RetroShare/libretroshare/src/serialiser/rsbaseitems.cc
csoler 1069ed0c58 - corrected 1 bug in serialisation of CRC32Maps for peer transfer
- corrected 1 bug (missing hashing thread deletion on failure)


git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@3321 b45a01b8-16f6-495d-af2f-9b41ad6348cc
2010-07-30 21:01:51 +00:00

1243 lines
29 KiB
C++

/*
* libretroshare/src/serialiser: rsbaseitems.cc
*
* RetroShare Serialiser.
*
* Copyright 2007-2008 by Robert Fernie.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License Version 2 as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA.
*
* Please report all bugs and problems to "retroshare@lunamutt.com".
*
*/
#include "serialiser/rsbaseserial.h"
#include "serialiser/rsbaseitems.h"
#include "serialiser/rstlvbase.h"
/***
#define RSSERIAL_DEBUG 1
***/
#include <iostream>
/*************************************************************************/
uint32_t RsFileItemSerialiser::size(RsItem *i)
{
RsFileRequest *rfr;
RsFileData *rfd;
RsFileChunkMapRequest *rfcmr;
RsFileChunkMap *rfcm;
RsFileCRC32MapRequest *rfcrcr;
RsFileCRC32Map *rfcrc;
if (NULL != (rfr = dynamic_cast<RsFileRequest *>(i)))
{
return sizeReq(rfr);
}
else if (NULL != (rfd = dynamic_cast<RsFileData *>(i)))
{
return sizeData(rfd);
}
else if (NULL != (rfcmr = dynamic_cast<RsFileChunkMapRequest *>(i)))
{
return sizeChunkMapReq(rfcmr);
}
else if (NULL != (rfcm = dynamic_cast<RsFileChunkMap *>(i)))
{
return sizeChunkMap(rfcm);
}
else if (NULL != (rfcrcr = dynamic_cast<RsFileCRC32MapRequest *>(i)))
{
return sizeCRC32MapReq(rfcrcr);
}
else if (NULL != (rfcrc = dynamic_cast<RsFileCRC32Map *>(i)))
{
return sizeCRC32Map(rfcrc);
}
return 0;
}
/* serialise the data to the buffer */
bool RsFileItemSerialiser::serialise(RsItem *i, void *data, uint32_t *pktsize)
{
RsFileRequest *rfr;
RsFileData *rfd;
RsFileChunkMapRequest *rfcmr;
RsFileChunkMap *rfcm;
RsFileCRC32MapRequest *rfcrcr;
RsFileCRC32Map *rfcrc;
if (NULL != (rfr = dynamic_cast<RsFileRequest *>(i)))
{
return serialiseReq(rfr, data, pktsize);
}
else if (NULL != (rfd = dynamic_cast<RsFileData *>(i)))
{
return serialiseData(rfd, data, pktsize);
}
else if (NULL != (rfcmr = dynamic_cast<RsFileChunkMapRequest *>(i)))
{
return serialiseChunkMapReq(rfcmr,data,pktsize);
}
else if (NULL != (rfcm = dynamic_cast<RsFileChunkMap *>(i)))
{
return serialiseChunkMap(rfcm,data,pktsize);
}
else if (NULL != (rfcrcr = dynamic_cast<RsFileCRC32MapRequest *>(i)))
{
return serialiseCRC32MapReq(rfcrcr,data,pktsize);
}
else if (NULL != (rfcrc = dynamic_cast<RsFileCRC32Map *>(i)))
{
return serialiseCRC32Map(rfcrc,data,pktsize);
}
return false;
}
RsItem *RsFileItemSerialiser::deserialise(void *data, uint32_t *pktsize)
{
/* get the type and size */
uint32_t rstype = getRsItemId(data);
if ((RS_PKT_VERSION1 != getRsItemVersion(rstype)) ||
(RS_PKT_CLASS_BASE != getRsItemClass(rstype)) ||
(RS_PKT_TYPE_FILE != getRsItemType(rstype)))
{
return NULL; /* wrong type */
}
switch(getRsItemSubType(rstype))
{
case RS_PKT_SUBTYPE_FI_REQUEST:
return deserialiseReq(data, pktsize);
break;
case RS_PKT_SUBTYPE_FI_DATA:
return deserialiseData(data, pktsize);
break;
case RS_PKT_SUBTYPE_FI_CHUNK_MAP_REQUEST:
return deserialiseChunkMapReq(data, pktsize);
break;
case RS_PKT_SUBTYPE_FI_CHUNK_MAP:
