Python socket.SOCK_DGRAM属性代码示例

# 需要导入模块: from gevent import socket [as 别名]
# 或者: from gevent.socket import SOCK_DGRAM [as 别名]
def __init__(self,
                 zmq_context,
                 zmq_proxy_xsub_url=ait.SERVER_DEFAULT_XSUB_URL,
                 zmq_proxy_xpub_url=ait.SERVER_DEFAULT_XPUB_URL,
                 **kwargs):

        if 'input' in kwargs and type(kwargs['input'][0]) is int:
            super(PortInputClient, self).__init__(zmq_context,
                                                  zmq_proxy_xsub_url,
                                                  zmq_proxy_xpub_url,
                                                  listener=int(kwargs['input'][0]))
        else:
            raise(ValueError('Input must be port in order to create PortInputClient'))

        # open sub socket
        self.sub = gevent.socket.socket(gevent.socket.AF_INET, gevent.socket.SOCK_DGRAM) 

# 需要导入模块: from gevent import socket [as 别名]
# 或者: from gevent.socket import SOCK_DGRAM [as 别名]
def _new_socket(self):
        self.socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) 

# 需要导入模块: from gevent import socket [as 别名]
# 或者: from gevent.socket import SOCK_DGRAM [as 别名]
def _gethostbyaddr(self, ip_address):
        if PY3:
            if isinstance(ip_address, str):
                ip_address = ip_address.encode('idna')
            elif not isinstance(ip_address, (bytes, bytearray)):
                raise TypeError('Expected es(idna), not %s' % type(ip_address).__name__)
        else:
            if isinstance(ip_address, text_type):
                ip_address = ip_address.encode('ascii')
            elif not isinstance(ip_address, str):
                raise TypeError('Expected string, not %s' % type(ip_address).__name__)

        waiter = Waiter(self.hub)
        try:
            self.ares.gethostbyaddr(waiter, ip_address)
            return waiter.get()
        except InvalidIP:
            result = self._getaddrinfo(ip_address, None, family=AF_UNSPEC, socktype=SOCK_DGRAM)
            if not result:
                raise
            _ip_address = result[0][-1][0]
            if isinstance(_ip_address, text_type):
                _ip_address = _ip_address.encode('ascii')
            if _ip_address == ip_address:
                raise
            waiter.clear()
            self.ares.gethostbyaddr(waiter, _ip_address)
            return waiter.get() 

# 需要导入模块: from gevent import socket [as 别名]
# 或者: from gevent.socket import SOCK_DGRAM [as 别名]
def _getnameinfo(self, sockaddr, flags):
        if not isinstance(flags, int):
            raise TypeError('an integer is required')
        if not isinstance(sockaddr, tuple):
            raise TypeError('getnameinfo() argument 1 must be a tuple')

        address = sockaddr[0]
        if not PY3 and isinstance(address, text_type):
            address = address.encode('ascii')

        if not isinstance(address, string_types):
            raise TypeError('sockaddr[0] must be a string, not %s' % type(address).__name__)

        port = sockaddr[1]
        if not isinstance(port, int):
            raise TypeError('port must be an integer, not %s' % type(port))

        waiter = Waiter(self.hub)
        result = self._getaddrinfo(address, str(sockaddr[1]), family=AF_UNSPEC, socktype=SOCK_DGRAM)
        if not result:
            reraise(*sys.exc_info())
        elif len(result) != 1:
            raise error('sockaddr resolved to multiple addresses')
        family, socktype, proto, name, address = result[0]

        if family == AF_INET:
            if len(sockaddr) != 2:
                raise error("IPv4 sockaddr must be 2 tuple")
        elif family == AF_INET6:
            address = address[:2] + sockaddr[2:]

        self.ares.getnameinfo(waiter, address, flags)
        node, service = waiter.get()
        if service is None:
            service = '0'
        return node, service 

# 需要导入模块: from gevent import socket [as 别名]
# 或者: from gevent.socket import SOCK_DGRAM [as 别名]
def _resolve_special(hostname, family):
    if hostname == '':
        result = getaddrinfo(None, 0, family, SOCK_DGRAM, 0, AI_PASSIVE)
        if len(result) != 1:
            raise error('wildcard resolved to multiple address')
        return result[0][4][0]
    return hostname 

# 需要导入模块: from gevent import socket [as 别名]
# 或者: from gevent.socket import SOCK_DGRAM [as 别名]
def get_ip_address():
    # connecting to a UDP address doesn't send packets
    try: return [(s.connect(('1.1.1.1', 0)), s.getsockname()[0], s.close()) for s in [socket(AF_INET, SOCK_DGRAM)]][0][1]
    except:
       logger.error('Network is unreachable')
       sys.exit() 

# 需要导入模块: from gevent import socket [as 别名]
# 或者: from gevent.socket import SOCK_DGRAM [as 别名]
def _get_local_ip():
    s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
    try:
        # doesn't even have to be reachable
        s.connect(('10.255.255.255', 1))
        ip = s.getsockname()[0]
    except:
        ip = '127.0.0.1'
    finally:
        s.close()
    return IPv4Address(ip) 

