irdp_interface.c

linux 路由软件 可支持RIP OSPF BGP等

DEFUN (ip_irdp_broadcast,
       ip_irdp_broadcast_cmd,
       "ip irdp broadcast",
       IP_STR
       "ICMP Router discovery on this interface using broadcast\n")
{
  struct interface *ifp;

  ifp = (struct interface *) vty->index;
  if(!ifp) {
	  return CMD_WARNING;
  }

  irdp_if_start(ifp, FALSE, TRUE);
  return CMD_SUCCESS;
}

DEFUN (ip_irdp_no,
       ip_irdp_cmd_no,
       "no ip irdp",
       IP_STR
       "Disable ICMP Router discovery on this interface\n")
{
  struct interface *ifp;

  ifp = (struct interface *) vty->index;
  if(!ifp) {
	  return CMD_WARNING;
  }

  irdp_if_stop(ifp);
  return CMD_SUCCESS;
}

DEFUN (ip_irdp_shutdown,
       ip_irdp_shutdown_cmd,
       "ip irdp shutdown",
       IP_STR
       "ICMP Router discovery shutdown on this interface\n")
{
  struct interface *ifp;

  ifp = (struct interface *) vty->index;
  if(!ifp) {
	  return CMD_WARNING;
  }

  irdp_if_shutdown(ifp);
  return CMD_SUCCESS;
}

DEFUN (ip_irdp_no_shutdown,
       ip_irdp_no_shutdown_cmd,
       "no ip irdp shutdown",
       IP_STR
       "ICMP Router discovery no shutdown on this interface\n")
{
  struct interface *ifp;

  ifp = (struct interface *) vty->index;
  if(!ifp) {
	  return CMD_WARNING;
  }

  irdp_if_no_shutdown(ifp);
  return CMD_SUCCESS;
}

DEFUN (ip_irdp_holdtime,
       ip_irdp_holdtime_cmd,
       "ip irdp holdtime <0-9000>",
       IP_STR
       "ICMP Router discovery on this interface\n"
       "Set holdtime value\n"
       "Holdtime value in seconds. Default is 1800 seconds\n")
{
  struct interface *ifp;
  struct zebra_if *zi;
  struct irdp_interface *irdp;
  ifp = (struct interface *) vty->index;
  if(!ifp) {
	  return CMD_WARNING;
  }

  zi=ifp->info;
  irdp=&zi->irdp;

  irdp->Lifetime = atoi(argv[0]);
  return CMD_SUCCESS;
}

DEFUN (ip_irdp_minadvertinterval,
       ip_irdp_minadvertinterval_cmd,
       "ip irdp minadvertinterval <3-1800>",
       IP_STR
       "ICMP Router discovery on this interface\n"
       "Set minimum time between advertisement\n"
       "Minimum advertisement interval in seconds\n")
{
  struct interface *ifp;
  struct zebra_if *zi;
  struct irdp_interface *irdp;
  ifp = (struct interface *) vty->index;
  if(!ifp) {
	  return CMD_WARNING;
  }

  zi=ifp->info;
  irdp=&zi->irdp;

  if( atoi(argv[0]) <= irdp->MaxAdvertInterval) {
      irdp->MinAdvertInterval = atoi(argv[0]);

      return CMD_SUCCESS;
  }

  vty_out (vty, "ICMP warning maxadvertinterval is greater or equal than minadvertinterval%s", 
	     VTY_NEWLINE);

  vty_out (vty, "Please correct!%s", 
	     VTY_NEWLINE);
  return CMD_WARNING;
}

DEFUN (ip_irdp_maxadvertinterval,
       ip_irdp_maxadvertinterval_cmd,
       "ip irdp maxadvertinterval <4-1800>",
       IP_STR
       "ICMP Router discovery on this interface\n"
       "Set maximum time between advertisement\n"
       "Maximum advertisement interval in seconds\n")
{
  struct interface *ifp;
  struct zebra_if *zi;
  struct irdp_interface *irdp;
  ifp = (struct interface *) vty->index;
  if(!ifp) {
	  return CMD_WARNING;
  }

