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-rw-r--r--lib/erl_interface/test/ei_accept_SUITE.erl59
-rw-r--r--lib/erl_interface/test/ei_accept_SUITE_data/ei_accept_test.c28
-rw-r--r--lib/jinterface/test/nc_SUITE.erl15
-rw-r--r--lib/kernel/src/dist_util.erl3
-rw-r--r--lib/kernel/src/net_kernel.erl344
-rw-r--r--lib/kernel/test/erl_distribution_wb_SUITE.erl6
-rw-r--r--lib/tools/emacs/erlang.el6
7 files changed, 301 insertions, 160 deletions
diff --git a/lib/erl_interface/test/ei_accept_SUITE.erl b/lib/erl_interface/test/ei_accept_SUITE.erl
index e06ee762d7..16eb0901ef 100644
--- a/lib/erl_interface/test/ei_accept_SUITE.erl
+++ b/lib/erl_interface/test/ei_accept_SUITE.erl
@@ -44,33 +44,31 @@ ei_accept(Config) when is_list(Config) ->
io:format("Myname ~p ~n", [Myname]),
EINode = list_to_atom("c42@"++Myname),
io:format("EINode ~p ~n", [EINode]),
+
+ %% We take this opportunity to also test export-funs and bit-strings
+ %% with (ugly) tuple fallbacks.
+ %% Test both toward pending connection and established connection.
+ RealTerms = [<<1:1>>, fun lists:map/2],
+ Fallbacks = [{<<128>>,1}, {lists,map}],
+
Self = self(),
- TermToSend= {call, Self, "Test"},
- F= fun() ->
- case waitfornode("c42",20) of
- true ->
- {any, EINode} ! TermToSend,
- Self ! sent_ok;
- false ->
- Self ! never_published
- end,
- ok
- end,
-
- spawn(F),
+ Funny = fun() -> hello end,
+ TermToSend = {call, Self, "Test", Funny, RealTerms},
+ TermToGet = {call, Self, "Test", Funny, Fallbacks},
Port = 6543,
- {ok, Fd, _Node} = ei_accept(P, Port),
- TermReceived= ei_receive(P, Fd),
- io:format("Sent ~p received ~p ~n", [TermToSend, TermReceived]),
- TermToSend= TermReceived,
- receive
- sent_ok ->
- ok;
- Unknown ->
- io:format("~p ~n", [Unknown])
- after 1000 ->
- io:format("timeout ~n")
- end,
+ {ok, ListenFd} = ei_publish(P, Port),
+ {any, EINode} ! TermToSend,
+ {ok, Fd, _Node} = ei_accept(P, ListenFd),
+ Got1 = ei_receive(P, Fd),
+
+ %% Send again, now without auto-connect
+ {any, EINode} ! TermToSend,
+ Got2 = ei_receive(P, Fd),
+
+ io:format("Sent ~p~nExp. ~p~nGot1 ~p~nGot2 ~p~n", [TermToSend, TermToGet, Got1, Got2]),
+ TermToGet = Got1,
+ TermToGet = Got2,
+
runner:finish(P),
ok.
@@ -137,8 +135,15 @@ ei_connect_init(P, Num, Cookie, Creation) ->
{term,Int} when is_integer(Int) -> Int
end.
-ei_accept(P, PortNo) ->
- send_command(P, ei_accept, [PortNo]),
+ei_publish(P, PortNo) ->
+ send_command(P, ei_publish, [PortNo]),
+ case get_term(P) of
+ {term,{ListenFd, EpmdFd, _}} when ListenFd >= 0, EpmdFd >= 0 -> {ok, ListenFd};
+ {term,{_, _, Errno}} -> {error,Errno}
+ end.
