mirror of
https://github.com/RetroShare/RetroShare.git
synced 2024-10-01 02:35:48 -04:00
fdb3673ce2
Redesign the udp connection Remove the rsiface duplicates from retroshare-gui. Add some randomness in timings for connect manager Merge branch 'connectionTunneling' Conflicts: libretroshare/src/libretroshare.pro libretroshare/src/pqi/p3connmgr.cc retroshare-gui/src/RetroShare.pro retroshare-gui/src/rsiface/rsfiles.h retroshare-gui/src/rsiface/rstypes.h git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@1867 b45a01b8-16f6-495d-af2f-9b41ad6348cc
744 lines
16 KiB
C++
744 lines
16 KiB
C++
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/*
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* libretroshare/src/serialiser: rsbaseitems.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/rsbaseitems.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 RsFileItemSerialiser::size(RsItem *i)
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{
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RsFileRequest *rfr;
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RsFileData *rfd;
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if (NULL != (rfr = dynamic_cast<RsFileRequest *>(i)))
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{
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return sizeReq(rfr);
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}
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else if (NULL != (rfd = dynamic_cast<RsFileData *>(i)))
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{
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return sizeData(rfd);
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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 RsFileItemSerialiser::serialise(RsItem *i, void *data, uint32_t *pktsize)
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{
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RsFileRequest *rfr;
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RsFileData *rfd;
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if (NULL != (rfr = dynamic_cast<RsFileRequest *>(i)))
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{
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return serialiseReq(rfr, data, pktsize);
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}
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else if (NULL != (rfd = dynamic_cast<RsFileData *>(i)))
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{
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return serialiseData(rfd, data, pktsize);
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}
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return false;
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}
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RsItem *RsFileItemSerialiser::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_VERSION1 != getRsItemVersion(rstype)) ||
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(RS_PKT_CLASS_BASE != getRsItemClass(rstype)) ||
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(RS_PKT_TYPE_FILE != getRsItemType(rstype)))
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{
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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_FI_REQUEST:
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return deserialiseReq(data, pktsize);
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break;
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case RS_PKT_SUBTYPE_FI_DATA:
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return deserialiseData(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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RsFileRequest::~RsFileRequest()
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{
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return;
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}
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void RsFileRequest::clear()
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{
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file.TlvClear();
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fileoffset = 0;
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chunksize = 0;
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}
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std::ostream &RsFileRequest::print(std::ostream &out, uint16_t indent)
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{
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printRsItemBase(out, "RsFileRequest", indent);
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uint16_t int_Indent = indent + 2;
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printIndent(out, int_Indent);
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out << "FileOffset: " << fileoffset << std::endl;
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out << "ChunkSize: " << chunksize << std::endl;
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file.print(out, int_Indent);
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printRsItemEnd(out, "RsFileRequest", indent);
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return out;
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}
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uint32_t RsFileItemSerialiser::sizeReq(RsFileRequest *item)
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{
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uint32_t s = 8; /* header */
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s += 8; /* offset */
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s += 4; /* chunksize */
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s += item->file.TlvSize();
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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 RsFileItemSerialiser::serialiseReq(RsFileRequest *item, void *data, uint32_t *pktsize)
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{
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uint32_t tlvsize = sizeReq(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 << "RsFileItemSerialiser::serialiseReq() Header: " << ok << std::endl;
