mirror of
https://github.com/RetroShare/RetroShare.git
synced 2024-12-11 08:54:34 -05:00
5acc8411e5
git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@2406 b45a01b8-16f6-495d-af2f-9b41ad6348cc
700 lines
18 KiB
C++
700 lines
18 KiB
C++
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/*
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* libretroshare/src/serialiser: rsdiscitems.cc
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*
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* RetroShare Serialiser.
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*
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* Copyright 2007-2008 by 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 "serialiser/rsbaseserial.h"
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#include "serialiser/rsbaseserial.h"
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#include "serialiser/rsserviceids.h"
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#include "serialiser/rsdiscitems.h"
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#include "serialiser/rstlvbase.h"
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#include "serialiser/rstlvtypes.h"
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/***
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#define RSSERIAL_DEBUG 1
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***/
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#include <iostream>
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/*************************************************************************/
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uint32_t RsDiscSerialiser::size(RsItem *i)
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{
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RsDiscAskInfo *inf;
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RsDiscReply *rdr;
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RsDiscVersion *rdv;
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RsDiscHeartbeat *rdt;
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/* do reply first - as it is derived from Item */
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if (NULL != (rdr = dynamic_cast<RsDiscReply *>(i)))
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{
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return sizeReply(rdr);
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}
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else if (NULL != (inf = dynamic_cast<RsDiscAskInfo *>(i)))
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{
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return sizeAskInfo(inf);
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}
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else if (NULL != (rdv = dynamic_cast<RsDiscVersion *>(i)))
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{
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return sizeVersion(rdv);
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}
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else if (NULL != (rdt = dynamic_cast<RsDiscHeartbeat *>(i)))
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{
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return sizeHeartbeat(rdt);
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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 RsDiscSerialiser::serialise(RsItem *i, void *data, uint32_t *pktsize)
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{
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RsDiscAskInfo *inf;
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RsDiscReply *rdr;
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RsDiscVersion *rdv;
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RsDiscHeartbeat *rdt;
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/* do reply first - as it is derived from Item */
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if (NULL != (rdr = dynamic_cast<RsDiscReply *>(i)))
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{
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return serialiseReply(rdr, data, pktsize);
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}
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else if (NULL != (inf = dynamic_cast<RsDiscAskInfo *>(i)))
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{
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return serialiseAskInfo(inf, data, pktsize);
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}
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else if (NULL != (rdv = dynamic_cast<RsDiscVersion *>(i)))
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{
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return serialiseVersion(rdv, data, pktsize);
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}
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else if (NULL != (rdt = dynamic_cast<RsDiscHeartbeat *>(i)))
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{
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return serialiseHeartbeat(rdt, data, pktsize);
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}
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return false;
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}
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RsItem *RsDiscSerialiser::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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if ((RS_PKT_VERSION_SERVICE != getRsItemVersion(rstype)) ||
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(RS_SERVICE_TYPE_DISC != getRsItemService(rstype)))
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{
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std::cerr << "RsDiscSerialiser::deserialise() Wrong Type" << 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_DISC_REPLY:
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return deserialiseReply(data, pktsize);
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break;
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case RS_PKT_SUBTYPE_DISC_ASK_INFO:
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return deserialiseAskInfo(data, pktsize);
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break;
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case RS_PKT_SUBTYPE_DISC_VERSION:
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return deserialiseVersion(data, pktsize);
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break;
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case RS_PKT_SUBTYPE_DISC_HEARTBEAT:
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return deserialiseHeartbeat(data, pktsize);
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break;
