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-rw-r--r--lib/kernel/src/application.erl43
-rw-r--r--lib/kernel/src/inet.erl114
-rw-r--r--lib/kernel/src/inet_int.hrl1
-rw-r--r--lib/kernel/src/inet_parse.erl4
-rw-r--r--lib/kernel/src/rpc.erl2
-rw-r--r--lib/kernel/src/user_drv.erl2
6 files changed, 155 insertions, 11 deletions
diff --git a/lib/kernel/src/application.erl b/lib/kernel/src/application.erl
index 5dd6b73857..4e8ba1b78a 100644
--- a/lib/kernel/src/application.erl
+++ b/lib/kernel/src/application.erl
@@ -18,7 +18,8 @@
%%
-module(application).
--export([start/1, start/2, start_boot/1, start_boot/2, stop/1,
+-export([ensure_all_started/1, ensure_all_started/2, start/1, start/2,
+ start_boot/1, start_boot/2, stop/1,
load/1, load/2, unload/1, takeover/2,
which_applications/0, which_applications/1,
loaded_applications/0, permit/2]).
@@ -113,6 +114,46 @@ load1(Application, DistNodes) ->
unload(Application) ->
application_controller:unload_application(Application).
+
+-spec ensure_all_started(Application) -> {'ok', Started} | {'error', Reason} when
+ Application :: atom(),
+ Started :: [atom()],
+ Reason :: term().
+ensure_all_started(Application) ->
+ ensure_all_started(Application, temporary).
+
+-spec ensure_all_started(Application, Type) -> {'ok', Started} | {'error', Reason} when
+ Application :: atom(),
+ Type :: restart_type(),
+ Started :: [atom()],
+ Reason :: term().
+ensure_all_started(Application, Type) ->
+ case ensure_all_started(Application, Type, []) of
+ {ok, Started} ->
+ {ok, lists:reverse(Started)};
+ {error, Reason, Started} ->
+ [stop(App) || App <- Started],
+ {error, Reason}
+ end.
+
+ensure_all_started(Application, Type, Started) ->
+ case start(Application, Type) of
+ ok ->
+ {ok, [Application | Started]};
+ {error, {already_started, Application}} ->
+ {ok, Started};
+ {error, {not_started, Dependency}} ->
+ case ensure_all_started(Dependency, Type, Started) of
+ {ok, NewStarted} ->
+ ensure_all_started(Application, Type, NewStarted);
+ Error ->
+ Error
+ end;
+ {error, Reason} ->
+ {error, {Application, Reason}, Started}
+ end.
+
+
-spec start(Application) -> 'ok' | {'error', Reason} when
Application :: atom(),
Reason :: term().
diff --git a/lib/kernel/src/inet.erl b/lib/kernel/src/inet.erl
index 3ea530a366..27f085c3aa 100644
--- a/lib/kernel/src/inet.erl
+++ b/lib/kernel/src/inet.erl
@@ -32,7 +32,7 @@
ip/1, stats/0, options/0,
pushf/3, popf/1, close/1, gethostname/0, gethostname/1,
parse_ipv4_address/1, parse_ipv6_address/1, parse_ipv4strict_address/1,
- parse_ipv6strict_address/1, parse_address/1, parse_strict_address/1]).
+ 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]).
@@ -200,7 +200,14 @@ send(Socket, Packet) ->
Options :: [socket_setopt()].
setopts(Socket, Opts) ->
- prim_inet:setopts(Socket, Opts).
+ SocketOpts =
+ [case Opt of
+ {netns,NS} ->
+ {netns,filename2binary(NS)};
+ _ ->
+ Opt
+ end || Opt <- Opts],
+ prim_inet:setopts(Socket, SocketOpts).
-spec getopts(Socket, Options) ->
{'ok', OptionValues} | {'error', posix()} when
@@ -209,7 +216,18 @@ setopts(Socket, Opts) ->
OptionValues :: [socket_setopt()].
getopts(Socket, Opts) ->
- prim_inet:getopts(Socket, Opts).
