def set_tcp_keepalive(sock, tcp_keepalive=True, tcp_keepidle=None, tcp_keepalive_interval=None, tcp_keepalive_count=None): """Set values for tcp keepalive parameters This function configures tcp keepalive parameters if users wish to do so. :param tcp_keepalive: Boolean, turn on or off tcp_keepalive. If users are not sure, this should be True, and default values will be used. :param tcp_keepidle: time to wait before starting to send keepalive probes :param tcp_keepalive_interval: time between successive probes, once the initial wait time is over :param tcp_keepalive_count: number of probes to send before the connection is killed """ # NOTE(praneshp): Despite keepalive being a tcp concept, the level is # still SOL_SOCKET. This is a quirk. if isinstance(tcp_keepalive, bool): sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, tcp_keepalive) else: raise TypeError("tcp_keepalive must be a boolean") if not tcp_keepalive: return # These options aren't available in the OS X version of eventlet, # Idle + Count * Interval effectively gives you the total timeout. if tcp_keepidle is not None: if hasattr(socket, 'TCP_KEEPIDLE'): sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPIDLE, tcp_keepidle) else: LOG.warning(_LW('tcp_keepidle not available on your system')) if tcp_keepalive_interval is not None: if hasattr(socket, 'TCP_KEEPINTVL'): sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPINTVL, tcp_keepalive_interval) else: LOG.warning(_LW('tcp_keepintvl not available on your system')) if tcp_keepalive_count is not None: if hasattr(socket, 'TCP_KEEPCNT'): sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPCNT, tcp_keepalive_count) else: LOG.warning(_LW('tcp_keepcnt not available on your system'))
def set_tcp_keepalive(sock, tcp_keepalive=True, tcp_keepidle=None, tcp_keepalive_interval=None, tcp_keepalive_count=None): """Set values for tcp keepalive parameters This function configures tcp keepalive parameters if users wish to do so. :param tcp_keepalive: Boolean, turn on or off tcp_keepalive. If users are not sure, this should be True, and default values will be used. :param tcp_keepidle: time to wait before starting to send keepalive probes :param tcp_keepalive_interval: time between successive probes, once the initial wait time is over :param tcp_keepalive_count: number of probes to send before the connection is killed """ # NOTE(praneshp): Despite keepalive being a tcp concept, the level is # still SOL_SOCKET. This is a quirk. if isinstance(tcp_keepalive, bool): sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, tcp_keepalive) else: raise TypeError("tcp_keepalive must be a boolean") if not tcp_keepalive: return # These options aren't available in the OS X version of eventlet, # Idle + Count * Interval effectively gives you the total timeout. if tcp_keepidle is not None: if hasattr(socket, 'TCP_KEEPIDLE'): sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPIDLE, tcp_keepidle) else: LOG.warning(_LW('tcp_keepidle not available on your system')) if tcp_keepalive_interval is not None: if hasattr(socket, 'TCP_KEEPINTVL'): sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPINTVL, tcp_keepalive_interval) else: LOG.warning(_LW('tcp_keepintvl not available on your system')) if tcp_keepalive_count is not None: if hasattr(socket, 'TCP_KEEPCNT'): sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPCNT, tcp_keepalive_count) else: LOG.warning(_LW('tcp_keepcnt not available on your system'))