+
+ei_accept(P, ListenFd) ->
+ send_command(P, ei_accept, [ListenFd]),
case get_term(P) of
{term,{Fd, _, Node}} when Fd >= 0 -> {ok, Fd, Node};
{term,{_Fd, Errno, _Node}} -> {error,Errno}
diff --git a/lib/erl_interface/test/ei_accept_SUITE_data/ei_accept_test.c b/lib/erl_interface/test/ei_accept_SUITE_data/ei_accept_test.c
index 7b81ee5491..2355192cc2 100644
--- a/lib/erl_interface/test/ei_accept_SUITE_data/ei_accept_test.c
+++ b/lib/erl_interface/test/ei_accept_SUITE_data/ei_accept_test.c
@@ -43,6 +43,7 @@
#include "ei_runner.h"
static void cmd_ei_connect_init(char* buf, int len);
+static void cmd_ei_publish(char* buf, int len);
static void cmd_ei_accept(char* buf, int len);
static void cmd_ei_receive(char* buf, int len);
static void cmd_ei_unpublish(char* buf, int len);
@@ -58,6 +59,7 @@ static struct {
void (*func)(char* buf, int len);
} commands[] = {
"ei_connect_init", 3, cmd_ei_connect_init,
+ "ei_publish", 1, cmd_ei_publish,
"ei_accept", 1, cmd_ei_accept,
"ei_receive", 1, cmd_ei_receive,
"ei_unpublish", 0, cmd_ei_unpublish
@@ -149,11 +151,10 @@ static int my_listen(int port)
return listen_fd;
}
-static void cmd_ei_accept(char* buf, int len)
+static void cmd_ei_publish(char* buf, int len)
{
int index = 0;
int listen, r;
- ErlConnect conn;
long port;
ei_x_buff x;
int i;
@@ -170,6 +171,29 @@ static void cmd_ei_accept(char* buf, int len)
#ifdef VXWORKS
save_fd(i);
#endif
+ /* send listen-fd, result and errno */
+ ei_x_new_with_version(&x);
+ ei_x_encode_tuple_header(&x, 3);
+ ei_x_encode_long(&x, listen);
+ ei_x_encode_long(&x, i);
+ ei_x_encode_long(&x, erl_errno);
+ send_bin_term(&x);
+ ei_x_free(&x);
+}
+
+static void cmd_ei_accept(char* buf, int len)
+{
+ int index = 0;
+ int r;
+ ErlConnect conn;
+ long listen;
+ ei_x_buff x;
+ int i;
+
+ /* get port */
+ if (ei_decode_long(buf, &index, &listen) < 0)
+ fail("expected int (listen fd)");
+
r = ei_accept(&ec, listen, &conn);
#ifdef VXWORKS
save_fd(r);
diff --git a/lib/jinterface/test/nc_SUITE.erl b/lib/jinterface/test/nc_SUITE.erl
index 81944f71d4..daa17195ee 100644
--- a/lib/jinterface/test/nc_SUITE.erl
+++ b/lib/jinterface/test/nc_SUITE.erl
@@ -651,11 +651,10 @@ do_echo(DataList, Config, OutTrans, InTrans, ExtraArgs)
echo_loop([D|Ds], Echoer, OutTrans, InTrans, TermAcc) ->
OutMsg = OutTrans(D),
Echoer ! OutMsg,
- io:format("echo_server ~p: ~p ! ~P~n", [self(),Echoer,OutMsg,10]),
+ %%io:format("echo_server ~p: ~p ! ~P~n", [self(),Echoer,OutMsg,10]),
receive
Reply ->
- io:format("echo_server ~p: receive ~P~n",
- [self(),Reply,10]),
+ %%io:format("echo_server ~p: receive ~P~n", [self(),Reply,10]),
InTrans(Echoer, D, Reply)
end,
Term = case OutMsg of
@@ -670,11 +669,10 @@ echo_loop(Cont, Echoer, OutTrans, InTrans, TermAcc)
when is_function(Cont, 0) ->
