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-rw-r--r--lib/kernel/test/erl_distribution_SUITE.erl1400
1 files changed, 693 insertions, 707 deletions
diff --git a/lib/kernel/test/erl_distribution_SUITE.erl b/lib/kernel/test/erl_distribution_SUITE.erl
index 9cccdab76b..eb58e92224 100644
--- a/lib/kernel/test/erl_distribution_SUITE.erl
+++ b/lib/kernel/test/erl_distribution_SUITE.erl
@@ -1,32 +1,33 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2011. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2016. All Rights Reserved.
%%
-%% The contents of this file are subject to the Erlang Public License,
-%% Version 1.1, (the "License"); you may not use this file except in
-%% compliance with the License. You should have received a copy of the
-%% Erlang Public License along with this software. If not, it can be
-%% retrieved online at http://www.erlang.org/.
+%% Licensed under the Apache License, Version 2.0 (the "License");
+%% you may not use this file except in compliance with the License.
+%% You may obtain a copy of the License at
%%
-%% Software distributed under the License is distributed on an "AS IS"
-%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
-%% the License for the specific language governing rights and limitations
-%% under the License.
+%% http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
%%
%% %CopyrightEnd%
%%
-module(erl_distribution_SUITE).
-%-define(line_trace, 1).
--include_lib("test_server/include/test_server.hrl").
+-include_lib("common_test/include/ct.hrl").
-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
init_per_group/2,end_per_group/2]).
-export([tick/1, tick_change/1, illegal_nodenames/1, hidden_node/1,
table_waste/1, net_setuptime/1,
-
+ inet_dist_options_options/1,
+
monitor_nodes_nodedown_reason/1,
monitor_nodes_complex_nodedown_reason/1,
monitor_nodes_node_type/1,
@@ -38,7 +39,8 @@
monitor_nodes_many/1]).
%% Performs the test at another node.
--export([tick_cli_test/1, tick_cli_test1/1,
+-export([get_socket_priorities/0,
+ tick_cli_test/1, tick_cli_test1/1,
tick_serv_test/2, tick_serv_test1/1,
keep_conn/1, time_ping/1]).
@@ -58,11 +60,14 @@
%% erl -sname master -rsh ctrsh
%%-----------------------------------------------------------------
-suite() -> [{ct_hooks,[ts_install_cth]}].
+suite() ->
+ [{ct_hooks,[ts_install_cth]},
+ {timetrap,{minutes,4}}].
all() ->
[tick, tick_change, illegal_nodenames, hidden_node,
- table_waste, net_setuptime, {group, monitor_nodes}].
+ table_waste, net_setuptime, inet_dist_options_options,
+ {group, monitor_nodes}].
groups() ->
[{monitor_nodes, [],
@@ -87,27 +92,22 @@ end_per_group(_GroupName, Config) ->
init_per_testcase(Func, Config) when is_atom(Func), is_list(Config) ->
- Dog=?t:timetrap(?t:minutes(4)),
- [{watchdog, Dog}|Config].
+ Config.
-end_per_testcase(_Func, Config) ->
- Dog=?config(watchdog, Config),
- ?t:timetrap_cancel(Dog).
+end_per_testcase(_Func, _Config) ->
+ ok.
-tick(suite) -> [];
-tick(doc) -> [];
tick(Config) when is_list(Config) ->
- ?line Dog = test_server:timetrap(test_server:seconds(120)),
PaDir = filename:dirname(code:which(erl_distribution_SUITE)),
-
+
%% First check that the normal case is OK!
- ?line {ok, Node} = start_node(dist_test, "-pa " ++ PaDir),
+ {ok, Node} = start_node(dist_test, "-pa " ++ PaDir),
rpc:call(Node, erl_distribution_SUITE, tick_cli_test, [node()]),
-
+
erlang:monitor_node(Node, true),
receive
{nodedown, Node} ->
- test_server:fail("nodedown from other node")
+ ct:fail("nodedown from other node")
after 30000 ->
erlang:monitor_node(Node, false),
stop_node(Node)
@@ -125,20 +125,20 @@ tick(Config) when is_list(Config) ->
%% Set the ticktime on the server node to 100 secs so the server
%% node doesn't tick the client node within the interval ...
- ?line {ok, ServNode} = start_node(dist_test_server,
- "-kernel net_ticktime 100 "
- "-pa " ++ PaDir),
+ {ok, ServNode} = start_node(dist_test_server,
+ "-kernel net_ticktime 100 "
+ "-pa " ++ PaDir),
rpc:call(ServNode, erl_distribution_SUITE, tick_serv_test, [Node, node()]),
- ?line {ok, _} = start_node(dist_test,
- "-kernel net_ticktime 12 "
- "-pa " ++ PaDir),
+ {ok, _} = start_node(dist_test,
+ "-kernel net_ticktime 12 "
+ "-pa " ++ PaDir),
rpc:call(Node, erl_distribution_SUITE, tick_cli_test, [ServNode]),
-
+
spawn_link(erl_distribution_SUITE, keep_conn, [Node]),
{tick_serv, ServNode} ! {i_want_the_result, self()},
-
+
monitor_node(ServNode, true),
monitor_node(Node, true),
@@ -150,56 +150,47 @@ tick(Config) when is_list(Config) ->
{tick_test, Error} ->
stop_node(ServNode),
stop_node(Node),
- test_server:fail(Error);
+ ct:fail(Error);
{nodedown, Node} ->
stop_node(ServNode),
- test_server:fail("client node died");
+ ct:fail("client node died");
{nodedown, ServNode} ->
stop_node(Node),
- test_server:fail("server node died")
+ ct:fail("server node died")
end,
- ?line test_server:timetrap_cancel(Dog),
ok.
-table_waste(doc) ->
- ["Checks that pinging nonexistyent nodes does not waste space in distribution table"];
-table_waste(suite) ->
- [];
+%% Checks that pinging nonexistyent nodes does not waste space in distribution table.
table_waste(Config) when is_list(Config) ->
- ?line {ok, HName} = inet:gethostname(),
+ {ok, HName} = inet:gethostname(),
F = fun(0,_F) -> [];
(N,F) ->
- ?line Name = list_to_atom("erl_distribution_"++integer_to_list(N)++
- "@"++HName),
- ?line pang = net_adm:ping(Name),
- ?line F(N-1,F)
+ Name = list_to_atom("erl_distribution_"++integer_to_list(N)++
+ "@"++HName),
+ pang = net_adm:ping(Name),
+ F(N-1,F)
end,
- ?line F(256,F),
- ?line {ok, N} = start_node(erl_distribution_300,""),
- ?line stop_node(N),
+ F(256,F),
+ {ok, N} = start_node(erl_distribution_300,""),
+ stop_node(N),
ok.
-
-
-illegal_nodenames(doc) ->
- ["Test that pinging an illegal nodename does not kill the node"];
-illegal_nodenames(suite) ->
- [];
+
+
+%% Test that pinging an illegal nodename does not kill the node.
illegal_nodenames(Config) when is_list(Config) ->
- ?line Dog=?t:timetrap(?t:minutes(2)),
PaDir = filename:dirname(code:which(erl_distribution_SUITE)),
- ?line {ok, Node}=start_node(illegal_nodenames, "-pa " ++ PaDir),
+ {ok, Node}=start_node(illegal_nodenames, "-pa " ++ PaDir),
monitor_node(Node, true),
- ?line RPid=rpc:call(Node, erlang, spawn,
- [?MODULE, pinger, [self()]]),
+ RPid=rpc:call(Node, erlang, spawn,
+ [?MODULE, pinger, [self()]]),
receive
{RPid, pinged} ->
ok;
{nodedown, Node} ->
- ?t:fail("Remote node died.")
+ ct:fail("Remote node died.")
end,
stop_node(Node),
- ?t:timetrap_cancel(Dog),
ok.
pinger(Starter) ->
@@ -209,7 +200,7 @@ pinger(Starter) ->
ok.
-net_setuptime(doc) -> ["Test that you can set the net_setuptime properly"];
+%% Test that you can set the net_setuptime properly.
net_setuptime(Config) when is_list(Config) ->
%% In this test case, we reluctantly accept shorter times than the given
%% setup time, because the connection attempt can end in a
@@ -217,26 +208,25 @@ net_setuptime(Config) when is_list(Config) ->
Res0 = do_test_setuptime("2"),
io:format("Res0 = ~p", [Res0]),
- ?line true = (Res0 =< 4000),
+ true = (Res0 =< 4000),
Res1 = do_test_setuptime("0.3"),
io:format("Res1 = ~p", [Res1]),
- ?line true = (Res1 =< 500),
+ true = (Res1 =< 500),
ok.
do_test_setuptime(Setuptime) when is_list(Setuptime) ->
- ?line PaDir = filename:dirname(code:which(?MODULE)),
- ?line {ok, Node} = start_node(dist_setuptime_test, "-pa " ++ PaDir ++
- " -kernel net_setuptime " ++ Setuptime),
- ?line Res = rpc:call(Node,?MODULE,time_ping,[?DUMMY_NODE]),
- ?line stop_node(Node),
+ PaDir = filename:dirname(code:which(?MODULE)),
+ {ok, Node} = start_node(dist_setuptime_test, "-pa " ++ PaDir ++
+ " -kernel net_setuptime " ++ Setuptime),
+ Res = rpc:call(Node,?MODULE,time_ping,[?DUMMY_NODE]),
+ stop_node(Node),
Res.
time_ping(Node) ->
- T0 = erlang:now(),
+ T0 = erlang:monotonic_time(),
pang = net_adm:ping(Node),
- T1 = erlang:now(),
- time_diff(T0,T1).
