def send(self, supl_message):
pdu = ULP.ULP.ULP_PDU
pdu.set_val(supl_message)
logger.debug(pdu.to_asn1())
tx_data = pdu.to_uper()
self.supl_server.send(self.client_fileno, tx_data)
def run(self):
self.ssl_context.load_cert_chain(certfile="security/server.pem", keyfile="security/server.key") # need key without password
logger.debug('Create socket')
serversocket = socket.socket()
serversocket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
serversocket.bind(('192.168.1.30', 7275))
logger.debug('Listenning...')
serversocket.listen()
with self.ssl_context.wrap_socket(serversocket, server_side=True) as ssock:
self.epoll.register(ssock.fileno(), select.EPOLLIN)
try:
while self.is_running:
events = self.epoll.poll(1)
for fileno, event in events:
if fileno == ssock.fileno():
client, address = ssock.accept()
self.add_client(client, address)
elif event & select.EPOLLIN:
self.receive(fileno)
#elif event & select.EPOLLOUT:
# self.send(fileno)
elif event & select.EPOLLHUP:
self.del_client(fileno)
finally:
self.epoll.unregister(ssock.fileno())
self.epoll.close()
ssock.close()
def add_client(self, client, address):
self.clients[client.fileno()] = (client, address)
self.epoll.register(client.fileno(), select.EPOLLIN)
self.callback.process_client_connected(client.fileno())
logger.debug("Client is connected, address: %s:%d" % address) # address format is ('192.168.1.30', 55908)
def del_client(self, fileno):
if self.clients.__contains__(fileno):
(client, address) = self.clients[fileno]
self.epoll.unregister(fileno)
client.close()
del self.clients[fileno]
self.callback.process_client_disconnected(fileno)
logger.debug("Client is disconnected, address: %s:%d" % (address[0], address[1]))
def send(self, fileno, data):
if (data != None and self.clients.__contains__(fileno)):
(client, address) = self.clients[fileno]
logger.debug("Sending %d bytes data to client: %s:%d" % (len(data), address[0], address[1]))
length = client.send(data)
logger.debug("Sent %d bytes data to client: %s:%d" % (length, address[0], address[1]))
else:
logger.debug("Failed to send data to: %s:%d, no such client!" % (address[0], address[1]))
def receive(self, rx_data):
string = rx_data.hex()
logger.debug("[RX][%d]: %s" % (len(string) / 2, string))
pdu = ULP.ULP.ULP_PDU
pdu.from_uper(rx_data)
logger.debug(pdu.to_asn1())
(msgtype, message) = get_val_at(pdu, ["message"])
if "msSUPLSTART" == msgtype:
self.send_supl_reponse(message)
elif "msSUPLPOSINIT" == msgtype:
self.send_supl_pos(message)
else:
logger.debug("Received unexpected message: %s" % msgtype)
def process_client_connected(self, client_fileno):
if self.sessions.__contains__(client_fileno):
logger.debug("Error, failed to add session with fileno: %d, session already exists!" % client_fileno)
else:
self.sessions[client_fileno] = SuplSession(self, client_fileno)
def send(self, client_fileno, tx_data):
if self.sessions.__contains__(client_fileno):
self.tls_server.send(client_fileno, tx_data)
else:
logger.debug("Error, failed to send data to peer with fileno: %d, no such session!" % client_fileno)
def receive(self, client_fileno, rx_data):
if self.sessions.__contains__(client_fileno):
self.sessions[client_fileno].receive(rx_data)
else:
logger.debug("Error, failed to deliver data to session with fileno: %d, no such session!" % client_fileno)
def process_client_disconnected(self, client_fileno):
if self.sessions.__contains__(client_fileno):
del self.sessions[client_fileno]
else:
logger.debug("Error, failed to remove session with fileno: %d, no such session!" % client_fileno)