RetroShare/libretroshare/src/grouter/grouteritems.cc

524 lines
17 KiB
C++

#include "serialiser/rsbaseserial.h"
#include "serialiser/rstlvbase.h"
#include "grouteritems.h"
/**********************************************************************************************/
/* SERIALISATION */
/**********************************************************************************************/
bool RsGRouterItem::serialise_header(void *data,uint32_t& pktsize,uint32_t& tlvsize, uint32_t& offset) const
{
tlvsize = serial_size() ;
offset = 0;
if (pktsize < tlvsize)
return false; /* not enough space */
pktsize = tlvsize;
if(!setRsItemHeader(data, tlvsize, PacketId(), tlvsize))
{
std::cerr << "RsFileTransferItem::serialise_header(): ERROR. Not enough size!" << std::endl;
return false ;
}
#ifdef RSSERIAL_DEBUG
std::cerr << "RsFileItemSerialiser::serialiseData() Header: " << ok << std::endl;
#endif
offset += 8;
return true ;
}
/**********************************************************************************************/
/* SERIALISER STUFF */
/**********************************************************************************************/
RsItem *RsGRouterSerialiser::deserialise(void *data, uint32_t *pktsize)
{
/* get the type and size */
uint32_t rstype = getRsItemId(data);
if(RS_PKT_VERSION_SERVICE != getRsItemVersion(rstype) || RS_SERVICE_TYPE_GROUTER != getRsItemService(rstype))
{
return NULL; /* wrong type */
}
switch(getRsItemSubType(rstype))
{
//case RS_PKT_SUBTYPE_GROUTER_PUBLISH_KEY: return deserialise_RsGRouterPublishKeyItem(data, *pktsize);
case RS_PKT_SUBTYPE_GROUTER_DATA: return deserialise_RsGRouterGenericDataItem(data, *pktsize);
case RS_PKT_SUBTYPE_GROUTER_RECEIPT: return deserialise_RsGRouterReceiptItem(data, *pktsize);
case RS_PKT_SUBTYPE_GROUTER_MATRIX_CLUES: return deserialise_RsGRouterMatrixCluesItem(data, *pktsize);
case RS_PKT_SUBTYPE_GROUTER_FRIENDS_LIST: return deserialise_RsGRouterMatrixFriendListItem(data, *pktsize);
case RS_PKT_SUBTYPE_GROUTER_ROUTING_INFO: return deserialise_RsGRouterRoutingInfoItem(data, *pktsize);
default:
std::cerr << "RsGRouterSerialiser::deserialise(): Could not de-serialise item. SubPacket id = " << std::hex << getRsItemSubType(rstype) << " id = " << rstype << std::dec << std::endl;
return NULL;
}
return NULL;
}
RsGRouterGenericDataItem *RsGRouterSerialiser::deserialise_RsGRouterGenericDataItem(void *data, uint32_t pktsize) const
{
uint32_t offset = 8; // skip the header
uint32_t rssize = getRsItemSize(data);
bool ok = true ;
RsGRouterGenericDataItem *item = new RsGRouterGenericDataItem() ;
ok &= getRawUInt64(data, pktsize, &offset, &item->routing_id);
ok &= item->destination_key.deserialise(data, pktsize, offset) ;
ok &= getRawUInt32(data, pktsize, &offset, &item->data_size);
if( NULL == (item->data_bytes = (uint8_t*)malloc(item->data_size)))
{
std::cerr << __PRETTY_FUNCTION__ << ": Cannot allocate memory for chunk " << item->data_size << std::endl;
return NULL ;
}
memcpy(item->data_bytes,&((uint8_t*)data)[offset],item->data_size) ;
offset += item->data_size ;
ok &= item->signature.GetTlv(data, pktsize, &offset) ;
ok &= getRawUInt32(data, pktsize, &offset, &item->randomized_distance);