-
+ T1 = erlang:monotonic_time(),
+ erlang:convert_time_unit(T1 - T0, native, milli_seconds).
%% Keep the connection with the client node up.
%% This is neccessary as the client node runs with much shorter
@@ -273,13 +263,15 @@ tick_cli_test1(Node) ->
erlang:monitor_node(Node, true),
sleep(2),
rpc:call(Node, erlang, time, []), %% simulate action on the connection
- T1 = now(),
+ T1 = erlang:monotonic_time(),
receive
{nodedown, Node} ->
- T2 = now(),
+ T2 = erlang:monotonic_time(),
receive
{whats_the_result, From} ->
- case time_diff(T1, T2) of
+ Diff = erlang:convert_time_unit(T2-T1, native,
+ milli_seconds),
+ case Diff of
T when T > 8000, T < 16000 ->
From ! {tick_test, T};
T ->
@@ -291,160 +283,159 @@ tick_cli_test1(Node) ->
end.
-tick_change(doc) -> ["OTP-4255"];
-tick_change(suite) -> [];
+%% OTP-4255.
tick_change(Config) when is_list(Config) ->
- ?line PaDir = filename:dirname(code:which(?MODULE)),
- ?line [BN, CN] = get_nodenames(2, tick_change),
- ?line DefaultTT = net_kernel:get_net_ticktime(),
- ?line unchanged = net_kernel:set_net_ticktime(DefaultTT, 60),
- ?line case DefaultTT of
- I when is_integer(I) -> ?line ok;
- _ -> ?line ?t:fail(DefaultTT)
- end,
-
- % In case other nodes are connected
+ PaDir = filename:dirname(code:which(?MODULE)),
+ [BN, CN] = get_nodenames(2, tick_change),
+ DefaultTT = net_kernel:get_net_ticktime(),
+ unchanged = net_kernel:set_net_ticktime(DefaultTT, 60),
+ case DefaultTT of
+ I when is_integer(I) -> ok;
+ _ -> ct:fail(DefaultTT)
+ end,
+
+ %% In case other nodes are connected
case nodes(connected) of
- [] -> ?line net_kernel:set_net_ticktime(10, 0);
- _ -> ?line rpc:multicall(nodes([this, connected]), net_kernel,
- set_net_ticktime, [10, 5])
+ [] -> net_kernel:set_net_ticktime(10, 0);
+ _ -> rpc:multicall(nodes([this, connected]), net_kernel,
+ set_net_ticktime, [10, 5])
end,
- ?line wait_until(fun () -> 10 == net_kernel:get_net_ticktime() end),
- ?line {ok, B} = start_node(BN, "-kernel net_ticktime 10 -pa " ++ PaDir),
- ?line {ok, C} = start_node(CN, "-kernel net_ticktime 10 -hidden -pa "
- ++ PaDir),
+ wait_until(fun () -> 10 == net_kernel:get_net_ticktime() end),
+ {ok, B} = start_node(BN, "-kernel net_ticktime 10 -pa " ++ PaDir),
+ {ok, C} = start_node(CN, "-kernel net_ticktime 10 -hidden -pa "
+ ++ PaDir),
- ?line OTE = process_flag(trap_exit, true),
+ OTE = process_flag(trap_exit, true),
case catch begin
- ?line run_tick_change_test(B, C, 10, 1, PaDir),
- ?line run_tick_change_test(B, C, 1, 10, PaDir)
+ run_tick_change_test(B, C, 10, 1, PaDir),
+ run_tick_change_test(B, C, 1, 10, PaDir)
end of
{'EXIT', Reason} ->
- ?line stop_node(B),
- ?line stop_node(C),
+ stop_node(B),
+ stop_node(C),
%% In case other nodes are connected
case nodes(connected) of
- [] -> ?line net_kernel:set_net_ticktime(DefaultTT, 0);
- _ -> ?line rpc:multicall(nodes([this, connected]), net_kernel,
- set_net_ticktime, [DefaultTT, 10])
+ [] -> net_kernel:set_net_ticktime(DefaultTT, 0);
+ _ -> rpc:multicall(nodes([this, connected]), net_kernel,
+ set_net_ticktime, [DefaultTT, 10])
end,
- ?line wait_until(fun () ->
- DefaultTT == net_kernel:get_net_ticktime()
- end),
- ?line process_flag(trap_exit, OTE),
- ?t:fail(Reason);
+ wait_until(fun () ->
+ DefaultTT == net_kernel:get_net_ticktime()
+ end),
+ process_flag(trap_exit, OTE),
+ ct:fail(Reason);
_ ->
ok
end,
- ?line process_flag(trap_exit, OTE),
- ?line stop_node(B),
- ?line stop_node(C),
+ process_flag(trap_exit, OTE),
+ stop_node(B),
+ stop_node(C),
- % In case other nodes are connected
+ %% In case other nodes are connected
case nodes(connected) of
- [] -> ?line net_kernel:set_net_ticktime(DefaultTT, 0);
- _ -> ?line rpc:multicall(nodes([this, connected]), net_kernel,
- set_net_ticktime, [DefaultTT, 5])
+ [] -> net_kernel:set_net_ticktime(DefaultTT, 0);
+ _ -> rpc:multicall(nodes([this, connected]), net_kernel,
+ set_net_ticktime, [DefaultTT, 5])
end,
- ?line wait_until(fun () -> DefaultTT == net_kernel:get_net_ticktime() end),
- ?line ok.
+ wait_until(fun () -> DefaultTT == net_kernel:get_net_ticktime() end),
+ ok.
wait_for_nodedowns(Tester, Ref) ->
receive
{nodedown, Node} ->
- ?t:format("~p~n", [{node(), {nodedown, Node}}]),
- ?line Tester ! {Ref, {node(), {nodedown, Node}}}
+ io:format("~p~n", [{node(), {nodedown, Node}}]),
+ Tester ! {Ref, {node(), {nodedown, Node}}}
end,
wait_for_nodedowns(Tester, Ref).
run_tick_change_test(B, C, PrevTT, TT, PaDir) ->
- ?line [DN, EN] = get_nodenames(2, tick_change),
-
- ?line Tester = self(),
- ?line Ref = make_ref(),
- ?line MonitorNodes = fun (Nodes) ->
- ?line lists:foreach(
- fun (N) ->
- ?line monitor_node(N,true)
- end,
- Nodes),
- wait_for_nodedowns(Tester, Ref)
- end,
-
- ?line {ok, D} = start_node(DN, "-kernel net_ticktime "
- ++ integer_to_list(PrevTT) ++ " -pa " ++ PaDir),
-
- ?line NMA = spawn_link(fun () -> MonitorNodes([B, C, D]) end),
- ?line NMB = spawn_link(B, fun () -> MonitorNodes([node(), C, D]) end),
- ?line NMC = spawn_link(C, fun () -> MonitorNodes([node(), B, D]) end),
-
- ?line MaxTT = case PrevTT > TT of
- true -> ?line PrevTT;
- false -> ?line TT
- end,
+ [DN, EN] = get_nodenames(2, tick_change),
+
+ Tester = self(),
+ Ref = make_ref(),
+ MonitorNodes = fun (Nodes) ->
+ lists:foreach(
+ fun (N) ->
+ monitor_node(N,true)
+ end,
+ Nodes),
+ wait_for_nodedowns(Tester, Ref)
+ end,
+
+ {ok, D} = start_node(DN, "-kernel net_ticktime "
+ ++ integer_to_list(PrevTT) ++ " -pa " ++ PaDir),
+
+ NMA = spawn_link(fun () -> MonitorNodes([B, C, D]) end),
+ NMB = spawn_link(B, fun () -> MonitorNodes([node(), C, D]) end),
+ NMC = spawn_link(C, fun () -> MonitorNodes([node(), B, D]) end),
+
+ MaxTT = case PrevTT > TT of
+ true -> PrevTT;
+ false -> TT
+ end,
- ?line CheckResult = make_ref(),
- ?line spawn_link(fun () ->
- receive
- after (25 + MaxTT)*1000 ->
- Tester ! CheckResult
- end
- end),
+ CheckResult = make_ref(),
+ spawn_link(fun () ->
+ receive
+ after (25 + MaxTT)*1000 ->
+ Tester ! CheckResult
+ end
+ end),
- % In case other nodes than these are connected
+ %% In case other nodes than these are connected
case nodes(connected) -- [B, C, D] of
- [] -> ?line ok;
- OtherNodes -> ?line rpc:multicall(OtherNodes, net_kernel,
- set_net_ticktime, [TT, 20])
+ [] -> ok;
+ OtherNodes -> rpc:multicall(OtherNodes, net_kernel,
+ set_net_ticktime, [TT, 20])
end,
- ?line change_initiated = net_kernel:set_net_ticktime(TT,20),
- ?line {ongoing_change_to,_} = net_kernel:set_net_ticktime(TT,20),
- ?line sleep(3),
- ?line change_initiated = rpc:call(B,net_kernel,set_net_ticktime,[TT,15]),
- ?line sleep(7),
- ?line change_initiated = rpc:call(C,net_kernel,set_net_ticktime,[TT,10]),
-
- ?line {ok, E} = start_node(EN, "-kernel net_ticktime "
- ++ integer_to_list(TT) ++ " -pa " ++ PaDir),
