From 11e0bdd000dad72ed4c46d419e253ee0caefbc2b Mon Sep 17 00:00:00 2001
From: Magnus Ahltorp <map@kth.se>
Date: Fri, 28 Jul 2017 13:38:43 +0200
Subject: Still WIP

---
 merge/src/merge_fetch_newentries.erl | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

(limited to 'merge/src/merge_fetch_newentries.erl')

diff --git a/merge/src/merge_fetch_newentries.erl b/merge/src/merge_fetch_newentries.erl
index b45aaec..befb3f7 100644
--- a/merge/src/merge_fetch_newentries.erl
+++ b/merge/src/merge_fetch_newentries.erl
@@ -21,10 +21,34 @@ handle_call(stop, _From, ChildPid) ->
     exit(ChildPid, stop),
     {stop, normal, stopped, nil}.
 
+get_newentries(NodeName, NodeAddress) ->
+    DebugTag = "fetchnewentries",
+    URL = NodeAddress ++ "fetchnewentries",
+    case merge_util:request(DebugTag, URL, NodeName) of
+        {<<"ok">>, PropList} ->
+            Entries = lists:map(fun (S) -> base64:decode(S) end, proplists:get_value(<<"entries">>, PropList)),
+            {ok, Entries};
+        Err ->
+            throw({request_error, result, DebugTag, Err})
+    end.
+
 loop(Name, Address, Period) ->
+    receive after Period -> ok end,
     lager:info("~p:~p: asking storage node at ~p for missing entries",
               [?MODULE, Name, Address]),
-    receive after Period -> ok end,
+    EntriesResult = try
+                        get_newentries(Name, Address)
+                    catch
+                        throw:{request_error,request,Tag,Error2} ->
+                            {error, Tag, Error2}
+                    end,
+    case EntriesResult of
+        {ok, Entries} ->
+            lager:debug("got entries: ~p", [Entries]),
+            merge_fetch_ctrl:newentries(Entries, Name);
+        {error, _Tag, Error} ->
+            lager:info("failed to get entries from ~p: ~p", [Name, Error])
+    end,
     loop(Name, Address, Period).
 
 handle_cast(_Request, State) ->
-- 
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