mirror of
https://github.com/RetroShare/RetroShare.git
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8e7fe9f79b
git-svn-id: http://svn.code.sf.net/p/retroshare/code/branches/v0.6-initdev@6782 b45a01b8-16f6-495d-af2f-9b41ad6348cc
100 lines
2.5 KiB
C++
100 lines
2.5 KiB
C++
/*
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* libretroshare/src/serialiser: rsserviceserialiser.cc
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*
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* 3P/PQI network interface for RetroShare.
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*
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* Copyright 2013-2013 by Cyril Soler & Robert Fernie
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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 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 "rsserviceserialiser.h"
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uint32_t RsServiceSerialiser::size(RsItem *i)
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{
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RsRawItem *item = dynamic_cast<RsRawItem *>(i);
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if (item)
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{
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return item->getRawLength();
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}
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return 0;
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}
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/* serialise the data to the buffer */
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bool RsServiceSerialiser::serialise(RsItem *i, void *data, uint32_t *pktsize)
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{
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RsRawItem *item = dynamic_cast<RsRawItem *>(i);
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if (!item)
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{
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return false;
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}
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#ifdef RSSERIAL_DEBUG
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std::cerr << "RsServiceSerialiser::serialise() serializing raw item. pktsize : " << *pktsize;
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#endif
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uint32_t tlvsize = item->getRawLength();
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#ifdef RSSERIAL_DEBUG
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std::cerr << "tlvsize : " << tlvsize << std::endl;
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#endif
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if (*pktsize < tlvsize)
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return false; /* not enough space */
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if (tlvsize > getRsPktMaxSize())
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return false; /* packet too big */
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*pktsize = tlvsize;
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/* its serialised already!!! */
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memcpy(data, item->getRawData(), tlvsize);
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return true;
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}
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RsItem *RsServiceSerialiser::deserialise(void *data, uint32_t *pktsize)
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{
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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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if (RS_PKT_VERSION_SERVICE != getRsItemVersion(rstype))
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{
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return NULL; /* wrong type */
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}
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if (*pktsize < rssize) /* check size */
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return NULL; /* not enough data */
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if (rssize > getRsPktMaxSize())
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return NULL; /* packet too big */
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/* set the packet length */
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*pktsize = rssize;
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RsRawItem *item = new RsRawItem(rstype, rssize);
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void *item_data = item->getRawData();
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memcpy(item_data, data, rssize);
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return item;
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}
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