- ?line NME = spawn_link(E, fun () -> MonitorNodes([node(), B, C, D]) end),
- ?line NMA2 = spawn_link(fun () -> MonitorNodes([E]) end),
- ?line NMB2 = spawn_link(B, fun () -> MonitorNodes([E]) end),
- ?line NMC2 = spawn_link(C, fun () -> MonitorNodes([E]) end),
-
- receive CheckResult -> ?line ok end,
-
- ?line unlink(NMA), exit(NMA, kill),
- ?line unlink(NMB), exit(NMB, kill),
- ?line unlink(NMC), exit(NMC, kill),
- ?line unlink(NME), exit(NME, kill),
- ?line unlink(NMA2), exit(NMA2, kill),
- ?line unlink(NMB2), exit(NMB2, kill),
- ?line unlink(NMC2), exit(NMC2, kill),
+ change_initiated = net_kernel:set_net_ticktime(TT,20),
+ {ongoing_change_to,_} = net_kernel:set_net_ticktime(TT,20),
+ sleep(3),
+ change_initiated = rpc:call(B,net_kernel,set_net_ticktime,[TT,15]),
+ sleep(7),
+ change_initiated = rpc:call(C,net_kernel,set_net_ticktime,[TT,10]),
+
+ {ok, E} = start_node(EN, "-kernel net_ticktime "
+ ++ integer_to_list(TT) ++ " -pa " ++ PaDir),
+ NME = spawn_link(E, fun () -> MonitorNodes([node(), B, C, D]) end),
+ NMA2 = spawn_link(fun () -> MonitorNodes([E]) end),
+ NMB2 = spawn_link(B, fun () -> MonitorNodes([E]) end),
+ NMC2 = spawn_link(C, fun () -> MonitorNodes([E]) end),
+
+ receive CheckResult -> ok end,
+
+ unlink(NMA), exit(NMA, kill),
+ unlink(NMB), exit(NMB, kill),
+ unlink(NMC), exit(NMC, kill),
+ unlink(NME), exit(NME, kill),
+ unlink(NMA2), exit(NMA2, kill),
+ unlink(NMB2), exit(NMB2, kill),
+ unlink(NMC2), exit(NMC2, kill),
%% The node not changing ticktime should have been disconnected from the
%% other nodes
- receive {Ref, {Node, {nodedown, D}}} when Node == node() -> ?line ok
- after 0 -> ?line exit({?LINE, no_nodedown})
+ receive {Ref, {Node, {nodedown, D}}} when Node == node() -> ok
+ after 0 -> exit({?LINE, no_nodedown})
end,
- receive {Ref, {B, {nodedown, D}}} -> ?line ok
- after 0 -> ?line exit({?LINE, no_nodedown})
+ receive {Ref, {B, {nodedown, D}}} -> ok
+ after 0 -> exit({?LINE, no_nodedown})
end,
- receive {Ref, {C, {nodedown, D}}} -> ?line ok
- after 0 -> ?line exit({?LINE, no_nodedown})
+ receive {Ref, {C, {nodedown, D}}} -> ok
+ after 0 -> exit({?LINE, no_nodedown})
end,
- receive {Ref, {E, {nodedown, D}}} -> ?line ok
- after 0 -> ?line exit({?LINE, no_nodedown})
+ receive {Ref, {E, {nodedown, D}}} -> ok
+ after 0 -> exit({?LINE, no_nodedown})
end,
%% No other connections should have been broken
receive
{Ref, Reason} ->
- ?line stop_node(E),
- ?line exit({?LINE, Reason});
+ stop_node(E),
+ exit({?LINE, Reason});
{'EXIT', Pid, Reason} when Pid == NMA;
Pid == NMB;
Pid == NMC;
@@ -452,70 +443,65 @@ run_tick_change_test(B, C, PrevTT, TT, PaDir) ->
Pid == NMA2;
Pid == NMB2;
Pid == NMC2 ->
- ?line stop_node(E),
+ stop_node(E),
- ?line exit({?LINE, {node(Pid), Reason}})
+ exit({?LINE, {node(Pid), Reason}})
after 0 ->
- ?line TT = net_kernel:get_net_ticktime(),
- ?line TT = rpc:call(B, net_kernel, get_net_ticktime, []),
- ?line TT = rpc:call(C, net_kernel, get_net_ticktime, []),
- ?line TT = rpc:call(E, net_kernel, get_net_ticktime, []),
- ?line stop_node(E),
- ?line ok
+ TT = net_kernel:get_net_ticktime(),
+ TT = rpc:call(B, net_kernel, get_net_ticktime, []),
+ TT = rpc:call(C, net_kernel, get_net_ticktime, []),
+ TT = rpc:call(E, net_kernel, get_net_ticktime, []),
+ stop_node(E),
+ ok
end.
%%
%% Basic tests of hidden node.
%%
-hidden_node(doc) ->
- ["Basic test of hidden node"];
-hidden_node(suite) ->
- [];
+%% Basic test of hidden node.
hidden_node(Config) when is_list(Config) ->
- ?line Dog = ?t:timetrap(?t:seconds(40)),
PaDir = filename:dirname(code:which(?MODULE)),
VArgs = "-pa " ++ PaDir,
HArgs = "-hidden -pa " ++ PaDir,
- ?line {ok, V} = start_node(visible_node, VArgs),
+ {ok, V} = start_node(visible_node, VArgs),
VMN = start_monitor_nodes_proc(V),
- ?line {ok, H} = start_node(hidden_node, HArgs),
- % Connect visible_node -> hidden_node
+ {ok, H} = start_node(hidden_node, HArgs),
+ %% Connect visible_node -> hidden_node
connect_nodes(V, H),
test_nodes(V, H),
stop_node(H),
sleep(5),
check_monitor_nodes_res(VMN, H),
stop_node(V),
- ?line {ok, H} = start_node(hidden_node, HArgs),
+ {ok, H} = start_node(hidden_node, HArgs),
HMN = start_monitor_nodes_proc(H),
- ?line {ok, V} = start_node(visible_node, VArgs),
- % Connect hidden_node -> visible_node
+ {ok, V} = start_node(visible_node, VArgs),
+ %% Connect hidden_node -> visible_node
connect_nodes(H, V),
test_nodes(V, H),
stop_node(V),
sleep(5),
check_monitor_nodes_res(HMN, V),
stop_node(H),
- ?line ?t:timetrap_cancel(Dog),
ok.
connect_nodes(A, B) ->
- % Check that they haven't already connected.
- ?line false = lists:member(A, rpc:call(B, erlang, nodes, [connected])),
- ?line false = lists:member(B, rpc:call(A, erlang, nodes, [connected])),
- % Connect them.
- ?line pong = rpc:call(A, net_adm, ping, [B]).
-
+ %% Check that they haven't already connected.
+ false = lists:member(A, rpc:call(B, erlang, nodes, [connected])),
+ false = lists:member(B, rpc:call(A, erlang, nodes, [connected])),
+ %% Connect them.
+ pong = rpc:call(A, net_adm, ping, [B]).
+
test_nodes(V, H) ->
- % No nodes should be visible on hidden_node
- ?line [] = rpc:call(H, erlang, nodes, []),
- % visible_node should be hidden on hidden_node
- ?line true = lists:member(V, rpc:call(H, erlang, nodes, [hidden])),
- % hidden_node node shouldn't be visible on visible_node
- ?line false = lists:member(H, rpc:call(V, erlang, nodes, [])),
- % hidden_node should be hidden on visible_node
- ?line true = lists:member(H, rpc:call(V, erlang, nodes, [hidden])).
+ %% No nodes should be visible on hidden_node
+ [] = rpc:call(H, erlang, nodes, []),
+ %% visible_node should be hidden on hidden_node
+ true = lists:member(V, rpc:call(H, erlang, nodes, [hidden])),
+ %% hidden_node node shouldn't be visible on visible_node
+ false = lists:member(H, rpc:call(V, erlang, nodes, [])),
+ %% hidden_node should be hidden on visible_node
+ true = lists:member(H, rpc:call(V, erlang, nodes, [hidden])).
mn_loop(MNs) ->
receive
@@ -543,196 +529,252 @@ start_monitor_nodes_proc(Node) ->
ok
end,
Pid.
-
+
check_monitor_nodes_res(Pid, Node) ->
Ref = make_ref(),
Pid ! {monitor_nodes_result, Ref, self()},
receive
{Ref, MNs} ->
- ?line false = lists:keysearch(Node, 2, MNs)
+ false = lists:keysearch(Node, 2, MNs)
+ end.
+
+
+
+%% Check the kernel inet_dist_{listen,connect}_options options.
+inet_dist_options_options(Config) when is_list(Config) ->
+ Prio = 1,
+ case gen_udp:open(0, [{priority,Prio}]) of
+ {ok,Socket} ->
+ case inet:getopts(Socket, [priority]) of
+ {ok,[{priority,Prio}]} ->
+ ok = gen_udp:close(Socket),
+ do_inet_dist_options_options(Prio);
+ _ ->
+ ok = gen_udp:close(Socket),
+ {skip,
+ "Can not set priority "++integer_to_list(Prio)++
+ " on socket"}
+ end;
+ {error,_} ->
+ {skip, "Can not set priority on socket"}
end.
