mirror of
https://github.com/RetroShare/RetroShare.git
synced 2024-10-01 02:35:48 -04:00
325fa4f222
git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@6401 b45a01b8-16f6-495d-af2f-9b41ad6348cc
394 lines
10 KiB
C++
394 lines
10 KiB
C++
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/*
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* libretroshare/src/gxs: rsopsteditems.cc
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*
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* RetroShare Serialiser.
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*
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* Copyright 2012-2013 by Robert Fernie, Christopher Evi-Parker
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License Version 2.1 as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA.
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*
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* Please report all bugs and problems to "retroshare@lunamutt.com".
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*
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*/
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#include "serialiser/rsposteditems.h"
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#include "rsbaseserial.h"
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#include "rstlvbase.h"
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uint32_t RsGxsPostedSerialiser::size(RsItem *item)
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{
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#ifdef POSTED_DEBUG
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std::cerr << "RsGxsPostedSerialiser::size()" << std::endl;
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#endif
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RsGxsPostedGroupItem* pgItem = NULL;
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RsGxsPostedPostItem* ppItem = NULL;
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if ((pgItem = dynamic_cast<RsGxsPostedGroupItem*>(item)) != NULL)
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{
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return sizeGxsPostedGroupItem(pgItem);
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}
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else if ((ppItem = dynamic_cast<RsGxsPostedPostItem*>(item)) != NULL)
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{
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return sizeGxsPostedPostItem(ppItem);
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}
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else
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{
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return RsGxsCommentSerialiser::size(item);
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}
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return NULL;
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}
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bool RsGxsPostedSerialiser::serialise(RsItem *item, void *data, uint32_t *size)
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{
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#ifdef POSTED_DEBUG
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std::cerr << "RsGxsPostedSerialiser::serialise()" << std::endl;
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#endif
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RsGxsPostedPostItem* ppItem = NULL;
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RsGxsPostedGroupItem* pgItem = NULL;
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if ((pgItem = dynamic_cast<RsGxsPostedGroupItem*>(item)) != NULL)
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{
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return serialiseGxsPostedGroupItem(pgItem, data, size);
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}
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else if ((ppItem = dynamic_cast<RsGxsPostedPostItem*>(item)) != NULL)
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{
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return serialiseGxsPostedPostItem(ppItem, data, size);
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}
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else
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{
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return RsGxsCommentSerialiser::serialise(item, data, size);
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}
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return false;
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}
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RsItem* RsGxsPostedSerialiser::deserialise(void *data, uint32_t *size)
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{
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#ifdef POSTED_DEBUG
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std::cerr << "RsGxsPostedSerialiser::deserialise()" << std::endl;
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#endif
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/* get the type and size */
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uint32_t rstype = getRsItemId(data);
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if ((RS_PKT_VERSION_SERVICE != getRsItemVersion(rstype)) ||
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(RS_SERVICE_GXSV2_TYPE_POSTED != getRsItemService(rstype)))
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{
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std::cerr << "RsGxsPostedSerialiser::deserialise() ERROR Wrong Type";
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std::cerr << std::endl;
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return NULL; /* wrong type */
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}
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switch(getRsItemSubType(rstype))
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{
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case RS_PKT_SUBTYPE_POSTED_GRP_ITEM:
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return deserialiseGxsPostedGroupItem(data, size);
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break;
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case RS_PKT_SUBTYPE_POSTED_POST_ITEM:
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return deserialiseGxsPostedPostItem(data, size);
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break;
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default:
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return RsGxsCommentSerialiser::deserialise(data, size);
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break;
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}
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return NULL;
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}
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/*****************************************************************************************/
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/*****************************************************************************************/
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/*****************************************************************************************/
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void RsGxsPostedPostItem::clear()
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{
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mPost.mLink.clear();
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mPost.mNotes.clear();
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}
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std::ostream & RsGxsPostedPostItem::print(std::ostream &out, uint16_t indent)
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{
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printRsItemBase(out, "RsGxsPostedPostItem", indent);
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uint16_t int_Indent = indent + 2;
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printIndent(out, int_Indent);