return deserialiseChunkMap(data, pktsize);
break;
case RS_PKT_SUBTYPE_FI_CRC32_MAP_REQUEST:
return deserialiseCRC32MapReq(data, pktsize);
break;
case RS_PKT_SUBTYPE_FI_CRC32_MAP:
return deserialiseCRC32Map(data, pktsize);
break;
default:
return NULL;
break;
}
return NULL;
}
/*************************************************************************/
RsFileRequest::~RsFileRequest()
{
return;
}
void RsFileRequest::clear()
{
file.TlvClear();
fileoffset = 0;
chunksize = 0;
}
std::ostream &RsFileRequest::print(std::ostream &out, uint16_t indent)
{
printRsItemBase(out, "RsFileRequest", indent);
uint16_t int_Indent = indent + 2;
printIndent(out, int_Indent);
out << "FileOffset: " << fileoffset << std::endl;
out << "ChunkSize: " << chunksize << std::endl;
file.print(out, int_Indent);
printRsItemEnd(out, "RsFileRequest", indent);
return out;
}
uint32_t RsFileItemSerialiser::sizeReq(RsFileRequest *item)
{
uint32_t s = 8; /* header */
s += 8; /* offset */
s += 4; /* chunksize */
s += item->file.TlvSize();
return s;
}
/* serialise the data to the buffer */
bool RsFileItemSerialiser::serialiseReq(RsFileRequest *item, void *data, uint32_t *pktsize)
{
uint32_t tlvsize = sizeReq(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 << "RsFileItemSerialiser::serialiseReq() Header: " << ok << std::endl;
std::cerr << "RsFileItemSerialiser::serialiseReq() Size: " << tlvsize << std::endl;
#endif
/* skip the header */
offset += 8;
/* add mandatory parts first */
ok &= setRawUInt64(data, tlvsize, &offset, item->fileoffset);
ok &= setRawUInt32(data, tlvsize, &offset, item->chunksize);
ok &= item->file.SetTlv(data, tlvsize, &offset);
if (offset != tlvsize)
{
ok = false;
#ifdef RSSERIAL_DEBUG
std::cerr << "RsFileItemSerialiser::serialiseReq() Size Error! " << std::endl;
#endif
}
return ok;
}
RsFileRequest *RsFileItemSerialiser::deserialiseReq(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_FILE != getRsItemType(rstype)) ||
(RS_PKT_SUBTYPE_FI_REQUEST != 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 */
RsFileRequest *item = new RsFileRequest();
item->clear();
/* skip the header */
offset += 8;
/* get mandatory parts first */
ok &= getRawUInt64(data, rssize, &offset, &(item->fileoffset));
ok &= getRawUInt32(data, rssize, &offset, &(item->chunksize));
ok &= item->file.GetTlv(data, rssize, &offset);
if (offset != rssize)
{
/* error */
delete item;
return NULL;
}
if (!ok)
{
delete item;
return NULL;
}
return item;
}
/*************************************************************************/
RsFileData::~RsFileData()
{
return;
}
void RsFileData::clear()
{
fd.TlvClear();
}
std::ostream &RsFileChunkMap::print(std::ostream &out, uint16_t indent)
{
printRsItemBase(out, "RsFileChunkMap", indent);
uint16_t int_Indent = indent + 2;
printIndent(out, int_Indent); out << "PeerId: " << PeerId() << std::endl ;
printIndent(out, int_Indent); out << " hash: " << hash << std::endl ;
printIndent(out, int_Indent); out << "chunks: " << (void*)(compressed_map._map[0]) << "..." << std::endl ;
printRsItemEnd(out, "RsFileChunkMap", indent);
return out;
}
std::ostream &RsFileChunkMapRequest::print(std::ostream &out, uint16_t indent)
{
printRsItemBase(out, "RsFileChunkMapRequest", indent);
uint16_t int_Indent = indent + 2;
