def buffer_data(self):
# {{{
# Number of times that the previous received chunk has been sent
# to the team. If this counter is smaller than the number
# of peers in the team, the previous chunk must be sent in the
# burst mode because a new chunk from the splitter has arrived
# and the previous received chunk has not been sent to all the
# peers of the team. This can happen when one or more chunks
# that were routed towards this peer have been lost.
self.receive_and_feed_counter = 0
# This "private and static" variable holds the previous chunk
# received from the splitter. It is used to send the previous
# received chunk in the congestion avoiding mode. In that
# mode, the peer sends a chunk only when it received a chunk
# from another peer or from the splitter.
self.receive_and_feed_previous = ""
self.sendto_counter = 0
self.debt_memory = 1 << self.MAX_CHUNK_DEBT
Peer_IMS.buffer_data(self)
def buffer_data(self):
# {{{
# Number of times that the previous received chunk has been sent
# to the team. If this counter is smaller than the number
# of peers in the team, the previous chunk must be sent in the
# burst mode because a new chunk from the splitter has arrived
# and the previous received chunk has not been sent to all the
# peers of the team. This can happen when one or more chunks
# that were routed towards this peer have been lost.
self.receive_and_feed_counter = 0
# This "private and static" variable holds the previous chunk
# received from the splitter. It is used to send the previous
# received chunk in the congestion avoiding mode. In that
# mode, the peer sends a chunk only when it received a chunk
# from another peer or from the splitter.
self.receive_and_feed_previous = ""
self.sendto_counter = 0
self.debt_memory = 1 << self.MAX_CHUNK_DEBT
Peer_IMS.buffer_data(self)
def __init__(self):
try:
colorama.init()
except Exception:
pass
_print_("Running in", end=' ')
if __debug__:
print("debug mode")
else:
print("release mode")
# {{{ Args handling and object instantiation
parser = argparse.ArgumentParser(description='This is the peer node of a P2PSP team.')
parser.add_argument('--enable_chunk_loss', help='Forces a lost of chunks')
parser.add_argument('--max_chunk_debt', help='The maximun number of times that other peer can not send a chunk to this peer. Defaut = {}'.format(Peer_DBS.MAX_CHUNK_DEBT))
parser.add_argument('--player_port', help='Port to communicate with the player. Default = {}'.format(Peer_IMS.PLAYER_PORT))
parser.add_argument('--port_step', help='Source port step forced when behind a sequentially port allocating NAT (conflicts with --chunk_loss_period). Default = {}'.format(Symsp_Peer.PORT_STEP))
parser.add_argument('--splitter_addr', help='IP address or hostname of the splitter. Default = {}.'.format(Peer_IMS.SPLITTER_ADDR))
parser.add_argument('--splitter_port', help='Listening port of the splitter. Default = {}.'.format(Peer_IMS.SPLITTER_PORT))
parser.add_argument('--port', help='Port to communicate with the peers. Default {} (the OS will chose it).'.format(Peer_IMS.PORT))
parser.add_argument('--use_localhost', action="store_true", help='Forces the peer to use localhost instead of the IP of the adapter to connect to the splitter. Notice that in this case, peers that run outside of the host will not be able to communicate with this peer.')
parser.add_argument('--malicious', action="store_true", help='Enables the malicious activity for peer.')
parser.add_argument('--persistent', action="store_true", help='Forces the peer to send poisoned chunks to other peers.')
parser.add_argument('--on_off_ratio', help='Enables on-off attack and sets ratio for on off (from 1 to 100)')
parser.add_argument('--selective', nargs='+', type=str, help='Enables selective attack for given set of peers.')
parser.add_argument('--bad_mouth', nargs='+', type=str, help='Enables Bad Mouth attack for given set of peers.')
parser.add_argument('--trusted', action="store_true", help='Forces the peer to send hashes of chunks to splitter')
parser.add_argument('--checkall', action="store_true", help='Forces the peer to send hashes of every chunks to splitter (works only with trusted option)')
parser.add_argument('--strpeds', action="store_true", help='Enables STrPe-DS')
parser.add_argument('--strpe_log', help='Logging STrPe & STrPe-DS specific data to file.')