check_terms(Echoer, TermAcc),
OutMsg = Echoer ! {self(),undefined,hash_clear},
- io:format("echo_server ~p: ~p ! ~P~n", [self(),Echoer,OutMsg,10]),
+ %%io:format("echo_server ~p: ~p ! ~P~n", [self(),Echoer,OutMsg,10]),
receive
{Echoer,hash_cleared,hash_clear}=Reply ->
- io:format("echo_server ~p: receive ~P~n",
- [self(),Reply,10]),
+ %%io:format("echo_server ~p: receive ~P~n", [self(),Reply,10]),
ok;
Other ->
io:format("echo_server_terms unexpected ~p: receive ~P~n",
@@ -686,11 +684,10 @@ echo_loop(Cont, Echoer, OutTrans, InTrans, TermAcc)
check_terms(Echoer, [Term | Rest]) ->
OutMsg = {self(),Term,hash_lookup},
Echoer ! OutMsg,
- io:format("check_terms ~p: ~p ! ~P~n", [self(),Echoer,OutMsg,10]),
+ %%io:format("check_terms ~p: ~p ! ~P~n", [self(),Echoer,OutMsg,10]),
receive
{Echoer,true,hash_lookup} = ReplyMsg ->
- io:format("check_terms ~p: receive ~P~n",
- [self(),ReplyMsg,10]),
+ %%io:format("check_terms ~p: receive ~P~n", [self(),ReplyMsg,10]),
check_terms(Echoer, Rest);
Other ->
io:format("check_terms unexpected ~p: receive ~P~n",
diff --git a/lib/kernel/src/dist_util.erl b/lib/kernel/src/dist_util.erl
index 08bd5946cd..fb9f7fd7eb 100644
--- a/lib/kernel/src/dist_util.erl
+++ b/lib/kernel/src/dist_util.erl
@@ -250,7 +250,8 @@ check_dflags(#hs_data{other_node = Node,
require_flags = RequiredFlags} = HSData) ->
Mandatory = ((?DFLAG_EXTENDED_REFERENCES
bor ?DFLAG_EXTENDED_PIDS_PORTS
- bor ?DFLAG_UTF8_ATOMS)
+ bor ?DFLAG_UTF8_ATOMS
+ bor ?DFLAG_NEW_FUN_TAGS)
bor RequiredFlags),
Missing = check_mandatory(0, ?DFLAGS_ALL, Mandatory,
OtherFlags, []),
diff --git a/lib/kernel/src/net_kernel.erl b/lib/kernel/src/net_kernel.erl
index f36b4f1e6a..cdb10a7b12 100644
--- a/lib/kernel/src/net_kernel.erl
+++ b/lib/kernel/src/net_kernel.erl
@@ -70,8 +70,8 @@
protocol_childspecs/0,
epmd_module/0]).
--export([connect/1, disconnect/1, hidden_connect/1, passive_cnct/1]).
--export([hidden_connect_node/1]). %% explicit connect
+-export([disconnect/1, passive_cnct/1]).
+-export([hidden_connect_node/1]).
-export([set_net_ticktime/1, set_net_ticktime/2, get_net_ticktime/0]).
-export([node_info/1, node_info/2, nodes_info/0,
@@ -122,6 +122,7 @@
-record(connection, {
node, %% remote node name
+ conn_id, %% Connection identity
state, %% pending | up | up_pending
owner, %% owner pid
pending_owner, %% possible new owner
@@ -247,14 +248,15 @@ ticktime_res(A) when is_atom(A) -> A.
%% Called though BIF's
-connect(Node) -> do_connect(Node, normal, false).
%%% Long timeout if blocked (== barred), only affects nodes with
%%% {dist_auto_connect, once} set.
-passive_cnct(Node) -> do_connect(Node, normal, true).
-disconnect(Node) -> request({disconnect, Node}).
+passive_cnct(Node) ->
+ case request({passive_cnct, Node}) of
+ ignored -> false;
+ Other -> Other
+ end.
