mopidy/mopidy/frontends/mpd/server.py
2011-06-04 18:24:06 +02:00

75 lines
2.4 KiB
Python

import asyncore
import logging
import re
import socket
import sys
from mopidy import settings
from .session import MpdSession
logger = logging.getLogger('mopidy.frontends.mpd.server')
def _try_ipv6_socket():
"""Determine if system really supports IPv6"""
if not socket.has_ipv6:
return False
try:
socket.socket(socket.AF_INET6).close()
return True
except IOError, e:
logger.debug(u'Platform supports IPv6, but socket '
'creation failed, disabling: %s', e)
return False
has_ipv6 = _try_ipv6_socket()
class MpdServer(asyncore.dispatcher):
"""
The MPD server. Creates a :class:`mopidy.frontends.mpd.session.MpdSession`
for each client connection.
"""
def __init__(self):
asyncore.dispatcher.__init__(self)
def start(self):
"""Start MPD server."""
try:
if has_ipv6:
self.create_socket(socket.AF_INET6, socket.SOCK_STREAM)
# Explicitly configure socket to work for both IPv4 and IPv6
self.socket.setsockopt(
socket.IPPROTO_IPV6, socket.IPV6_V6ONLY, 0)
else:
self.create_socket(socket.AF_INET, socket.SOCK_STREAM)
self.set_reuse_addr()
hostname = self._format_hostname(settings.MPD_SERVER_HOSTNAME)
port = settings.MPD_SERVER_PORT
logger.debug(u'MPD server is binding to [%s]:%s', hostname, port)
self.bind((hostname, port))
self.listen(1)
logger.info(u'MPD server running at [%s]:%s',
self._format_hostname(settings.MPD_SERVER_HOSTNAME),
settings.MPD_SERVER_PORT)
except IOError, e:
logger.error(u'MPD server startup failed: %s' %
str(e).decode('utf-8'))
sys.exit(1)
def handle_accept(self):
"""Called by asyncore when a new client connects."""
(client_socket, client_socket_address) = self.accept()
logger.info(u'MPD client connection from [%s]:%s',
client_socket_address[0], client_socket_address[1])
MpdSession(self, client_socket, client_socket_address)
def handle_close(self):
"""Called by asyncore when the socket is closed."""
self.close()
def _format_hostname(self, hostname):
if (has_ipv6
and re.match('\d+.\d+.\d+.\d+', hostname) is not None):
hostname = '::ffff:%s' % hostname
return hostname