RetroShare/libretroshare/src/serialiser/rsgxsforumitems.cc
chrisparker126 0fd46e4f2b Added specific IDs to GXS service serialisers
NOTE! YOU WILL LOSE CURRENT GXS data!

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@7100 b45a01b8-16f6-495d-af2f-9b41ad6348cc
2014-02-08 11:13:10 +00:00

403 lines
9.8 KiB
C++

/*
* libretroshare/src/serialiser: rsgxsforumitems.cc
*
* RetroShare C++ Interface.
*
* Copyright 2012-2012 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 2.1 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 <iostream>
#include "rsgxsforumitems.h"
#include "serialiser/rstlvbase.h"
#include "serialiser/rsbaseserial.h"
#define GXSFORUM_DEBUG 1
uint32_t RsGxsForumSerialiser::size(RsItem *item)
{
RsGxsForumGroupItem* grp_item = NULL;
RsGxsForumMsgItem* op_item = NULL;
if((grp_item = dynamic_cast<RsGxsForumGroupItem*>(item)) != NULL)
{
return sizeGxsForumGroupItem(grp_item);
}
else if((op_item = dynamic_cast<RsGxsForumMsgItem*>(item)) != NULL)
{
return sizeGxsForumMsgItem(op_item);
}
std::cerr << "RsGxsForumSerialiser::size() ERROR invalid item" << std::endl;
return 0;
}
bool RsGxsForumSerialiser::serialise(RsItem *item, void *data, uint32_t *size)
{
RsGxsForumGroupItem* grp_item = NULL;
RsGxsForumMsgItem* op_item = NULL;
if((grp_item = dynamic_cast<RsGxsForumGroupItem*>(item)) != NULL)
{
return serialiseGxsForumGroupItem(grp_item, data, size);
}
else if((op_item = dynamic_cast<RsGxsForumMsgItem*>(item)) != NULL)
{
return serialiseGxsForumMsgItem(op_item, data, size);
}
std::cerr << "RsGxsForumSerialiser::serialise() ERROR invalid item" << std::endl;
return false;
}
RsItem* RsGxsForumSerialiser::deserialise(void* data, uint32_t* size)
{
#ifdef GXSFORUM_DEBUG
std::cerr << "RsGxsForumSerialiser::deserialise()" << std::endl;
#endif
/* get the type and size */
uint32_t rstype = getRsItemId(data);
if ((RS_PKT_VERSION_SERVICE != getRsItemVersion(rstype)) ||
(RS_SERVICE_GXSV2_TYPE_FORUMS != getRsItemService(rstype)))
{
return NULL; /* wrong type */
}
switch(getRsItemSubType(rstype))
{
case RS_PKT_SUBTYPE_GXSFORUM_GROUP_ITEM:
return deserialiseGxsForumGroupItem(data, size);
break;
case RS_PKT_SUBTYPE_GXSFORUM_MESSAGE_ITEM:
return deserialiseGxsForumMsgItem(data, size);
break;
default:
#ifdef GXSFORUM_DEBUG
std::cerr << "RsGxsForumSerialiser::deserialise(): unknown subtype";
std::cerr << std::endl;
#endif
break;
}
return NULL;
}
/*****************************************************************************************/
/*****************************************************************************************/
/*****************************************************************************************/
void RsGxsForumGroupItem::clear()
{
mGroup.mDescription.clear();
}
std::ostream& RsGxsForumGroupItem::print(std::ostream& out, uint16_t indent)
{
printRsItemBase(out, "RsGxsForumGroupItem", indent);
uint16_t int_Indent = indent + 2;
printIndent(out, int_Indent);
out << "Description: " << mGroup.mDescription << std::endl;
printRsItemEnd(out ,"RsGxsForumGroupItem", indent);
return out;
}
uint32_t RsGxsForumSerialiser::sizeGxsForumGroupItem(RsGxsForumGroupItem *item)
{
const RsGxsForumGroup& group = item->mGroup;
uint32_t s = 8; // header
s += GetTlvStringSize(group.mDescription);
return s;
}