+ case prim_inet:getopts(Socket, Opts) of
+ {ok,OptionValues} ->
+ {ok,
+ [case OptionValue of
+ {netns,Bin} ->
+ {netns,binary2filename(Bin)};
+ _ ->
+ OptionValue
+ end || OptionValue <- OptionValues]};
+ Other ->
+ Other
+ end.
-spec getifaddrs(Socket :: socket()) ->
{'ok', [string()]} | {'error', posix()}.
@@ -529,6 +547,13 @@ getservbyname(Name, Protocol) when is_atom(Name) ->
Error -> Error
end.
+-spec ntoa(IpAddress) ->
+ {ok, Address} | {error, einval} when
+ Address :: string(),
+ IpAddress :: ip_address().
+ntoa(Addr) ->
+ inet_parse:ntoa(Addr).
+
-spec parse_ipv4_address(Address) ->
{ok, IPv4Address} | {error, einval} when
Address :: string(),
@@ -634,6 +659,14 @@ con_opt([Opt | Opts], R, 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
+ true ->
+ con_opt(Opts, R#connect_opts { fd = [{netns,BinNS}] }, As);
+ false ->
+ {error, badarg}
+ end;
{Name,Val} when is_atom(Name) -> con_add(Name, Val, R, Opts, As);
_ -> {error, badarg}
end;
@@ -692,6 +725,14 @@ list_opt([Opt | Opts], R, 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
+ true ->
+ list_opt(Opts, R#listen_opts { fd = [{netns,BinNS}] }, As);
+ false ->
+ {error, badarg}
+ end;
{Name,Val} when is_atom(Name) -> list_add(Name, Val, R, Opts, As);
_ -> {error, badarg}
end;
@@ -738,6 +779,14 @@ udp_opt([Opt | Opts], R, 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
+ true ->
+ list_opt(Opts, R#udp_opts { fd = [{netns,BinNS}] }, As);
+ false ->
+ {error, badarg}
+ end;
{Name,Val} when is_atom(Name) -> udp_add(Name, Val, R, Opts, As);
_ -> {error, badarg}
end;
@@ -807,6 +856,17 @@ sctp_opt([Opt|Opts], Mod, R, As) ->
{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
+ true ->
+ sctp_opt(
+ Opts, Mod,
+ R#sctp_opts { fd = [{netns,BinNS}] },
+ As);
+ false ->
+ {error, badarg}
+ end;
{Name,Val} -> sctp_opt (Opts, Mod, R, As, Name, Val);
_ -> {error,badarg}
end;
@@ -851,6 +911,39 @@ add_opt(Name, Val, Opts, As) ->
end.
+%% Passthrough all unknown - catch type errors later
+filename2binary(List) when is_list(List) ->
+ OutEncoding = file:native_name_encoding(),
+ try unicode:characters_to_binary(List, unicode, OutEncoding) of
+ Bin when is_binary(Bin) ->
+ Bin;
+ _ ->
+ List
+ catch
+ error:badarg ->
+ List
+ end;
+filename2binary(Bin) ->
+ Bin.
+
+binary2filename(Bin) ->
+ InEncoding = file:native_name_encoding(),
+ case unicode:characters_to_list(Bin, InEncoding) of
+ Filename when is_list(Filename) ->
+ Filename;
+ _ ->
+ %% For getopt/setopt of netns this should only happen if
+ %% a binary with wrong encoding was used when setting the
+ %% option, hence the user shall eat his/her own medicine.
+ %%
+ %% I.e passthrough here too for now.
+ %% Future usecases will most probably not want this,
+ %% rather Unicode error or warning
+ %% depending on emulator flag instead.
+ Bin
+ end.
+
+
translate_ip(any, inet) -> {0,0,0,0};
translate_ip(loopback, inet) -> {127,0,0,1};
translate_ip(any, inet6) -> {0,0,0,0,0,0,0,0};
@@ -1063,7 +1156,7 @@ gethostbyaddr_tm_native(Addr, Timer, Opts) ->
Result -> Result
end.
