diff options
Diffstat (limited to 'erts/emulator/test/distribution_SUITE.erl')
| -rw-r--r-- | erts/emulator/test/distribution_SUITE.erl | 490 |
1 files changed, 398 insertions, 92 deletions
diff --git a/erts/emulator/test/distribution_SUITE.erl b/erts/emulator/test/distribution_SUITE.erl index 8f48d8a992..19281f6d58 100644 --- a/erts/emulator/test/distribution_SUITE.erl +++ b/erts/emulator/test/distribution_SUITE.erl @@ -1,65 +1,92 @@ %% %% %CopyrightBegin% -%% -%% Copyright Ericsson AB 1997-2009. All Rights Reserved. -%% +%% +%% Copyright Ericsson AB 1997-2011. 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(distribution_SUITE). +-compile(r12). %% Tests distribution and the tcp driver. --include("test_server.hrl"). +-include_lib("test_server/include/test_server.hrl"). --export([all/1, - ping/1, bulk_send/1, bulk_send_small/1, - bulk_send_big/1, - local_send/1, local_send_small/1, local_send_big/1, +-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, + init_per_group/2,end_per_group/2, + ping/1, bulk_send_small/1, + bulk_send_big/1, bulk_send_bigbig/1, + local_send_small/1, local_send_big/1, local_send_legal/1, link_to_busy/1, exit_to_busy/1, lost_exit/1, link_to_dead/1, link_to_dead_new_node/1, applied_monitor_node/1, ref_port_roundtrip/1, nil_roundtrip/1, - trap_bif/1, trap_bif_1/1, trap_bif_2/1, trap_bif_3/1, - stop_dist/1, dist_auto_connect/1, + trap_bif_1/1, trap_bif_2/1, trap_bif_3/1, + stop_dist/1, dist_auto_connect_never/1, dist_auto_connect_once/1, dist_parallel_send/1, atom_roundtrip/1, atom_roundtrip_r12b/1, contended_atom_cache_entry/1, - bad_dist_ext/1, + bad_dist_structure/1, bad_dist_ext_receive/1, bad_dist_ext_process_info/1, bad_dist_ext_control/1, bad_dist_ext_connection_id/1]). --export([init_per_testcase/2, fin_per_testcase/2]). +-export([init_per_testcase/2, end_per_testcase/2]). %% Internal exports. -export([sender/3, receiver2/2, dummy_waiter/0, dead_process/0, roundtrip/1, bounce/1, do_dist_auto_connect/1, inet_rpc_server/1, dist_parallel_sender/3, dist_parallel_receiver/0, - dist_evil_parallel_receiver/0]). - -all(suite) -> [ - ping, bulk_send, local_send, link_to_busy, exit_to_busy, - lost_exit, link_to_dead, link_to_dead_new_node, - applied_monitor_node, ref_port_roundtrip, nil_roundtrip, - stop_dist, trap_bif, dist_auto_connect, dist_parallel_send, - atom_roundtrip, atom_roundtrip_r12b, - contended_atom_cache_entry, - bad_dist_ext - ]. + dist_evil_parallel_receiver/0, + sendersender/4, sendersender2/4]). + +suite() -> [{ct_hooks,[ts_install_cth]}]. + +all() -> + [ping, {group, bulk_send}, {group, local_send}, + link_to_busy, exit_to_busy, lost_exit, link_to_dead, + link_to_dead_new_node, applied_monitor_node, + ref_port_roundtrip, nil_roundtrip, stop_dist, + {group, trap_bif}, {group, dist_auto_connect}, + dist_parallel_send, atom_roundtrip, atom_roundtrip_r12b, + contended_atom_cache_entry, bad_dist_structure, {group, bad_dist_ext}]. + +groups() -> + [{bulk_send, [], [bulk_send_small, bulk_send_big, bulk_send_bigbig]}, + {local_send, [], + [local_send_small, local_send_big, local_send_legal]}, + {trap_bif, [], [trap_bif_1, trap_bif_2, trap_bif_3]}, + {dist_auto_connect, [], + [dist_auto_connect_never, dist_auto_connect_once]}, + {bad_dist_ext, [], + [bad_dist_ext_receive, bad_dist_ext_process_info, + bad_dist_ext_control, bad_dist_ext_connection_id]}]. + +init_per_suite(Config) -> + Config. + +end_per_suite(_Config) -> + ok. + +init_per_group(_GroupName, Config) -> + Config. + +end_per_group(_GroupName, Config) -> + Config. -define(DEFAULT_TIMETRAP, 