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%%% Copyright (c) 2017, NORDUnet A/S.
%%% See LICENSE for licensing information.
-module(merge_fetch_newentries).
-behaviour(gen_server).
-export([start_link/1, loop/3]).
-export([init/1, handle_call/3, terminate/2, handle_cast/2, handle_info/2,
code_change/3]).
start_link(Args) ->
gen_server:start_link(?MODULE, Args, []).
init({Name, Address, Period}) ->
lager:info("~p:~p starting", [?MODULE, Name]),
ChildPid = spawn_link(?MODULE, loop, [Name, Address, Period]),
{ok, ChildPid}.
handle_call(stop, _From, ChildPid) ->
lager:info("~p: stopping child process ~p", [?MODULE, ChildPid]),
exit(ChildPid, stop),
{stop, normal, stopped, nil}.
loop(Name, Address, Period) ->
lager:info("~p:~p: asking storage node at ~p for missing entries",
[?MODULE, Name, Address]),
receive after Period -> ok end,
loop(Name, Address, Period).
handle_cast(_Request, State) ->
{noreply, State}.
handle_info(_Info, State) ->
{noreply, State}.
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
terminate(_Reason, _State) ->
lager:info("~p terminating", [?MODULE]),
ok.
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