%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2002-2012. 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%
%%
%%%----------------------------------------------------------------------
%%% File : node_container_SUITE.erl
%%% Author : Rickard <[email protected]>
%%% Purpose :
%%% Created : 24 Jul 2002 by Rickard <[email protected]>
%%%----------------------------------------------------------------------
-module(node_container_SUITE).
-author('[email protected]').
%-define(line_trace, 1).
-include_lib("test_server/include/test_server.hrl").
%-compile(export_all).
-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
init_per_group/2,end_per_group/2, init_per_testcase/2,
end_per_testcase/2,
node_container_refc_check/1]).
-export([term_to_binary_to_term_eq/1,
round_trip_eq/1,
cmp/1,
ref_eq/1,
node_table_gc/1,
dist_link_refc/1,
dist_monitor_refc/1,
node_controller_refc/1,
ets_refc/1,
match_spec_refc/1,
timer_refc/1,
otp_4715/1,
pid_wrap/1,
port_wrap/1,
bad_nc/1,
unique_pid/1,
iter_max_procs/1]).
-define(DEFAULT_TIMEOUT, ?t:minutes(10)).
suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
[term_to_binary_to_term_eq, round_trip_eq, cmp, ref_eq,
node_table_gc, dist_link_refc, dist_monitor_refc,
node_controller_refc, ets_refc, match_spec_refc,
timer_refc, otp_4715, pid_wrap, port_wrap, bad_nc,
unique_pid, iter_max_procs].
groups() ->
[].
init_per_suite(Config) ->
Config.
end_per_suite(_Config) ->
erts_debug:set_internal_state(available_internal_state, true),
erts_debug:set_internal_state(node_tab_delayed_delete, -1), %% restore original value
available_internal_state(false).
init_per_group(_GroupName, Config) ->
Config.
end_per_group(_GroupName, Config) ->
Config.
available_internal_state(Bool) when Bool == true; Bool == false ->
case {Bool,
(catch erts_debug:get_internal_state(available_internal_state))} of
{true, true} ->
true;
{false, true} ->
erts_debug:set_internal_state(available_internal_state, false),
true;
{true, _} ->
erts_debug:set_internal_state(available_internal_state, true),
false;
{false, _} ->
false
end.
init_per_testcase(_Case, Config) when is_list(Config) ->
Dog = ?t:timetrap(?DEFAULT_TIMEOUT),
available_internal_state(true),
[{watchdog, Dog}|Config].
end_per_testcase(_Case, Config) when is_list(Config) ->
Dog = ?config(watchdog, Config),
?t:timetrap_cancel(Dog),
ok.
%%%
%%% The test cases -------------------------------------------------------------
%%%
-define(MAX_PIDS_PORTS, ((1 bsl 28) - 1)).
%%
%% Test case: term_to_binary_to_term_eq
%%
term_to_binary_to_term_eq(doc) ->
["Tests that node container terms that are converted to external format "
"and back stay equal to themselves."];
term_to_binary_to_term_eq(suite) -> [];
term_to_binary_to_term_eq(Config) when is_list(Config) ->
?line ThisNode = {node(), erlang:system_info(creation)},
% Get local node containers
?line LPid = self(),
?line LXPid = mk_pid(ThisNode, 32767, 8191),
?line LPort = hd(erlang:ports()),
?line LXPort = mk_port(ThisNode, 268435455),
?line LLRef = make_ref(),
?line LHLRef = mk_ref(ThisNode, [47, 11]),
?line LSRef = mk_ref(ThisNode, [4711]),
% Test local nc:s
?line LPid = binary_to_term(term_to_binary(LPid)),
?line LXPid = binary_to_term(term_to_binary(LXPid)),
?line LPort = binary_to_term(term_to_binary(LPort)),
?line LXPort = binary_to_term(term_to_binary(LXPort)),
?line LLRef = binary_to_term(term_to_binary(LLRef)),
?line LHLRef = binary_to_term(term_to_binary(LHLRef)),
?line LSRef = binary_to_term(term_to_binary(LSRef)),
% Get remote node containers
?line RNode = {get_nodename(), 3},
?line RPid = mk_pid(RNode, 4711, 1),
?line RXPid = mk_pid(RNode, 32767, 8191),
?line RPort = mk_port(RNode, 4711),
?line RXPort = mk_port(RNode, 268435455),
?line RLRef = mk_ref(RNode, [4711, 4711, 4711]),
?line RHLRef = mk_ref(RNode, [4711, 4711]),
?line RSRef = mk_ref(RNode, [4711]),
% Test remote nc:s
?line RPid = binary_to_term(term_to_binary(RPid)),
?line RXPid = binary_to_term(term_to_binary(RXPid)),
?line RPort = binary_to_term(term_to_binary(RPort)),
?line RXPort = binary_to_term(term_to_binary(RXPort)),
?line RLRef = binary_to_term(term_to_binary(RLRef)),
?line RHLRef = binary_to_term(term_to_binary(RHLRef)),
?line RSRef = binary_to_term(term_to_binary(RSRef)),
?line nc_refc_check(node()),
?line ok.
