def next_have(self, connection, looser_upload):
if self.seed_time is None:
self.seed_time = clock()
return None
if clock() < self.seed_time+10: # wait 10 seconds after seeing the first peers
return None # to give time to grab have lists
if not connection.upload.super_seeding:
return None
if connection in self.seed_connections:
if looser_upload:
num = 1 # send a new have even if it hasn't spread that piece elsewhere
else:
num = 2
if self.seed_got_haves[self.seed_connections[connection]] < num:
return None
if not connection.upload.was_ever_interested: # it never downloaded it?
connection.upload.skipped_count += 1
if connection.upload.skipped_count >= 3: # probably another stealthed seed
return -1 # signal to close it
for tier in self.interests:
for piece in tier:
if not connection.download.have[piece]:
seedint = self.level_in_interests[piece]
self.level_in_interests[piece] += 1 # tweak it up one, so you don't duplicate effort
if seedint == len(self.interests) - 1:
self.interests.append([])
self._shift_over(piece,
self.interests[seedint], self.interests[seedint + 1])
self.seed_got_haves[piece] = 0 # reset this
self.seed_connections[connection] = piece
connection.upload.seed_have_list.append(piece)
return piece
return -1 # something screwy; terminate connection
def next_have(self, connection, looser_upload):
if self.seed_time is None:
self.seed_time = clock()
return None
if clock(
) < self.seed_time + 10: # wait 10 seconds after seeing the first peers
return None # to give time to grab have lists
if not connection.upload.super_seeding:
return None
if connection in self.seed_connections:
if looser_upload:
num = 1 # send a new have even if it hasn't spread that piece elsewhere
else:
num = 2
if self.seed_got_haves[self.seed_connections[connection]] < num:
return None
if not connection.upload.was_ever_interested: # it never downloaded it?
connection.upload.skipped_count += 1
if connection.upload.skipped_count >= 3: # probably another stealthed seed
return -1 # signal to close it
for tier in self.interests:
for piece in tier:
if not connection.download.have[piece]:
seedint = self.level_in_interests[piece]
self.level_in_interests[
piece] += 1 # tweak it up one, so you don't duplicate effort
if seedint == len(self.interests) - 1:
self.interests.append([])
self._shift_over(piece, self.interests[seedint],
self.interests[seedint + 1])
self.seed_got_haves[piece] = 0 # reset this
self.seed_connections[connection] = piece
connection.upload.seed_have_list.append(piece)
return piece
return -1 # something screwy; terminate connection
def _round_robin(self):
self.schedule(self._round_robin, 5)
if self.super_seed:
cons = range(len(self.connections))
to_close = []
count = self.config['min_uploads']-self.last_preferred
if count > 0: # optimization
shuffle(cons)
for c in cons:
i = self.picker.next_have(self.connections[c], count > 0)
if i is None:
continue
if i < 0:
to_close.append(self.connections[c])
continue
self.connections[c].send_have(i)
count -= 1
for c in to_close:
c.close()
if self.last_round_robin + self.round_robin_period < clock():
self.last_round_robin = clock()
for i in xrange(1, len(self.connections)):
c = self.connections[i]
u = c.get_upload()
if u.is_choked() and u.is_interested():
self.connections = self.connections[i:] + self.connections[:i]
break
self._rechoke()
def is_snubbed(self):
# 2fastbt_
if not self.choked and clock() - self.last2 > self.downloader.snub_time and \
not self.connection.connection.is_helper_con() and \
not self.connection.connection.is_coordinator_con():
# _2fastbt
for index, begin, length in self.active_requests:
self.connection.send_cancel(index, begin, length)
self.got_choke() # treat it just like a choke
return clock() - self.last > self.downloader.snub_time
def is_snubbed(self):
# 2fastbt_
if not self.choked and clock() - self.last2 > self.downloader.snub_time and \
not self.connection.connection.is_helper_con() and \
not self.connection.connection.is_coordinator_con():
# _2fastbt
for index, begin, length in self.active_requests:
self.connection.send_cancel(index, begin, length)
self.got_choke() # treat it just like a choke
return clock() - self.last > self.downloader.snub_time
def got_piece(self, index, begin, hashlist, piece):
""" Returns True if the piece is complete. """
length = len(piece)
#if DEBUG:
# print >> sys.stderr, 'Downloader: got piece of length %d' % length
try:
self.active_requests.remove((index, begin, length))
except ValueError:
self.downloader.discarded += length
return False
if self.downloader.endgamemode:
self.downloader.all_requests.remove((index, begin, length))
self.last = clock()
self.last2 = clock()
self.measure.update_rate(length)
self.downloader.measurefunc(length)
