def __init__(self, addr):
self.allow_reuse_address = 1
self.hostname, self.port = addr
TCPServer.__init__(self, addr, ServerRequestHandler)
# shared state
self.data = dict()
# set server defaults
self.data = {
u'started_at': datetime.now(),
u'port': self.port,
u'hostname': Config.hostname,
u'running': True
}
# create a shared Data object
self.manager = DataManager(address=('', self.port + 1),
authkey=Config.authkey)
# "Private" methods ('__'-prefixed) are *not* exported out of
# the manager by default. This includes stuff to make dict work
# minimally. See
# http://docs.python.org/library/multiprocessing.html
#
# Upshot is we need to explicitly name the exposed functions:
DataManager.register('get_data',
callable=lambda: self.data,
exposed=('__str__', '__delitem__', '__getitem__',
'__setitem__'))
self.manager.start()
self.manager.connect()
self.data = self.manager.get_data()
def set_data(self):
try:
# get data from manager (see lib/server.py)
DataManager.register('get_data')
# manager port is one higher than listen port
manager = DataManager(address=(Config.hostname, self.port + 1),
authkey=Config.authkey)
manager.connect()
except socket_error as serr:
import errno
if serr.errno != errno.ECONNREFUSED: raise serr
log.error("Connection refused.")
sys.exit()
self.data = manager.get_data()
playlist_data = None
try:
playlist_data = self.data['playlist']
except KeyError:
playlist_data = PlaylistFile.read()
if playlist_data is None:
playlist_data = PlaylistFile.read()
# set default playlist data
default_data = {
u'playlist': playlist_data,
u'continue': False,
u'repeat': False,
u'shuffle': False,
u'status': u'stopped',
u'index': 0,
u'song': None,
u'skip': False,
u'sum_bytes': 0,
u'progress': 0,
u'elapsed': 0,
}
for k, v in default_data.items():
try:
if self.data[k] is None:
self.data[k] = default_data[k]
except KeyError:
self.data[k] = default_data[k]