parser.add_argument('--show_buffer', action="store_true", help='Shows the status of the buffer of chunks.')
try:
argcomplete.autocomplete(parser)
except Exception:
pass
#args = parser.parse_known_args()[0]
args = parser.parse_args()
if args.splitter_addr:
Peer_IMS.SPLITTER_ADDR = socket.gethostbyname(args.splitter_addr)
_print_('Splitter address =', Peer_IMS.SPLITTER_ADDR)
if args.splitter_port:
Peer_IMS.SPLITTER_PORT = int(args.splitter_port)
_print_('Splitter port =', Peer_IMS.SPLITTER_PORT)
if args.port:
Peer_IMS.PORT = int(args.port)
_print_('(Peer) PORT =', Peer_IMS.PORT)
if args.player_port:
Peer_IMS.PLAYER_PORT = int(args.player_port)
_print_('Listening port (player) =', Peer_IMS.PLAYER_PORT)
if args.max_chunk_debt:
Peer_DBS.MAX_CHUNK_DEBT = int(args.max_chunk_debt)
_print_('Maximun chunk debt =', Peer_DBS.MAX_CHUNK_DEBT)
if args.use_localhost:
Peer_IMS.USE_LOCALHOST = True
_print_('Using localhost address')
peer = Peer_IMS()
peer.wait_for_the_player()
peer.connect_to_the_splitter()
peer.receive_the_mcast_endpoint()
peer.receive_the_header_size()
peer.receive_the_chunk_size()
peer.receive_the_header()
peer.receive_the_buffer_size()
_print_("Using IP Multicast address =", peer.mcast_addr)
if args.show_buffer:
Peer_IMS.SHOW_BUFFER = True
# A multicast address is always received, even for DBS peers.
if peer.mcast_addr == "0.0.0.0":
# {{{ IP unicast mode.
peer = Peer_DBS(peer)
peer.receive_my_endpoint()
peer.receive_the_number_of_peers()
_print_("Number of peers in the team (excluding me) =", peer.number_of_peers)
_print_("Am I a monitor peer? =", peer.am_i_a_monitor())
peer.listen_to_the_team()
peer.receive_the_list_of_peers()
_print_("List of peers received")
peer.receive_magic_flags()
_print_("Magic flags =", peer.magic_flags)
# After receiving the list of peers, the peer can check
# whether is a monitor peer or not (only the first
# arriving peers are monitors)
if peer.am_i_a_monitor():
from core.monitor_dbs import Monitor_DBS
peer = Monitor_DBS(peer)
_print_("Monitor DBS")
# The peer is a monitor. Now it's time to know the sets of rules that control this team.
if (peer.magic_flags & common.LRS):
from core.monitor_lrs import Monitor_LRS
peer = Monitor_LSR(peer)
_print_("Monitor LRS")
if (peer.magic_flags & common.NTS):
from core.monitor_nts import Monitor_NTS
peer = Monitor_NTS(peer)
_print_("Monitor NTS")
else:
peer = Peer_DBS(peer)
_print_("Peer DBS")