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std::cerr << "RsFileItemSerialiser::serialiseReq() 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 &= setRawUInt64(data, tlvsize, &offset, item->fileoffset);
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ok &= setRawUInt32(data, tlvsize, &offset, item->chunksize);
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ok &= item->file.SetTlv(data, tlvsize, &offset);
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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 << "RsFileItemSerialiser::serialiseReq() 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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RsFileRequest *RsFileItemSerialiser::deserialiseReq(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_VERSION1 != getRsItemVersion(rstype)) ||
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(RS_PKT_CLASS_BASE != getRsItemClass(rstype)) ||
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(RS_PKT_TYPE_FILE != getRsItemType(rstype)) ||
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(RS_PKT_SUBTYPE_FI_REQUEST != getRsItemSubType(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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/* 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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RsFileRequest *item = new RsFileRequest();
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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 &= getRawUInt64(data, rssize, &offset, &(item->fileoffset));
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ok &= getRawUInt32(data, rssize, &offset, &(item->chunksize));
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ok &= item->file.GetTlv(data, rssize, &offset);
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if (offset != rssize)
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{
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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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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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RsFileData::~RsFileData()
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{
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return;
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}
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void RsFileData::clear()
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{
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fd.TlvClear();
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}
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std::ostream &RsFileData::print(std::ostream &out, uint16_t indent)
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{
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printRsItemBase(out, "RsFileData", indent);
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uint16_t int_Indent = indent + 2;
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printIndent(out, int_Indent);
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fd.print(out, int_Indent);
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printRsItemEnd(out, "RsFileData", indent);
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return out;
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}
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uint32_t RsFileItemSerialiser::sizeData(RsFileData *item)
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{
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uint32_t s = 8; /* header */
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s += item->fd.TlvSize();
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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 RsFileItemSerialiser::serialiseData(RsFileData *item, void *data, uint32_t *pktsize)
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{
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uint32_t tlvsize = sizeData(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 << "RsFileItemSerialiser::serialiseData() Header: " << ok << 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 &= item->fd.SetTlv(data, tlvsize, &offset);
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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 << "RsFileItemSerialiser::serialiseData() 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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RsFileData *RsFileItemSerialiser::deserialiseData(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_VERSION1 != getRsItemVersion(rstype)) ||
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(RS_PKT_CLASS_BASE != getRsItemClass(rstype)) ||
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(RS_PKT_TYPE_FILE != getRsItemType(rstype)) ||
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(RS_PKT_SUBTYPE_FI_DATA != getRsItemSubType(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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/* 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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RsFileData *item = new RsFileData();
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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 &= item->fd.GetTlv(data, rssize, &offset);
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if (offset != rssize)
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{
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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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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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uint32_t RsCacheItemSerialiser::size(RsItem *i)
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{
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RsCacheRequest *rfr;
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RsCacheItem *rfi;
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if (NULL != (rfr = dynamic_cast<RsCacheRequest *>(i)))
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{
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return sizeReq(rfr);
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}
