net.unbound: Move libunbound initialization into a function

Prepare for lazy-loading it.

1 files changed, 7 insertions, 4 deletions

diff --git a/net/unbound.lua b/net/unbound.lua
index 48a8df0e..85ae624f 100644
--- a/net/unbound.lua
+++ b/net/unbound.lua
@@ -54,9 +54,13 @@ local function connect_server(unbound, server)
 	end);
 end
 
-local unbound = libunbound.new(unbound_config);
+local unbound, server_conn;
 
-local server_conn = connect_server(unbound, net_server);
+local function initialize()
+	unbound = libunbound.new(unbound_config);
+	server_conn = connect_server(unbound, net_server);
+end
+initialize();
 
 local answer_mt = {
 	__tostring = function(self)
@@ -154,8 +158,7 @@ end
 local function purge()
 	for id in pairs(waiting_queries) do cancel(id); end
 	if server_conn then server_conn:close(); end
-	unbound = libunbound.new(unbound_config);
-	server_conn = connect_server(unbound, net_server);
+	initialize();
 	return true;
 end