  zi=ifp->info;
  irdp=&zi->irdp;


  if( irdp->MinAdvertInterval <= atoi(argv[0]) ) {
    irdp->MaxAdvertInterval = atoi(argv[0]);

      return CMD_SUCCESS;
  }

  vty_out (vty, "ICMP warning maxadvertinterval is greater or equal than minadvertinterval%s", 
	     VTY_NEWLINE);

  vty_out (vty, "Please correct!%s", 
	     VTY_NEWLINE);
  return CMD_WARNING;
}

DEFUN (ip_irdp_preference,
       ip_irdp_preference_cmd,

       /* DEFUN needs to be fixed for negative ranages...
	  Be positive for now. :-)

	  "ip irdp preference <-2147483648-2147483647>",
	*/


       "ip irdp preference <0-2147483647>",
       IP_STR
       "ICMP Router discovery on this interface\n"
       "Set default preference level for this interface\n"
       "Preference level\n")
{
  struct interface *ifp;
  struct zebra_if *zi;
  struct irdp_interface *irdp;
  ifp = (struct interface *) vty->index;
  if(!ifp) {
	  return CMD_WARNING;
  }

  zi=ifp->info;
  irdp=&zi->irdp;

  irdp->Preference = atoi(argv[0]);
  return CMD_SUCCESS;
}

DEFUN (ip_irdp_address_preference,
       ip_irdp_address_preference_cmd,
       "ip irdp address A.B.C.D preference <0-2147483647>",
       IP_STR
       "Alter ICMP Router discovery preference this interface\n"
       "Specify IRDP non-default preference to advertise\n"
       "Set IRDP address for advertise\n"
       "Preference level\n")
{
  listnode node;
  struct in_addr ip; 
  int pref;
  int ret;
  struct interface *ifp;
  struct zebra_if *zi;
  struct irdp_interface *irdp;
  struct Adv *adv;

  ifp = (struct interface *) vty->index;
  if(!ifp) {
	  return CMD_WARNING;
  }

  zi=ifp->info;
  irdp=&zi->irdp;

  ret = inet_aton(argv[0], &ip);
  if(!ret) return CMD_WARNING;

  pref = atoi(argv[1]);

  for (node = listhead (irdp->AdvPrefList); node; nextnode (node)) {
	  adv = getdata (node);
      if(adv->ip.s_addr == ip.s_addr) return CMD_SUCCESS;
  }

  adv = Adv_new();
  adv->ip = ip;
  adv->pref = pref;
  listnode_add(irdp->AdvPrefList, adv);

  return CMD_SUCCESS;

}

DEFUN (ip_irdp_address_preference_no,
       ip_irdp_address_preference_cmd_no,
       "no ip irdp address A.B.C.D preference <0-2147483647>",
       IP_STR
       "Alter ICMP Router discovery preference this interface\n"
       "Removes IRDP non-default preference\n"
       "Select IRDP address\n"
       "Old preference level\n")
{
  listnode node;
  struct in_addr ip; 
  int pref;
  int ret;
  struct interface *ifp;
  struct zebra_if *zi;
  struct irdp_interface *irdp;
  struct Adv *adv;

  ifp = (struct interface *) vty->index;
  if(!ifp) {
	  return CMD_WARNING;
  }

  zi=ifp->info;
  irdp=&zi->irdp;

  ret = inet_aton(argv[0], &ip);
  if(!ret) return CMD_WARNING;

  pref = atoi(argv[1]);

  for (node = listhead (irdp->AdvPrefList); node; nextnode (node)) {
	  adv = getdata (node);
	  if(adv->ip.s_addr == ip.s_addr ) {
		  listnode_delete(irdp->AdvPrefList, adv);
		  break;
	  }
  }

  return CMD_SUCCESS;