if not self.downloader.storage.piece_came_in(index, begin, hashlist,
piece, self.guard):
self.downloader.piece_flunked(index)
return False
if self.downloader.storage.do_I_have(index):
self.downloader.picker.complete(index)
if self.downloader.endgamemode:
for d in self.downloader.downloads:
if d is not self:
if d.interested:
if d.choked:
assert not d.active_requests
d.fix_download_endgame()
else:
try:
d.active_requests.remove(
(index, begin, length))
except ValueError:
continue
d.connection.send_cancel(index, begin, length)
d.fix_download_endgame()
else:
assert not d.active_requests
self._request_more()
self.downloader.check_complete(index)
# BarterCast counter
self.connection.total_downloaded += length
return self.downloader.storage.do_I_have(index)
def got_piece(self, index, begin, hashlist, piece):
""" Returns True if the piece is complete. """
length = len(piece)
#if DEBUG:
# print >> sys.stderr, 'Downloader: got piece of length %d' % length
try:
self.active_requests.remove((index, begin, length))
except ValueError:
self.downloader.discarded += length
return False
if self.downloader.endgamemode:
self.downloader.all_requests.remove((index, begin, length))
self.last = clock()
self.last2 = clock()
self.measure.update_rate(length)
self.downloader.measurefunc(length)
if not self.downloader.storage.piece_came_in(index, begin, hashlist, piece, self.guard):
self.downloader.piece_flunked(index)
return False
if self.downloader.storage.do_I_have(index):
self.downloader.picker.complete(index)
if self.downloader.endgamemode:
for d in self.downloader.downloads:
if d is not self:
if d.interested:
if d.choked:
assert not d.active_requests
d.fix_download_endgame()
else:
try:
d.active_requests.remove((index, begin, length))
except ValueError:
continue
d.connection.send_cancel(index, begin, length)
d.fix_download_endgame()
else:
assert not d.active_requests
self._request_more()
self.downloader.check_complete(index)
# BarterCast counter
self.connection.total_downloaded += length
return self.downloader.storage.do_I_have(index)
def __init__(self, storage, picker, backlog, max_rate_period,
numpieces, chunksize, measurefunc, snub_time,
kickbans_ok, kickfunc, banfunc, scheduler = None):
self.storage = storage
self.picker = picker
self.backlog = backlog
self.max_rate_period = max_rate_period
self.measurefunc = measurefunc
self.totalmeasure = Measure(max_rate_period*storage.piece_length/storage.request_size)
self.numpieces = numpieces
self.chunksize = chunksize
self.snub_time = snub_time
self.kickfunc = kickfunc
self.banfunc = banfunc
self.disconnectedseeds = {}
self.downloads = []
self.perip = {}
self.gotbaddata = {}
self.kicked = {}
self.banned = {}
self.kickbans_ok = kickbans_ok
self.kickbans_halted = False
self.super_seeding = False
self.endgamemode = False
self.endgame_queued_pieces = []
self.all_requests = []
self.discarded = 0L
# self.download_rate = 25000 # 25K/s test rate
self.download_rate = 0
self.bytes_requested = 0
self.last_time = clock()
self.queued_out = {}
self.requeueing = False
self.paused = False
self.scheduler = scheduler
def num_disconnected_seeds(self):
# first expire old ones
expired = []
for id, t in self.disconnectedseeds.items():
if clock() - t > EXPIRE_TIME: #Expire old seeds after so long
expired.append(id)
for id in expired:
# self.picker.seed_disappeared()
del self.disconnectedseeds[id]
return len(self.disconnectedseeds)
def num_disconnected_seeds(self):
# first expire old ones
expired = []
for id, t in self.disconnectedseeds.items():
if clock() - t > EXPIRE_TIME: #Expire old seeds after so long
expired.append(id)
for id in expired:
# self.picker.seed_disappeared()
del self.disconnectedseeds[id]
return len(self.disconnectedseeds)
def __init__(self, infohash, storage, picker, backlog, max_rate_period,
numpieces, chunksize, measurefunc, snub_time,
kickbans_ok, kickfunc, banfunc, bt1dl, scheduler = None):
self.infohash = infohash
self.b64_infohash = b64encode(infohash)
self.storage = storage
self.picker = picker
self.backlog = backlog
self.max_rate_period = max_rate_period
self.measurefunc = measurefunc
self.totalmeasure = Measure(max_rate_period*storage.piece_length/storage.request_size)
self.numpieces = numpieces
self.chunksize = chunksize
self.snub_time = snub_time
self.kickfunc = kickfunc
self.banfunc = banfunc
self.disconnectedseeds = {}
self.downloads = []
self.perip = {}
self.gotbaddata = {}
self.kicked = {}
self.banned = {}
self.kickbans_ok = kickbans_ok
self.kickbans_halted = False
self.super_seeding = False
self.endgamemode = False
self.endgame_queued_pieces = []
self.all_requests = []
self.discarded = 0L
self.download_rate = 0
# self.download_rate = 25000 # 25K/s test rate
self.bytes_requested = 0
self.last_time = clock()
