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Diffstat (limited to 'src/mem3/src/mem3_sync_nodes.erl')
-rw-r--r-- | src/mem3/src/mem3_sync_nodes.erl | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/src/mem3/src/mem3_sync_nodes.erl b/src/mem3/src/mem3_sync_nodes.erl deleted file mode 100644 index 0a4bffcd2..000000000 --- a/src/mem3/src/mem3_sync_nodes.erl +++ /dev/null @@ -1,115 +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. - --module(mem3_sync_nodes). --behaviour(gen_server). --vsn(1). - - --export([start_link/0]). --export([add/1]). - --export([init/1, terminate/2, code_change/3]). --export([handle_call/3, handle_cast/2, handle_info/2]). - --export([monitor_sync/1]). - - --record(st, { - tid -}). - - --record(job, { - nodes, - pid, - retry -}). - - -start_link() -> - gen_server:start_link({local, ?MODULE}, ?MODULE, [], []). - - -add(Nodes) -> - gen_server:cast(?MODULE, {add, Nodes}). - - -init([]) -> - {ok, #st{ - tid = ets:new(?MODULE, [set, protected, {keypos, #job.nodes}]) - }}. - - -terminate(_Reason, St) -> - [exit(Pid, kill) || #job{pid=Pid} <- ets:tab2list(St#st.tid)], - ok. - - -handle_call(Msg, _From, St) -> - {stop, {invalid_call, Msg}, invalid_call, St}. - - -handle_cast({add, Nodes}, #st{tid=Tid}=St) -> - case ets:lookup(Tid, Nodes) of - [] -> - Pid = start_sync(Nodes), - ets:insert(Tid, #job{nodes=Nodes, pid=Pid, retry=false}); - [#job{retry=false}=Job] -> - ets:insert(Tid, Job#job{retry=true}); - _ -> - ok - end, - {noreply, St}; - -handle_cast(Msg, St) -> - {stop, {invalid_cast, Msg}, St}. - - -handle_info({'DOWN', _, _, _, {sync_done, Nodes}}, #st{tid=Tid}=St) -> - case ets:lookup(Tid, Nodes) of - [#job{retry=true}=Job] -> - Pid = start_sync(Nodes), - ets:insert(Tid, Job#job{pid=Pid, retry=false}); - _ -> - ets:delete(Tid, Nodes) - end, - {noreply, St}; - -handle_info({'DOWN', _, _, _, {sync_error, Nodes}}, #st{tid=Tid}=St) -> - Pid = start_sync(Nodes), - ets:insert(Tid, #job{nodes=Nodes, pid=Pid, retry=false}), - {noreply, St}; - -handle_info(Msg, St) -> - {stop, {invalid_info, Msg}, St}. - - -code_change(_OldVsn, St, _Extra) -> - {ok, St}. - - -start_sync(Nodes) -> - {Pid, _} = spawn_monitor(?MODULE, monitor_sync, [Nodes]), - Pid. - - -monitor_sync(Nodes) -> - process_flag(trap_exit, true), - Pid = spawn_link(mem3_sync, initial_sync, [Nodes]), - receive - {'EXIT', Pid, normal} -> - exit({sync_done, Nodes}); - _ -> - exit({sync_error, Nodes}) - end. - |