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default:
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return NULL;
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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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RsDiscAskInfo::~RsDiscAskInfo()
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{
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return;
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}
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void RsDiscAskInfo::clear()
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{
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gpg_id.clear();
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}
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std::ostream &RsDiscAskInfo::print(std::ostream &out, uint16_t indent)
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{
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printRsItemBase(out, "RsDiscAskInfo", indent);
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uint16_t int_Indent = indent + 2;
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printIndent(out, int_Indent);
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out << "gpg_id: " << gpg_id << std::endl;
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printRsItemEnd(out, "RsDiscAskInfo", indent);
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return out;
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}
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uint32_t RsDiscSerialiser::sizeAskInfo(RsDiscAskInfo *item)
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{
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uint32_t s = 8; /* header */
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s += GetTlvStringSize(item->gpg_id);
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return s;
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}
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/* serialise the data to the buffer */
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bool RsDiscSerialiser::serialiseAskInfo(RsDiscAskInfo *item, void *data, uint32_t *pktsize)
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{
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uint32_t tlvsize = sizeAskInfo(item);
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uint32_t offset = 0;
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if (*pktsize < tlvsize)
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return false; /* not enough space */
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*pktsize = tlvsize;
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bool ok = true;
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ok &= setRsItemHeader(data, tlvsize, item->PacketId(), tlvsize);
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#ifdef RSSERIAL_DEBUG
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std::cerr << "RsDiscSerialiser::serialiseAskInfo() Header: " << ok << std::endl;
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std::cerr << "RsDiscSerialiser::serialiseAskInfo() Size: " << tlvsize << std::endl;
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#endif
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/* skip the header */
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offset += 8;
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/* add mandatory parts first */
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ok &= SetTlvString(data, tlvsize, &offset, TLV_TYPE_STR_PEERID, item->gpg_id);
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if (offset != tlvsize) {
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ok = false;
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#ifdef RSSERIAL_DEBUG
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std::cerr << "RsDiscSerialiser::serialiseAskInfo() Size Error! " << std::endl;
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#endif
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}
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return ok;
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}
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RsDiscAskInfo *RsDiscSerialiser::deserialiseAskInfo(void *data, uint32_t *pktsize) {
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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_TYPE_DISC != getRsItemService(rstype)) ||
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(RS_PKT_SUBTYPE_DISC_ASK_INFO != getRsItemSubType(rstype)))
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{
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#ifdef RSSERIAL_DEBUG
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std::cerr << "RsDiscSerialiser::deserialiseAskInfo() Wrong Type" << std::endl;
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#endif
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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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{
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#ifdef RSSERIAL_DEBUG
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std::cerr << "RsDiscSerialiser::deserialiseAskInfo() Not Enough Space" << std::endl;
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#endif
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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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*pktsize = rssize;
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bool ok = true;
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/* ready to load */
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RsDiscAskInfo *item = new RsDiscAskInfo();
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item->clear();
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/* skip the header */
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offset += 8;
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/* get mandatory parts first */
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ok &= GetTlvString(data, rssize, &offset, TLV_TYPE_STR_PEERID, item->gpg_id);
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if (offset != rssize) {
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#ifdef RSSERIAL_DEBUG
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std::cerr << "RsDiscSerialiser::deserialiseAskInfo() offset != rssize" << std::endl;
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#endif
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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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#ifdef RSSERIAL_DEBUG
