Python socket.TCP_KEEPCNT屬性代碼示例

# 需要導入模塊: import socket [as 別名]
# 或者: from socket import TCP_KEEPCNT [as 別名]
def start(self):
		family, socktype, proto, _, sockaddr = socket.getaddrinfo(self.host, self.port, self.family, self.type)[0]

		sock = socket.socket(family, socktype)
		sock.connect(sockaddr)

		if self.nodelay:
			sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)

		if self.keepalive:
			sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)

		if hasattr(socket, "TCP_KEEPIDLE") and hasattr(socket, "TCP_KEEPINTVL") and hasattr(socket, "TCP_KEEPCNT"):
			sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPIDLE, 1 * 60)
			sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPINTVL, 30)
			sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPCNT, 5)
		elif hasattr(socket, "SIO_KEEPALIVE_VALS"):
			sock.ioctl(socket.SIO_KEEPALIVE_VALS, (1, 1 * 60 * 1000, 5 * 60 * 1000))

		self.sock = sock
		self.recv_count = 0

		Ksecurity().reset_aes() 

# 需要導入模塊: import socket [as 別名]
# 或者: from socket import TCP_KEEPCNT [as 別名]
def _connect(cls, host, port, family = socket.AF_INET, socktype = socket.SOCK_STREAM,
            proto = 0, timeout = 3, nodelay = False, keepalive = False):
        family, socktype, proto, _, sockaddr = socket.getaddrinfo(host, port, family, 
            socktype, proto)[0]
        s = socket.socket(family, socktype, proto)
        s.settimeout(timeout)
        s.connect(sockaddr)
        if nodelay:
            s.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
        if keepalive:
            s.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
            # Linux specific: after 10 idle minutes, start sending keepalives every 5 minutes. 
            # Drop connection after 10 failed keepalives
            if hasattr(socket, "TCP_KEEPIDLE") and hasattr(socket, "TCP_KEEPINTVL") and hasattr(socket, "TCP_KEEPCNT"):
                s.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPIDLE, 10 * 60)
                s.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPINTVL, 5 * 60)
                s.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPCNT, 10)    
        return s 

# 需要導入模塊: import socket [as 別名]
# 或者: from socket import TCP_KEEPCNT [as 別名]
def test_connect_tcp_keepalive_options(event_loop):
    conn = Connection(
        loop=event_loop,
        socket_keepalive=True,
        socket_keepalive_options={
            socket.TCP_KEEPIDLE: 1,
            socket.TCP_KEEPINTVL: 1,
            socket.TCP_KEEPCNT: 3,
        },
    )
    await conn._connect()
    sock = conn._writer.transport.get_extra_info('socket')
    assert sock.getsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE) == 1
    for k, v in (
        (socket.TCP_KEEPIDLE, 1),
        (socket.TCP_KEEPINTVL, 1),
        (socket.TCP_KEEPCNT, 3),
    ):
        assert sock.getsockopt(socket.SOL_TCP, k) == v
    conn.disconnect() 

# 需要導入模塊: import socket [as 別名]
# 或者: from socket import TCP_KEEPCNT [as 別名]
def __init__(self, **kwargs):
        socket_options = kwargs.pop('socket_options',
                                    SocketOptionsAdapter.default_options)
        idle = kwargs.pop('idle', 60)
        interval = kwargs.pop('interval', 20)
        count = kwargs.pop('count', 5)
        socket_options = socket_options + [
            (socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1),
            (socket.IPPROTO_TCP, socket.TCP_KEEPINTVL, interval),
            (socket.IPPROTO_TCP, socket.TCP_KEEPCNT, count),
        ]

        # NOTE(Ian): Apparently OSX does not have this constant defined, so we
        # set it conditionally.
        if getattr(socket, 'TCP_KEEPIDLE', None) is not None:
            socket_options += [(socket.IPPROTO_TCP, socket.TCP_KEEPIDLE, idle)]

        super(TCPKeepAliveAdapter, self).__init__(
            socket_options=socket_options, **kwargs
        ) 