ok &= getRawUInt32(data, pktsize, &offset, &item->flags);
if (offset != rssize || !ok)
{
std::cerr << __PRETTY_FUNCTION__ << ": error while deserialising! Item will be dropped." << std::endl;
return NULL ;
}
return item;
}
RsGRouterReceiptItem *RsGRouterSerialiser::deserialise_RsGRouterReceiptItem(void *data, uint32_t pktsize) const
{
uint32_t offset = 8; // skip the header
uint32_t rssize = getRsItemSize(data);
bool ok = true ;
RsGRouterReceiptItem *item = new RsGRouterReceiptItem() ;
ok &= getRawUInt64(data, pktsize, &offset, &item->mid);
ok &= getRawUInt32(data, pktsize, &offset, &item->state);
ok &= item->destination_key.deserialise(data, pktsize, offset);
ok &= item->signature.GetTlv(data, pktsize, &offset); // signature
if (offset != rssize || !ok)
{
std::cerr << __PRETTY_FUNCTION__ << ": error while deserialising! Item will be dropped." << std::endl;
return NULL ;
}
return item;
}
RsGRouterRoutingInfoItem *RsGRouterSerialiser::deserialise_RsGRouterRoutingInfoItem(void *data, uint32_t pktsize) const
{
uint32_t offset = 8; // skip the header
uint32_t rssize = getRsItemSize(data);
bool ok = true ;
RsGRouterRoutingInfoItem *item = new RsGRouterRoutingInfoItem() ;
ok &= getRawUInt32(data, pktsize, &offset, &item->data_status);
ok &= getRawTimeT(data, pktsize, &offset, item->received_time_TS);
ok &= getRawTimeT(data, pktsize, &offset, item->last_sent_TS);
ok &= getRawUInt32(data, pktsize, &offset, &item->client_id);
item->data_item = deserialise_RsGRouterGenericDataItem(&((uint8_t*)data)[offset],pktsize - offset) ;
if(item->data_item != NULL)
offset += item->data_item->serial_size() ;
else
ok = false ;
item->destination_key = item->data_item->destination_key ;
if (offset != rssize || !ok)
{
std::cerr << __PRETTY_FUNCTION__ << ": error while deserialising! Item will be dropped." << std::endl;
return NULL ;
}
return item;
}
RsGRouterMatrixFriendListItem *RsGRouterSerialiser::deserialise_RsGRouterMatrixFriendListItem(void *data, uint32_t pktsize) const
{
uint32_t offset = 8; // skip the header
uint32_t rssize = getRsItemSize(data);
bool ok = true ;
RsGRouterMatrixFriendListItem *item = new RsGRouterMatrixFriendListItem() ;
uint32_t nb_friends = 0 ;
ok &= getRawUInt32(data, pktsize, &offset, &nb_friends); // file hash
item->reverse_friend_indices.resize(nb_friends) ;
for(uint32_t i=0;ok && i<nb_friends;++i)
ok &= item->reverse_friend_indices[i].deserialise(data, pktsize, offset) ;
if (offset != rssize || !ok)
{
std::cerr << __PRETTY_FUNCTION__ << ": error while deserialising! Item will be dropped." << std::endl;
return NULL ;
}
return item;
}
RsGRouterMatrixCluesItem *RsGRouterSerialiser::deserialise_RsGRouterMatrixCluesItem(void *data, uint32_t pktsize) const
{
uint32_t offset = 8; // skip the header
uint32_t rssize = getRsItemSize(data);
bool ok = true ;
RsGRouterMatrixCluesItem *item = new RsGRouterMatrixCluesItem() ;
ok &= item->destination_key.deserialise(data,pktsize,offset) ;
uint32_t nb_clues = 0 ;
ok &= getRawUInt32(data, pktsize, &offset, &nb_clues);
item->clues.clear() ;
for(uint32_t j=0;j<nb_clues;++j)
{
RoutingMatrixHitEntry HitE ;
ok &= getRawUInt32(data, pktsize, &offset, &HitE.friend_id);