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std::cerr << "RsDiscSerialiser::deserialiseAskInfo() ok = false" << 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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RsDiscReply::~RsDiscReply()
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{
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return;
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}
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void RsDiscReply::clear()
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{
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aboutId.clear();
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certGPG.clear();
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rsPeerList.clear();
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}
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std::ostream &RsDiscReply::print(std::ostream &out, uint16_t indent)
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{
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printRsItemBase(out, "RsDiscReply", indent);
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uint16_t int_Indent = indent + 2;
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printIndent(out, int_Indent);
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out << "AboutId: " << aboutId << std::endl;
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printIndent(out, int_Indent);
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out << "certGPG: " << certGPG << std::endl;
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printIndent(out, int_Indent);
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out << "RsDiscReply::print() RsPeerNetItem list : " << std::endl;
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for (std::list<RsPeerNetItem>::iterator pitemIt = rsPeerList.begin(); pitemIt!=(rsPeerList.end()); pitemIt++) {
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printIndent(out, int_Indent);
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pitemIt->print(std::cerr, indent);
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}
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printRsItemEnd(out, "RsDiscReply", indent);
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return out;
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}
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uint32_t RsDiscSerialiser::sizeReply(RsDiscReply *item)
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{
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uint32_t s = 8; /* header */
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s += GetTlvStringSize(item->aboutId);
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s += GetTlvStringSize(item->certGPG);
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RsPeerConfigSerialiser *rss = new RsPeerConfigSerialiser();
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for (std::list<RsPeerNetItem>::iterator it = item->rsPeerList.begin(); it != item->rsPeerList.end(); it++){
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RsPeerNetItem pitem = *it;
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s += rss->size(&pitem);
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}
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return s;
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}
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/* serialise the data to the buffer */
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bool RsDiscSerialiser::serialiseReply(RsDiscReply *item, void *data, uint32_t *pktsize)
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{
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uint32_t tlvsize = sizeReply(item);
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uint32_t offset = 0;
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if (*pktsize < tlvsize)
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return false; /* not enough space */
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*pktsize = tlvsize;
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bool ok = true;
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ok &= setRsItemHeader(data, tlvsize, item->PacketId(), tlvsize);
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#ifdef RSSERIAL_DEBUG
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std::cerr << "RsDiscSerialiser::serialiseReply() Header: " << ok << std::endl;
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std::cerr << "RsDiscSerialiser::serialiseReply() Size: " << tlvsize << std::endl;
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#endif
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/* skip the header */
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offset += 8;
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/* add mandatory parts first */
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ok &= SetTlvString(data, tlvsize, &offset, TLV_TYPE_STR_PEERID, item->aboutId);
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ok &= SetTlvString(data, tlvsize, &offset, TLV_TYPE_STR_CERT_GPG, item->certGPG);
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//store the ip list
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RsPeerConfigSerialiser *rss = new RsPeerConfigSerialiser();
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std::list<RsPeerNetItem>::iterator pitemIt;
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for (pitemIt = item->rsPeerList.begin(); pitemIt!=(item->rsPeerList.end()); pitemIt++) {
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void *pitemData = malloc(16000);
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uint32_t size = 16000;
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RsPeerNetItem pitem = *pitemIt;
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ok &= rss->serialise(&pitem, pitemData, &size);
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memcpy((void *) (((char *) data) + offset), pitemData, size);
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free(pitemData);
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offset += size;
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}
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if (offset != tlvsize) {
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ok = false;
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#ifdef RSSERIAL_DEBUG
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std::cerr << "RsDiscSerialiser::serialiseReply() Size Error! " << std::endl;
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#endif
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}
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return ok;