# The peer is a normal peer. Let's know the sets of rules that control this team.
if (peer.magic_flags & common.ACS):
peer = Peer_ACR(peer)
_print_("Peer ACS")
if (peer.magic_flags & common.LRS):
peer = Peer_LSR(peer)
_print_("Peer LRS")
if (peer.magic_flags & common.NTS):
from peer_nts import Peer_NTS
peer = Peeer_NTS(peer)
_print_("Peer NTS")
if args.enable_chunk_loss:
if args.chunk_loss_period:
Lossy_Peer.CHUNK_LOSS_PERIOD = int(args.chunk_loss_period)
print('CHUNK_LOSS_PERIOD =', Lossy_Peer.CHUNK_LOSS_PERIOD)
if int(args.chunk_loss_period) != 0:
from lossy_peer import Lossy_Peer
peer = Lossy_Peer(peer)
if args.port_step:
Symsp_Peer.PORT_STEP = int(args.port_step)
print('PORT_STEP =', Symsp_Peer.PORT_STEP)
if int(args.port_step) != 0:
peer = Symsp_Peer(peer)
if args.strpeds:
from core.peer_strpeds import Peer_StrpeDs
peer = Peer_StrpeDs(peer)
peer.receive_dsa_key()
if args.malicious and not args.strpeds: # workaround for malicous strpeds peer
from core.malicious_peer import MaliciousPeer
peer = MaliciousPeer(peer)
if args.persistent:
peer.setPersistentAttack(True)
if args.on_off_ratio:
peer.setOnOffAttack(True, int(args.on_off_ratio))
if args.selective:
peer.setSelectiveAttack(True, args.selective)
if args.malicious and args.strpeds:
from core.peer_strpeds_malicious import Peer_StrpeDsMalicious
peer = Peer_StrpeDsMalicious(peer)
if args.persistent:
peer.setPersistentAttack(True)
if args.on_off_ratio:
peer.setOnOffAttack(True, int(args.on_off_ratio))
if args.selective:
peer.setSelectiveAttack(True, args.selective)
if args.bad_mouth:
peer.setBadMouthAttack(True, args.bad_mouth)
if args.trusted:
from core.trusted_peer import TrustedPeer
peer = TrustedPeer(peer)
if args.checkall:
peer.setCheckAll(True)
if args.strpe_log != None:
peer.LOGGING = True
peer.LOG_FILE = open(args.strpe_log, 'w', 0)
# }}}
else:
# {{{ IP multicast mode
peer.listen_to_the_team()
# }}}
# }}}
# {{{ Run!
peer.disconnect_from_the_splitter()
peer.buffer_data()
peer.start()
print("+-----------------------------------------------------+")
print("| Received = Received kbps, including retransmissions |")
print("| Sent = Sent kbps |")
print("| (Expected values are between parenthesis) |")
print("------------------------------------------------------+")
print()
print(" Time | Received (Expected) | Sent (Expected) | Team description")
print("---------+-------------------------+--------------------------+-----------------...")
last_chunk_number = peer.played_chunk
if hasattr(peer, 'sendto_counter'):
last_sendto_counter = 0
else:
peer.sendto_counter = 0
last_sendto_counter = 0
if not hasattr(peer, 'peer_list'):
peer.peer_list = []
last_recvfrom_counter = peer.recvfrom_counter
while peer.player_alive:
time.sleep(1)
kbps_expected_recv = ((peer.played_chunk - last_chunk_number) * peer.chunk_size * 8) / 1000
last_chunk_number = peer.played_chunk
kbps_recvfrom = ((peer.recvfrom_counter - last_recvfrom_counter) * peer.chunk_size * 8) / 1000
last_recvfrom_counter = peer.recvfrom_counter
team_ratio = len(peer.peer_list) /(len(peer.peer_list) + 1.0)
kbps_expected_sent = int(kbps_expected_recv*team_ratio)
kbps_sendto = ((peer.sendto_counter - last_sendto_counter) * peer.chunk_size * 8) / 1000
last_sendto_counter = peer.sendto_counter
try:
if common.CONSOLE_MODE == False :
from gi.repository import GObject
try:
from adapter import speed_adapter
except ImportError as msg:
pass
GObject.idle_add(speed_adapter.update_widget,str(kbps_recvfrom) + ' kbps'
,str(kbps_sendto) + ' kbps'
,str(len(peer.peer_list)+1))
except Exception as msg:
pass
if kbps_recvfrom > 0 and kbps_expected_recv > 0:
nice = 100.0/float((float(kbps_expected_recv)/kbps_recvfrom)*(len(peer.peer_list)+1))
else:
nice = 0.0
_print_('|', end=Color.none)
if kbps_expected_recv < kbps_recvfrom:
sys.stdout.write(Color.red)
elif kbps_expected_recv > kbps_recvfrom:
sys.stdout.write(Color.green)
print(repr(kbps_expected_recv).rjust(12), end=Color.none)
print(('(' + repr(kbps_recvfrom) + ')').rjust(12), end=' | ')
#print(("{:.1f}".format(nice)).rjust(6), end=' | ')
#sys.stdout.write(Color.none)
if kbps_expected_sent > kbps_sendto:
sys.stdout.write(Color.red)
elif kbps_expected_sent < kbps_sendto:
sys.stdout.write(Color.green)
print(repr(kbps_sendto).rjust(12), end=Color.none)
print(('(' + repr(kbps_expected_sent) + ')').rjust(12), end=' | ')
#sys.stdout.write(Color.none)
#print(repr(nice).ljust(1)[:6], end=' ')
print(len(peer.peer_list), end=' ')
counter = 0
for p in peer.peer_list:
if (counter < 5):
print(p, end=' ')
counter += 1
else:
break
print()
try:
if common.CONSOLE_MODE == False :
GObject.idle_add(speed_adapter.update_widget,str(0)+' kbps',str(0)+' kbps',str(0))
except Exception as msg:
pass
def __init__(self):
try:
colorama.init()
except Exception:
pass
_print_("Running in", end=' ')
if __debug__:
print("debug mode")
else:
print("release mode")
# {{{ Args handling and object instantiation
parser = argparse.ArgumentParser(
description='This is the peer node of a P2PSP team.')