# 需要导入模块: from gevent import socket [as 别名]
# 或者: from gevent.socket import SOCK_DGRAM [as 别名]
def _lookup_port(self, port, socktype):
        socktypes = []
        if isinstance(port, string_types):
            try:
                port = int(port)
            except ValueError:
                try:
                    if socktype == 0:
                        origport = port
                        try:
                            port = getservbyname(port, 'tcp')
                            socktypes.append(SOCK_STREAM)
                        except error:
                            port = getservbyname(port, 'udp')
                            socktypes.append(SOCK_DGRAM)
                        else:
                            try:
                                if port == getservbyname(origport, 'udp'):
                                    socktypes.append(SOCK_DGRAM)
                            except error:
                                pass
                    elif socktype == SOCK_STREAM:
                        port = getservbyname(port, 'tcp')
                    elif socktype == SOCK_DGRAM:
                        port = getservbyname(port, 'udp')
                    else:
                        raise gaierror(EAI_SERVICE, 'Servname not supported for ai_socktype')
                except error as ex:
                    if 'not found' in str(ex):
                        raise gaierror(EAI_SERVICE, 'Servname not supported for ai_socktype')
                    else:
                        raise gaierror(str(ex))
                except UnicodeEncodeError:
                    raise error('Int or String expected')
        elif port is None:
            port = 0
        elif isinstance(port, integer_types):
            pass
        else:
            raise error('Int or String expected', port, type(port))
        port = int(port % 65536)
        if not socktypes and socktype:
            socktypes.append(socktype)
        return port, socktypes 

# 需要导入模块: from gevent import socket [as 别名]
# 或者: from gevent.socket import SOCK_DGRAM [as 别名]
def _lookup_port(self, port, socktype):
        # pylint:disable=too-many-branches
        socktypes = []
        if isinstance(port, string_types):
            try:
                port = int(port)
            except ValueError:
                try:
                    if socktype == 0:
                        origport = port
                        try:
                            port = getservbyname(port, 'tcp')
                            socktypes.append(SOCK_STREAM)
                        except error:
                            port = getservbyname(port, 'udp')
                            socktypes.append(SOCK_DGRAM)
                        else:
                            try:
                                if port == getservbyname(origport, 'udp'):
                                    socktypes.append(SOCK_DGRAM)
                            except error:
                                pass
                    elif socktype == SOCK_STREAM:
                        port = getservbyname(port, 'tcp')
                    elif socktype == SOCK_DGRAM:
                        port = getservbyname(port, 'udp')
                    else:
                        raise gaierror(EAI_SERVICE, 'Servname not supported for ai_socktype')
                except error as ex:
                    if 'not found' in str(ex):
                        raise gaierror(EAI_SERVICE, 'Servname not supported for ai_socktype')
                    else:
                        raise gaierror(str(ex))
                except UnicodeEncodeError:
                    raise error('Int or String expected')
        elif port is None:
            port = 0
        elif isinstance(port, integer_types):
            pass
        else:
            raise error('Int or String expected', port, type(port))
        port = int(port % 65536)
        if not socktypes and socktype:
            socktypes.append(socktype)
        return port, socktypes 

# 需要导入模块: from gevent import socket [as 别名]
# 或者: from gevent.socket import SOCK_DGRAM [as 别名]
def _getnameinfo(self, sockaddr, flags):
        if not isinstance(flags, int):
            raise TypeError('an integer is required')
        if not isinstance(sockaddr, tuple):
            raise TypeError('getnameinfo() argument 1 must be a tuple')

        address = sockaddr[0]
        if not PY3 and isinstance(address, text_type):
            address = address.encode('ascii')

        if not isinstance(address, string_types):
            raise TypeError('sockaddr[0] must be a string, not %s' % type(address).__name__)

        port = sockaddr[1]
        if not isinstance(port, int):
            raise TypeError('port must be an integer, not %s' % type(port))

        waiter = Waiter(self.hub)
        result = self._getaddrinfo(address, str(sockaddr[1]), family=AF_UNSPEC, socktype=SOCK_DGRAM)
        if not result:
            reraise(*sys.exc_info())
        elif len(result) != 1:
            raise error('sockaddr resolved to multiple addresses')
        family, _socktype, _proto, _name, address = result[0]

        if family == AF_INET:
            if len(sockaddr) != 2:
                raise error("IPv4 sockaddr must be 2 tuple")
        elif family == AF_INET6:
            address = address[:2] + sockaddr[2:]

        self.ares.getnameinfo(waiter, address, flags)
        node, service = waiter.get()

        if service is None:
            if PY3:
                # ares docs: "If the query did not complete
                # successfully, or one of the values was not
                # requested, node or service will be NULL ". Python 2
                # allows that for the service, but Python 3 raises
                # an error. This is tested by test_socket in py 3.4
                err = gaierror('nodename nor servname provided, or not known')
                err.errno = 8
                raise err
            service = '0'
        return node, service