ok &= getRawUFloat32(data, pktsize, &offset, HitE.weight);
ok &= getRawTimeT(data, pktsize, &offset, HitE.time_stamp);
item->clues.push_back(HitE) ;
}
if (offset != rssize || !ok)
{
std::cerr << __PRETTY_FUNCTION__ << ": error while deserialising! Item will be dropped." << std::endl;
return NULL ;
}
return item;
}
RsGRouterGenericDataItem *RsGRouterGenericDataItem::duplicate() const
{
RsGRouterGenericDataItem *item = new RsGRouterGenericDataItem ;
item->routing_id = routing_id ;
item->destination_key = destination_key ;
item->data_size = data_size ;
// then duplicate the memory chunk
item->data_bytes = (uint8_t*)malloc(data_size) ;
memcpy(item->data_bytes,data_bytes,data_size) ;
item->signature = signature ;
item->randomized_distance = randomized_distance ;
item->flags = flags ;
return item ;
}
uint32_t RsGRouterGenericDataItem::serial_size() const
{
uint32_t s = 8 ; // header
s += sizeof(GRouterMsgPropagationId) ; // routing id
s += destination_key.serial_size() ; // destination_key
s += 4 ; // data_size
s += data_size ; // data
s += signature.TlvSize() ; // signature
s += 4 ; // randomized distance
s += 4 ; // flags
return s ;
}
uint32_t RsGRouterGenericDataItem::signed_data_size() const
{
uint32_t s = 0 ; // no header
s += sizeof(GRouterMsgPropagationId) ; // routing id
s += destination_key.serial_size() ; // destination_key
s += 4 ; // data_size
s += data_size ; // data
return s ;
}
uint32_t RsGRouterReceiptItem::serial_size() const
{
uint32_t s = 8 ; // header
s += sizeof(GRouterMsgPropagationId) ; // routing id
s += destination_key.serial_size() ; // destination_key
s += 4 ; // state
s += signature.TlvSize() ; // signature
return s ;
}
bool RsGRouterGenericDataItem::serialise(void *data,uint32_t& size) const
{
uint32_t tlvsize,offset=0;
bool ok = true;
if(!serialise_header(data,size,tlvsize,offset))
return false ;
/* add mandatory parts first */
ok &= setRawUInt64(data, tlvsize, &offset, routing_id);
ok &= destination_key.serialise(data, tlvsize, offset) ;
ok &= setRawUInt32(data, tlvsize, &offset, data_size);
memcpy(&((uint8_t*)data)[offset],data_bytes,data_size) ;
offset += data_size ;
ok &= signature.SetTlv(data, tlvsize, &offset) ;
ok &= setRawUInt32(data, tlvsize, &offset, randomized_distance) ;
ok &= setRawUInt32(data, tlvsize, &offset, flags) ;
if (offset != tlvsize)
{
ok = false;
std::cerr << "RsGRouterGenericDataItem::serialisedata() size error! " << std::endl;
}
return ok;
}
bool RsGRouterGenericDataItem::serialise_signed_data(void *data,uint32_t& size) const
{
bool ok = true;
uint32_t offset = 0;
uint32_t tlvsize = signed_data_size() ;
/* add mandatory parts first */
ok &= setRawUInt64(data, tlvsize, &offset, routing_id);
ok &= destination_key.serialise(data, tlvsize, offset) ;
ok &= setRawUInt32(data, tlvsize, &offset, data_size);
memcpy(&((uint8_t*)data)[offset],data_bytes,data_size) ;
offset += data_size ;
if (offset != tlvsize)
{
ok = false;
std::cerr << "RsGRouterGenericDataItem::serialisedata() size error! " << std::endl;
}
return ok;
}
bool RsGRouterReceiptItem::serialise(void *data,uint32_t& size) const
{
uint32_t tlvsize,offset=0;
bool ok = true;
