def getNewPeerList(self):
#Dont create too many connections to other peers ( because of performance problems )
if(len(self._peersConn) >= self._maxPeerListSize):
return
t = SSimulator().tick
if( (t - self._lastPeerListUpdate) < self._timeBetweenPeerListUpdates):
return
else:
self._lastPeerListUpdate = t
Log.pLD(self, "Ask Tracker for new peers ...".format())
newPeers = self._torrent.tracker.getPeerList()
#Filter unwanted peers , for example itself
def f(x): return ( x.pid != self.pid )
newPeers = filter( f, newPeers )
for i in newPeers :
if (i.pid in self._peersConn) == False:
newConnection = Connection(self, i)
self._peersConn[i.pid] = ( 0, i.pid, newConnection, -1 , self.NO_SLOT )
newConnection.setUploadLimit( self._calculateUploadRate(newConnection) )
#newConnection.setDownloadLimit( self._calculateDownloadRate(newConnection) )
newConnection.connect()
Log.pLD(self, "adding Peer [{0}]".format(i.pid))
def connectToPeer(self, peer):
#logging.log(Simulator.DEBUG, "[{0}] External peer is connecting! [{1}]".format(self.pid, peer.pid))
Log.pLD(self, "External peer is connecting! [{0}]".format(peer.pid) )
newConnection = None
#If we already now this peer, return current connection
if peer.pid in self._peersConn :
newConnection = self._peersConn[peer.pid][2]
else:
Log.pLD(self, "adding Peer [{0}]".format(peer.pid))
newConnection = Connection(self, peer)
self._peersConn[peer.pid] = ( 0, peer.pid, newConnection, -1 , self.NO_SLOT)
newConnection.setUploadLimit( self._calculateUploadRate(newConnection) )
#newConnection.setDownloadLimit( self._calculateDownloadRate(newConnection) )
self._peersConn[peer.pid][2].connect()
#Return the connection reference
return newConnection
