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-rw-r--r--net/adns.lua14
1 files changed, 8 insertions, 6 deletions
diff --git a/net/adns.lua b/net/adns.lua
index d1876b0f..0121881a 100644
--- a/net/adns.lua
+++ b/net/adns.lua
@@ -54,13 +54,15 @@ function new_async_socket(sock, resolver)
end
end
function listener.ondisconnect(conn, err)
- log("warn", "DNS socket for %s disconnected: %s", peername, err);
- local servers = resolver.server;
- if resolver.socketset[conn] == resolver.best_server and resolver.best_server == #servers then
- log("error", "Exhausted all %d configured DNS servers, next lookup will try %s again", #servers, servers[1]);
- end
+ if err then
+ log("warn", "DNS socket for %s disconnected: %s", peername, err);
+ local servers = resolver.server;
+ if resolver.socketset[conn] == resolver.best_server and resolver.best_server == #servers then
+ log("error", "Exhausted all %d configured DNS servers, next lookup will try %s again", #servers, servers[1]);
+ end
- resolver:servfail(conn); -- Let the magic commence
+ resolver:servfail(conn); -- Let the magic commence
+ end
end
handler = server.wrapclient(sock, "dns", 53, listener);
if not handler then