/*
                                  NETWOX
                             Network toolbox
                Copyright(c) 1999-2006 Laurent Constantin
                                  -----

  Main server    : http://www.laurentconstantin.com/
  Backup servers : http://go.to/laurentconstantin/
                   http://laurentconstantin.est-la.com/
                   http://laurentconstantin.free.fr/
                   http://membres.lycos.fr/lauconstantin/
  [my current email address is on the web servers]

                                  -----
  This file is part of Netwox.

  Netwox is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License
  version 2 as published by the Free Software Foundation.

  Netwox 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 (http://www.gnu.org/).

------------------------------------------------------------------------
*/

/*-------------------------------------------------------------*/
#include "../../netwox.h"

/*-------------------------------------------------------------*/
netwib_err netwox_buf_append_dnshdr_opcode(netwox_dnshdr_opcode opcode,
                                           netwib_buf *pbuf)
{
  netwib_conststring pc=NULL;

  switch(opcode) {
  case NETWOX_DNSHDR_OPCODE_QUERY : pc = "QUERY"; break;
  case NETWOX_DNSHDR_OPCODE_IQUERY : pc = "IQUERY"; break;
  case NETWOX_DNSHDR_OPCODE_STATUS : pc = "STATUS"; break;
  case NETWOX_DNSHDR_OPCODE_NOTIFY : pc = "NOTIFY"; break;
  case NETWOX_DNSHDR_OPCODE_UPDATE : pc = "UPDATE"; break;
  default :
    break;
  }

  if (pc != NULL) {
    netwib_er(netwib_buf_append_string(pc, pbuf));
  } else {
    netwib_er(netwib_buf_append_fmt(pbuf, "UNKNOWN(%{uint32})", opcode));
  }

  return(NETWIB_ERR_OK);
}

/*-------------------------------------------------------------*/
netwib_err netwox_buf_append_dnshdr_rcode(netwox_dnshdr_rcode rcode,
                                          netwib_buf *pbuf)
{
  netwib_conststring pc=NULL;

  switch(rcode) {
  case NETWOX_DNSHDR_RCODE_OK : pc = "OK"; break;
  case NETWOX_DNSHDR_RCODE_FMTERROR : pc = "FMTERROR"; break;
  case NETWOX_DNSHDR_RCODE_FAILURE : pc = "FAILURE"; break;
  case NETWOX_DNSHDR_RCODE_NAMEERROR : pc = "NAMEERROR"; break;
  case NETWOX_DNSHDR_RCODE_UNIMPLEMENTED : pc = "UNIMPLEMENTED"; break;
  case NETWOX_DNSHDR_RCODE_REFUSED : pc = "REFUSED"; break;
  case NETWOX_DNSHDR_RCODE_NAMEEXISTS : pc = "NAMEEXISTS"; break;
  case NETWOX_DNSHDR_RCODE_RRSETEXISTS : pc = "RRSETEXISTS"; break;
  case NETWOX_DNSHDR_RCODE_RRSETNOEXISTS : pc = "RRSETNOEXISTS"; break;
  case NETWOX_DNSHDR_RCODE_NOTAUTH : pc = "NOTAUTH"; break;
  case NETWOX_DNSHDR_RCODE_NOTZONE : pc = "NOTZONE"; break;
  default :
    break;
  }

  if (pc != NULL) {
    netwib_er(netwib_buf_append_string(pc, pbuf));
  } else {
    netwib_er(netwib_buf_append_fmt(pbuf, "UNKNOWN(%{uint32})", rcode));
  }

  return(NETWIB_ERR_OK);
}

/*-------------------------------------------------------------*/
netwib_err netwox_dnshdr_initdefault(netwox_dnshdr *pdnshdr)
{
  netwib_uint32 ui;

  netwib_er(netwib_uint32_init_rand(0, 0xFFFFu, &ui));
  pdnshdr->id = (netwib_uint16)ui;
  pdnshdr->isaresponse = NETWIB_FALSE;
  pdnshdr->opcode = NETWOX_DNSHDR_OPCODE_QUERY;
  pdnshdr->authanswer = NETWIB_FALSE;
  pdnshdr->truncation = NETWIB_FALSE;
  pdnshdr->recurdesired = NETWIB_FALSE;
  pdnshdr->recuravail = NETWIB_FALSE;
  pdnshdr->rcode = NETWOX_DNSHDR_RCODE_OK;
  pdnshdr->count_question = 0;
  pdnshdr->count_answer = 0;
  pdnshdr->count_authority = 0;
  pdnshdr->count_additional = 0;

  return(NETWIB_ERR_OK);
}