def connect(self):
"""Negotiate for connection to remote host."""
self.logger.info("Connecting to %s:%s." % self.addr)
try:
self.socket = create_connection(self.addr, 5)
self.socket.setsockopt(SOL_SOCKET, SO_REUSEADDR, 1)
except IOError as e:
self.logger.critical("Connection failed: %s" % e)
sys.exit(1)
net.send(self.socket, 'icanhazconnectplz?', self.username)
servername, response = net.receive(self.socket)
if servername == None:
self.logger.critical("Connection failed: Unknown reason")
if 'accepted' not in response[0]:
self.logger.critical("Bad server response")
self.logger.debug("Data causing error:\n%s" % response)
sys.exit(1)
if response[0]['accepted'] == False:
self.logger.critical("Connection failed: %s" %
response[0]['reason'])
else:
self.logger.info("Connected")
def transmit(self, message):
"""Send the game state to all clients."""
send_list = [self.socket]
readable, writable, in_error = select.select([], send_list, [], 0)
for socket in writable:
net.send(socket, message, self.username)
def transmit(self, data):
"""Send data to all clients."""
send_list = self.clients.values()
# Select only wriatable sockets. Timeout = 0, instant
readable, writable, in_error = select.select([], send_list, [], 0)
for socket in writable:
net.send(socket, data)
def on_connect(self):
"""Handle client(s) awaiting connection."""
client, address = self.server_socket.accept()
try:
username, messages = net.receive(client)
except IOError as e:
if e.errno == errno.ECONNRESET:
self.disconnect_client(client, "Connection lost")
else:
self.logger.error(e.strerror)
return
if username in self.clients.keys():
# The username is already taken, refuse connection
self.logger.info("Refused connection from %s:%s, "
"username '%s' unavailable" %
(address[0], address[1], username))
net.send(client, { 'accepted': False,
'reason': 'Username unavailable' })
client.close()
return False
else:
# The username is free, accept the client
self.logger.info("Connection from %s:%d, username '%s' accepted" %
(address[0], address[1], username))
net.send(client, { 'accepted': True })
self.clients[username] = client
# For now, create a vehicle:
gameengine.add_entity(Vehicle(username, (400, 300),
120,('bigmotor','smallmotor')))
return True