parser.add_argument('--enable_chunk_loss',
help='Forces a lost of chunks')
parser.add_argument(
'--max_chunk_debt',
help=
'The maximun number of times that other peer can not send a chunk to this peer. Defaut = {}'
.format(Peer_DBS.MAX_CHUNK_DEBT))
parser.add_argument(
'--player_port',
help='Port to communicate with the player. Default = {}'.format(
Peer_IMS.PLAYER_PORT))
parser.add_argument(
'--port_step',
help=
'Source port step forced when behind a sequentially port allocating NAT (conflicts with --chunk_loss_period). Default = {}'
.format(Symsp_Peer.PORT_STEP))
parser.add_argument(
'--splitter_addr',
help='IP address or hostname of the splitter. Default = {}.'.
format(Peer_IMS.SPLITTER_ADDR))
parser.add_argument(
'--splitter_port',
help='Listening port of the splitter. Default = {}.'.format(
Peer_IMS.SPLITTER_PORT))
parser.add_argument(
'--port',
help=
'Port to communicate with the peers. Default {} (the OS will chose it).'
.format(Peer_IMS.PORT))
parser.add_argument(
'--use_localhost',
action="store_true",
help=
'Forces the peer to use localhost instead of the IP of the adapter to connect to the splitter. Notice that in this case, peers that run outside of the host will not be able to communicate with this peer.'
)
parser.add_argument('--malicious',
action="store_true",
help='Enables the malicious activity for peer.')
parser.add_argument(
'--persistent',
action="store_true",
help='Forces the peer to send poisoned chunks to other peers.')
parser.add_argument(
'--on_off_ratio',
help=
'Enables on-off attack and sets ratio for on off (from 1 to 100)')
parser.add_argument(
'--selective',
nargs='+',
type=str,
help='Enables selective attack for given set of peers.')
parser.add_argument(
'--bad_mouth',
nargs='+',
type=str,
help='Enables Bad Mouth attack for given set of peers.')
parser.add_argument(
'--trusted',
action="store_true",
help='Forces the peer to send hashes of chunks to splitter')
parser.add_argument(
'--checkall',
action="store_true",
help=
'Forces the peer to send hashes of every chunks to splitter (works only with trusted option)'
)
parser.add_argument('--strpeds',
action="store_true",
help='Enables STrPe-DS')
parser.add_argument(
'--strpe_log',
help='Logging STrPe & STrPe-DS specific data to file.')
parser.add_argument('--show_buffer',
action="store_true",
help='Shows the status of the buffer of chunks.')