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}
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RsDiscReply *RsDiscSerialiser::deserialiseReply(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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uint32_t offset = 0;
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if ((RS_PKT_VERSION_SERVICE != getRsItemVersion(rstype)) ||
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(RS_SERVICE_TYPE_DISC != getRsItemService(rstype)) ||
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(RS_PKT_SUBTYPE_DISC_REPLY != getRsItemSubType(rstype)))
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{
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#ifdef RSSERIAL_DEBUG
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std::cerr << "RsDiscSerialiser::deserialiseReply() Wrong Type" << std::endl;
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#endif
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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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{
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#ifdef RSSERIAL_DEBUG
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std::cerr << "RsDiscSerialiser::deserialiseReply() pktsize != rssize" << std::endl;
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#endif
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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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*pktsize = rssize;
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bool ok = true;
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/* ready to load */
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RsDiscReply *item = new RsDiscReply();
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item->clear();
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/* skip the header */
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offset += 8;
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/* get mandatory parts first */
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ok &= GetTlvString(data, rssize, &offset, TLV_TYPE_STR_PEERID, item->aboutId);
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ok &= GetTlvString(data, rssize, &offset, TLV_TYPE_STR_CERT_GPG, item->certGPG);
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//get the peernet address list
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RsPeerConfigSerialiser *rss = new RsPeerConfigSerialiser();
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std::list<RsPeerNetItem> rsPeerNetItemList;
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while (offset < rssize) {
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void *peerNetdata = malloc(16000);
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uint32_t peerNetSize = (*pktsize) - offset;
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memcpy(peerNetdata, (void *) (((char *) data) + offset), peerNetSize);
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RsPeerNetItem *rsPeerNetItem = (RsPeerNetItem*)rss->deserialise(peerNetdata, &peerNetSize);
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offset += peerNetSize;
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item->rsPeerList.push_back(*rsPeerNetItem);
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}
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if (offset != rssize) {
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#ifdef RSSERIAL_DEBUG
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std::cerr << "RsDiscSerialiser::deserialiseReply() offset != rssize" << std::endl;
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#endif
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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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#ifdef RSSERIAL_DEBUG
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std::cerr << "RsDiscSerialiser::deserialiseReply() ok = false" << 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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RsDiscVersion::~RsDiscVersion()
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{
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return;
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}
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void RsDiscVersion::clear()
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{
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version = "";
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}
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std::ostream &RsDiscVersion::print(std::ostream &out, uint16_t indent)
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{
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printRsItemBase(out, "RsDiscVersion", indent);
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uint16_t int_Indent = indent + 2;
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printIndent(out, int_Indent);
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out << "Version String: " << version << std::endl;
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printRsItemEnd(out, "RsDiscVersion", indent);
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return out;
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}
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uint32_t RsDiscSerialiser::sizeVersion(RsDiscVersion *item)
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{
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uint32_t s = 8; /* header */
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s += GetTlvStringSize(item->version);
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return s;
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}
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/* serialise the data to the buffer */
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bool RsDiscSerialiser::serialiseVersion(RsDiscVersion *item, void *data, uint32_t *pktsize)
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{
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uint32_t tlvsize = sizeVersion(item);
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uint32_t offset = 0;
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if (*pktsize < tlvsize)
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return false; /* not enough space */
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*pktsize = tlvsize;
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bool ok = true;
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ok &= setRsItemHeader(data, *pktsize, item->PacketId(), *pktsize);
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#ifdef RSSERIAL_DEBUG