self.queued_out = {}
self.requeueing = False
self.paused = False
self.scheduler = scheduler
# ProxyService_
#
self.bt1dl = bt1dl
self.proxydownloader = None
#
# _ProxyService
# hack: we should not import this since it is not part of the
# core nor should we import here, but otherwise we will get
# import errors
#
# _event_reporter stores events that are logged somewhere...
# from Tribler.Core.Statistics.StatusReporter import get_reporter_instance
# self._event_reporter = get_reporter_instance()
self._event_reporter = get_status_holder("LivingLab")
# check periodicaly
self.scheduler(self.dlr_periodic_check, 1)
def update(self):
self.raw_server.add_task(self.update, self.probing_period)
current_value = self.rate_measure.get_rate() / 1000.
current_time = clock()
if self.value is None or current_time - self.timestamp > self.max_period:
self.value = current_value
else:
self.value = self.alpha * current_value + (1 - self.alpha) * self.value
if self.max_rate > 0 and self.value > self.max_rate:
self.value = self.max_rate
self.timestamp = current_time
def __init__(self, config, schedule, picker, done = lambda: False):
self.config = config
self.round_robin_period = config['round_robin_period']
self.schedule = schedule
self.picker = picker
self.connections = []
self.last_preferred = 0
self.last_round_robin = clock()
self.done = done
self.super_seed = False
self.paused = False
schedule(self._round_robin, 5)
def update(self):
if DEBUG: print >>sys.stderr, time.asctime(),'-', "RatePredictor:update"
self.raw_server.add_task(self.update, self.probing_period)
current_value = self.rate_measure.get_rate() / 1000.
current_time = clock()
if self.value is None or current_time - self.timestamp > self.max_period:
self.value = current_value
else:
self.value = self.alpha * current_value + (1 - self.alpha) * self.value
if self.max_rate > 0 and self.value > self.max_rate:
self.value = self.max_rate
self.timestamp = current_time
def send_unchoke(self):
if self.send_choke_queued:
self.send_choke_queued = False
if DEBUG_NORMAL_MSGS:
print >>sys.stderr,'CHOKE SUPPRESSED'
else:
self._send_message(UNCHOKE)
if (self.partial_message or self.just_unchoked is None
or not self.upload.interested or self.download.active_requests):
self.just_unchoked = 0
else:
self.just_unchoked = clock()
def update(self):
self.raw_server.add_task(self.update, self.probing_period)
current_value = self.rate_measure.get_rate() / 1000.