printIndent(out, int_Indent); out << "PeerId: " << PeerId() << std::endl ;
printIndent(out, int_Indent); out << " hash: " << hash << std::endl ;
printRsItemEnd(out, "RsFileChunkMapRequest", indent);
return out;
}
std::ostream& RsFileCRC32Map::print(std::ostream &out, uint16_t indent)
{
printRsItemBase(out, "RsFileCRC32Map", indent);
uint16_t int_Indent = indent + 2;
printIndent(out, int_Indent); out << "PeerId: " << PeerId() << std::endl ;
printIndent(out, int_Indent); out << " hash: " << hash << std::endl ;
printIndent(out, int_Indent); out << "chunks: " << (void*)(crc_map._ccmap._map[0]) << "..." << std::endl ;
printRsItemEnd(out, "RsFileCRC32Map", indent);
return out;
}
std::ostream& RsFileCRC32MapRequest::print(std::ostream &out, uint16_t indent)
{
printRsItemBase(out, "RsFileCRC32MapRequest", indent);
uint16_t int_Indent = indent + 2;
printIndent(out, int_Indent); out << "PeerId: " << PeerId() << std::endl ;
printIndent(out, int_Indent); out << " hash: " << hash << std::endl ;
printRsItemEnd(out, "RsFileCRC32MapRequest", indent);
return out;
}
std::ostream &RsFileData::print(std::ostream &out, uint16_t indent)
{
printRsItemBase(out, "RsFileData", indent);
uint16_t int_Indent = indent + 2;
printIndent(out, int_Indent);
fd.print(out, int_Indent);
printRsItemEnd(out, "RsFileData", indent);
return out;
}
uint32_t RsFileItemSerialiser::sizeData(RsFileData *item)
{
uint32_t s = 8; /* header */
s += item->fd.TlvSize();
return s;
}
/* serialise the data to the buffer */
bool RsFileItemSerialiser::serialiseData(RsFileData *item, void *data, uint32_t *pktsize)
{
uint32_t tlvsize = sizeData(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 << "RsFileItemSerialiser::serialiseData() Header: " << ok << std::endl;
#endif
/* skip the header */
offset += 8;
/* add mandatory parts first */
ok &= item->fd.SetTlv(data, tlvsize, &offset);
if (offset != tlvsize)
{
ok = false;
#ifdef RSSERIAL_DEBUG
std::cerr << "RsFileItemSerialiser::serialiseData() Size Error! " << std::endl;
#endif
}
return ok;
}
RsFileData *RsFileItemSerialiser::deserialiseData(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_FILE != getRsItemType(rstype)) ||
(RS_PKT_SUBTYPE_FI_DATA != 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 */
RsFileData *item = new RsFileData();
item->clear();
/* skip the header */
offset += 8;
/* get mandatory parts first */
ok &= item->fd.GetTlv(data, rssize, &offset);
if (offset != rssize)
{
/* error */
delete item;
return NULL;
}
if (!ok)
{
delete item;
return NULL;
}
return item;
}
uint32_t RsFileItemSerialiser::sizeChunkMapReq(RsFileChunkMapRequest *item)
{
uint32_t s = 8; /* header */
s += 1 ; // is_client
s += GetTlvStringSize(item->hash) ; // hash
return s;
}
uint32_t RsFileItemSerialiser::sizeChunkMap(RsFileChunkMap *item)
{
uint32_t s = 8; /* header */
s += 1 ; // is_client
s += GetTlvStringSize(item->hash) ; // hash
s += 4 ; // compressed map size
s += 4 * item->compressed_map._map.size() ; // compressed chunk map
return s;
}
uint32_t RsFileItemSerialiser::sizeCRC32MapReq(RsFileCRC32MapRequest *item)
{
uint32_t s = 8; /* header */
s += GetTlvStringSize(item->hash) ; // hash
return s;
}
uint32_t RsFileItemSerialiser::sizeCRC32Map(RsFileCRC32Map *item)
{
uint32_t s = 8; /* header */
s += GetTlvStringSize(item->hash) ; // hash