try:
argcomplete.autocomplete(parser)
except Exception:
pass
#args = parser.parse_known_args()[0]
args = parser.parse_args()
if args.splitter_addr:
Peer_IMS.SPLITTER_ADDR = socket.gethostbyname(args.splitter_addr)
_print_('Splitter address =', Peer_IMS.SPLITTER_ADDR)
if args.splitter_port:
Peer_IMS.SPLITTER_PORT = int(args.splitter_port)
_print_('Splitter port =', Peer_IMS.SPLITTER_PORT)
if args.port:
Peer_IMS.PORT = int(args.port)
_print_('(Peer) PORT =', Peer_IMS.PORT)
if args.player_port:
Peer_IMS.PLAYER_PORT = int(args.player_port)
_print_('Listening port (player) =', Peer_IMS.PLAYER_PORT)
if args.max_chunk_debt:
Peer_DBS.MAX_CHUNK_DEBT = int(args.max_chunk_debt)
_print_('Maximun chunk debt =', Peer_DBS.MAX_CHUNK_DEBT)
if args.use_localhost:
Peer_IMS.USE_LOCALHOST = True
_print_('Using localhost address')
peer = Peer_IMS()
peer.wait_for_the_player()
peer.connect_to_the_splitter()
peer.receive_the_mcast_endpoint()
peer.receive_the_header_size()
peer.receive_the_chunk_size()
peer.receive_the_header()
peer.receive_the_buffer_size()
_print_("Using IP Multicast address =", peer.mcast_addr)
if args.show_buffer:
Peer_IMS.SHOW_BUFFER = True
# A multicast address is always received, even for DBS peers.
if peer.mcast_addr == "0.0.0.0":
# {{{ IP unicast mode.
peer = Peer_DBS(peer)
peer.receive_my_endpoint()
peer.receive_the_number_of_peers()
_print_("Number of peers in the team (excluding me) =",
peer.number_of_peers)
_print_("Am I a monitor peer? =", peer.am_i_a_monitor())
peer.listen_to_the_team()
peer.receive_the_list_of_peers()
_print_("List of peers received")
peer.receive_magic_flags()
_print_("Magic flags =", peer.magic_flags)
# After receiving the list of peers, the peer can check
# whether is a monitor peer or not (only the first
# arriving peers are monitors)
if peer.am_i_a_monitor():
from core.monitor_dbs import Monitor_DBS
peer = Monitor_DBS(peer)
_print_("Monitor DBS")
# The peer is a monitor. Now it's time to know the sets of rules that control this team.
if (peer.magic_flags & common.LRS):
from core.monitor_lrs import Monitor_LRS
peer = Monitor_LSR(peer)
_print_("Monitor LRS")
if (peer.magic_flags & common.NTS):
from core.monitor_nts import Monitor_NTS
peer = Monitor_NTS(peer)
_print_("Monitor NTS")
else:
peer = Peer_DBS(peer)
_print_("Peer DBS")
# The peer is a normal peer. Let's know the sets of rules that control this team.
if (peer.magic_flags & common.ACS):
peer = Peer_ACR(peer)
_print_("Peer ACS")
if (peer.magic_flags & common.LRS):
peer = Peer_LSR(peer)
_print_("Peer LRS")
if (peer.magic_flags & common.NTS):
from peer_nts import Peer_NTS
peer = Peeer_NTS(peer)
_print_("Peer NTS")
if args.enable_chunk_loss:
if args.chunk_loss_period:
Lossy_Peer.CHUNK_LOSS_PERIOD = int(
args.chunk_loss_period)
print('CHUNK_LOSS_PERIOD =',
Lossy_Peer.CHUNK_LOSS_PERIOD)
if int(args.chunk_loss_period) != 0:
from lossy_peer import Lossy_Peer
peer = Lossy_Peer(peer)
if args.port_step:
Symsp_Peer.PORT_STEP = int(args.port_step)
print('PORT_STEP =', Symsp_Peer.PORT_STEP)
if int(args.port_step) != 0:
peer = Symsp_Peer(peer)
if args.strpeds:
from core.peer_strpeds import Peer_StrpeDs
peer = Peer_StrpeDs(peer)
peer.receive_dsa_key()
if args.malicious and not args.strpeds: # workaround for malicous strpeds peer
from core.malicious_peer import MaliciousPeer
peer = MaliciousPeer(peer)
if args.persistent:
peer.setPersistentAttack(True)
if args.on_off_ratio:
peer.setOnOffAttack(True, int(args.on_off_ratio))
if args.selective:
peer.setSelectiveAttack(True, args.selective)
if args.malicious and args.strpeds:
from core.peer_strpeds_malicious import Peer_StrpeDsMalicious
peer = Peer_StrpeDsMalicious(peer)
if args.persistent:
peer.setPersistentAttack(True)
if args.on_off_ratio:
peer.setOnOffAttack(True, int(args.on_off_ratio))
if args.selective:
peer.setSelectiveAttack(True, args.selective)
if args.bad_mouth:
peer.setBadMouthAttack(True, args.bad_mouth)
if args.trusted:
from core.trusted_peer import TrustedPeer
peer = TrustedPeer(peer)
if args.checkall:
peer.setCheckAll(True)
if args.strpe_log != None:
peer.LOGGING = True
peer.LOG_FILE = open(args.strpe_log, 'w', 0)
# }}}
else:
# {{{ IP multicast mode
peer.listen_to_the_team()