%%
%% Test case: round_trip_eq
%%
round_trip_eq(doc) ->
["Tests that node containers that are sent beteen nodes stay equal to "
"themselves."];
round_trip_eq(suite) -> [];
round_trip_eq(Config) when is_list(Config) ->
?line ThisNode = {node(), erlang:system_info(creation)},
?line NodeFirstName = get_nodefirstname(),
?line ?line {ok, Node} = start_node(NodeFirstName),
?line Self = self(),
?line RPid = spawn_link(Node,
fun () ->
receive
{Self, Data} ->
Self ! {self(), Data}
end
end),
?line SentPid = self(),
?line SentXPid = mk_pid(ThisNode, 17471, 8190),
?line SentPort = hd(erlang:ports()),
?line SentXPort = mk_port(ThisNode, 268435451),
?line SentLRef = make_ref(),
?line SentHLRef = mk_ref(ThisNode, [4711, 17]),
?line SentSRef = mk_ref(ThisNode, [4711]),
?line RPid ! {Self, {SentPid,
SentXPid,
SentPort,
SentXPort,
SentLRef,
SentHLRef,
SentSRef}},
receive
{RPid, {RecPid,
RecXPid,
RecPort,
RecXPort,
RecLRef,
RecHLRef,
RecSRef}} ->
?line stop_node(Node),
?line SentPid = RecPid,
?line SentXPid = RecXPid,
?line SentPort = RecPort,
?line SentXPort = RecXPort,
?line SentLRef = RecLRef,
?line SentHLRef = RecHLRef,
?line SentSRef = RecSRef,
?line nc_refc_check(node()),
?line ok
end.
%%
%% Test case: cmp
%%
cmp(doc) ->
["Tests that Erlang term comparison works as it should on node "
"containers."];
cmp(suite) -> [];
cmp(Config) when is_list(Config) ->
%% Inter type comparison ---------------------------------------------------
%% The Erlang term order:
%% number < atom < ref < fun < port < pid < tuple < nil < cons < binary
RNode = {get_nodename(), 2},
IRef = make_ref(),
ERef = mk_ref({get_nodename(), 2}, [1,2,3]),
IPid = self(),
EPid = mk_pid(RNode, 1, 2),
IPort = hd(erlang:ports()),
EPort = mk_port(RNode, 1),
%% Test pids ----------------------------------------------------
?line true = 1 < IPid,
?line true = 1.3 < IPid,
?line true = (1 bsl 64) < IPid,
?line true = an_atom < IPid,
?line true = IRef < IPid,
?line true = ERef < IPid,
?line true = fun () -> a_fun end < IPid,
?line true = IPort < IPid,
?line true = EPort < IPid,
?line true = IPid < {a, tuple},
?line true = IPid < [],
?line true = IPid < [a|cons],
?line true = IPid < <<"a binary">>,
?line true = 1 < EPid,
?line true = 1.3 < EPid,
?line true = (1 bsl 64) < EPid,
?line true = an_atom < EPid,
?line true = IRef < EPid,
?line true = ERef < EPid,
?line true = fun () -> a_fun end < EPid,
?line true = IPort < EPid,
?line true = EPort < EPid,
?line true = EPid < {a, tuple},
?line true = EPid < [],
?line true = EPid < [a|cons],
?line true = EPid < <<"a binary">>,
%% Test ports --------------------------------------------------
?line true = 1 < IPort,
?line true = 1.3 < IPort,
?line true = (1 bsl 64) < IPort,
?line true = an_atom < IPort,
?line true = IRef < IPort,
?line true = ERef < IPort,
?line true = fun () -> a_fun end < IPort,
?line true = IPort < IPid,
?line true = IPort < EPid,
?line true = IPort < {a, tuple},
?line true = IPort < [],
?line true = IPort < [a|cons],
?line true = IPort < <<"a binary">>,
?line true = 1 < EPort,
?line true = 1.3 < EPort,
?line true = (1 bsl 64) < EPort,
?line true = an_atom < EPort,
?line true = IRef < EPort,
?line true = ERef < EPort,
?line true = fun () -> a_fun end < EPort,
?line true = EPort < IPid,
?line true = EPort < EPid,
?line true = EPort < {a, tuple},
?line true = EPort < [],
?line true = EPort < [a|cons],
?line true = EPort < <<"a binary">>,
%% Test refs ----------------------------------------------------
?line true = 1 < IRef,
?line true = 1.3 < IRef,
?line true = (1 bsl 64) < IRef,
?line true = an_atom < IRef,
?line true = IRef < fun () -> a_fun end,
?line true = IRef < IPort,
?line true = IRef < EPort,
?line true = IRef < IPid,
?line true = IRef < EPid,
?line true = IRef < {a, tuple},
?line true = IRef < [],
?line true = IRef < [a|cons],
?line true = IRef < <<"a binary">>,
?line true = 1 < ERef,
?line true = 1.3 < ERef,
?line true = (1 bsl 64) < ERef,
?line true = an_atom < ERef,
?line true = ERef < fun () -> a_fun end,
?line true = ERef < IPort,
?line true = ERef < EPort,
?line true = ERef < IPid,
?line true = ERef < EPid,
?line true = ERef < {a, tuple},
?line true = ERef < [],
?line true = ERef < [a|cons],
?line true = ERef < <<"a binary">>,
%% Intra type comparison ---------------------------------------------------
%% Test pids ----------------------------------------------------
%%
%% Significance (most -> least):
%% serial, number, nodename, creation
%%
?line Pid = mk_pid({b@b, 2}, 4711, 1),
?line true = mk_pid({a@b, 1}, 4710, 2) > Pid,
?line true = mk_pid({a@b, 1}, 4712, 1) > Pid,
?line true = mk_pid({c@b, 1}, 4711, 1) > Pid,
?line true = mk_pid({b@b, 3}, 4711, 1) > Pid,
?line true = mk_pid({b@b, 2}, 4711, 1) =:= Pid,
%% Test ports ---------------------------------------------------
%%
%% Significance (most -> least):
%% nodename, creation, number
%%
%% OBS: Comparison between ports has changed in R9. This
%% since it wasn't stable in R8 (and eariler releases).
%% Significance used to be: dist_slot, number,
%% creation.
