diff options
Diffstat (limited to 'lib/kernel/src/net_kernel.erl')
| -rw-r--r-- | lib/kernel/src/net_kernel.erl | 76 |
1 files changed, 42 insertions, 34 deletions
diff --git a/lib/kernel/src/net_kernel.erl b/lib/kernel/src/net_kernel.erl index c4e1a0ce1e..ef92f9f4d1 100644 --- a/lib/kernel/src/net_kernel.erl +++ b/lib/kernel/src/net_kernel.erl @@ -279,24 +279,18 @@ passive_connect_monitor(From, Node) -> ok = monitor_nodes(true,[{node_type,all}]), 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]). + erlang:send(Pid, {Tag, Reply}). %% If the net_kernel isn't running we ignore all requests to the @@ -358,20 +352,34 @@ init({Name, LongOrShortNames, TickT, CleanHalt}) -> {stop, Error} end. - -do_auto_connect(Type, Node, ConnId, WaitForBarred, From, State) -> - ConnLookup = ets:lookup(sys_dist, Node), - - case ConnLookup of +do_auto_connect_1(Node, ConnId, From, State) -> + case ets:lookup(sys_dist, Node) of [#barred_connection{}] -> - case WaitForBarred of - false -> - {reply, false, State}; - true -> + case ConnId of + passive_cnct -> spawn(?MODULE,passive_connect_monitor,[From,Node]), - {noreply, State} + {noreply, State}; + _ -> + erts_internal:abort_connection(Node, ConnId), + {reply, false, State} end; + ConnLookup -> + do_auto_connect_2(Node, ConnId, From, State, ConnLookup) + end. + +do_auto_connect_2(Node, passive_cnct, From, State, ConnLookup) -> + case (catch erts_internal:new_connection(Node)) of + {Nr,_DHandle}=ConnId when is_integer(Nr) -> + do_auto_connect_2(Node, ConnId, From, State, ConnLookup); + + _Error -> + error_logger:error_msg("~n** Cannot get connection id for node ~w~n", + [Node]), + {reply, false, State} + end; +do_auto_connect_2(Node, ConnId, From, State, ConnLookup) -> + case ConnLookup of [#connection{conn_id=ConnId, state = up}] -> {reply, true, State}; [#connection{conn_id=ConnId, waiting=Waiting}=Conn] -> @@ -385,6 +393,7 @@ do_auto_connect(Type, Node, ConnId, WaitForBarred, From, State) -> case application:get_env(kernel, dist_auto_connect) of {ok, never} -> ?connect_failure(Node,{dist_auto_connect,never}), + erts_internal:abort_connection(Node, ConnId), {reply, false, State}; %% This might happen due to connection close @@ -394,14 +403,16 @@ do_auto_connect(Type, Node, ConnId, WaitForBarred, From, State) -> (hd(ConnLookup))#connection.state =:= up -> ?connect_failure(Node,{barred_connection, ets:lookup(sys_dist, Node)}), + erts_internal:abort_connection(Node, ConnId), {reply, false, State}; _ -> - case setup(ConnLookup, Node,ConnId,Type,From,State) of + case setup(ConnLookup, Node,ConnId,normal,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}), + erts_internal:abort_connection(Node, ConnId), {reply, false, State} end end @@ -454,32 +465,30 @@ 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, - + R = do_auto_connect_1(Node, passive_cnct, From, State), 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() -> +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), 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); + R1 = do_explicit_connect(ConnLookup, Type, Node, ConnId, From, State), + case R1 of + {reply, true, _S} -> %% already connected + ok; + {noreply, _S} -> %% connection pending + ok; + {reply, false, _S} -> %% connection refused + erts_internal:abort_connection(Node, ConnId) + end, + R1; _Error -> error_logger:error_msg("~n** Cannot get connection id for node ~w~n", @@ -703,7 +712,7 @@ 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 + case do_auto_connect_1(Node, ConnId, noreply, State) of {noreply, S} -> %% Pending connection S; @@ -711,7 +720,6 @@ handle_info({auto_connect,Node, Nr, DHandle}, State) -> S; {reply, false, S} -> %% Connection refused - erts_internal:abort_connection(Node, ConnId), S end, {noreply, NewState}; |