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/*
 * OSPFd dump routine (parts used by ospfclient).
 * Copyright (C) 1999, 2000 Toshiaki Takada
 *
 * This file is part of FRRouting (FRR).
 *
 * FRR is free software; you can redistribute it and/or modify it under the
 * terms of the GNU General Public License as published by the Free Software
 * Foundation; either version 2, or (at your option) any later version.
 *
 * FRR is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; see the file COPYING; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include <zebra.h>

#include "log.h"
#include "prefix.h"

#include "ospf_dump_api.h"
#include "ospfd.h"
#include "ospf_asbr.h"
#include "ospf_lsa.h"
#include "ospf_nsm.h"
#include "ospf_ism.h"

const struct message ospf_ism_state_msg[] =
{
  { ISM_DependUpon,   "DependUpon" },
  { ISM_Down,         "Down" },
  { ISM_Loopback,     "Loopback" },
  { ISM_Waiting,      "Waiting" },
  { ISM_PointToPoint, "Point-To-Point" },
  { ISM_DROther,      "DROther" },
  { ISM_Backup,       "Backup" },
  { ISM_DR,           "DR" },
  { 0 }
};

const struct message ospf_nsm_state_msg[] =
{
  { NSM_DependUpon, "DependUpon" },
  { NSM_Deleted,    "Deleted"    },
  { NSM_Down,       "Down" },
  { NSM_Attempt,    "Attempt" },
  { NSM_Init,       "Init" },
  { NSM_TwoWay,     "2-Way" },
  { NSM_ExStart,    "ExStart" },
  { NSM_Exchange,   "Exchange" },
  { NSM_Loading,    "Loading" },
  { NSM_Full,       "Full" },
  { 0 }
};

const struct message ospf_lsa_type_msg[] =
{
  { OSPF_UNKNOWN_LSA,      "unknown" },
  { OSPF_ROUTER_LSA,       "router-LSA" },
  { OSPF_NETWORK_LSA,      "network-LSA" },
  { OSPF_SUMMARY_LSA,      "summary-LSA" },
  { OSPF_ASBR_SUMMARY_LSA, "summary-LSA" },
  { OSPF_AS_EXTERNAL_LSA,  "AS-external-LSA" },
  { OSPF_GROUP_MEMBER_LSA, "GROUP MEMBER LSA" },
  { OSPF_AS_NSSA_LSA,      "NSSA-LSA" },
  { 8,                     "Type-8 LSA" },
  { OSPF_OPAQUE_LINK_LSA,  "Link-Local Opaque-LSA" },
  { OSPF_OPAQUE_AREA_LSA,  "Area-Local Opaque-LSA" },
  { OSPF_OPAQUE_AS_LSA,    "AS-external Opaque-LSA" },
  { 0 }
};

const struct message ospf_link_state_id_type_msg[] =
{
  { OSPF_UNKNOWN_LSA,      "(unknown)" },
  { OSPF_ROUTER_LSA,       "" },
  { OSPF_NETWORK_LSA,      "(address of Designated Router)" },
  { OSPF_SUMMARY_LSA,      "(summary Network Number)" },
  { OSPF_ASBR_SUMMARY_LSA, "(AS Boundary Router address)" },
  { OSPF_AS_EXTERNAL_LSA,  "(External Network Number)" },
  { OSPF_GROUP_MEMBER_LSA, "(Group membership information)" },
  { OSPF_AS_NSSA_LSA,      "(External Network Number for NSSA)" },
  { 8,                     "(Type-8 LSID)" },
  { OSPF_OPAQUE_LINK_LSA,  "(Link-Local Opaque-Type/ID)" },
  { OSPF_OPAQUE_AREA_LSA,  "(Area-Local Opaque-Type/ID)" },
  { OSPF_OPAQUE_AS_LSA,    "(AS-external Opaque-Type/ID)" },
  { 0 }
};

const struct message ospf_network_type_msg[] =
{
  { OSPF_IFTYPE_NONE,		  "NONE" },
  { OSPF_IFTYPE_POINTOPOINT,      "Point-to-Point" },
  { OSPF_IFTYPE_BROADCAST,        "Broadcast" },
  { OSPF_IFTYPE_NBMA,             "NBMA" },
  { OSPF_IFTYPE_POINTOMULTIPOINT, "Point-to-MultiPoint" },
  { OSPF_IFTYPE_VIRTUALLINK,      "Virtual-Link" },
  { 0 }
};

/* AuType */
const struct message ospf_auth_type_str[] =
{
  { OSPF_AUTH_NULL,          "Null"          },
  { OSPF_AUTH_SIMPLE,        "Simple"        },
  { OSPF_AUTH_CRYPTOGRAPHIC, "Cryptographic" },
  { 0 }
};

#define OSPF_OPTION_STR_MAXLEN		24

char *
ospf_options_dump (u_char options)
{
  static char buf[OSPF_OPTION_STR_MAXLEN];

  snprintf (buf, OSPF_OPTION_STR_MAXLEN, "*|%s|%s|%s|%s|%s|%s|%s",
	    (options & OSPF_OPTION_O) ? "O" : "-",
	    (options & OSPF_OPTION_DC) ? "DC" : "-",
	    (options & OSPF_OPTION_EA) ? "EA" : "-",
	    (options & OSPF_OPTION_NP) ? "N/P" : "-",
	    (options & OSPF_OPTION_MC) ? "MC" : "-",
           (options & OSPF_OPTION_E) ? "E" : "-",
           (options & OSPF_OPTION_MT) ? "M/T" : "-");

  return buf;
}

void
ospf_lsa_header_dump (struct lsa_header *lsah)
{
  const char *lsah_type = lookup_msg(ospf_lsa_type_msg, lsah->type, NULL);

  zlog_debug ("  LSA Header");
  zlog_debug ("    LS age %d", ntohs (lsah->ls_age));
  zlog_debug ("    Options %d (%s)", lsah->options,
	     ospf_options_dump (lsah->options));
  zlog_debug ("    LS type %d (%s)", lsah->type,
             (lsah->type ? lsah_type : "unknown type"));
  zlog_debug ("    Link State ID %s", inet_ntoa (lsah->id));
  zlog_debug ("    Advertising Router %s", inet_ntoa (lsah->adv_router));
  zlog_debug ("    LS sequence number 0x%lx", (u_long)ntohl (lsah->ls_seqnum));
  zlog_debug ("    LS checksum 0x%x", ntohs (lsah->checksum));
  zlog_debug ("    length %d", ntohs (lsah->length));
}