?line Port = mk_port({b@b, 2}, 4711),
?line true = mk_port({c@b, 1}, 4710) > Port,
?line true = mk_port({b@b, 3}, 4710) > Port,
?line true = mk_port({b@b, 2}, 4712) > Port,
?line true = mk_port({b@b, 2}, 4711) =:= Port,
%% Test refs ----------------------------------------------------
%% Significance (most -> least):
%% nodename, creation, (number high, number mid), number low,
%%
%% OBS: Comparison between refs has changed in R9. This
%% since it wasn't stable in R8 (and eariler releases).
%% Significance used to be: dist_slot, number,
%% creation.
%%
?line Ref = mk_ref({b@b, 2}, [4711, 4711, 4711]),
?line true = mk_ref({c@b, 1}, [4710, 4710, 4710]) > Ref,
?line true = mk_ref({b@b, 3}, [4710, 4710, 4710]) > Ref,
?line true = mk_ref({b@b, 2}, [4710, 4710, 4712]) > Ref,
?line true = mk_ref({b@b, 2}, [4710, 4712, 4711]) > Ref,
?line true = mk_ref({b@b, 2}, [4712, 4711, 4711]) > Ref,
?line true = mk_ref({b@b, 2}, [4711, 4711, 4711]) =:= Ref,
ok.
%%
%% Test case: ref_eq
%%
ref_eq(doc) -> ["Test that one word refs \"works\"."];
ref_eq(suite) -> [];
ref_eq(Config) when is_list(Config) ->
?line ThisNode = {node(), erlang:system_info(creation)},
?line AnotherNode = {get_nodename(),2},
?line LLongRef = mk_ref(ThisNode, [4711, 0, 0]),
?line LHalfLongRef = mk_ref(ThisNode, [4711, 0]),
?line LShortRef = mk_ref(ThisNode, [4711]),
?line true = LLongRef =:= LShortRef,
?line true = LLongRef =:= LHalfLongRef,
?line true = LLongRef =:= LLongRef,
?line true = LHalfLongRef =:= LShortRef,
?line true = LHalfLongRef =:= LHalfLongRef,
?line true = LShortRef =:= LShortRef,
?line false = LShortRef == mk_ref(ThisNode, [4711, 0, 1]), % Not any more
?line RLongRef = mk_ref(AnotherNode, [4711, 0, 0]),
?line RHalfLongRef = mk_ref(AnotherNode, [4711, 0]),
?line RShortRef = mk_ref(AnotherNode, [4711]),
?line true = RLongRef =:= RShortRef,
?line true = RLongRef =:= RHalfLongRef,
?line true = RLongRef =:= RLongRef,
?line true = RHalfLongRef =:= RShortRef,
?line true = RHalfLongRef =:= RHalfLongRef,
?line true = RShortRef =:= RShortRef,
?line false = RShortRef == mk_ref(AnotherNode, [4711, 0, 1]), % Not any more
?line nc_refc_check(node()),
?line ok.
%%
%% Test case: node_table_gc
%%
node_table_gc(doc) ->
["Tests that node tables are garbage collected."];
node_table_gc(suite) -> [];
node_table_gc(Config) when is_list(Config) ->
erts_debug:set_internal_state(available_internal_state, true),
erts_debug:set_internal_state(node_tab_delayed_delete, 0),
?line PreKnown = nodes(known),
?line ?t:format("PreKnown = ~p~n", [PreKnown]),
?line make_node_garbage(0, 200000, 1000, []),
?line PostKnown = nodes(known),
?line PostAreas = erlang:system_info(allocated_areas),
?line ?t:format("PostKnown = ~p~n", [PostKnown]),
?line ?t:format("PostAreas = ~p~n", [PostAreas]),
?line true = length(PostKnown) =< length(PreKnown),
?line nc_refc_check(node()),
erts_debug:set_internal_state(node_tab_delayed_delete, -1), %% restore original value
?line ok.
make_node_garbage(N, L, I, Ps) when N < L ->
?line Self = self(),
?line P = spawn_link(fun () ->
% Generate two node entries and one dist
% entry per node name
?line PL1 = make_faked_pid_list(N,
I div 2,
1),
?line put(a, PL1),
?line PL2 = make_faked_pid_list(N,
I div 2,
2),
?line put(b, PL2),
?line Self ! {self(), length(nodes(known))}
end),
?line receive
{P, KnownLength} ->
?line true = KnownLength >= I div 2
end,
?line make_node_garbage(N+(I div 2)*2, L, I, [P|Ps]);
make_node_garbage(_, _, _, Ps) ->
%% Cleanup garbage...
ProcIsCleanedUp
= fun (Proc) ->
undefined == erts_debug:get_internal_state({process_status,
Proc})
end,
lists:foreach(fun (P) -> wait_until(fun () -> ProcIsCleanedUp(P) end) end,
Ps),
?line ok.
make_faked_pid_list(Start, No, Creation) ->
make_faked_pid_list(Start, No, Creation, []).
make_faked_pid_list(_Start, 0, _Creation, Acc) ->
Acc;
make_faked_pid_list(Start, No, Creation, Acc) ->
make_faked_pid_list(Start+1,
No-1,
Creation,
[mk_pid({"faked_node-"
++ integer_to_list(Start rem 50000)
++ "@"
++ atom_to_list(?MODULE),
Creation},
4711,
3) | Acc]).
%%
%% Test case: dist_link_refc
%%
dist_link_refc(doc) ->
["Tests that external reference counts are incremented and decremented "
"as they should for distributed links"];
dist_link_refc(suite) -> [];
dist_link_refc(Config) when is_list(Config) ->
?line NodeFirstName = get_nodefirstname(),
?line ?line {ok, Node} = start_node(NodeFirstName),
?line RP = spawn_execer(Node),
?line LP = spawn_link_execer(node()),
?line true = sync_exec(RP, fun () -> link(LP) end),
?line wait_until(fun () ->
?line {links, Links} = process_info(LP, links),
?line lists:member(RP, Links)
end),
?line NodeCre = sync_exec(RP, fun() -> erlang:system_info(creation) end),
?line 1 = reference_type_count(
link,
refering_entity_id({process, LP},
get_node_references({Node, NodeCre}))),
?line exec(RP, fun() -> exit(normal) end),
?line wait_until(fun () ->
?line {links, Links} = process_info(LP, links),
?line not lists:member(RP, Links)
end),
?line 0 = reference_type_count(
link,
refering_entity_id({process, LP},
get_node_references({Node, NodeCre}))),
?line exit(LP, normal),
?line stop_node(Node),
?line nc_refc_check(node()),
?line ok.