+do_inet_dist_options_options(Prio) ->
+ PriorityString0 = "[{priority,"++integer_to_list(Prio)++"}]",
+ PriorityString =
+ case os:cmd("echo [{a,1}]") of
+ "[{a,1}]"++_ ->
+ PriorityString0;
+ _ ->
+ %% Some shells need quoting of [{}]
+ "'"++PriorityString0++"'"
+ end,
+ InetDistOptions =
+ "-hidden "
+ "-kernel inet_dist_connect_options "++PriorityString++" "
+ "-kernel inet_dist_listen_options "++PriorityString,
+ {ok,Node1} =
+ start_node(inet_dist_options_1, InetDistOptions),
+ {ok,Node2} =
+ start_node(inet_dist_options_2, InetDistOptions),
+ %%
+ pong =
+ rpc:call(Node1, net_adm, ping, [Node2]),
+ PrioritiesNode1 =
+ rpc:call(Node1, ?MODULE, get_socket_priorities, []),
+ PrioritiesNode2 =
+ rpc:call(Node2, ?MODULE, get_socket_priorities, []),
+ io:format("PrioritiesNode1 = ~p", [PrioritiesNode1]),
+ io:format("PrioritiesNode2 = ~p", [PrioritiesNode2]),
+ Elevated = [P || P <- PrioritiesNode1, P =:= Prio],
+ Elevated = [P || P <- PrioritiesNode2, P =:= Prio],
+ [_|_] = Elevated,
+ %%
+ stop_node(Node2),
+ stop_node(Node1),
+ ok.
+
+get_socket_priorities() ->
+ [Priority ||
+ {ok,[{priority,Priority}]} <-
+ [inet:getopts(Port, [priority]) ||
+ Port <- erlang:ports(),
+ element(2, erlang:port_info(Port, name)) =:= "tcp_inet"]].
+
+
-
%%
%% Testcase:
%% monitor_nodes_nodedown_reason
%%
-monitor_nodes_nodedown_reason(doc) -> [];
-monitor_nodes_nodedown_reason(suite) -> [];
monitor_nodes_nodedown_reason(Config) when is_list(Config) ->
- ?line MonNodeState = monitor_node_state(),
- ?line ok = net_kernel:monitor_nodes(true),
- ?line ok = net_kernel:monitor_nodes(true, [nodedown_reason]),
-
- ?line Names = get_numbered_nodenames(5, node),
- ?line [NN1, NN2, NN3, NN4, NN5] = Names,
-
- ?line {ok, N1} = start_node(NN1),
- ?line {ok, N2} = start_node(NN2),
- ?line {ok, N3} = start_node(NN3),
- ?line {ok, N4} = start_node(NN4, "-hidden"),
-
- ?line receive {nodeup, N1} -> ok end,
- ?line receive {nodeup, N2} -> ok end,
- ?line receive {nodeup, N3} -> ok end,
-
- ?line receive {nodeup, N1, []} -> ok end,
- ?line receive {nodeup, N2, []} -> ok end,
- ?line receive {nodeup, N3, []} -> ok end,
-
- ?line stop_node(N1),
- ?line stop_node(N4),
- ?line true = net_kernel:disconnect(N2),
- ?line TickTime = net_kernel:get_net_ticktime(),
- ?line SleepTime = TickTime + (TickTime div 4),
- ?line spawn(N3, fun () ->
- block_emu(SleepTime*1000),
- halt()
- end),
-
- ?line receive {nodedown, N1} -> ok end,
- ?line receive {nodedown, N2} -> ok end,
- ?line receive {nodedown, N3} -> ok end,
-
- ?line receive {nodedown, N1, [{nodedown_reason, R1}]} -> connection_closed = R1 end,
- ?line receive {nodedown, N2, [{nodedown_reason, R2}]} -> disconnect = R2 end,
- ?line receive {nodedown, N3, [{nodedown_reason, R3}]} -> net_tick_timeout = R3 end,
-
- ?line ok = net_kernel:monitor_nodes(false, [nodedown_reason]),
-
- ?line {ok, N5} = start_node(NN5),
- ?line stop_node(N5),
-
- ?line receive {nodeup, N5} -> ok end,
- ?line receive {nodedown, N5} -> ok end,
- ?line print_my_messages(),
- ?line ok = check_no_nodedown_nodeup(1000),
- ?line ok = net_kernel:monitor_nodes(false),
- ?line MonNodeState = monitor_node_state(),
- ?line ok.
-
-
-monitor_nodes_complex_nodedown_reason(doc) -> [];
-monitor_nodes_complex_nodedown_reason(suite) -> [];
+ MonNodeState = monitor_node_state(),
+ ok = net_kernel:monitor_nodes(true),
+ ok = net_kernel:monitor_nodes(true, [nodedown_reason]),
+
+ Names = get_numbered_nodenames(5, node),
+ [NN1, NN2, NN3, NN4, NN5] = Names,
+
+ {ok, N1} = start_node(NN1),
+ {ok, N2} = start_node(NN2),
+ {ok, N3} = start_node(NN3),
+ {ok, N4} = start_node(NN4, "-hidden"),
+
+ receive {nodeup, N1} -> ok end,
+ receive {nodeup, N2} -> ok end,
+ receive {nodeup, N3} -> ok end,
+
+ receive {nodeup, N1, []} -> ok end,
+ receive {nodeup, N2, []} -> ok end,
+ receive {nodeup, N3, []} -> ok end,
+
+ stop_node(N1),
+ stop_node(N4),
+ true = net_kernel:disconnect(N2),
+ TickTime = net_kernel:get_net_ticktime(),
+ SleepTime = TickTime + (TickTime div 2),
+ spawn(N3, fun () ->
+ block_emu(SleepTime*1000),
+ halt()
+ end),
+
+ receive {nodedown, N1} -> ok end,
+ receive {nodedown, N2} -> ok end,
+ receive {nodedown, N3} -> ok end,
+
+ receive {nodedown, N1, [{nodedown_reason, R1}]} -> connection_closed = R1 end,
+ receive {nodedown, N2, [{nodedown_reason, R2}]} -> disconnect = R2 end,
+ receive {nodedown, N3, [{nodedown_reason, R3}]} -> net_tick_timeout = R3 end,
+
+ ok = net_kernel:monitor_nodes(false, [nodedown_reason]),
+
+ {ok, N5} = start_node(NN5),
+ stop_node(N5),
+
+ receive {nodeup, N5} -> ok end,
+ receive {nodedown, N5} -> ok end,
+ print_my_messages(),
+ ok = check_no_nodedown_nodeup(1000),
+ ok = net_kernel:monitor_nodes(false),
+ MonNodeState = monitor_node_state(),
+ ok.
+
+
monitor_nodes_complex_nodedown_reason(Config) when is_list(Config) ->
- ?line MonNodeState = monitor_node_state(),
- ?line Me = self(),
- ?line ok = net_kernel:monitor_nodes(true, [nodedown_reason]),
- ?line [Name] = get_nodenames(1, monitor_nodes_complex_nodedown_reason),
- ?line {ok, Node} = start_node(Name, ""),
- ?line Pid = spawn(Node,
- fun() ->
- Me ! {stuff,
- self(),
- [make_ref(),
- {processes(), erlang:ports()}]}
- end),
- ?line receive {nodeup, Node, []} -> ok end,
- ?line {ok, NodeInfo} = net_kernel:node_info(Node),
- ?line {value,{owner, Owner}} = lists:keysearch(owner, 1, NodeInfo),
- ?line ComplexTerm = receive {stuff, Pid, _} = Msg ->
- {Msg, term_to_binary(Msg)}
- end,
- ?line exit(Owner, ComplexTerm),
- ?line receive
- {nodedown, Node, [{nodedown_reason, NodeDownReason}]} ->
- ?line ok
- end,
+ MonNodeState = monitor_node_state(),
+ Me = self(),
+ ok = net_kernel:monitor_nodes(true, [nodedown_reason]),
+ [Name] = get_nodenames(1, monitor_nodes_complex_nodedown_reason),
+ {ok, Node} = start_node(Name, ""),
+ Pid = spawn(Node,
+ fun() ->
+ Me ! {stuff,
+ self(),
+ [make_ref(),
+ {processes(), erlang:ports()}]}
+ end),
+ receive {nodeup, Node, []} -> ok end,
+ {ok, NodeInfo} = net_kernel:node_info(Node),
+ {value,{owner, Owner}} = lists:keysearch(owner, 1, NodeInfo),
+ ComplexTerm = receive {stuff, Pid, _} = Msg ->
+ {Msg, term_to_binary(Msg)}
+ end,
+ exit(Owner, ComplexTerm),
+ receive
+ {nodedown, Node, [{nodedown_reason, NodeDownReason}]} ->
+ ok
+ end,
%% If the complex nodedown_reason messed something up garbage collections
%% are likely to dump core
- ?line garbage_collect(),
- ?line garbage_collect(),
- ?line garbage_collect(),
- ?line ComplexTerm = NodeDownReason,
- ?line ok = net_kernel:monitor_nodes(false, [nodedown_reason]),
- ?line no_msgs(),
- ?line MonNodeState = monitor_node_state(),
- ?line ok.
-
-
-
+ garbage_collect(),
+ garbage_collect(),
+ garbage_collect(),
+ ComplexTerm = NodeDownReason,
+ ok = net_kernel:monitor_nodes(false, [nodedown_reason]),
+ no_msgs(),
+ MonNodeState = monitor_node_state(),
+ ok.
