RetroShare/libretroshare/src/serialization/rsserializer.cc
2017-04-24 22:36:03 +02:00

117 lines
3.5 KiB
C++

#include <typeinfo>
#include "util/rsprint.h"
#include "serialization/rsserializer.h"
#include "serialization/rstypeserializer.h"
const SerializationFlags RsGenericSerializer::SERIALIZATION_FLAG_NONE ( 0x0000 );
const SerializationFlags RsGenericSerializer::SERIALIZATION_FLAG_CONFIG ( 0x0001 );
const SerializationFlags RsGenericSerializer::SERIALIZATION_FLAG_SIGNATURE ( 0x0002 );
RsItem *RsServiceSerializer::deserialise(void *data, uint32_t *size)
{
uint32_t rstype = getRsItemId(const_cast<void*>((const void*)data)) ;
RsItem *item = create_item(getRsItemService(rstype),getRsItemSubType(rstype)) ;
if(!item)
{
std::cerr << "(EE) " << typeid(*this).name() << ": cannot deserialise unknown item subtype " << std::hex << getRsItemSubType(rstype) << std::dec << std::endl;
std::cerr << "(EE) Data is: " << RsUtil::BinToHex(static_cast<uint8_t*>(data),std::min(50u,*size)) << ((*size>50)?"...":"") << std::endl;
return NULL ;
}
SerializeContext ctx(const_cast<uint8_t*>(static_cast<uint8_t*>(data)),*size,mFormat,mFlags);
ctx.mOffset = 8 ;
item->serial_process(RsItem::DESERIALIZE, ctx) ;
if(ctx.mSize != ctx.mOffset)
{
std::cerr << "RsSerializer::deserialise(): ERROR. offset does not match expected size!" << std::endl;
delete item ;
return NULL ;
}
if(ctx.mOk)
return item ;
delete item ;
return NULL ;
}
RsItem *RsConfigSerializer::deserialise(void *data, uint32_t *size)
{
uint32_t rstype = getRsItemId(const_cast<void*>((const void*)data)) ;
RsItem *item = create_item(getRsItemType(rstype),getRsItemSubType(rstype)) ;
if(!item)
{
std::cerr << "(EE) " << typeid(*this).name() << ": cannot deserialise unknown item subtype " << std::hex << getRsItemSubType(rstype) << std::dec << std::endl;
std::cerr << "(EE) Data is: " << RsUtil::BinToHex(static_cast<uint8_t*>(data),std::min(50u,*size)) << ((*size>50)?"...":"") << std::endl;
return NULL ;
}
SerializeContext ctx(const_cast<uint8_t*>(static_cast<uint8_t*>(data)),*size,mFormat,mFlags);
ctx.mOffset = 8 ;
item->serial_process(RsItem::DESERIALIZE, ctx) ;
if(ctx.mSize != ctx.mOffset)
{
std::cerr << "RsSerializer::deserialise(): ERROR. offset does not match expected size!" << std::endl;
delete item ;
return NULL ;
}
if(ctx.mOk)
return item ;
delete item ;
return NULL ;
}
bool RsGenericSerializer::serialise(RsItem *item,void *data,uint32_t *size)
{
SerializeContext ctx(static_cast<uint8_t*>(data),0,mFormat,mFlags);
uint32_t tlvsize = this->size(item) ;
if(tlvsize > *size)
throw std::runtime_error("Cannot serialise: not enough room.") ;
if(!setRsItemHeader(data, tlvsize, item->PacketId(), tlvsize))
{
std::cerr << "RsSerializer::serialise_item(): ERROR. Not enough size!" << std::endl;
return false ;
}
ctx.mOffset = 8;
ctx.mSize = tlvsize;
item->serial_process(RsItem::SERIALIZE,ctx) ;
if(ctx.mSize != ctx.mOffset)
{
std::cerr << "RsSerializer::serialise(): ERROR. offset does not match expected size!" << std::endl;
return false ;
}
return true ;
}
uint32_t RsGenericSerializer::size(RsItem *item)
{
SerializeContext ctx(NULL,0,mFormat,mFlags);
ctx.mOffset = 8 ; // header size
item->serial_process(RsItem::SIZE_ESTIMATE, ctx) ;
return ctx.mOffset ;
}
void RsGenericSerializer::print(RsItem *item)
{
SerializeContext ctx(NULL,0,mFormat,mFlags);
std::cerr << "***** RsItem class: \"" << typeid(*item).name() << "\" *****" << std::endl;
item->serial_process(RsItem::PRINT, ctx) ;
std::cerr << "******************************" << std::endl;
}