def got_have(self, piece, connection=None):
if DEBUG:
print >> sys.stderr, 'pps::got_have: piece', piece
self.maxhave = max(self.maxhave, piece)
PiecePicker.got_have(self, piece, connection)
if self.is_interesting(piece):
self.peer_connections[connection]['interesting'][piece] = 1
def got_have(self, piece, connection = None):
if DEBUG:
print >> sys.stderr, 'pps::got_have: piece', piece
self.maxhave = max(self.maxhave, piece)
PiecePicker.got_have(self, piece, connection)
if self.is_interesting(piece):
self.peer_connections[connection]['interesting'][piece] = 1
def __init__(self,
numpieces,
rarest_first_cutoff=1,
rarest_first_priority_cutoff=3,
priority_step=20,
helper=None,
coordinator=None,
rate_predictor=None,
piecesize=0):
PiecePicker.__init__(self, numpieces, rarest_first_cutoff,
rarest_first_priority_cutoff, priority_step,
helper, coordinator, rate_predictor)
self.maxhave = 0
self.stats = {}
self.stats['high'] = 0
self.stats['mid'] = 0
self.stats['low'] = 0
self.transporter = None
self.outstanding_requests = {}
self.playing_delay = (5, 20, -0.5)
buffering_delay = globalConfig.get_value(
'piece_picker_buffering_delay', None)
if buffering_delay is not None:
self.buffering_delay = buffering_delay
else:
self.buffering_delay = (7.5, 30, 10)
self.is_interesting = self.is_interesting_normal
self.extra_videostatus = []
def get_valid_range_iterator(self, skip_filter = False):
if skip_filter:
return PiecePicker.get_valid_range_iterator(self)
if self.videostatus.live_streaming and self.videostatus.get_live_startpos() is None:
if DEBUG:
log('pps::get_valid_range_iterator: not hooked in, valid range set to total')
return PiecePicker.get_valid_range_iterator(self)
if DEBUG:
log('pps::get_valid_range_iterator: live hooked in or VOD, valid range set to subset')
return self.valid_range_generator()
def get_valid_range_iterator(self, skip_filter=False):
if skip_filter:
return PiecePicker.get_valid_range_iterator(self)
if self.videostatus.live_streaming and self.videostatus.get_live_startpos(
) is None:
if DEBUG:
log('pps::get_valid_range_iterator: not hooked in, valid range set to total'
)
return PiecePicker.get_valid_range_iterator(self)
if DEBUG:
log('pps::get_valid_range_iterator: live hooked in or VOD, valid range set to subset'
)
return self.valid_range_generator()
def next(self,
haves,
wantfunc,
sdownload,
complete_first=False,
helper_con=False,
slowpieces=[],
willrequest=True,
connection=None,
proxyhave=None,
shuffle=True):
def newwantfunc(piece):
return piece not in slowpieces and wantfunc(piece)
p = PiecePicker.next(self,
haves,
newwantfunc,
sdownload,
complete_first,
helper_con,
slowpieces=slowpieces,
willrequest=willrequest,
connection=connection,
shuffle=shuffle)
if DEBUGPP and self.videostatus.prebuffering:
print >> sys.stderr, 'PiecePickerStreaming: original PP.next returns', p
if p is None and not self.videostatus.live_streaming and self.am_I_complete(
) or TEST_VOD_OVERRIDE:
if self.transporter is not None:
self.transporter.notify_playable()
return p
def __init__(self, numpieces, rarest_first_cutoff = 1, rarest_first_priority_cutoff = 3, priority_step = 20, helper = None, coordinator = None, rate_predictor = None, piecesize = 0):
PiecePicker.__init__(self, numpieces, rarest_first_cutoff, rarest_first_priority_cutoff, priority_step, helper, coordinator, rate_predictor)
self.maxhave = 0
self.stats = {}
self.stats['high'] = 0
self.stats['mid'] = 0
self.stats['low'] = 0
self.transporter = None
self.outstanding_requests = {}
self.playing_delay = (5, 20, -0.5)
buffering_delay = globalConfig.get_value('piece_picker_buffering_delay', None)
if buffering_delay is not None:
self.buffering_delay = buffering_delay
else:
self.buffering_delay = (7.5, 30, 10)
self.is_interesting = self.is_interesting_normal
self.extra_videostatus = []
def next(self, haves, wantfunc, sdownload, complete_first = False, helper_con = False, slowpieces = [], willrequest = True, connection = None, proxyhave = None, shuffle = True):
def newwantfunc(piece):
return piece not in slowpieces and wantfunc(piece)
p = PiecePicker.next(self, haves, newwantfunc, sdownload, complete_first, helper_con, slowpieces=slowpieces, willrequest=willrequest, connection=connection, shuffle=shuffle)
if DEBUGPP and self.videostatus.prebuffering:
print >> sys.stderr, 'PiecePickerStreaming: original PP.next returns', p
if p is None and not self.videostatus.live_streaming and self.am_I_complete() or TEST_VOD_OVERRIDE:
if self.transporter is not None:
self.transporter.notify_playable()
return p
def complete(self, piece):
if DEBUG:
log('PiecePickerStreaming: complete:', piece)
if not PiecePicker.complete(self, piece):
return False
if self.transporter:
self.transporter.complete(piece)
for request in self.outstanding_requests.keys():
if request[0] == piece:
del self.outstanding_requests[request]
for d in self.peer_connections.itervalues():
d['interesting'].pop(piece, 0)
check_interests = False
for vs in self.extra_videostatus:
start_new_file = vs.got_piece(piece)
if start_new_file and not check_interests:
self.downloader.check_interests()
check_interests = True
return True
def complete(self, piece):
if DEBUG:
log('PiecePickerStreaming: complete:', piece)
if not PiecePicker.complete(self, piece):
return False
if self.transporter:
self.transporter.complete(piece)
for request in self.outstanding_requests.keys():
if request[0] == piece:
del self.outstanding_requests[request]
for d in self.peer_connections.itervalues():
d['interesting'].pop(piece, 0)
check_interests = False
for vs in self.extra_videostatus:
start_new_file = vs.got_piece(piece)
if start_new_file and not check_interests:
self.downloader.check_interests()
check_interests = True
return True
def requested(self, *request):
self.outstanding_requests[request] = time.time()
return PiecePicker.requested(self, *request)
def lost_peer(self, connection):
PiecePicker.lost_peer(self, connection)
def got_peer(self, connection):
PiecePicker.got_peer(self, connection)
self.peer_connections[connection]['interesting'] = odict()
def lost_have(self, piece):
PiecePicker.lost_have(self, piece)
def got_peer(self, connection):
PiecePicker.got_peer(self, connection)
self.peer_connections[connection]['interesting'] = odict()
def got_seed(self):
self.maxhave = self.numpieces
PiecePicker.got_seed(self)
def requested(self, *request):
self.outstanding_requests[request] = time.time()
return PiecePicker.requested(self, *request)
def lost_peer(self, connection):
PiecePicker.lost_peer(self, connection)
def got_seed(self):
self.maxhave = self.numpieces
PiecePicker.got_seed(self)
def lost_have(self, piece):
PiecePicker.lost_have(self, piece)