%%
%% Test case: dist_monitor_refc
%%
dist_monitor_refc(doc) ->
["Tests that external reference counts are incremented and decremented "
"as they should for distributed monitors"];
dist_monitor_refc(suite) -> [];
dist_monitor_refc(Config) when is_list(Config) ->
?line NodeFirstName = get_nodefirstname(),
?line {ok, Node} = start_node(NodeFirstName),
?line RP = spawn_execer(Node),
?line LP = spawn_link_execer(node()),
?line RMon = sync_exec(RP, fun () -> erlang:monitor(process, LP) end),
?line true = is_reference(RMon),
?line LMon = sync_exec(LP, fun () -> erlang:monitor(process, RP) end),
?line true = is_reference(LMon),
?line NodeCre = sync_exec(RP, fun() -> erlang:system_info(creation) end),
?line wait_until(fun () ->
?line {monitored_by, MonBy}
= process_info(LP, monitored_by),
?line {monitors, Mon}
= process_info(LP, monitors),
?line (lists:member(RP, MonBy)
and lists:member({process,RP}, Mon))
end),
?line 3 = reference_type_count(
monitor,
refering_entity_id({process, LP},
get_node_references({Node, NodeCre}))),
?line exec(RP, fun () -> exit(normal) end),
?line wait_until(fun () ->
?line {monitored_by, MonBy}
= process_info(LP, monitored_by),
?line {monitors, Mon}
= process_info(LP, monitors),
?line ((not lists:member(RP, MonBy))
and (not lists:member({process,RP}, Mon)))
end),
?line ok = sync_exec(LP,
fun () ->
receive
{'DOWN', LMon, process, _, _} ->
ok
end
end),
?line 0 = reference_type_count(
link,
refering_entity_id({process, LP},
get_node_references({Node, NodeCre}))),
?line exit(LP, normal),
?line stop_node(Node),
?line nc_refc_check(node()),
?line ok.
%%
%% Test case: node_controller_refc
%%
node_controller_refc(doc) ->
["Tests that external reference counts are incremented and decremented "
"as they should for entities controlling a connections."];
node_controller_refc(suite) -> [];
node_controller_refc(Config) when is_list(Config) ->
erts_debug:set_internal_state(available_internal_state, true),
erts_debug:set_internal_state(node_tab_delayed_delete, 0),
?line NodeFirstName = get_nodefirstname(),
?line ?line {ok, Node} = start_node(NodeFirstName),
?line true = lists:member(Node, nodes()),
?line 1 = reference_type_count(control, get_dist_references(Node)),
?line P = spawn_link_execer(node()),
?line Node
= sync_exec(P,
fun () ->
put(remote_net_kernel,
rpc:call(Node,erlang,whereis,[net_kernel])),
node(get(remote_net_kernel))
end),
?line Creation = rpc:call(Node, erlang, system_info, [creation]),
?line monitor_node(Node,true),
?line stop_node(Node),
?line receive {nodedown, Node} -> ok end,
?line DistRefs = get_dist_references(Node),
?line true = reference_type_count(node, DistRefs) > 0,
?line 0 = reference_type_count(control, DistRefs),
% Get rid of all references to Node
?line exec(P, fun () -> exit(normal) end),
?line wait_until(fun () -> not is_process_alive(P) end),
lists:foreach(fun (Proc) -> garbage_collect(Proc) end, processes()),
?line false = get_node_references({Node,Creation}),
?line false = get_dist_references(Node),
?line false = lists:member(Node, nodes(known)),
?line nc_refc_check(node()),
erts_debug:set_internal_state(node_tab_delayed_delete, -1), %% restore original value
?line ok.
%%
%% Test case: ets_refc
%%
ets_refc(doc) ->
["Tests that external reference counts are incremented and decremented "
"as they should for data stored in ets tables."];
ets_refc(suite) -> [];
ets_refc(Config) when is_list(Config) ->
?line RNode = {get_nodename(), 1},
?line RPid = mk_pid(RNode, 4711, 2),
?line RPort = mk_port(RNode, 4711),
?line RRef = mk_ref(RNode, [4711, 47, 11]),
?line Tab = ets:new(ets_refc, []),
?line 0 = reference_type_count(ets, get_node_references(RNode)),
?line true = ets:insert(Tab, [{a, self()},
{b, RPid},
{c, hd(erlang:ports())},
{d, RPort},
{e, make_ref()}]),
?line 2 = reference_type_count(ets, get_node_references(RNode)),
?line true = ets:insert(Tab, {f, RRef}),
?line 3 = reference_type_count(ets, get_node_references(RNode)),
?line true = ets:delete(Tab, d),
?line 2 = reference_type_count(ets, get_node_references(RNode)),
?line true = ets:delete_all_objects(Tab),
?line 0 = reference_type_count(ets, get_node_references(RNode)),
?line true = ets:insert(Tab, [{b, RPid}, {e, make_ref()}]),
?line 1 = reference_type_count(ets, get_node_references(RNode)),
?line true = ets:delete(Tab),
?line 0 = reference_type_count(ets, get_node_references(RNode)),
?line nc_refc_check(node()),
?line ok.
