ripng_zebra.c

大名鼎鼎的路由器源码。程序分ZEBRA、OSPFRIP等3个包。程序框架采用一个路由协议一个进程的方式

       ripng_redistribute_ospf6_metric_cmd,
       "redistribute ospf6 metric <0-16>",
       "Redistribute information from another routing protocol\n"
       "IPv6 Open Shortest Path First (OSPFv3)\n"
       "Metric\n"
       "Metric value\n")
{
  ripng_redistribute_metric_set (ZEBRA_ROUTE_OSPF6, atoi (argv[0]));
  zclient_redistribute_set (zclient, ZEBRA_ROUTE_OSPF6);
  return CMD_SUCCESS;
}

ALIAS (no_ripng_redistribute_ospf6,
       no_ripng_redistribute_ospf6_metric_cmd,
       "no redistribute ospf6 metric",
       NO_STR
       "Redistribute information from another routing protocol\n"
       "IPv6 Open Shortest Path First (OSPFv3)\n"
       "Metric\n");

ALIAS (no_ripng_redistribute_ospf6,
       no_ripng_redistribute_ospf6_metric_val_cmd,
       "no redistribute ospf6 metric <0-16>",
       NO_STR
       "Redistribute information from another routing protocol\n"
       "IPv6 Open Shortest Path First (OSPFv3)\n"
       "Metric\n"
       "Metric value\n");

DEFUN (ripng_redistribute_bgp_metric,
       ripng_redistribute_bgp_metric_cmd,
       "redistribute bgp metric <0-16>",
       "Redistribute information from another routing protocol\n"
       "Border Gateway Protocol (BGP)\n"
       "Metric\n"
       "Metric value\n")
{
  ripng_redistribute_metric_set (ZEBRA_ROUTE_BGP, atoi (argv[0]));
  zclient_redistribute_set (zclient, ZEBRA_ROUTE_BGP);
  return CMD_SUCCESS;
}

ALIAS (no_ripng_redistribute_bgp,
       no_ripng_redistribute_bgp_metric_cmd,
       "no redistribute bgp metric",
       NO_STR
       "Redistribute information from another routing protocol\n"
       "Border Gateway Protocol (BGP)\n"
       "Metric\n");

ALIAS (no_ripng_redistribute_bgp,
       no_ripng_redistribute_bgp_metric_val_cmd,
       "no redistribute bgp metric <0-16>",
       NO_STR
       "Redistribute information from another routing protocol\n"
       "Border Gateway Protocol (BGP)\n"
       "Metric\n"
       "Metric value\n");

DEFUN (ripng_redistribute_kernel_routemap,
       ripng_redistribute_kernel_routemap_cmd,
       "redistribute kernel route-map WORD",
       "Redistribute information from another routing protocol\n"
       "Kernel routes\n"
       "Route map reference\n"
       "Pointer to route-map entries\n")
{
  ripng_redistribute_routemap_set (ZEBRA_ROUTE_KERNEL, argv[0]);
  zclient_redistribute_set (zclient, ZEBRA_ROUTE_KERNEL);
  return CMD_SUCCESS;
}

ALIAS (no_ripng_redistribute_kernel,
       no_ripng_redistribute_kernel_routemap_cmd,
       "no redistribute kernel route-map WORD",
       NO_STR
       "Redistribute information from another routing protocol\n"
       "Kernel routes\n"
       "Route map reference\n"
       "Pointer to route-map entries\n");

DEFUN (ripng_redistribute_connected_routemap,
       ripng_redistribute_connected_routemap_cmd,
       "redistribute connected route-map WORD",
       "Redistribute information from another routing protocol\n"
       "Connected\n"
       "Route map reference\n"
       "Pointer to route-map entries\n")
{
  ripng_redistribute_routemap_set (ZEBRA_ROUTE_CONNECT, argv[0]);
  zclient_redistribute_set (zclient, ZEBRA_ROUTE_CONNECT);
  return CMD_SUCCESS;
}

