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IPv4 vs IPv6

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This commit is contained in:
lutz 2012-11-16 13:12:44 +01:00
parent 303042078c
commit a3466c121d
1 changed files with 14 additions and 2 deletions
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16
ws2012/P2P/uebungen/4/src/peer/Node.java
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@ -1,6 +1,9 @@
package peer;
import java.io.IOException;
import java.net.Inet4Address;
import java.net.Inet6Address;
import java.net.InetSocketAddress;
import java.net.SocketAddress;
import java.nio.ByteBuffer;
import java.nio.channels.DatagramChannel;
@ -83,8 +86,17 @@ public class Node {
private byte[] addrToByte(SocketAddress addr) {
// TODO Wäre cool, die IP nicht einfach als String zu schicken.
// Was machen mit IPV4 vs IPV6?
String s = addr.toString();
return s.getBytes();
InetSocketAddress a = (InetSocketAddress) addr;
if (a.getAddress() instanceof Inet6Address) {
// seems to be IPv6
} else if (a.getAddress() instanceof Inet4Address) {
// seems to be IPv4
} else {
// invalid ip address
}
return a.getAddress().getAddress();
}
/**