%%
%% Test case: match_spec_refc
%%
match_spec_refc(doc) ->
["Tests that external reference counts are incremented and decremented "
"as they should for data stored in match specifications."];
match_spec_refc(suite) -> [];
match_spec_refc(Config) when is_list(Config) ->
?line RNode = {get_nodename(), 1},
?line RPid = mk_pid(RNode, 4711, 2),
?line RPort = mk_port(RNode, 4711),
?line RRef = mk_ref(RNode, [4711, 47, 11]),
?line ok = do_match_spec_test(RNode, RPid, RPort, RRef),
?line garbage_collect(),
?line NodeRefs = get_node_references(RNode),
?line 0 = reference_type_count(binary, NodeRefs),
?line 0 = reference_type_count(ets, NodeRefs),
?line nc_refc_check(node()),
?line ok.
do_match_spec_test(RNode, RPid, RPort, RRef) ->
?line Tab = ets:new(match_spec_refc, []),
?line true = ets:insert(Tab, [{a, RPid, RPort, RRef},
{b, self(), RPort, RRef},
{c, RPid, RPort, make_ref()},
{d, RPid, RPort, RRef}]),
?line {M1, C1} = ets:select(Tab, [{{'$1',RPid,RPort,RRef},[],['$1']}], 1),
?line NodeRefs = get_node_references(RNode),
?line 3 = reference_type_count(binary, NodeRefs),
?line 10 = reference_type_count(ets, NodeRefs),
?line {M2, C2} = ets:select(C1),
?line '$end_of_table' = ets:select(C2),
?line ets:delete(Tab),
?line [a,d] = lists:sort(M1++M2),
?line ok.
%%
%% Test case: ets_refc
%%
timer_refc(doc) ->
["Tests that external reference counts are incremented and decremented "
"as they should for data stored in bif timers."];
timer_refc(suite) -> [];
timer_refc(Config) when is_list(Config) ->
?line RNode = {get_nodename(), 1},
?line RPid = mk_pid(RNode, 4711, 2),
?line RPort = mk_port(RNode, 4711),
?line RRef = mk_ref(RNode, [4711, 47, 11]),
?line 0 = reference_type_count(timer, get_node_references(RNode)),
?line Pid = spawn(fun () -> receive after infinity -> ok end end),
?line erlang:start_timer(10000, Pid, {RPid, RPort, RRef}),
?line 3 = reference_type_count(timer, get_node_references(RNode)),
?line exit(Pid, kill),
?line Mon = erlang:monitor(process, Pid),
?line receive {'DOWN', Mon, process, Pid, _} -> ok end,
?line 0 = reference_type_count(timer, get_node_references(RNode)),
?line erlang:send_after(500, Pid, {timer, RPid, RPort, RRef}),
?line 0 = reference_type_count(timer, get_node_references(RNode)),
?line erlang:send_after(500, self(), {timer, RPid, RPort, RRef}),
?line erlang:send_after(400, bananfluga, {timer, RPid, RPort, RRef}),
?line 6 = reference_type_count(timer, get_node_references(RNode)),
?line receive {timer, RPid, RPort, RRef} -> ok end,
?line 0 = reference_type_count(timer, get_node_references(RNode)),
?line nc_refc_check(node()),
?line ok.
otp_4715(doc) -> [];
otp_4715(suite) -> [];
otp_4715(Config) when is_list(Config) ->
case ?t:is_release_available("r9b") of
true -> otp_4715_1(Config);
false -> {skip,"No R9B found"}
end.
otp_4715_1(Config) ->
case erlang:system_info(compat_rel) of
9 ->
?line run_otp_4715(Config);
_ ->
?line Pa = filename:dirname(code:which(?MODULE)),
?line ?t:run_on_shielded_node(fun () ->
run_otp_4715(Config)
end,
"+R9 -pa " ++ Pa)
end.
run_otp_4715(Config) when is_list(Config) ->
?line erts_debug:set_internal_state(available_internal_state, true),
?line PidList = [mk_pid({a@b, 1}, 4710, 2),
mk_pid({a@b, 1}, 4712, 1),
mk_pid({c@b, 1}, 4711, 1),
mk_pid({b@b, 3}, 4711, 1),
mk_pid({b@b, 2}, 4711, 1)],
?line R9Sorted = old_mod:sort_on_old_node(PidList),
?line R9Sorted = lists:sort(PidList).
pid_wrap(doc) -> [];
pid_wrap(suite) -> [];
pid_wrap(Config) when is_list(Config) -> ?line pp_wrap(pid).
port_wrap(doc) -> [];
port_wrap(suite) -> [];
port_wrap(Config) when is_list(Config) ->
?line case ?t:os_type() of
{unix, _} ->
?line pp_wrap(port);
_ ->
?line {skip, "Only run on unix"}
end.
get_next_id(pid) ->
erts_debug:get_internal_state(next_pid);
get_next_id(port) ->
erts_debug:get_internal_state(next_port).
set_next_id(pid, N) ->
erts_debug:set_internal_state(next_pid, N);
set_next_id(port, N) ->
erts_debug:set_internal_state(next_port, N).
pp_wrap(What) ->
?line N = set_high_pp_next(What),
?line Cre = N + 100,
?line ?t:format("no creations = ~p~n", [Cre]),
?line PreCre = get_next_id(What),
?line ?t:format("pre creations = ~p~n", [PreCre]),
?line true = is_integer(PreCre),
?line do_pp_creations(What, Cre),
?line PostCre = get_next_id(What),
?line ?t:format("post creations = ~p~n", [PostCre]),
?line true = is_integer(PostCre),
?line true = PreCre > PostCre,
?line Now = set_next_id(What, ?MAX_PIDS_PORTS div 2),
?line ?t:format("reset to = ~p~n", [Now]),
?line true = is_integer(Now),
?line ok.
set_high_pp_next(What) ->
?line set_high_pp_next(What, ?MAX_PIDS_PORTS-1).
set_high_pp_next(What, N) ->
?line M = set_next_id(What, N),
?line true = is_integer(M),
?line case {M >= N, M =< ?MAX_PIDS_PORTS} of
{true, true} ->
?line ?MAX_PIDS_PORTS - M + 1;
_ ->
?line set_high_pp_next(What, N - 100)
end.
do_pp_creations(_What, N) when is_integer(N), N =< 0 ->
?line done;
do_pp_creations(pid, N) when is_integer(N) ->
%% Create new pid and make sure it works...
