diff options
Diffstat (limited to 'lib/kernel/src/inet.erl')
| -rw-r--r-- | lib/kernel/src/inet.erl | 87 |
1 files changed, 80 insertions, 7 deletions
diff --git a/lib/kernel/src/inet.erl b/lib/kernel/src/inet.erl index 27f085c3aa..35236f4cb3 100644 --- a/lib/kernel/src/inet.erl +++ b/lib/kernel/src/inet.erl @@ -24,6 +24,7 @@ %% socket -export([peername/1, sockname/1, port/1, send/2, + peernames/1, peernames/2, socknames/1, socknames/2, setopts/2, getopts/2, getifaddrs/0, getifaddrs/1, getif/1, getif/0, getiflist/0, getiflist/1, @@ -120,6 +121,17 @@ 'addr' | 'broadaddr' | 'dstaddr' | 'mtu' | 'netmask' | 'flags' |'hwaddr'. +-type if_getopt_result() :: + {'addr', ip_address()} | + {'broadaddr', ip_address()} | + {'dstaddr', ip_address()} | + {'mtu', non_neg_integer()} | + {'netmask', ip_address()} | + {'flags', ['up' | 'down' | 'broadcast' | 'no_broadcast' | + 'pointtopoint' | 'no_pointtopoint' | + 'running' | 'multicast' | 'loopback']} | + {'hwaddr', ether_address()}. + -type address_family() :: 'inet' | 'inet6'. -type socket_protocol() :: 'tcp' | 'udp' | 'sctp'. -type socket_type() :: 'stream' | 'dgram' | 'seqpacket'. @@ -146,6 +158,7 @@ close(Socket) -> ok end. + -spec peername(Socket) -> {ok, {Address, Port}} | {error, posix()} when Socket :: socket(), Address :: ip_address(), @@ -162,6 +175,24 @@ 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(). + +peernames(Socket) -> + prim_inet:peernames(Socket). + +-spec peernames(Socket, Assoc) -> + {ok, [{Address, Port}]} | {error, posix()} when + Socket :: socket(), + Assoc :: #sctp_assoc_change{} | gen_sctp:assoc_id(), + Address :: ip_address(), + Port :: non_neg_integer(). + +peernames(Socket, Assoc) -> + prim_inet:peernames(Socket, Assoc). + -spec sockname(Socket) -> {ok, {Address, Port}} | {error, posix()} when Socket :: socket(), @@ -179,6 +210,25 @@ 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(). + +socknames(Socket) -> + prim_inet:socknames(Socket). + +-spec socknames(Socket, Assoc) -> + {ok, [{Address, Port}]} | {error, posix()} when + Socket :: socket(), + Assoc :: #sctp_assoc_change{} | gen_sctp:assoc_id(), + Address :: ip_address(), + Port :: non_neg_integer(). + +socknames(Socket, Assoc) -> + prim_inet:socknames(Socket, Assoc). + + -spec port(Socket) -> {'ok', Port} | {'error', any()} when Socket :: socket(), Port :: port_number(). @@ -266,13 +316,13 @@ getiflist() -> -spec ifget(Socket :: socket(), Name :: string() | atom(), Opts :: [if_getopt()]) -> - {'ok', [if_setopt()]} | {'error', posix()}. + {'ok', [if_getopt_result()]} | {'error', posix()}. ifget(Socket, Name, Opts) -> prim_inet:ifget(Socket, Name, Opts). -spec ifget(Name :: string() | atom(), Opts :: [if_getopt()]) -> - {'ok', [if_setopt()]} | {'error', posix()}. + {'ok', [if_getopt_result()]} | {'error', posix()}. ifget(Name, Opts) -> withsocket(fun(S) -> prim_inet:ifget(S, Name, Opts) end). @@ -1196,9 +1246,9 @@ open(FdO, Addr, Port, Opts, Protocol, Family, Type, Module) Error -> Error end; -open(Fd, _Addr, _Port, Opts, Protocol, Family, Type, Module) +open(Fd, Addr, Port, Opts, Protocol, Family, Type, Module) when is_integer(Fd) -> - fdopen(Fd, Opts, Protocol, Family, Type, Module). + fdopen(Fd, Addr, Port, Opts, Protocol, Family, Type, Module). bindx(S, [Addr], Port0) -> {IP, Port} = set_bindx_port(Addr, Port0), @@ -1237,12 +1287,35 @@ change_bindx_0_port({_IP, _Port}=Addr, _AssignedPort) -> {'ok', socket()} | {'error', posix()}. fdopen(Fd, Opts, Protocol, Family, Type, Module) -> - case prim_inet:fdopen(Protocol, Family, Type, Fd) of + fdopen(Fd, any, 0, Opts, Protocol, Family, Type, Module). + +fdopen(Fd, Addr, Port, Opts, Protocol, Family, Type, Module) -> + IsAnyAddr = (Addr == {0,0,0,0} orelse Addr == {0,0,0,0,0,0,0,0} + orelse Addr == any), + Bound = Port == 0 andalso IsAnyAddr, + case prim_inet:fdopen(Protocol, Family, Type, Fd, Bound) of {ok, S} -> case prim_inet:setopts(S, Opts) of ok -> - inet_db:register_socket(S, Module), - {ok, S}; + case if + Bound -> + %% We do not do any binding if default + %% port+addr options where given in order + %% to keep backwards compatability with + %% pre Erlang/TOP 17 + {ok, ok}; + is_list(Addr) -> + bindx(S, Addr, Port); + true -> + prim_inet:bind(S, Addr, Port) + end of + {ok, _} -> + inet_db:register_socket(S, Module), + {ok, S}; + Error -> + prim_inet:close(S), + Error + end; Error -> prim_inet:close(S), Error end; |