def __init__(self, settings=None):
"""
Initialise the SockJS Endpoint.
:param settings: If supplied, must be a dict of settings to override
:ref:`DEFAULT_SETTINGS`.
"""
self.active_sessions = {}
self.started = False
self.settings = DEFAULT_SETTINGS.copy()
if settings:
self.settings.update(settings)
self.session_pool = self.session_pool_class(
self.settings['session_check_interval'],
self.settings['heartbeat_delay'],
)
self.stats = stats.StatsCollector()
self.start()
def __init__(self,
connection,
prefix='',
user_settings=dict(),
io_loop=None,
session_kls=None):
"""Constructor.
`connection`
SockJSConnection class
`prefix`
Connection prefix
`user_settings`
Settings dictionary
`io_loop`
Optional IOLoop instance
"""
# TODO: Version check
if version_info[0] < 2:
raise Exception('sockjs-tornado requires Tornado 2.0 or higher.')
# Store connection class
self._connection = connection
# Initialize io_loop
self.io_loop = io_loop or ioloop.IOLoop.instance()
# Settings
self.settings = DEFAULT_SETTINGS.copy()
if user_settings:
self.settings.update(user_settings)
self.websockets_enabled = 'websocket' not in self.settings['disabled_transports']
self.cookie_needed = self.settings['jsessionid']
# Sessions
self._session_kls = session_kls if session_kls else session.Session
self._sessions = sessioncontainer.SessionContainer()
check_interval = self.settings['session_check_interval'] * 1000
self._sessions_cleanup = ioloop.PeriodicCallback(self._sessions.expire,
check_interval)
self._sessions_cleanup.start()
# Stats
self.stats = stats.StatsCollector(self.io_loop)
# Initialize URLs
base = prefix + r'/[^/.]+/(?P<session_id>[^/.]+)'
# Generate global handler URLs
self._transport_urls = [('%s/%s$' % (base, p[0]), p[1], dict(server=self))
for p in GLOBAL_HANDLERS]
for k, v in TRANSPORTS.items():
if k in self.settings['disabled_transports']:
continue
# Only version 1 is supported
self._transport_urls.append(
(r'%s/%s$' % (base, k),
v,
dict(server=self))
)
# Generate static URLs
self._transport_urls.extend([('%s%s' % (prefix, k), v, dict(server=self))
for k, v in STATIC_HANDLERS.items()])