4*60*1000). @@ -67,7 +94,7 @@ init_per_testcase(Func, Config) when is_atom(Func), is_list(Config) -> Dog=?t:timetrap(?DEFAULT_TIMETRAP), [{watchdog, Dog},{testcase, Func}|Config]. -fin_per_testcase(Func, Config) when is_atom(Func), is_list(Config) -> +end_per_testcase(Func, Config) when is_atom(Func), is_list(Config) -> Dog=?config(watchdog, Config), ?t:timetrap_cancel(Dog). @@ -115,19 +142,15 @@ ping(Config) when is_list(Config) -> ok. -bulk_send(doc) -> - ["Tests sending large amount of data to another node and measure", - "the time. This tests that a process that is suspended on a ", - "busy port will eventually be resumed."]; -bulk_send(suite) -> - [bulk_send_small, bulk_send_big]. - bulk_send_small(Config) when is_list(Config) -> ?line bulk_send(64, 32). bulk_send_big(Config) when is_list(Config) -> ?line bulk_send(32, 64). +bulk_send_bigbig(Config) when is_list(Config) -> + ?line bulk_sendsend(32*5, 4). + bulk_send(Terms, BinSize) -> ?line Dog = test_server:timetrap(test_server:seconds(30)), @@ -144,6 +167,58 @@ bulk_send(Terms, BinSize) -> ?line test_server:timetrap_cancel(Dog), {comment, integer_to_list(trunc(Size/1024/Elapsed+0.5)) ++ " K/s"}. +bulk_sendsend(Terms, BinSize) -> + {Rate1, MonitorCount1} = bulk_sendsend2(Terms, BinSize, 5), + {Rate2, MonitorCount2} = bulk_sendsend2(Terms, BinSize, 995), + Ratio = if MonitorCount2 == 0 -> MonitorCount1 / 1.0; + true -> MonitorCount1 / MonitorCount2 + end, + Comment = integer_to_list(Rate1) ++ " K/s, " ++ + integer_to_list(Rate2) ++ " K/s, " ++ + integer_to_list(MonitorCount1) ++ " monitor msgs, " ++ + integer_to_list(MonitorCount2) ++ " monitor msgs, " ++ + float_to_list(Ratio) ++ " monitor ratio", + if + %% A somewhat arbitrary ratio, but hopefully one that will + %% accommodate a wide range of CPU speeds. + Ratio > 8.0 -> + {comment,Comment}; + true -> + io:put_chars(Comment), + ?line ?t:fail(ratio_too_low) + end. + +bulk_sendsend2(Terms, BinSize, BusyBufSize) -> + ?line Dog = test_server:timetrap(test_server:seconds(30)), + + ?line io:format("Sending ~w binaries, each of size ~w K", + [Terms, BinSize]), + ?line {ok, NodeRecv} = start_node(bulk_receiver), + ?line Recv = spawn(NodeRecv, erlang, apply, [fun receiver/2, [0, 0]]), + ?line Bin = list_to_binary(lists:duplicate(BinSize*1024, 253)), + %%?line Size = Terms*size(Bin), + + %% SLF LEFT OFF HERE. + %% When the caller uses small hunks, like 4k via + %% bulk_sendsend(32*5, 4), then (on my laptop at least), we get + %% zero monitor messages. But if we use "+zdbbl 5", then we + %% get a lot of monitor messages. So, if we can count up the + %% total number of monitor messages that we get when running both + %% default busy size and "+zdbbl 5", and if the 5 case gets + %% "many many more" monitor messages, then we know we're working. + + ?line {ok, NodeSend} = start_node(bulk_sender, "+zdbbl " ++ integer_to_list(BusyBufSize)), + ?line _Send = spawn(NodeSend, erlang, apply, [fun