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Python lldp.lldp函数代码示例

本文整理汇总了Python中ryu.lib.packet.lldp.lldp函数的典型用法代码示例。如果您正苦于以下问题:Python lldp函数的具体用法?Python lldp怎么用?Python lldp使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。


在下文中一共展示了lldp函数的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: send_lldp_packet

    def send_lldp_packet(self, datapath, port_no, hw_addr):
        ofp = datapath.ofproto
        pkt = packet.Packet()
        pkt.add_protocol(ethernet.ethernet(ethertype=ether_types.ETH_TYPE_LLDP, src=hw_addr, dst=lldp.LLDP_MAC_NEAREST_BRIDGE))

        tlv_chassis_id = lldp.ChassisID(subtype=lldp.ChassisID.SUB_LOCALLY_ASSIGNED, chassis_id=self.format_dpid(str(datapath.id)))
        tlv_port_id = lldp.PortID(subtype=lldp.PortID.SUB_LOCALLY_ASSIGNED, port_id=self.format_port(str(port_no)))
        tlv_ttl = lldp.TTL(ttl=10)
        tlv_sysname = lldp.SystemName(system_name=self.SYSTEM_NAME)
        tlv_end = lldp.End()
        tlvs = (tlv_chassis_id, tlv_port_id, tlv_ttl, tlv_sysname, tlv_end)
        pkt.add_protocol(lldp.lldp(tlvs))

        pkt.serialize()

        data = pkt.data
        parser = datapath.ofproto_parser

        actions = []
        dpid = self.format_dpid(str(datapath.id))
        for src in self.mac_to_port[dpid]:
            actions.append(parser.OFPActionSetField(eth_src="00:00:00:00:00:"+self.mac_to_port[dpid][src][-2:]))
            actions.append(parser.OFPActionOutput(port=int(self.mac_to_port[dpid][src])))

        out = parser.OFPPacketOut(datapath=datapath, buffer_id=ofp.OFP_NO_BUFFER, in_port=ofp.OFPP_CONTROLLER, actions=actions, data=data)
        datapath.send_msg(out)
开发者ID:nike1000,项目名称:Lab_code,代码行数:26,代码来源:RYU_APP_v2.py

示例2: lldp_packet

    def lldp_packet(dpid, port_no, dl_addr, ttl):
        pkt = packet.Packet()

        dst = lldp.LLDP_MAC_NEAREST_BRIDGE
        src = dl_addr
        ethertype = ETH_TYPE_LLDP
        eth_pkt = ethernet.ethernet(dst, src, ethertype)
        pkt.add_protocol(eth_pkt)

        tlv_chassis_id = lldp.ChassisID(
            subtype=lldp.ChassisID.SUB_LOCALLY_ASSIGNED,
            chassis_id=(LLDPPacket.CHASSIS_ID_FMT %
                        dpid_to_str(dpid)).encode('ascii'))

        tlv_port_id = lldp.PortID(subtype=lldp.PortID.SUB_PORT_COMPONENT,
                                  port_id=struct.pack(
                                      LLDPPacket.PORT_ID_STR,
                                      port_no))

        tlv_ttl = lldp.TTL(ttl=ttl)
        tlv_end = lldp.End()

        tlvs = (tlv_chassis_id, tlv_port_id, tlv_ttl, tlv_end)
        lldp_pkt = lldp.lldp(tlvs)
        pkt.add_protocol(lldp_pkt)

        pkt.serialize()
        return pkt.data
开发者ID:AsmaSwapna,项目名称:ryu,代码行数:28,代码来源:switches.py

示例3: test_serialize

    def test_serialize(self):
        pkt = packet.Packet()

        dst = lldp.LLDP_MAC_NEAREST_BRIDGE
        src = '00:04:96:1f:a7:26'
        ethertype = ether.ETH_TYPE_LLDP
        eth_pkt = ethernet.ethernet(dst, src, ethertype)
        pkt.add_protocol(eth_pkt)

        tlv_chassis_id = lldp.ChassisID(subtype=lldp.ChassisID.SUB_MAC_ADDRESS,
                                        chassis_id=addrconv.mac.
                                        text_to_bin(src))
        tlv_port_id = lldp.PortID(subtype=lldp.PortID.SUB_INTERFACE_NAME,
                                  port_id=b'1/3')
        tlv_ttl = lldp.TTL(ttl=120)
        tlv_end = lldp.End()
        tlvs = (tlv_chassis_id, tlv_port_id, tlv_ttl, tlv_end)
        lldp_pkt = lldp.lldp(tlvs)
        pkt.add_protocol(lldp_pkt)

        eq_(len(pkt.protocols), 2)

        pkt.serialize()

