greg/machi
1
0
Fork 0
Code Issues 11 Pull requests 1 Projects Releases Packages Wiki Activity Actions

WIP: remove lots of debugging cruft

Browse source
This commit is contained in:
Scott Lystig Fritchie 2014-11-03 23:14:53 +09:00
parent 4fac90f5a9
commit 258bce84d1
1 changed files with 14 additions and 46 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

60
prototype/poc-machi/src/machi_chain_manager1.erl
View file

@ -171,7 +171,6 @@ handle_cast(_Cast, #ch_mgr{init_finished=false} = S) ->
handle_cast({test_calc_proposed_projection}, #ch_mgr{myflu=MyFLU}=S) ->
RelativeToServer = MyFLU,
{Proj, S2} = calc_projection(S, RelativeToServer, [{author_proc, cast}]),
%% ?Dw({?LINE,make_projection_summary(Proj)}),
{noreply, S2#ch_mgr{proj_proposed=Proj}};
handle_cast(_Cast, S) ->
?D({cast_whaaaaaaaaaaa, _Cast}),
@ -413,8 +412,6 @@ calc_projection(_OldThreshold, _NoPartitionThreshold, LastProj,
F = fun() -> machi_flu0:proj_read_latest(H, private) end,
case perhaps_call_t(S, Partitions, MyFLU, F) of
{ok, RemotePrivateProj} ->
MySumm = make_projection_summary(S#ch_mgr.proj),
FarSumm = make_projection_summary(RemotePrivateProj),
if (S#ch_mgr.proj)#projection.epoch_number ==
RemotePrivateProj#projection.epoch_number
andalso
@ -467,6 +464,19 @@ calc_up_nodes(MyName, AllMembers, RunEnv1) ->
[Node || Node <- AllMembers,
not lists:member({MyName, Node}, Partitions2),
not lists:member({Node, MyName}, Partitions2)]),
%% UpViaIslands = lists:sort(lists:flatten([Island ||
%% Island <- _Islands,
%% lists:member(MyName, Island)])),
%% try
%% case get(hack_island) of
%% undefined ->
%% ok;
%% _ ->
%% UpNodes = UpViaIslands
%% end
%% catch _:_ ->
%% exit({damn, MyName, UpNodes, Partitions2, _Islands})
%% end,
RunEnv2 = replace(RunEnv1,
[%% {seed, Seed2},
{network_partitions, Partitions2},
@ -494,11 +504,6 @@ make_projection_summary(#projection{epoch_number=EpochNum,
{upi,UPI_list},{repair,Repairing_list},{down,Down_list},
{d,Dbg}, {d2,Dbg2}].
roll_dice(N, RunEnv) ->
Seed1 = proplists:get_value(seed, RunEnv),
{Val, Seed2} = random:uniform_s(N, Seed1),
{Val, replace(RunEnv, [{seed, Seed2}])}.
rank_and_sort_projections(Ps, CurrentProj) ->
Epoch = lists:max([Proj#projection.epoch_number || Proj <- Ps]),
MaxPs = [Proj || Proj <- Ps,
@ -547,12 +552,9 @@ react_to_env_A30(Retries, P_newprop, S) ->
put(react, [a30|get(react)]),
{UnanimousTag, P_latest, ReadExtra, S2} =
do_cl_read_latest_public_projection(true, S),
LatestEpoch = P_latest#projection.epoch_number, ?D({UnanimousTag, LatestEpoch}),
UnanimousFLUs = lists:sort(proplists:get_value(unanimous_flus, ReadExtra)),
UPI_Repairing_FLUs = lists:sort(P_latest#projection.upi ++
P_latest#projection.repairing),
%% ?D(UPI_Repairing_FLUs),
%% ?D(UnanimousFLUs), timer:sleep(100),
All_UPI_Repairing_were_unanimous = UPI_Repairing_FLUs == UnanimousFLUs,
LatestUnanimousP =
if UnanimousTag == unanimous
@ -581,19 +583,12 @@ react_to_env_A40(Retries, P_newprop, P_latest, LatestUnanimousP,
ok
end,
%% Proj = S#ch_mgr.proj, if Proj#projection.epoch_number >= 7 -> ?Dw({Rank_newprop,Rank_latest}); true -> ok end,
if
P_latest#projection.epoch_number > P_current#projection.epoch_number
orelse
not LatestUnanimousP ->
put(react, [{a40, ?LINE, P_latest#projection.epoch_number > P_current#projection.epoch_number, not LatestUnanimousP}|get(react)]),
?D({a40,?LINE}),
?D(P_latest#projection.epoch_number),
?D(P_current#projection.epoch_number),
?D(LatestUnanimousP),
%% 1st clause: someone else has written a newer projection
%% 2nd clause: a network partition has healed, revealing a
%% differing opinion.