s += 4 ; // crc32 map size
s += 4 * item->crc_map._ccmap._map.size() ; // compressed chunk map
s += 4 ; // crc32 map size
s += 4 * item->crc_map._crcs.size() ; // compressed chunk map
return s;
}
/* serialise the data to the buffer */
bool RsFileItemSerialiser::serialiseCRC32MapReq(RsFileCRC32MapRequest *item, void *data, uint32_t *pktsize)
{
uint32_t tlvsize = sizeCRC32MapReq(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 << "RsFileItemSerialiser::serialiseData() Header: " << ok << std::endl;
#endif
/* skip the header */
offset += 8;
/* add mandatory parts first */
ok &= SetTlvString(data, tlvsize, &offset, TLV_TYPE_STR_VALUE, item->hash);
if (offset != tlvsize)
{
ok = false;
#ifdef RSSERIAL_DEBUG
std::cerr << "RsFileItemSerialiser::serialiseData() Size Error! " << std::endl;
#endif
}
return ok;
}
bool RsFileItemSerialiser::serialiseCRC32Map(RsFileCRC32Map *item, void *data, uint32_t *pktsize)
{
uint32_t tlvsize = sizeCRC32Map(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 << "RsFileItemSerialiser::serialiseData() Header: " << ok << std::endl;
#endif
/* skip the header */
offset += 8;
/* add mandatory parts first */
ok &= SetTlvString(data, tlvsize, &offset, TLV_TYPE_STR_VALUE, item->hash);
ok &= setRawUInt32(data, tlvsize, &offset, item->crc_map._ccmap._map.size());
for(uint32_t i=0;i<item->crc_map._ccmap._map.size();++i)
ok &= setRawUInt32(data, tlvsize, &offset, item->crc_map._ccmap._map[i]);
ok &= setRawUInt32(data, tlvsize, &offset, item->crc_map._crcs.size());
for(uint32_t i=0;i<item->crc_map._crcs.size();++i)
ok &= setRawUInt32(data, tlvsize, &offset, item->crc_map._crcs[i]);
if (offset != tlvsize)
{
ok = false;
#ifdef RSSERIAL_DEBUG
std::cerr << "RsFileItemSerialiser::serialiseData() Size Error! " << std::endl;
#endif
}
return ok;
}
RsFileCRC32MapRequest *RsFileItemSerialiser::deserialiseCRC32MapReq(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_FILE != getRsItemType(rstype)) ||
(RS_PKT_SUBTYPE_FI_CRC32_MAP_REQUEST != 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 */
RsFileCRC32MapRequest *item = new RsFileCRC32MapRequest();
item->clear();
/* skip the header */
offset += 8;
ok &= GetTlvString(data, *pktsize, &offset, TLV_TYPE_STR_VALUE, item->hash); // file hash
if (offset != rssize)
{
/* error */
delete item;
return NULL;
}
if (!ok)
{
delete item;
return NULL;
}
return item;
}
RsFileCRC32Map *RsFileItemSerialiser::deserialiseCRC32Map(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_FILE != getRsItemType(rstype)) ||
(RS_PKT_SUBTYPE_FI_CRC32_MAP != 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 */
RsFileCRC32Map *item = new RsFileCRC32Map();
item->clear();
/* skip the header */
offset += 8;
ok &= GetTlvString(data, *pktsize, &offset, TLV_TYPE_STR_VALUE, item->hash); // file hash
uint32_t size =0;
ok &= getRawUInt32(data, *pktsize, &offset, &size);
if(ok)
{
item->crc_map._ccmap._map.resize(size) ;
for(uint32_t i=0;i<size && ok;++i)
ok &= getRawUInt32(data, *pktsize, &offset, &(item->crc_map._ccmap._map[i]));
}
uint32_t size2 =0;
ok &= getRawUInt32(data, *pktsize, &offset, &size2);
if(ok)
{
item->crc_map._crcs.resize(size2) ;
for(uint32_t i=0;i<size2 && ok;++i)
ok &= getRawUInt32(data, *pktsize, &offset, &(item->crc_map._crcs[i]));
}
if (offset != rssize)