current_time = clock()
if self.value is None or current_time - self.timestamp > self.max_period:
self.value = current_value
else:
self.value = self.alpha * current_value + (1 -
self.alpha) * self.value
if self.max_rate > 0 and self.value > self.max_rate:
self.value = self.max_rate
self.timestamp = current_time
def display(self, dpflag = Event(), fractionDone = None, timeEst = None,
downRate = None, upRate = None, activity = None,
statistics = None, **kws):
if self.last_update_time + 0.1 > clock() and fractionDone not in (0.0, 1.0) and activity is not None:
return
self.last_update_time = clock()
if fractionDone is not None:
self.percentDone = str(float(int(fractionDone * 1000)) / 10)
if timeEst is not None:
self.timeEst = hours(timeEst)
if activity is not None and not self.done:
self.timeEst = activity
if downRate is not None:
self.downRate = '%.1f kB/s' % (float(downRate) / (1 << 10))
if upRate is not None:
self.upRate = '%.1f kB/s' % (float(upRate) / (1 << 10))
if statistics is not None:
if (statistics.shareRating < 0) or (statistics.shareRating > 100):
self.shareRating = 'oo (%.1f MB up / %.1f MB down)' % (float(statistics.upTotal) / (1<<20), float(statistics.downTotal) / (1<<20))
else:
self.shareRating = '%.3f (%.1f MB up / %.1f MB down)' % (statistics.shareRating, float(statistics.upTotal) / (1<<20), float(statistics.downTotal) / (1<<20))
if not self.done:
self.seedStatus = '%d seen now, plus %.3f distributed copies' % (statistics.numSeeds,0.001*int(1000*statistics.numCopies))
else:
self.seedStatus = '%d seen recently, plus %.3f distributed copies' % (statistics.numOldSeeds,0.001*int(1000*statistics.numCopies))
self.peerStatus = '%d seen now, %.1f%% done at %.1f kB/s' % (statistics.numPeers,statistics.percentDone,float(statistics.torrentRate) / (1 << 10))
print '\n\n\n\n'
for err in self.errors:
print 'ERROR:\n' + err + '\n'
print 'saving: ', self.file
print 'percent done: ', self.percentDone
print 'time left: ', self.timeEst
print 'download to: ', self.downloadTo
print 'download rate: ', self.downRate
print 'upload rate: ', self.upRate
print 'share rating: ', self.shareRating
print 'seed status: ', self.seedStatus
print 'peer status: ', self.peerStatus
stdout.flush()
dpflag.set()
def send_unchoke(self):
if self.send_choke_queued:
self.send_choke_queued = False
if DEBUG_NORMAL_MSGS:
print >> sys.stderr, 'CHOKE SUPPRESSED'
else:
self._send_message(UNCHOKE)
if (self.partial_message or self.just_unchoked is None
or not self.upload.interested
or self.download.active_requests):
self.just_unchoked = 0
else:
self.just_unchoked = clock()
def __init__(self,
storage,
picker,
backlog,
max_rate_period,
numpieces,
chunksize,
measurefunc,
snub_time,
kickbans_ok,
kickfunc,
banfunc,
scheduler=None):
self.storage = storage
self.picker = picker
self.backlog = backlog
self.max_rate_period = max_rate_period
self.measurefunc = measurefunc
self.totalmeasure = Measure(max_rate_period * storage.piece_length /
storage.request_size)
self.numpieces = numpieces
self.chunksize = chunksize
self.snub_time = snub_time
self.kickfunc = kickfunc
self.banfunc = banfunc
self.disconnectedseeds = {}
self.downloads = []
self.perip = {}
self.gotbaddata = {}
self.kicked = {}
self.banned = {}
self.kickbans_ok = kickbans_ok
self.kickbans_halted = False
self.super_seeding = False
self.endgamemode = False
self.endgame_queued_pieces = []
self.all_requests = []
self.discarded = 0L
# self.download_rate = 25000 # 25K/s test rate
self.download_rate = 0
self.bytes_requested = 0
self.last_time = clock()
self.queued_out = {}
self.requeueing = False
self.paused = False
self.scheduler = scheduler
def queue_limit(self):
if not self.download_rate:
return 10e10 # that's a big queue!
t = clock()
self.bytes_requested -= (t - self.last_time) * self.download_rate
self.last_time = t
if not self.requeueing and self.queued_out and self.bytes_requested < 0:
self.requeueing = True
q = self.queued_out.keys()
shuffle(q)
self.queued_out = {}
for d in q:
d._request_more()
self.requeueing = False
if -self.bytes_requested > 5*self.download_rate:
self.bytes_requested = -5*self.download_rate
ql = max(int(-self.bytes_requested/self.chunksize), 0)
# if DEBUG:
# print >> sys.stderr, 'Downloader: download_rate: %s, bytes_requested: %s, chunk: %s -> queue limit: %d' % \
# (self.download_rate, self.bytes_requested, self.chunksize, ql)
return ql
def queue_limit(self):
if not self.download_rate:
return 10e10 # that's a big queue!