ALIAS (no_ripng_redistribute_connected,
       no_ripng_redistribute_connected_routemap_cmd,
       "no redistribute connected route-map WORD",
       NO_STR
       "Redistribute information from another routing protocol\n"
       "Connected\n"
       "Route map reference\n"
       "Pointer to route-map entries\n");

DEFUN (ripng_redistribute_static_routemap,
       ripng_redistribute_static_routemap_cmd,
       "redistribute static route-map WORD",
       "Redistribute information from another routing protocol\n"
       "Static routes\n"
       "Route map reference\n"
       "Pointer to route-map entries\n")
{
  ripng_redistribute_routemap_set (ZEBRA_ROUTE_STATIC, argv[0]);
  zclient_redistribute_set (zclient, ZEBRA_ROUTE_STATIC);
  return CMD_SUCCESS;
}

ALIAS (no_ripng_redistribute_static,
       no_ripng_redistribute_static_routemap_cmd,
       "no redistribute static route-map WORD",
       NO_STR
       "Redistribute information from another routing protocol\n"
       "Static routes\n"
       "Route map reference\n"
       "Pointer to route-map entries\n");

DEFUN (ripng_redistribute_ospf6_routemap,
       ripng_redistribute_ospf6_routemap_cmd,
       "redistribute ospf6 route-map WORD",
       "Redistribute information from another routing protocol\n"
       "IPv6 Open Shortest Path First (OSPFv3)\n"
       "Route map reference\n"
       "Pointer to route-map entries\n")
{
  ripng_redistribute_routemap_set (ZEBRA_ROUTE_OSPF6, argv[0]);
  zclient_redistribute_set (zclient, ZEBRA_ROUTE_OSPF6);
  return CMD_SUCCESS;
}

ALIAS (no_ripng_redistribute_ospf6,
       no_ripng_redistribute_ospf6_routemap_cmd,
       "no redistribute ospf6 route-map WORD",
       NO_STR
       "Redistribute information from another routing protocol\n"
       "IPv6 Open Shortest Path First (OSPFv3)\n"
       "Route map reference\n"
       "Pointer to route-map entries\n");

DEFUN (ripng_redistribute_bgp_routemap,
       ripng_redistribute_bgp_routemap_cmd,
       "redistribute bgp route-map WORD",
       "Redistribute information from another routing protocol\n"
       "Border Gateway Protocol (BGP)\n"
       "Route map reference\n"
       "Pointer to route-map entries\n")
{
  ripng_redistribute_routemap_set (ZEBRA_ROUTE_BGP, argv[0]);
  zclient_redistribute_set (zclient, ZEBRA_ROUTE_BGP);
  return CMD_SUCCESS;
}

ALIAS (no_ripng_redistribute_bgp,
       no_ripng_redistribute_bgp_routemap_cmd,
       "no redistribute bgp route-map WORD",
       NO_STR
       "Redistribute information from another routing protocol\n"
       "Border Gateway Protocol (BGP)\n"
       "Route map reference\n"
       "Pointer to route-map entries\n");

DEFUN (ripng_redistribute_kernel_metric_routemap,
       ripng_redistribute_kernel_metric_routemap_cmd,
       "redistribute kernel metric <0-16> route-map WORD",
       "Redistribute information from another routing protocol\n"
       "Kernel routes\n"
       "Metric\n"
       "Metric value\n"
       "Route map reference\n"
       "Pointer to route-map entries\n")
{
  ripng_redistribute_metric_set (ZEBRA_ROUTE_KERNEL, atoi (argv[0]));
  ripng_redistribute_routemap_set (ZEBRA_ROUTE_KERNEL, argv[1]);
  zclient_redistribute_set (zclient, ZEBRA_ROUTE_KERNEL);
  return CMD_SUCCESS;
}

ALIAS (no_ripng_redistribute_kernel,
       no_ripng_redistribute_kernel_metric_routemap_cmd,
       "no redistribute kernel metric <0-16> route-map WORD",
       NO_STR
       "Redistribute information from another routing protocol\n"
       "Kernel routes\n"
       "Metric\n"
       "Metric value\n"
       "Route map reference\n"
       "Pointer to route-map entries\n");