{
/* error */
delete item;
return NULL;
}
if (!ok)
{
delete item;
return NULL;
}
return item;
}
/* serialise the data to the buffer */
bool RsFileItemSerialiser::serialiseChunkMapReq(RsFileChunkMapRequest *item, void *data, uint32_t *pktsize)
{
uint32_t tlvsize = sizeChunkMapReq(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 << "RsFileItemSerialiser::serialiseData() Header: " << ok << std::endl;
#endif
/* skip the header */
offset += 8;
/* add mandatory parts first */
ok &= setRawUInt8(data, tlvsize, &offset, item->is_client);
ok &= SetTlvString(data, tlvsize, &offset, TLV_TYPE_STR_VALUE, item->hash);
if (offset != tlvsize)
{
ok = false;
#ifdef RSSERIAL_DEBUG
std::cerr << "RsFileItemSerialiser::serialiseData() Size Error! " << std::endl;
#endif
}
return ok;
}
bool RsFileItemSerialiser::serialiseChunkMap(RsFileChunkMap *item, void *data, uint32_t *pktsize)
{
uint32_t tlvsize = sizeChunkMap(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 << "RsFileItemSerialiser::serialiseData() Header: " << ok << std::endl;
#endif
/* skip the header */
offset += 8;
/* add mandatory parts first */
ok &= setRawUInt8(data, tlvsize, &offset, item->is_client);
ok &= SetTlvString(data, tlvsize, &offset, TLV_TYPE_STR_VALUE, item->hash);
ok &= setRawUInt32(data, tlvsize, &offset, item->compressed_map._map.size());
for(uint32_t i=0;i<item->compressed_map._map.size();++i)
ok &= setRawUInt32(data, tlvsize, &offset, item->compressed_map._map[i]);
if (offset != tlvsize)
{
ok = false;
#ifdef RSSERIAL_DEBUG
std::cerr << "RsFileItemSerialiser::serialiseData() Size Error! " << std::endl;
#endif
}
return ok;
}
RsFileChunkMapRequest *RsFileItemSerialiser::deserialiseChunkMapReq(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_FILE != getRsItemType(rstype)) ||
(RS_PKT_SUBTYPE_FI_CHUNK_MAP_REQUEST != 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 */
RsFileChunkMapRequest *item = new RsFileChunkMapRequest();
item->clear();
/* skip the header */
offset += 8;
uint8_t tmp ;
ok &= getRawUInt8(data, *pktsize, &offset, &tmp); item->is_client = tmp;
ok &= GetTlvString(data, *pktsize, &offset, TLV_TYPE_STR_VALUE, item->hash); // file hash
if (offset != rssize)
{
/* error */
delete item;
return NULL;
}
if (!ok)
{
delete item;
return NULL;
}
return item;
}
RsFileChunkMap *RsFileItemSerialiser::deserialiseChunkMap(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_FILE != getRsItemType(rstype)) ||
(RS_PKT_SUBTYPE_FI_CHUNK_MAP != 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 */
RsFileChunkMap *item = new RsFileChunkMap();
item->clear();
/* skip the header */
offset += 8;
uint8_t tmp ;
ok &= getRawUInt8(data, *pktsize, &offset, &tmp); item->is_client = tmp;
ok &= GetTlvString(data, *pktsize, &offset, TLV_TYPE_STR_VALUE, item->hash); // file hash
uint32_t size =0;
ok &= getRawUInt32(data, *pktsize, &offset, &size);
if(ok)
{
item->compressed_map._map.resize(size) ;
for(uint32_t i=0;i<size && ok;++i)
ok &= getRawUInt32(data, *pktsize, &offset, &(item->compressed_map._map[i]));
}
if (offset != rssize)
{
/* error */
delete item;
return NULL;
}
if (!ok)
{
delete item;
return NULL;
}
return item;
}
/*************************************************************************/
/*************************************************************************/
