def __init__(self, name, app, host=None, port=None, pool_size=None, protocol=eventlet.wsgi.HttpProtocol): """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. :returns: None """ self.name = name self.app = app self._host = host or "0.0.0.0" self._port = port or 0 self._server = None self._socket = None self._protocol = protocol self._pool = eventlet.GreenPool(pool_size or self.default_pool_size) self._logger = logging.getLogger("eventlet.wsgi.server") self._wsgi_logger = logging.WritableLogger(self._logger)
def __init__(self, name, app, host=None, port=None, 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. :returns: None """ # 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._host = host or "0.0.0.0" self._port = port or 0 self._server = None self._socket = None self._protocol = protocol self._pool = eventlet.GreenPool(pool_size or self.default_pool_size) self._logger = logging.getLogger("eventlet.wsgi.server") self._wsgi_logger = logging.WritableLogger(self._logger) if backlog < 1: raise exception.InvalidInput( reason='The backlog must be more than 1') self._socket = self._get_socket(self._host, self._port, backlog=backlog)
def __init__(self, name, app, host=None, port=None, 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. :returns: None """ # 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._host = host or "0.0.0.0" self._port = port or 0 self._server = None self._socket = 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("eventlet.wsgi.server") self._wsgi_logger = logging.WritableLogger(self._logger) 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 cert_file = CONF.ssl_cert_file key_file = CONF.ssl_key_file ca_file = CONF.ssl_ca_file self._use_ssl = cert_file or key_file if cert_file and not os.path.exists(cert_file): raise RuntimeError(_("Unable to find cert_file : %s") % cert_file) if ca_file and not os.path.exists(ca_file): raise RuntimeError(_("Unable to find ca_file : %s") % ca_file) if key_file and not os.path.exists(key_file): raise RuntimeError(_("Unable to find key_file : %s") % key_file) if self._use_ssl and (not cert_file or not key_file): raise RuntimeError( _("When running server in SSL mode, you " "must specify both a cert_file and " "key_file option value in your " "configuration file.")) retry_until = time.time() + 30 while not self._socket and time.time() < retry_until: try: self._socket = eventlet.listen(bind_addr, backlog=backlog, family=family) except socket.error as err: if err.args[0] != errno.EADDRINUSE: raise eventlet.sleep(0.1) if not self._socket: raise RuntimeError( _("Could not bind to %(host)s:%(port)s " "after trying for 30 seconds") % { 'host': host, 'port': port }) (self._host, self._port) = self._socket.getsockname()[0:2] LOG.info( _("%(name)s listening on %(_host)s:%(_port)s") % { 'name': self.name, '_host': self._host, '_port': self._port })