Python socket.IPPROTO_IP属性代码示例

# 需要导入模块: import socket [as 别名]
# 或者: from socket import IPPROTO_IP [as 别名]
def _create_ipv4_sockets(loopback_enabled):
    # Open a multicast send socket, with IP_MULTICAST_LOOP enabled or disabled as requested.
    mcast_address = "224.0.1.195"
    port = 49501
    group = (mcast_address, port)
    txsock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
    txsock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    if loopback_enabled:
        txsock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_LOOP, 1)
    else:
        txsock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_LOOP, 0)
    txsock.connect(group)
    # Open a multicast receive socket and join the group
    rxsock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
    req = struct.pack("=4sl", socket.inet_aton(mcast_address), socket.INADDR_ANY)
    rxsock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, req)
    rxsock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    rxsock.bind(group)
    return (txsock, rxsock) 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import IPPROTO_IP [as 别名]
def _do_dns_lookup(hostname: str, port: int) -> str:
    try:
        addr_infos = socket.getaddrinfo(hostname, port, socket.AF_UNSPEC, socket.IPPROTO_IP)
    except (socket.gaierror, IndexError, ConnectionError):
        raise ServerHostnameCouldNotBeResolved(f"Could not resolve {hostname}")

    family, socktype, proto, canonname, sockaddr = addr_infos[0]

    # By default use the first DNS entry, IPv4 or IPv6
    tentative_ip_addr = sockaddr[0]

    # But try to use IPv4 if we have both IPv4 and IPv6 addresses, to work around buggy networks
    for family, socktype, proto, canonname, sockaddr in addr_infos:
        if family == socket.AF_INET:
            tentative_ip_addr = sockaddr[0]

    return tentative_ip_addr 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import IPPROTO_IP [as 别名]
def run(self, ttl=None):
        if self.DISABLE_SSDP_LISTENER:
            return

        self.allow_reuse_address = True
        SocketServer.UDPServer.__init__(
            self, (self.host or '', self.SSDP_PORT), SSDPHandler)
        self.socket.setsockopt(
            socket.IPPROTO_IP,
            socket.IP_ADD_MEMBERSHIP,
            self._multicast_struct(self.SSDP_ADDRESS))
        self.socket.setsockopt(
            socket.IPPROTO_IP,
            socket.IP_MULTICAST_TTL,
            self.SSDP_TTL)

        if ttl:
            GObject.timeout_add(ttl * 1000, self.shutdown)

        setproctitle.setproctitle('ssdp_listener')
        self.serve_forever(self)
        logger.info('SSDPListener.run()') 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import IPPROTO_IP [as 别名]
def activate_network_interface(iface):
    """Bring up the given network interface.
    @raise OSError: if interface does not exist or permissions are missing
    """
    iface = iface.encode()

    sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_IP)
    try:
        # Get current interface flags from kernel
        ifreq = struct.pack(
            _STRUCT_IFREQ_LAYOUT_IFADDR_SAFAMILY, iface, socket.AF_INET, b"0" * 14
        )
        ifreq = fcntl.ioctl(sock, _SIOCGIFFLAGS, ifreq)
        if_flags = struct.unpack(_STRUCT_IFREQ_LAYOUT_IFFLAGS, ifreq)[1]