?line Me = self(),
?line Ref = make_ref(),
?line Pid = spawn_link(fun () ->
receive
Ref ->
Me ! Ref
end
end),
?line Pid ! Ref,
?line receive
Ref ->
?line do_pp_creations(pid, N - 1)
end;
do_pp_creations(port, N) when is_integer(N) ->
%% Create new port and make sure it works...
?line "hej" = os:cmd("echo hej") -- "\n",
?line do_pp_creations(port, N - 1).
bad_nc(doc) -> [];
bad_nc(suite) -> [];
bad_nc(Config) when is_list(Config) ->
% Make sure emulator don't crash on bad node containers...
?line MaxPidNum = (1 bsl 15) - 1,
?line MaxPidSer = ?MAX_PIDS_PORTS bsr 15,
?line ThisNode = {node(), erlang:system_info(creation)},
?line {'EXIT', {badarg, mk_pid, _}}
= (catch mk_pid(ThisNode, MaxPidNum + 1, 17)),
?line {'EXIT', {badarg, mk_pid, _}}
= (catch mk_pid(ThisNode, 4711, MaxPidSer + 1)),
?line {'EXIT', {badarg, mk_port, _}}
= (catch mk_port(ThisNode, ?MAX_PIDS_PORTS + 1)),
?line {'EXIT', {badarg, mk_ref, _}}
= (catch mk_ref(ThisNode,[(1 bsl 18), 4711, 4711])),
?line {'EXIT', {badarg, mk_ref, _}}
= (catch mk_ref(ThisNode, [4711, 4711, 4711, 4711, 4711, 4711, 4711])),
?line RemNode = {x@y, 2},
?line {'EXIT', {badarg, mk_pid, _}}
= (catch mk_pid(RemNode, MaxPidNum + 1, MaxPidSer)),
?line {'EXIT', {badarg, mk_pid, _}}
= (catch mk_pid(RemNode, MaxPidNum, MaxPidSer + 1)),
?line {'EXIT', {badarg, mk_port, _}}
= (catch mk_port(RemNode, ?MAX_PIDS_PORTS + 1)),
?line {'EXIT', {badarg, mk_ref, _}}
= (catch mk_ref(RemNode, [(1 bsl 18), 4711, 4711])),
?line {'EXIT', {badarg, mk_ref, _}}
= (catch mk_ref(RemNode, [4711, 4711, 4711, 4711, 4711, 4711, 4711])),
?line BadNode = {x@y, 4},
?line {'EXIT', {badarg, mk_pid, _}}
= (catch mk_pid(BadNode, 4711, 17)),
?line {'EXIT', {badarg, mk_port, _}}
= (catch mk_port(BadNode, 4711)),
?line {'EXIT', {badarg, mk_ref, _}}
= (catch mk_ref(BadNode, [4711, 4711, 17])),
?line ok.
-define(NO_PIDS, 1000000).
unique_pid(doc) -> [];
unique_pid(suite) -> [];
unique_pid(Config) when is_list(Config) ->
case catch erlang:system_info(modified_timing_level) of
Level when is_integer(Level) ->
{skip,
"Modified timing (level " ++ integer_to_list(Level)
++ ") is enabled. spawn() is too slow for this "
" test when modified timing is enabled."};
_ ->
?line ?NO_PIDS = length(lists:usort(mkpidlist(?NO_PIDS, []))),
?line ok
end.
mkpidlist(0, Ps) -> Ps;
mkpidlist(N, Ps) -> mkpidlist(N-1, [spawn(fun () -> ok end)|Ps]).
iter_max_procs(doc) -> [];
iter_max_procs(suite) -> [];
iter_max_procs(Config) when is_list(Config) ->
?line NoMoreTests = make_ref(),
?line erlang:send_after(10000, self(), NoMoreTests),
?line Res = chk_max_proc_line(),
?line Res = chk_max_proc_line(),
?line done = chk_max_proc_line_until(NoMoreTests, Res),
?line {comment,
io_lib:format("max processes = ~p; "
"process line length = ~p",
[element(2, Res), element(1, Res)])}.
max_proc_line(Root, Parent, N) ->
Me = self(),
case catch spawn_link(fun () -> max_proc_line(Root, Me, N+1) end) of
{'EXIT', {system_limit, _}} when Root /= self() ->
Root ! {proc_line_length, N, self()},
receive remove_proc_line -> Parent ! {exiting, Me} end;
P when is_pid(P), Root =/= self() ->
receive {exiting, P} -> Parent ! {exiting, Me} end;
P when is_pid(P) ->
P;
Unexpected ->
exit({unexpected_spawn_result, Unexpected})
end.
chk_max_proc_line() ->
?line Child = max_proc_line(self(), self(), 0),
?line receive
{proc_line_length, PLL, End} ->
?line PC = erlang:system_info(process_count),
?line LP = length(processes()),
?line ?t:format("proc line length = ~p; "
"process count = ~p; "
"length processes = ~p~n",
[PLL, PC, LP]),
?line End ! remove_proc_line,
?line PC = LP,
?line receive {exiting, Child} -> ok end,
?line {PLL, PC}
end.
chk_max_proc_line_until(NoMoreTests, Res) ->
receive
NoMoreTests ->
?line done
after 0 ->
?line Res = chk_max_proc_line(),
?line chk_max_proc_line_until(NoMoreTests, Res)
end.
