// SPDX-License-Identifier: GPL-2.0-or-later

/*

 * OSPFd dump routine (parts used by ospfclient).

 * Copyright (C) 1999, 2000 Toshiaki Takada

 */

#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(uint8_t options)

{

  static char buf[OSPF_OPTION_STR_MAXLEN];

  snprintf(buf, sizeof(buf), "*|%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 %pI4", &lsah->id);

  zlog_debug("    Advertising Router %pI4", &lsah->adv_router);

  zlog_debug("    LS sequence number 0x%lx",

       (unsigned long)ntohl(lsah->ls_seqnum));

  zlog_debug("    LS checksum 0x%x", ntohs(lsah->checksum));

  zlog_debug("    length %d", ntohs(lsah->length));

}