panda3d/samples/networking/01-simple-connection/server.py

# all imports needed by the engine itself
from direct.showbase.ShowBase import ShowBase

# all imports needed by the server
from direct.distributed.ServerRepository import ServerRepository
from panda3d.core import ConfigVariableInt

# initialize the engine
base = ShowBase(windowType='none')

# the main server class
class GameServerRepository(ServerRepository):
    """The server repository class"""
    def __init__(self):
        """initialise the server class"""

        # get the port number from the configuration file
        # if it doesn't exist, we use 4400 as the default
        tcpPort = ConfigVariableInt('server-port', 4400).getValue()

        # list of all needed .dc files
        dcFileNames = ['../direct.dc']

        # initialise a threaded server on this machine with
        # the port number and the dc filenames
        ServerRepository.__init__(self, tcpPort, dcFileNames=dcFileNames, threadedNet=True)

# start the server
GameServerRepository()

base.run()