laserdriftd

#! /usr/bin/env python

import logging
import sys
import daemon
from laserdrift import LaserDrift
from optparse import OptionParser

parser = OptionParser(description="Starts a Laser Drift racing server with the given players.")

parser.add_option("-d", "--daemon", action="store_true", dest="daemon", default=False,
                  help="Daemonise the laserdriftd process")
parser.add_option("-s", "--socket", dest="socket", default="/var/run/lirc/lircd",
                  help="Location of the lircd socket [default: %default]", metavar="PATH")
parser.add_option("-H", "--host", dest="host", default="localhost",
                  help="Host name to run TCP server on [default: %default]" , metavar="HOST")
parser.add_option("-p", "--port", dest="port", default=8099,
                  help="TCP port to listen on [default: %default]", metavar="PORT")
parser.add_option("-r", "--remote", dest="remote", default="carrera",
                  help="The name of the remote control in the lirc config [default: %default]",
                  metavar="NAME")
parser.add_option("-l", "--logfile", dest="logfile", default=None,
                  help="The path to a file to log output to [default: STDOUT]",
                  metavar="PATH")
parser.add_option("--p0", action="append_const", const=0, dest="players",
                  help="Player #1 is active")
parser.add_option("--p1", action="append_const", const=1, dest="players",
                  help="Player #2 is active")
parser.add_option("--p2", action="append_const", const=2, dest="players",
                  help="Player #3 is active")
parser.add_option("--p3", action="append_const", const=3, dest="players",
                  help="Player #4 is active")

(opts, _) = parser.parse_args()

logging.basicConfig(filename=opts.logfile, level=logging.INFO)

if not opts.players:
    logging.error("Atleast one player must be active.")
    sys.exit(1)

if opts.daemon and not opts.logfile:
    logging.error("Log file must be specified when running as a daemon.")
    sys.exit(1)

opts.players.sort()

ld = LaserDrift(opts.logfile)
logfile = logging.root.handlers[0].stream.fileno()
process = daemon.DaemonContext(files_preserve=[logfile])

try:
    if opts.daemon:
        process.open()

    ld.run(players=opts.players,
           host=opts.host,
           port=int(opts.port),
           daemon=opts.daemon,
           socket=opts.socket,
           remote=opts.remote)
except KeyboardInterrupt:
    ld.terminate()
finally:
    if opts.daemon:
        process.close()