []). +%% +mod([{Tag, M}|Opts], Tag, Address, Map, Mod, Acc) -> + mod(Opts, Tag, Address, Map, Mod, Acc, M); +mod([{T, _} = Opt|Opts], Tag, _Address, Map, Mod, Acc) + when T =:= ip; T =:= ifaddr-> + mod(Opts, Tag, Opt, Map, Mod, [Opt|Acc]); +mod([Family|Opts], Tag, Address, Map, Mod, Acc) when is_atom(Family) -> + case Map of + #{Family := M} -> + mod(Opts, Tag, Address, Map, Mod, Acc, M); + #{} -> + mod(Opts, Tag, Address, Map, Mod, [Family|Acc]) + end; +mod([Opt|Opts], Tag, Address, Map, Mod, Acc) -> + mod(Opts, Tag, Address, Map, Mod, [Opt|Acc]); +mod([], Tag, Address, Map, undefined, Acc) -> + {case Address of + {_, {local, _}} -> + case Map of + #{local := Mod} -> + Mod; + #{} -> + inet_db:Tag() + end; + {_, IP} when tuple_size(IP) =:= 8 -> + #{inet := IPv4Mod} = Map, + %% Get the mod, but IPv6 address overrides default IPv4 + case inet_db:Tag() of + IPv4Mod -> + #{inet6 := IPv6Mod} = Map, + IPv6Mod; + Mod -> + Mod + end; + _ -> + inet_db:Tag() + end, lists:reverse(Acc)}; +mod([], _Tag, _Address, _Map, Mod, Acc) -> + {Mod, lists:reverse(Acc)}. +%% +mod(Opts, Tag, Address, Map, undefined, Acc, M) -> + mod(Opts, Tag, Address, Map, M, Acc); +mod(Opts, Tag, Address, Map, Mod, Acc, _M) -> + mod(Opts, Tag, Address, Map, Mod, Acc). + getaddrs_tm({A,B,C,D} = IP, Fam, _) -> %% Only "syntactic" validation and check of family. @@ -1235,7 +1296,7 @@ gethostbyaddr_tm_native(Addr, Timer, Opts) -> end. -spec open(Fd_or_OpenOpts :: integer() | list(), - Addr :: ip_address(), + Addr :: socket_address(), Port :: port_number(), Opts :: [socket_setopt()], Protocol :: socket_protocol(), diff --git a/lib/kernel/src/inet6_sctp.erl b/lib/kernel/src/inet6_sctp.erl index cc98bc0ccb..a5503f6f54 100644 --- a/lib/kernel/src/inet6_sctp.erl +++ b/lib/kernel/src/inet6_sctp.erl @@ -1,8 +1,8 @@ %% %% %CopyrightBegin% -%% +%% %% Copyright Ericsson AB 2007-2016. All Rights Reserved. -%% +%% %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. %% You may obtain a copy of the License at @@ -14,13 +14,12 @@ %% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %% See the License for the specific language governing permissions and %% limitations under the License. -%% +%% %% %CopyrightEnd% %% %% SCTP protocol contribution by Leonid Timochouk and Serge Aleynikov. %% See also: $ERL_TOP/lib/kernel/AUTHORS %% -%% -module(inet6_sctp). %% This module provides functions for communicating with @@ -31,6 +30,7 @@ -include("inet_sctp.hrl"). -include("inet_int.hrl"). +-define(PROTO, sctp). -define(FAMILY, inet6). -export([getserv/1,getaddr/1,getaddr/2,translate_ip/1]). -export([open/1,close/1,listen/2,peeloff/2,connect/5]). @@ -39,25 +39,19 @@ getserv(Port) when is_integer(Port) -> {ok, Port}; -getserv(Name) when is_atom(Name) -> - inet:getservbyname(Name, sctp); -getserv(_) -> - {error,einval}. - -getaddr(Address) -> - inet:getaddr(Address, ?FAMILY). -getaddr(Address, Timer) -> - inet:getaddr_tm(Address, ?FAMILY, Timer). +getserv(Name) when is_atom(Name) -> inet:getservbyname(Name, ?PROTO); +getserv(_) -> {error,einval}. -translate_ip(IP) -> - inet:translate_ip(IP, ?FAMILY). +getaddr(Address) -> inet:getaddr(Address, ?FAMILY). +getaddr(Address, Timer) -> inet:getaddr_tm(Address, ?FAMILY, Timer). +translate_ip(IP) -> inet:translate_ip(IP, ?FAMILY). open(Opts) -> case