if(!serialise_header(data,size,tlvsize,offset))
return false ;
/* add mandatory parts first */
ok &= setRawUInt64(data, tlvsize, &offset, mid);
ok &= setRawUInt32(data, tlvsize, &offset, state);
ok &= destination_key.serialise(data,tlvsize,offset) ;
ok &= signature.SetTlv(data,tlvsize,&offset) ;
if (offset != tlvsize)
{
ok = false;
std::cerr << "RsGRouterReceiptItem::serialisedata() size error! " << std::endl;
}
return ok;
}
/* serialise the data to the buffer */
uint32_t RsGRouterMatrixCluesItem::serial_size() const
{
uint32_t s = 8 ; // header
s += destination_key.serial_size() ; // Key size
s += 4 ; // list<RoutingMatrixHitEntry>::size()
s += (4+4+8) * clues.size() ;
return s ;
}
uint32_t RsGRouterMatrixFriendListItem::serial_size() const
{
uint32_t s = 8 ; // header
s += 4 ; // reverse_friend_indices.size()
s += RsPeerId::SIZE_IN_BYTES * reverse_friend_indices.size() ; // sha1 for published_key
return s ;
}
uint32_t RsGRouterRoutingInfoItem::serial_size() const
{
uint32_t s = 8 ; // header
s += 4 ; // status_flags
s += 8 ; // received_time
s += 8 ; // last_sent
s += 4 ; // tried_friends.size() ;
s += sizeof(GRouterServiceId) ; // service_id
s += data_item->serial_size(); // data_item
return s ;
}
bool RsGRouterMatrixFriendListItem::serialise(void *data,uint32_t& size) const
{
uint32_t tlvsize,offset=0;
bool ok = true;
if(!serialise_header(data,size,tlvsize,offset))
return false ;
/* add mandatory parts first */
ok &= setRawUInt32(data, tlvsize, &offset, reverse_friend_indices.size());
for(uint32_t i=0;ok && i<reverse_friend_indices.size();++i)
ok &= reverse_friend_indices[i].serialise(data,tlvsize,offset) ;
if (offset != tlvsize)
{
ok = false;
std::cerr << "RsGRouterMatrixFriendListItem::serialisedata() size error! " << std::endl;
}
return ok;
}
bool RsGRouterMatrixCluesItem::serialise(void *data,uint32_t& size) const
{
uint32_t tlvsize,offset=0;
bool ok = true;
if(!serialise_header(data,size,tlvsize,offset))
return false ;
/* add mandatory parts first */
ok &= destination_key.serialise(data,tlvsize,offset) ;
ok &= setRawUInt32(data, tlvsize, &offset, clues.size());
for(std::list<RoutingMatrixHitEntry>::const_iterator it2(clues.begin());it2!=clues.end();++it2)
{
ok &= setRawUInt32(data, tlvsize, &offset, (*it2).friend_id) ;
ok &= setRawUFloat32(data, tlvsize, &offset, (*it2).weight) ;
ok &= setRawTimeT(data, tlvsize, &offset, (*it2).time_stamp) ;
}
if (offset != tlvsize)
{
ok = false;
std::cerr << "RsGRouterMatrixCluesItem::serialisedata() size error! " << std::endl;
}
return ok;
}
bool FriendTrialRecord::deserialise(void *data,uint32_t& offset,uint32_t size)
{
bool ok = true ;
ok &= friend_id.deserialise(data, size, offset) ;
ok &= getRawTimeT(data, size, &offset, time_stamp) ;
ok &= getRawUFloat32(data, size, &offset, probability) ;
ok &= getRawUInt32(data, size, &offset, &nb_friends) ;
return ok ;
}
bool FriendTrialRecord::serialise(void *data,uint32_t& offset,uint32_t size) const
{
bool ok = true ;
ok &= friend_id.serialise(data, size, offset) ;
ok &= setRawTimeT(data, size, &offset, time_stamp) ;
ok &= setRawUFloat32(data, size, &offset, probability) ;
ok &= setRawUInt32(data, size, &offset, nb_friends) ;
