def getPeerList(self, url, data):
"""TODO: This is in serious need of refactoring...
"""
if self.status == 'stopped':
return
try:
page = yield getPage(url + '?' + data)
except Exception as error:
log.err('Failed to connect to tracker: {0}'.format(url))
yield sleep(self.interval)
self.getPeerList(url, data)
else:
try:
res = bdecode(page)
except BTError:
log.err("Received an invalid peer list from the tracker: " +\
"{0}".format(url))
else:
if len(res) == 1:
log.msg('Tracker: {0}'.format(res)) # TODO: What is this?
return
peers = res['peers']
peers_list = []
try: # Try parsing in binary format first
while peers:
addr = socket.inet_ntoa(peers[:4])
port = struct.unpack('!H', peers[4:6])[0]
peers_list.append((addr, port))
peers = peers[6:]
except: # Now try parsing in dictionary format
try:
for p in peers:
peers_list.append((p["ip"], p["port"]))
except:
log.err("Received an invalid peer list from the " +\
"tracker: {0}".format(url))
log.msg('Received {0} peers from tracker: {1}'.format(
len(peers_list), url))
self.btm.add_peers(peers_list)
interval = res.get('interval', self.interval)
yield sleep(interval)
self.getPeerList(url, data)
def deamon_read(self):
while self.status == 'started':
size = len(self.buffer)
if size > self.buffer_max_size :
remove_count = size - self.buffer_max_size
remove_count += self.buffer_max_size / 5
for idx in self.buffer_record[:remove_count] :
del self.buffer[idx]
del self.buffer_record[:remove_count]
yield sleep(10)
def __sendTaskRequest(self, new_task, timeout=None):
if not new_task:
return
if timeout is None:
timeout = len(new_task) * 60
for task in new_task :
i, (beg, size) = task
self.protocol.send_request(i, beg, size)
self.piece_doing.append(task)
yield sleep(timeout)
self.__checkTimeout(new_task)
def connectRetry(self, connector):
addr = self.getPeerAddr(connector)
if addr in self.peers_retry:
retry = self.peers_retry[addr]
else:
retry = 0
if retry > 50:
self.peers_failed.add(addr)
self.peers_connecting.remove(addr)
del self.peers_retry[addr]
else:
yield sleep(5)
connector.connect()
retry += 1
self.peers_retry[addr] = retry
def start(self):
self.status = 'started'
info_hash = self.btm.metainfo.info_hash
peer_id = self.btm.my_peer_id
port = self.btm.app.btServer.listen_port
request = {
'info_hash' : info_hash,
'peer_id' : peer_id,
'port' : port,
'compact' : 1,
#'key' : 'abcd', # This is optional anyways
'uploaded' : 0,
'downloaded' : 0,
'left' : 100,
'event' : 'started'
}
request_encode = urlencode(request)
for url in self.btm.metainfo.announce_list :
self.getPeerList(url, request_encode)
yield sleep(1)
def conncectPeers(self, peers):
for addr, port in peers:
reactor.connectTCP(addr, port, self)
yield sleep(0)
def deamon_write(self):
while self.status == 'started':
self.__thread_write()
yield sleep(10)
def send_keep_alive(self):
yield sleep(60.0)
while self.connected:
self.send_data('')
yield sleep(60.0)