%%
%% -- Internal utils ---------------------------------------------------------
%%
-define(ND_REFS, erts_debug:get_internal_state(node_and_dist_references)).
node_container_refc_check(Node) when is_atom(Node) ->
AIS = available_internal_state(true),
nc_refc_check(Node),
available_internal_state(AIS).
nc_refc_check(Node) when is_atom(Node) ->
Ref = make_ref(),
Self = self(),
?t:format("Starting reference count check of node ~w~n", [Node]),
spawn_link(Node,
fun () ->
{{node_references, NodeRefs},
{dist_references, DistRefs}} = ?ND_REFS,
check_nd_refc({node(), erlang:system_info(creation)},
NodeRefs,
DistRefs,
fun (ErrMsg) ->
Self ! {Ref, ErrMsg, failed},
exit(normal)
end),
Self ! {Ref, succeded}
end),
receive
{Ref, ErrorMsg, failed} ->
?t:format("~s~n", [ErrorMsg]),
?t:fail(reference_count_check_failed);
{Ref, succeded} ->
?t:format("Reference count check of node ~w succeded!~n", [Node]),
ok
end.
check_nd_refc({ThisNodeName, ThisCreation}, NodeRefs, DistRefs, Fail) ->
case catch begin
check_refc(ThisNodeName,ThisCreation,"node table",NodeRefs),
check_refc(ThisNodeName,ThisCreation,"dist table",DistRefs),
ok
end of
ok ->
ok;
{'EXIT', Reason} ->
{Y,Mo,D} = date(),
{H,Mi,S} = time(),
ErrMsg = io_lib:format("~n"
"*** Reference count check of node ~w "
"failed (~p) at ~w~w~w ~w:~w:~w~n"
"*** Node table references:~n ~p~n"
"*** Dist table references:~n ~p~n",
[node(), Reason, Y, Mo, D, H, Mi, S,
NodeRefs, DistRefs]),
Fail(lists:flatten(ErrMsg))
end.
check_refc(ThisNodeName,ThisCreation,Table,EntryList) when is_list(EntryList) ->
lists:foreach(
fun ({Entry, Refc, ReferrerList}) ->
{DelayedDeleteTimer,
FoundRefs} =
lists:foldl(
fun ({Referrer, ReferencesList}, {DDT, A1}) ->
{case Referrer of
{system,delayed_delete_timer} ->
true;
_ ->
DDT
end,
A1 + lists:foldl(fun ({_T,Rs},A2) ->
A2+Rs
end,
0,
ReferencesList)}
end,
{false, 0},
ReferrerList),
%% Reference count equals found references?
case {Refc, FoundRefs, DelayedDeleteTimer} of
{X, X, _} ->
ok;
{0, 1, true} ->
ok;
_ ->
exit({invalid_reference_count, Table, Entry})
end,
%% All entries in table referred to?
case {Entry, Refc} of
{ThisNodeName, 0} -> ok;
{{ThisNodeName, ThisCreation}, 0} -> ok;
{_, 0} when DelayedDeleteTimer == false ->
exit({not_referred_entry_in_table, Table, Entry});
{_, _} -> ok
end
end,
EntryList),
ok.
get_node_references({NodeName, Creation} = Node) when is_atom(NodeName),
is_integer(Creation) ->
{{node_references, NodeRefs},
{dist_references, DistRefs}} = ?ND_REFS,
check_nd_refc({node(), erlang:system_info(creation)},
NodeRefs,
DistRefs,
fun (ErrMsg) ->
?t:format("~s", [ErrMsg]),
?t:fail(reference_count_check_failed)
end),
find_references(Node, NodeRefs).
get_dist_references(NodeName) when is_atom(NodeName) ->
?line {{node_references, NodeRefs},
{dist_references, DistRefs}} = ?ND_REFS,
?line check_nd_refc({node(), erlang:system_info(creation)},
NodeRefs,
DistRefs,
fun (ErrMsg) ->
?line ?t:format("~s", [ErrMsg]),
?line ?t:fail(reference_count_check_failed)
end),
?line find_references(NodeName, DistRefs).
find_references(N, NRefList) ->
case lists:keysearch(N, 1, NRefList) of
{value, {N, _, ReferrersList}} -> ReferrersList;
_ -> false
end.
%% Currently unused
% refering_entity_type(RefererType, ReferingEntities) ->
% lists:filter(fun ({{RT, _}, _}) when RT == RefererType ->
% true;
% (_) ->
% false
% end,
% ReferingEntities).
refering_entity_id(ReferingEntityId, [{ReferingEntityId,_} = ReferingEntity
| _ReferingEntities]) ->
ReferingEntity;
refering_entity_id(ReferingEntityId, [_ | ReferingEntities]) ->
refering_entity_id(ReferingEntityId, ReferingEntities);
refering_entity_id(_, []) ->
false.
reference_type_count(_, false) ->
0;
reference_type_count(Type, {_, _ReferenceCountList} = ReferingEntity) ->
reference_type_count(Type, [ReferingEntity]);
reference_type_count(Type, ReferingEntities) when is_list(ReferingEntities) ->
lists:foldl(fun ({_, ReferenceCountList}, Acc1) ->
lists:foldl(fun ({T, N}, Acc2) when T == Type ->
N + Acc2;
(_, Acc2) ->
Acc2
end,
Acc1,
ReferenceCountList)
end,
0,
ReferingEntities).
start_node(Name, Args) ->
?line Pa = filename:dirname(code:which(?MODULE)),
?line Res = test_server:start_node(Name,
slave,
[{args, "-pa "++Pa++" "++Args}]),
?line {ok, Node} = Res,
?line rpc:call(Node, erts_debug, set_internal_state,
[available_internal_state, true]),
?line Res.