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out << "Link: " << mPost.mLink << std::endl;
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printIndent(out, int_Indent);
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out << "Notes: " << mPost.mNotes << std::endl;
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printRsItemEnd(out ,"RsGxsPostedPostItem", indent);
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return out;
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}
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uint32_t RsGxsPostedSerialiser::sizeGxsPostedPostItem(RsGxsPostedPostItem* item)
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{
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RsPostedPost& p = item->mPost;
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uint32_t s = 8;
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s += GetTlvStringSize(p.mLink);
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s += GetTlvStringSize(p.mNotes);
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return s;
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}
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bool RsGxsPostedSerialiser::serialiseGxsPostedPostItem(RsGxsPostedPostItem* item, void* data, uint32_t *size)
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{
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#ifdef POSTED_DEBUG
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std::cerr << "RsGxsPostedSerialiser::serialiseGxsPostedPostItem()" << std::endl;
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#endif
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uint32_t tlvsize = sizeGxsPostedPostItem(item);
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uint32_t offset = 0;
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if(*size < tlvsize){
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std::cerr << "RsGxsPostedSerialiser::serialiseGxsPostedPostItem() Size too small" << std::endl;
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return false;
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}
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*size = tlvsize;
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bool ok = true;
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ok &= setRsItemHeader(data, tlvsize, item->PacketId(), tlvsize);
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/* skip the header */
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offset += 8;
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/* RsPostedPost */
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ok &= SetTlvString(data, tlvsize, &offset, 1, item->mPost.mLink);
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ok &= SetTlvString(data, tlvsize, &offset, 1, item->mPost.mNotes);
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if(offset != tlvsize)
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{
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std::cerr << "RsGxsPostedSerialiser::serialiseGxsPostedPostItem() FAIL Size Error! " << std::endl;
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ok = false;
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}
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#ifdef POSTED_DEBUG
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if (!ok)
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{
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std::cerr << "RsGxsPostedSerialiser::serialiseGxsPostedPostItem() NOK" << std::endl;
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}
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#endif
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return ok;
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}
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RsGxsPostedPostItem* RsGxsPostedSerialiser::deserialiseGxsPostedPostItem(void *data, uint32_t *size)
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{
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#ifdef POSTED_DEBUG
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std::cerr << "RsGxsPostedSerialiser::deserialiseGxsPostedPostItem()" << std::endl;
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#endif
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/* get the type and size */
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uint32_t rstype = getRsItemId(data);
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uint32_t rssize = getRsItemSize(data);
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uint32_t offset = 0;
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if ((RS_PKT_VERSION_SERVICE != getRsItemVersion(rstype)) ||
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(RS_SERVICE_GXSV2_TYPE_POSTED != getRsItemService(rstype)) ||
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(RS_PKT_SUBTYPE_POSTED_POST_ITEM != getRsItemSubType(rstype)))
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{
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std::cerr << "RsGxsPostedSerialiser::deserialiseGxsPostedPostItem() FAIL wrong type" << std::endl;
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return NULL; /* wrong type */
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}
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if (*size < rssize) /* check size */
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{
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std::cerr << "RsGxsPostedSerialiser::deserialiseGxsPostedPostItem() FAIL wrong size" << std::endl;
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return NULL; /* not enough data */
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}
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/* set the packet length */
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*size = rssize;
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bool ok = true;
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RsGxsPostedPostItem* item = new RsGxsPostedPostItem();
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/* skip the header */
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offset += 8;
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ok &= GetTlvString(data, rssize, &offset, 1, item->mPost.mLink);
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ok &= GetTlvString(data, rssize, &offset, 1, item->mPost.mNotes);
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if (offset != rssize)
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{
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std::cerr << "RsGxsPostedSerialiser::deserialiseGxsPostedPostItem() FAIL size mismatch" << std::endl;
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/* error */
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delete item;
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return NULL;
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}
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if (!ok)
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{
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#ifdef POSTED_DEBUG
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std::cerr << "RsGxsPostedSerialiser::deserialiseGxsPostedPostItem() NOK" << std::endl;
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#endif
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delete item;
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return NULL;
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}
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return item;
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}
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/*****************************************************************************************/
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/*****************************************************************************************/
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/*****************************************************************************************/
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void RsGxsPostedGroupItem::clear()
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{
