RetroShare/libretroshare/src/serialiser/rstlvlist.h
drbob 0dbe55bd05 Fixed serialiser bug in RsTlvList
Switched to proper Ids in gxsCircle gxsId items.
Fixed up Config serialiser.



git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@7218 b45a01b8-16f6-495d-af2f-9b41ad6348cc
2014-04-01 08:00:20 +00:00

143 lines
3.4 KiB
C++

#pragma once
/*
* libretroshare/src/serialiser: rstlvlist.h
*
* RetroShare Serialiser.
*
* Copyright 2014 by Robert Fernie
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License Version 2 as published by the Free Software Foundation.
*
* 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library 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.
*
* Please report all bugs and problems to "retroshare@lunamutt.com".
*
*/
#include "serialiser/rstlvbase.h"
#include "serialiser/rstlvitem.h"
#include <list>
#define TLV_DEBUG_LIST 1
template<class TLV_CLASS,uint32_t TLV_TYPE> class t_RsTlvList: public RsTlvItem
{
public:
t_RsTlvList() {}
virtual ~t_RsTlvList() {}
virtual uint32_t TlvSize() const
{
uint32_t size = TLV_HEADER_SIZE;
typename std::list<TLV_CLASS>::const_iterator it;
for(it = mList.begin();it != mList.end(); ++it)
{
size += it->TlvSize();
}
return size;
}
virtual void TlvClear(){ mList.clear(); }
virtual bool SetTlv(void *data, uint32_t size, uint32_t *offset) const
{
uint32_t tlvsize = TlvSize();
uint32_t tlvend = *offset + tlvsize;
/* must check sizes */
if (size < tlvend)
{
#ifdef TLV_DEBUG_LIST
std::cerr << "RsTlvList::SetTlv() Not enough size";
std::cerr << std::endl;
#endif
return false; /* not enough space */
}
bool ok = true;
/* start at data[offset] */
ok &= SetTlvBase(data, tlvend, offset, TLV_TYPE, tlvsize);
typename std::list<TLV_CLASS>::const_iterator it;
for(it = mList.begin();it != mList.end(); ++it)
{
ok &= it->SetTlv(data,tlvend,offset) ;
}
return ok ;
}
virtual bool GetTlv(void *data, uint32_t size, uint32_t *offset)
{
if (size < *offset + TLV_HEADER_SIZE)
{
#ifdef TLV_DEBUG_LIST
std::cerr << "RsTlvList::GetTlv() Not enough size";
std::cerr << std::endl;
#endif
return false;
}
uint16_t tlvtype = GetTlvType( &(((uint8_t *) data)[*offset]) );
uint32_t tlvsize = GetTlvSize( &(((uint8_t *) data)[*offset]) );
uint32_t tlvend = *offset + tlvsize;
if (size < tlvend) /* check size */
return false; /* not enough space */
if (tlvtype != TLV_TYPE) /* check type */
return false;
bool ok = true;
/* ready to load */
TlvClear();
/* skip the header */
(*offset) += TLV_HEADER_SIZE;
/* while there is TLV : 2 (type) + 4 (len) */
while(ok && ((*offset) + 6 < tlvend))
{
TLV_CLASS item;
ok &= item.GetTlv(data,tlvend,offset);
if (ok)
{
mList.push_back(item);
}
}
if(*offset != tlvend)
{
std::cerr << "(EE) deserialisation error in " << __PRETTY_FUNCTION__ << std::endl;
}
return *offset == tlvend ;
}
virtual std::ostream &print(std::ostream &out, uint16_t indent) const
{
printBase(out, "Template TlvList", indent);
typename std::list<TLV_CLASS>::const_iterator it;
for(it = mList.begin();it != mList.end(); ++it)
{
it->print(out, indent + 2) ;
}
printEnd(out, "Template TlvList", indent);
return out ;
}
std::list<TLV_CLASS> mList;
};