sendersender/4, [self(), Recv, Bin, Terms]]), + ?line {Elapsed, {_TermsN, SizeN}, MonitorCount} = + receive {sendersender, BigRes} -> + BigRes + end, + ?line stop_node(NodeRecv), + ?line stop_node(NodeSend), + + ?line test_server:timetrap_cancel(Dog), + {trunc(SizeN/1024/Elapsed+0.5), MonitorCount}. + sender(To, _Bin, 0) -> To ! {done, self()}, receive @@ -154,6 +229,43 @@ sender(To, Bin, Left) -> To ! {term, Bin}, sender(To, Bin, Left-1). +%% Sender process to be run on a slave node + +sendersender(Parent, To, Bin, Left) -> + erlang:system_monitor(self(), [busy_dist_port]), + [spawn(fun() -> sendersender2(To, Bin, Left, false) end) || + _ <- lists:seq(1,1)], + {USec, {Res, MonitorCount}} = + timer:tc(?MODULE, sendersender2, [To, Bin, Left, true]), + Parent ! {sendersender, {USec/1000000, Res, MonitorCount}}. + +sendersender2(To, Bin, Left, SendDone) -> + sendersender3(To, Bin, Left, SendDone, 0). + +sendersender3(To, _Bin, 0, SendDone, MonitorCount) -> + if SendDone -> + To ! {done, self()}; + true -> + ok + end, + receive + {monitor, _Pid, _Type, _Info} -> + sendersender3(To, _Bin, 0, SendDone, MonitorCount + 1) + after 0 -> + if SendDone -> + receive + Any when is_tuple(Any), size(Any) == 2 -> + {Any, MonitorCount} + end; + true -> + exit(normal) + end + end; +sendersender3(To, Bin, Left, SendDone, MonitorCount) -> + To ! {term, Bin}, + %%timer:sleep(50), + sendersender3(To, Bin, Left-1, SendDone, MonitorCount). + %% Receiver process to be run on a slave node. receiver(Terms, Size) -> @@ -165,17 +277,14 @@ receiver(Terms, Size) -> end. -local_send(suite) -> - [local_send_small, local_send_big, local_send_legal]; -local_send(doc) -> - ["Tests sending small and big messages to a non-existing ", - "local registered process."]. local_send_big(doc) -> ["Sends several big message to an non-registered process on ", "the local node."]; local_send_big(Config) when is_list(Config) -> - Data0=local_send_big(doc)++local_send(doc), + Data0=local_send_big(doc)++ + ["Tests sending small and big messages to a non-existing ", + "local registered process."], Data1=[Data0,[Data0, Data0, [Data0], Data0],Data0], Data2=Data0++lists:flatten(Data1)++ list_to_binary(lists:flatten(Data1)), @@ -227,7 +336,7 @@ receiver2(Num, TotSize) -> link_to_busy(doc) -> "Test that link/1 to a busy distribution port works."; link_to_busy(Config) when is_list(Config) -> - ?line Dog = test_server:timetrap(test_server:seconds(30)), + ?line Dog = test_server:timetrap(test_server:seconds(60)), ?line {ok, Node} = start_node(link_to_busy), ?line Recv = spawn(Node, erlang, apply, [fun sink/1, [link_to_busy_sink]]), @@ -274,7 +383,7 @@ tail_applied_linker(Pid) -> exit_to_busy(doc) -> "Test that exit/2 to a busy distribution port works."; exit_to_busy(Config) when is_list(Config) -> - ?line Dog = test_server:timetrap(test_server:seconds(30)), + ?line Dog = test_server:timetrap(test_server:seconds(60)), ?line {ok, Node} = start_node(exit_to_busy), Tracer = case os:getenv("TRACE_BUSY_DIST_PORT") of @@ -432,7 +541,7 @@ sink1() -> lost_exit(doc) -> "Test that EXIT and DOWN messages send to another node are not lost if " - "if the distribution port is busy."; + "the distribution port is busy."; lost_exit(Config) when is_list(Config) -> ?line {ok, Node} = start_node(lost_exit), @@ -661,9 +770,6 @@ stop_dist(Config) when is_list(Config) -> ok. -trap_bif(doc) -> - ["Verifies that BIFs which are traps to Erlang work (OTP-2680)."]; -trap_bif(suite) -> [trap_bif_1, trap_bif_2, trap_bif_3]. trap_bif_1(doc) -> [""]; @@ -700,10 +806,6 @@ tr3() -> -dist_auto_connect(doc) -> - ["Tests the kernel parameter 'dist_auto_connect'."]; -dist_auto_connect(suite) -> - [dist_auto_connect_never, dist_auto_connect_once]. % This has to be done by nodes with differrent cookies, otherwise global % will connect nodes, which is correct, but makes it hard to test. @@ -1053,8 +1155,7 @@ contended_atom_cache_entry(Config) when is_list(Config) -> ?line {ok, SNode} = start_node(Config), ?line {ok, RNode} = start_node(Config), ?line Success = make_ref(), - ?line Mstr - = spawn_link( + ?line spawn_link( SNode, fun () -> erts_debug:set_internal_state(available_internal_state, @@ -1111,13 +1212,13 @@ contended_atom_cache_entry(Config) when is_list(Config) -> ?line stop_node(RNode), ?line ok. -send_ref_atom(To, Ref, Atom, 0) -> +send_ref_atom(_To, _Ref, _Atom, 0) -> ok; send_ref_atom(To, Ref, Atom, N) -> To ! {Ref, Atom}, send_ref_atom(To, Ref, Atom, N-1). -receive_ref_atom(Ref, Atom, 0) -> +receive_ref_atom(_Ref, _Atom, 0) -> ok; receive_ref_atom(Ref, Atom, N) -> receive @@ -1152,7 +1253,7 @@ unwanted_cixs() -> nodes()). -get_conflicting_atoms(CIX, 0) -> +get_conflicting_atoms(_CIX, 0) -> []; get_conflicting_atoms(CIX, N) -> {A, B, C} = now(), @@ -1166,13 +1267,187 @@ get_conflicting_atoms(CIX, N) -> get_conflicting_atoms(CIX, N) end. +-define(COOKIE, ''). +-define(DOP_LINK, 1). +-define(DOP_SEND, 2). +-define(DOP_EXIT, 3). +-define(DOP_UNLINK, 4). +-define(DOP_REG_SEND, 6). +-define(DOP_GROUP_LEADER, 7). +-define(DOP_EXIT2, 8). + +-define(DOP_SEND_TT, 12). +-define(DOP_EXIT_TT, 13). +-define(DOP_REG_SEND_TT, 16). +-define(DOP_EXIT2_TT, 18). + +-define(DOP_MONITOR_P, 19). +-define(DOP_DEMONITOR_P, 20). +-define(DOP_MONITOR_P_EXIT, 21). + +start_monitor(Offender,P) -> + ?line Parent = self(), + ?line Q = spawn(Offender, + fun () -> + Ref = erlang:monitor(process,P), + Parent ! {self(),ref,Ref}, + receive + just_stay_alive -> ok + end + end), + ?line Ref = receive + {Q,ref,R} -> + R + after 5000 -> + error + end, + io:format("Ref is ~p~n",[Ref]), + ok. +start_link(Offender,P) -> + ?line Parent = self(), + ?line Q = spawn(Offender, + fun () -> + process_flag(trap_exit,true), + link(P), + Parent ! {self(),ref,P}, + receive + just_stay_alive -> ok + end + end), + ?line Ref = receive + {Q,ref,R} -> + R + after 5000 -> + error + end, + io:format("Ref is ~p~n",[Ref]), + ok. + +bad_dist_structure(suite) -> + []; +bad_dist_structure(doc) -> + ["Test dist messages with valid structure (binary to term ok) but malformed" + "control content"]; +bad_dist_structure(Config) when is_list(Config) -> + %process_flag(trap_exit,true), + ODog = ?config(watchdog, Config), + ?t:timetrap_cancel(ODog), + Dog = ?t:timetrap(?t:seconds(15)), + + ?line {ok, Offender} = start_node(bad_dist_structure_offender), + ?line {ok, Victim} = start_node(bad_dist_structure_victim), + ?line start_node_monitors([Offender,Victim]), + ?line Parent = self(), + ?line P = spawn(Victim, + fun () -> + process_flag(trap_exit,true), + Parent ! {self(), started}, + receive check_msgs -> ok end, + bad_dist_struct_check_msgs([one, + two]), + Parent ! {self(), messages_checked}, + receive done -> ok end + end), + ?line receive {P, started} -> ok end, + ?line pong = rpc:call(Victim, net_adm, ping, [Offender]), + ?line verify_up(Offender, Victim), + ?line true = lists:member(Offender, rpc:call(Victim, erlang, nodes, [])), + ?line start_monitor(Offender,P), + ?line P ! one, + ?line send_bad_structure(Offender, P,{?DOP_MONITOR_P_EXIT,'replace',P,normal},2), + ?line pong = rpc:call(Victim, net_adm, ping, [Offender]), + ?line start_monitor(Offender,P), + ?line send_bad_structure(Offender, P,{?DOP_MONITOR_P_EXIT,'replace',P,normal,normal},2), + ?line pong = rpc:call(Victim, net_adm, ping, [Offender]), + ?line start_link(Offender,P), + ?line send_bad_structure(Offender, P,{?DOP_LINK},0), + ?line pong = rpc:call(Victim, net_adm, ping, [Offender]), + ?line start_link(Offender,P), + ?line send_bad_structure(Offender, P,{?DOP_UNLINK,'replace'},2), + ?line pong = rpc:call(Victim, net_adm, ping, [Offender]), + ?line start_link(Offender,P), + ?line send_bad_structure(Offender, P,{?DOP_UNLINK,'replace',make_ref()},2), + ?line pong = rpc:call(Victim, net_adm, ping, [Offender]), + ?line start_link(Offender,P), + ?line send_bad_structure(Offender, P,{?DOP_UNLINK,make_ref(),P},0), + ?line pong = rpc:call(Victim, net_adm, ping, [Offender]), + ?line start_link(Offender,P), + ?line send_bad_structure(Offender, P,{?DOP_UNLINK,normal,normal},0), + ?line pong = rpc:call(Victim, net_adm, ping, [Offender]), + ?line start_monitor(Offender,P), + ?line send_bad_structure(Offender, P,{?DOP_MONITOR_P,'replace',P},2), + ?line pong = rpc:call(Victim, net_adm, ping, [Offender]), + ?line start_monitor(Offender,P), + ?line send_bad_structure(Offender, P,{?DOP_MONITOR_P,'replace',P,normal},2), + ?line pong = rpc:call(Victim, net_adm, ping, [Offender]), + ?line start_monitor(Offender,P), + ?line send_bad_structure(Offender, P,{?DOP_DEMONITOR_P,'replace',P},2), + ?line pong = rpc:call(Victim, net_adm, ping, [Offender]), + ?line start_monitor(Offender,P), + ?line send_bad_structure(Offender, P,{?DOP_DEMONITOR_P,'replace',P,normal},2), + ?line pong = rpc:call(Victim, net_adm, ping, [Offender]), + ?line send_bad_structure(Offender, P,{?DOP_EXIT,'replace',P},2), + ?line pong = rpc:call(Victim, net_adm, ping, [Offender]), + ?line send_bad_structure(Offender, P,{?DOP_EXIT,make_ref(),normal,normal},0), + ?line pong = rpc:call(Victim, net_adm, ping, [Offender]), + ?line send_bad_structure(Offender, P,{?DOP_EXIT_TT,'replace',token,P},2), + ?line pong = rpc:call(Victim, net_adm, ping, [Offender]), + ?line send_bad_structure(Offender, P,{?DOP_EXIT_TT,make_ref(),token,normal,normal},0), + ?line pong = rpc:call(Victim, net_adm, ping, [Offender]), + ?line send_bad_structure(Offender, P,{?DOP_EXIT2,'replace',P},2), + ?line pong = rpc:call(Victim, net_adm, ping, [Offender]), + ?line send_bad_structure(Offender, P,{?DOP_EXIT2,make_ref(),normal,normal},0), + ?line pong = rpc:call(Victim, net_adm, ping, [Offender]), + ?line send_bad_structure(Offender, P,{?DOP_EXIT2_TT,'replace',token,P},2), + ?line pong = rpc:call(Victim, net_adm, ping, [Offender]), + ?line