bool RsGxsForumSerialiser::serialiseGxsForumGroupItem(RsGxsForumGroupItem *item, void *data, uint32_t *size)
{
#ifdef GXSFORUM_DEBUG
std::cerr << "RsGxsForumSerialiser::serialiseGxsForumGroupItem()" << std::endl;
#endif
uint32_t tlvsize = sizeGxsForumGroupItem(item);
uint32_t offset = 0;
if(*size < tlvsize)
{
#ifdef GXSFORUM_DEBUG
std::cerr << "RsGxsForumSerialiser::serialiseGxsForumGroupItem() Size too small" << std::endl;
#endif
return false;
}
*size = tlvsize;
bool ok = true;
ok &= setRsItemHeader(data, tlvsize, item->PacketId(), tlvsize);
/* skip the header */
offset += 8;
/* GxsForumGroupItem */
ok &= SetTlvString(data, tlvsize, &offset, TLV_TYPE_STR_DESCR, item->mGroup.mDescription);
if(offset != tlvsize)
{
#ifdef GXSFORUM_DEBUG
std::cerr << "RsGxsForumSerialiser::serialiseGxsForumGroupItem() FAIL Size Error! " << std::endl;
#endif
ok = false;
}
#ifdef GXSFORUM_DEBUG
if (!ok)
{
std::cerr << "RsGxsForumSerialiser::serialiseGxsForumGroupItem() NOK" << std::endl;
}
#endif
return ok;
}
RsGxsForumGroupItem* RsGxsForumSerialiser::deserialiseGxsForumGroupItem(void *data, uint32_t *size)
{
#ifdef GXSFORUM_DEBUG
std::cerr << "RsGxsForumSerialiser::deserialiseGxsForumGroupItem()" << std::endl;
#endif
/* get the type and size */
uint32_t rstype = getRsItemId(data);
uint32_t rssize = getRsItemSize(data);
uint32_t offset = 0;
if ((RS_PKT_VERSION_SERVICE != getRsItemVersion(rstype)) ||
(RS_SERVICE_GXSV2_TYPE_FORUMS != getRsItemService(rstype)) ||
(RS_PKT_SUBTYPE_GXSFORUM_GROUP_ITEM != getRsItemSubType(rstype)))
{
#ifdef GXSFORUM_DEBUG
std::cerr << "RsGxsForumSerialiser::deserialiseGxsForumGroupItem() FAIL wrong type" << std::endl;
#endif
return NULL; /* wrong type */
}
if (*size < rssize) /* check size */
{
#ifdef GXSFORUM_DEBUG
std::cerr << "RsGxsForumSerialiser::deserialiseGxsForumGroupItem() FAIL wrong size" << std::endl;
#endif
return NULL; /* not enough data */
}
/* set the packet length */
*size = rssize;
bool ok = true;
RsGxsForumGroupItem* item = new RsGxsForumGroupItem();
/* skip the header */
offset += 8;
ok &= GetTlvString(data, rssize, &offset, TLV_TYPE_STR_DESCR, item->mGroup.mDescription);
if (offset != rssize)
{
#ifdef GXSFORUM_DEBUG
std::cerr << "RsGxsForumSerialiser::deserialiseGxsForumGroupItem() FAIL size mismatch" << std::endl;
#endif
/* error */
delete item;
return NULL;
}
if (!ok)
{
#ifdef GXSFORUM_DEBUG
std::cerr << "RsGxsForumSerialiser::deserialiseGxsForumGroupItem() NOK" << std::endl;
#endif
delete item;
return NULL;
}
return item;
}
/*****************************************************************************************/
/*****************************************************************************************/
/*****************************************************************************************/
void RsGxsForumMsgItem::clear()
{
mMsg.mMsg.clear();
}
std::ostream& RsGxsForumMsgItem::print(std::ostream& out, uint16_t indent)
{
printRsItemBase(out, "RsGxsForumMsgItem", indent);
uint16_t int_Indent = indent + 2;
printIndent(out, int_Indent);
out << "Msg: " << mMsg.mMsg << std::endl;
printRsItemEnd(out ,"RsGxsForumMsgItem", indent);
return out;
}
uint32_t RsGxsForumSerialiser::sizeGxsForumMsgItem(RsGxsForumMsgItem *item)
{
const RsGxsForumMsg& msg = item->mMsg;
uint32_t s = 8; // header
s += GetTlvStringSize(msg.mMsg); // mMsg.