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mGroup.mDescription.clear();
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return;
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}
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std::ostream & RsGxsPostedGroupItem::print(std::ostream &out, uint16_t indent)
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{
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printRsItemBase(out, "RsGxsPostedGroupItem", indent);
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uint16_t int_Indent = indent + 2;
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printIndent(out, int_Indent);
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out << "Description: " << mGroup.mDescription << std::endl;
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printRsItemEnd(out ,"RsGxsPostedGroupItem", indent);
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return out;
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}
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uint32_t RsGxsPostedSerialiser::sizeGxsPostedGroupItem(RsGxsPostedGroupItem* item)
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{
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RsPostedGroup& g = item->mGroup;
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uint32_t s = 8; // header
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s += GetTlvStringSize(g.mDescription);
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return s;
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}
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bool RsGxsPostedSerialiser::serialiseGxsPostedGroupItem(RsGxsPostedGroupItem* item, void* data, uint32_t *size)
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{
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#ifdef POSTED_DEBUG
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std::cerr << "RsGxsPostedSerialiser::serialiseGxsPostedGroupItem()" << std::endl;
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#endif
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uint32_t tlvsize = sizeGxsPostedGroupItem(item);
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uint32_t offset = 0;
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if(*size < tlvsize){
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#ifdef POSTED_DEBUG
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std::cerr << "RsGxsPostedSerialiser::serialiseGxsPostedGroupItem()" << std::endl;
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#endif
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return false;
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}
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*size = tlvsize;
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bool ok = true;
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ok &= setRsItemHeader(data, tlvsize, item->PacketId(), tlvsize);
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/* skip the header */
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offset += 8;
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/* PostedGroupItem */
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ok &= SetTlvString(data, tlvsize, &offset, 1, item->mGroup.mDescription);
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if(offset != tlvsize)
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{
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#ifdef POSTED_DEBUG
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std::cerr << "RsGxsPostedSerialiser::serialiseGxsPostedGroupItem() FAIL Size Error! " << std::endl;
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#endif
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ok = false;
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}
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#ifdef POSTED_DEBUG
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if (!ok)
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{
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std::cerr << "RsGxsPostedSerialiser::serialiseGxsPostedGroupItem() NOK" << std::endl;
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}
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#endif
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return ok;
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}
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RsGxsPostedGroupItem* RsGxsPostedSerialiser::deserialiseGxsPostedGroupItem(void *data, uint32_t *size)
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{
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#ifdef POSTED_DEBUG
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std::cerr << "RsGxsPostedSerialiser::deserialiseGxsPostedGroupItem()" << std::endl;
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#endif
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/* get the type and size */
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uint32_t rstype = getRsItemId(data);
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uint32_t rssize = getRsItemSize(data);
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uint32_t offset = 0;
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if ((RS_PKT_VERSION_SERVICE != getRsItemVersion(rstype)) ||
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(RS_SERVICE_GXSV2_TYPE_POSTED != getRsItemService(rstype)) ||
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(RS_PKT_SUBTYPE_POSTED_GRP_ITEM != getRsItemSubType(rstype)))
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{
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std::cerr << "RsGxsPostedSerialiser::deserialiseGxsPostedGroupItem() FAIL wrong type" << std::endl;
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return NULL; /* wrong type */
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}
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if (*size < rssize) /* check size */
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{
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std::cerr << "RsGxsPostedSerialiser::deserialiseGxsPostedGroupItem() FAIL wrong size" << std::endl;
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return NULL; /* not enough data */
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}
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/* set the packet length */
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*size = rssize;
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bool ok = true;
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RsGxsPostedGroupItem* item = new RsGxsPostedGroupItem();
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/* skip the header */
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offset += 8;
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ok &= GetTlvString(data, rssize, &offset, 1, item->mGroup.mDescription);
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if (offset != rssize)
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{
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std::cerr << "RsGxsPostedSerialiser::deserialiseGxsPostedGroupItem() FAIL size mismatch" << std::endl;
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/* error */
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delete item;
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return NULL;
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}
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if (!ok)
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{
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#ifdef POSTED_DEBUG
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std::cerr << "RsGxsPostedSerialiser::deserialiseGxsPostedGroupItem() NOK" << std::endl;
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#endif
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delete item;
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return NULL;
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}
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return item;
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}
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