# 需要導入模塊: import socket [as 別名]
# 或者: from socket import TCP_KEEPCNT [as 別名]
def __init__(self, ip, port, callbacks_info, max_client = 50):
        assert (ip != '')
        skt = socket.socket()
        # Avoid 'Address already in use' error when trying to lanch server
        # again right after shutting it down.
        skt.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        skt.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
        if sys.platform == 'linux':
            skt.setsockopt(socket.SOL_TCP, socket.TCP_KEEPIDLE, 60)
            skt.setsockopt(socket.SOL_TCP, socket.TCP_KEEPCNT, 4)
            skt.setsockopt(socket.SOL_TCP, socket.TCP_KEEPINTVL, 15)
        skt.bind((ip, port))
        skt.listen(max_client)
        self.connections = []
        self.clients = {}
        self.msg_handler = MessageHandler(skt, callbacks_info,
                                          mh_creator = self.client_mh_creator,
                                          mh_remover = self.client_mh_remover)
        self.thread = TaskThread(name='server_recv_loop')
        self.thread.daemon = True

        self.evt_break = threading.Event()
        self.evt_break.clear() 

# 需要導入模塊: import socket [as 別名]
# 或者: from socket import TCP_KEEPCNT [as 別名]
def configure_timeouts(self, loop_wait, retry_timeout, ttl):
        # Normally every loop_wait seconds we should have receive something from the socket.
        # If we didn't received anything after the loop_wait + retry_timeout it is a time
        # to start worrying (send keepalive messages). Finally, the connection should be
        # considered as dead if we received nothing from the socket after the ttl seconds.
        cnt = 3
        idle = int(loop_wait + retry_timeout)
        intvl = max(1, int(float(ttl - idle) / cnt))
        self._api.api_client.rest_client.pool_manager.connection_pool_kw['socket_options'] = [
            (socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1),
            (socket.IPPROTO_TCP, socket.TCP_KEEPIDLE, idle),
            (socket.IPPROTO_TCP, socket.TCP_KEEPINTVL, intvl),
            (socket.IPPROTO_TCP, socket.TCP_KEEPCNT, cnt),
            (socket.IPPROTO_TCP, 18, int(ttl * 1000))  # TCP_USER_TIMEOUT
        ]
        self._request_timeout = (1, retry_timeout / 3.0) 

# 需要導入模塊: import socket [as 別名]
# 或者: from socket import TCP_KEEPCNT [as 別名]
def set_keepalive(sock, after_idle_sec=1, interval_sec=3, max_fails=5):
    """Set TCP keepalive on an open socket.

    It activates after 1 second (after_idle_sec) of idleness,
    then sends a keepalive ping once every 3 seconds (interval_sec),
    and closes the connection after 5 failed ping (max_fails), or 15 seconds
    """
    if hasattr(socket, "SO_KEEPALIVE"):
        sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
    if hasattr(socket, "TCP_KEEPIDLE"):
        sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPIDLE, after_idle_sec)
    if hasattr(socket, "TCP_KEEPINTVL"):
        sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPINTVL, interval_sec)
    if hasattr(socket, "TCP_KEEPCNT"):
        sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPCNT, max_fails) 

# 需要導入模塊: import socket [as 別名]
# 或者: from socket import TCP_KEEPCNT [as 別名]
def _set_socket_options(sock: anyio.SocketStream):
        sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
        if hasattr(socket, "TCP_KEEPIDLE"):
            sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPIDLE, 300)
        elif is_darwin():
            # Darwin specific option
            TCP_KEEPALIVE = 16
            sock.setsockopt(socket.IPPROTO_TCP, TCP_KEEPALIVE, 300)
        if not is_windows():
            sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPINTVL, 30)
            sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPCNT, 5)
        sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1) 

# 需要導入模塊: import socket [as 別名]
# 或者: from socket import TCP_KEEPCNT [as 別名]
def set_keepalive_linux(sock, after_idle_sec=3600, interval_sec=3, max_fails=5):
	"""Set TCP keepalive on an open socket.