-%% connect but not seen
-hidden_connect(Node) -> do_connect(Node, hidden, false).
+disconnect(Node) -> request({disconnect, Node}).
%% Should this node publish itself on Node?
publish_on_node(Node) when is_atom(Node) ->
@@ -272,67 +274,30 @@ connect_node(Node) when is_atom(Node) ->
hidden_connect_node(Node) when is_atom(Node) ->
request({connect, hidden, Node}).
-do_connect(Node, Type, WaitForBarred) -> %% Type = normal | hidden
- case catch ets:lookup(sys_dist, Node) of
- {'EXIT', _} ->
- ?connect_failure(Node,{table_missing, sys_dist}),
- false;
- [#barred_connection{}] ->
- case WaitForBarred of
- false ->
- false;
- true ->
- Pid = spawn(?MODULE,passive_connect_monitor,[self(),Node]),
- receive
- {Pid, true} ->
- %%io:format("Net Kernel: barred connection (~p) "
- %% "connected from other end.~n",[Node]),
- true;
- {Pid, false} ->
- ?connect_failure(Node,{barred_connection,
- ets:lookup(sys_dist, Node)}),
- %%io:format("Net Kernel: barred connection (~p) "
- %% "- failure.~n",[Node]),
- false
- end
- end;
- Else ->
- case application:get_env(kernel, dist_auto_connect) of
- {ok, never} ->
- ?connect_failure(Node,{dist_auto_connect,never}),
- false;
- % This might happen due to connection close
- % not beeing propagated to user space yet.
- % Save the day by just not connecting...
- {ok, once} when Else =/= [],
- (hd(Else))#connection.state =:= up ->
- ?connect_failure(Node,{barred_connection,
- ets:lookup(sys_dist, Node)}),
- false;
- _ ->
- request({connect, Type, Node})
- end
- end.
-passive_connect_monitor(Parent, Node) ->
+passive_connect_monitor(From, Node) ->
ok = monitor_nodes(true,[{node_type,all}]),
- case lists:member(Node,nodes([connected])) of
- true ->
- ok = monitor_nodes(false,[{node_type,all}]),
- Parent ! {self(),true};
- _ ->
- Ref = make_ref(),
- Tref = erlang:send_after(connecttime(),self(),Ref),
- receive
- Ref ->
- ok = monitor_nodes(false,[{node_type,all}]),
- Parent ! {self(), false};
- {nodeup,Node,_} ->
- ok = monitor_nodes(false,[{node_type,all}]),
- _ = erlang:cancel_timer(Tref),
- Parent ! {self(),true}
- end
- end.
+ Reply = case lists:member(Node,nodes([connected])) of
+ true ->
+ io:format("~p: passive_connect_monitor ~p\n", [self(), ?LINE]),
+ true;
+ _ ->
+ receive
+ {nodeup,Node,_} ->
+ io:format("~p: passive_connect_monitor ~p\n", [self(), ?LINE]),
+ true
+ after connecttime() ->
+ io:format("~p: passive_connect_monitor ~p\n", [self(), ?LINE]),
+ false
+ end
+ end,
+ ok = monitor_nodes(false,[{node_type,all}]),
+ io:format("~p: passive_connect_monitor ~p\n", [self(), ?LINE]),
+ {Pid, Tag} = From,
+ io:format("~p: passive_connect_monitor ~p\n", [self(), ?LINE]),
+ erlang:send(Pid, {Tag, Reply}),
+ io:format("~p: passive_connect_monitor ~p\n", [self(), ?LINE]).
+
%% If the net_kernel isn't running we ignore all requests to the
%% kernel, thus basically accepting them :-)
@@ -394,40 +359,135 @@ init({Name, LongOrShortNames, TickT, CleanHalt}) ->
end.
