%% %% %CopyrightBegin% %% %% Copyright Ericsson AB 1998-2016. All Rights Reserved. %% %% 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 %% %% 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(global_group_SUITE). -export([all/0, suite/0,groups/0,init_per_group/2,end_per_group/2, init_per_suite/1, end_per_suite/1]). -export([start_gg_proc/1, no_gg_proc/1, no_gg_proc_sync/1, compatible/1, one_grp/1, one_grp_x/1, two_grp/1, hidden_groups/1, test_exit/1]). -export([init/1, init/2, init2/2, start_proc/1, start_proc_rereg/1]). -export([init_per_testcase/2, end_per_testcase/2]). %%-compile(export_all). -include_lib("common_test/include/ct.hrl"). -define(NODES, [node()|nodes()]). -define(UNTIL(Seq), loop_until_true(fun() -> Seq end)). suite() -> [{ct_hooks,[ts_install_cth]}, {timetrap,{minutes,5}}]. all() -> [start_gg_proc, no_gg_proc, no_gg_proc_sync, compatible, one_grp, one_grp_x, two_grp, test_exit, hidden_groups]. groups() -> []. init_per_group(_GroupName, Config) -> Config. end_per_group(_GroupName, Config) -> Config. init_per_suite(Config) -> %% Copied from test_server_ctrl ln 647, we have to do this here as %% the test_server only does this when run without common_test global:sync(), case global:whereis_name(test_server) of undefined -> io:format(user, "Registering test_server globally!~n",[]), global:register_name(test_server, whereis(test_server_ctrl)); Pid -> case node() of N when N == node(Pid) -> io:format(user, "Warning: test_server already running!\n", []), global:re_register_name(test_server,self()); _ -> ok end end, Config. end_per_suite(_Config) -> global:unregister_name(test_server), ok. -define(TESTCASE, testcase_name). -define(testcase, proplists:get_value(?TESTCASE, Config)). init_per_testcase(Case, Config) -> Config. end_per_testcase(_Func, _Config) -> ok. %%----------------------------------------------------------------- %% Test suites for global groups. %% Should be started in a CC view with: %% erl -sname XXX -rsh ctrsh where XXX not in [cp1 .. cpN] %%----------------------------------------------------------------- %% Check that the global_group processes are started automatically. . start_gg_proc(Config) when is_list(Config) -> Dir = proplists:get_value(priv_dir, Config), File = filename:join(Dir, "global_group.config"), {ok, Fd}=file:open(File, [write]), [Ncp1,Ncp2,Ncp3] = node_names([cp1, cp2, cp3], Config), config(Fd, Ncp1, Ncp2, Ncp3, "cpx", "cpy", "cpz", "cpq"), Cp1nn = node_at(Ncp1), Cp2nn = node_at(Ncp2), Cp3nn = node_at(Ncp3), {ok, Cp1} = start_node(Ncp1, Config), {ok, Cp2} = start_node(Ncp2, Config), {ok, Cp3} = start_node(Ncp3, Config), [] = rpc:call(Cp1, global_group, registered_names, [{node, Cp1nn}]), [] = rpc:call(Cp2, global_group, registered_names, [{node, Cp2nn}]), [] = rpc:call(Cp3, global_group, registered_names, [{node, Cp3nn}]), %% stop the nodes, and make sure names are released. stop_node(Cp1), stop_node(Cp2), stop_node(Cp3), ?UNTIL(undefined =:= global:whereis_name(test)), ok. %% Start a system without global groups. Nodes are not %% synced at start (sync_nodes_optional is not defined). no_gg_proc(Config) when is_list(Config) -> Dir = proplists:get_value(priv_dir, Config), File = filename:join(Dir, "no_global_group.config"), {ok, Fd} = file:open(File, [write]), config_no(Fd), NN = node_name(atom_to_list(node())), Cp1nn = list_to_atom("cp1@" ++ NN), Cp2nn = list_to_atom("cp2@" ++ NN), Cp3nn = list_to_atom("cp3@" ++ NN), Cpxnn = list_to_atom("cpx@" ++ NN), Cpynn = list_to_atom("cpy@" ++ NN), Cpznn = list_to_atom("cpz@" ++ NN), {ok, Cp1} = start_node_no(cp1, Config), {ok, Cp2} = start_node_no(cp2, Config), {ok, Cp3} = start_node_no(cp3, Config), {ok, Cpx} = start_node_no(cpx, Config), {ok, Cpy} = start_node_no(cpy, Config), {ok, Cpz} = start_node_no(cpz, Config), %% let the nodes know of each other pong = rpc:call(Cp1, net_adm, ping, [Cp2nn]), pong = rpc:call(Cp2, net_adm, ping, [Cp3nn]), pong = rpc:call(Cp3, net_adm, ping, [Cpxnn]), pong = rpc:call(Cpx, net_adm, ping, [Cpynn]), pong = rpc:call(Cpy, net_adm, ping, [Cpznn]), wait_for_ready_net(), [test_server] = rpc:call(Cp1, global_group, registered_names, [{node, Cp1nn}]), [test_server] = rpc:call(Cp2, global_group, registered_names, [{node, Cp2nn}]), [test_server] = rpc:call(Cp3, global_group, registered_names, [{node, Cp3nn}]), [test_server] = rpc:call(Cp1, global_group, registered_names, [{node, Cpxnn}]), [test_server] = rpc:call(Cp2, global_group, registered_names, [{node, Cpynn}]), [test_server] = rpc:call(Cp3, global_group, registered_names, [{node, Cpznn}]), %% start a proc and register it {Pid2, yes} = rpc:call(Cp2, ?MODULE, start_proc, [test2]), RegNames = lists:sort([test2,test_server]), RegNames = lists:sort( rpc:call(Cp1, global_group, registered_names, [{node, Cp1nn}])), RegNames = lists:sort( rpc:call(Cp2, global_group, registered_names, [{node, Cp2nn}])), RegNames = lists:sort( rpc:call(Cp3, global_group, registered_names, [{node, Cp3nn}])), RegNames = lists:sort( rpc:call(Cp1, global_group, registered_names, [{node, Cpxnn}])), RegNames = lists:sort( rpc:call(Cp2, global_group, registered_names, [{node, Cpynn}])), RegNames = lists:sort( rpc:call(Cp3, global_group, registered_names, [{node, Cpznn}])), undefined = rpc:call(Cp3, global_group, global_groups, []), Own_nodes_should = [node(), Cp1nn, Cp2nn, Cp3nn, Cpxnn, Cpynn, Cpznn], Own_nodes = rpc:call(Cp3, global_group, own_nodes, []), [] = (Own_nodes -- Own_nodes_should), [] = (Own_nodes_should -- Own_nodes), Pid2 = rpc:call(Cp1, global_group, send, [test2, {ping, self()}]), receive {pong, Cp2} -> ok after 2000 -> ct:fail(timeout2) end, Pid2 = rpc:call(Cp2, global_group, send, [test2, {ping, self()}]), receive {pong, Cp2} -> ok after 2000 -> ct:fail(timeout3) end, Pid2 = rpc:call(Cpz, global_group, send, [test2, {ping, self()}]), receive {pong, Cp2} -> ok after 2000 -> ct:fail(timeout4) end, %% start a proc and register it {PidX, yes} = rpc:call(Cpx, ?MODULE, start_proc, [test]), %%------------------------------------ %% Test monitor nodes %%------------------------------------ Pid2 = rpc:call(Cp1, global_group, send, [{node, Cp2nn}, test2, monitor]), PidX = rpc:call(Cpx, global_group, send, [{node, Cpxnn}, test, monitor]), %% Kill node Cp1 Pid2 = rpc:call(Cp2, global_group, send, [{node, Cp2nn}, test2, {wait_nodedown, Cp1}]), PidX = rpc:call(Cpx, global_group, send, [{node, Cpxnn}, test, {wait_nodedown, Cp1}]), ct:sleep(100), stop_node(Cp1), ct:sleep(1000), ok = assert_loop(Cp2, Cp2nn, test2, Pid2, loop), ok = assert_loop(Cpx, Cpxnn, test, PidX, loop), %% Kill node Cpz Pid2 = rpc:call(Cp2, global_group, send, [{node, Cp2nn}, test2, {wait_nodedown, Cpz}]), PidX = rpc:call(Cpx, global_group, send, [{node, Cpxnn}, test, {wait_nodedown, Cpz}]), ct:sleep(100), stop_node(Cpz), ct:sleep(1000), ok = assert_loop(Cp2, Cp2nn, test2, Pid2, loop), ok = assert_loop(Cpx, Cpxnn, test, PidX, loop), %% Restart node Cp1 Pid2 = rpc:call(Cp2, global_group, send, [{node, Cp2nn}, test2, {wait_nodeup, Cp1}]), PidX = rpc:call(Cpx, global_group, send, [{node, Cpxnn}, test, {wait_nodeup, Cp1}]), {ok, Cp1} = start_node_no(cp1, Config), pong = rpc:call(Cp2, net_adm, ping, [Cp1nn]), pong = rpc:call(Cpx, net_adm, ping, [Cp1nn]), wait_for_ready_net(), ok = assert_loop(Cp2, Cp2nn, test2, Pid2, loop), ok = assert_loop(Cpx, Cpxnn, test, PidX, loop), %% Restart node Cpz Pid2 = rpc:call(Cp2, global_group, send, [{node, Cp2nn}, test2, {wait_nodeup, Cpz}]), PidX = rpc:call(Cpx, global_group, send, [{node, Cpxnn}, test, {wait_nodeup, Cpz}]), {ok, Cpz} = start_node_no(cpz, Config), pong = rpc:call(Cp2, net_adm, ping, [Cpznn]), pong = rpc:call(Cpx, net_adm, ping, [Cpznn]), wait_for_ready_net(), ok = assert_loop(Cp2, Cp2nn, test2, Pid2, loop), ok = assert_loop(Cpx, Cpxnn, test, PidX, loop), %% stop the nodes, and make sure names are released. stop_node(Cp1), stop_node(Cp2), stop_node(Cp3), stop_node(Cpx), stop_node(Cpy), stop_node(Cpz), ?UNTIL(undefined =:= global:whereis_name(test)), ok. %% Start a system without global groups, but syncing the nodes by using %% sync_nodes_optional. no_gg_proc_sync(Config) when is_list(Config) -> Dir = proplists:get_value(priv_dir, Config), File = filename:join(Dir, "no_global_group_sync.config"), {ok, Fd} = file:open(File, [write]), [Ncp1,Ncp2,Ncp3,Ncpx,Ncpy,Ncpz] = node_names([cp1,cp2,cp3,cpx,cpy,cpz], Config), config_sync(Fd, Ncp1, Ncp2, Ncp3, Ncpx, Ncpy, Ncpz), Cp1nn = node_at(Ncp1), Cp2nn = node_at(Ncp2), Cp3nn = node_at(Ncp3), Cpxnn = node_at(Ncpx), Cpynn = node_at(Ncpy), Cpznn = node_at(Ncpz), {ok, Cp1} = start_node_no2(Ncp1, Config), {ok, Cp2} = start_node_no2(Ncp2, Config), {ok, Cp3} = start_node_no2(Ncp3, Config), {ok, Cpx} = start_node_no2(Ncpx, Config), {ok, Cpy} = start_node_no2(Ncpy, Config), {ok, Cpz} = start_node_no2(Ncpz, Config), %% let the nodes know of each other pong = rpc:call(Cp1, net_adm, ping, [Cp2nn]), pong = rpc:call(Cp2, net_adm, ping, [Cp3nn]), pong = rpc:call(Cp3, net_adm, ping, [Cpxnn]), pong = rpc:call(Cpx, net_adm, ping, [Cpynn]), pong = rpc:call(Cpy, net_adm, ping, [Cpznn]), wait_for_ready_net(), [test_server] = rpc:call(Cp1, global_group, registered_names, [{node, Cp1nn}]), [test_server] = rpc:call(Cp2, global_group, registered_names, [{node, Cp2nn}]), [test_server] = rpc:call(Cp3, global_group, registered_names, [{node, Cp3nn}]), [test_server] = rpc:call(Cp1, global_group, registered_names, [{node, Cpxnn}]), [test_server] = rpc:call(Cp2, global_group, registered_names, [{node, Cpynn}]), [test_server] = rpc:call(Cp3, global_group, registered_names, [{node, Cpznn}]), %% start a proc and register it {Pid2, yes} = rpc:call(Cp2, ?MODULE, start_proc, [test2]), RegNames = lists:sort([test2,test_server]), RegNames = lists:sort( rpc:call(Cp1, global_group, registered_names, [{node, Cp1nn}])), RegNames = lists:sort( rpc:call(Cp2, global_group, registered_names, [{node, Cp2nn}])), RegNames = lists:sort( rpc:call(Cp3, global_group, registered_names, [{node, Cp3nn}])), RegNames = lists:sort( rpc:call(Cp1, global_group, registered_names, [{node, Cpxnn}])), RegNames = lists:sort( rpc:call(Cp2, global_group, registered_names, [{node, Cpynn}])), RegNames = lists:sort( rpc:call(Cp3, global_group, registered_names, [{node, Cpznn}])), undefined = rpc:call(Cp3, global_group, global_groups, []), Own_nodes_should = [node(), Cp1nn, Cp2nn, Cp3nn, Cpxnn, Cpynn, Cpznn], Own_nodes = rpc:call(Cp3, global_group, own_nodes, []), [] = (Own_nodes -- Own_nodes_should), [] = (Own_nodes_should -- Own_nodes), Pid2 = rpc:call(Cp1, global_group, send, [test2, {ping, self()}]), receive {pong, Cp2} -> ok after 2000 -> ct:fail(timeout2) end, Pid2 = rpc:call(Cp2, global_group, send, [test2, {ping, self()}]), receive {pong, Cp2} -> ok after 2000 -> ct:fail(timeout3) end, Pid2 = rpc:call(Cpz, global_group, send, [test2, {ping, self()}]), receive {pong, Cp2} -> ok after 2000 -> ct:fail(timeout4) end, %% start a proc and register it {PidX, yes} = rpc:call(Cpx, ?MODULE, start_proc, [test]), %%------------------------------------ %% Test monitor nodes %%------------------------------------ Pid2 = rpc:call(Cp1, global_group, send, [{node, Cp2nn}, test2, monitor]), PidX = rpc:call(Cpx, global_group, send, [{node, Cpxnn}, test, monitor]), %% Kill node Cp1 Pid2 = rpc:call(Cp2, global_group, send, [{node, Cp2nn}, test2, {wait_nodedown, Cp1}]), PidX = rpc:call(Cpx, global_group, send, [{node, Cpxnn}, test, {wait_nodedown, Cp1}]), ct:sleep(100), stop_node(Cp1), ct:sleep(1000), ok = assert_loop(Cp2, Cp2nn, test2, Pid2, loop), ok = assert_loop(Cpx, Cpxnn, test, PidX, loop), %% Kill node Cpz Pid2 = rpc:call(Cp2, global_group, send, [{node, Cp2nn}, test2, {wait_nodedown, Cpz}]), PidX = rpc:call(Cpx, global_group, send, [{node, Cpxnn}, test, {wait_nodedown, Cpz}]), ct:sleep(100), stop_node(Cpz), ct:sleep(1000), ok = assert_loop(Cp2, Cp2nn, test2, Pid2, loop), ok = assert_loop(Cpx, Cpxnn, test, PidX, loop), %% Restart node Cp1 Pid2 = rpc:call(Cp2, global_group, send, [{node, Cp2nn}, test2, {wait_nodeup, Cp1}]), PidX = rpc:call(Cpx, global_group, send, [{node, Cpxnn}, test, {wait_nodeup, Cp1}]), {ok, Cp1} = start_node_no2(Ncp1, Config), pong = rpc:call(Cp2, net_adm, ping, [Cp1nn]), pong = rpc:call(Cpx, net_adm, ping, [Cp1nn]), wait_for_ready_net(), ok = assert_loop(Cp2, Cp2nn, test2, Pid2, loop), ok = assert_loop(Cpx, Cpxnn, test, PidX, loop), %% Restart node Cpz Pid2 = rpc:call(Cp2, global_group, send, [{node, Cp2nn}, test2, {wait_nodeup, Cpz}]), PidX = rpc:call(Cpx, global_group, send, [{node, Cpxnn}, test, {wait_nodeup, Cpz}]), {ok, Cpz} = start_node_no2(Ncpz, Config), pong = rpc:call(Cp2, net_adm, ping, [Cpznn]), pong = rpc:call(Cpx, net_adm, ping, [Cpznn]), wait_for_ready_net(), ok = assert_loop(Cp2, Cp2nn, test2, Pid2, loop), ok = assert_loop(Cpx, Cpxnn, test, PidX, loop), %% stop the nodes, and make sure names are released. stop_node(Cp1), stop_node(Cp2), stop_node(Cp3), stop_node(Cpx), stop_node(Cpy), stop_node(Cpz), ?UNTIL(undefined =:= global:whereis_name(test)), ok. %% Check that a system without global groups is compatible with the old R4 system. compatible(Config) when is_list(Config) -> Dir = proplists:get_value(priv_dir, Config), File = filename:join(Dir, "global_group_comp.config"), {ok, Fd} = file:open(File, [write]), [Ncp1,Ncp2,Ncp3,Ncpx,Ncpy,Ncpz] = node_names([cp1,cp2,cp3,cpx,cpy,cpz], Config), config_comp(Fd, Ncp1, Ncp2, Ncp3, Ncpx, Ncpy, Ncpz), Cp1nn = node_at(Ncp1), Cp2nn = node_at(Ncp2), Cp3nn = node_at(Ncp3), Cpxnn = node_at(Ncpx), Cpynn = node_at(Ncpy), Cpznn = node_at(Ncpz), {ok, Cp1} = start_node_comp(Ncp1, Config), {ok, Cp2} = start_node_comp(Ncp2, Config), {ok, Cp3} = start_node_comp(Ncp3, Config), {ok, Cpx} = start_node_comp(Ncpx, Config), {ok, Cpy} = start_node_comp(Ncpy, Config), {ok, Cpz} = start_node_comp(Ncpz, Config), %% let the nodes know of each other pong = rpc:call(Cp1, net_adm, ping, [Cp2nn]), pong = rpc:call(Cp2, net_adm, ping, [Cp3nn]), pong = rpc:call(Cp3, net_adm, ping, [Cpxnn]), pong = rpc:call(Cpx, net_adm, ping, [Cpynn]), pong = rpc:call(Cpy, net_adm, ping, [Cpznn]), wait_for_ready_net(), [test_server] = rpc:call(Cp1, global_group, registered_names, [{node, Cp1nn}]), [test_server] = rpc:call(Cp2, global_group, registered_names, [{node, Cp2nn}]), [test_server] = rpc:call(Cp3, global_group, registered_names, [{node, Cp3nn}]), [test_server] = rpc:call(Cp1, global_group, registered_names, [{node, Cpxnn}]), [test_server] = rpc:call(Cp2, global_group, registered_names, [{node, Cpynn}]), [test_server] = rpc:call(Cp3, global_group, registered_names, [{node, Cpznn}]), %% start a proc and register it {Pid2, yes} = rpc:call(Cp2, ?MODULE, start_proc, [test2]), RegNames = lists:sort([test2,test_server]), RegNames = lists:sort( rpc:call(Cp1, global_group, registered_names, [{node, Cp1nn}])), RegNames = lists:sort( rpc:call(Cp2, global_group, registered_names, [{node, Cp2nn}])), RegNames = lists:sort( rpc:call(Cp3, global_group, registered_names, [{node, Cp3nn}])), RegNames = lists:sort( rpc:call(Cp1, global_group, registered_names, [{node, Cpxnn}])), RegNames = lists:sort( rpc:call(Cp2, global_group, registered_names, [{node, Cpynn}])), RegNames = lists:sort( rpc:call(Cp3, global_group, registered_names, [{node, Cpznn}])), undefined = rpc:call(Cp3, global_group, global_groups, []), Own_nodes_should = [node(), Cp1nn, Cp2nn, Cp3nn, Cpxnn, Cpynn, Cpznn], Own_nodes = rpc:call(Cp3, global_group, own_nodes, []), [] = (Own_nodes -- Own_nodes_should), [] = (Own_nodes_should -- Own_nodes), Pid2 = rpc:call(Cp1, global_group, send, [test2, {ping, self()}]), receive {pong, Cp2} -> ok after 2000 -> ct:fail(timeout2) end, Pid2 = rpc:call(Cp2, global_group, send, [test2, {ping, self()}]), receive {pong, Cp2} -> ok after 2000 -> ct:fail(timeout3) end, Pid2 = rpc:call(Cpz, global_group, send, [test2, {ping, self()}]), receive {pong, Cp2} -> ok after 2000 -> ct:fail(timeout4) end, %% start a proc and register it {PidX, yes} = rpc:call(Cpx, ?MODULE, start_proc, [test]), %%------------------------------------ %% Test monitor nodes %%------------------------------------ Pid2 = rpc:call(Cp1, global_group, send, [{node, Cp2nn}, test2, monitor]), PidX = rpc:call(Cpx, global_group, send, [{node, Cpxnn}, test, monitor]), %% Kill node Cp1 Pid2 = rpc:call(Cp2, global_group, send, [{node, Cp2nn}, test2, {wait_nodedown, Cp1}]), PidX = rpc:call(Cpx, global_group, send, [{node, Cpxnn}, test, {wait_nodedown, Cp1}]), ct:sleep(100), stop_node(Cp1), ct:sleep(1000), ok = assert_loop(Cp2, Cp2nn, test2, Pid2, loop), ok = assert_loop(Cpx, Cpxnn, test, PidX, loop), %% Kill node Cpz Pid2 = rpc:call(Cp2, global_group, send, [{node, Cp2nn}, test2, {wait_nodedown, Cpz}]), PidX = rpc:call(Cpx, global_group, send, [{node, Cpxnn}, test, {wait_nodedown, Cpz}]), ct:sleep(100), stop_node(Cpz), ct:sleep(1000), ok = assert_loop(Cp2, Cp2nn, test2, Pid2, loop), ok = assert_loop(Cpx, Cpxnn, test, PidX, loop), %% Restart node Cp1 Pid2 = rpc:call(Cp2, global_group, send, [{node, Cp2nn}, test2, {wait_nodeup, Cp1}]), PidX = rpc:call(Cpx, global_group, send, [{node, Cpxnn}, test, {wait_nodeup, Cp1}]), {ok, Cp1} = start_node_comp(Ncp1, Config), pong = rpc:call(Cp2, net_adm, ping, [Cp1nn]), pong = rpc:call(Cpx, net_adm, ping, [Cp1nn]), wait_for_ready_net(), ok = assert_loop(Cp2, Cp2nn, test2, Pid2, loop), ok = assert_loop(Cpx, Cpxnn, test, PidX, loop), %% Restart node Cpz Pid2 = rpc:call(Cp2, global_group, send, [{node, Cp2nn}, test2, {wait_nodeup, Cpz}]), PidX = rpc:call(Cpx, global_group, send, [{node, Cpxnn}, test, {wait_nodeup, Cpz}]), {ok, Cpz} = start_node_comp(Ncpz, Config), pong = rpc:call(Cp2, net_adm, ping, [Cpznn]), pong = rpc:call(Cpx, net_adm, ping, [Cpznn]), wait_for_ready_net(), ok = assert_loop(Cp2, Cp2nn, test2, Pid2, loop), ok = assert_loop(Cpx, Cpxnn, test, PidX, loop), %% stop the nodes, and make sure names are released. stop_node(Cp1), stop_node(Cp2), stop_node(Cp3), stop_node(Cpx), stop_node(Cpy), stop_node(Cpz), ?UNTIL(undefined =:= global:whereis_name(test)), ok. %% Test a system with only one global group. . one_grp(Config) when is_list(Config) -> Dir = proplists:get_value(priv_dir, Config), File = filename:join(Dir, "global_group.config"), {ok, Fd} = file:open(File, [write]), [Ncp1,Ncp2,Ncp3] = node_names([cp1, cp2, cp3], Config), config(Fd, Ncp1, Ncp2, Ncp3, "cpx", "cpy", "cpz", "cpq"), {ok, Cp1} = start_node(Ncp1, Config), {ok, Cp2} = start_node(Ncp2, Config), {ok, Cp3} = start_node(Ncp3, Config), %% sleep a while to make the global_group to sync... ct:sleep(1000), %% start a proc and register it {Pid, yes} = rpc:call(Cp1, ?MODULE, start_proc, [test]), %% test that it is registered at all nodes Pid = rpc:call(Cp1, global, whereis_name, [test]), Pid = rpc:call(Cp2, global, whereis_name, [test]), Pid = rpc:call(Cp3, global, whereis_name, [test]), %% try to register the same name no = rpc:call(Cp1, global, register_name, [test, self()]), %% let process exit, check that it is unregistered automatically Pid ! die, ?UNTIL(begin (undefined =:= rpc:call(Cp1, global, whereis_name, [test])) and (undefined =:= rpc:call(Cp2, global, whereis_name, [test])) and (undefined =:= rpc:call(Cp3, global, whereis_name, [test])) end), %% test re_register {Pid2, yes} = rpc:call(Cp1, ?MODULE, start_proc, [test]), Pid2 = rpc:call(Cp3, global, whereis_name, [test]), Pid3 = rpc:call(Cp3, ?MODULE, start_proc_rereg, [test]), Pid3 = rpc:call(Cp3, global, whereis_name, [test]), %% test sending rpc:call(Cp1, global, send, [test, {ping, self()}]), receive {pong, Cp3} -> ok after 2000 -> ct:fail(timeout1) end, rpc:call(Cp3, global, send, [test, {ping, self()}]), receive {pong, Cp3} -> ok after 2000 -> ct:fail(timeout2) end, rpc:call(Cp3, global, unregister_name, [test]), undefined = rpc:call(Cp1, global, whereis_name, [test]), undefined = rpc:call(Cp2, global, whereis_name, [test]), undefined = rpc:call(Cp3, global, whereis_name, [test]), Pid3 ! die, ?UNTIL(undefined =:= rpc:call(Cp3, global, whereis_name, [test])), %% register a proc {_, yes} = rpc:call(Cp3, ?MODULE, start_proc, [test]), %% stop the nodes, and make sure names are released. stop_node(Cp3), ?UNTIL(undefined =:= rpc:call(Cp1, global, whereis_name, [test])), Pid2 ! die, stop_node(Cp1), stop_node(Cp2), ok. %% Check a system with only one global group. %% Start the nodes with different time intervals. one_grp_x(Config) when is_list(Config) -> Dir = proplists:get_value(priv_dir, Config), File = filename:join(Dir, "global_group.config"), {ok, Fd} = file:open(File, [write]), [Ncp1,Ncp2,Ncp3] = node_names([cp1, cp2, cp3], Config), config(Fd, Ncp1, Ncp2, Ncp3, "cpx", "cpy", "cpz", "cpq"), {ok, Cp1} = start_node(Ncp1, Config), %% sleep a while to make the global_group to sync... ct:sleep(1000), %% start a proc and register it {Pid, yes} = rpc:call(Cp1, ?MODULE, start_proc, [test]), {ok, Cp2} = start_node(Ncp2, Config), %% sleep a while to make the global_group to sync... ct:sleep(1000), %% test that it is registered at all nodes Pid = rpc:call(Cp1, global, whereis_name, [test]), Pid = rpc:call(Cp2, global, whereis_name, [test]), {ok, Cp3} = start_node(Ncp3, Config), %% sleep a while to make the global_group to sync... ct:sleep(1000), Pid = rpc:call(Cp3, global, whereis_name, [test]), %% try to register the same name no = rpc:call(Cp1, global, register_name, [test, self()]), %% let process exit, check that it is unregistered automatically Pid ! die, ?UNTIL(begin (undefined =:= rpc:call(Cp1, global, whereis_name, [test])) and (undefined =:= rpc:call(Cp2, global, whereis_name, [test])) and (undefined =:= rpc:call(Cp3, global, whereis_name, [test])) end), %% test re_register {Pid2, yes} = rpc:call(Cp1, ?MODULE, start_proc, [test]), Pid2 = rpc:call(Cp3, global, whereis_name, [test]), Pid2 ! die, stop_node(Cp1), stop_node(Cp2), stop_node(Cp3), ok. %% Test a two global group system. . two_grp(Config) when is_list(Config) -> Dir = proplists:get_value(priv_dir, Config), File = filename:join(Dir, "global_group.config"), {ok, Fd} = file:open(File, [write]), [Ncp1,Ncp2,Ncp3,Ncpx,Ncpy,Ncpz,Ncpq] = node_names([cp1,cp2,cp3,cpx,cpy,cpz,cpq], Config), config(Fd, Ncp1, Ncp2, Ncp3, Ncpx, Ncpy, Ncpz, Ncpq), Cp1nn = node_at(Ncp1), Cp2nn = node_at(Ncp2), Cp3nn = node_at(Ncp3), Cpxnn = node_at(Ncpx), Cpynn = node_at(Ncpy), Cpznn = node_at(Ncpz), {ok, Cp1} = start_node(Ncp1, Config), {ok, Cp2} = start_node(Ncp2, Config), {ok, Cp3} = start_node(Ncp3, Config), {ok, Cpx} = start_node(Ncpx, Config), {ok, Cpy} = start_node(Ncpy, Config), {ok, Cpz} = start_node(Ncpz, Config), %% The groups (cpq not started): %% [{nc1, [cp1,cp2,cp3]}, {nc2, [cpx,cpy,cpz]}, {nc3, [cpq]}] %% sleep a while to make the global_groups to sync... ct:sleep(1000), %% check the global group names {nc1, [nc2, nc3]} = rpc:call(Cp1, global_group, global_groups, []), {nc1, [nc2, nc3]} = rpc:call(Cp2, global_group, global_groups, []), {nc1, [nc2, nc3]} = rpc:call(Cp3, global_group, global_groups, []), {nc2, [nc1, nc3]} = rpc:call(Cpx, global_group, global_groups, []), {nc2, [nc1, nc3]} = rpc:call(Cpy, global_group, global_groups, []), {nc2, [nc1, nc3]} = rpc:call(Cpz, global_group, global_groups, []), %% check the global group nodes [Cp1nn, Cp2nn, Cp3nn] = rpc:call(Cp1, global_group, own_nodes, []), [Cp1nn, Cp2nn, Cp3nn] = rpc:call(Cp2, global_group, own_nodes, []), [Cp1nn, Cp2nn, Cp3nn] = rpc:call(Cp3, global_group, own_nodes, []), [Cpxnn, Cpynn, Cpznn] = rpc:call(Cpx, global_group, own_nodes, []), [Cpxnn, Cpynn, Cpznn] = rpc:call(Cpy, global_group, own_nodes, []), [Cpxnn, Cpynn, Cpznn] = rpc:call(Cpz, global_group, own_nodes, []), %% start a proc and register it {Pid1, yes} = rpc:call(Cp1, ?MODULE, start_proc, [test]), Pid1 = rpc:call(Cp1, global_group, send, [test, {io, from_cp1}]), Pid1 = rpc:call(Cpx, global_group, send, [test, {io, from_cpx}]), Pid1 = rpc:call(Cp1, global_group, send, [{group,nc1}, test, {io, from_cp1}]), [test] = rpc:call(Cpx, global_group, registered_names, [{node, Cp1nn}]), [test] = rpc:call(Cpx, global_group, registered_names, [{group, nc1}]), [] = rpc:call(Cpx, global_group, registered_names, [{node, Cpxnn}]), [] = rpc:call(Cpx, global_group, registered_names, [{group, nc2}]), Pid1 = rpc:call(Cpx, global_group, send, [{group,nc1}, test, {io, from_cp1}]), {badarg,{test,{io,from_cpx}}} = rpc:call(Cp1, global_group, send, [{group,nc2}, test, {io, from_cpx}]), {badarg,{test,{io,from_cpx}}} = rpc:call(Cpx, global_group, send, [{group,nc2}, test, {io, from_cpx}]), %% test that it is registered at all nodes Pid1 = rpc:call(Cp1, global, whereis_name, [test]), Pid1 = rpc:call(Cp2, global, whereis_name, [test]), Pid1 = rpc:call(Cp3, global, whereis_name, [test]), undefined = rpc:call(Cpx, global, whereis_name, [test]), undefined = rpc:call(Cpy, global, whereis_name, [test]), undefined = rpc:call(Cpz, global, whereis_name, [test]), %% start a proc and register it {PidX, yes} = rpc:call(Cpx, ?MODULE, start_proc, [test]), %% test that it is registered at all nodes Pid1 = rpc:call(Cp1, global, whereis_name, [test]), Pid1 = rpc:call(Cp2, global, whereis_name, [test]), Pid1 = rpc:call(Cp3, global, whereis_name, [test]), PidX = rpc:call(Cpx, global, whereis_name, [test]), PidX = rpc:call(Cpy, global, whereis_name, [test]), PidX = rpc:call(Cpz, global, whereis_name, [test]), Pid1 ! die, %% If we don't wait for global on other nodes to have updated its %% tables, 'test' may still be defined at the point when it is %% tested a few lines below. ?UNTIL(begin Pid = rpc:call(Cp2, global, whereis_name, [test]), undefined =:= Pid end), %% start a proc and register it {Pid2, yes} = rpc:call(Cp2, ?MODULE, start_proc, [test2]), %% test that it is registered at all nodes Pid2 = rpc:call(Cp1, global, whereis_name, [test2]), Pid2 = rpc:call(Cp2, global, whereis_name, [test2]), Pid2 = rpc:call(Cp3, global, whereis_name, [test2]), PidX = rpc:call(Cpx, global, whereis_name, [test]), PidX = rpc:call(Cpy, global, whereis_name, [test]), PidX = rpc:call(Cpz, global, whereis_name, [test]), undefined = rpc:call(Cp1, global, whereis_name, [test]), undefined = rpc:call(Cp2, global, whereis_name, [test]), undefined = rpc:call(Cp3, global, whereis_name, [test]), undefined = rpc:call(Cpx, global, whereis_name, [test2]), undefined = rpc:call(Cpy, global, whereis_name, [test2]), undefined = rpc:call(Cpz, global, whereis_name, [test2]), Pid2 = rpc:call(Cp1, global_group, send, [test2, {ping, self()}]), receive {pong, Cp2} -> ok after 2000 -> ct:fail(timeout2) end, Pid2 = rpc:call(Cp2, global_group, send, [test2, {ping, self()}]), receive {pong, Cp2} -> ok after 2000 -> ct:fail(timeout2) end, Pid2 = rpc:call(Cp3, global_group, send, [test2, {ping, self()}]), receive {pong, Cp2} -> ok after 2000 -> ct:fail(timeout2) end, PidX = rpc:call(Cpx, global_group, send, [test, {ping, self()}]), receive {pong, Cpx} -> ok after 2000 -> ct:fail(timeout2) end, PidX = rpc:call(Cpy, global_group, send, [test, {ping, self()}]), receive {pong, Cpx} -> ok after 2000 -> ct:fail(timeout2) end, PidX = rpc:call(Cpz, global_group, send, [test, {ping, self()}]), receive {pong, Cpx} -> ok after 2000 -> ct:fail(timeout2) end, Pid2 = rpc:call(Cpx, global_group, send, [{node, Cp1nn}, test2, {ping, self()}]), receive {pong, Cp2} -> ok after 2000 -> ct:fail(timeout2) end, Pid2 = rpc:call(Cpy, global_group, send, [{node, Cp2nn}, test2, {ping, self()}]), receive {pong, Cp2} -> ok after 2000 -> ct:fail(timeout2) end, Pid2 = rpc:call(Cpz, global_group, send, [{node, Cp3nn}, test2, {ping, self()}]), receive {pong, Cp2} -> ok after 2000 -> ct:fail(timeout2) end, PidX = rpc:call(Cpx, global_group, send, [{node, Cpznn}, test, {ping, self()}]), receive {pong, Cpx} -> ok after 2000 -> ct:fail(timeout2) end, PidX = rpc:call(Cpy, global_group, send, [{node, Cpxnn}, test, {ping, self()}]), receive {pong, Cpx} -> ok after 2000 -> ct:fail(timeout2) end, PidX = rpc:call(Cpz, global_group, send, [{node, Cpynn}, test, {ping, self()}]), receive {pong, Cpx} -> ok after 2000 -> ct:fail(timeout2) end, Pid2 = rpc:call(Cpx, global_group, send, [{group, nc1}, test2, {ping, self()}]), receive {pong, Cp2} -> ok after 2000 -> ct:fail(timeout2) end, PidX = rpc:call(Cpy, global_group, send, [{group, nc2}, test, {ping, self()}]), receive {pong, Cpx} -> ok after 2000 -> ct:fail(timeout2) end, %%------------------------------------ %% Test monitor nodes %%------------------------------------ Pid2 = rpc:call(Cp1, global_group, send, [{node, Cp2nn}, test2, monitor]), PidX = rpc:call(Cpx, global_group, send, [{node, Cpxnn}, test, monitor]), %% Kill node Cp1 Pid2 = rpc:call(Cp2, global_group, send, [{node, Cp2nn}, test2, {wait_nodedown, Cp1}]), PidX = rpc:call(Cpx, global_group, send, [{node, Cpxnn}, test, {wait_nodedown, Cp1}]), ct:sleep(100), stop_node(Cp1), ct:sleep(1000), ok = assert_loop(Cp2, Cp2nn, test2, Pid2, loop), ok = assert_loop(Cpx, Cpxnn, test, PidX, loop_nodedown), PidX = rpc:call(Cpx, global_group, send, [{node, Cpxnn}, test, to_loop]), %% Kill node Cpz Pid2 = rpc:call(Cp2, global_group, send, [{node, Cp2nn}, test2, {wait_nodedown, Cpz}]), PidX = rpc:call(Cpx, global_group, send, [{node, Cpxnn}, test, {wait_nodedown, Cpz}]), ct:sleep(100), stop_node(Cpz), ct:sleep(1000), ok = assert_loop(Cp2, Cp2nn, test2, Pid2, loop_nodedown), ok = assert_loop(Cpx, Cpxnn, test, PidX, loop), Pid2 = rpc:call(Cp2, global_group, send, [{node, Cp2nn}, test2, to_loop]), %% Restart node Cp1 [Cp1nn, Cp2nn, Cp3nn] = rpc:call(Cp2, global_group, own_nodes, []), Pid2 = rpc:call(Cp2, global_group, send, [{node, Cp2nn}, test2, {wait_nodeup, Cp1}]), PidX = rpc:call(Cpx, global_group, send, [{node, Cpxnn}, test, {wait_nodeup, Cp1}]), ct:sleep(100), {ok, Cp1} = start_node(Ncp1, Config), ct:sleep(5000), ok = assert_loop(Cp2, Cp2nn, test2, Pid2, loop), ok = assert_loop(Cpx, Cpxnn, test, PidX, loop_nodeup), PidX = rpc:call(Cpx, global_group, send, [{node, Cpxnn}, test, to_loop]), %% Restart node Cpz Pid2 = rpc:call(Cp2, global_group, send, [{node, Cp2nn}, test2, {wait_nodeup, Cpz}]), PidX = rpc:call(Cpx, global_group, send, [{node, Cpxnn}, test, {wait_nodeup, Cpz}]), ct:sleep(100), {ok, Cpz} = start_node(Ncpz, Config), ct:sleep(5000), ok = assert_loop(Cp2, Cp2nn, test2, Pid2, loop_nodeup), ok = assert_loop(Cpx, Cpxnn, test, PidX, loop), Pid2 = rpc:call(Cp2, global_group, send, [{node, Cp2nn}, test2, to_loop]), Pid2 ! die, PidX ! die, stop_node(Cp1), stop_node(Cp2), stop_node(Cp3), stop_node(Cpx), stop_node(Cpy), stop_node(Cpz), ok. %% Test hidden global groups. hidden_groups(Config) when is_list(Config) -> Dir = proplists:get_value(priv_dir, Config), File = filename:join(Dir, "global_group.config"), {ok, Fd} = file:open(File, [write]), [Ncp1,Ncp2,Ncp3,Ncpx,Ncpy,Ncpz,Ncpq] = node_names([cp1,cp2,cp3,cpx,cpy,cpz,cpq], Config), config_hidden(Fd, Ncp1, Ncp2, Ncp3, Ncpx, Ncpy, Ncpz, Ncpq), {ok, Cp1} = start_node(Ncp1, Config), {ok, Cp2} = start_node(Ncp2, Config), {ok, Cp3} = start_node(Ncp3, Config), {ok, Cpx} = start_node(Ncpx, Config), {ok, Cpy} = start_node(Ncpy, Config), {ok, Cpz} = start_node(Ncpz, Config), {ok, Cpq} = start_node(Ncpq, Config), %% sleep a while to make the global_groups to sync... ct:sleep(1000), %% check the global group names {nc1, [nc2, nc3]} = rpc:call(Cp1, global_group, global_groups, []), {nc1, [nc2, nc3]} = rpc:call(Cp2, global_group, global_groups, []), {nc1, [nc2, nc3]} = rpc:call(Cp3, global_group, global_groups, []), {nc2, [nc1, nc3]} = rpc:call(Cpx, global_group, global_groups, []), {nc2, [nc1, nc3]} = rpc:call(Cpy, global_group, global_groups, []), {nc2, [nc1, nc3]} = rpc:call(Cpz, global_group, global_groups, []), %% check the global group nodes [Cp1, Cp2, Cp3] = rpc:call(Cp1, global_group, own_nodes, []), [Cp1, Cp2, Cp3] = rpc:call(Cp2, global_group, own_nodes, []), [Cp1, Cp2, Cp3] = rpc:call(Cp3, global_group, own_nodes, []), [Cpx, Cpy, Cpz] = rpc:call(Cpx, global_group, own_nodes, []), [Cpx, Cpy, Cpz] = rpc:call(Cpy, global_group, own_nodes, []), [Cpx, Cpy, Cpz] = rpc:call(Cpz, global_group, own_nodes, []), [Cpq] = rpc:call(Cpq, global_group, own_nodes, []), %% Make some inter group connections pong = rpc:call(Cp1, net_adm, ping, [Cpx]), pong = rpc:call(Cpy, net_adm, ping, [Cp2]), pong = rpc:call(Cp3, net_adm, ping, [Cpx]), pong = rpc:call(Cpz, net_adm, ping, [Cp3]), pong = rpc:call(Cpq, net_adm, ping, [Cp1]), pong = rpc:call(Cpz, net_adm, ping, [Cpq]), %% Check that no inter group connections are visible NC1Nodes = lists:sort([Cp1, Cp2, Cp3]), NC2Nodes = lists:sort([Cpx, Cpy, Cpz]), NC1Nodes = lists:sort([Cp1|rpc:call(Cp1, erlang, nodes, [])]), NC1Nodes = lists:sort([Cp2|rpc:call(Cp2, erlang, nodes, [])]), NC1Nodes = lists:sort([Cp3|rpc:call(Cp3, erlang, nodes, [])]), NC2Nodes = lists:sort([Cpx|rpc:call(Cpx, erlang, nodes, [])]), NC2Nodes = lists:sort([Cpy|rpc:call(Cpy, erlang, nodes, [])]), NC2Nodes = lists:sort([Cpz|rpc:call(Cpz, erlang, nodes, [])]), NC12Nodes = lists:append(NC1Nodes, NC2Nodes), false = lists:any(fun(N) -> lists:member(N, NC12Nodes) end, rpc:call(Cpq, erlang, nodes, [])), stop_node(Cp1), stop_node(Cp2), stop_node(Cp3), stop_node(Cpx), stop_node(Cpy), stop_node(Cpz), stop_node(Cpq), ok. %% Checks when the search process exits. . test_exit(Config) when is_list(Config) -> NN = node_name(atom_to_list(node())), Cp1nn = list_to_atom("cp1@" ++ NN), {ok, Cp1} = start_node(cp1, Config), {ok, Cp2} = start_node(cp2, Config), {ok, Cp3} = start_node(cp3, Config), ct:sleep(1000), {error, illegal_function_call} = rpc:call(Cp1, global_group, registered_names_test, [{node, Cp1nn}]), {badarg,_} = rpc:call(Cp1, global_group, send, [king, "The message"]), undefined = rpc:call(Cp1, global_group, whereis_name, [king]), % make sure the search process really exits after every global_group operations ProcessCount0 = rpc:call(Cp1, erlang, system_info, [process_count]), _ = rpc:call(Cp1, global_group, whereis_name, [{node, Cp1nn}, whatever_pid_name]), ProcessCount1 = rpc:call(Cp1, erlang, system_info, [process_count]), _ = rpc:call(Cp1, global_group, registered_names, [{node, Cp1nn}]), ProcessCount2 = rpc:call(Cp1, erlang, system_info, [process_count]), _ = rpc:call(Cp1, global_group, send, [{node, Cp1nn}, whatever_pid_name, msg]), ProcessCount3 = rpc:call(Cp1, erlang, system_info, [process_count]), ProcessCount0 = ProcessCount1 = ProcessCount2 = ProcessCount3, %% stop the nodes, and make sure names are released. stop_node(Cp1), stop_node(Cp2), stop_node(Cp3), %% sleep to let the nodes die ct:sleep(1000), ok. start_node(Name, Config) -> Pa=filename:dirname(code:which(?MODULE)), Dir=proplists:get_value(priv_dir, Config), ConfFile = " -config " ++ filename:join(Dir, "global_group"), test_server:start_node(Name, slave, [{args, "-pa " ++ Pa ++ ConfFile}]). start_node_no(Name, Config) -> Pa=filename:dirname(code:which(?MODULE)), Dir=proplists:get_value(priv_dir, Config), ConfFile = " -config " ++ filename:join(Dir, "no_global_group"), test_server:start_node(Name, slave, [{args, "-pa " ++ Pa ++ ConfFile}]). start_node_no2(Name, Config) -> Pa=filename:dirname(code:which(?MODULE)), Dir=proplists:get_value(priv_dir, Config), ConfFile = " -config " ++ filename:join(Dir, "no_global_group_sync"), test_server:start_node(Name, slave, [{args, "-pa " ++ Pa ++ ConfFile}]). start_node_comp(Name, Config) -> Pa=filename:dirname(code:which(?MODULE)), Dir=proplists:get_value(priv_dir, Config), ConfFile = " -config " ++ filename:join(Dir, "global_group_comp"), test_server:start_node(Name, slave, [{args, "-pa " ++ Pa ++ ConfFile}]). node_names(Names, Config) -> [node_name(Name, Config) || Name <- Names]. node_name(Name, Config) -> U = "_", Pid = os:getpid(), {{Y,M,D}, {H,Min,S}} = calendar:now_to_local_time(now()), Date = io_lib:format("~4w_~2..0w_~2..0w__~2..0w_~2..0w_~2..0w", [Y,M,D, H,Min,S]), L = lists:flatten(Date), lists:concat([Name,U,?testcase,U,Pid,U,U,L]). stop_node(Node) -> test_server:stop_node(Node). wait_for_ready_net() -> Nodes = lists:sort(?NODES), ?UNTIL(begin lists:all(fun(N) -> Nodes =:= get_known(N) end, Nodes) and lists:all(fun(N) -> LNs = rpc:call(N, erlang, nodes, []), Nodes =:= lists:sort([N | LNs]) end, Nodes) end). get_known(Node) -> Known = gen_server:call({global_name_server,Node}, get_known), lists:sort([Node | Known]). config_hidden(Fd, Ncp1, Ncp2, Ncp3, Ncpx, Ncpy, Ncpz, Ncpq) -> M = from($@, atom_to_list(node())), io:format(Fd, "[{kernel, [{sync_nodes_optional, ['~s@~s','~s@~s','~s@~s', " " '~s@~s','~s@~s','~s@~s']}," "{sync_nodes_timeout, 1000}," "{global_groups, [{nc1, hidden, ['~s@~s','~s@~s','~s@~s']}, " "{nc2, hidden, ['~s@~s','~s@~s','~s@~s']}, " "{nc3, normal, ['~s@~s']}]} ] }]. ~n", [Ncp1, M, Ncp2, M, Ncp3, M, Ncpx, M, Ncpy, M, Ncpz, M, Ncp1, M, Ncp2, M, Ncp3, M, Ncpx, M, Ncpy, M, Ncpz, M, Ncpq, M]). config(Fd, Ncp1, Ncp2, Ncp3, Ncpx, Ncpy, Ncpz, Ncpq) -> M = from($@, atom_to_list(node())), io:format(Fd, "[{kernel, [{sync_nodes_optional, ['~s@~s','~s@~s','~s@~s', " " '~s@~s','~s@~s','~s@~s']}," "{sync_nodes_timeout, 1000}," "{global_groups, [{nc1, ['~s@~s','~s@~s','~s@~s']}, " " {nc2, ['~s@~s','~s@~s','~s@~s']}, " "{nc3, ['~s@~s']}]} ] }]. ~n", [Ncp1, M, Ncp2, M, Ncp3, M, Ncpx, M, Ncpy, M, Ncpz, M, Ncp1, M, Ncp2, M, Ncp3, M, Ncpx, M, Ncpy, M, Ncpz, M, Ncpq, M]). config_no(Fd) -> io:format(Fd, "[{kernel, [{global_groups, []}]}]. ~n",[]). config_sync(Fd, Ncp1, Ncp2, Ncp3, Ncpx, Ncpy, Ncpz) -> M = from($@, atom_to_list(node())), io:format(Fd, "[{kernel, [{sync_nodes_optional, ['~s@~s','~s@~s','~s@~s', " " '~s@~s','~s@~s','~s@~s']}," "{sync_nodes_timeout, 1000}," "{global_groups, []} ] }] .~n", [Ncp1, M, Ncp2, M, Ncp3, M, Ncpx, M, Ncpy, M, Ncpz, M]). config_comp(Fd, Ncp1, Ncp2, Ncp3, Ncpx, Ncpy, Ncpz) -> M = from($@, atom_to_list(node())), io:format(Fd, "[{kernel, [{sync_nodes_optional, ['~s@~s','~s@~s','~s@~s', " " '~s@~s','~s@~s','~s@~s']}," "{sync_nodes_timeout, 1000} ] }] .~n", [Ncp1, M, Ncp2, M, Ncp3, M, Ncpx, M, Ncpy, M, Ncpz, M]). node_at(N) -> NN = node_name(atom_to_list(node())), list_to_atom(lists:concat([N, "@", NN])). node_name(L) -> from($@, L). from(H, [H | T]) -> T; from(H, [_ | T]) -> from(H, T); from(_, []) -> []. start_proc(Name) -> Pid = spawn(?MODULE, init, [self(), Name]), receive {Pid, Res} -> {Pid, Res} end. start_proc_rereg(Name) -> Pid = spawn(?MODULE, init2, [self(), Name]), receive Pid -> Pid end. init(Parent) -> Parent ! self(), loop(). init(Parent, Name) -> X = global:register_name(Name, self()), Parent ! {self(),X}, loop(). init2(Parent, Name) -> global:re_register_name(Name, self()), Parent ! self(), loop(). loop() -> receive monitor -> global_group:monitor_nodes(true), loop(); stop_monitor -> global_group:monitor_nodes(false), loop(); {wait_nodeup, Node} -> loop_nodeup(Node); {wait_nodedown, Node} -> loop_nodedown(Node); {io, _Msg} -> loop(); {ping, From} -> From ! {pong, node()}, loop(); {del_lock, Id} -> global:del_lock({Id, self()}), loop(); {del_lock, Id, Nodes} -> global:del_lock({Id, self()}, Nodes), loop(); {set_lock, Id, From} -> Res = global:set_lock({Id, self()}, ?NODES, 1), From ! Res, loop(); {set_lock, Id, From, Nodes} -> Res = global:set_lock({Id, self()}, Nodes, 1), From ! Res, loop(); {set_lock_loop, Id, From} -> global:set_lock({Id, self()}, ?NODES), From ! {got_lock, self()}, loop(); {{got_notify, From}, Ref} -> receive X when element(1, X) == global_name_conflict -> From ! {Ref, yes} after 0 -> From ! {Ref, no} end, loop(); {which_loop, From} -> From ! loop, loop(); die -> exit(normal) end. loop_nodeup(Node) -> receive {nodeup, Node} -> loop(); to_loop -> loop(); {which_loop, From} -> From ! loop_nodeup, loop_nodeup(Node); die -> exit(normal) end. loop_nodedown(Node) -> receive {nodedown, Node} -> loop(); to_loop -> loop(); {which_loop, From} -> From ! loop_nodedown, loop_nodedown(Node); die -> exit(normal) end. assert_loop(Cp, CpName, Name, NamePid, Loop) -> M = {which_loop, self()}, NamePid = rpc:call(Cp, global_group, send, [{node, CpName}, Name, M]), receive Loop -> ok; Other1 -> ct:fail(Other1) after 5000 -> ct:fail(timeout) end. loop_until_true(Fun) -> case Fun() of true -> ok; _ -> loop_until_true(Fun) end.