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else if (NULL != (rfi = dynamic_cast<RsCacheItem *>(i)))
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{
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return sizeItem(rfi);
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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 RsCacheItemSerialiser::serialise(RsItem *i, void *data, uint32_t *pktsize)
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{
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RsCacheRequest *rfr;
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RsCacheItem *rfi;
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if (NULL != (rfr = dynamic_cast<RsCacheRequest *>(i)))
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{
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return serialiseReq(rfr, data, pktsize);
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}
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else if (NULL != (rfi = dynamic_cast<RsCacheItem *>(i)))
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{
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return serialiseItem(rfi, data, pktsize);
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}
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return false;
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}
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RsItem *RsCacheItemSerialiser::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_VERSION1 != getRsItemVersion(rstype)) ||
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(RS_PKT_CLASS_BASE != getRsItemClass(rstype)) ||
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(RS_PKT_TYPE_CACHE != getRsItemType(rstype)))
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{
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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_CACHE_REQUEST:
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return deserialiseReq(data, pktsize);
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break;
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case RS_PKT_SUBTYPE_CACHE_ITEM:
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return deserialiseItem(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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RsCacheRequest::~RsCacheRequest()
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{
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return;
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}
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void RsCacheRequest::clear()
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{
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cacheType = 0;
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cacheSubId = 0;
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file.TlvClear();
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}
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std::ostream &RsCacheRequest::print(std::ostream &out, uint16_t indent)
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{
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printRsItemBase(out, "RsCacheRequest", indent);
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uint16_t int_Indent = indent + 2;
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printIndent(out, int_Indent);
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out << "CacheId: " << cacheType << "/" << cacheSubId << std::endl;
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file.print(out, int_Indent);
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printRsItemEnd(out, "RsCacheRequest", indent);
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return out;
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}
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uint32_t RsCacheItemSerialiser::sizeReq(RsCacheRequest *item)
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{
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uint32_t s = 8; /* header */
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s += 4; /* type/subid */
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s += item->file.TlvSize();
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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 RsCacheItemSerialiser::serialiseReq(RsCacheRequest *item, void *data, uint32_t *pktsize)
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{
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uint32_t tlvsize = sizeReq(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 << "RsCacheItemSerialiser::serialiseReq() Header: " << ok << 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 &= setRawUInt16(data, tlvsize, &offset, item->cacheType);
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ok &= setRawUInt16(data, tlvsize, &offset, item->cacheSubId);
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ok &= item->file.SetTlv(data, tlvsize, &offset);
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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 << "RsFileItemSerialiser::serialiseReq() 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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RsCacheRequest *RsCacheItemSerialiser::deserialiseReq(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_VERSION1 != getRsItemVersion(rstype)) ||
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(RS_PKT_CLASS_BASE != getRsItemClass(rstype)) ||
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(RS_PKT_TYPE_CACHE != getRsItemType(rstype)) ||
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(RS_PKT_SUBTYPE_CACHE_REQUEST != getRsItemSubType(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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/* 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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RsCacheRequest *item = new RsCacheRequest();
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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 &= getRawUInt16(data, rssize, &offset, &(item->cacheType));
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ok &= getRawUInt16(data, rssize, &offset, &(item->cacheSubId));
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ok &= item->file.GetTlv(data, rssize, &offset);
