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-module(mem3_sync_event).
-behaviour(gen_event).
-export([init/1, handle_event/2, handle_call/2, handle_info/2, terminate/2,
code_change/3]).
init(_) ->
{ok, nil}.
handle_event({Up, Node}, State) when Up == nodeup; Up == node_join ->
mem3_sync:add_node(Node);
handle_event({Down, Node}, State) when Down == nodedown; Down == node_leave ->
mem3_sync:remove_node(Node);
handle_event(_Event, State) ->
{ok, State}.
handle_call(_Request, State) ->
{ok, ok, State}.
handle_info(_Info, State) ->
{ok, State}.
terminate(_Reason, _State) ->
ok.
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
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