Beispiel #1
0
// Returns true if a contact was added or updated, false if the routing table was not touched
bool CRoutingZone::AddUnfiltered(const CUInt128 &uID, uint32_t uIP, uint16_t uUDPPort, uint16_t uTCPPort, uint8_t uVersion, CKadUDPKey cUDPKey, bool& bIPVerified, bool bUpdate, bool bFromNodesDat, bool bFromHello)
{
	if (uID != uMe)
	{
		// JOHNTODO -- How do these end up leaking at times?
		CContact* pContact = new CContact(uID, uIP, uUDPPort, uTCPPort, uVersion, cUDPKey, bIPVerified);
		if (bFromNodesDat)
			pContact->CheckIfKad2(); // do not test nodes which we loaded from our nodes.dat for Kad2 again
		else if (bFromHello)
			pContact->SetReceivedHelloPacket();

		if (Add(pContact, bUpdate, bIPVerified)){
			ASSERT( !bUpdate );
			return true;
		}
		else{
			delete pContact;
			return bUpdate;
		}
	}
	return false;
}
Beispiel #2
0
void CRoutingZone::OnSmallTimer()
{
	if (!IsLeaf())
		return;

	CContact *pContact = NULL;
	time_t tNow = time(NULL);
	ContactList listEntries;
	// Remove dead entries
	m_pBin->GetEntries(&listEntries);
	for (ContactList::iterator itContactList = listEntries.begin(); itContactList != listEntries.end(); ++itContactList)
	{
		pContact = *itContactList;
		if ( pContact->GetType() == 4)
		{
			if (((pContact->m_tExpires > 0) && (pContact->m_tExpires <= tNow)))
			{
				if(!pContact->InUse())
				{
					//-----------------------------------------------------------------
					CString strID;
					CUInt128 uId = pContact->GetClientID();
					uId.ToHexString(&strID);

					CString strIP;
					pContact->GetIPAddress(&strIP);

					TRACE(_T("DelContact id=%s ip=%s %u %u %u\n"), 
						strID, strIP, pContact->GetTCPPort(), pContact->GetUDPPort(),
						CKademlia::GetRoutingZone()->GetNumContacts());
					//-----------------------------------------------------------------

					m_pBin->RemoveContact(pContact);
					delete pContact;
				}
				continue;
			}
		}
		if(pContact->m_tExpires == 0)
			pContact->m_tExpires = tNow;
	}
	pContact = m_pBin->GetOldest();
	if( pContact != NULL )
	{
		if ( pContact->m_tExpires >= tNow || pContact->GetType() == 4)
		{
			m_pBin->RemoveContact(pContact);
			m_pBin->m_listEntries.push_back(pContact);
			pContact = NULL;
		}
	}
	if(pContact != NULL)
	{
		pContact->CheckingType();
		if (pContact->GetVersion() >= 2/*47a*/)
		{
//--->xt	if (thePrefs.GetDebugClientKadUDPLevel() > 0)
				//DebugSend("KADEMLIA2_HELLO_REQ", pContact->GetIPAddress(), pContact->GetUDPPort());
			CKademlia::GetUDPListener()->SendMyDetails(KADEMLIA2_HELLO_REQ, pContact->GetIPAddress(), pContact->GetUDPPort(), true);
		}
		else
		{
//--->xt	if (thePrefs.GetDebugClientKadUDPLevel() > 0)
				//DebugSend("KADEMLIA_HELLO_REQ", pContact->GetIPAddress(), pContact->GetUDPPort());
			CKademlia::GetUDPListener()->SendMyDetails(KADEMLIA_HELLO_REQ, pContact->GetIPAddress(), pContact->GetUDPPort(), false);
			if (pContact->CheckIfKad2())
			{
//--->xt		if (thePrefs.GetDebugClientKadUDPLevel() > 0)
					//DebugSend("KADEMLIA2_HELLO_REQ", pContact->GetIPAddress(), pContact->GetUDPPort());
				CKademlia::GetUDPListener()->SendMyDetails(KADEMLIA2_HELLO_REQ, pContact->GetIPAddress(), pContact->GetUDPPort(), true);
			}
		}
	}
}
Beispiel #3
0
void CRoutingZone::OnSmallTimer()
{
	if (!IsLeaf())
		return;