+
+
+
%%
%% Testcase:
%% monitor_nodes_node_type
%%
-monitor_nodes_node_type(doc) -> [];
-monitor_nodes_node_type(suite) -> [];
monitor_nodes_node_type(Config) when is_list(Config) ->
- ?line MonNodeState = monitor_node_state(),
- ?line ok = net_kernel:monitor_nodes(true),
- ?line ok = net_kernel:monitor_nodes(true, [{node_type, all}]),
- ?line Names = get_numbered_nodenames(9, node),
-% ?line ?t:format("Names: ~p~n", [Names]),
- ?line [NN1, NN2, NN3, NN4, NN5, NN6, NN7, NN8, NN9] = Names,
-
- ?line {ok, N1} = start_node(NN1),
- ?line {ok, N2} = start_node(NN2),
- ?line {ok, N3} = start_node(NN3, "-hidden"),
- ?line {ok, N4} = start_node(NN4, "-hidden"),
-
- ?line receive {nodeup, N1} -> ok end,
- ?line receive {nodeup, N2} -> ok end,
-
- ?line receive {nodeup, N1, [{node_type, visible}]} -> ok end,
- ?line receive {nodeup, N2, [{node_type, visible}]} -> ok end,
- ?line receive {nodeup, N3, [{node_type, hidden}]} -> ok end,
- ?line receive {nodeup, N4, [{node_type, hidden}]} -> ok end,
-
- ?line stop_node(N1),
- ?line stop_node(N2),
- ?line stop_node(N3),
- ?line stop_node(N4),
-
- ?line receive {nodedown, N1} -> ok end,
- ?line receive {nodedown, N2} -> ok end,
-
- ?line receive {nodedown, N1, [{node_type, visible}]} -> ok end,
- ?line receive {nodedown, N2, [{node_type, visible}]} -> ok end,
- ?line receive {nodedown, N3, [{node_type, hidden}]} -> ok end,
- ?line receive {nodedown, N4, [{node_type, hidden}]} -> ok end,
-
- ?line ok = net_kernel:monitor_nodes(false, [{node_type, all}]),
- ?line {ok, N5} = start_node(NN5),
-
- ?line receive {nodeup, N5} -> ok end,
- ?line stop_node(N5),
- ?line receive {nodedown, N5} -> ok end,
-
- ?line ok = net_kernel:monitor_nodes(true, [{node_type, hidden}]),
- ?line {ok, N6} = start_node(NN6),
- ?line {ok, N7} = start_node(NN7, "-hidden"),
-
-
- ?line receive {nodeup, N6} -> ok end,
- ?line receive {nodeup, N7, [{node_type, hidden}]} -> ok end,
- ?line stop_node(N6),
- ?line stop_node(N7),
-
- ?line receive {nodedown, N6} -> ok end,
- ?line receive {nodedown, N7, [{node_type, hidden}]} -> ok end,
-
- ?line ok = net_kernel:monitor_nodes(true, [{node_type, visible}]),
- ?line ok = net_kernel:monitor_nodes(false, [{node_type, hidden}]),
- ?line ok = net_kernel:monitor_nodes(false),
-
- ?line {ok, N8} = start_node(NN8),
- ?line {ok, N9} = start_node(NN9, "-hidden"),
-
- ?line receive {nodeup, N8, [{node_type, visible}]} -> ok end,
- ?line stop_node(N8),
- ?line stop_node(N9),
-
- ?line receive {nodedown, N8, [{node_type, visible}]} -> ok end,
- ?line print_my_messages(),
- ?line ok = check_no_nodedown_nodeup(1000),
- ?line ok = net_kernel:monitor_nodes(false, [{node_type, visible}]),
- ?line MonNodeState = monitor_node_state(),
- ?line ok.
+ MonNodeState = monitor_node_state(),
+ ok = net_kernel:monitor_nodes(true),
+ ok = net_kernel:monitor_nodes(true, [{node_type, all}]),
+ Names = get_numbered_nodenames(9, node),
+ [NN1, NN2, NN3, NN4, NN5, NN6, NN7, NN8, NN9] = Names,
+
+ {ok, N1} = start_node(NN1),
+ {ok, N2} = start_node(NN2),
+ {ok, N3} = start_node(NN3, "-hidden"),
+ {ok, N4} = start_node(NN4, "-hidden"),
+
+ receive {nodeup, N1} -> ok end,
+ receive {nodeup, N2} -> ok end,
+
+ receive {nodeup, N1, [{node_type, visible}]} -> ok end,
+ receive {nodeup, N2, [{node_type, visible}]} -> ok end,
+ receive {nodeup, N3, [{node_type, hidden}]} -> ok end,
+ receive {nodeup, N4, [{node_type, hidden}]} -> ok end,
+
+ stop_node(N1),
+ stop_node(N2),
+ stop_node(N3),
+ stop_node(N4),
+
+ receive {nodedown, N1} -> ok end,
+ receive {nodedown, N2} -> ok end,
+
+ receive {nodedown, N1, [{node_type, visible}]} -> ok end,
+ receive {nodedown, N2, [{node_type, visible}]} -> ok end,
+ receive {nodedown, N3, [{node_type, hidden}]} -> ok end,
+ receive {nodedown, N4, [{node_type, hidden}]} -> ok end,
+
+ ok = net_kernel:monitor_nodes(false, [{node_type, all}]),
+ {ok, N5} = start_node(NN5),
+
+ receive {nodeup, N5} -> ok end,
+ stop_node(N5),
+ receive {nodedown, N5} -> ok end,
+
+ ok = net_kernel:monitor_nodes(true, [{node_type, hidden}]),
+ {ok, N6} = start_node(NN6),
+ {ok, N7} = start_node(NN7, "-hidden"),
+
+
+ receive {nodeup, N6} -> ok end,
+ receive {nodeup, N7, [{node_type, hidden}]} -> ok end,
+ stop_node(N6),
+ stop_node(N7),
+
+ receive {nodedown, N6} -> ok end,
+ receive {nodedown, N7, [{node_type, hidden}]} -> ok end,
+
+ ok = net_kernel:monitor_nodes(true, [{node_type, visible}]),
+ ok = net_kernel:monitor_nodes(false, [{node_type, hidden}]),
+ ok = net_kernel:monitor_nodes(false),
+
+ {ok, N8} = start_node(NN8),
+ {ok, N9} = start_node(NN9, "-hidden"),
+
+ receive {nodeup, N8, [{node_type, visible}]} -> ok end,
+ stop_node(N8),
+ stop_node(N9),
+
+ receive {nodedown, N8, [{node_type, visible}]} -> ok end,
+ print_my_messages(),
+ ok = check_no_nodedown_nodeup(1000),
+ ok = net_kernel:monitor_nodes(false, [{node_type, visible}]),
+ MonNodeState = monitor_node_state(),
+ ok.
%%
@@ -740,95 +782,89 @@ monitor_nodes_node_type(Config) when is_list(Config) ->
%% monitor_nodes
%%
-monitor_nodes_misc(doc) -> [];
-monitor_nodes_misc(suite) -> [];
monitor_nodes_misc(Config) when is_list(Config) ->
- ?line MonNodeState = monitor_node_state(),
- ?line ok = net_kernel:monitor_nodes(true),
- ?line ok = net_kernel:monitor_nodes(true, [{node_type, all}, nodedown_reason]),
- ?line ok = net_kernel:monitor_nodes(true, [nodedown_reason, {node_type, all}]),
- ?line Names = get_numbered_nodenames(3, node),
-% ?line ?t:format("Names: ~p~n", [Names]),
- ?line [NN1, NN2, NN3] = Names,
-
- ?line {ok, N1} = start_node(NN1),
- ?line {ok, N2} = start_node(NN2, "-hidden"),
-
- ?line receive {nodeup, N1} -> ok end,
-
- ?line receive {nodeup, N1, [{node_type, visible}]} -> ok end,
- ?line receive {nodeup, N1, [{node_type, visible}]} -> ok end,
- ?line receive {nodeup, N2, [{node_type, hidden}]} -> ok end,
- ?line receive {nodeup, N2, [{node_type, hidden}]} -> ok end,
-
- ?line stop_node(N1),
- ?line stop_node(N2),
-
- ?line VisbleDownInfo = lists:sort([{node_type, visible},
- {nodedown_reason, connection_closed}]),
- ?line HiddenDownInfo = lists:sort([{node_type, hidden},
- {nodedown_reason, connection_closed}]),
-
- ?line receive {nodedown, N1} -> ok end,
-
- ?line receive {nodedown, N1, Info1A} -> VisbleDownInfo = lists:sort(Info1A) end,
- ?line receive {nodedown, N1, Info1B} -> VisbleDownInfo = lists:sort(Info1B) end,
- ?line receive {nodedown, N2, Info2A} -> HiddenDownInfo = lists:sort(Info2A) end,
- ?line receive {nodedown, N2, Info2B} -> HiddenDownInfo = lists:sort(Info2B) end,
-
- ?line ok = net_kernel:monitor_nodes(false, [{node_type, all}, nodedown_reason]),
-
- ?line {ok, N3} = start_node(NN3),
- ?line receive {nodeup, N3} -> ok end,
- ?line stop_node(N3),
- ?line receive {nodedown, N3} -> ok end,
- ?line print_my_messages(),
- ?line ok = check_no_nodedown_nodeup(1000),
- ?line ok = net_kernel:monitor_nodes(false),
- ?line MonNodeState = monitor_node_state(),
- ?line ok.
