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7060243: (dc) Multicasting tests fail on Windows XP if IPv6 is enabled

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Reviewed-by: alanb
This commit is contained in:
Kurchi Subhra Hazra 2011-08-26 22:24:12 +01:00 committed by Alan Bateman
parent 90502358ad
commit f953b5c397
1 changed files with 12 additions and 1 deletions
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13
jdk/test/java/nio/channels/DatagramChannel/NetworkConfiguration.java
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@ -57,11 +57,22 @@ class NetworkConfiguration {
return ip6Interfaces.get(nif);
}
// IPv6 not supported for Windows XP/Server 2003
static boolean isIPv6Supported() {
if (System.getProperty("os.name").startsWith("Windows")) {
String ver = System.getProperty("os.version");
int major = Integer.parseInt(ver.split("\\.")[0]);
return (major >= 6);
}
return true;
}
static NetworkConfiguration probe() throws IOException {
Map<NetworkInterface,List<InetAddress>> ip4Interfaces =
new HashMap<NetworkInterface,List<InetAddress>>();
Map<NetworkInterface,List<InetAddress>> ip6Interfaces =
new HashMap<NetworkInterface,List<InetAddress>>();
boolean isIPv6Supported = isIPv6Supported();
// find the interfaces that support IPv4 and IPv6
List<NetworkInterface> nifs = Collections
@ -81,7 +92,7 @@ class NetworkConfiguration {
}
list.add(addr);
ip4Interfaces.put(nif, list);
} else if (addr instanceof Inet6Address) {
} else if (isIPv6Supported && (addr instanceof Inet6Address)) {
List<InetAddress> list = ip6Interfaces.get(nif);
if (list == null) {
list = new LinkedList<InetAddress>();