Fix IPv6 resolve on systems that only return IPv4 addresses by default

1 files changed, 11 insertions, 1 deletions

diff --git a/mdns-resolver b/mdns-resolver
index 762f8d9..592c754 100755
--- a/mdns-resolver
+++ b/mdns-resolver
@@ -96,7 +96,17 @@ while run do
 
         begin
           addresses = Set.new
-          Socket.getaddrinfo(host+'.local.', nil).each { |addr| addresses << [addr[0], addr[3]] }
+          begin
+            Socket.getaddrinfo(host+'.local.', nil, :INET).each { |addr| addresses << [addr[0], addr[3]] }
+          rescue
+          end
+
+          begin
+            Socket.getaddrinfo(host+'.local.', nil, :INET6).each { |addr| addresses << [addr[0], addr[3]] }
+          rescue
+          end
+
+          raise if addresses.empty?
 
           if q.qType.to_i == Net::DNS::A or q.qType.to_i == Net::DNS::ANY
             addresses.each do |addr|