diff options
Diffstat (limited to 'lib/kernel/src/inet.erl')
| -rw-r--r-- | lib/kernel/src/inet.erl | 91 |
1 files changed, 63 insertions, 28 deletions
diff --git a/lib/kernel/src/inet.erl b/lib/kernel/src/inet.erl index de43ea792b..20c64a39ca 100644 --- a/lib/kernel/src/inet.erl +++ b/lib/kernel/src/inet.erl @@ -73,8 +73,9 @@ -export([start_timer/1, timeout/1, timeout/2, stop_timer/1]). -export_type([address_family/0, hostent/0, hostname/0, ip4_address/0, - ip6_address/0, ip_address/0, posix/0, socket/0, - port_number/0]). + ip6_address/0, ip_address/0, port_number/0, + local_address/0, socket_address/0, returned_non_ip_address/0, + posix/0, socket/0]). %% imports -import(lists, [append/1, duplicate/2, filter/2, foldl/3]). @@ -98,6 +99,11 @@ 0..65535,0..65535,0..65535,0..65535}. -type ip_address() :: ip4_address() | ip6_address(). -type port_number() :: 0..65535. +-type local_address() :: {local, File :: binary() | string()}. +-type returned_non_ip_address() :: + {local, binary()} | + {unspec, <<>>} | + {undefined, any()}. -type posix() :: exbadport | exbadseq | file:posix(). -type socket() :: port(). @@ -138,7 +144,7 @@ -type socket_protocol() :: 'tcp' | 'udp' | 'sctp'. -type socket_type() :: 'stream' | 'dgram' | 'seqpacket'. -type socket_address() :: - ip_address() | {address_family(), any()} | 'any' | 'loopback'. + ip_address() | 'any' | 'loopback' | local_address(). -type stat_option() :: 'recv_cnt' | 'recv_max' | 'recv_avg' | 'recv_oct' | 'recv_dvi' | 'send_cnt' | 'send_max' | 'send_avg' | 'send_oct' | 'send_pend'. @@ -163,26 +169,33 @@ close(Socket) -> end. --spec peername(Socket) -> {ok, {Address, Port}} | {error, posix()} when - Socket :: socket(), - Address :: ip_address(), - Port :: non_neg_integer(). +-spec peername(Socket :: socket()) -> + {ok, + {ip_address(), port_number()} | + returned_non_ip_address()} | + {error, posix()}. peername(Socket) -> prim_inet:peername(Socket). --spec setpeername(Socket :: socket(), Address :: {ip_address(), port_number()}) -> - 'ok' | {'error', any()}. +-spec setpeername( + Socket :: socket(), + Address :: + {ip_address() | 'any' | 'loopback', + port_number()} | + socket_address()) -> + 'ok' | {'error', any()}. setpeername(Socket, {IP,Port}) -> prim_inet:setpeername(Socket, {IP,Port}); setpeername(Socket, undefined) -> prim_inet:setpeername(Socket, undefined). --spec peernames(Socket) -> {ok, [{Address, Port}]} | {error, posix()} when - Socket :: socket(), - Address :: ip_address(), - Port :: non_neg_integer(). +-spec peernames(Socket :: socket()) -> + {ok, + [{ip_address(), port_number()} | + returned_non_ip_address()]} | + {error, posix()}. peernames(Socket) -> prim_inet:peernames(Socket). @@ -198,15 +211,21 @@ peernames(Socket, Assoc) -> prim_inet:peernames(Socket, Assoc). --spec sockname(Socket) -> {ok, {Address, Port}} | {error, posix()} when - Socket :: socket(), - Address :: ip_address(), - Port :: non_neg_integer(). +-spec sockname(Socket :: socket()) -> + {ok, + {ip_address(), port_number()} | + returned_non_ip_address()} | + {error, posix()}. sockname(Socket) -> prim_inet:sockname(Socket). --spec setsockname(Socket :: socket(), Address :: {ip_address(), port_number()}) -> +-spec setsockname( + Socket :: socket(), + Address :: + {ip_address() | 'any' | 'loopback', + port_number()} | + socket_address()) -> 'ok' | {'error', any()}. setsockname(Socket, {IP,Port}) -> @@ -214,10 +233,11 @@ setsockname(Socket, {IP,Port}) -> setsockname(Socket, undefined) -> prim_inet:setsockname(Socket, undefined). --spec socknames(Socket) -> {ok, [{Address, Port}]} | {error, posix()} when - Socket :: socket(), - Address :: ip_address(), - Port :: non_neg_integer(). +-spec socknames(Socket :: socket()) -> + {ok, + [{ip_address(), port_number()} | + returned_non_ip_address()]} | + {error, posix()}. socknames(Socket) -> prim_inet:socknames(Socket). @@ -1296,7 +1316,17 @@ gethostbyaddr_tm_native(Addr, Timer, Opts) -> end. -spec open(Fd_or_OpenOpts :: integer() | list(), - Addr :: socket_address(), + Addr :: + socket_address() | + {ip_address() | 'any' | 'loopback', % Unofficial + port_number()} | + {inet, % Unofficial + {ip4_address() | 'any' | 'loopback', + port_number()}} | + {inet6, % Unofficial + {ip6_address() | 'any' | 'loopback', + port_number()}} | + undefined, % Internal - no bind() Port :: port_number(), Opts :: [socket_setopt()], Protocol :: socket_protocol(), @@ -1316,11 +1346,16 @@ open(FdO, Addr, Port, Opts, Protocol, Family, Type, Module) {ok,S} -> case prim_inet:setopts(S, Opts) of ok -> - case if is_list(Addr) -> - bindx(S, Addr, Port); - true -> - prim_inet:bind(S, Addr, Port) - end of + case + case Addr of + undefined -> + {ok, undefined}; + _ when is_list(Addr) -> + bindx(S, Addr, Port); + _ -> + prim_inet:bind(S, Addr, Port) + end + of {ok, _} -> inet_db:register_socket(S, Module), {ok,S}; |