def get(self):
## remove any old peers
plist = Peer.all().filter('datetime <',datetime.now() - timedelta(days=1))
peercount = plist.count()
for p in plist:
p.delete()
## remove any empty trackers
trackers = Tracker.all()
trackercount = 0
for tracker in trackers:
p = Peer.all().filter('tracker =',tracker).order('-datetime').get()
if p == None:
tracker.delete()
trackercount += 1
## some simple stats
self.response.headers['Content-Type'] = 'text/plain'
self.response.out.write("Cleaned %d trackers and %d peers"%(trackercount,peercount))
if trackercount and peercount:
logging.info("Cleaned %d trackers and %d peers"%(trackercount,peercount))
def get(self,key):
self.response.headers['Content-Type'] = 'text/plain'
if re.match(r"\w{3,25}",key): ## check if a tracker is valid
## Check if the tracker exists, if not create it
tracker = GetTracker(key)
## Check if the peer making the request is already in the DB, if not add them
Tick(tracker,self.request.remote_addr)
## try getting a given tick if not set the default
try:
tick = int(self.request.get('tick'))
except:
tick = 60
## Get and echo the relevant peers
plist = Peer.all().filter('tracker =',tracker).filter('datetime >',datetime.now() - timedelta(seconds=tick))
for peer in plist:
if peer.address != self.request.remote_addr:
self.response.out.write(peer.address+"\n")
else:
self.response.out.write('Tracker must contain only numbers, letters and the underscore, it must also be between 3 and 25 charachters')
def Tick(tracker,address):
p = Peer.all().filter('address =',address).filter('tracker =',tracker).get()
if p != None:
p.put()
else:
Peer(address=address,tracker=tracker).put()