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if (offset != rssize)
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{
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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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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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RsCacheItem::~RsCacheItem()
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{
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return;
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}
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void RsCacheItem::clear()
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{
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cacheType = 0;
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cacheSubId = 0;
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file.TlvClear();
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}
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std::ostream &RsCacheItem::print(std::ostream &out, uint16_t indent)
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{
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printRsItemBase(out, "RsCacheItem", indent);
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uint16_t int_Indent = indent + 2;
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printIndent(out, int_Indent);
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out << "CacheId: " << cacheType << "/" << cacheSubId << std::endl;
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file.print(out, int_Indent);
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printRsItemEnd(out, "RsCacheItem", indent);
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return out;
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}
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uint32_t RsCacheItemSerialiser::sizeItem(RsCacheItem *item)
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{
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uint32_t s = 8; /* header */
|
|
s += 4; /* type/subid */
|
|
s += item->file.TlvSize();
|
|
|
|
return s;
|
|
}
|
|
|
|
/* serialise the data to the buffer */
|
|
bool RsCacheItemSerialiser::serialiseItem(RsCacheItem *item, void *data, uint32_t *pktsize)
|
|
{
|
|
uint32_t tlvsize = sizeItem(item);
|
|
uint32_t offset = 0;
|
|
|
|
if (*pktsize < tlvsize)
|
|
return false; /* not enough space */
|
|
|
|
*pktsize = tlvsize;
|
|
|
|
bool ok = true;
|
|
|
|
ok &= setRsItemHeader(data, tlvsize, item->PacketId(), tlvsize);
|
|
|
|
#ifdef RSSERIAL_DEBUG
|
|
std::cerr << "RsCacheItemSerialiser::serialiseItem() Header: " << ok << std::endl;
|
|
#endif
|
|
|
|
/* skip the header */
|
|
offset += 8;
|
|
|
|
/* add mandatory parts first */
|
|
ok &= setRawUInt16(data, tlvsize, &offset, item->cacheType);
|
|
ok &= setRawUInt16(data, tlvsize, &offset, item->cacheSubId);
|
|
ok &= item->file.SetTlv(data, tlvsize, &offset);
|
|
|
|
if (offset != tlvsize)
|
|
{
|
|
ok = false;
|
|
#ifdef RSSERIAL_DEBUG
|
|
std::cerr << "RsFileItemSerialiser::serialiseItem() Size Error! " << std::endl;
|
|
#endif
|
|
}
|
|
|
|
return ok;
|
|
}
|
|
|
|
RsCacheItem *RsCacheItemSerialiser::deserialiseItem(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_VERSION1 != getRsItemVersion(rstype)) ||
|
|
(RS_PKT_CLASS_BASE != getRsItemClass(rstype)) ||
|
|
(RS_PKT_TYPE_CACHE != getRsItemType(rstype)) ||
|
|
(RS_PKT_SUBTYPE_CACHE_ITEM != getRsItemSubType(rstype)))
|
|
{
|
|
return NULL; /* wrong type */
|
|
}
|
|
|
|
if (*pktsize < rssize) /* check size */
|
|
return NULL; /* not enough data */
|
|
|
|
/* set the packet length */
|
|
*pktsize = rssize;
|
|
|
|
bool ok = true;
|
|
|
|
/* ready to load */
|
|
RsCacheItem *item = new RsCacheItem();
|
|
item->clear();
|
|
|
|
/* skip the header */
|
|
offset += 8;
|
|
|
|
/* get mandatory parts first */
|
|
ok &= getRawUInt16(data, rssize, &offset, &(item->cacheType));
|
|
ok &= getRawUInt16(data, rssize, &offset, &(item->cacheSubId));
|
|
ok &= item->file.GetTlv(data, rssize, &offset);
|
|
|
|
if (offset != rssize)
|
|
{
|
|
/* error */
|
|
delete item;
|
|
return NULL;
|
|
}
|
|
|
|
if (!ok)
|
|
{
|
|
delete item;
|
|
return NULL;
|
|
}
|
|
|
|
return item;
|
|
}
|
|
|
|
|
|
/*************************************************************************/
|
|
/*************************************************************************/
|
|
|
|
uint32_t RsServiceSerialiser::size(RsItem *i)
|
|
{
|
|
RsRawItem *item = dynamic_cast<RsRawItem *>(i);
|
|
|
|
if (item)
|
|
{
|
|
return item->getRawLength();
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* serialise the data to the buffer */
|
|
bool RsServiceSerialiser::serialise(RsItem *i, void *data, uint32_t *pktsize)
|
|
{
|
|
RsRawItem *item = dynamic_cast<RsRawItem *>(i);
|
|
if (!item)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
#ifdef RSSERIAL_DEBUG
|
|
std::cerr << "RsServiceSerialiser::serialise() serializing raw item. pktsize : " << *pktsize;
|
|
#endif
|
|
|
|
uint32_t tlvsize = item->getRawLength();
|
|
#ifdef RSSERIAL_DEBUG
|
|
std::cerr << "tlvsize : " << tlvsize << std::endl;
|
|
#endif
|
|
uint32_t offset = 0;
|
|
|
|
if (*pktsize < tlvsize)
|
|
return false; /* not enough space */
|
|
|
|
if (tlvsize > getRsPktMaxSize())
|
|
return false; /* packet too big */
|
|
|
|
*pktsize = tlvsize;
|
|
|
|
/* its serialised already!!! */
|
|
memcpy(data, item->getRawData(), tlvsize);
|
|
|
|
return true;
|
|
}
|
|
|
|
RsItem *RsServiceSerialiser::deserialise(void *data, uint32_t *pktsize)
|
|
{
|
|
/* get the type and size */
|
|
uint32_t rstype = getRsItemId(data);
|
|
uint32_t rssize = getRsItemSize(data);
|
|
|
|
if (RS_PKT_VERSION_SERVICE != getRsItemVersion(rstype))
|
|
{
|
|
return NULL; /* wrong type */
|
|
}
|
|
|
|
if (*pktsize < rssize) /* check size */
|
|
return NULL; /* not enough data */
|
|
|
|
if (rssize > getRsPktMaxSize())
|
|
return NULL; /* packet too big */
|
|
|
|
/* set the packet length */
|
|
*pktsize = rssize;
|
|
|
|
RsRawItem *item = new RsRawItem(rstype, rssize);
|
|
void *item_data = item->getRawData();
|
|
|
|
memcpy(item_data, data, rssize);
|
|
|
|
return item;
|
|
}
|
|
|
|
|