def get_network_info(self):
self.dbManager = DatabaseManager(self.config_params.DATABASE_NAME)
mixes = self.dbManager.select_all_mixnodes()
providers = self.dbManager.select_all_providers()
self.register_mixes([m for m in mixes if not m.name == self.name])
self.register_providers(
[p for p in providers if not p.name == self.name])
def get_network_info(self):
self.dbManager = DatabaseManager(self.config_params.DATABASE_NAME)
self.register_mixes(self.dbManager.select_all_mixnodes())
self.register_providers(self.dbManager.select_all_providers())
self.register_friends(self.dbManager.select_all_clients())
self.provider = self.dbManager.select_provider_by_name(self.provider.name)
log.msg("[%s] > Registered network information" % self.name)
class LoopixClient(DatagramProtocol):
jsonReader = JSONReader(
os.path.join(os.path.dirname(__file__), 'config.json'))
config_params = jsonReader.get_client_config_params()
output_buffer = Queue()
process_queue = ProcessQueue()
reactor = reactor
resolvedAdrs = {}
def __init__(self,
sec_params,
name,
port,
host,
provider_id,
privk=None,
pubk=None):
self.name = name
self.port = port
self.host = host
self.privk = privk or sec_params.group.G.order().random()
self.pubk = pubk or (self.privk * sec_params.group.G.generator())
self.crypto_client = ClientCore((sec_params, self.config_params),
self.name, self.port, self.host,
self.privk, self.pubk)
self.provider = Provider(name=provider_id)
self.latency_file = open('latency.csv', 'a')
def startProtocol(self):
log.msg("[%s] > Started" % self.name)
self.get_network_info()
self.get_provider_data()
self.subscribe_to_provider()
self.turn_on_packet_processing()
self.make_loop_stream()
self.make_drop_stream()
self.make_real_stream()
def get_network_info(self):
self.dbManager = DatabaseManager(self.config_params.DATABASE_NAME)
self.register_mixes(self.dbManager.select_all_mixnodes())
self.register_providers(self.dbManager.select_all_providers())
self.register_friends(self.dbManager.select_all_clients())
self.provider = self.dbManager.select_provider_by_name(
self.provider.name)
log.msg("[%s] > Registered network information" % self.name)
def get_provider_data(self):
self.provider = self.dbManager.select_provider_by_name(
self.provider.name)
try:
result = socket.gethostbyname(self.provider.host)
self.provider = self.provider._replace(host=result)
except socket.gaierror, err:
print(err)
class LoopixMixNode(DatagramProtocol):
jsonReader = JSONReader(
os.path.join(os.path.dirname(__file__), 'config.json'))
config_params = jsonReader.get_mixnode_config_params()
reactor = reactor
process_queue = ProcessQueue()
resolvedAdrs = {}
def __init__(self,
sec_params,
name,
port,
host,
group,
privk=None,
pubk=None):
self.name = name
self.port = port
self.host = host
self.group = group
self.privk = privk or sec_params.group.G.order().random()
self.pubk = pubk or (self.privk * sec_params.group.G.generator())
self.crypto_node = MixCore((sec_params, self.config_params), self.name,
self.port, self.host, self.privk, self.pubk)
def startProtocol(self):
print "[%s] > Started" % self.name
self.get_network_info()
self.turn_on_processing()
self.make_loop_stream()
def get_network_info(self):
self.dbManager = DatabaseManager(self.config_params.DATABASE_NAME)
mixes = self.dbManager.select_all_mixnodes()
providers = self.dbManager.select_all_providers()
self.register_mixes([m for m in mixes if not m.name == self.name])
self.register_providers(
[p for p in providers if not p.name == self.name])
def register_mixes(self, mixes):
self.pubs_mixes = group_layered_topology(mixes)
def register_providers(self, providers):
self.pubs_providers = providers
def turn_on_processing(self):
self.reactor.callLater(20.0, self.get_and_addCallback,
self.handle_packet)
def get_and_addCallback(self, function):
self.process_queue.get().addCallback(function)
def make_loop_stream(self):
self.send_loop_message()
self.schedule_next_call(self.config_params.EXP_PARAMS_LOOPS,
self.make_loop_stream)
def send_loop_message(self):
path = self.generate_random_path()
packet = self.crypto_node.create_loop_message(path)
addr = (path[0].host, path[0].port)
self.send(packet, addr)
def generate_random_path(self):