--spec open(Fd :: integer(),
+-spec open(Fd_or_OpenOpts :: integer() | list(),
Addr :: ip_address(),
Port :: port_number(),
Opts :: [socket_setopt()],
@@ -1073,8 +1166,14 @@ gethostbyaddr_tm_native(Addr, Timer, Opts) ->
Module :: atom()) ->
{'ok', socket()} | {'error', posix()}.
-open(Fd, Addr, Port, Opts, Protocol, Family, Type, Module) when Fd < 0 ->
- case prim_inet:open(Protocol, Family, Type) of
+open(FdO, Addr, Port, Opts, Protocol, Family, Type, Module)
+ when is_integer(FdO), FdO < 0;
+ is_list(FdO) ->
+ OpenOpts =
+ if is_list(FdO) -> FdO;
+ true -> []
+ end,
+ case prim_inet:open(Protocol, Family, Type, OpenOpts) of
{ok,S} ->
case prim_inet:setopts(S, Opts) of
ok ->
@@ -1097,7 +1196,8 @@ open(Fd, Addr, Port, Opts, Protocol, Family, Type, Module) when Fd < 0 ->
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).
bindx(S, [Addr], Port0) ->
diff --git a/lib/kernel/src/inet_int.hrl b/lib/kernel/src/inet_int.hrl
index 67a99913a1..18a4a61b2f 100644
--- a/lib/kernel/src/inet_int.hrl
+++ b/lib/kernel/src/inet_int.hrl
@@ -143,6 +143,7 @@
-define(INET_LOPT_TCP_SEND_TIMEOUT_CLOSE, 35).
-define(INET_LOPT_MSGQ_HIWTRMRK, 36).
-define(INET_LOPT_MSGQ_LOWTRMRK, 37).
+-define(INET_LOPT_NETNS, 38).
% Specific SCTP options: separate range:
-define(SCTP_OPT_RTOINFO, 100).
-define(SCTP_OPT_ASSOCINFO, 101).
diff --git a/lib/kernel/src/inet_parse.erl b/lib/kernel/src/inet_parse.erl
index 619c78a6ca..98bd8d386c 100644
--- a/lib/kernel/src/inet_parse.erl
+++ b/lib/kernel/src/inet_parse.erl
@@ -722,7 +722,9 @@ ntoa({0,0,0,0,0,16#ffff,A,B}) ->
"::FFFF:" ++ dig_to_dec(A) ++ "." ++ dig_to_dec(B);
ntoa({_,_,_,_,_,_,_,_}=T) ->
%% Find longest sequence of zeros, at least 2, to replace with "::"
- ntoa(tuple_to_list(T), []).
+ ntoa(tuple_to_list(T), []);
+ntoa(_) ->
+ {error, einval}.
%% Find first double zero
ntoa([], R) ->
diff --git a/lib/kernel/src/rpc.erl b/lib/kernel/src/rpc.erl
index ced6f47bfe..0e7e7d2031 100644
--- a/lib/kernel/src/rpc.erl
+++ b/lib/kernel/src/rpc.erl
@@ -407,7 +407,7 @@ cast(Node, Mod, Fun, Args) ->
true.
-%% Asynchronous broadcast, returns nothing, it's just send'n prey
+%% Asynchronous broadcast, returns nothing, it's just send 'n' pray
-spec abcast(Name, Msg) -> abcast when
Name :: atom(),
Msg :: term().
diff --git a/lib/kernel/src/user_drv.erl b/lib/kernel/src/user_drv.erl
index bb654495d3..7b4ffb09ca 100644
--- a/lib/kernel/src/user_drv.erl
+++ b/lib/kernel/src/user_drv.erl
@@ -418,7 +418,7 @@ list_commands(Iport, Oport) ->
true ->
[];
false ->
- [{put_chars,unicode," q - quit erlang\n"}]
+ [{put_chars, unicode," q - quit erlang\n"}]
end,
io_requests([{put_chars, unicode," c [nn] - connect to job\n"},
{put_chars, unicode," i [nn] - interrupt job\n"},