DEFUN (ripng_redistribute_connected_metric_routemap,
       ripng_redistribute_connected_metric_routemap_cmd,
       "redistribute connected metric <0-16> route-map WORD",
       "Redistribute information from another routing protocol\n"
       "Connected\n"
       "Metric\n"
       "Metric value\n"
       "Route map reference\n"
       "Pointer to route-map entries\n")
{
  ripng_redistribute_metric_set (ZEBRA_ROUTE_CONNECT, atoi (argv[0]));
  ripng_redistribute_routemap_set (ZEBRA_ROUTE_CONNECT, argv[1]);
  zclient_redistribute_set (zclient, ZEBRA_ROUTE_CONNECT);
  return CMD_SUCCESS;
}

ALIAS (no_ripng_redistribute_connected,
       no_ripng_redistribute_connected_metric_routemap_cmd,
       "no redistribute connected metric <0-16> route-map WORD",
       NO_STR
       "Redistribute information from another routing protocol\n"
       "Connected\n"
       "Metric\n"
       "Metric value\n"
       "Route map reference\n"
       "Pointer to route-map entries\n");

DEFUN (ripng_redistribute_static_metric_routemap,
       ripng_redistribute_static_metric_routemap_cmd,
       "redistribute static metric <0-16> route-map WORD",
       "Redistribute information from another routing protocol\n"
       "Static routes\n"
       "Metric\n"
       "Metric value\n"
       "Route map reference\n"
       "Pointer to route-map entries\n")
{
  ripng_redistribute_metric_set (ZEBRA_ROUTE_STATIC, atoi (argv[0]));
  ripng_redistribute_routemap_set (ZEBRA_ROUTE_STATIC, argv[1]);
  zclient_redistribute_set (zclient, ZEBRA_ROUTE_STATIC);
  return CMD_SUCCESS;
}

ALIAS (no_ripng_redistribute_static,
       no_ripng_redistribute_static_metric_routemap_cmd,
       "no redistribute static metric <0-16> route-map WORD",
       NO_STR
       "Redistribute information from another routing protocol\n"
       "Static routes\n"
       "Metric\n"
       "Metric value\n"
       "Route map reference\n"
       "Pointer to route-map entries\n");

DEFUN (ripng_redistribute_ospf6_metric_routemap,
       ripng_redistribute_ospf6_metric_routemap_cmd,
       "redistribute ospf6 metric <0-16> route-map WORD",
       "Redistribute information from another routing protocol\n"
       "IPv6 Open Shortest Path First (OSPFv3)\n"
       "Metric\n"
       "Metric value\n"
       "Route map reference\n"
       "Pointer to route-map entries\n")
{
  ripng_redistribute_metric_set (ZEBRA_ROUTE_OSPF6, atoi (argv[0]));
  ripng_redistribute_routemap_set (ZEBRA_ROUTE_OSPF6, argv[1]);
  zclient_redistribute_set (zclient, ZEBRA_ROUTE_OSPF6);
  return CMD_SUCCESS;
}

ALIAS (no_ripng_redistribute_ospf6,
       no_ripng_redistribute_ospf6_metric_routemap_cmd,
       "no redistribute ospf6 metric <0-16> route-map WORD",
       NO_STR
       "Redistribute information from another routing protocol\n"
       "IPv6 Open Shortest Path First (OSPFv3)\n"
       "Metric\n"
       "Metric value\n"
       "Route map reference\n"
       "Pointer to route-map entries\n");

DEFUN (ripng_redistribute_bgp_metric_routemap,
       ripng_redistribute_bgp_metric_routemap_cmd,
       "redistribute bgp metric <0-16> route-map WORD",
       "Redistribute information from another routing protocol\n"
       "Border Gateway Protocol (BGP)\n"
       "Metric\n"
       "Metric value\n"
       "Route map reference\n"
       "Pointer to route-map entries\n")
{
  ripng_redistribute_metric_set (ZEBRA_ROUTE_BGP, atoi (argv[0]));
  ripng_redistribute_routemap_set (ZEBRA_ROUTE_BGP, argv[1]);
  zclient_redistribute_set (zclient, ZEBRA_ROUTE_BGP);
  return CMD_SUCCESS;
}