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std::cerr << "RsDiscSerialiser::serialiseVersion() Header: " << ok << std::endl;
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std::cerr << "RsDiscSerialiser::serialiseVersion() Size: " << tlvsize << std::endl;
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#endif
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/* skip the header */
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offset += 8;
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ok &= SetTlvString(data, tlvsize, &offset, TLV_TYPE_STR_VALUE, item->version);
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if (offset != tlvsize)
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{
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ok = false;
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#ifdef RSSERIAL_DEBUG
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std::cerr << "RsDiscSerialiser::serialiseVersion() Size Error! " << std::endl;
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std::cerr << "Offset: " << offset << " tlvsize: " << tlvsize << std::endl;
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#endif
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}
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return ok;
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}
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RsDiscVersion *RsDiscSerialiser::deserialiseVersion(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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uint32_t offset = 0;
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if ((RS_PKT_VERSION_SERVICE != getRsItemVersion(rstype)) ||
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(RS_SERVICE_TYPE_DISC != getRsItemService(rstype)) ||
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(RS_PKT_SUBTYPE_DISC_VERSION != getRsItemSubType(rstype)))
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{
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#ifdef RSSERIAL_DEBUG
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std::cerr << "RsDiscSerialiser::deserialiseVersion() Wrong Type" << std::endl;
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#endif
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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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{
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#ifdef RSSERIAL_DEBUG
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std::cerr << "RsDiscSerialiser::deserialiseVersion() pktsize != rssize" << std::endl;
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|
std::cerr << "Pktsize: " << *pktsize << " Rssize: " << rssize << std::endl;
|
|
#endif
|
|
return NULL; /* not enough data */
|
|
}
|
|
|
|
/* set the packet length */
|
|
*pktsize = rssize;
|
|
|
|
bool ok = true;
|
|
|
|
/* ready to load */
|
|
RsDiscVersion *item = new RsDiscVersion();
|
|
item->clear();
|
|
|
|
/* skip the header */
|
|
offset += 8;
|
|
|
|
ok &= GetTlvString(data, rssize, &offset, TLV_TYPE_STR_VALUE, item->version);
|
|
|
|
if (offset != rssize)
|
|
{
|
|
#ifdef RSSERIAL_DEBUG
|
|
std::cerr << "RsDiscSerialiser::deserialiseVersion() offset != rssize" << std::endl;
|
|
std::cerr << "Offset: " << offset << " Rssize: " << rssize << std::endl;
|
|
#endif
|
|
/* error */
|
|
delete item;
|
|
return NULL;
|
|
}
|
|
|
|
if (!ok)
|
|
{
|
|
#ifdef RSSERIAL_DEBUG
|
|
std::cerr << "RsDiscSerialiser::deserialiseVersion() ok = false" << std::endl;
|
|
#endif
|
|
delete item;
|
|
return NULL;
|
|
}
|
|
|
|
return item;
|
|
}
|
|
|
|
|
|
/*************************************************************************/
|
|
|
|
|
|
RsDiscHeartbeat::~RsDiscHeartbeat()
|
|
{
|
|
return;
|
|
}
|
|
void RsDiscHeartbeat::clear()
|
|
{
|
|
}
|
|
|
|
std::ostream &RsDiscHeartbeat::print(std::ostream &out, uint16_t indent)
|
|
{
|
|
printRsItemBase(out, "RsDiscHeartbeat", indent);
|
|
printRsItemEnd(out, "RsDiscHeartbeat", indent);
|
|
return out;
|
|
}
|
|
|
|
uint32_t RsDiscSerialiser::sizeHeartbeat(RsDiscHeartbeat *item)
|
|
{
|
|
uint32_t s = 8; /* header */
|
|
|
|
return s;
|
|
}
|
|
|
|
/* serialise the data to the buffer */
|
|
bool RsDiscSerialiser::serialiseHeartbeat(RsDiscHeartbeat *item, void *data, uint32_t *pktsize)
|
|
{
|
|
uint32_t tlvsize = sizeHeartbeat(item);
|
|
uint32_t offset = 0;
|
|
|
|
if (*pktsize < tlvsize)
|
|
return false; /* not enough space */
|
|
|
|
*pktsize = tlvsize;
|
|
|
|
bool ok = true;
|
|
|
|
ok &= setRsItemHeader(data, *pktsize, item->PacketId(), *pktsize);
|
|
|
|
#ifdef RSSERIAL_DEBUG
|
|
std::cerr << "RsDiscSerialiser::serialiseHeartbeat() Header: " << ok << std::endl;
|
|
std::cerr << "RsDiscSerialiser::serialiseHeartbeat() Size: " << tlvsize << std::endl;
|
|
#endif
|
|
|
|
/* skip the header */
|
|
offset += 8;
|
|
|
|
if (offset != tlvsize)
|
|
{
|
|
ok = false;
|
|
#ifdef RSSERIAL_DEBUG
|
|
std::cerr << "RsDiscSerialiser::serialiseHeartbeat() Size Error! " << std::endl;
|
|
std::cerr << "Offset: " << offset << " tlvsize: " << tlvsize << std::endl;
|
|
#endif
|
|
}
|
|
|
|
return ok;
|
|
}
|
|
|
|
RsDiscHeartbeat *RsDiscSerialiser::deserialiseHeartbeat(void *data, uint32_t *pktsize)
|
|
{
|
|
/* 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_TYPE_DISC != getRsItemService(rstype)) ||
|
|
(RS_PKT_SUBTYPE_DISC_HEARTBEAT != getRsItemSubType(rstype)))
|
|
{
|
|
#ifdef RSSERIAL_DEBUG
|
|
std::cerr << "RsDiscSerialiser::deserialiseHeartbeat() Wrong Type" << std::endl;
|
|
#endif
|
|
return NULL; /* wrong type */
|
|
}
|
|
|
|
if (*pktsize < rssize) /* check size */
|
|
{
|
|
#ifdef RSSERIAL_DEBUG
|
|
std::cerr << "RsDiscSerialiser::deserialiseHeartbeat() pktsize != rssize" << std::endl;
|
|
std::cerr << "Pktsize: " << *pktsize << " Rssize: " << rssize << std::endl;
|
|
#endif
|
|
return NULL; /* not enough data */
|
|
}
|
|
|
|
/* set the packet length */
|
|
*pktsize = rssize;
|
|
|
|
bool ok = true;
|
|
|
|
/* ready to load */
|
|
RsDiscHeartbeat *item = new RsDiscHeartbeat();
|
|
item->clear();
|
|
|
|
/* skip the header */
|
|
offset += 8;
|
|
|
|
if (offset != rssize)
|
|
{
|
|
#ifdef RSSERIAL_DEBUG
|
|
std::cerr << "RsDiscSerialiser::deserialiseHeartbeat() offset != rssize" << std::endl;
|
|
std::cerr << "Offset: " << offset << " Rssize: " << rssize << std::endl;
|
|
#endif
|
|
/* error */
|
|
delete item;
|
|
return NULL;
|
|
}
|
|
|
|
if (!ok)
|
|
{
|
|
#ifdef RSSERIAL_DEBUG
|
|
std::cerr << "RsDiscSerialiser::deserialiseHeartbeat() ok = false" << std::endl;
|
|
#endif
|
|
delete item;
|
|
return NULL;
|
|
}
|
|
|
|
return item;
|
|
}
|
|
|
|
|
|
/*************************************************************************/
|