inet:sctp_options(Opts, ?MODULE) of {ok,#sctp_opts{fd=Fd,ifaddr=Addr,port=Port,type=Type,opts=SOs}} -> - inet:open(Fd, Addr, Port, SOs, sctp, ?FAMILY, Type, ?MODULE); + inet:open(Fd, Addr, Port, SOs, ?PROTO, ?FAMILY, Type, ?MODULE); Error -> Error end. diff --git a/lib/kernel/src/inet6_tcp.erl b/lib/kernel/src/inet6_tcp.erl index 3dfe5dfc86..a0d5d3df70 100644 --- a/lib/kernel/src/inet6_tcp.erl +++ b/lib/kernel/src/inet6_tcp.erl @@ -25,13 +25,18 @@ -export([controlling_process/2]). -export([fdopen/2]). --export([family/0, mask/2, parse_address/1]). +-export([family/0, mask/2, parse_address/1]). % inet_tcp_dist -export([getserv/1, getaddr/1, getaddr/2, getaddrs/1, getaddrs/2]). +-export([translate_ip/1]). -include("inet_int.hrl"). +-define(FAMILY, inet6). +-define(PROTO, tcp). +-define(TYPE, stream). + %% my address family -family() -> inet6. +family() -> ?FAMILY. %% Apply netmask on address mask({M1,M2,M3,M4,M5,M6,M7,M8}, {IP1,IP2,IP3,IP4,IP5,IP6,IP7,IP8}) -> @@ -50,15 +55,18 @@ parse_address(Host) -> %% inet_tcp port lookup getserv(Port) when is_integer(Port) -> {ok, Port}; -getserv(Name) when is_atom(Name) -> inet:getservbyname(Name,tcp). +getserv(Name) when is_atom(Name) -> inet:getservbyname(Name, ?PROTO). %% inet_tcp address lookup -getaddr(Address) -> inet:getaddr(Address, inet6). -getaddr(Address,Timer) -> inet:getaddr_tm(Address, inet6, Timer). +getaddr(Address) -> inet:getaddr(Address, ?FAMILY). +getaddr(Address, Timer) -> inet:getaddr_tm(Address, ?FAMILY, Timer). %% inet_tcp address lookup -getaddrs(Address) -> inet:getaddrs(Address, inet6). -getaddrs(Address,Timer) -> inet:getaddrs_tm(Address,inet6,Timer). +getaddrs(Address) -> inet:getaddrs(Address, ?FAMILY). +getaddrs(Address, Timer) -> inet:getaddrs_tm(Address, ?FAMILY, Timer). + +%% inet_udp special this side addresses +translate_ip(IP) -> inet:translate_ip(IP, ?FAMILY). %% %% Send data on a socket @@ -73,11 +81,6 @@ recv(Socket, Length) -> prim_inet:recv(Socket, Length). recv(Socket, Length, Timeout) -> prim_inet:recv(Socket, Length, Timeout). unrecv(Socket, Data) -> prim_inet:unrecv(Socket, Data). -%% -%% Close a socket (async) -%% -close(Socket) -> - inet:tcp_close(Socket). %% %% Shutdown one end of a socket @@ -86,6 +89,12 @@ shutdown(Socket, How) -> prim_inet:shutdown(Socket, How). %% +%% Close a socket (async) +%% +close(Socket) -> + inet:tcp_close(Socket). + +%% %% Set controlling process %% FIXME: move messages to new owner!!! %% @@ -100,24 +109,28 @@ connect(Address, Port, Opts) -> connect(Address, Port, Opts, infinity) -> do_connect(Address, Port, Opts, infinity); -connect(Address, Port, Opts, Timeout) when is_integer(Timeout), - Timeout >= 0 -> +connect(Address, Port, Opts, Timeout) + when is_integer(Timeout), Timeout >= 0 -> do_connect(Address, Port, Opts, Timeout). -do_connect(Addr = {A,B,C,D,E,F,G,H}, Port, Opts, Time) when - ?ip6(A,B,C,D,E,F,G,H), ?port(Port) -> - case inet:connect_options(Opts, inet6) of +do_connect(Addr = {A,B,C,D,E,F,G,H}, Port, Opts, Time) + when ?ip6(A,B,C,D,E,F,G,H), ?port(Port) -> + case inet:connect_options(Opts, ?MODULE) of {error, Reason} -> exit(Reason); - {ok, #connect_opts{fd=Fd, - ifaddr=BAddr={Ab,Bb,Cb,Db,Eb,Fb,Gb,Hb}, - port=BPort, - opts=SockOpts}} + {ok, + #connect_opts{ + fd = Fd, + ifaddr = BAddr = {Ab,Bb,Cb,Db,Eb,Fb,Gb,Hb}, + port = BPort, + opts = SockOpts}} when ?ip6(Ab,Bb,Cb,Db,Eb,Fb,Gb,Hb), ?port(BPort) -> - case inet:open(Fd,BAddr,BPort,SockOpts,tcp,inet6,stream,?MODULE) of + case inet:open( + Fd, BAddr, BPort, SockOpts, + ?PROTO, ?FAMILY, ?TYPE, ?MODULE) of {ok, S} -> case prim_inet:connect(S, Addr, Port, Time) of - ok -> {ok,S}; - Error -> prim_inet:close(S), Error + ok -> {ok,S}; + Error -> prim_inet:close(S), Error end; Error -> Error end; @@ -128,14 +141,18 @@ do_connect(Addr = {A,B,C,D,E,F,G,H}, Port, Opts, Time) when %% Listen %% listen(Port, Opts) -> - case inet:listen_options([{port,Port} | Opts], inet6) of + case inet:listen_options([{port,Port} | Opts], ?MODULE) of {error, Reason} -> exit(Reason); - {ok, #listen_opts{fd=Fd, - ifaddr=BAddr={A,B,C,D,E,F,G,H}, - port=BPort, - opts=SockOpts}=R} + {ok, + #listen_opts{ + fd = Fd, + ifaddr = BAddr = {A,B,C,D,E,F,G,H}, + port = BPort, + opts = SockOpts} = R} when ?ip6(A,B,C,D,E,F,G,H), ?port(BPort) -> - case inet:open(Fd,BAddr,BPort,SockOpts,tcp,inet6,stream,?MODULE) of + case inet:open( + Fd, BAddr, BPort, SockOpts, + ?PROTO, ?FAMILY, ?TYPE, ?MODULE) of {ok, S} -> case prim_inet:listen(S, R#listen_opts.backlog) of ok -> {ok, S}; @@ -156,18 +173,17 @@ accept(L) -> {ok,S}; Error -> Error end. - -accept(L,Timeout) -> - case prim_inet:accept(L,Timeout) of + +accept(L, Timeout) -> + case prim_inet:accept(L, Timeout) of {ok, S} -> inet_db:register_socket(S, ?MODULE), {ok,S}; Error -> Error end. - + %% %% Create a port/socket from a file descriptor %% fdopen(Fd, Opts) -> - inet:fdopen(Fd, Opts, tcp, inet6, stream, ?MODULE). - + inet:fdopen(Fd, Opts, ?PROTO, ?FAMILY, ?TYPE, ?MODULE). diff --git a/lib/kernel/src/inet6_udp.erl b/lib/kernel/src/inet6_udp.erl index eb6945f60a..71db0357cd 100644 --- a/lib/kernel/src/inet6_udp.erl +++ b/lib/kernel/src/inet6_udp.erl @@ -24,29 +24,44 @@ -export([controlling_process/2]). -export([fdopen/2]). --export([getserv/1, getaddr/1, getaddr/2]). +-export([getserv/1, getaddr/1, getaddr/2, translate_ip/1]). -include("inet_int.hrl"). +-define(FAMILY, inet6). +-define(PROTO, udp). +-define(TYPE, dgram). + + %% inet_udp port lookup getserv(Port) when is_integer(Port) -> {ok, Port}; -getserv(Name) when is_atom(Name) -> inet:getservbyname(Name,udp). +getserv(Name) when is_atom(Name) -> inet:getservbyname(Name, ?PROTO). %% inet_udp address lookup -getaddr(Address) -> inet:getaddr(Address, inet6). -getaddr(Address,Timer) -> inet:getaddr(Address, inet6, Timer). +getaddr(Address) -> inet:getaddr(Address, ?FAMILY). +getaddr(Address, Timer) -> inet:getaddr(Address, ?FAMILY, Timer). + +%% inet_udp special this side addresses +translate_ip(IP) -> inet:translate_ip(IP, ?FAMILY). +-spec open(_) -> {ok, inet:socket()} | {error, atom()}. open(Port) -> open(Port, []). +-spec open(_, _) -> {ok, inet:socket()} | {error, atom()}. open(Port, Opts) -> - case inet:udp_options([{port,Port} | Opts], inet6) of + case inet:udp_options( + [{port,Port} | Opts], + ?MODULE) of {error, Reason} -> exit(Reason); - {ok, #udp_opts{fd=Fd, - ifaddr=BAddr={A,B,C,D,E,F,G,H}, - port=BPort, - opts=SockOpts}} + {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,dgram,?MODULE); + inet:open( + Fd, BAddr, BPort, SockOpts, ?PROTO, ?FAMILY, ?TYPE, ?MODULE); {ok, _} -> exit(badarg) end. @@ -61,12 +76,13 @@ 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) -> +recv(S, Len) -> prim_inet:recvfrom(S, Len). -recv(S,Len,Time) -> +recv(S, Len, Time) -> prim_inet:recvfrom(S, Len, Time). +-spec close(inet:socket()) -> ok. close(S) -> inet:udp_close(S). @@ -85,4 +101,4 @@ controlling_process(Socket, NewOwner) -> %% Create a port/socket from a file descriptor %% fdopen(Fd, Opts) -> - inet:fdopen(Fd, Opts, udp, inet6, dgram, ?MODULE). + inet:fdopen(Fd, Opts, ?PROTO, ?FAMILY, ?TYPE, ?MODULE). diff --git a/lib/kernel/src/inet_int.hrl b/lib/kernel/src/inet_int.hrl index 65d78b66c9..32d09fb63c 100644 --- a/lib/kernel/src/inet_int.hrl +++ b/lib/kernel/src/inet_int.hrl @@ -29,6 +29,8 @@ -define(INET_AF_INET6, 2). -define(INET_AF_ANY, 3). % Fake for ANY in any address family -define(INET_AF_LOOPBACK, 4). % Fake for LOOPBACK in any address family +-define(INET_AF_LOCAL, 5). % For Unix Domain address family +-define(INET_AF_UNDEFINED, 6). % For any unknown address family %% type codes to open and gettype - INET_REQ_GETTYPE -define(INET_TYPE_STREAM, 1). @@ -378,7 +380,7 @@ { ifaddr = any, %% bind to interface address port = 0, %% bind to port (default is dynamic port) - fd = -1, %% fd >= 0 => already bound + fd = -1, %% fd >= 0 => already bound opts = [] %% [{active,true}] added in inet:connect_options }). diff --git a/lib/kernel/src/inet_sctp.erl b/lib/kernel/src/inet_sctp.erl index 60677cb7de..8569cacb29 100644 --- a/lib/kernel/src/inet_sctp.erl +++ b/lib/kernel/src/inet_sctp.erl @@ -30,6 +30,7 @@ -include("inet_sctp.hrl"). -include("inet_int.hrl"). +-define(PROTO, sctp). -define(FAMILY, inet). -export([getserv/1,getaddr/1,getaddr/2,translate_ip/1]). -export([open/1,close/1,listen/2,peeloff/2,connect/5]). @@ -38,25 +39,19 @@ getserv(Port) when is_integer(Port) -> {ok, Port}; -getserv(Name) when is_atom(Name) -> - inet:getservbyname(Name, sctp); -getserv(_) -> - {error,einval}. +getserv(Name) when is_atom(Name) -> inet:getservbyname(Name, ?PROTO); +getserv(_) -> {error,einval}. -getaddr(Address) -> - inet:getaddr(Address, ?FAMILY). -getaddr(Address, Timer) -> - inet:getaddr_tm(Address, ?FAMILY, Timer). - -translate_ip(IP) -> - inet:translate_ip(IP, ?FAMILY). +getaddr(Address) -> inet:getaddr(Address, ?FAMILY). +getaddr(Address, Timer) -> inet:getaddr_tm(Address, ?FAMILY, Timer). +translate_ip(IP) -> inet:translate_ip(IP, ?FAMILY). open(Opts) -> case inet:sctp_options(Opts, ?MODULE) of {ok,#sctp_opts{fd=Fd,ifaddr=Addr,port=Port,type=Type,opts=SOs}} -> - inet:open(Fd, Addr, Port, SOs, sctp, ?FAMILY, Type, ?MODULE); + inet:open(Fd, Addr, Port, SOs, ?PROTO, ?FAMILY, Type, ?MODULE); Error -> Error end. diff --git a/lib/kernel/src/inet_tcp.erl b/lib/kernel/src/inet_tcp.erl index ee885af3b0..dac6b3119d 100644 --- a/lib/kernel/src/inet_tcp.erl +++ b/lib/kernel/src/inet_tcp.erl @@ -27,13 +27,18 @@ -export([controlling_process/2]). -export([fdopen/2]). --export([family/0, mask/2, parse_address/1]). +-export([family/0, mask/2, parse_address/1]). % inet_tcp_dist -export([getserv/1, getaddr/1, getaddr/2, getaddrs/1, getaddrs/2]). +-export([translate_ip/1]). -include("inet_int.hrl"). +-define(FAMILY, inet). +-define(PROTO, tcp). +-define(TYPE, stream). + %% my address family -family() -> inet. +family() -> ?FAMILY. %% Apply netmask on address mask({M1,M2,M3,M4}, {IP1,IP2,IP3,IP4}) -> @@ -48,16 +53,19 @@ parse_address(Host) -> %% inet_tcp port lookup getserv(Port) when is_integer(Port) -> {ok, Port}; -getserv(Name) when is_atom(Name) -> inet:getservbyname(Name,tcp). +getserv(Name) when is_atom(Name) -> inet:getservbyname(Name, ?PROTO). %% inet_tcp address lookup -getaddr(Address) -> inet:getaddr(Address, inet). -getaddr(Address,Timer) -> inet:getaddr_tm(Address, inet, Timer). +getaddr(Address) -> inet:getaddr(Address, ?FAMILY). +getaddr(Address, Timer) -> inet:getaddr_tm(Address, ?FAMILY, Timer). %% inet_tcp address lookup -getaddrs(Address) -> inet:getaddrs(Address, inet). -getaddrs(Address,Timer) -> inet:getaddrs_tm(Address,inet,Timer). - +getaddrs(Address) -> inet:getaddrs(Address, ?FAMILY). +getaddrs(Address, Timer) -> inet:getaddrs_tm(Address, ?FAMILY, Timer). + +%% inet_udp special this side addresses +translate_ip(IP) -> inet:translate_ip(IP, ?FAMILY). + %% %% Send data on a socket %% @@ -77,7 +85,7 @@ unrecv(Socket, Data) -> prim_inet:unrecv(Socket, Data). %% shutdown(Socket, How) -> prim_inet:shutdown(Socket, How). - + %% %% Close a socket (async) %% @@ -88,7 +96,7 @@ close(Socket) -> %% Set controlling process %% controlling_process(Socket, NewOwner) -> - inet:tcp_controlling_process(Socket, NewOwner). + inet:tcp_controlling_process(Socket, NewOwner). %% %% Connect @@ -98,23 +106,28 @@ connect(Address, Port, Opts) -> connect(Address, Port, Opts, infinity) -> do_connect(Address, Port, Opts, infinity); -connect(Address, Port, Opts, Timeout) when is_integer(Timeout), - Timeout >= 0 -> +connect(Address, Port, Opts, Timeout) + when is_integer(Timeout), Timeout >= 0 -> do_connect(Address, Port, Opts, Timeout). -do_connect({A,B,C,D}, Port, Opts, Time) when ?ip(A,B,C,D), ?port(Port) -> - case inet:connect_options(Opts, inet) of +do_connect(Addr = {A,B,C,D}, Port, Opts, Time) + when ?ip(A,B,C,D), ?port(Port) -> + case inet:connect_options(Opts, ?MODULE) of {error, Reason} -> exit(Reason); - {ok, #connect_opts{fd=Fd, - ifaddr=BAddr={Ab,Bb,Cb,Db}, - port=BPort, - opts=SockOpts}} + {ok, + #connect_opts{ + fd = Fd, + ifaddr = BAddr = {Ab,Bb,Cb,Db}, + port = BPort, + opts = SockOpts}} when ?ip(Ab,Bb,Cb,Db), ?port(BPort) -> - case inet:open(Fd,BAddr,BPort,SockOpts,tcp,inet,stream,?MODULE) of + case inet:open( + Fd, BAddr, BPort, SockOpts, + ?PROTO, ?FAMILY, ?TYPE, ?MODULE) of {ok, S} -> - case prim_inet:connect(S, {A,B,C,D}, Port, Time) of - ok -> {ok,S}; - Error -> prim_inet:close(S), Error + case prim_inet:connect(S, Addr, Port, Time) of + ok -> {ok,S}; + Error -> prim_inet:close(S), Error end; Error -> Error end; @@ -125,14 +138,18 @@ do_connect({A,B,C,D}, Port, Opts, Time) when ?ip(A,B,C,D), ?port(Port) -> %% Listen %% listen(Port, Opts) -> - case inet:listen_options([{port,Port} | Opts], inet) of - {error,Reason} -> exit(Reason); - {ok, #listen_opts{fd=Fd, - ifaddr=BAddr={A,B,C,D}, - port=BPort, - opts=SockOpts}=R} + case