ALIAS (no_ripng_redistribute_bgp,
       no_ripng_redistribute_bgp_metric_routemap_cmd,
       "no redistribute bgp metric <0-16> route-map WORD",
       NO_STR
       "Redistribute information from another routing protocol\n"
       "Border Gateway Protocol (BGP)\n"
       "Metric\n"
       "Metric value\n"
       "Route map reference\n"
       "Pointer to route-map entries\n");

void
ripng_redistribute_write (struct vty *vty)
{
  int i;
  char *str[] = { "system", "kernel", "connected", "static", "rip",
		  "ripng", "ospf", "ospf6", "bgp"};

  for (i = 0; i < ZEBRA_ROUTE_MAX; i++)
    if (i != zclient->redist_default && zclient->redist[i])
      {
	if (ripng->route_map[i].metric_config)
	  {
	    if (ripng->route_map[i].name)
	      vty_out (vty, " redistribute %s metric %d route-map %s%s",
		       str[i], ripng->route_map[i].metric,
		       ripng->route_map[i].name, VTY_NEWLINE);
	    else
	      vty_out (vty, " redistribute %s metric %d%s",
		       str[i], ripng->route_map[i].metric, VTY_NEWLINE);
	  }
	else
	  {
	    if (ripng->route_map[i].name)
	      vty_out (vty, " redistribute %s route-map %s%s",
		       str[i], ripng->route_map[i].name, VTY_NEWLINE);
	    else
	      vty_out (vty, " redistribute %s%s", str[i], VTY_NEWLINE);
	  }
      }
}

/* RIPng configuration write function. */
int
zebra_config_write (struct vty *vty)
{
  if (! zclient->enable)
    {
      vty_out (vty, "no router zebra%s", VTY_NEWLINE);
      return 1;
    }
  else if (! zclient->redist[ZEBRA_ROUTE_RIPNG])
    {
      vty_out (vty, "router zebra%s", VTY_NEWLINE);
      vty_out (vty, " no redistribute ripng%s", VTY_NEWLINE);
      return 1;
    }
  return 0;
}

/* Zebra node structure. */
struct cmd_node zebra_node =
{
  ZEBRA_NODE,
  "%s(config-router)# ",
};

/* Initialize zebra structure and it's commands. */
void
zebra_init ()
{
  /* Allocate zebra structure. */
  zclient = zclient_new ();
  zclient_init (zclient, ZEBRA_ROUTE_RIPNG);

  zclient->interface_up = ripng_interface_up;
  zclient->interface_down = ripng_interface_down;
  zclient->interface_add = ripng_interface_add;
  zclient->interface_delete = ripng_interface_delete;
  zclient->interface_address_add = ripng_interface_address_add;
  zclient->interface_address_delete = ripng_interface_address_delete;
  zclient->ipv6_route_add = ripng_zebra_read_ipv6;
  zclient->ipv6_route_delete = ripng_zebra_read_ipv6;
  
  /* Install zebra node. */
  install_node (&zebra_node, zebra_config_write);