# }}}
# }}}
# {{{ Run!
peer.disconnect_from_the_splitter()
peer.buffer_data()
peer.start()
print("+-----------------------------------------------------+")
print("| Received = Received kbps, including retransmissions |")
print("| Sent = Sent kbps |")
print("| (Expected values are between parenthesis) |")
print("------------------------------------------------------+")
print()
print(
" Time | Received (Expected) | Sent (Expected) | Team description"
)
print(
"---------+-------------------------+--------------------------+-----------------..."
)
last_chunk_number = peer.played_chunk
if hasattr(peer, 'sendto_counter'):
last_sendto_counter = 0
else:
peer.sendto_counter = 0
last_sendto_counter = 0
if not hasattr(peer, 'peer_list'):
peer.peer_list = []
last_recvfrom_counter = peer.recvfrom_counter
while peer.player_alive:
time.sleep(1)
kbps_expected_recv = ((peer.played_chunk - last_chunk_number) *
peer.chunk_size * 8) / 1000
last_chunk_number = peer.played_chunk
kbps_recvfrom = ((peer.recvfrom_counter - last_recvfrom_counter) *
peer.chunk_size * 8) / 1000
last_recvfrom_counter = peer.recvfrom_counter
team_ratio = len(peer.peer_list) / (len(peer.peer_list) + 1.0)
kbps_expected_sent = int(kbps_expected_recv * team_ratio)
kbps_sendto = ((peer.sendto_counter - last_sendto_counter) *
peer.chunk_size * 8) / 1000
last_sendto_counter = peer.sendto_counter
try:
if common.CONSOLE_MODE == False:
from gi.repository import GObject
try:
from adapter import speed_adapter
except ImportError as msg:
pass
GObject.idle_add(speed_adapter.update_widget,
str(kbps_recvfrom) + ' kbps',
str(kbps_sendto) + ' kbps',
str(len(peer.peer_list) + 1))
except Exception as msg:
pass
if kbps_recvfrom > 0 and kbps_expected_recv > 0:
nice = 100.0 / float(
(float(kbps_expected_recv) / kbps_recvfrom) *
(len(peer.peer_list) + 1))
else:
nice = 0.0
_print_('|', end=Color.none)
if kbps_expected_recv < kbps_recvfrom:
sys.stdout.write(Color.red)
elif kbps_expected_recv > kbps_recvfrom:
sys.stdout.write(Color.green)
print(repr(kbps_expected_recv).rjust(12), end=Color.none)
print(('(' + repr(kbps_recvfrom) + ')').rjust(12), end=' | ')
#print(("{:.1f}".format(nice)).rjust(6), end=' | ')
#sys.stdout.write(Color.none)
if kbps_expected_sent > kbps_sendto:
sys.stdout.write(Color.red)
elif kbps_expected_sent < kbps_sendto:
sys.stdout.write(Color.green)
print(repr(kbps_sendto).rjust(12), end=Color.none)
print(('(' + repr(kbps_expected_sent) + ')').rjust(12), end=' | ')
#sys.stdout.write(Color.none)
#print(repr(nice).ljust(1)[:6], end=' ')
print(len(peer.peer_list), end=' ')
counter = 0
for p in peer.peer_list:
if (counter < 5):
print(p, end=' ')
counter += 1
else:
break
print()
try:
if common.CONSOLE_MODE == False:
GObject.idle_add(speed_adapter.update_widget,
str(0) + ' kbps',
str(0) + ' kbps', str(0))
except Exception as msg:
pass