+do_auto_connect(Type, Node, ConnId, WaitForBarred, From, State) ->
+ ConnLookup = ets:lookup(sys_dist, Node),
+
+ case ConnLookup of
+ [#barred_connection{}] ->
+ case WaitForBarred of
+ false ->
+ {reply, false, State};
+ true ->
+ spawn(?MODULE,passive_connect_monitor,[From,Node]),
+ {noreply, State}
+ end;
+
+ [#connection{conn_id=ConnId, state = up}] ->
+ {reply, true, State};
+ [#connection{conn_id=ConnId, waiting=Waiting}=Conn] ->
+ case From of
+ noreply -> ok;
+ _ -> ets:insert(sys_dist, Conn#connection{waiting = [From|Waiting]})
+ end,
+ {noreply, State};
+
+ _ ->
+ case application:get_env(kernel, dist_auto_connect) of
+ {ok, never} ->
+ ?connect_failure(Node,{dist_auto_connect,never}),
+ {reply, false, State};
+
+ %% This might happen due to connection close
+ %% not beeing propagated to user space yet.
+ %% Save the day by just not connecting...
+ {ok, once} when ConnLookup =/= [],
+ (hd(ConnLookup))#connection.state =:= up ->
+ ?connect_failure(Node,{barred_connection,
+ ets:lookup(sys_dist, Node)}),
+ {reply, false, State};
+ _ ->
+ case setup(ConnLookup, Node,ConnId,Type,From,State) of
+ {ok, SetupPid} ->
+ Owners = [{SetupPid, Node} | State#state.conn_owners],
+ {noreply,State#state{conn_owners=Owners}};
+ _Error ->
+ ?connect_failure(Node, {setup_call, failed, _Error}),
+ {reply, false, State}
+ end
+ end
+ end.
+
+
+do_explicit_connect([#connection{conn_id = ConnId, state = up}], _, _, ConnId, _From, State) ->
+ {reply, true, State};
+do_explicit_connect([#connection{conn_id = ConnId}=Conn], _, _, ConnId, From, State)
+ when Conn#connection.state =:= pending;
+ Conn#connection.state =:= up_pending ->
+ Waiting = Conn#connection.waiting,
+ ets:insert(sys_dist, Conn#connection{waiting = [From|Waiting]}),
+ {noreply, State};
+do_explicit_connect([#barred_connection{}], Type, Node, ConnId, From , State) ->
+ %% Barred connection only affects auto_connect, ignore it.
+ do_explicit_connect([], Type, Node, ConnId, From , State);
+do_explicit_connect(ConnLookup, Type, Node, ConnId, From , State) ->
+ case setup(ConnLookup, Node,ConnId,Type,From,State) of
+ {ok, SetupPid} ->
+ Owners = [{SetupPid, Node} | State#state.conn_owners],
+ {noreply,State#state{conn_owners=Owners}};
+ _Error ->
+ ?connect_failure(Node, {setup_call, failed, _Error}),
+ {reply, false, State}
+ end.
+
+-define(ERTS_DIST_CON_ID_MASK, 16#ffffff). % also in external.h
+
+verify_new_conn_id([], {Nr,_DHandle})
+ when (Nr band (bnot ?ERTS_DIST_CON_ID_MASK)) =:= 0 ->
+ true;
+verify_new_conn_id([#connection{conn_id = {Old,_}}], {New,_})
+ when New =:= ((Old+1) band ?ERTS_DIST_CON_ID_MASK) ->
+ true;
+verify_new_conn_id(_, _) ->
+ false.
+
+
+
%% ------------------------------------------------------------
%% handle_call.
%% ------------------------------------------------------------
%%
-%% Set up a connection to Node.
-%% The response is delayed until the connection is up and
-%% running.
+%% Passive auto-connect to Node.
+%% The response is delayed until the connection is up and running.