        # Set new flags
        ifreq = struct.pack(
            _STRUCT_IFREQ_LAYOUT_IFFLAGS, iface, if_flags | _IFF_UP, b"0" * 14
        )
        fcntl.ioctl(sock, _SIOCSIFFLAGS, ifreq)
    finally:
        sock.close() 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import IPPROTO_IP [as 别名]
def ifconfig(dev, ipaddr, netmask):
    # http://stackoverflow.com/questions/6652384/how-to-set-the-ip-address-from-c-in-linux
    sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_IP)
    AF_INET = socket.AF_INET
    fd = sock.fileno()
    addrbuf = struct.pack('BBBB', *[int(el) for el in ipaddr.split('.')])
    maskbuf = struct.pack('BBBB', *[int(el) for el in netmask.split('.')])
    sockaddr_mt = '16sHH4s'
    flags_mt = '16sH'
    # ADDR
    siocsifaddr = struct.pack(sockaddr_mt, dev, AF_INET, 0, addrbuf)
    fcntl.ioctl(fd, SIOCSIFADDR, siocsifaddr)
    # MASK
    siocsifnetmask = struct.pack(sockaddr_mt, dev, AF_INET, 0, maskbuf)
    fcntl.ioctl(fd, SIOCSIFNETMASK, siocsifnetmask)
    # ifconfig tun0 up
    ifr2 = struct.pack(flags_mt, dev, 0)
    ifr_ret = fcntl.ioctl(fd, SIOCGIFFLAGS, ifr2)
    cur_flags = struct.unpack(flags_mt, ifr_ret)[1]
    flags = cur_flags | (IFF_UP | IFF_RUNNING)
    ifr_ret = struct.pack(flags_mt, dev, flags)
    ifr_ret = fcntl.ioctl(fd, SIOCSIFFLAGS, ifr_ret)
    return 0 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import IPPROTO_IP [as 别名]
def receive(*, group=DEFAULT_GROUP, port=DEFAULT_PORT, timeout=None):
    s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
    try:
        s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        try:
            s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
        except AttributeError:
            # not available on Windows
            pass
        s.bind(('', port))

        s.settimeout(timeout)

        mreq = struct.pack('4sl', socket.inet_aton(group), socket.INADDR_ANY)
        s.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)
        try:
            data, sender_addr = s.recvfrom(4096)
        finally:
            s.setsockopt(socket.IPPROTO_IP, socket.IP_DROP_MEMBERSHIP, mreq)
    finally:
        s.close()
    return data, sender_addr 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import IPPROTO_IP [as 别名]
def __init__(self, summary_table, group=DEFAULT_GROUP, port=DEFAULT_PORT, timeout=None):
        self._dummy_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
        self._socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
        try:
            self._socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
            try:
                self._socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
            except AttributeError:
                # not available on Windows
                pass
            self._socket.bind(('', port))

            self._socket.settimeout(timeout)

            self._mreq = struct.pack('4sl', socket.inet_aton(group), socket.INADDR_ANY)
            self._socket.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, self._mreq)
        except Exception:
            self._dummy_socket.close()
            self._socket.close()
            raise
        self._is_shutdown = False
        self._summary_table = summary_table
        self._group = group
        self._port = port 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import IPPROTO_IP [as 别名]
def _socketpair_compat():
    """TCP/IP socketpair including Windows support"""
    listensock = socket.socket(socket.AF_INET, socket.SOCK_STREAM, socket.IPPROTO_IP)
    listensock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    listensock.bind(("127.0.0.1", 0))
    listensock.listen(1)

    iface, port = listensock.getsockname()
    sock1 = socket.socket(socket.AF_INET, socket.SOCK_STREAM, socket.IPPROTO_IP)
    sock1.setblocking(0)
    try:
        sock1.connect(("localhost", port))
    except socket.error as err:
        if err.errno != errno.EINPROGRESS and err.errno != errno.EWOULDBLOCK and err.errno != EAGAIN:
            raise
    sock2, address = listensock.accept()
    sock2.setblocking(0)
    listensock.close()
    return (sock1, sock2) 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import IPPROTO_IP [as 别名]
def _init_advertiser(self):
        sock = _find_sock()
        sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, struct.pack('@I', 1))
        sock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_LOOP, struct.pack('@I', 1))
        if sock.family == socket.AF_INET6:
            sock.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_LOOP, struct.pack('@I', 1))
        sock.bind(('', self.port))

        addrs = _resolve_addrs(self.addresses, None, self.ignore_unavailable, (sock.family,))

        for fam,to,orig_fam,orig_addr in addrs:
            try:
                _multicast_join_group(sock, orig_fam, orig_addr)
            except socket.error:
                if not self.ignore_unavailable:
                    raise