t = clock()
self.bytes_requested -= (t - self.last_time) * self.download_rate
self.last_time = t
if not self.requeueing and self.queued_out and self.bytes_requested < 0:
self.requeueing = True
q = self.queued_out.keys()
shuffle(q)
self.queued_out = {}
for d in q:
d._request_more()
self.requeueing = False
if -self.bytes_requested > 5 * self.download_rate:
self.bytes_requested = -5 * self.download_rate
ql = max(int(-self.bytes_requested / self.chunksize), 0)
if DEBUG:
print >> sys.stderr, 'Downloader: download_rate: %s, bytes_requested: %s, chunk: %s -> queue limit: %d' % \
(self.download_rate, self.bytes_requested, self.chunksize, ql)
return ql
def __init__(self,
infohash,
storage,
picker,
backlog,
max_rate_period,
numpieces,
chunksize,
measurefunc,
snub_time,
kickbans_ok,
kickfunc,
banfunc,
bt1dl,
scheduler=None):
self.infohash = infohash
self.b64_infohash = b64encode(infohash)
self.storage = storage
self.picker = picker
self.backlog = backlog
self.max_rate_period = max_rate_period
self.measurefunc = measurefunc
self.totalmeasure = Measure(max_rate_period * storage.piece_length /
storage.request_size)
self.numpieces = numpieces
self.chunksize = chunksize
self.snub_time = snub_time
self.kickfunc = kickfunc
self.banfunc = banfunc
self.disconnectedseeds = {}
self.downloads = []
self.perip = {}
self.gotbaddata = {}
self.kicked = {}
self.banned = {}
self.kickbans_ok = kickbans_ok
self.kickbans_halted = False
self.super_seeding = False
self.endgamemode = False
self.endgame_queued_pieces = []
self.all_requests = []
self.discarded = 0L
self.download_rate = 0
# self.download_rate = 25000 # 25K/s test rate
self.bytes_requested = 0
self.last_time = clock()
self.queued_out = {}
self.requeueing = False
self.paused = False
self.scheduler = scheduler
# ProxyService_
#
self.bt1dl = bt1dl
self.proxydownloader = None
#
# _ProxyService
# hack: we should not import this since it is not part of the
# core nor should we import here, but otherwise we will get
# import errors
#
# _event_reporter stores events that are logged somewhere...
# from Tribler.Core.Statistics.StatusReporter import get_reporter_instance
# self._event_reporter = get_reporter_instance()
self._event_reporter = get_status_holder("LivingLab")
# check periodicaly
self.scheduler(self.dlr_periodic_check, 1)
def got_piece(self, index, begin, hashlist, piece):
"""
Returns True if the piece is complete.
Note that in this case a -piece- means a chunk!
"""
if self.bad_performance_counter:
self.bad_performance_counter -= 1
if DEBUG: print >>sys.stderr, "decreased bad_performance_counter to", self.bad_performance_counter
length = len(piece)
#if DEBUG:
# print >> sys.stderr, 'Downloader: got piece of length %d' % length
try:
self.active_requests.remove((index, begin, length))
except ValueError:
self.downloader.discarded += length
return False
if self.downloader.endgamemode:
self.downloader.all_requests.remove((index, begin, length))
if DEBUG: print >>sys.stderr, "Downloader: got_piece: removed one request from all_requests", len(self.downloader.all_requests), "remaining"
self.last = clock()
self.last2 = clock()
self.measure.update_rate(length)
# Update statistic gatherer
status = get_status_holder("LivingLab")
s_download = status.get_or_create_status_element("downloaded",0)
s_download.inc(length)
self.short_term_measure.update_rate(length)
self.downloader.measurefunc(length)
if not self.downloader.storage.piece_came_in(index, begin, hashlist, piece, self.guard):
self.downloader.piece_flunked(index)
return False
# boudewijn: we need more accurate (if possibly invalid)
# measurements on current download speed
self.downloader.picker.got_piece(index, begin, length)
if self.downloader.storage.do_I_have(index):
# The piece (actual piece, not chunk) is complete
self.downloader.picker.complete(index)
# ProxyService_
#
if self.downloader.proxydownloader:
if DEBUG:
print >>sys.stderr, "downloader: got_piece. Searching if piece", index, "was requested by a doe node."
