FileTransferController::FileTransferController(QObject *parent) :
QObject(parent)
{
connect(skynet, SIGNAL(IncomingFileRequestReceived(QByteArray,quint64,QString)),
this, SLOT(file_request(QByteArray,quint64,QString)));
connect(skynet, SIGNAL(FileProgress(QByteArray,quint64,quint64)),
this, SLOT(file_progress(QByteArray,quint64,quint64)));
connect(skynet, SIGNAL(OutgoingFileRequestAccepted(QByteArray)), this, SLOT(file_accepted_by_peer(QByteArray)));
connect(skynet, SIGNAL(OutgoingFileRequestDenied(QByteArray)), this, SLOT(file_denied_by_peer(QByteArray)));
connect(skynet, SIGNAL(ChannelClosed(QByteArray)), this, SLOT(file_peer_disconnected(QByteArray)));
}
void CKadLookup::Process(UINT Tick)
{
if((Tick & E10PerSec) == 0)
return;
uint64 uNow = GetCurTick();
// check out all open channels
int ActiveNodes = 0;
for(TNodeStatusMap::iterator I = m_Nodes.begin(); I != m_Nodes.end(); I++)
{
if(!I->first.pChannel)
continue;
// Note: a sub node is not allowed to disconnect on its during a lookup, if it does so its considdered a failure
if(I->first.pChannel->IsDisconnected())
{
I->first.pChannel = NULL;
I->first.pNode->IncrFailed();
if(I->second->uTimeOut != 0)
NodeStalling(I->first.pNode);
ChannelClosed(I->first.pNode);
if(I->second->LookupState == eLookupClosest)
{
ASSERT(m_ClosestNodes > 0);
m_ClosestNodes--;
}
}
else
{
if(I->second->uTimeOut < uNow)
{
if(I->second->uTimeOut != 0)
{
NodeStalling(I->first.pNode);
I->second->uTimeOut = 0; // mark this node as stalled
}
}
else if(I->second->LookupState == eLookupActive)
ActiveNodes++; // active node requests that are not stalled
}
}
if(m_LookupState != eLookupActive)
return;
int AskForCloser = GetNeededCount();
AskForCloser -= Min(AskForCloser, ActiveNodes + m_ClosestNodes);
ASSERT(AskForCloser >= 0);
CRoutingZone::SIterator Iter;
for(CKadNode* pNode; (pNode = GetParent<CKademlia>()->Root()->GetClosestNode(Iter, m_ID)) && AskForCloser > 0;)
{
if(WasNodeUsed(pNode))
continue;
if(RequestNodes(pNode, CKadLookup::GetChannel(pNode)))
{
AskForCloser --;
ActiveNodes++;
}
}
// are we done, doer cause we got what we wanted or cause there isnt any more
if(ActiveNodes == 0)
m_LookupState = eLookupFinished;
}
void SkyNet::emit_ChannelClosed(QByteArray peer_id)
{
emit ChannelClosed(peer_id);
}