-
-
-monitor_nodes_otp_6481(doc) ->
- ["Tests that {nodeup, Node} messages are received before "
- "messages from Node and that {nodedown, Node} messages are"
- "received after messages from Node"];
-monitor_nodes_otp_6481(suite) ->
- [];
+ MonNodeState = monitor_node_state(),
+ ok = net_kernel:monitor_nodes(true),
+ ok = net_kernel:monitor_nodes(true, [{node_type, all}, nodedown_reason]),
+ ok = net_kernel:monitor_nodes(true, [nodedown_reason, {node_type, all}]),
+ Names = get_numbered_nodenames(3, node),
+ [NN1, NN2, NN3] = Names,
+
+ {ok, N1} = start_node(NN1),
+ {ok, N2} = start_node(NN2, "-hidden"),
+
+ receive {nodeup, N1} -> ok end,
+
+ receive {nodeup, N1, [{node_type, visible}]} -> ok end,
+ receive {nodeup, N1, [{node_type, visible}]} -> ok end,
+ receive {nodeup, N2, [{node_type, hidden}]} -> ok end,
+ receive {nodeup, N2, [{node_type, hidden}]} -> ok end,
+
+ stop_node(N1),
+ stop_node(N2),
+
+ VisbleDownInfo = lists:sort([{node_type, visible},
+ {nodedown_reason, connection_closed}]),
+ HiddenDownInfo = lists:sort([{node_type, hidden},
+ {nodedown_reason, connection_closed}]),
+
+ receive {nodedown, N1} -> ok end,
+
+ receive {nodedown, N1, Info1A} -> VisbleDownInfo = lists:sort(Info1A) end,
+ receive {nodedown, N1, Info1B} -> VisbleDownInfo = lists:sort(Info1B) end,
+ receive {nodedown, N2, Info2A} -> HiddenDownInfo = lists:sort(Info2A) end,
+ receive {nodedown, N2, Info2B} -> HiddenDownInfo = lists:sort(Info2B) end,
+
+ ok = net_kernel:monitor_nodes(false, [{node_type, all}, nodedown_reason]),
+
+ {ok, N3} = start_node(NN3),
+ receive {nodeup, N3} -> ok end,
+ stop_node(N3),
+ receive {nodedown, N3} -> ok end,
+ print_my_messages(),
+ ok = check_no_nodedown_nodeup(1000),
+ ok = net_kernel:monitor_nodes(false),
+ MonNodeState = monitor_node_state(),
+ ok.
+
+
+%% Tests that {nodeup, Node} messages are received before
+%% messages from Node and that {nodedown, Node} messages are
+%% received after messages from Node.
monitor_nodes_otp_6481(Config) when is_list(Config) ->
- ?line ?t:format("Testing nodedown...~n"),
- ?line monitor_nodes_otp_6481_test(Config, nodedown),
- ?line ?t:format("ok~n"),
- ?line ?t:format("Testing nodeup...~n"),
- ?line monitor_nodes_otp_6481_test(Config, nodeup),
- ?line ?t:format("ok~n"),
- ?line ok.
+ io:format("Testing nodedown...~n"),
+ monitor_nodes_otp_6481_test(Config, nodedown),
+ io:format("ok~n"),
+ io:format("Testing nodeup...~n"),
+ monitor_nodes_otp_6481_test(Config, nodeup),
+ io:format("ok~n"),
+ ok.
monitor_nodes_otp_6481_test(Config, TestType) when is_list(Config) ->
- ?line MonNodeState = monitor_node_state(),
- ?line NodeMsg = make_ref(),
- ?line Me = self(),
- ?line [Name] = get_nodenames(1, monitor_nodes_otp_6481),
- ?line case TestType of
- nodedown -> ?line ok = net_kernel:monitor_nodes(true);
- nodeup -> ?line ok
- end,
- ?line Seq = lists:seq(1,10000),
- ?line MN = spawn_link(
- fun () ->
- ?line lists:foreach(
- fun (_) ->
- ?line ok = net_kernel:monitor_nodes(true)
- end,
- Seq),
- ?line Me ! {mon_set, self()},
- ?line receive after infinity -> ok end
- end),
- ?line receive {mon_set, MN} -> ok end,
- ?line case TestType of
- nodedown -> ?line ok;
- nodeup -> ?line ok = net_kernel:monitor_nodes(true)
- end,
+ MonNodeState = monitor_node_state(),
+ NodeMsg = make_ref(),
+ Me = self(),
+ [Name] = get_nodenames(1, monitor_nodes_otp_6481),
+ case TestType of
+ nodedown -> ok = net_kernel:monitor_nodes(true);
+ nodeup -> ok
+ end,
+ Seq = lists:seq(1,10000),
+ MN = spawn_link(
+ fun () ->
+ lists:foreach(
+ fun (_) ->
+ ok = net_kernel:monitor_nodes(true)
+ end,
+ Seq),
+ Me ! {mon_set, self()},
+ receive after infinity -> ok end
+ end),
+ receive {mon_set, MN} -> ok end,
+ case TestType of
+ nodedown -> ok;
+ nodeup -> ok = net_kernel:monitor_nodes(true)
+ end,
%% Whitebox:
%% nodedown test: Since this process was the first one monitoring
@@ -839,170 +875,163 @@ monitor_nodes_otp_6481_test(Config, TestType) when is_list(Config) ->
%% on nodeup
%% Verify the monitor_nodes order expected
- ?line TestMonNodeState = monitor_node_state(),
- %?line ?t:format("~p~n", [TestMonNodeState]),
- ?line TestMonNodeState =
+ TestMonNodeState = monitor_node_state(),
+ %% io:format("~p~n", [TestMonNodeState]),
+ TestMonNodeState =
MonNodeState
++ case TestType of
- nodedown -> [{self(), []}];
- nodeup -> []
+ nodedown -> [{self(), []}];
+ nodeup -> []
end
++ lists:map(fun (_) -> {MN, []} end, Seq)
++ case TestType of
- nodedown -> [];
- nodeup -> [{self(), []}]
+ nodedown -> [];
+ nodeup -> [{self(), []}]
end,
- ?line {ok, Node} = start_node(Name, "", this),
- ?line receive {nodeup, Node} -> ok end,
-
- ?line RemotePid = spawn(Node,
- fun () ->
- receive after 1500 -> ok end,
- % infinit loop of msgs
- % we want an endless stream of messages and the kill
- % the node mercilessly.
- % We then want to ensure that the nodedown message arrives
- % last ... without garbage after it.
- _ = spawn(fun() -> node_loop_send(Me, NodeMsg, 1) end),
- receive {Me, kill_it} -> ok end,
- halt()
- end),
+ {ok, Node} = start_node(Name, "", this),
+ receive {nodeup, Node} -> ok end,
+
+ RemotePid = spawn(Node,
+ fun () ->
+ receive after 1500 -> ok end,
+ %% infinit loop of msgs
+ %% we want an endless stream of messages and the kill
+ %% the node mercilessly.
+ %% We then want to ensure that the nodedown message arrives
+ %% last ... without garbage after it.
+ _ = spawn(fun() -> node_loop_send(Me, NodeMsg, 1) end),
+ receive {Me, kill_it} -> ok end,
+ halt()
+ end),
- ?line net_kernel:disconnect(Node),
- ?line receive {nodedown, Node} -> ok end,
+ net_kernel:disconnect(Node),
+ receive {nodedown, Node} -> ok end,
%% Verify that '{nodeup, Node}' comes before '{NodeMsg, 1}' (the message
%% bringing up the connection).
- ?line no_msgs(500),
- ?line {nodeup, Node} = receive Msg1 -> Msg1 end,
- ?line {NodeMsg, 1} = receive Msg2 -> Msg2 end,
- % msg stream has begun, kill the node
- ?line RemotePid ! {self(), kill_it},
+ {nodeup, Node} = receive Msg1 -> Msg1 end,
+ {NodeMsg, N} = receive Msg2 -> Msg2 end,
+ %% msg stream has begun, kill the node
+ RemotePid ! {self(), kill_it},
%% Verify that '{nodedown, Node}' comes after the last '{NodeMsg, N}'
%% message.
- ?line {nodedown, Node} = flush_node_msgs(NodeMsg, 2),
- ?line no_msgs(500),
-
- ?line Mon = erlang:monitor(process, MN),
- ?line unlink(MN),
- ?line exit(MN, bang),
- ?line receive {'DOWN', Mon, process, MN, bang} -> ok end,
- ?line ok = net_kernel:monitor_nodes(false),
- ?line MonNodeState = monitor_node_state(),
- ?line ok.
+ {nodedown, Node} = flush_node_msgs(NodeMsg, N+1),
+ no_msgs(500),
+
+ Mon = erlang:monitor(process, MN),
+ unlink(MN),
+ exit(MN, bang),
+ receive {'DOWN', Mon, process, MN, bang} -> ok end,
+ ok = net_kernel:monitor_nodes(false),
+ MonNodeState = monitor_node_state(),
+ ok.
flush_node_msgs(NodeMsg, No) ->
case receive Msg -> Msg end of
- {NodeMsg, No} -> flush_node_msgs(NodeMsg, No+1);
- OtherMsg -> OtherMsg
+ {NodeMsg, N} when N >= No ->
+ flush_node_msgs(NodeMsg, N+1);
+ OtherMsg ->
+ OtherMsg
end.
node_loop_send(Pid, Msg, No) ->
Pid ! {Msg, No},
node_loop_send(Pid, Msg, No + 1).