if index in self.downloader.proxydownloader.proxy.currently_downloading_pieces:
# get_piece(index, 0, -1) returns the complete piece data
[piece_data, hash_list] = self.downloader.storage.get_piece(index, 0, -1)
self.downloader.proxydownloader.proxy.retrieved_piece(index, piece_data)
#
# _ProxyService
if self.downloader.endgamemode:
for d in self.downloader.downloads:
if d is not self:
if d.interested:
if d.choked:
assert not d.active_requests
d.fix_download_endgame()
else:
try:
d.active_requests.remove((index, begin, length))
except ValueError:
continue
d.connection.send_cancel(index, begin, length)
d.fix_download_endgame()
else:
assert not d.active_requests
self._request_more()
self.downloader.check_complete(index)
# BarterCast counter
self.connection.total_downloaded += length
return self.downloader.storage.do_I_have(index)
def got_unchoke(self):
if self.choked:
self.choked = False
if self.interested:
self._request_more(new_unchoke = True)
self.last2 = clock()
def got_request(self, i, p, l):
self.upload.got_request(i, p, l)
if self.just_unchoked:
self.connecter.ratelimiter.ping(clock() - self.just_unchoked)
self.just_unchoked = 0
def got_unchoke(self):
if self.choked:
self.choked = False
if self.interested:
self._request_more(new_unchoke=True)
self.last2 = clock()
def got_request(self, i, p, l):
self.upload.got_request(i, p, l)
if self.just_unchoked:
self.connecter.ratelimiter.ping(clock() - self.just_unchoked)
self.just_unchoked = 0
def add_disconnected_seed(self, id):
# if not self.disconnectedseeds.has_key(id):
# self.picker.seed_seen_recently()
self.disconnectedseeds[id] = clock()
def is_snubbed(self):
if not self.choked and clock() - self.last2 > self.downloader.snub_time:
for index, begin, length in self.active_requests:
self.connection.send_cancel(index, begin, length)
self.got_choke() # treat it just like a choke
return clock() - self.last > self.downloader.snub_time
def add_disconnected_seed(self, id):
# if not self.disconnectedseeds.has_key(id):
# self.picker.seed_seen_recently()
self.disconnectedseeds[id]=clock()
def is_snubbed(self):
if not self.choked and clock() - self.last2 > self.downloader.snub_time:
for index, begin, length in self.active_requests:
self.connection.send_cancel(index, begin, length)
self.got_choke() # treat it just like a choke
return clock() - self.last > self.downloader.snub_time
def got_piece(self, index, begin, hashlist, piece):
"""
Returns True if the piece is complete.
Note that in this case a -piece- means a chunk!
"""
if self.bad_performance_counter:
self.bad_performance_counter -= 1
if DEBUG:
print >> sys.stderr, "decreased bad_performance_counter to", self.bad_performance_counter
length = len(piece)
#if DEBUG:
# print >> sys.stderr, 'Downloader: got piece of length %d' % length
try:
self.active_requests.remove((index, begin, length))
except ValueError:
self.downloader.discarded += length
return False
if self.downloader.endgamemode:
self.downloader.all_requests.remove((index, begin, length))
if DEBUG:
print >> sys.stderr, "Downloader: got_piece: removed one request from all_requests", len(
self.downloader.all_requests), "remaining"
self.last = clock()
self.last2 = clock()
self.measure.update_rate(length)
# Update statistic gatherer
status = get_status_holder("LivingLab")
s_download = status.get_or_create_status_element("downloaded", 0)
s_download.inc(length)
self.short_term_measure.update_rate(length)
self.downloader.measurefunc(length)
if not self.downloader.storage.piece_came_in(index, begin, hashlist,
piece, self.guard):
self.downloader.piece_flunked(index)
return False
# boudewijn: we need more accurate (if possibly invalid)
# measurements on current download speed
self.downloader.picker.got_piece(index, begin, length)
if self.downloader.storage.do_I_have(index):
# The piece (actual piece, not chunk) is complete
self.downloader.picker.complete(index)
# ProxyService_
#
if self.downloader.proxydownloader:
if DEBUG:
print >> sys.stderr, "downloader: got_piece. Searching if piece", index, "was requested by a doe node."
if index in self.downloader.proxydownloader.proxy.currently_downloading_pieces:
# get_piece(index, 0, -1) returns the complete piece data
[piece_data, hash_list
] = self.downloader.storage.get_piece(index, 0, -1)
self.downloader.proxydownloader.proxy.retrieved_piece(
index, piece_data)
#
# _ProxyService
if self.downloader.endgamemode:
for d in self.downloader.downloads:
if d is not self:
if d.interested:
if d.choked:
assert not d.active_requests
d.fix_download_endgame()
else:
try:
d.active_requests.remove(
(index, begin, length))
except ValueError:
continue
d.connection.send_cancel(index, begin, length)
d.fix_download_endgame()
else:
assert not d.active_requests
self._request_more()
self.downloader.check_complete(index)
# BarterCast counter
self.connection.total_downloaded += length
return self.downloader.storage.do_I_have(index)