port info

This commit is contained in:
huangdan 2015-06-03 14:07:18 +08:00
parent de3b0fb8c0
commit ae54ec1343
1 changed files with 124 additions and 1 deletions

View File

@ -67,6 +67,37 @@
min_heap_size]).%,
%fullsweep_after]).
-define(SOCKET_OPTS, [
active,
broadcast,
buffer,
buffer,
buffer,
buffer,
delay_send,
dontroute,
exit_on_close,
header,
high_watermark,
ipv6_v6only,
keepalive,
linger,
low_watermark,
mode,
nodelay,
packet,
packet_size,
priority,
read_packets,
recbuf,
reuseaddr,
send_timeout,
send_timeout_close,
sndbuf,
tos
]).
-author("Feng Lee <feng@emqtt.io>").
-export([loads/0,
@ -85,7 +116,9 @@
get_ets_object/0,
get_ets_object/1]).
-export([get_port_types/0]).
-export([get_port_types/0,
get_port_info/0,
get_port_info/1]).
loads() ->
@ -225,6 +258,83 @@ get_port_types() ->
lists:usort(fun({KA, VA},{KB, VB})-> {VA, KB} >{VB, KA} end,
ports_type_count([Type || {_Port, Type} <- ports_type_list()])).
get_port_info() ->
[get_port_info(Port) ||Port <- erlang:ports()].
get_port_info(PortTerm) ->
Port = transform_port(PortTerm),
[port_info(Port, Type) || Type <- [meta, signals, io, memory_used, specific]].
port_info(Port, meta) ->
{meta, List} = port_info_type(Port, meta, [id, name, os_pid]),
case port_info(Port, registered_name) of
[] -> {meta, List};
Name -> {meta, [Name | List]}
end;
port_info(PortTerm, signals) ->
port_info_type(PortTerm, signals, [connected, links, monitors]);
port_info(PortTerm, io) ->
port_info_type(PortTerm, io, [input, output]);
port_info(PortTerm, memory_used) ->
port_info_type(PortTerm, memory_used, [memory, queue_size]);
port_info(PortTerm, specific) ->
Port = transform_port(PortTerm),
Props = case erlang:port_info(Port, name) of
{_, Type} when Type =:= "udp_inet";
Type =:= "tcp_inet";
Type =:= "sctp_inet" ->
case catch inet:getstat(Port) of
{ok, Stats} -> [{statistics, Stats}];
_ ->[]
end ++
case catch inet:peername(Port) of
{ok, Peer} ->[{peername, Peer}];
{error, _} ->[]
end ++
case catch inet:sockname(Port) of
{ok, Local} ->[{sockname, Local}];
{error, _} -> []
end ++
case catch inet:getopts(Port, ?SOCKET_OPTS ) of
{ok, Opts} -> [{options, Opts}];
{error, _} -> []
end;
{_, "efile"} ->
[];
_ ->[]
end,
{specific, Props};
port_info(PortTerm, Keys) when is_list(Keys) ->
Port = transform_port(PortTerm),
[erlang:port_info(Port, Key) || Key <- Keys];
port_info(PortTerm, Key) when is_atom(Key) ->
Port = transform_port(PortTerm),
erlang:port_info(Port, Key).
port_info_type(PortTerm, Type, Keys) ->
Port = transform_port(PortTerm),
{Type, [erlang:port_info(Port, Key) || Key <- Keys]}.
transform_port(Port) when is_port(Port) -> Port;
transform_port("#Port<0." ++ Id) ->
N = list_to_integer(lists:sublist(Id, length(Id) - 1)),
transform_port(N);
transform_port(N) when is_integer(N) ->
Name = iolist_to_binary(atom_to_list(node())),
NameLen = iolist_size(Name),
Vsn = binary:last(term_to_binary(self())),
Bin = <<131, 102, 100,
NameLen:2/unit:8,
Name:NameLen/binary,
N:4/unit:8,
Vsn:8>>,
binary_to_term(Bin).
ports_type_list() ->
[{Port, PortType} || Port <- erlang:ports(),
{_, PortType} <- [erlang:port_info(Port, name)]].
@ -246,6 +356,9 @@ mapping([{owner, V}|Entries], Acc) when is_pid(V) ->
mapping([{Key, Value}|Entries], Acc) ->
mapping(Entries, [{Key, pid_port_fun_to_atom(Value)}|Acc]).
%ip_to_binary(Tuple) ->
% iolist_to_binary(string:join(lists:map(fun integer_to_list/1, tuple_to_list(Tuple)), ".")).
convert_pid_info({initial_call,{_M, F, _A}}) ->
{initial_call, F};
convert_pid_info({current_function, {M, F, A}}) ->
@ -259,6 +372,16 @@ convert_pid_info({Key, Term}) when is_pid(Term) or is_port(Term) or is_function(
convert_pid_info(Item) ->
Item.
%convert_port_info({name, Name}) ->
% {name, list_to_binary(Name)};
%convert_port_info({links, List}) ->
% {links, [pid_port_fun_to_atom(Item) || Item <- List]};
%convert_port_info({connected, Pid}) ->
% erlang:process_info(Pid, registered_name);
%convert_port_info(Item) ->
% Item.
pid_port_fun_to_atom(Term) when is_pid(Term) ->
erlang:list_to_atom(pid_to_list(Term));
pid_port_fun_to_atom(Term) when is_port(Term) ->