return ok ;
}
bool RsGRouterRoutingInfoItem::serialise(void *data,uint32_t& size) const
{
uint32_t tlvsize,offset=0;
bool ok = true;
if(!serialise_header(data,size,tlvsize,offset))
return false ;
ok &= setRawUInt32(data, tlvsize, &offset, data_status) ;
ok &= setRawTimeT(data, tlvsize, &offset, received_time_TS) ;
ok &= setRawTimeT(data, tlvsize, &offset, last_sent_TS) ;
ok &= setRawUInt32(data, tlvsize, &offset, client_id) ;
uint32_t ns = size - offset ;
ok &= data_item->serialise( &((uint8_t*)data)[offset], ns) ;
offset += ns ;
if (offset != tlvsize)
{
ok = false;
std::cerr << "RsGRouterRoutingInfoItem::serialisedata() size error! " << std::endl;
}
return ok;
}
// -----------------------------------------------------------------------------------//
// ------------------------------------- IO --------------------------------------- //
// -----------------------------------------------------------------------------------//
//
std::ostream& RsGRouterReceiptItem::print(std::ostream& o, uint16_t)
{
o << "RsGRouterReceiptItem:" << std::endl ;
o << " direct origin: \""<< PeerId() << "\"" << std::endl ;
o << " Mid: " << mid << std::endl ;
o << " State: " << state << std::endl ;
o << " Dest: " << destination_key << std::endl ;
o << " Sign: " << signature.keyId << std::endl ;
return o ;
}
std::ostream& RsGRouterGenericDataItem::print(std::ostream& o, uint16_t)
{
o << "RsGRouterGenericDataItem:" << std::endl ;
o << " Direct origin: \""<< PeerId() << "\"" << std::endl ;
o << " Routing ID: " << std::hex << routing_id << std::dec << "\"" << std::endl ;
o << " Key: " << destination_key.toStdString() << std::endl ;
o << " Data size: " << data_size << std::endl ;
o << " Data hash: " << RsDirUtil::sha1sum(data_bytes,data_size) << std::endl ;
o << " signature key: " << signature.keyId << std::endl;
o << " randomized dist:" << randomized_distance << std::endl;
o << " flags: " << flags << std::endl;
return o ;
}
std::ostream& RsGRouterRoutingInfoItem::print(std::ostream& o, uint16_t)
{
o << "RsGRouterRoutingInfoItem:" << std::endl ;
o << " direct origin: \""<< PeerId() << "\"" << std::endl ;
o << " recv time: "<< received_time_TS << std::endl ;
o << " Last sent: "<< last_sent_TS << std::endl ;
o << " flags: "<< std::hex << data_status << std::dec << std::endl ;
o << " Key 1: "<< destination_key << std::endl ;
o << " Key 2: "<< data_item->destination_key << std::endl ;
o << " Data size: "<< data_item->data_size << std::endl ;
o << " Client id: "<< client_id << std::endl ;
return o ;
}
std::ostream& RsGRouterMatrixCluesItem::print(std::ostream& o, uint16_t)
{
o << "RsGRouterMatrixCluesItem:" << std::endl ;
o << " destination k: " << destination_key.toStdString() << std::endl;
o << " routing clues: " << clues.size() << std::endl;
for(std::list<RoutingMatrixHitEntry>::const_iterator it(clues.begin());it!=clues.end();++it)
o << " " << (*it).friend_id << " " << (*it).time_stamp << " " << (*it).weight << std::endl;
return o ;
}
std::ostream& RsGRouterMatrixFriendListItem::print(std::ostream& o, uint16_t)
{
o << "RsGRouterMatrixCluesItem:" << std::endl ;
o << " friends: " << reverse_friend_indices.size() << std::endl;
return o ;
}