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 select_all_providers(self):
providers_info = self.select_all('Providers')
providers = []
for prv in providers_info:
providers.append(
Provider(str(prv[1]), prv[2], str(prv[3]),
petlib.pack.decode(prv[4])))
return providers
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)
def loopix_providers():
sec_params = SphinxParams(header_len=1024)
dbManager.create_providers_table('Providers')
providers = []
pubs_providers = []
for i in range(3):
p = LoopixProvider(sec_params, 'Provider%d' % (i + 1), 9995 - i,
'1.2.%d.4' % i)
p.transport = proto_helpers.FakeDatagramTransport()
p.config_params = p.config_params._replace(DATABASE_NAME='test.db')
providers.append(p)
dbManager.insert_row_into_table('Providers', [
None, p.name, p.port, p.host,
sqlite3.Binary(petlib.pack.encode(p.pubk))
])
pubs_providers = [
Provider(p.name, p.port, p.host, p.pubk) for p in providers
]
return providers, pubs_providers
def select_provider_by_name(self, param_val):
self.cursor.execute("SELECT * FROM Providers WHERE name = ?",
[str(param_val)])
plist = self.cursor.fetchone()
return Provider(str(plist[1]), plist[2], str(plist[3]),
petlib.pack.decode(plist[4]))
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)
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)