@ -604,7 +599,6 @@ react_to_env_A40(Retries, P_newprop, P_latest, LatestUnanimousP,
orelse
P_latest /= P_current ->
put(react, [{a40, ?LINE}|get(react)]),
?D({a40,?LINE}),
%% Both of these cases are rare. Elsewhere, the code
%% assumes that the local FLU's projection store is always
@ -630,7 +624,6 @@ react_to_env_A40(Retries, P_newprop, P_latest, LatestUnanimousP,
%% A40a (see flowchart)
Rank_newprop > Rank_latest ->
put(react, [{a40, ?LINE}|get(react)]),
?D({a40,?LINE}),
react_to_env_C300(P_newprop, P_latest, S);
%% A40b (see flowchart)
@ -640,13 +633,11 @@ react_to_env_A40(Retries, P_newprop, P_latest, LatestUnanimousP,
orelse
P_newprop#projection.repairing /= P_latest#projection.repairing) ->
put(react, [{a40, ?LINE}|get(react)]),
?D({a40,?LINE}),
react_to_env_C300(P_newprop, P_latest, S);
%% A40c (see flowchart)
LatestAuthorDownP ->
put(react, [{a40, ?LINE}|get(react)]),
?D({a40,?LINE}),
%% TODO: I believe that membership in the
%% P_newprop#projection.down is not sufficient for long
@ -671,7 +662,6 @@ react_to_env_A40(Retries, P_newprop, P_latest, LatestUnanimousP,
true ->
put(react, [{a40, ?LINE}|get(react)]),
?D({a40,?LINE}),
{{no_change, P_latest#projection.epoch_number}, S}
end.
@ -681,12 +671,10 @@ react_to_env_B10(Retries, P_newprop, P_latest, LatestUnanimousP,
if
LatestUnanimousP ->
put(react, [{b10, ?LINE}|get(react)]),
?D({b10, ?LINE}),
react_to_env_C100(P_newprop, P_latest, S);
Retries > 2 ->
put(react, [{b10, ?LINE}|get(react)]),
?D({b10, ?LINE}),
%% The author of P_latest is too slow or crashed.
%% Let's try to write P_newprop and see what happens!
@ -696,7 +684,6 @@ react_to_env_B10(Retries, P_newprop, P_latest, LatestUnanimousP,
andalso
P_latest#projection.author_server /= MyName ->
put(react, [{b10, ?LINE}|get(react)]),
?D({b10, ?LINE}),
%% Give the author of P_latest an opportunite to write a
%% new projection in a new epoch to resolve this mixed
@ -705,7 +692,6 @@ react_to_env_B10(Retries, P_newprop, P_latest, LatestUnanimousP,
true ->
put(react, [{b10, ?LINE}|get(react)]),
?D({b10, ?LINE}),
%% P_newprop is best, so let's write it.
react_to_env_C300(P_newprop, P_latest, S)
@ -729,13 +715,10 @@ react_to_env_C100(P_newprop, P_latest,
%% Someone else believes that I am repairing. We assume
%% that nobody is being Byzantine, so we'll believe it.
%% We ignore our proposal and try to go with the latest.
