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%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 1996-2009. 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/.
%%
%% 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.
%%
%% %CopyrightEnd%
%%
-module(kernel_config_SUITE).
-include("test_server.hrl").
-export([all/1, sync/1]).
-export([init/1, fini/1]).
all(suite) ->
[{conf, init, [sync], fini}].
init(doc) -> [];
init(suite) -> [];
init(Config) when is_list(Config) ->
Config.
fini(doc) -> [];
fini(suite) -> [];
fini(Config) when is_list(Config) ->
stop_node(init_test),
Config.
config(Fd) ->
M = from($@, atom_to_list(node())),
io:format(Fd, "[{kernel, [{sync_nodes_optional, ['cp1@~s','cp2@~s']},"
"{sync_nodes_timeout, 15000}]}].~n",
[M, M]).
from(H, [H | T]) -> T;
from(H, [_ | T]) -> from(H, T);
from(_, []) -> [].
%%-----------------------------------------------------------------
%% Test suite for sync_nodes. This is quite tricky.
%%
%% Should be started in a CC view with:
%% erl -sname XXX where XX not in [cp1, cp2]
%%-----------------------------------------------------------------
sync(doc) -> [];
sync(suite) -> [];
sync(Conf) when list(Conf) ->
?line Dog = ?t:timetrap(?t:seconds(120)),
% Write a config file
Dir = ?config(priv_dir,Conf),
{ok, Fd} = file:open(Dir ++ "sys.config", [write]),
config(Fd),
file:close(Fd),
Config = Dir ++ "sys",
%% Reset wall_clock
{T1,_} = erlang:statistics(wall_clock),
io:format("~p~n", [{t1, T1}]),
?line Command = lists:concat([lib:progname(),
" -detached -sname cp1 ",
"-config ", Config,
" -env ERL_CRASH_DUMP erl_crash_dump.cp1"]),
io:format("Command: ~s", [Command]),
?line open_port({spawn, Command}, [stream]),
io:format("started~n"),
?line ?t:sleep(12000),
io:format("waited12~n"),
?line Host = from($@, atom_to_list(node())),
?line Cp1 = list_to_atom("cp1@"++Host),
?line wait_for_node(Cp1),
io:format("waitednode~n"),
%% Check time since last call
?line {TT, T} = erlang:statistics(wall_clock),
io:format("~p~n", [{t2, {TT, T}}]),
?line stop_node(cp1),
if
TT-T1 < 15000 -> ?line ?t:fail({too_short_time, TT-T1});
true -> ok
end,
?line ?t:timetrap_cancel(Dog),
ok.
wait_for_node(Node) ->
case rpc:call(Node, init, get_status, []) of
{started,_} -> ok;
{badrpc, R} -> ?line ?t:fail({rpc_failed, R});
_Other -> wait_for_node(Node)
end.
stop_node(Node) ->
M = list_to_atom(lists:concat([Node,
[$@],
from($@,atom_to_list(node()))])),
rpc:cast(M, erlang, halt, []).
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