def send_session_reply(self, station, session_info):
logger.debug("Sending session reply")
stream = StreamOut(self.settings)
stream.add(session_info)
data = stream.get()
rand_value = random.randint(0, 0xFFFFFFFF)
fragments = (len(data) - 1) // 800 + 1
for i in range(fragments):
stream = StreamOut(self.settings)
stream.u8(self.MESSAGE_SESSION_REPLY)
stream.pad(11)
stream.u32(rand_value)
stream.u16(self.session_reply_id)
stream.u8(i)
stream.u8(fragments)
body = data[i * 800 : (i + 1) * 800]
stream.u32(len(body))
stream.write(body)
message = PIAMessage()
message.protocol_id = self.get_protocol_type()
message.payload = stream.get()
self.transport.send(station, message)
self.session_reply_id += 1
def encode(self, stream):
if stream.settings.get("pia.version") < 51000:
stream.add(self.connection_info)
else:
substream = StreamOut(stream.settings)
substream.add(self.connection_info.local)
substream.pad(0x3E - substream.size())
stream.write(substream.get())
stream.u8(self.index)
stream.align(4)
def send_ack(self, station, ack_id):
logger.debug("Acknowledging packet %i", ack_id)
stream = StreamOut(self.settings)
stream.u8(self.MESSAGE_ACK)
stream.pad(3)
stream.u32(ack_id)
message = PIAMessage()
message.protocol_id = self.get_protocol_type()
message.payload = stream.get()
self.transport.send(station, message)
def send_session_request(self, session_id):
logger.debug("Sending host request")
stream = StreamOut(self.settings)
stream.u8(self.MESSAGE_SESSION_REQUEST)
stream.pad(11)
stream.u32(session_id)
message = PIAMessage()
message.protocol_id = self.get_protocol_type()
message.payload = stream.get()
for port in range(0xC000, 0xC004):
self.transport.broadcast(port, message)
def send_connection_response(self, station):
logger.debug("Sending connection response")
stream = StreamOut(self.settings)
stream.u8(self.MESSAGE_CONNECTION_RESPONSE)
stream.u8(0)
stream.u8(self.version)
stream.u8(self.platform)
identification = self.session.local_station().identification_info
if self.version < 7:
stream.chars(identification.token.ljust(32, "\0"))
player = identification.players[0]
stream.wchars(player.name.ljust(16, "\0"))
stream.u8(len(player.name))
stream.u8(player.language)
else:
stream.u8(0)
stream.u64(station.connection_info.local.pid)
stream.u32(station.connection_info.local.cid)
stream.chars(identification.token.ljust(32, "\0"))
stream.u32(self.session.get_session_id())
stream.u8(len(identification.players))
stream.u8(identification.participants)
stream.u8(len(identification.players))
for player in identification.players:
stream.write(player.name.encode("utf8").ljust(80, b"\0"))
stream.u8(1)
stream.write(player.nickname.encode("utf8").ljust(40, b"\0"))
stream.u8(1)
stream.u8(player.language)
stream.write(player.play_history_key)
stream.u64(player.info)
stream.pad(0xC3 * (4 - len(identification.players)))
message = PIAMessage()
message.protocol_id = self.get_protocol_type()
message.payload = stream.get()
self.resender.send(station, message)
def send_join_request(self, station):
logger.debug("Sending join request")
local_station = self.session.local_station()
local_address = local_station.connection_info.local.local
stream = StreamOut(self.settings)
stream.u8(self.MESSAGE_JOIN_REQUEST)
stream.u8(local_station.index)
if self.settings.get("pia.version") >= 51100:
stream.pad(2)
stream.add(local_address)
message = PIAMessage()
message.protocol_id = self.get_protocol_type()
message.protocol_port = self.PORT_UNRELIABLE
message.payload = stream.get()
self.resender.send(station, message)
def send_host_reply(self, station, session_info):
logger.debug("Sending host reply")
stream = StreamOut(self.settings)
stream.u8(self.MESSAGE_HOST_REPLY)
stream.pad(11)
stream.u32(session_info.session_id)
host = self.session.host_station()
if self.settings.get("pia.version") < 51000:
stream.add(host.connection_info)
else:
stream.add(host.connection_info.local)
message = PIAMessage()
message.protocol_id = self.get_protocol_type()
message.payload = stream.get()
for i in range(3):
self.transport.send(station, message)