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-rw-r--r--erts/emulator/test/distribution_SUITE.erl237
1 files changed, 159 insertions, 78 deletions
diff --git a/erts/emulator/test/distribution_SUITE.erl b/erts/emulator/test/distribution_SUITE.erl
index 17cd1d1a3b..f1831b7c45 100644
--- a/erts/emulator/test/distribution_SUITE.erl
+++ b/erts/emulator/test/distribution_SUITE.erl
@@ -35,13 +35,18 @@
-include_lib("common_test/include/ct.hrl").
+%-define(Line, erlang:display({line,?LINE}),).
+-define(Line,).
+
-export([all/0, suite/0, groups/0,
ping/1, bulk_send_small/1,
+ group_leader/1,
+ optimistic_dflags/1,
bulk_send_big/1, bulk_send_bigbig/1,
local_send_small/1, local_send_big/1,
local_send_legal/1, link_to_busy/1, exit_to_busy/1,
lost_exit/1, link_to_dead/1, link_to_dead_new_node/1,
- applied_monitor_node/1, ref_port_roundtrip/1, nil_roundtrip/1,
+ ref_port_roundtrip/1, nil_roundtrip/1,
trap_bif_1/1, trap_bif_2/1, trap_bif_3/1,
stop_dist/1,
dist_auto_connect_never/1, dist_auto_connect_once/1,
@@ -61,6 +66,8 @@
%% Internal exports.
-export([sender/3, receiver2/2, dummy_waiter/0, dead_process/0,
+ group_leader_1/1,
+ optimistic_dflags_echo/0, optimistic_dflags_sender/1,
roundtrip/1, bounce/1, do_dist_auto_connect/1, inet_rpc_server/1,
dist_parallel_sender/3, dist_parallel_receiver/0,
dist_evil_parallel_receiver/0]).
@@ -74,8 +81,10 @@ suite() ->
all() ->
[ping, {group, bulk_send}, {group, local_send},
+ group_leader,
+ optimistic_dflags,
link_to_busy, exit_to_busy, lost_exit, link_to_dead,
- link_to_dead_new_node, applied_monitor_node,
+ link_to_dead_new_node,
ref_port_roundtrip, nil_roundtrip, stop_dist,
{group, trap_bif}, {group, dist_auto_connect},
dist_parallel_send, atom_roundtrip, unicode_atom_roundtrip,
@@ -124,6 +133,96 @@ ping(Config) when is_list(Config) ->
ok.
+%% Test erlang:group_leader(_, ExternalPid), i.e. DOP_GROUP_LEADER
+group_leader(Config) when is_list(Config) ->
+ ?Line Sock = start_relay_node(group_leader_1, []),
+ ?Line Sock2 = start_relay_node(group_leader_2, []),
+ try
+ ?Line Node2 = inet_rpc_nodename(Sock2),
+ ?Line {ok, ok} = do_inet_rpc(Sock, ?MODULE, group_leader_1, [Node2])
+ after
+ ?Line stop_relay_node(Sock),
+ ?Line stop_relay_node(Sock2)
+ end,
+ ok.
+
+group_leader_1(Node2) ->
+ ?Line ExtPid = spawn(Node2, fun F() ->
+ receive {From, group_leader} ->
+ From ! {self(), group_leader, group_leader()}
+ end,
+ F()
+ end),
+ ?Line GL1 = self(),
+ ?Line group_leader(GL1, ExtPid),
+ ?Line ExtPid ! {self(), group_leader},
+ ?Line {ExtPid, group_leader, GL1} = receive_one(),
+
+ %% Kill connection and repeat test when group_leader/2 triggers auto-connect
+ ?Line net_kernel:monitor_nodes(true),
+ ?Line net_kernel:disconnect(Node2),
+ ?Line {nodedown, Node2} = receive_one(),
+ ?Line GL2 = spawn(fun() -> dummy end),
+ ?Line group_leader(GL2, ExtPid),
+ ?Line {nodeup, Node2} = receive_one(),
+ ?Line ExtPid ! {self(), group_leader},
+ ?Line {ExtPid, group_leader, GL2} = receive_one(),
+ ok.
