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# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""Methods for working with eventlet WSGI servers."""
import socket
from oslo_config import cfg
from oslo_service import wsgi
from oslo_utils import netutils
socket_opts = [
cfg.BoolOpt('tcp_keepalive',
default=True,
help="Sets the value of TCP_KEEPALIVE (True/False) for each "
"server socket."),
cfg.IntOpt('tcp_keepalive_interval',
help="Sets the value of TCP_KEEPINTVL in seconds for each "
"server socket. Not supported on OS X."),
cfg.IntOpt('tcp_keepalive_count',
help="Sets the value of TCP_KEEPCNT for each "
"server socket. Not supported on OS X."),
]
CONF = cfg.CONF
CONF.register_opts(socket_opts)
class Server(wsgi.Server):
"""Server class to manage a WSGI server, serving a WSGI application."""
def _set_socket_opts(self, _socket):
_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
# NOTE(praneshp): Call set_tcp_keepalive in oslo to set
# tcp keepalive parameters. Sockets can hang around forever
# without keepalive
netutils.set_tcp_keepalive(_socket,
self.conf.tcp_keepalive,
self.conf.tcp_keepidle,
self.conf.tcp_keepalive_count,
self.conf.tcp_keepalive_interval)
return _socket