%%
-handle_call({connect, _, Node}, From, State) when Node =:= node() ->
+handle_call({passive_cnct, Node}, From, State) when Node =:= node() ->
+ async_reply({reply, true, State}, From);
+handle_call({passive_cnct, Node}, From, State) ->
+ verbose({passive_cnct, Node}, 1, State),
+ Type = normal,
+ WaitForBarred = true,
+ R = case (catch erts_internal:new_connection(Node)) of
+ {Nr,_DHandle}=ConnId when is_integer(Nr) ->
+ do_auto_connect(Type, Node, ConnId, WaitForBarred, From, State);
+
+ _Error ->
+ error_logger:error_msg("~n** Cannot get connection id for node ~w~n",
+ [Node]),
+ {reply, false, State}
+ end,
+
+ return_call(R, From);
+
+%%
+%% Explicit connect
+%% The response is delayed until the connection is up and running.
+%%
+handle_call({connect, _, Node, _, _}, From, State) when Node =:= node() ->
async_reply({reply, true, State}, From);
handle_call({connect, Type, Node}, From, State) ->
verbose({connect, Type, Node}, 1, State),
- case ets:lookup(sys_dist, Node) of
- [Conn] when Conn#connection.state =:= up ->
- async_reply({reply, true, State}, From);
- [Conn] when Conn#connection.state =:= pending ->
- Waiting = Conn#connection.waiting,
- ets:insert(sys_dist, Conn#connection{waiting = [From|Waiting]}),
- {noreply, State};
- [Conn] when Conn#connection.state =:= up_pending ->
- Waiting = Conn#connection.waiting,
- ets:insert(sys_dist, Conn#connection{waiting = [From|Waiting]}),
- {noreply, State};
- _ ->
- case setup(Node,Type,From,State) of
- {ok, SetupPid} ->
- Owners = [{SetupPid, Node} | State#state.conn_owners],
- {noreply,State#state{conn_owners=Owners}};
- _Error ->
- ?connect_failure(Node, {setup_call, failed, _Error}),
- async_reply({reply, false, State}, From)
- end
- end;
+ ConnLookup = ets:lookup(sys_dist, Node),
+ R = case (catch erts_internal:new_connection(Node)) of
+ {Nr,_DHandle}=ConnId when is_integer(Nr) ->
+ do_explicit_connect(ConnLookup, Type, Node, ConnId, From, State);
+
+ _Error ->
+ error_logger:error_msg("~n** Cannot get connection id for node ~w~n",
+ [Node]),
+ {reply, false, State}
+ end,
+ return_call(R, From);
+
%%
%% Close the connection to Node.
@@ -634,6 +694,26 @@ terminate(_Reason, State) ->
%% ------------------------------------------------------------
%%
+%% Asynchronous auto connect request
+%%
+handle_info({auto_connect,Node, Nr, DHandle}, State) ->
+ verbose({auto_connect, Node, Nr, DHandle}, 1, State),
+ ConnId = {Nr, DHandle},
+ NewState =
+ case do_auto_connect(normal, Node, ConnId, false, noreply, State) of
+ {noreply, S} -> %% Pending connection
+ S;
+
+ {reply, true, S} -> %% Already connected
+ S;
+
+ {reply, false, S} -> %% Connection refused
+ erts_internal:abort_connection(Node, ConnId),
+ S
+ end,
+ {noreply, NewState};
+
+%%
%% accept a new connection.