+
+%% Test optimistic distribution flags toward pending connections (DFLAG_DIST_HOPEFULLY)
+optimistic_dflags(Config) when is_list(Config) ->
+ ?Line Sender = start_relay_node(optimistic_dflags_sender, []),
+ ?Line Echo = start_relay_node(optimistic_dflags_echo, []),
+ try
+ ?Line {ok, ok} = do_inet_rpc(Echo, ?MODULE, optimistic_dflags_echo, []),
+
+ ?Line EchoNode = inet_rpc_nodename(Echo),
+ ?Line {ok, ok} = do_inet_rpc(Sender, ?MODULE, optimistic_dflags_sender, [EchoNode])
+ after
+ ?Line stop_relay_node(Sender),
+ ?Line stop_relay_node(Echo)
+ end,
+ ok.
+
+optimistic_dflags_echo() ->
+ P = spawn(fun F() ->
+ receive {From, Term} ->
+ From ! {self(), Term}
+ end,
+ F()
+ end),
+ register(optimistic_dflags_echo, P),
+ optimistic_dflags_echo ! {self(), hello},
+ {P, hello} = receive_one(),
+ ok.
+
+optimistic_dflags_sender(EchoNode) ->
+ ?Line net_kernel:monitor_nodes(true),
+
+ optimistic_dflags_do(EchoNode, <<1:1>>),
+ optimistic_dflags_do(EchoNode, fun lists:map/2),
+ ok.
+
+optimistic_dflags_do(EchoNode, Term) ->
+ ?Line {optimistic_dflags_echo, EchoNode} ! {self(), Term},
+ ?Line {nodeup, EchoNode} = receive_one(),
+ ?Line {EchoPid, Term} = receive_one(),
+ %% repeat with pid destination
+ ?Line net_kernel:disconnect(EchoNode),
+ ?Line {nodedown, EchoNode} = receive_one(),
+ ?Line EchoPid ! {self(), Term},
+ ?Line {nodeup, EchoNode} = receive_one(),
+ ?Line {EchoPid, Term} = receive_one(),
+
+ ?Line net_kernel:disconnect(EchoNode),
+ ?Line {nodedown, EchoNode} = receive_one(),
+ ok.
+
+
+receive_one() ->
+ receive M -> M after 1000 -> timeout end.
+
+
bulk_send_small(Config) when is_list(Config) ->
bulk_send(64, 32).
@@ -639,26 +738,6 @@ link_to_dead_new_node(Config) when is_list(Config) ->
end,
ok.
-%% Test that monitor_node/2 works when applied.
-applied_monitor_node(Config) when is_list(Config) ->
- NonExisting = list_to_atom("__non_existing__@" ++ hostname()),
-
- %% Tail-recursive call to apply (since the node is non-existing,
- %% there will be a trap).
-
- true = tail_apply(erlang, monitor_node, [NonExisting, true]),
- [{nodedown, NonExisting}] = test_server:messages_get(),
-
- %% Ordinary call (with trap).
-
- true = apply(erlang, monitor_node, [NonExisting, true]),
- [{nodedown, NonExisting}] = test_server:messages_get(),
-
- ok.
-
-tail_apply(M, F, A) ->
- apply(M, F, A).
-
%% Test that sending a port or reference to another node and back again
%% doesn't correct them in any way.
ref_port_roundtrip(Config) when is_list(Config) ->
@@ -786,8 +865,8 @@ dist_auto_connect_once(Config) when is_list(Config) ->
{ok, pong} = do_inet_rpc(Sock2,net_adm,ping,[NN]),
{ok,[NN2]} = do_inet_rpc(Sock,erlang,nodes,[]),
{ok,[NN]} = do_inet_rpc(Sock2,erlang,nodes,[]),
- [_,HostPartPeer] = string:tokens(atom_to_list(NN),"@"),
- [_,MyHostPart] = string:tokens(atom_to_list(node()),"@"),
+ [_,HostPartPeer] = string:lexemes(atom_to_list(NN),"@"),
+ [_,MyHostPart] = string:lexemes(atom_to_list(node()),"@"),
% Give net_kernel a chance to change the state of the node to up to.
receive after 1000 -> ok end,
case HostPartPeer of
@@ -1158,8 +1237,6 @@ contended_atom_cache_entry_test(Config, Type) ->
spawn_link(
SNode,
fun () ->
- erts_debug:set_internal_state(available_internal_state,
- true),
Master = self(),
CIX = get_cix(),
TestAtoms = case Type of
@@ -1244,7 +1321,7 @@ get_cix(CIX) when is_integer(CIX), CIX < 0 ->
get_cix(CIX) when is_integer(CIX) ->
get_cix(CIX,
unwanted_cixs(),
- erts_debug:get_internal_state(max_atom_out_cache_index)).