	It activates after 3600 seconds (after_idle_sec) of idleness,
	then sends a keepalive ping once every 3 seconds (interval_sec),
	and closes the connection after 5 failed ping (max_fails), or 15 seconds
	"""
	sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
	sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPIDLE, after_idle_sec)
	sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPINTVL, interval_sec)
	sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPCNT, max_fails) 

# 需要導入模塊: import socket [as 別名]
# 或者: from socket import TCP_KEEPCNT [as 別名]
def set_keepalive(sock, interval=40, attempts=5):
    sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
    if hasattr(socket, "TCP_KEEPIDLE"):
        try_setsockopt(sock, socket.IPPROTO_TCP, socket.TCP_KEEPIDLE, interval)
    if hasattr(socket, "TCP_KEEPINTVL"):
        try_setsockopt(sock, socket.IPPROTO_TCP, socket.TCP_KEEPINTVL, interval)
    if hasattr(socket, "TCP_KEEPCNT"):
        try_setsockopt(sock, socket.IPPROTO_TCP, socket.TCP_KEEPCNT, attempts) 

# 需要導入模塊: import socket [as 別名]
# 或者: from socket import TCP_KEEPCNT [as 別名]
def accept_connections(self):
        self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        """ Set TCP keepalive on an open socket.

            It activates after 1 second (after_idle_sec) of idleness,
            then sends a keepalive ping once every 1 seconds (interval_sec),
            and closes the connection after 100 failed ping (max_fails)
        """
        #self.sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
        self.sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        # pylint: disable=no-member
        if hasattr(socket, 'TCP_KEEPIDLE'):
            self.sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPIDLE, 1)
        elif hasattr(socket, 'TCP_KEEPALIVE'):
            self.sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPALIVE, 1)
        if hasattr(socket, 'TCP_KEEPINTVL'):
            self.sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPINTVL, 1)
        if hasattr(socket, 'TCP_KEEPCNT'):
            self.sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPCNT, 100)
        # pylint: enable=no-member
        self.sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, True)
        self.sock.bind((self.bind_addr, self.bind_port))
        self.sock.listen(1)
        logger.info('Listening on {}:{}.'.format(self.bind_addr, self.bind_port))
        try:
            while True:
                conn, addr = self.sock.accept()
                logger.info("Received a connection, creating an ADBConnection.")
                thread = threading.Thread(target=ADBConnection, args=(conn, addr))
                thread.daemon = True
                thread.start()
        except KeyboardInterrupt:
            logger.info('Exiting...')
            self.sock.close()
            if output_writer:
                output_writer.stop() 

# 需要導入模塊: import socket [as 別名]
# 或者: from socket import TCP_KEEPCNT [as 別名]
def _open_connection(self) -> None:
        """
        Opens a connection to the GPSD server and configures the TCP socket.
        """
        self.logger.info(
            f"Connecting to gpsd at {self.connection_args['host']}" +
            (f":{self.connection_args['port']}"
             if self.connection_args['port'] else ''))
        self.reader, self.writer = await asyncio.wait_for(
            asyncio.open_connection(**self.connection_args),
            self.connection_timeout,
            loop=self.loop)
        # Set socket options
        sock = self.writer.get_extra_info('socket')
        if sock is not None:
            if 'SO_KEEPALIVE' in self.alive_opts:
                sock.setsockopt(socket.SOL_SOCKET,
                                socket.SO_KEEPALIVE,
                                self.alive_opts['SO_KEEPALIVE'])
            if hasattr(
                    sock,
                    'TCP_KEEPIDLE') and 'TCP_KEEPIDLE' in self.alive_opts:
                sock.setsockopt(socket.IPPROTO_TCP,
                                socket.TCP_KEEPIDLE,    # pylint: disable=E1101
                                self.alive_opts['TCP_KEEPIDLE'])
            if hasattr(
                    sock,
                    'TCP_KEEPINTVL') and 'TCP_KEEPINTVL' in self.alive_opts:
                sock.setsockopt(socket.IPPROTO_TCP,
                                socket.TCP_KEEPINTVL,   # pylint: disable=E1101
                                self.alive_opts['TCP_KEEPINTVL'])
            if hasattr(
                    sock,
                    'TCP_KEEPCNT') and 'TCP_KEEPCNT' in self.alive_opts:
                sock.setsockopt(socket.IPPROTO_TCP,
                                socket.TCP_KEEPCNT,
                                self.alive_opts['TCP_KEEPCNT']) 