-monitor_nodes_errors(doc) ->
- [];
-monitor_nodes_errors(suite) ->
- [];
monitor_nodes_errors(Config) when is_list(Config) ->
- ?line MonNodeState = monitor_node_state(),
- ?line error = net_kernel:monitor_nodes(asdf),
- ?line {error,
- {unknown_options,
- [gurka]}} = net_kernel:monitor_nodes(true,
- [gurka]),
- ?line {error,
- {options_not_a_list,
- gurka}} = net_kernel:monitor_nodes(true,
- gurka),
- ?line {error,
- {option_value_mismatch,
- [{node_type,visible},
- {node_type,hidden}]}}
+ MonNodeState = monitor_node_state(),
+ error = net_kernel:monitor_nodes(asdf),
+ {error,
+ {unknown_options,
+ [gurka]}} = net_kernel:monitor_nodes(true,
+ [gurka]),
+ {error,
+ {options_not_a_list,
+ gurka}} = net_kernel:monitor_nodes(true,
+ gurka),
+ {error,
+ {option_value_mismatch,
+ [{node_type,visible},
+ {node_type,hidden}]}}
= net_kernel:monitor_nodes(true,
[{node_type,hidden},
{node_type,visible}]),
- ?line {error,
- {option_value_mismatch,
- [{node_type,visible},
- {node_type,all}]}}
+ {error,
+ {option_value_mismatch,
+ [{node_type,visible},
+ {node_type,all}]}}
= net_kernel:monitor_nodes(true,
[{node_type,all},
{node_type,visible}]),
- ?line {error,
- {bad_option_value,
- {node_type,
- blaha}}}
+ {error,
+ {bad_option_value,
+ {node_type,
+ blaha}}}
= net_kernel:monitor_nodes(true, [{node_type, blaha}]),
- ?line MonNodeState = monitor_node_state(),
- ?line ok.
+ MonNodeState = monitor_node_state(),
+ ok.
-monitor_nodes_combinations(doc) ->
- [];
-monitor_nodes_combinations(suite) ->
- [];
monitor_nodes_combinations(Config) when is_list(Config) ->
- ?line MonNodeState = monitor_node_state(),
- ?line monitor_nodes_all_comb(true),
- ?line [VisibleName, HiddenName] = get_nodenames(2,
- monitor_nodes_combinations),
- ?line {ok, Visible} = start_node(VisibleName, ""),
- ?line receive_all_comb_nodeup_msgs(visible, Visible),
- ?line no_msgs(),
- ?line stop_node(Visible),
- ?line receive_all_comb_nodedown_msgs(visible, Visible, connection_closed),
- ?line no_msgs(),
- ?line {ok, Hidden} = start_node(HiddenName, "-hidden"),
- ?line receive_all_comb_nodeup_msgs(hidden, Hidden),
- ?line no_msgs(),
- ?line stop_node(Hidden),
- ?line receive_all_comb_nodedown_msgs(hidden, Hidden, connection_closed),
- ?line no_msgs(),
- ?line monitor_nodes_all_comb(false),
- ?line MonNodeState = monitor_node_state(),
- ?line no_msgs(),
- ?line ok.
+ MonNodeState = monitor_node_state(),
+ monitor_nodes_all_comb(true),
+ [VisibleName, HiddenName] = get_nodenames(2,
+ monitor_nodes_combinations),
+ {ok, Visible} = start_node(VisibleName, ""),
+ receive_all_comb_nodeup_msgs(visible, Visible),
+ no_msgs(),
+ stop_node(Visible),
+ receive_all_comb_nodedown_msgs(visible, Visible, connection_closed),
+ no_msgs(),
+ {ok, Hidden} = start_node(HiddenName, "-hidden"),
+ receive_all_comb_nodeup_msgs(hidden, Hidden),
+ no_msgs(),
+ stop_node(Hidden),
+ receive_all_comb_nodedown_msgs(hidden, Hidden, connection_closed),
+ no_msgs(),
+ monitor_nodes_all_comb(false),
+ MonNodeState = monitor_node_state(),
+ no_msgs(),
+ ok.
monitor_nodes_all_comb(Flag) ->
- ?line ok = net_kernel:monitor_nodes(Flag),
- ?line ok = net_kernel:monitor_nodes(Flag,
- [nodedown_reason]),
- ?line ok = net_kernel:monitor_nodes(Flag,
- [{node_type, hidden}]),
- ?line ok = net_kernel:monitor_nodes(Flag,
- [{node_type, visible}]),
- ?line ok = net_kernel:monitor_nodes(Flag,
- [{node_type, all}]),
- ?line ok = net_kernel:monitor_nodes(Flag,
- [nodedown_reason,
- {node_type, hidden}]),
- ?line ok = net_kernel:monitor_nodes(Flag,
- [nodedown_reason,
- {node_type, visible}]),
- ?line ok = net_kernel:monitor_nodes(Flag,
- [nodedown_reason,
- {node_type, all}]),
+ ok = net_kernel:monitor_nodes(Flag),
+ ok = net_kernel:monitor_nodes(Flag,
+ [nodedown_reason]),
+ ok = net_kernel:monitor_nodes(Flag,
+ [{node_type, hidden}]),
+ ok = net_kernel:monitor_nodes(Flag,
+ [{node_type, visible}]),
+ ok = net_kernel:monitor_nodes(Flag,
+ [{node_type, all}]),
+ ok = net_kernel:monitor_nodes(Flag,
+ [nodedown_reason,
+ {node_type, hidden}]),
+ ok = net_kernel:monitor_nodes(Flag,
+ [nodedown_reason,
+ {node_type, visible}]),
+ ok = net_kernel:monitor_nodes(Flag,
+ [nodedown_reason,
+ {node_type, all}]),
%% There currently are 8 different combinations
- ?line 8.
+ 8.
receive_all_comb_nodeup_msgs(visible, Node) ->
- ?t:format("Receive nodeup visible...~n"),
+ io:format("Receive nodeup visible...~n"),
Exp = [{nodeup, Node},
{nodeup, Node, []}]
++ mk_exp_mn_all_comb_nodeup_msgs_common(visible, Node),
receive_mn_msgs(Exp),
- ?t:format("ok~n"),
+ io:format("ok~n"),
ok;
receive_all_comb_nodeup_msgs(hidden, Node) ->
- ?t:format("Receive nodeup hidden...~n"),
+ io:format("Receive nodeup hidden...~n"),
Exp = mk_exp_mn_all_comb_nodeup_msgs_common(hidden, Node),
receive_mn_msgs(Exp),
- ?t:format("ok~n"),
+ io:format("ok~n"),
ok.
mk_exp_mn_all_comb_nodeup_msgs_common(Type, Node) ->
@@ -1013,20 +1042,20 @@ mk_exp_mn_all_comb_nodeup_msgs_common(Type, Node) ->
{nodeup, Node, InfoNt}].
receive_all_comb_nodedown_msgs(visible, Node, Reason) ->
- ?t:format("Receive nodedown visible...~n"),
+ io:format("Receive nodedown visible...~n"),
Exp = [{nodedown, Node},
{nodedown, Node, [{nodedown_reason, Reason}]}]
++ mk_exp_mn_all_comb_nodedown_msgs_common(visible,
Node,
Reason),
receive_mn_msgs(Exp),
- ?t:format("ok~n"),
+ io:format("ok~n"),
ok;
receive_all_comb_nodedown_msgs(hidden, Node, Reason) ->
- ?t:format("Receive nodedown hidden...~n"),
+ io:format("Receive nodedown hidden...~n"),
Exp = mk_exp_mn_all_comb_nodedown_msgs_common(hidden, Node, Reason),
receive_mn_msgs(Exp),
- ?t:format("ok~n"),
+ io:format("ok~n"),
ok.
mk_exp_mn_all_comb_nodedown_msgs_common(Type, Node, Reason) ->
@@ -1040,81 +1069,73 @@ mk_exp_mn_all_comb_nodedown_msgs_common(Type, Node, Reason) ->
receive_mn_msgs([]) ->
ok;
receive_mn_msgs(Msgs) ->
- ?t:format("Expecting msgs: ~p~n", [Msgs]),
+ io:format("Expecting msgs: ~p~n", [Msgs]),
receive
{_Dir, _Node} = Msg ->
- ?t:format("received ~p~n", [Msg]),
+ io:format("received ~p~n", [Msg]),
case lists:member(Msg, Msgs) of
true -> receive_mn_msgs(lists:delete(Msg, Msgs));
- false -> ?t:fail({unexpected_message, Msg,
+ false -> ct:fail({unexpected_message, Msg,
expected_messages, Msgs})
end;
{Dir, Node, Info} ->
Msg = {Dir, Node, lists:sort(Info)},
- ?t:format("received ~p~n", [Msg]),
+ io:format("received ~p~n", [Msg]),
case lists:member(Msg, Msgs) of
true -> receive_mn_msgs(lists:delete(Msg, Msgs));
- false -> ?t:fail({unexpected_message, Msg,
+ false -> ct:fail({unexpected_message, Msg,
expected_messages, Msgs})
end;
Msg ->
- ?t:format("received ~p~n", [Msg]),
- ?t:fail({unexpected_message, Msg,
+ io:format("received ~p~n", [Msg]),
+ ct:fail({unexpected_message, Msg,
expected_messages, Msgs})
end.
-monitor_nodes_cleanup(doc) ->
- [];
-monitor_nodes_cleanup(suite) ->
- [];
monitor_nodes_cleanup(Config) when is_list(Config) ->
- ?line MonNodeState = monitor_node_state(),
- ?line Me = self(),
- ?line No = monitor_nodes_all_comb(true),
- ?line Inf = spawn(fun () ->
- monitor_nodes_all_comb(true),
- Me ! {mons_set, self()},
- receive after infinity -> ok end
- end),
- ?line TO = spawn(fun () ->
- monitor_nodes_all_comb(true),
- Me ! {mons_set, self()},
- receive after 500 -> ok end
- end),
- ?line receive {mons_set, Inf} -> ok end,
- ?line receive {mons_set, TO} -> ok end,
- ?line MNLen = length(MonNodeState) + No*3,
- ?line MNLen = length(monitor_node_state()),
- ?line MonInf = erlang:monitor(process, Inf),
- ?line MonTO = erlang:monitor(process, TO),
- ?line exit(Inf, bang),
- ?line No = monitor_nodes_all_comb(false),
- ?line receive {'DOWN', MonInf, process, Inf, bang} -> ok end,
- ?line receive {'DOWN', MonTO, process, TO, normal} -> ok end,
- ?line MonNodeState = monitor_node_state(),
- ?line no_msgs(),
- ?line ok.