+ get_internal_state(max_atom_out_cache_index)).
get_cix(CIX, Unwanted, MaxCIX) when CIX > MaxCIX ->
get_cix(0, Unwanted, MaxCIX);
@@ -1256,8 +1333,8 @@ get_cix(CIX, Unwanted, MaxCIX) ->
unwanted_cixs() ->
lists:map(fun (Node) ->
- erts_debug:get_internal_state({atom_out_cache_index,
- Node})
+ get_internal_state({atom_out_cache_index,
+ Node})
end,
nodes()).
@@ -1266,7 +1343,7 @@ get_conflicting_atoms(_CIX, 0) ->
[];
get_conflicting_atoms(CIX, N) ->
Atom = list_to_atom("atom" ++ integer_to_list(erlang:unique_integer([positive]))),
- case erts_debug:get_internal_state({atom_out_cache_index, Atom}) of
+ case get_internal_state({atom_out_cache_index, Atom}) of
CIX ->
[Atom|get_conflicting_atoms(CIX, N-1)];
_ ->
@@ -1277,7 +1354,7 @@ get_conflicting_unicode_atoms(_CIX, 0) ->
[];
get_conflicting_unicode_atoms(CIX, N) ->
Atom = string_to_atom([16#1f608] ++ "atom" ++ integer_to_list(erlang:unique_integer([positive]))),
- case erts_debug:get_internal_state({atom_out_cache_index, Atom}) of
+ case get_internal_state({atom_out_cache_index, Atom}) of
CIX ->
[Atom|get_conflicting_unicode_atoms(CIX, N-1)];
_ ->
@@ -1365,81 +1442,59 @@ bad_dist_structure(Config) when is_list(Config) ->
start_monitor(Offender,P),
P ! one,
send_bad_structure(Offender, P,{?DOP_MONITOR_P_EXIT,'replace',P,normal},2),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
+
start_monitor(Offender,P),
send_bad_structure(Offender, P,{?DOP_MONITOR_P_EXIT,'replace',P,normal,normal},2),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
+
start_link(Offender,P),
send_bad_structure(Offender, P,{?DOP_LINK},0),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
+
start_link(Offender,P),
send_bad_structure(Offender, P,{?DOP_UNLINK,'replace'},2),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
+
start_link(Offender,P),
send_bad_structure(Offender, P,{?DOP_UNLINK,'replace',make_ref()},2),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
+
start_link(Offender,P),
send_bad_structure(Offender, P,{?DOP_UNLINK,make_ref(),P},0),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
+
start_link(Offender,P),
send_bad_structure(Offender, P,{?DOP_UNLINK,normal,normal},0),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
+
start_monitor(Offender,P),
send_bad_structure(Offender, P,{?DOP_MONITOR_P,'replace',P},2),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
+
start_monitor(Offender,P),
send_bad_structure(Offender, P,{?DOP_MONITOR_P,'replace',P,normal},2),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
+
start_monitor(Offender,P),
send_bad_structure(Offender, P,{?DOP_DEMONITOR_P,'replace',P},2),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
+
start_monitor(Offender,P),
send_bad_structure(Offender, P,{?DOP_DEMONITOR_P,'replace',P,normal},2),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
+
send_bad_structure(Offender, P,{?DOP_EXIT,'replace',P},2),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_EXIT,make_ref(),normal,normal},0),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_EXIT_TT,'replace',token,P},2),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_EXIT_TT,make_ref(),token,normal,normal},0),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_EXIT2,'replace',P},2),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_EXIT2,make_ref(),normal,normal},0),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_EXIT2_TT,'replace',token,P},2),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_EXIT2_TT,make_ref(),token,normal,normal},0),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_GROUP_LEADER,'replace'},2),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_GROUP_LEADER,'replace','atomic'},2),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_GROUP_LEADER,'replace',P},0),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_REG_SEND_TT,'replace','',name},2,{message}),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_REG_SEND_TT,'replace','',name,token},0,{message}),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_REG_SEND,'replace',''},2,{message}),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_REG_SEND,'replace','',P},0,{message}),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_REG_SEND,'replace','',name},0,{message}),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_REG_SEND,'replace','',name,{token}},2,{message}),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_SEND_TT,'',P},0,{message}),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_SEND_TT,'',name,token},0,{message}),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_SEND,''},0,{message}),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_SEND,'',name},0,{message}),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
send_bad_structure(Offender, P,{?DOP_SEND,'',P,{token}},0,{message}),
- pong = rpc:call(Victim, net_adm, ping, [Offender]),
P ! two,
P ! check_msgs,
receive
@@ -1685,13 +1740,16 @@ bad_dist_ext_size(Config) when is_list(Config) ->
start_node_monitors([Offender,Victim]),
Parent = self(),
- P = spawn_link(Victim,
+ P = spawn_opt(Victim,
fun () ->
Parent ! {self(), started},
receive check_msgs -> ok end, %% DID CRASH HERE
bad_dist_ext_check_msgs([one]),
Parent ! {self(), messages_checked}
- end),
+ end,
+ [link,
+ %% on_heap to force total_heap_size to inspect msg queue
+ {message_queue_data, on_heap}]),
receive {P, started} -> ok end,
P ! one,
@@ -1714,6 +1772,7 @@ bad_dist_ext_size(Config) when is_list(Config) ->
verify_still_up(Offender, Victim),
+ %% Let process_info(P, total_heap_size) find bad msg and disconnect
rpc:call(Victim, erlang, process_info, [P, total_heap_size]),
verify_down(Offender, connection_closed, Victim, killed),
@@ -1795,10 +1854,11 @@ send_bad_structure(Offender,Victim,Bad,WhereToPutSelf) ->
send_bad_structure(Offender,Victim,Bad,WhereToPutSelf,PayLoad) ->
Parent = self(),
Done = make_ref(),
- spawn(Offender,
+ spawn_link(Offender,
fun () ->
Node = node(Victim),
pong = net_adm:ping(Node),
+ erlang:monitor_node(Node, true),
DCtrl = dctrl(Node),
Bad1 = case WhereToPutSelf of
0 ->
@@ -1812,7 +1872,16 @@ send_bad_structure(Offender,Victim,Bad,WhereToPutSelf,PayLoad) ->
[] -> [];
_Other -> [dmsg_ext(PayLoad)]
end,
+
+ receive {nodedown, Node} -> exit("premature nodedown")
+ after 10 -> ok
+ end,
+
dctrl_send(DCtrl, DData),
+
+ receive {nodedown, Node} -> ok
+ after 5000 -> exit("missing nodedown")
+ end,
Parent ! {DData,Done}
end),
receive
@@ -1893,11 +1962,26 @@ send_bad_dhdr(BadNode, ToNode) when is_atom(BadNode), is_atom(ToNode) ->
receive Done -> ok end.
dctrl(Node) when is_atom(Node) ->
- case catch erts_debug:get_internal_state(available_internal_state) of
- true -> true;
- _ -> erts_debug:set_internal_state(available_internal_state, true)
- end,
- erts_debug:get_internal_state({dist_ctrl, Node}).
+ get_internal_state({dist_ctrl, Node}).
+
+get_internal_state(Op) ->
+ try erts_debug:get_internal_state(Op) of
+ R -> R
+ catch
+ error:undef ->
+ erts_debug:set_internal_state(available_internal_state, true),
+ erts_debug:get_internal_state(Op)
+ end.
+
+set_internal_state(Op, Val) ->
+ try erts_debug:set_internal_state(Op, Val) of
+ R -> R
+ catch
+ error:undef ->
+ erts_debug:set_internal_state(available_internal_state, true),
+ erts_debug:set_internal_state(Op, Val)
+ end.
+
dmsg_hdr() ->
[131, % Version Magic
@@ -2040,11 +2124,9 @@ freeze_node(Node, MS) ->
Freezer = self(),
spawn_link(Node,
fun () ->
- erts_debug:set_internal_state(available_internal_state,
- true),
dctrl_dop_send(Freezer, DoingIt),
receive after Own -> ok end,
- erts_debug:set_internal_state(block, MS+Own)
+ set_internal_state(block, MS+Own)
end),
receive DoingIt -> ok end,
receive after Own -> ok end.
@@ -2094,7 +2176,7 @@ start_relay_node(Node, Args) ->
[{args, Args ++
" -setcookie "++Cookie++" -pa "++Pa++" "++
RunArg}]),
- [N,H] = string:tokens(atom_to_list(NN),"@"),
+ [N,H] = string:lexemes(atom_to_list(NN),"@"),
{ok, Sock} = gen_tcp:accept(LSock),
pang = net_adm:ping(NN),
{N,H,Sock}.
@@ -2248,8 +2330,7 @@ forever(Fun) ->
forever(Fun).
abort(Why) ->
- erts_debug:set_internal_state(available_internal_state, true),
- erts_debug:set_internal_state(abort, Why).
+ set_internal_state(abort, Why).
start_busy_dist_port_tracer() ->