diff options
Diffstat (limited to 'src/dreyfus/src/dreyfus_fabric_info.erl')
-rw-r--r-- | src/dreyfus/src/dreyfus_fabric_info.erl | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/src/dreyfus/src/dreyfus_fabric_info.erl b/src/dreyfus/src/dreyfus_fabric_info.erl deleted file mode 100644 index e217bc0ef..000000000 --- a/src/dreyfus/src/dreyfus_fabric_info.erl +++ /dev/null @@ -1,108 +0,0 @@ -% 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. - - -%% -*- erlang-indent-level: 4;indent-tabs-mode: nil -*- - --module(dreyfus_fabric_info). - --include("dreyfus.hrl"). --include_lib("mem3/include/mem3.hrl"). --include_lib("couch/include/couch_db.hrl"). - --export([go/4]). - -go(DbName, DDocId, IndexName, InfoLevel) when is_binary(DDocId) -> - {ok, DDoc} = fabric:open_doc(DbName, <<"_design/", DDocId/binary>>, []), - dreyfus_util:maybe_deny_index(DbName, DDocId, IndexName), - go(DbName, DDoc, IndexName, InfoLevel); - -go(DbName, DDoc, IndexName, InfoLevel) -> - DesignName = dreyfus_util:get_design_docid(DDoc), - dreyfus_util:maybe_deny_index(DbName, DesignName, IndexName), - Shards = mem3:shards(DbName), - Workers = fabric_util:submit_jobs(Shards, dreyfus_rpc, InfoLevel, [DDoc, IndexName]), - RexiMon = fabric_util:create_monitors(Shards), - Acc0 = {fabric_dict:init(Workers, nil), []}, - try - fabric_util:recv(Workers, #shard.ref, fun handle_message/3, Acc0) - after - rexi_monitor:stop(RexiMon) - end. - -handle_message({rexi_DOWN, _, {_,NodeRef},_}, _Worker, {Counters, Acc}) -> - case fabric_util:remove_down_workers(Counters, NodeRef) of - {ok, NewCounters} -> - {ok, {NewCounters, Acc}}; - error -> - {error, {nodedown, <<"progress not possible">>}} - end; - -handle_message({rexi_EXIT, Reason}, Worker, {Counters, Acc}) -> - NewCounters = fabric_dict:erase(Worker, Counters), - case fabric_ring:is_progress_possible(NewCounters) of - true -> - {ok, {NewCounters, Acc}}; - false -> - {error, Reason} - end; - -handle_message({ok, Info}, Worker, {Counters, Acc}) -> - case fabric_dict:lookup_element(Worker, Counters) of - undefined -> - % already heard from someone else in this range - {ok, {Counters, Acc}}; - nil -> - C1 = fabric_dict:store(Worker, ok, Counters), - C2 = fabric_view:remove_overlapping_shards(Worker, C1), - case fabric_dict:any(nil, C2) of - true -> - {ok, {C2, [Info|Acc]}}; - false -> - {stop, merge_results(lists:flatten([Info|Acc]))} - end - end; - -handle_message({error, Reason}, Worker, {Counters, Acc}) -> - NewCounters = fabric_dict:erase(Worker, Counters), - case fabric_ring:is_progress_possible(NewCounters) of - true -> - {ok, {NewCounters, Acc}}; - false -> - {error, Reason} - end; -handle_message({'EXIT', _}, Worker, {Counters, Acc}) -> - NewCounters = fabric_dict:erase(Worker, Counters), - case fabric_ring:is_progress_possible(NewCounters) of - true -> - {ok, {NewCounters, Acc}}; - false -> - {error, {nodedown, <<"progress not possible">>}} - end. - -merge_results(Info) -> - Dict = lists:foldl(fun({K,V},D0) -> orddict:append(K,V,D0) end, - orddict:new(), Info), - orddict:fold(fun - (disk_size, X, Acc) -> - [{disk_size, lists:sum(X)} | Acc]; - (doc_count, X, Acc) -> - [{doc_count, lists:sum(X)} | Acc]; - (doc_del_count, X, Acc) -> - [{doc_del_count, lists:sum(X)} | Acc]; - (committed_seq, X, Acc) -> - [{committed_seq, lists:sum(X)} | Acc]; - (pending_seq, X, Acc) -> - [{pending_seq, lists:sum(X)} | Acc]; - (_, _, Acc) -> - Acc - end, [], Dict). |