inet:listen_options([{port,Port} | Opts], ?MODULE) of + {error, Reason} -> exit(Reason); + {ok, + #listen_opts{ + fd = Fd, + ifaddr = BAddr = {A,B,C,D}, + port = BPort, + opts = SockOpts} = R} when ?ip(A,B,C,D), ?port(BPort) -> - case inet:open(Fd,BAddr,BPort,SockOpts,tcp,inet,stream,?MODULE) of + case inet:open( + Fd, BAddr, BPort, SockOpts, + ?PROTO, ?FAMILY, ?TYPE, ?MODULE) of {ok, S} -> case prim_inet:listen(S, R#listen_opts.backlog) of ok -> {ok, S}; @@ -146,23 +163,24 @@ listen(Port, Opts) -> %% %% Accept %% -accept(L) -> +accept(L) -> case prim_inet:accept(L) of {ok, S} -> inet_db:register_socket(S, ?MODULE), {ok,S}; Error -> Error end. - -accept(L,Timeout) -> - case prim_inet:accept(L,Timeout) of + +accept(L, Timeout) -> + case prim_inet:accept(L, Timeout) of {ok, S} -> inet_db:register_socket(S, ?MODULE), {ok,S}; Error -> Error end. + %% %% Create a port/socket from a file descriptor %% fdopen(Fd, Opts) -> - inet:fdopen(Fd, Opts, tcp, inet, stream, ?MODULE). + inet:fdopen(Fd, Opts, ?PROTO, ?FAMILY, ?TYPE, ?MODULE). diff --git a/lib/kernel/src/inet_udp.erl b/lib/kernel/src/inet_udp.erl index 7e8d9cdb72..8a8aa8ecca 100644 --- a/lib/kernel/src/inet_udp.erl +++ b/lib/kernel/src/inet_udp.erl @@ -24,21 +24,26 @@ -export([controlling_process/2]). -export([fdopen/2]). --export([getserv/1, getaddr/1, getaddr/2]). +-export([getserv/1, getaddr/1, getaddr/2, translate_ip/1]). -include("inet_int.hrl"). +-define(FAMILY, inet). +-define(PROTO, udp). +-define(TYPE, dgram). -define(RECBUF, (8*1024)). - %% inet_udp port lookup getserv(Port) when is_integer(Port) -> {ok, Port}; -getserv(Name) when is_atom(Name) -> inet:getservbyname(Name,udp). +getserv(Name) when is_atom(Name) -> inet:getservbyname(Name, ?PROTO). %% inet_udp address lookup -getaddr(Address) -> inet:getaddr(Address, inet). -getaddr(Address,Timer) -> inet:getaddr_tm(Address, inet, Timer). +getaddr(Address) -> inet:getaddr(Address, ?FAMILY). +getaddr(Address, Timer) -> inet:getaddr(Address, ?FAMILY, Timer). + +%% inet_udp special this side addresses +translate_ip(IP) -> inet:translate_ip(IP, ?FAMILY). -spec open(_) -> {ok, inet:socket()} | {error, atom()}. open(Port) -> open(Port, []). @@ -47,33 +52,38 @@ open(Port) -> open(Port, []). open(Port, Opts) -> case inet:udp_options( [{port,Port}, {recbuf, ?RECBUF} | Opts], - inet) of + ?MODULE) of {error, Reason} -> exit(Reason); - {ok, #udp_opts{fd=Fd, - ifaddr=BAddr={A,B,C,D}, - port=BPort, - opts=SockOpts}} when ?ip(A,B,C,D), ?port(BPort) -> - inet:open(Fd,BAddr,BPort,SockOpts,udp,inet,dgram,?MODULE); + {ok, + #udp_opts{ + fd = Fd, + ifaddr = BAddr = {A,B,C,D}, + port = BPort, + opts = SockOpts}} + when ?ip(A,B,C,D), ?port(BPort) -> + inet:open( + Fd, BAddr, BPort, SockOpts, ?PROTO, ?FAMILY, ?TYPE, ?MODULE); {ok, _} -> exit(badarg) end. -send(S,{A,B,C,D},P,Data) when ?ip(A,B,C,D), ?port(P) -> - prim_inet:sendto(S, {A,B,C,D}, P, Data). +send(S, {A,B,C,D} = Addr, P, Data) + when ?ip(A,B,C,D), ?port(P) -> + prim_inet:sendto(S, Addr, P, Data). send(S, Data) -> prim_inet:sendto(S, {0,0,0,0}, 0, Data). -connect(S, {A,B,C,D}, P) when ?ip(A,B,C,D), ?port(P) -> - prim_inet:connect(S, {A,B,C,D}, P). +connect(S, Addr = {A,B,C,D}, P) + when ?ip(A,B,C,D), ?port(P) -> + prim_inet:connect(S, Addr, P). -recv(S,Len) -> +recv(S, Len) -> prim_inet:recvfrom(S, Len). -recv(S,Len,Time) -> +recv(S, Len, Time) -> prim_inet:recvfrom(S, Len, Time). -spec close(inet:socket()) -> ok. - close(S) -> inet:udp_close(S). @@ -92,9 +102,9 @@ controlling_process(Socket, NewOwner) -> %% Create a port/socket from a file descriptor %% fdopen(Fd, Opts) -> - inet:fdopen(Fd, - optuniquify([{recbuf, ?RECBUF} | Opts]), - udp, inet, dgram, ?MODULE). + inet:fdopen( + Fd, optuniquify([{recbuf, ?RECBUF} | Opts]), + ?PROTO, ?FAMILY, ?TYPE, ?MODULE). %% Remove all duplicate options from an option list. diff --git a/lib/kernel/src/kernel.app.src b/lib/kernel/src/kernel.app.src index 1acd6803b2..56d1699656 100644 --- a/lib/kernel/src/kernel.app.src +++ b/lib/kernel/src/kernel.app.src @@ -55,6 +55,8 @@ inet_tcp_dist, kernel, kernel_config, + local_tcp, + local_udp, net, net_adm, net_kernel, diff --git a/lib/kernel/src/local_tcp.erl b/lib/kernel/src/local_tcp.erl new file mode 100644 index 0000000000..64085ec42e --- /dev/null +++ b/lib/kernel/src/local_tcp.erl @@ -0,0 +1,172 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 1997-2016. All Rights Reserved. +%% +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at +%% +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. +%% +%% %CopyrightEnd% +%% +-module(local_tcp). + +%% Socket server for TCP/IP + +-export([connect/3, connect/4, listen/2, accept/1, accept/2, close/1]). +-export([send/2, send/3, recv/2, recv/3, unrecv/2]). +-export([shutdown/2]). +-export([controlling_process/2]). +-export([fdopen/2]). + +-export([getserv/1, getaddr/1, getaddr/2, getaddrs/1, getaddrs/2]). +-export([translate_ip/1]). + +-include("inet_int.hrl"). + +-define(FAMILY, local). +-define(PROTO, tcp). +-define(TYPE, stream). + +%% port lookup +getserv(0) -> {ok, 0}. + +%% no address lookup +getaddr({?FAMILY, _} = Address) -> {ok, Address}. +getaddr({?FAMILY, _} = Address, _Timer) -> {ok, Address}. + +%% no address lookup +getaddrs({?FAMILY, _} = Address) -> {ok, [Address]}. +getaddrs({?FAMILY, _} = Address, _Timer) -> {ok, [Address]}. + +%% special this side addresses +translate_ip(IP) -> IP. + +%% +%% Send data on a socket +%% +send(Socket, Packet, Opts) -> prim_inet:send(Socket, Packet, Opts). +send(Socket, Packet) -> prim_inet:send(Socket, Packet, []). + +%% +%% Receive data from a socket (inactive only) +%% +recv(Socket, Length) -> prim_inet:recv(Socket, Length). +recv(Socket, Length, Timeout) -> prim_inet:recv(Socket, Length, Timeout). + +unrecv(Socket, Data) -> prim_inet:unrecv(Socket, Data). + +%% +%% Shutdown one end of a socket +%% +shutdown(Socket, How) -> + prim_inet:shutdown(Socket, How). + +%% +%% Close a socket (async) +%% +close(Socket) -> + inet:tcp_close(Socket). + +%% +%% Set controlling process +%% FIXME: move messages to new owner!!! +%% +controlling_process(Socket, NewOwner) -> + inet:tcp_controlling_process(Socket, NewOwner). + +%% +%% Connect +%% +connect(Address, Port, Opts) -> + do_connect(Address, Port, Opts, infinity). +%% +connect(Address, Port, Opts, infinity) -> + do_connect(Address, Port, Opts, infinity); +connect(Address, Port, Opts, Timeout) + when is_integer(Timeout), Timeout >= 0 -> + do_connect(Address, Port, Opts, Timeout). + +do_connect(Addr = {?FAMILY, _}, 0, Opts, Time) -> + case inet:connect_options(Opts, ?MODULE) of + {error, Reason} -> exit(Reason); + {ok, + #connect_opts{ + fd = Fd, + ifaddr = BAddr, + port = 0, + opts = SockOpts}} + when tuple_size(BAddr) =:= 2, element(1, BAddr) =:= ?FAMILY; + BAddr =:= any -> + case inet:open( + Fd, BAddr, 0, SockOpts, + ?PROTO, ?FAMILY, ?TYPE, ?MODULE) of + {ok, S} -> + case prim_inet:connect(S, Addr, 0, Time) of + ok -> {ok,S}; + Error -> prim_inet:close(S), Error + end; + Error -> Error + end; + {ok, _} -> exit(badarg) + end. + +%% +%% Listen +%% +listen(0, Opts) -> + case inet:listen_options([{port,0} | Opts], ?MODULE) of + {error, Reason} -> exit(Reason); + {ok, + #listen_opts{ + fd = Fd, + ifaddr = BAddr, + port = 0, + opts = SockOpts} = R} + when tuple_size(BAddr) =:= 2, element(1, BAddr) =:= ?FAMILY; + BAddr =:= any -> + case inet:open( + Fd, BAddr, 0, SockOpts, + ?PROTO, ?FAMILY, ?TYPE, ?MODULE) of + {ok, S} -> + case prim_inet:listen(S, R#listen_opts.backlog) of + ok -> {ok, S}; + Error -> prim_inet:close(S), Error + end; + Error -> Error + end; + {ok, _} -> exit(badarg) + end. + +%% +%% Accept +%% +accept(L) -> + case prim_inet:accept(L) of + {ok, S} -> + inet_db:register_socket(S, ?MODULE), + {ok,S}; + Error -> Error + end. +%% +accept(L, Timeout) -> + case prim_inet:accept(L, Timeout) of + {ok, S} -> + inet_db:register_socket(S, ?MODULE), + {ok,S}; + Error -> Error + end. + +%% +%% Create a port/socket from a file descriptor +%% +fdopen(Fd, Opts) -> + inet:fdopen(Fd, Opts, ?PROTO, ?FAMILY, ?TYPE, ?MODULE). diff --git a/lib/kernel/src/local_udp.erl b/lib/kernel/src/local_udp.erl new file mode 100644 index 0000000000..ebb4d2b33f --- /dev/null +++ b/lib/kernel/src/local_udp.erl @@ -0,0 +1,99 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 1997-2016. All Rights Reserved. +%% +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at +%% +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. +%% +%% %CopyrightEnd% +%% +-module(local_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, translate_ip/1]). + +-include("inet_int.hrl"). + +-define(FAMILY, local). +-define(PROTO, udp). +-define(TYPE, dgram). + + +%% port lookup +getserv(0) -> {ok, 0}. + +%% no address lookup +getaddr({?FAMILY, _} = Address) -> {ok, Address}. +getaddr({?FAMILY, _} = Address, _Timer) -> {ok, Address}. + +%% special this side addresses +translate_ip(IP) -> IP. + +open(0) -> open(0, []). +%% +open(0, Opts) -> + case inet:udp_options( + [{port,0} | Opts], + ?MODULE) of + {error, Reason} -> exit(Reason); + {ok, + #udp_opts{ + fd = Fd, + ifaddr = BAddr, + port = 0, + opts = SockOpts}} + when tuple_size(BAddr) =:= 2, element(1, BAddr) =:= ?FAMILY; + BAddr =:= any -> + inet:open( + Fd, BAddr, 0, SockOpts, ?PROTO, ?FAMILY, ?TYPE, ?MODULE); + {ok, _} -> exit(badarg) + end. + +send(S, Addr = {?FAMILY,_}, 0, Data) -> + prim_inet:sendto(S, Addr, 0, Data). +%% +send(S, Data) -> + prim_inet:sendto(S, {?FAMILY,<<>>}, 0, Data). + +connect(S, Addr = {?FAMILY,_}, 0) -> + prim_inet:connect(S, Addr, 0). + +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, ?PROTO, ?FAMILY, ?TYPE, ?MODULE). |