return s;
}
bool RsGxsForumSerialiser::serialiseGxsForumMsgItem(RsGxsForumMsgItem *item, void *data, uint32_t *size)
{
#ifdef GXSFORUM_DEBUG
std::cerr << "RsGxsForumSerialiser::serialiseGxsForumMsgItem()" << std::endl;
#endif
uint32_t tlvsize = sizeGxsForumMsgItem(item);
uint32_t offset = 0;
if(*size < tlvsize)
{
#ifdef GXSFORUM_DEBUG
std::cerr << "RsGxsForumSerialiser::serialiseGxsForumMsgItem()" << std::endl;
#endif
return false;
}
*size = tlvsize;
bool ok = true;
ok &= setRsItemHeader(data, tlvsize, item->PacketId(), tlvsize);
/* skip the header */
offset += 8;
/* GxsForumMsgItem */
ok &= SetTlvString(data, tlvsize, &offset, TLV_TYPE_STR_MSG, item->mMsg.mMsg);
if(offset != tlvsize)
{
#ifdef GXSFORUM_DEBUG
std::cerr << "RsGxsForumSerialiser::serialiseGxsForumMsgItem() FAIL Size Error! " << std::endl;
#endif
ok = false;
}
#ifdef GXSFORUM_DEBUG
if (!ok)
{
std::cerr << "RsGxsForumSerialiser::serialiseGxsForumGroupItem() NOK" << std::endl;
}
#endif
return ok;
}
RsGxsForumMsgItem* RsGxsForumSerialiser::deserialiseGxsForumMsgItem(void *data, uint32_t *size)
{
#ifdef GXSFORUM_DEBUG
std::cerr << "RsGxsForumSerialiser::deserialiseGxsForumMsgItem()" << std::endl;
#endif
/* get the type and size */
uint32_t rstype = getRsItemId(data);
uint32_t rssize = getRsItemSize(data);
uint32_t offset = 0;
if ((RS_PKT_VERSION_SERVICE != getRsItemVersion(rstype)) ||
(RS_SERVICE_GXSV2_TYPE_FORUMS != getRsItemService(rstype)) ||
(RS_PKT_SUBTYPE_GXSFORUM_MESSAGE_ITEM != getRsItemSubType(rstype)))
{
#ifdef GXSFORUM_DEBUG
std::cerr << "RsGxsForumSerialiser::deserialiseGxsForumMsgItem() FAIL wrong type" << std::endl;
#endif
return NULL; /* wrong type */
}
if (*size < rssize) /* check size */
{
#ifdef GXSFORUM_DEBUG
std::cerr << "RsGxsForumSerialiser::deserialiseGxsForumMsgItem() FAIL wrong size" << std::endl;
#endif
return NULL; /* not enough data */
}
/* set the packet length */
*size = rssize;
bool ok = true;
RsGxsForumMsgItem* item = new RsGxsForumMsgItem();
/* skip the header */
offset += 8;
ok &= GetTlvString(data, rssize, &offset, TLV_TYPE_STR_MSG, item->mMsg.mMsg);
if (offset != rssize)
{
#ifdef GXSFORUM_DEBUG
std::cerr << "RsGxsForumSerialiser::deserialiseGxsForumMsgItem() FAIL size mismatch" << std::endl;
#endif
/* error */
delete item;
return NULL;
}
if (!ok)
{
#ifdef GXSFORUM_DEBUG
std::cerr << "RsGxsForumSerialiser::deserialiseGxsForumMsgItem() NOK" << std::endl;
#endif
delete item;
return NULL;
}
return item;
}
/*****************************************************************************************/
/*****************************************************************************************/
/*****************************************************************************************/