From 7a8329737aa011dd5624a1151c392d913457961e Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 24 Mar 2013 14:36:26 +0000
Subject: Try interface indexes which can use for IPv6 multicast

a fix for r39896

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39908 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/rinda/test_rinda.rb | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

(limited to 'test')

diff --git a/test/rinda/test_rinda.rb b/test/rinda/test_rinda.rb
index d056ee2864..d8eca04ed8 100644
--- a/test/rinda/test_rinda.rb
+++ b/test/rinda/test_rinda.rb
@@ -580,7 +580,19 @@ class TestRingFinger < Test::Unit::TestCase
 
   def setup
     @rf = Rinda::RingFinger.new
-    @rf.multicast_interface = 1
+    ifindex = nil
+    10.times do |i|
+      begin
+        addrinfo = Addrinfo.udp('ff02::1', Rinda::Ring_PORT)
+        soc = Socket.new(addrinfo.pfamily, addrinfo.socktype, addrinfo.protocol)
+        soc.setsockopt(:IPPROTO_IPV6, :IPV6_MULTICAST_IF,
+                       [i].pack('I'))
+        ifindex = i
+        break
+      rescue
+      end
+    end
+    @rf.multicast_interface = ifindex
   end
 
   def test_make_socket_unicast
-- 
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