?D(short_circuitshort_circuitshort_circuitshort_circuitshort_circuit),
react_to_env_C110(P_latest, S);
{_, true} ->
?D({c100, ?LINE}),
react_to_env_C110(P_latest, S);
{_, _AnyOtherReturnValue} ->
?D({c100, ?LINE, _AnyOtherReturnValue}),
%% %% P_latest is known to be crap.
%% %% By process of elimination, P_newprop is best,
%% %% so let's write it.
@ -800,16 +783,10 @@ react_to_env_C310(P_newprop, S) ->
put(react, [{c310,make_projection_summary(P_newprop)}|get(react)]),
Epoch = P_newprop#projection.epoch_number,
{_Res, S2} = cl_write_public_proj_skip_local_error(Epoch, P_newprop, S),
%% MyFLU=S#ch_mgr.myflu, ?D({c310, MyFLU, Epoch, _Res}), timer:sleep(200),
%% MPS = mps(P_newprop), ?D(MPS),
?D({c310, _Res}),
put(react, [{c310,_Res}|get(react)]),
react_to_env_A10(S2).
projection_transition_is_sane(P1, P2) ->
projection_transition_is_sane(P1, P2, undefined).
projection_transition_is_sane(
#projection{epoch_number=Epoch1,
epoch_csum=CSum1,
@ -904,7 +881,6 @@ projection_transition_is_sane(
%% both, then those authors would not have allowed
%% a bad transition, so we will assume this
%% transition is OK.
%% ?D(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa), timer:sleep(200),
lists:member(AuthorServer1, UPI_list1)
andalso
lists:member(AuthorServer2, UPI_list2)
@ -942,10 +918,6 @@ projection_transition_is_sane(
UPI_2_suffix_from_Repairing1 = [X || X <- UPI_2_suffix,
lists:member(X, Repairing_list1)],
%% true?
%% ?D(UPI_2_suffix),
%% ?D(UPI_2_suffix_from_UPI1),
%% ?D(UPI_2_suffix_from_Repairing1),
%% ?D(UPI_2_suffix_from_UPI1 ++ UPI_2_suffix_from_Repairing1),
UPI_2_suffix = UPI_2_suffix_from_UPI1 ++ UPI_2_suffix_from_Repairing1,
ok
end,
@ -975,7 +947,6 @@ perhaps_call_t(S, Partitions, FLU, DoIt) ->
perhaps_call(S, Partitions, FLU, DoIt)
catch
exit:timeout ->
%% ?D({perhaps_call, S#ch_mgr.myflu, FLU, Partitions}),
t_timeout
end.
@ -1030,15 +1001,12 @@ smoke1_test() ->
I_represent = I_am = a,
{ok, M0} = ?MGR:start_link(I_represent, [a,b,c], I_am),
try
%% ?D(x),
{ok, _P1} = test_calc_projection(M0, false),
_ = test_calc_proposed_projection(M0),
{remote_write_results,
[{b,ok},{c,ok}]} = test_write_proposed_projection(M0),
{unanimous, P1, Extra1} = test_read_latest_public_projection(M0, false),
%% ?Dw(make_projection_summary(P1)),
%% ?D(Extra1),
ok
after
@ -1103,6 +1071,7 @@ nonunanimous_setup_and_fix_test() ->
zoof_test() ->
machi_partition_simulator:start_link({111,222,333}, 50, 10),
_ = machi_partition_simulator:get([a,b,c]),
{ok, FLUa} = machi_flu0:start_link(a),
{ok, FLUb} = machi_flu0:start_link(b),
@ -1111,7 +1080,6 @@ zoof_test() ->
{ok, Ma} = ?MGR:start_link(I_represent, [a,b,c], I_am),
{ok, Mb} = ?MGR:start_link(b, [a,b,c], b),
{ok, Mc} = ?MGR:start_link(c, [a,b,c], c),
?D(x),
try
{ok, P1} = test_calc_projection(Ma, false),
P1Epoch = P1#projection.epoch_number,