ip/IPIP_Device.java

   1
   2 package org.de.metux.ip;
   3
   4 import org.de.metux.util.Exec;
   5 import java.net.UnknownHostException;
   6
   7 public class IPIP_Device
   8 {
   9     String if_name;
  10
  11     public IPIP_Device(String name)
  12     {
  13         if_name = name;
  14     }
  15
  16     public boolean delete()
  17     {
  18         return Exec.exec_command("ifconfig "+if_name+" down") &&
  19                Exec.exec_command("ip tunnel del "+if_name);
  20     }
  21
  22     // fixme: protect interface name !
  23     public boolean add(
  24         String local_addr,
  25         String remote_addr)
  26         throws UnknownHostException
  27     {
  28
  29         String cmdline =
  30             "ip tunnel add "+if_name+
  31             " mode ipip local "+Lookup.getIP_str(local_addr)+
  32             " remote "+Lookup.getIP_str(remote_addr)
  33         ;
  34
  35         System.err.println("IPIP::add executing: "+cmdline);
  36         return Exec.exec_command(cmdline);
  37     }
  38
  39     public boolean configureIP(
  40         String address,
  41         String netmask,
  42         int mtu
  43     )
  44         throws UnknownHostException
  45     {
  46         return Exec.exec_command(
  47             "ifconfig "+if_name+
  48             " inet "+Lookup.getIP_str(address)+
  49             " netmask "+netmask+
  50             " mtu "+mtu);
  51     }
  52 }