%%
handle_info({accept,AcceptPid,Socket,Family,Proto}, State) ->
@@ -713,14 +793,23 @@ handle_info({AcceptPid, {accept_pending,MyNode,Node,Address,Type}}, State) ->
AcceptPid ! {self(), {accept_pending, already_pending}},
{noreply, State};
_ ->
- ets:insert(sys_dist, #connection{node = Node,
- state = pending,
- owner = AcceptPid,
- address = Address,
- type = Type}),
- AcceptPid ! {self(),{accept_pending,ok}},
- Owners = [{AcceptPid,Node} | State#state.conn_owners],
- {noreply, State#state{conn_owners = Owners}}
+ case (catch erts_internal:new_connection(Node)) of
+ {Nr,_DHandle}=ConnId when is_integer(Nr) ->
+ ets:insert(sys_dist, #connection{node = Node,
+ conn_id = ConnId,
+ state = pending,
+ owner = AcceptPid,
+ address = Address,
+ type = Type}),
+ AcceptPid ! {self(),{accept_pending,ok}},
+ Owners = [{AcceptPid,Node} | State#state.conn_owners],
+ {noreply, State#state{conn_owners = Owners}};
+
+ _ ->
+ error_logger:error_msg("~n** Cannot get connection id for node ~w~n",
+ [Node]),
+ AcceptPid ! {self(),{accept_pending,nok_pending}}
+ end
end;
handle_info({SetupPid, {is_pending, Node}}, State) ->
@@ -906,6 +995,7 @@ pending_nodedown(Conn, Node, Type, State) ->
% Don't bar connections that have never been alive
%mark_sys_dist_nodedown(Node),
% - instead just delete the node:
+ erts_internal:abort_connection(Node, Conn#connection.conn_id),
ets:delete(sys_dist, Node),
reply_waiting(Node,Conn#connection.waiting, false),
case Type of
@@ -920,7 +1010,9 @@ up_pending_nodedown(Conn, Node, _Reason, _Type, State) ->
AcceptPid = Conn#connection.pending_owner,
Owners = State#state.conn_owners,
Pend = lists:keydelete(AcceptPid, 1, State#state.pend_owners),
+ erts_internal:abort_connection(Node, Conn#connection.conn_id),
Conn1 = Conn#connection { owner = AcceptPid,
+ conn_id = erts_internal:new_connection(Node),
pending_owner = undefined,
state = pending },
ets:insert(sys_dist, Conn1),
@@ -928,15 +1020,16 @@ up_pending_nodedown(Conn, Node, _Reason, _Type, State) ->
State#state{conn_owners = [{AcceptPid,Node}|Owners], pend_owners = Pend}.
-up_nodedown(_Conn, Node, _Reason, Type, State) ->
- mark_sys_dist_nodedown(Node),
+up_nodedown(Conn, Node, _Reason, Type, State) ->
+ mark_sys_dist_nodedown(Conn, Node),
case Type of
normal -> ?nodedown(Node, State);
_ -> ok
end,
State.
-mark_sys_dist_nodedown(Node) ->
+mark_sys_dist_nodedown(Conn, Node) ->
+ erts_internal:abort_connection(Node, Conn#connection.conn_id),
case application:get_env(kernel, dist_auto_connect) of
{ok, once} ->
ets:insert(sys_dist, #barred_connection{node = Node});
@@ -1179,15 +1272,8 @@ spawn_func(_,{From,Tag},M,F,A,Gleader) ->
%% Set up connection to a new node.
%% -----------------------------------------------------------
-setup(Node,Type,From,State) ->
- Allowed = State#state.allowed,
- case lists:member(Node, Allowed) of
- false when Allowed =/= [] ->
- error_msg("** Connection attempt with "
- "disallowed node ~w ** ~n", [Node]),
- {error, bad_node};
- _ ->
- case select_mod(Node, State#state.listen) of
+setup(ConnLookup, Node,ConnId,Type,From,State) ->
+ case setup_check(ConnLookup, Node, ConnId, State) of
{ok, L} ->
Mod = L#listen.module,
LAddr = L#listen.address,
@@ -1200,18 +1286,45 @@ setup(Node,Type,From,State) ->
Addr = LAddr#net_address {
address = undefined,
host = undefined },
+ Waiting = case From of
+ noreply -> [];
+ _ -> [From]
+ end,
ets:insert(sys_dist, #connection{node = Node,
+ conn_id = ConnId,
state = pending,
owner = Pid,
- waiting = [From],
+ waiting = Waiting,
address = Addr,
type = normal}),
{ok, Pid};
Error ->
Error
- end
end.
