Github user kxepal commented on a diff in the pull request:
https://github.com/apache/couchdb-fabric/pull/9#discussion_r22363748
--- Diff: src/fabric_group_info.erl ---
@@ -38,41 +39,74 @@ go(DbName, #doc{id=DDocId}) ->
rexi_monitor:stop(RexiMon)
end.
-handle_message({rexi_DOWN, _, {_,NodeRef},_}, _Shard, {Counters, Acc}) ->
+handle_message({rexi_DOWN, _, {_,NodeRef},_}, _Shard,
+ {Counters, Acc, Ushards}) ->
case fabric_util:remove_down_workers(Counters, NodeRef) of
{ok, NewCounters} ->
- {ok, {NewCounters, Acc}};
+ {ok, {NewCounters, Acc, Ushards}};
error ->
{error, {nodedown, <<"progress not possible">>}}
end;
-handle_message({rexi_EXIT, Reason}, Shard, {Counters, Acc}) ->
+handle_message({rexi_EXIT, Reason}, Shard, {Counters, Acc, Ushards}) ->
NewCounters = lists:keydelete(Shard, #shard.ref, Counters),
case fabric_view:is_progress_possible(NewCounters) of
true ->
- {ok, {NewCounters, Acc}};
+ {ok, {NewCounters, Acc, Ushards}};
false ->
{error, Reason}
end;
-handle_message({ok, Info}, Shard, {Counters, Acc}) ->
- case fabric_dict:lookup_element(Shard, Counters) of
- undefined ->
- % already heard from someone else in this range
- {ok, {Counters, Acc}};
- nil ->
- C1 = fabric_dict:store(Shard, ok, Counters),
- C2 = fabric_view:remove_overlapping_shards(Shard, C1),
- case fabric_dict:any(nil, C2) of
- true ->
- {ok, {C2, [Info|Acc]}};
- false ->
- {stop, merge_results(lists:flatten([Info|Acc]))}
- end
+handle_message({ok, Info}, Shard, {Counters0, Acc, Ushards}) ->
+ NewAcc = append_result(Info, Shard, Acc, Ushards),
+ Counters = fabric_dict:store(Shard, ok, Counters0),
+ case is_complete(Counters) of
+ false ->
+ {ok, {Counters, NewAcc, Ushards}};
+ true ->
+ Pending = aggregate_pending(NewAcc),
+ Infos = get_infos(NewAcc),
+ Results = [{updates_pending, {Pending}}|merge_results(Infos)],
--- End diff --
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