void CG2Node::OnQuery(G2Packet *pPacket)
{
// just read guid for now to have it in routing table
QUuid oGUID;
if( pPacket->m_bCompound )
pPacket->SkipCompound();
if( pPacket->GetRemaining() >= 16 )
{
oGUID = pPacket->ReadGUID();
Network.m_oRoutingTable.Add(oGUID, this, false);
if( m_nType == G2_LEAF ) // temporary
{
G2Packet* pQA = G2Packet::New("QA", true);
quint32 tNow = time(0);
pQA->WritePacket("TS", 4)->WriteIntLE(tNow);
pQA->WritePacket("D", 8)->WriteHostAddress(&Network.m_oAddress);
pQA->WriteIntLE(Network.m_nLeavesConnected);
quint32 nCount = 0;
for( uint i = 0; i < HostCache.size() && nCount < 100u; i++, nCount++ )
{
pQA->WritePacket("S", 6)->WriteHostAddress(&HostCache.m_lHosts[i]->m_oAddress);
}
pQA->WriteByte(0);
pQA->WriteGUID(oGUID);
//qDebug() << "Sending query ACK " << pQA->ToHex() << pQA->ToASCII();
SendPacket(pQA, true, true);
}
}
}
G2Packet* CQuery::ToG2Packet(CEndPoint* pAddr, quint32 nKey)
{
G2Packet* pPacket = G2Packet::New("Q2", true);
//bool bWantURL = true;
bool bWantDN = (!m_sDescriptiveName.isEmpty());
bool bWantMD = !m_sMetadata.isEmpty();
//bool bWantPFS = true;
if(pAddr)
{
G2Packet* pUDP = pPacket->WritePacket("UDP", 10);
pUDP->WriteHostAddress(pAddr);
pUDP->WriteIntLE(nKey);
}
if(bWantDN)
{
pPacket->WritePacket("DN", m_sDescriptiveName.toUtf8().size())->WriteString(m_sDescriptiveName, false);
}
if(bWantMD)
{
pPacket->WritePacket("MD", m_sMetadata.toUtf8().size())->WriteString(m_sMetadata, false);
}
foreach(CHash pHash, m_lHashes)
{
pPacket->WritePacket("URN", pHash.GetFamilyName().size() + CHash::ByteCount(pHash.getAlgorithm()) + 1);
pPacket->WriteString(pHash.GetFamilyName() + "\0" + pHash.RawValue(), false);
}
void CG2Node::SendLNI()
{
G2Packet* pLNI = G2Packet::New("LNI", true);
pLNI->WritePacket("NA", 6)->WriteHostAddress(&Network.m_oAddress);
pLNI->WritePacket("GU", 16)->WriteGUID(quazaaSettings.Profile.GUID);
pLNI->WritePacket("V", 4)->WriteString(quazaaGlobals.VendorCode(), false);
if( Network.isHub() )
{
quint16 nLeafs = quazaaSettings.Gnutella2.NumLeafs;
pLNI->WritePacket("HS", 4);
pLNI->WriteIntLE(Network.m_nLeavesConnected);
pLNI->WriteIntLE(nLeafs);
pLNI->WritePacket("QK", 0);
}
pLNI->WritePacket("g2core", 0);
SendPacket(pLNI, false, true);
}
void CNetwork::DispatchKHL()
{
QMutexLocker l(&Neighbours.m_pSection);
if(Neighbours.m_lNodes.isEmpty())
{
return;
}
G2Packet* pKHL = G2Packet::New("KHL");
quint32 ts = time(0);
pKHL->WritePacket("TS", 4)->WriteIntLE(ts);
for(QList<CNeighbour*>::iterator itNode = Neighbours.begin(); itNode != Neighbours.end(); ++itNode)
{
CNeighbour* pNode = *itNode;
if( pNode->m_nProtocol != dpGnutella2 )
continue;
if(((CG2Node*)pNode)->m_nType == G2_HUB && pNode->m_nState == nsConnected)
{
pKHL->WritePacket("NH", 6)->WriteHostAddress(&pNode->m_oAddress);
}
}
quint32 nCount = 0;
for(; nCount < (quint32)quazaaSettings.Gnutella2.KHLHubCount && HostCache.size() > nCount; nCount++)
{
pKHL->WritePacket("CH", 10)->WriteHostAddress(&HostCache.m_lHosts.at(nCount)->m_oAddress);
pKHL->WriteIntLE(&HostCache.m_lHosts.at(nCount)->m_tTimestamp);
}
for(QList<CNeighbour*>::iterator itNode = Neighbours.begin(); itNode != Neighbours.end(); ++itNode)
{
CNeighbour* pNode = *itNode;
if( pNode->m_nProtocol != dpGnutella2 )
continue;
if(pNode->m_nState == nsConnected)
{
((CG2Node*)pNode)->SendPacket(pKHL, false, false);
}
}
pKHL->Release();
}