	CContact *pContact = NULL;
	time_t tNow = time(NULL);
	ContactList listEntries;
	// Remove dead entries
	m_pBin->GetEntries(&listEntries);
	for (ContactList::iterator itContactList = listEntries.begin(); itContactList != listEntries.end(); ++itContactList)
	{
		pContact = *itContactList;
		if ( pContact->GetType() == 4)
		{
			if (((pContact->m_tExpires > 0) && (pContact->m_tExpires <= tNow)))
			{
				if(!pContact->InUse())
				{
					m_pBin->RemoveContact(pContact);
					delete pContact;
				}
				continue;
			}
		}
		if(pContact->m_tExpires == 0)
			pContact->m_tExpires = tNow;
	}
	pContact = m_pBin->GetOldest();
	if( pContact != NULL )
	{
		if ( pContact->m_tExpires >= tNow || pContact->GetType() == 4)
		{
			m_pBin->PushToBottom(pContact);
			pContact = NULL;
		}
	}
	if(pContact != NULL)
	{
		pContact->CheckingType();
		if (pContact->GetVersion() >= 6){ /*48b*/
			if (thePrefs.GetDebugClientKadUDPLevel() > 0)
				DebugSend("KADEMLIA2_HELLO_REQ", pContact->GetIPAddress(), pContact->GetUDPPort());
			CUInt128 uClientID = pContact->GetClientID();
			CKademlia::GetUDPListener()->SendMyDetails(KADEMLIA2_HELLO_REQ, pContact->GetIPAddress(), pContact->GetUDPPort(), pContact->GetVersion(), pContact->GetUDPKey(), &uClientID, false);
			if (pContact->GetVersion() >= KADEMLIA_VERSION8_49b){
				// FIXME:
				// This is a bit of a work arround for statistic values. Normally we only count values from incoming HELLO_REQs for
				// the firewalled statistics in order to get numbers from nodes which have us on their routing table,
				// however if we send a HELLO due to the timer, the remote node won't send a HELLO_REQ itself anymore (but
				// a HELLO_RES which we don't count), so count those statistics here. This isn't really accurate, but it should
				// do fair enough. Maybe improve it later for example by putting a flag into the contact and make the answer count
				CKademlia::GetPrefs()->StatsIncUDPFirewalledNodes(false);
				CKademlia::GetPrefs()->StatsIncTCPFirewalledNodes(false);
			}
		}
		else if (pContact->GetVersion() >= 2/*47a*/){
			if (thePrefs.GetDebugClientKadUDPLevel() > 0)
				DebugSend("KADEMLIA2_HELLO_REQ", pContact->GetIPAddress(), pContact->GetUDPPort());
			CKademlia::GetUDPListener()->SendMyDetails(KADEMLIA2_HELLO_REQ, pContact->GetIPAddress(), pContact->GetUDPPort(), pContact->GetVersion(), 0, NULL, false);
			ASSERT( CKadUDPKey(0) == pContact->GetUDPKey() );
		}
		else
		{
			if (thePrefs.GetDebugClientKadUDPLevel() > 0)
				DebugSend("KADEMLIA_HELLO_REQ", pContact->GetIPAddress(), pContact->GetUDPPort());
			CKademlia::GetUDPListener()->SendMyDetails(KADEMLIA_HELLO_REQ, pContact->GetIPAddress(), pContact->GetUDPPort(), 0, 0, NULL, false);
			if (pContact->CheckIfKad2())
			{
				if (thePrefs.GetDebugClientKadUDPLevel() > 0)
					DebugSend("KADEMLIA2_HELLO_REQ", pContact->GetIPAddress(), pContact->GetUDPPort());
				CKademlia::GetUDPListener()->SendMyDetails(KADEMLIA2_HELLO_REQ, pContact->GetIPAddress(), pContact->GetUDPPort(), 1, 0, NULL, false);
			}
		}
	}
}