# 需要導入模塊: import socket [as 別名]
# 或者: from socket import TCP_KEEPCNT [as 別名]
def start_socket_client(self, host, port):
        self._sequence = -1
        if SHOW_WRITES_AND_READS:
            print("Connecting to %s:%s" % (host, port))

        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

        #  Set TCP keepalive on an open socket.
        #  It activates after 1 second (TCP_KEEPIDLE,) of idleness,
        #  then sends a keepalive ping once every 3 seconds (TCP_KEEPINTVL),
        #  and closes the connection after 5 failed ping (TCP_KEEPCNT), or 15 seconds
        try:
            from socket import IPPROTO_TCP, SO_KEEPALIVE, TCP_KEEPIDLE, TCP_KEEPINTVL, TCP_KEEPCNT
            s.setsockopt(socket.SOL_SOCKET, SO_KEEPALIVE, 1)
            s.setsockopt(IPPROTO_TCP, TCP_KEEPIDLE, 1)
            s.setsockopt(IPPROTO_TCP, TCP_KEEPINTVL, 3)
            s.setsockopt(IPPROTO_TCP, TCP_KEEPCNT, 5)
        except ImportError:
            pass  # May not be available everywhere.

        # 10 seconds default timeout
        timeout = int(os.environ.get('PYDEVD_CONNECT_TIMEOUT', 10))
        s.settimeout(timeout)
        for _i in range(20):
            try:
                s.connect((host, port))
                break
            except:
                time.sleep(.5)  # We may have to wait a bit more and retry (especially on PyPy).
        s.settimeout(None)  # no timeout after connected
        if SHOW_WRITES_AND_READS:
            print("Connected.")
        self._set_socket(s)
        return s 

# 需要導入模塊: import socket [as 別名]
# 或者: from socket import TCP_KEEPCNT [as 別名]
def connectionMade(self):
        log.msg('Server connected')
        self.factory.di.to_server.get().addCallback(self.dataEnqueued)
        try:
            self.transport.getHandle().setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
            self.transport.getHandle().setsockopt(socket.SOL_TCP, socket.TCP_KEEPIDLE, 30)
            self.transport.getHandle().setsockopt(socket.SOL_TCP, socket.TCP_KEEPINTVL, 1)
            self.transport.getHandle().setsockopt(socket.SOL_TCP, socket.TCP_KEEPCNT, 5)
        except:
            pass 

# 需要導入模塊: import socket [as 別名]
# 或者: from socket import TCP_KEEPCNT [as 別名]
def get_connection(self, database):
        """
        gets a connection to the a psql database

        Args:
            self.password -- the password to the database

        Returns:
            a connection object
        """
        # additional logging to help with connection issues
        boto_config_dict = self.get_boto_config()
        self.log_stream.write_msg('boto', extra_msg=boto_config_dict)
        log_template = "getting connection with host {0} port {1} user {2} db {3}"
        log_msg = log_template.format(self.host, self.port, self.user, database)
        self.log_stream.write_msg('starting', extra_msg=log_msg)

        conn = psycopg2.connect(
            host=self.host,
            port=self.port,
            user=self.user,
            password=self.password,
            database=database,
            sslmode='require')

        self.log_stream.write_msg('finished', extra_msg=log_msg)

        fd = conn.fileno()
        sock = socket.fromfd(fd, socket.AF_INET, socket.SOCK_STREAM)
        sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
        sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPIDLE,
                        self.SECONDS_BEFORE_SENDING_PROBE)
        sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPINTVL,
                        self.SECONDS_BETWEEN_SENDING_PROBE)
        sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPCNT,
                        self.RETRIES_BEFORE_QUIT)

        return conn