+setup_check(ConnLookup, Node, ConnId, State) ->
+ Allowed = State#state.allowed,
+ case lists:member(Node, Allowed) of
+ false when Allowed =/= [] ->
+ error_msg("** Connection attempt with "
+ "disallowed node ~w ** ~n", [Node]),
+ {error, bad_node};
+ _ ->
+ case verify_new_conn_id(ConnLookup, ConnId) of
+ false ->
+ error_msg("** Connection attempt to ~w with "
+ "bad connection id ~w ** ~n", [Node, ConnId]),
+ {error, bad_conn_id};
+ true ->
+ case select_mod(Node, State#state.listen) of
+ {ok, _L}=OK -> OK;
+ Error -> Error
+ end
+ end
+ end.
+
+
+
%%
%% Find a module that is willing to handle connection setup to Node
%%
@@ -1652,6 +1765,11 @@ verbose(_, _, _) ->
getnode(P) when is_pid(P) -> node(P);
getnode(P) -> P.
+return_call({noreply, _State}=R, _From) ->
+ R;
+return_call(R, From) ->
+ async_reply(R, From).
+
async_reply({reply, Msg, State}, From) ->
async_gen_server_reply(From, Msg),
{noreply, State}.
diff --git a/lib/kernel/test/erl_distribution_wb_SUITE.erl b/lib/kernel/test/erl_distribution_wb_SUITE.erl
index 258ed4f88c..1145d30e5e 100644
--- a/lib/kernel/test/erl_distribution_wb_SUITE.erl
+++ b/lib/kernel/test/erl_distribution_wb_SUITE.erl
@@ -61,9 +61,11 @@
%% From R9 and forward extended references is compulsory
%% From R10 and forward extended pids and ports are compulsory
%% From R20 and forward UTF8 atoms are compulsory
+%% From R21 and forward NEW_FUN_TAGS is compulsory (no more tuple fallback {fun, ...})
-define(COMPULSORY_DFLAGS, (?DFLAG_EXTENDED_REFERENCES bor
?DFLAG_EXTENDED_PIDS_PORTS bor
- ?DFLAG_UTF8_ATOMS)).
+ ?DFLAG_UTF8_ATOMS bor
+ ?DFLAG_NEW_FUN_TAGS)).
-define(PASS_THROUGH, $p).
@@ -682,7 +684,7 @@ recv_message(Socket) ->
<<_:Siz/binary,B2/binary>> = B1,
Message = case (catch binary_to_term(B2)) of
{'EXIT', _} ->
- could_not_digest_message;
+ {could_not_digest_message,B2};
Other ->
Other
end,
diff --git a/lib/tools/emacs/erlang.el b/lib/tools/emacs/erlang.el
index 429188b028..d9efadf64a 100644
--- a/lib/tools/emacs/erlang.el
+++ b/lib/tools/emacs/erlang.el
@@ -895,8 +895,6 @@ resulting regexp is surrounded by \\_< and \\_>."
"decode_packet"
"delay_trap"
"delete_element"
- "dexit"
- "dgroup_leader"
"display"
"display_nl"
"display_string"
@@ -905,11 +903,8 @@ resulting regexp is surrounded by \\_< and \\_>."
"dist_ctrl_get_data_notification"
"dist_ctrl_input_handler"
"dist_ctrl_put_data"
- "dist_exit"
- "dlink"
"dmonitor_node"
"dmonitor_p"
- "dsend"
"dt_append_vm_tag_data"
"dt_get_tag"
"dt_get_tag_data"
@@ -917,7 +912,6 @@ resulting regexp is surrounded by \\_< and \\_>."
"dt_put_tag"
"dt_restore_tag"
"dt_spread_tag"
- "dunlink"
"convert_time_unit"
"external_size"
"finish_after_on_load"
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-03 06:56:08 +0000