def __init__(self,
name,
app,
host='0.0.0.0',
port=0,
pool_size=None,
protocol=eventlet.wsgi.HttpProtocol,
backlog=128):
"""Initialize, but do not start, a WSGI server.
:param name: Pretty name for logging.
:param app: The WSGI application to serve.
:param host: IP address to serve the application.
:param port: Port number to server the application.
:param pool_size: Maximum number of eventlets to spawn concurrently.
:param backlog: Maximum number of queued connections.
:returns: None
:raises: nova.exception.InvalidInput
"""
self.name = name
self.app = app
self._server = None
self._protocol = protocol
self._pool = eventlet.GreenPool(pool_size or self.default_pool_size)
self._logger = logging.getLogger("nova.%s.wsgi.server" % self.name)
self._wsgi_logger = logging.WritableLogger(self._logger)
if backlog < 1:
raise exception.InvalidInput(
reason='The backlog must be more than 1')
self._socket = eventlet.listen((host, port), backlog=backlog)
(self.host, self.port) = self._socket.getsockname()
LOG.info(_("%(name)s listening on %(host)s:%(port)s") % self.__dict__)
def __init__(self, name, app, host='0.0.0.0', port=0, pool_size=None,
protocol=eventlet.wsgi.HttpProtocol, backlog=128,
use_ssl=False, max_url_len=None):
"""Initialize, but do not start, a WSGI server.
:param name: Pretty name for logging.
:param app: The WSGI application to serve.
:param host: IP address to serve the application.
:param port: Port number to server the application.
:param pool_size: Maximum number of eventlets to spawn concurrently.
:param backlog: Maximum number of queued connections.
:param max_url_len: Maximum length of permitted URLs.
:returns: None
:raises: nova.exception.InvalidInput
"""
# Allow operators to customize http requests max header line size.
eventlet.wsgi.MAX_HEADER_LINE = CONF.max_header_line
self.name = name
self.app = app
self._server = None
self._protocol = protocol
self.pool_size = pool_size or self.default_pool_size
self._pool = eventlet.GreenPool(self.pool_size)
self._logger = logging.getLogger("nova.%s.wsgi.server" % self.name)
self._wsgi_logger = logging.WritableLogger(self._logger)
self._use_ssl = use_ssl
self._max_url_len = max_url_len
self.client_socket_timeout = CONF.client_socket_timeout or None
if backlog < 1:
raise exception.InvalidInput(
reason='The backlog must be more than 1')
bind_addr = (host, port)
# TODO(dims): eventlet's green dns/socket module does not actually
# support IPv6 in getaddrinfo(). We need to get around this in the
# future or monitor upstream for a fix
try:
info = socket.getaddrinfo(bind_addr[0],
bind_addr[1],
socket.AF_UNSPEC,
socket.SOCK_STREAM)[0]
family = info[0]
bind_addr = info[-1]
except Exception:
family = socket.AF_INET
try:
self._socket = eventlet.listen(bind_addr, family, backlog=backlog)
except EnvironmentError:
LOG.error(_LE("Could not bind to %(host)s:%(port)s"),
{'host': host, 'port': port})
raise
(self.host, self.port) = self._socket.getsockname()[0:2]
LOG.info(_LI("%(name)s listening on %(host)s:%(port)s"),
{'name': self.name, 'host': self.host, 'port': self.port})