  /* Install command element for zebra node. */ 
  install_element (CONFIG_NODE, &router_zebra_cmd);
  install_element (CONFIG_NODE, &no_router_zebra_cmd);
  install_default (ZEBRA_NODE);
  install_element (ZEBRA_NODE, &ripng_redistribute_ripng_cmd);
  install_element (ZEBRA_NODE, &no_ripng_redistribute_ripng_cmd);
  install_element (RIPNG_NODE, &ripng_redistribute_static_cmd);
  install_element (RIPNG_NODE, &no_ripng_redistribute_static_cmd);
  install_element (RIPNG_NODE, &ripng_redistribute_kernel_cmd);
  install_element (RIPNG_NODE, &no_ripng_redistribute_kernel_cmd);
  install_element (RIPNG_NODE, &ripng_redistribute_connected_cmd);
  install_element (RIPNG_NODE, &no_ripng_redistribute_connected_cmd);
  install_element (RIPNG_NODE, &ripng_redistribute_bgp_cmd);
  install_element (RIPNG_NODE, &no_ripng_redistribute_bgp_cmd);
  install_element (RIPNG_NODE, &ripng_redistribute_ospf6_cmd);
  install_element (RIPNG_NODE, &no_ripng_redistribute_ospf6_cmd);
  install_element (RIPNG_NODE, &ripng_redistribute_kernel_metric_cmd);
  install_element (RIPNG_NODE, &no_ripng_redistribute_kernel_metric_cmd);
  install_element (RIPNG_NODE, &no_ripng_redistribute_kernel_metric_val_cmd);
  install_element (RIPNG_NODE, &ripng_redistribute_connected_metric_cmd);
  install_element (RIPNG_NODE, &no_ripng_redistribute_connected_metric_cmd);
  install_element (RIPNG_NODE,
		   &no_ripng_redistribute_connected_metric_val_cmd);
  install_element (RIPNG_NODE, &ripng_redistribute_static_metric_cmd);
  install_element (RIPNG_NODE, &no_ripng_redistribute_static_metric_cmd);
  install_element (RIPNG_NODE, &no_ripng_redistribute_static_metric_val_cmd);
  install_element (RIPNG_NODE, &ripng_redistribute_ospf6_metric_cmd);
  install_element (RIPNG_NODE, &no_ripng_redistribute_ospf6_metric_cmd);
  install_element (RIPNG_NODE, &no_ripng_redistribute_ospf6_metric_val_cmd);
  install_element (RIPNG_NODE, &ripng_redistribute_bgp_metric_cmd);
  install_element (RIPNG_NODE, &no_ripng_redistribute_bgp_metric_cmd);
  install_element (RIPNG_NODE, &no_ripng_redistribute_bgp_metric_val_cmd);
  install_element (RIPNG_NODE, &ripng_redistribute_kernel_routemap_cmd);
  install_element (RIPNG_NODE, &no_ripng_redistribute_kernel_routemap_cmd);
  install_element (RIPNG_NODE, &ripng_redistribute_connected_routemap_cmd);
  install_element (RIPNG_NODE, &no_ripng_redistribute_connected_routemap_cmd);
  install_element (RIPNG_NODE, &ripng_redistribute_static_routemap_cmd);
  install_element (RIPNG_NODE, &no_ripng_redistribute_static_routemap_cmd);
  install_element (RIPNG_NODE, &ripng_redistribute_ospf6_routemap_cmd);
  install_element (RIPNG_NODE, &no_ripng_redistribute_ospf6_routemap_cmd);
  install_element (RIPNG_NODE, &ripng_redistribute_bgp_routemap_cmd);
  install_element (RIPNG_NODE, &no_ripng_redistribute_bgp_routemap_cmd);
  install_element (RIPNG_NODE, &ripng_redistribute_kernel_metric_routemap_cmd);
  install_element (RIPNG_NODE,
		   &no_ripng_redistribute_kernel_metric_routemap_cmd);
  install_element (RIPNG_NODE,
		   &ripng_redistribute_connected_metric_routemap_cmd);
  install_element (RIPNG_NODE,
		   &no_ripng_redistribute_connected_metric_routemap_cmd);
  install_element (RIPNG_NODE, &ripng_redistribute_static_metric_routemap_cmd);
  install_element (RIPNG_NODE,
		   &no_ripng_redistribute_static_metric_routemap_cmd);
  install_element (RIPNG_NODE, &ripng_redistribute_ospf6_metric_routemap_cmd);
  install_element (RIPNG_NODE,
		   &no_ripng_redistribute_ospf6_metric_routemap_cmd);
  install_element (RIPNG_NODE, &ripng_redistribute_bgp_metric_routemap_cmd);
  install_element (RIPNG_NODE, &no_ripng_redistribute_bgp_metric_routemap_cmd);
}