uint32_t RsCacheItemSerialiser::size(RsItem *i)
{
RsCacheRequest *rfr;
RsCacheItem *rfi;
if (NULL != (rfr = dynamic_cast<RsCacheRequest *>(i)))
{
return sizeReq(rfr);
}
else if (NULL != (rfi = dynamic_cast<RsCacheItem *>(i)))
{
return sizeItem(rfi);
}
return 0;
}
/* serialise the data to the buffer */
bool RsCacheItemSerialiser::serialise(RsItem *i, void *data, uint32_t *pktsize)
{
RsCacheRequest *rfr;
RsCacheItem *rfi;
if (NULL != (rfr = dynamic_cast<RsCacheRequest *>(i)))
{
return serialiseReq(rfr, data, pktsize);
}
else if (NULL != (rfi = dynamic_cast<RsCacheItem *>(i)))
{
return serialiseItem(rfi, data, pktsize);
}
return false;
}
RsItem *RsCacheItemSerialiser::deserialise(void *data, uint32_t *pktsize)
{
/* get the type and size */
uint32_t rstype = getRsItemId(data);
if ((RS_PKT_VERSION1 != getRsItemVersion(rstype)) ||
(RS_PKT_CLASS_BASE != getRsItemClass(rstype)) ||
(RS_PKT_TYPE_CACHE != getRsItemType(rstype)))
{
return NULL; /* wrong type */
}
switch(getRsItemSubType(rstype))
{
case RS_PKT_SUBTYPE_CACHE_REQUEST:
return deserialiseReq(data, pktsize);
break;
case RS_PKT_SUBTYPE_CACHE_ITEM:
return deserialiseItem(data, pktsize);
break;
default:
return NULL;
break;
}
return NULL;
}
/*************************************************************************/
RsCacheRequest::~RsCacheRequest()
{
return;
}
void RsCacheRequest::clear()
{
cacheType = 0;
cacheSubId = 0;
file.TlvClear();
}
std::ostream &RsCacheRequest::print(std::ostream &out, uint16_t indent)
{
printRsItemBase(out, "RsCacheRequest", indent);
uint16_t int_Indent = indent + 2;
printIndent(out, int_Indent);
out << "CacheId: " << cacheType << "/" << cacheSubId << std::endl;
file.print(out, int_Indent);
printRsItemEnd(out, "RsCacheRequest", indent);
return out;
}
uint32_t RsCacheItemSerialiser::sizeReq(RsCacheRequest *item)
{
uint32_t s = 8; /* header */
s += 4; /* type/subid */
s += item->file.TlvSize();
return s;
}
/* serialise the data to the buffer */
bool RsCacheItemSerialiser::serialiseReq(RsCacheRequest *item, void *data, uint32_t *pktsize)
{
uint32_t tlvsize = sizeReq(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::serialiseReq() 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::serialiseReq() Size Error! " << std::endl;
#endif
}
return ok;
}
RsCacheRequest *RsCacheItemSerialiser::deserialiseReq(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_REQUEST != 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 */
RsCacheRequest *item = new RsCacheRequest();
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;
}
/*************************************************************************/
RsCacheItem::~RsCacheItem()
{
return;
}
void RsCacheItem::clear()
{
cacheType = 0;
cacheSubId = 0;
file.TlvClear();
}
std::ostream &RsCacheItem::print(std::ostream &out, uint16_t indent)
{
printRsItemBase(out, "RsCacheItem", indent);
uint16_t int_Indent = indent + 2;
printIndent(out, int_Indent);
out << "CacheId: " << cacheType << "/" << cacheSubId << std::endl;
file.print(out, int_Indent);
printRsItemEnd(out, "RsCacheItem", indent);
return out;
}
uint32_t RsCacheItemSerialiser::sizeItem(RsCacheItem *item)
{
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
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;
}