-
-monitor_nodes_many(doc) ->
- [];
-monitor_nodes_many(suite) ->
- [];
+ MonNodeState = monitor_node_state(),
+ Me = self(),
+ No = monitor_nodes_all_comb(true),
+ Inf = spawn(fun () ->
+ monitor_nodes_all_comb(true),
+ Me ! {mons_set, self()},
+ receive after infinity -> ok end
+ end),
+ TO = spawn(fun () ->
+ monitor_nodes_all_comb(true),
+ Me ! {mons_set, self()},
+ receive after 500 -> ok end
+ end),
+ receive {mons_set, Inf} -> ok end,
+ receive {mons_set, TO} -> ok end,
+ MNLen = length(MonNodeState) + No*3,
+ MNLen = length(monitor_node_state()),
+ MonInf = erlang:monitor(process, Inf),
+ MonTO = erlang:monitor(process, TO),
+ exit(Inf, bang),
+ No = monitor_nodes_all_comb(false),
+ receive {'DOWN', MonInf, process, Inf, bang} -> ok end,
+ receive {'DOWN', MonTO, process, TO, normal} -> ok end,
+ MonNodeState = monitor_node_state(),
+ no_msgs(),
+ ok.
+
monitor_nodes_many(Config) when is_list(Config) ->
- ?line MonNodeState = monitor_node_state(),
- ?line [Name] = get_nodenames(1, monitor_nodes_many),
+ MonNodeState = monitor_node_state(),
+ [Name] = get_nodenames(1, monitor_nodes_many),
%% We want to perform more than 2^16 net_kernel:monitor_nodes
%% since this will wrap an internal counter
- ?line No = (1 bsl 16) + 17,
- ?line repeat(fun () -> ok = net_kernel:monitor_nodes(true) end, No),
- ?line No = length(monitor_node_state()) - length(MonNodeState),
- ?line {ok, Node} = start_node(Name),
- ?line repeat(fun () -> receive {nodeup, Node} -> ok end end, No),
- ?line stop_node(Node),
- ?line repeat(fun () -> receive {nodedown, Node} -> ok end end, No),
- ?line ok = net_kernel:monitor_nodes(false),
- ?line no_msgs(10),
- ?line MonNodeState = monitor_node_state(),
- ?line ok.
+ No = (1 bsl 16) + 17,
+ repeat(fun () -> ok = net_kernel:monitor_nodes(true) end, No),
+ No = length(monitor_node_state()) - length(MonNodeState),
+ {ok, Node} = start_node(Name),
+ repeat(fun () -> receive {nodeup, Node} -> ok end end, No),
+ stop_node(Node),
+ repeat(fun () -> receive {nodedown, Node} -> ok end end, No),
+ ok = net_kernel:monitor_nodes(false),
+ no_msgs(10),
+ MonNodeState = monitor_node_state(),
+ ok.
%% Misc. functions
@@ -1126,72 +1147,45 @@ monitor_node_state() ->
check_no_nodedown_nodeup(TimeOut) ->
- ?line receive
- {nodeup, _, _} = Msg -> ?line ?t:fail({unexpected_nodeup, Msg});
- {nodeup, _} = Msg -> ?line ?t:fail({unexpected_nodeup, Msg});
- {nodedown, _, _} = Msg -> ?line ?t:fail({unexpected_nodedown, Msg});
- {nodedown, _} = Msg -> ?line ?t:fail({unexpected_nodedown, Msg})
- after TimeOut ->
- ok
- end.
+ receive
+ {nodeup, _, _} = Msg -> ct:fail({unexpected_nodeup, Msg});
+ {nodeup, _} = Msg -> ct:fail({unexpected_nodeup, Msg});
+ {nodedown, _, _} = Msg -> ct:fail({unexpected_nodedown, Msg});
+ {nodedown, _} = Msg -> ct:fail({unexpected_nodedown, Msg})
+ after TimeOut ->
+ ok
+ end.
print_my_messages() ->
- ?line {messages, Messages} = process_info(self(), messages),
- ?line ?t:format("Messages: ~p~n", [Messages]),
- ?line ok.
-
-%% Time difference in milliseconds !!
-time_diff({TimeM, TimeS, TimeU}, {CurM, CurS, CurU}) when CurM > TimeM ->
- ((CurM - TimeM) * 1000000000) + sec_diff({TimeS, TimeU}, {CurS, CurU});
-time_diff({_, TimeS, TimeU}, {_, CurS, CurU}) ->
- sec_diff({TimeS, TimeU}, {CurS, CurU}).
-
-sec_diff({TimeS, TimeU}, {CurS, CurU}) when CurS > TimeS ->
- ((CurS - TimeS) * 1000) + micro_diff(TimeU, CurU);
-sec_diff({_, TimeU}, {_, CurU}) ->
- micro_diff(TimeU, CurU).
+ {messages, Messages} = process_info(self(), messages),
+ io:format("Messages: ~p~n", [Messages]),
+ ok.
-micro_diff(TimeU, CurU) ->
- trunc(CurU/1000) - trunc(TimeU/1000).
sleep(T) -> receive after T * 1000 -> ok end.
start_node(Name, Param, this) ->
NewParam = Param ++ " -pa " ++ filename:dirname(code:which(?MODULE)),
- ?t:start_node(Name, peer, [{args, NewParam}, {erl, [this]}]);
+ test_server:start_node(Name, peer, [{args, NewParam}, {erl, [this]}]);
start_node(Name, Param, "this") ->
NewParam = Param ++ " -pa " ++ filename:dirname(code:which(?MODULE)),
- ?t:start_node(Name, peer, [{args, NewParam}, {erl, [this]}]);
+ test_server:start_node(Name, peer, [{args, NewParam}, {erl, [this]}]);
start_node(Name, Param, Rel) when is_atom(Rel) ->
NewParam = Param ++ " -pa " ++ filename:dirname(code:which(?MODULE)),
- ?t:start_node(Name, peer, [{args, NewParam}, {erl, [{release, atom_to_list(Rel)}]}]);
+ test_server:start_node(Name, peer, [{args, NewParam}, {erl, [{release, atom_to_list(Rel)}]}]);
start_node(Name, Param, Rel) when is_list(Rel) ->
NewParam = Param ++ " -pa " ++ filename:dirname(code:which(?MODULE)),
- ?t:start_node(Name, peer, [{args, NewParam}, {erl, [{release, Rel}]}]).
+ test_server:start_node(Name, peer, [{args, NewParam}, {erl, [{release, Rel}]}]).
start_node(Name, Param) ->
NewParam = Param ++ " -pa " ++ filename:dirname(code:which(?MODULE)),
- ?t:start_node(Name, slave, [{args, NewParam}]).
-% M = list_to_atom(from($@, atom_to_list(node()))),
-% slave:start_link(M, Name, Param).
+ test_server:start_node(Name, slave, [{args, NewParam}]).
start_node(Name) ->
start_node(Name, "").
stop_node(Node) ->
- ?t:stop_node(Node).
-% erlang:monitor_node(Node, true),
-% rpc:cast(Node, init, stop, []),
-% receive
-% {nodedown, Node} ->
-% ok
-% after 10000 ->
-% test_server:fail({stop_node, Node})
-% end.
-
-% from(H, [H | T]) -> T;
-% from(H, [_ | T]) -> from(H, T);
-% from(H, []) -> [].
+ test_server:stop_node(Node).
get_nodenames(N, T) ->
get_nodenames(N, T, []).
@@ -1199,16 +1193,12 @@ get_nodenames(N, T) ->
get_nodenames(0, _, Acc) ->
Acc;
get_nodenames(N, T, Acc) ->
- {A, B, C} = now(),
+ U = erlang:unique_integer([positive]),
get_nodenames(N-1, T, [list_to_atom(atom_to_list(T)
++ "-"
- ++ atom_to_list(?MODULE)
+ ++ ?MODULE_STRING
++ "-"
- ++ integer_to_list(A)
- ++ "-"
- ++ integer_to_list(B)
- ++ "-"
- ++ integer_to_list(C)) | Acc]).
+ ++ integer_to_list(U)) | Acc]).
get_numbered_nodenames(N, T) ->
get_numbered_nodenames(N, T, []).
@@ -1216,16 +1206,12 @@ get_numbered_nodenames(N, T) ->
get_numbered_nodenames(0, _, Acc) ->
Acc;
get_numbered_nodenames(N, T, Acc) ->
- {A, B, C} = now(),
+ U = erlang:unique_integer([positive]),
NL = [list_to_atom(atom_to_list(T) ++ integer_to_list(N)
++ "-"
- ++ atom_to_list(?MODULE)
- ++ "-"
- ++ integer_to_list(A)
- ++ "-"
- ++ integer_to_list(B)
+ ++ ?MODULE_STRING
++ "-"
- ++ integer_to_list(C)) | Acc],
+ ++ integer_to_list(U)) | Acc],
get_numbered_nodenames(N-1, T, NL).
wait_until(Fun) ->