        self._sock = sock 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import IPPROTO_IP [as 别名]
def check_udp_connectivity(url, timeout=None):
    """Check UDP connectivity."""
    ipaddr, port = url.rsplit(':', 1)
    sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
    sock.settimeout(timeout)
    sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
    sock.bind(('', int(port)))
    mreq = struct.pack("4sl", socket.inet_aton(ipaddr), socket.INADDR_ANY)
    sock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)
    try:
        if sock.recv(10240):
            return True
    except socket.timeout:
        pass
    return False 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import IPPROTO_IP [as 别名]
def test_close(self):
        proc = psutil.Process()
        ip_addresses = {info[4][0] for info in socket.getaddrinfo(
            'example.com', 80, socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_IP
        )}
        self.assertGreater(len(ip_addresses), 0)
        protocol = Protocol(config=Configuration(
            service_endpoint='http://example.com', credentials=Credentials('A', 'B'),
            auth_type=NOAUTH, version=Version(Build(15, 1)), retry_policy=FailFast()
        ))
        session = protocol.get_session()
        session.get('http://example.com')
        self.assertEqual(len({p.raddr[0] for p in proc.connections() if p.raddr[0] in ip_addresses}), 1)
        protocol.release_session(session)
        protocol.close()
        self.assertEqual(len({p.raddr[0] for p in proc.connections() if p.raddr[0] in ip_addresses}), 0) 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import IPPROTO_IP [as 别名]
def _create_mcast_socket(self):
        sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
        sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)

        if self._interface != 'any':
            if platform.system() != "Windows":
                sock.bind((self.MULTICAST_ADDRESS, self.MULTICAST_PORT))
            else:
                sock.bind((self._interface, self.MULTICAST_PORT))

            mreq = socket.inet_aton(self.MULTICAST_ADDRESS) + socket.inet_aton(self._interface)
        else:
            if platform.system() != "Windows":
                sock.bind((self.MULTICAST_ADDRESS, self.MULTICAST_PORT))
            else:
                sock.bind(('', self.MULTICAST_PORT))
            mreq = struct.pack("=4sl", socket.inet_aton(self.MULTICAST_ADDRESS), socket.INADDR_ANY)

        sock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)
        return sock 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import IPPROTO_IP [as 别名]
def __init__(self, config, event_loop):
        main_protocol = MainProtocol(config)
        task = event_loop.create_datagram_endpoint(lambda: main_protocol,
                                                   local_addr=(config['ip'], 9898))
        asyncio.ensure_future(task, loop=event_loop)
        sock = socket.socket(
            socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
        sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        sock.bind(('224.0.0.50', 4321))
        mreq = socket.inet_aton('224.0.0.50') + socket.inet_aton(config['ip'])
        sock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)
        discovery_protocol = DiscoveryProtocol(config, main_protocol)
        task = event_loop.create_datagram_endpoint(lambda: discovery_protocol,
                                                   sock=sock)
        asyncio.ensure_future(task, loop=event_loop)
        self.discovery_protocol = discovery_protocol
        self.main_protocol = main_protocol 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import IPPROTO_IP [as 别名]
def _init_socket(self):
        sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM,
                             socket.IPPROTO_UDP)
        sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        sock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, 10)
        sock.bind((self._root.bind_ip, COAP_PORT))
        if self._root.host_ip:
            mreq = struct.pack("=4s4s",
                               socket.inet_aton(COAP_IP),
                               socket.inet_aton(self._root.host_ip))
        else:
            mreq = struct.pack("=4sl",
                               socket.inet_aton(COAP_IP),
                               socket.INADDR_ANY)
        sock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)
        sock.settimeout(15)
        self._socket = sock 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import IPPROTO_IP [as 别名]
def _socketpair_compat():
    """TCP/IP socketpair including Windows support"""
    listensock = socket.socket(socket.AF_INET, socket.SOCK_STREAM, socket.IPPROTO_IP)
    listensock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    listensock.bind(("127.0.0.1", 0))
    listensock.listen(1)

    iface, port = listensock.getsockname()
    sock1 = socket.socket(socket.AF_INET, socket.SOCK_STREAM, socket.IPPROTO_IP)
    sock1.setblocking(0)
    try:
        sock1.connect(("127.0.0.1", port))
    except socket.error as err:
        if err.errno != errno.EINPROGRESS and err.errno != errno.EWOULDBLOCK and err.errno != EAGAIN:
            raise
    sock2, address = listensock.accept()
    sock2.setblocking(0)
    listensock.close()
    return (sock1, sock2)