send_bad_structure(Offender, P,{?DOP_EXIT2_TT,make_ref(),token,normal,normal},0), + ?line pong = rpc:call(Victim, net_adm, ping, [Offender]), + ?line send_bad_structure(Offender, P,{?DOP_GROUP_LEADER,'replace'},2), + ?line pong = rpc:call(Victim, net_adm, ping, [Offender]), + ?line send_bad_structure(Offender, P,{?DOP_GROUP_LEADER,'replace','atomic'},2), + ?line pong = rpc:call(Victim, net_adm, ping, [Offender]), + ?line send_bad_structure(Offender, P,{?DOP_GROUP_LEADER,'replace',P},0), + ?line pong = rpc:call(Victim, net_adm, ping, [Offender]), + ?line send_bad_structure(Offender, P,{?DOP_REG_SEND_TT,'replace','',name},2,{message}), + ?line pong = rpc:call(Victim, net_adm, ping, [Offender]), + ?line send_bad_structure(Offender, P,{?DOP_REG_SEND_TT,'replace','',name,token},0,{message}), + ?line pong = rpc:call(Victim, net_adm, ping, [Offender]), + ?line send_bad_structure(Offender, P,{?DOP_REG_SEND,'replace',''},2,{message}), + ?line pong = rpc:call(Victim, net_adm, ping, [Offender]), + ?line send_bad_structure(Offender, P,{?DOP_REG_SEND,'replace','',P},0,{message}), + ?line pong = rpc:call(Victim, net_adm, ping, [Offender]), + ?line send_bad_structure(Offender, P,{?DOP_REG_SEND,'replace','',name},0,{message}), + ?line pong = rpc:call(Victim, net_adm, ping, [Offender]), + ?line send_bad_structure(Offender, P,{?DOP_REG_SEND,'replace','',name,{token}},2,{message}), + ?line pong = rpc:call(Victim, net_adm, ping, [Offender]), + ?line send_bad_structure(Offender, P,{?DOP_SEND_TT,'',P},0,{message}), + ?line pong = rpc:call(Victim, net_adm, ping, [Offender]), + ?line send_bad_structure(Offender, P,{?DOP_SEND_TT,'',name,token},0,{message}), + ?line pong = rpc:call(Victim, net_adm, ping, [Offender]), + ?line send_bad_structure(Offender, P,{?DOP_SEND,''},0,{message}), + ?line pong = rpc:call(Victim, net_adm, ping, [Offender]), + ?line send_bad_structure(Offender, P,{?DOP_SEND,'',name},0,{message}), + ?line pong = rpc:call(Victim, net_adm, ping, [Offender]), + ?line send_bad_structure(Offender, P,{?DOP_SEND,'',P,{token}},0,{message}), + ?line pong = rpc:call(Victim, net_adm, ping, [Offender]), + ?line P ! two, + ?line P ! check_msgs, + ?line receive + {P, messages_checked} -> ok + after 5000 -> + exit(victim_is_dead) + end, + + ?line {message_queue_len, 0} + = rpc:call(Victim, erlang, process_info, [P, message_queue_len]), + + ?line unlink(P), + ?line P ! done, + ?line stop_node(Offender), + ?line stop_node(Victim), + ?t:timetrap_cancel(Dog), + ok. -bad_dist_ext(doc) -> []; -bad_dist_ext(suite) -> - [bad_dist_ext_receive, - bad_dist_ext_process_info, - bad_dist_ext_control, - bad_dist_ext_connection_id]. bad_dist_ext_receive(Config) when is_list(Config) -> @@ -1327,8 +1602,8 @@ bad_dist_ext_control(Config) when is_list(Config) -> ?line stop_node(Victim). bad_dist_ext_connection_id(Config) when is_list(Config) -> - ?line {ok, Offender} = start_node(bad_dist_ext_receive_offender), - ?line {ok, Victim} = start_node(bad_dist_ext_receive_victim), + ?line {ok, Offender} = start_node(bad_dist_ext_connection_id_offender), + ?line {ok, Victim} = start_node(bad_dist_ext_connection_id_victim), ?line start_node_monitors([Offender,Victim]), ?line Parent = self(), @@ -1393,6 +1668,22 @@ bad_dist_ext_connection_id(Config) when is_list(Config) -> ?line stop_node(Victim). +bad_dist_struct_check_msgs([]) -> + receive + Msg -> + exit({unexpected_message, Msg}) + after 0 -> + ok + end; +bad_dist_struct_check_msgs([M|Ms]) -> + receive + {'EXIT',_,_} = EM -> + io:format("Ignoring exit message: ~p~n",[EM]), + bad_dist_struct_check_msgs([M|Ms]); + Msg -> + M = Msg, + bad_dist_struct_check_msgs(Ms) + end. bad_dist_ext_check_msgs([]) -> receive Msg -> @@ -1407,24 +1698,6 @@ bad_dist_ext_check_msgs([M|Ms]) -> bad_dist_ext_check_msgs(Ms) end. --define(COOKIE, ''). --define(DOP_LINK, 1). --define(DOP_SEND, 2). --define(DOP_EXIT, 3). --define(DOP_UNLINK, 4). --define(DOP_NODE_LINK, 5). --define(DOP_REG_SEND, 6). --define(DOP_GROUP_LEADER, 7). --define(DOP_EXIT2, 8). - --define(DOP_SEND_TT, 12). --define(DOP_EXIT_TT, 13). --define(DOP_REG_SEND_TT, 16). --define(DOP_EXIT2_TT, 18). - --define(DOP_MONITOR_P, 19). --define(DOP_DEMONITOR_P, 20). --define(DOP_MONITOR_P_EXIT, 21). dport_reg_send(Node, Name, Msg) -> DPrt = case dport(Node) of @@ -1456,6 +1729,39 @@ dport_send(To, Msg) -> ?COOKIE, To}), dmsg_ext(Msg)]). +send_bad_structure(Offender,Victim,Bad,WhereToPutSelf) -> + send_bad_structure(Offender,Victim,Bad,WhereToPutSelf,[]). +send_bad_structure(Offender,Victim,Bad,WhereToPutSelf,PayLoad) -> + Parent = self(), + Done = make_ref(), + spawn(Offender, + fun () -> + Node = node(Victim), + pong = net_adm:ping(Node), + DPrt = dport(Node), + Bad1 = case WhereToPutSelf of + 0 -> + Bad; + N when N > 0 -> + setelement(N,Bad,self()) + end, + DData = [dmsg_hdr(), + dmsg_ext(Bad1)] ++ + case PayLoad of + [] -> []; + _Other -> [dmsg_ext(PayLoad)] + end, + port_command(DPrt, DData), + Parent ! {DData,Done} + end), + receive + {WhatSent,Done} -> + io:format("Offender sent ~p~n",[WhatSent]), + ok + after 5000 -> + exit(unable_to_send) + end. + %% send_bad_msgs(): %% Send a valid distribution header and control message @@ -1539,10 +1845,10 @@ dmsg_bad_hdr() -> 255]. % 255 atom references -dmsg_fake_hdr1() -> - A = <<"fake header atom 1">>, - [131, % Version Magic - $D, 1, 16#8, 0, size(A), A]. % Fake header +%% dmsg_fake_hdr1() -> +%% A = <<"fake header atom 1">>, +%% [131, % Version Magic +%% $D, 1, 16#8, 0, size(A), A]. % Fake header dmsg_fake_hdr2() -> A1 = <<"fake header atom 1">>, @@ -1727,7 +2033,7 @@ flush_node_changes() -> node_monitor_loop(Master) -> receive - {nodeup, Node, InfoList} = Msg -> + {nodeup, Node, _InfoList} = Msg -> Master ! {nodeup, node(), Node}, ?t:format("~p ~p: ~p~n", [node(), erlang:now(), Msg]), node_monitor_loop(Master); @@ -1764,9 +2070,9 @@ verify_no_down(A, B) -> ok end. -verify_down(A, B) -> - receive {nodedown, A, B, _} -> ok end, - receive {nodedown, B, A, _} -> ok end. +%% verify_down(A, B) -> +%% receive {nodedown, A, B, _} -> ok end, +%% receive {nodedown, B, A, _} -> ok end. verify_down(A, ReasonA, B, ReasonB) -> receive @@ -1786,11 +2092,11 @@ from(H, [H | T]) -> T; from(H, [_ | T]) -> from(H, T); from(_, []) -> []. -fun_spawn(Fun) -> - fun_spawn(Fun, []). +%% fun_spawn(Fun) -> +%% fun_spawn(Fun, []). -fun_spawn(Fun, Args) -> - spawn_link(erlang, apply, [Fun, Args]). +%% fun_spawn(Fun, Args) -> +%% spawn_link(erlang, apply, [Fun, Args]). long_or_short() -> |