return self.construct_full_path()
def construct_full_path(self):
sequence = []
num_all_layers = len(self.pubs_mixes)
layer = self.group + 1
while layer != self.group:
mix = random.choice(self.pubs_mixes[layer % num_all_layers])
sequence.append(mix)
layer = (layer + 1) % num_all_layers
sequence.insert(num_all_layers - 1 - self.group,
random.choice(self.pubs_providers))
return sequence
def schedule_next_call(self, param, method):
interval = sample_from_exponential(param)
self.reactor.callLater(interval, method)
def datagramReceived(self, data, (host, port)):
self.process_queue.put(data)
class LoopixClient(DatagramProtocol):
jsonReader = JSONReader(os.path.join(os.path.dirname(__file__), 'config.json'))
config_params = jsonReader.get_client_config_params()
output_buffer = Queue()
process_queue = ProcessQueue()
reactor = reactor
resolvedAdrs = {}
def __init__(self, sec_params, name, port, host, provider_id, privk=None, pubk=None):
self.name = name
self.port = port
self.host = host
self.privk = privk or sec_params.group.G.order().random()
self.pubk = pubk or (self.privk * sec_params.group.G.generator())
self.crypto_client = ClientCore((sec_params, self.config_params), self.name,
self.port, self.host, self.privk, self.pubk)
self.provider = Provider(name=provider_id)
def startProtocol(self):
log.msg("[%s] > Started" % self.name)
self.get_network_info()
self.get_provider_data()
self.subscribe_to_provider()
self.turn_on_packet_processing()
self.make_loop_stream()
self.make_drop_stream()
self.make_real_stream()
def get_network_info(self):
self.dbManager = DatabaseManager(self.config_params.DATABASE_NAME)
self.register_mixes(self.dbManager.select_all_mixnodes())
self.register_providers(self.dbManager.select_all_providers())
self.register_friends(self.dbManager.select_all_clients())
self.provider = self.dbManager.select_provider_by_name(self.provider.name)
log.msg("[%s] > Registered network information" % self.name)
def get_provider_data(self):
self.provider = self.dbManager.select_provider_by_name(self.provider.name)
d = twisted.names.client.getHostByName(self.provider.host)
d.addCallback(self.resolve_provider_address)
def resolve_provider_address(self, result):
self.provider = self.provider._replace(host = result)
def subscribe_to_provider(self):
lc = task.LoopingCall(self.send, ['SUBSCRIBE', self.name, self.host, self.port])
lc.start(self.config_params.TIME_PULL, now=True)
def register_mixes(self, mixes):
self.pubs_mixes = group_layered_topology(mixes)
def register_providers(self, providers):
self.pubs_providers = providers
def register_friends(self, clients):
self.befriended_clients = clients
def turn_on_packet_processing(self):
self.retrieve_messages()
self.reactor.callLater(20.0, self.get_and_addCallback, self.handle_packet)
log.msg("[%s] > Turned on retrieving and processing of messages" % self.name)
def retrieve_messages(self):
lc = task.LoopingCall(self.send, ['PULL', self.name])
lc.start(self.config_params.TIME_PULL, now=True)
def get_and_addCallback(self, function):
self.process_queue.get().addCallback(function)
def datagramReceived(self, data, (host, port)):
self.process_queue.put(data)
def readFiles():
import petlib.pack
# sys.path += ["../loopix"]
# local("rm -f example.db")
#import databaseConnect as dc
from database_connect import DatabaseManager
databaseName = "example.db"
dbManager = DatabaseManager(databaseName)
dbManager.create_users_table("Users")
dbManager.create_providers_table("Providers")
dbManager.create_mixnodes_table("Mixnodes")
for f in os.listdir('.'):
if f.endswith(".bin"):
with open(f, 'rb') as fileName:
lines = petlib.pack.decode(fileName.read())
print 'Lines: ', lines
if lines[0] == "client":
dbManager.insert_row_into_table('Users', [
None, lines[1], lines[2], lines[3],
sqlite3.Binary(petlib.pack.encode(lines[4])), lines[5]
])
elif lines[0] == "mixnode":
dbManager.insert_row_into_table('Mixnodes', [
None, lines[1], lines[2], lines[3],
sqlite3.Binary(petlib.pack.encode(lines[5])), lines[4]
])
elif lines[0] == "provider":
dbManager.insert_row_into_table('Providers', [
None, lines[1], lines[2], lines[3],
sqlite3.Binary(petlib.pack.encode(lines[4]))
])
else:
assert False
dbManager.close_connection()