start_node(Name) ->
?line start_node(Name, "").
stop_node(Node) ->
?line nc_refc_check(Node),
?line true = test_server:stop_node(Node).
hostname() ->
from($@, atom_to_list(node())).
from(H, [H | T]) -> T;
from(H, [_ | T]) -> from(H, T);
from(_H, []) -> [].
wait_until(Pred) ->
case Pred() of
true -> ok;
false -> receive after 100 -> wait_until(Pred) end
end.
get_nodefirstname_string() ->
atom_to_list(?MODULE)
++ "-"
++ integer_to_list(erlang:system_time(seconds))
++ "-"
++ integer_to_list(erlang:unique_integer([positive])).
get_nodefirstname() ->
list_to_atom(get_nodefirstname_string()).
get_nodename() ->
list_to_atom(get_nodefirstname_string()
++ "@"
++ hostname()).
-define(VERSION_MAGIC, 131).
-define(ATOM_EXT, 100).
-define(REFERENCE_EXT, 101).
-define(PORT_EXT, 102).
-define(PID_EXT, 103).
-define(NEW_REFERENCE_EXT, 114).
uint32_be(Uint) when is_integer(Uint), 0 =< Uint, Uint < 1 bsl 32 ->
[(Uint bsr 24) band 16#ff,
(Uint bsr 16) band 16#ff,
(Uint bsr 8) band 16#ff,
Uint band 16#ff];
uint32_be(Uint) ->
exit({badarg, uint32_be, [Uint]}).
uint16_be(Uint) when is_integer(Uint), 0 =< Uint, Uint < 1 bsl 16 ->
[(Uint bsr 8) band 16#ff,
Uint band 16#ff];
uint16_be(Uint) ->
exit({badarg, uint16_be, [Uint]}).
uint8(Uint) when is_integer(Uint), 0 =< Uint, Uint < 1 bsl 8 ->
Uint band 16#ff;
uint8(Uint) ->
exit({badarg, uint8, [Uint]}).
mk_pid({NodeName, Creation}, Number, Serial) when is_atom(NodeName) ->
mk_pid({atom_to_list(NodeName), Creation}, Number, Serial);
mk_pid({NodeName, Creation}, Number, Serial) ->
case catch binary_to_term(list_to_binary([?VERSION_MAGIC,
?PID_EXT,
?ATOM_EXT,
uint16_be(length(NodeName)),
NodeName,
uint32_be(Number),
uint32_be(Serial),
uint8(Creation)])) of
Pid when is_pid(Pid) ->
Pid;
{'EXIT', {badarg, _}} ->
exit({badarg, mk_pid, [{NodeName, Creation}, Number, Serial]});
Other ->
exit({unexpected_binary_to_term_result, Other})
end.
mk_port({NodeName, Creation}, Number) when is_atom(NodeName) ->
mk_port({atom_to_list(NodeName), Creation}, Number);
mk_port({NodeName, Creation}, Number) ->
case catch binary_to_term(list_to_binary([?VERSION_MAGIC,
?PORT_EXT,
?ATOM_EXT,
uint16_be(length(NodeName)),
NodeName,
uint32_be(Number),
uint8(Creation)])) of
Port when is_port(Port) ->
Port;
{'EXIT', {badarg, _}} ->
exit({badarg, mk_port, [{NodeName, Creation}, Number]});
Other ->
exit({unexpected_binary_to_term_result, Other})
end.
mk_ref({NodeName, Creation}, Numbers) when is_atom(NodeName),
is_integer(Creation),
is_list(Numbers) ->
mk_ref({atom_to_list(NodeName), Creation}, Numbers);
mk_ref({NodeName, Creation}, [Number]) when is_list(NodeName),
is_integer(Creation),
is_integer(Number) ->
case catch binary_to_term(list_to_binary([?VERSION_MAGIC,
?REFERENCE_EXT,
?ATOM_EXT,
uint16_be(length(NodeName)),
NodeName,
uint32_be(Number),
uint8(Creation)])) of
Ref when is_reference(Ref) ->
Ref;
{'EXIT', {badarg, _}} ->
exit({badarg, mk_ref, [{NodeName, Creation}, [Number]]});
Other ->
exit({unexpected_binary_to_term_result, Other})
end;
mk_ref({NodeName, Creation}, Numbers) when is_list(NodeName),
is_integer(Creation),
is_list(Numbers) ->
case catch binary_to_term(list_to_binary([?VERSION_MAGIC,
?NEW_REFERENCE_EXT,
uint16_be(length(Numbers)),
?ATOM_EXT,
uint16_be(length(NodeName)),
NodeName,
uint8(Creation),
lists:map(fun (N) ->
uint32_be(N)
end,
Numbers)])) of
Ref when is_reference(Ref) ->
Ref;
{'EXIT', {badarg, _}} ->
exit({badarg, mk_ref, [{NodeName, Creation}, Numbers]});
Other ->
exit({unexpected_binary_to_term_result, Other})
end.
exec_loop() ->
receive
{exec_fun, Fun} when is_function(Fun) ->
Fun();
{sync_exec_fun, From, Fun} when is_pid(From), is_function(Fun) ->
From ! {sync_exec_fun_res, self(), Fun()}
end,
exec_loop().
spawn_execer(Node) ->
spawn(Node, fun () -> exec_loop() end).
spawn_link_execer(Node) ->
spawn_link(Node, fun () -> exec_loop() end).
exec(Pid, Fun) when is_pid(Pid), is_function(Fun) ->
Pid ! {exec_fun, Fun}.
sync_exec(Pid, Fun) when is_pid(Pid), is_function(Fun) ->
Pid ! {sync_exec_fun, self(), Fun},
receive
{sync_exec_fun_res, Pid, Res} ->
Res
end.
