pana_message.cxx

/* BEGIN_COPYRIGHT                                                        */
/*                                                                        */
/* Open Diameter: Open-source software for the Diameter and               */
/*                Diameter related protocols                              */
/*                                                                        */
/* Copyright (C) 2002-2004 Open Diameter Project                          */
/*                                                                        */
/* This library is free software; you can redistribute it and/or modify   */
/* it under the terms of the GNU Lesser General Public License as         */
/* published by the Free Software Foundation; either version 2.1 of the   */
/* License, or (at your option) any later version.                        */
/*                                                                        */
/* This library 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      */
/* Lesser General Public License for more details.                        */
/*                                                                        */
/* You should have received a copy of the GNU Lesser General Public       */
/* License along with this library; if not, write to the Free Software    */
/* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307    */
/* USA.                                                                   */
/*                                                                        */
/* In addition, when you copy and redistribute some or the entire part of */
/* the source code of this software with or without modification, you     */
/* MUST include this copyright notice in each copy.                       */
/*                                                                        */
/* If you make any changes that are appeared to be useful, please send    */
/* sources that include the changed part to                               */
/* diameter-developers@lists.sourceforge.net so that we can reflect your  */
/* changes to one unified version of this software.                       */
/*                                                                        */
/* END_COPYRIGHT                                                          */

#include "ace/OS.h"
#include "pana_defs.h"
#include "pana_exceptions.h"
#include "pana_message.h"

void PANA_HeaderParser::parseRawToApp()
{
   AAAErrorStatus st;
   AAADictionaryOption *opt = getDictData();
   AAAMessageBlock *aBuffer = reinterpret_cast<AAAMessageBlock*>(getRawData());
   PANA_MsgHeader *h = reinterpret_cast<PANA_MsgHeader*>(getAppData());

   char *p = aBuffer->rd_ptr();

   h->version(*((AAA_UINT8*)(p)));

   h->length(ACE_NTOHL(*((ACE_UINT32*)(p))) & 0x00ffffff);

   p += sizeof(ACE_UINT32);

   PANA_MsgHeader::Flags flg = { 0, 0, 0, 0 };
   flg.request = *((AAA_UINT8*)(p)) >> 7;
   flg.separate = *((AAA_UINT8*)(p)) >> 3;

   h->flags(flg);

   h->type(ACE_NTOHL(*((ACE_UINT32*)(p))) & 0x00ffffff);

   p += sizeof(ACE_UINT32);
   h->tseq(ACE_NTOHL(*((ACE_UINT32*)(p))));

   p += sizeof(ACE_UINT32);
   h->rseq(ACE_NTOHL(*((ACE_UINT32*)(p))));

   p += sizeof(ACE_UINT32);
   aBuffer->rd_ptr(p);

   if (opt->option == PARSE_LOOSE) {
      return;
   }

   AAADictionaryManager dm(opt->protocolId);
   AAADictionaryHandle *handle = NULL;

   if ((handle = dm.getDictHandle(h->type(), 0, flg.request)) == NULL) {
       ACE_DEBUG((LM_ERROR, "command (%d,r-flag=%1d,proto=%d) not found\n",
                  h->type(), flg.request, opt->protocolId));
       st.set(NORMAL, DIAMETER_COMMAND_UNSUPPORTED);
       throw st;
   }

   h->setDictHandle(handle);
}

void PANA_HeaderParser::parseAppToRaw()
{
   AAAErrorStatus st;
   AAADictionaryOption *opt = getDictData();
   AAAMessageBlock *aBuffer = reinterpret_cast<AAAMessageBlock*>(getRawData());
   PANA_MsgHeader *h = reinterpret_cast<PANA_MsgHeader*>(getAppData());

   aBuffer->wr_ptr(aBuffer->base());

   AAADictionaryManager dm(opt->protocolId);
   AAADictionaryHandle *handle = NULL;

   if (opt->option != PARSE_LOOSE) {
       if ((handle = dm.getDictHandle(h->type(), 0, h->flags().request)) == NULL) {
          ACE_DEBUG((LM_ERROR, "command (%d,r-flag=%1d,proto=%d) not found\n",
                     h->type(), h->flags().request, opt->protocolId));
              st.set(NORMAL, DIAMETER_COMMAND_UNSUPPORTED);
              throw st;
          }
   }

   char *p = aBuffer->base();

   *((ACE_UINT32*)(p)) = ACE_HTONL(h->length());
   *((AAA_UINT8*)(p)) = h->version();

   p += sizeof(ACE_UINT32);

   *((ACE_UINT32*)(p)) = ACE_HTONL(h->type());
   *((AAA_UINT8*)(p)) = ((h->flags().request << 7) | (h->flags().separate << 3));

   p += sizeof(ACE_UINT32);
   *((ACE_UINT32*)(p)) = ACE_HTONL(h->tseq());

   p += sizeof(ACE_UINT32);
   *((ACE_UINT32*)(p)) = ACE_HTONL(h->rseq());

   p += sizeof(ACE_UINT32);
   aBuffer->wr_ptr(p);

   h->setDictHandle(handle);
}

PANA_MsgHeader::PANA_MsgHeader()
{
   version_ = PANA_VERSION;
   length_  = 0;
   type_    = 0;
   rseq_    = 0;
   tseq_    = 0;
   dictHandle_ = NULL;
   ACE_OS::memset(&flags_, 0, sizeof(PANA_MsgHeader::Flags));
}

PANA_Message::PANA_Message()
{
   srcPort_ = 0;
}

PANA_Message::~PANA_Message()
{
    avpList_.releaseContainers();
}

---