class LoopixClient(DatagramProtocol):
jsonReader = JSONReader(
os.path.join(os.path.dirname(__file__), 'config.json'))
config_params = jsonReader.get_client_config_params()
output_buffer = Queue()
process_queue = ProcessQueue()
reactor = reactor
resolvedAdrs = {}
number_of_chunks = 4 #depends on the quality/size of frame
buffering = 200 #equals to pull size for simplicity on metrics
stream_length = 1000000 #to chnage this consider adding more space to the body. 1 space for every digit
stream_buffer = [[None for x in range(number_of_chunks)]
for y in range(stream_length)] #hashtable for chunks
chunk_count = [0] * stream_length #hashtable to know a frame is full
frames_received = 0
frames_played = 0
playing = False
video_ended = False
def __init__(self,
sec_params,
name,
port,
host,
provider_id,
privk=None,
pubk=None):
self.name = name
self.port = port
self.host = host
self.privk = privk or sec_params.group.G.order().random()
self.pubk = pubk or (self.privk * sec_params.group.G.generator())
self.crypto_client = ClientCore((sec_params, self.config_params),
self.name, self.port, self.host,
self.privk, self.pubk)
self.provider = Provider(name=provider_id)
def startProtocol(self):
log.msg("[%s] > Started" % self.name)
self.get_network_info()
self.get_provider_data()
self.subscribe_to_provider()
self.turn_on_packet_processing()
#self.make_loop_stream()
#self.make_drop_stream()
self.make_real_stream()
if self.name != 'Client1':
self.send_video('../../example3.mp4', self.befriended_clients[0])
def get_network_info(self):
self.dbManager = DatabaseManager(self.config_params.DATABASE_NAME)
self.register_mixes(self.dbManager.select_all_mixnodes())
self.register_providers(self.dbManager.select_all_providers())
self.register_friends(self.dbManager.select_all_clients())
self.provider = self.dbManager.select_provider_by_name(
self.provider.name)
log.msg("[%s] > Registered network information" % self.name)
def get_provider_data(self):
self.provider = self.dbManager.select_provider_by_name(
self.provider.name)
d = twisted.names.client.getHostByName(self.provider.host)
d.addCallback(self.resolve_provider_address)
def resolve_provider_address(self, result):
self.provider = self.provider._replace(host=result)
def subscribe_to_provider(self):
lc = task.LoopingCall(self.send,
['SUBSCRIBE', self.name, self.host, self.port])
lc.start(self.config_params.TIME_PULL, now=True)
def register_mixes(self, mixes):
self.pubs_mixes = group_layered_topology(mixes)
def register_providers(self, providers):
self.pubs_providers = providers
def register_friends(self, clients):
self.befriended_clients = clients
def turn_on_packet_processing(self):
self.retrieve_messages()
self.reactor.callLater(20.0, self.get_and_addCallback,
self.handle_packet)
log.msg("[%s] > Turned on retrieving and processing of messages" %
self.name)
def retrieve_messages(self):
lc = task.LoopingCall(self.send, ['PULL', self.name])
lc.start(self.config_params.TIME_PULL, now=True)
def get_and_addCallback(self, function):
self.process_queue.get().addCallback(function)
def datagramReceived(self, data, (host, port)):
self.process_queue.put(data)
from database_connect import DatabaseManager
import sys
import core
import petlib.pack
import os.path
import sqlite3
if not os.path.isfile('../example/example.db'):
dbManager = DatabaseManager('../example/example.db')
dbManager.create_mixnodes_table('Mixnodes')
dbManager.create_providers_table('Providers')
dbManager.create_users_table('Users')
dbManager = DatabaseManager('../example/example.db')
#python setup_exampledb.py 9999 '127.0.0.1' 'Mix1' 0 9998 '127.0.0.1' 'Mix2' 1 9997 '127.0.0.1' 'Mix3' 2
def startMixes():
for i in range(3):
port = int(sys.argv[1 + (i*4)])
host = sys.argv[2 + (i*4)]
name = sys.argv[3 + (i*4)]
group = int(sys.argv[4 + (i*4)])
setup = core.setup()
G, o, g, o_bytes = setup
secret = o.random()
file("../example/secretMixnode%d.prv"%(i+1), "wb").write(petlib.pack.encode(secret))
pub = secret * g
file("../example/publicMixnode%d.bin"%(i+1), "wb").write(petlib.pack.encode(["mixnode", name, port, host, group, pub]))
dbManager.insert_row_into_table('Mixnodes',
[None, name, port, host,
sqlite3.Binary(petlib.pack.encode(pub)), group])