}

DEFUN (ip_irdp_debug_messages,
       ip_irdp_debug_messages_cmd,
       "ip irdp debug messages",
       IP_STR
       "ICMP Router discovery debug Averts. and Solicits (short)\n")
{
  struct interface *ifp;
  struct zebra_if *zi;
  struct irdp_interface *irdp;
  ifp = (struct interface *) vty->index;
  if(!ifp) {
	  return CMD_WARNING;
  }

  zi=ifp->info;
  irdp=&zi->irdp;

  irdp->flags |= IF_DEBUG_MESSAGES;

  return CMD_SUCCESS;
}

DEFUN (ip_irdp_debug_misc,
       ip_irdp_debug_misc_cmd,
       "ip irdp debug misc",
       IP_STR
       "ICMP Router discovery debug Averts. and Solicits (short)\n")
{
  struct interface *ifp;
  struct zebra_if *zi;
  struct irdp_interface *irdp;
  ifp = (struct interface *) vty->index;
  if(!ifp) {
	  return CMD_WARNING;
  }

  zi=ifp->info;
  irdp=&zi->irdp;

  irdp->flags |= IF_DEBUG_MISC;

  return CMD_SUCCESS;
}

DEFUN (ip_irdp_debug_packet,
       ip_irdp_debug_packet_cmd,
       "ip irdp debug packet",
       IP_STR
       "ICMP Router discovery debug Averts. and Solicits (short)\n")
{
  struct interface *ifp;
  struct zebra_if *zi;
  struct irdp_interface *irdp;
  ifp = (struct interface *) vty->index;
  if(!ifp) {
	  return CMD_WARNING;
  }

  zi=ifp->info;
  irdp=&zi->irdp;

  irdp->flags |= IF_DEBUG_PACKET;

  return CMD_SUCCESS;
}


DEFUN (ip_irdp_debug_disable,
       ip_irdp_debug_disable_cmd,
       "ip irdp debug disable",
       IP_STR
       "ICMP Router discovery debug Averts. and Solicits (short)\n")
{
  struct interface *ifp;
  struct zebra_if *zi;
  struct irdp_interface *irdp;
  ifp = (struct interface *) vty->index;
  if(!ifp) {
	  return CMD_WARNING;
  }

  zi=ifp->info;
  irdp=&zi->irdp;

  irdp->flags &= ~IF_DEBUG_PACKET;
  irdp->flags &= ~IF_DEBUG_MESSAGES;
  irdp->flags &= ~IF_DEBUG_MISC;

  return CMD_SUCCESS;
}

void
irdp_if_init ()
{
  install_element (INTERFACE_NODE, &ip_irdp_broadcast_cmd);
  install_element (INTERFACE_NODE, &ip_irdp_multicast_cmd);
  install_element (INTERFACE_NODE, &ip_irdp_cmd_no);
  install_element (INTERFACE_NODE, &ip_irdp_shutdown_cmd);
  install_element (INTERFACE_NODE, &ip_irdp_no_shutdown_cmd);
  install_element (INTERFACE_NODE, &ip_irdp_holdtime_cmd);
  install_element (INTERFACE_NODE, &ip_irdp_maxadvertinterval_cmd);
  install_element (INTERFACE_NODE, &ip_irdp_minadvertinterval_cmd);
  install_element (INTERFACE_NODE, &ip_irdp_preference_cmd);
  install_element (INTERFACE_NODE, &ip_irdp_address_preference_cmd);
  install_element (INTERFACE_NODE, &ip_irdp_address_preference_cmd_no);

  install_element (INTERFACE_NODE, &ip_irdp_debug_messages_cmd);
  install_element (INTERFACE_NODE, &ip_irdp_debug_misc_cmd);
  install_element (INTERFACE_NODE, &ip_irdp_debug_packet_cmd);
  install_element (INTERFACE_NODE, &ip_irdp_debug_disable_cmd);
}

#endif /* HAVE_IRDP */