        # Note: If ethernet frame is less than 60 bytes length,
        # ethernet.ethernet() appends padding to the payload.
        # So, we splits the serialized data to compare.
        data_len = len(self.data)
        pkt_data_lldp = pkt.data[:data_len]
        pkt_data_pad = pkt.data[data_len:]
        eq_(b'\x00' * (60 - data_len), pkt_data_pad)

        eq_(self.data, pkt_data_lldp)
开发者ID:5g-empower,项目名称:empower-ryu,代码行数:33,代码来源:test_lldp.py

示例4: send_lldp_packet

    def send_lldp_packet(self, datapath, port_no, hw_addr):
        ofproto = datapath.ofproto
        parser = datapath.ofproto_parser

        pkt = packet.Packet()
        pkt.add_protocol(ethernet.ethernet(ethertype = ether_types.ETH_TYPE_LLDP, src = hw_addr, dst = lldp.LLDP_MAC_NEAREST_BRIDGE))

        tlv_chassis_id = lldp.ChassisID(subtype = self.LLDP_FORMAT['chassis_subtype'], chassis_id = str(datapath.id))
        tlv_port_id = lldp.PortID(subtype = self.LLDP_FORMAT['port_subtype'], port_id = str(port_no))
        #tlv_port_id = lldp.PortID(subtype = self.LLDP_FORMAT['port_subtype'], port_id = '0')
        tlv_ttl = lldp.TTL(ttl = 10)
        tlv_sysname = lldp.SystemName(system_name = self.SYSTEM_NAME)
        tlv_end = lldp.End()
        tlvs = (tlv_chassis_id, tlv_port_id, tlv_ttl, tlv_sysname, tlv_end)
        pkt.add_protocol(lldp.lldp(tlvs))
        pkt.serialize()

        actions = []
        #actions = [parser.OFPActionOutput(port=ofproto.OFPP_FLOOD)]

        for src in self.mac_to_port[str(datapath.id)]:
            actions.append(parser.OFPActionSetField(eth_src=src))
            actions.append(parser.OFPActionOutput(port=int(self.mac_to_port[str(datapath.id)][src])))
        #actions.append(parser.OFPActionOutput(port = ofproto.OFPP_FLOOD))

        #actions = [parser.OFPActionOutput(port=port_no)]
        out = parser.OFPPacketOut(datapath = datapath, buffer_id = ofproto.OFP_NO_BUFFER, in_port = ofproto.OFPP_CONTROLLER, actions = actions, data = pkt.data)
        datapath.send_msg(out)
开发者ID:nike1000,项目名称:Lab_code,代码行数:28,代码来源:Generic_Agent_CHT.py

示例5: test_to_string

    def test_to_string(self):
        chassis_id = lldp.ChassisID(subtype=lldp.ChassisID.SUB_MAC_ADDRESS,
                                    chassis_id=b'\x00\x04\x96\x1f\xa7\x26')
        port_id = lldp.PortID(subtype=lldp.PortID.SUB_INTERFACE_NAME,
                              port_id='1/3')
        ttl = lldp.TTL(ttl=120)
        end = lldp.End()
        tlvs = (chassis_id, port_id, ttl, end)
        lldp_pkt = lldp.lldp(tlvs)

        chassis_id_values = {'subtype': lldp.ChassisID.SUB_MAC_ADDRESS,
                             'chassis_id': b'\x00\x04\x96\x1f\xa7\x26',
                             'len': chassis_id.len,
                             'typelen': chassis_id.typelen}
        _ch_id_str = ','.join(['%s=%s' % (k, repr(chassis_id_values[k]))
                               for k, v in inspect.getmembers(chassis_id)
                               if k in chassis_id_values])
        tlv_chassis_id_str = '%s(%s)' % (lldp.ChassisID.__name__, _ch_id_str)

        port_id_values = {'subtype': port_id.subtype,
                          'port_id': port_id.port_id,
                          'len': port_id.len,
                          'typelen': port_id.typelen}
        _port_id_str = ','.join(['%s=%s' % (k, repr(port_id_values[k]))
                                 for k, v in inspect.getmembers(port_id)
                                 if k in port_id_values])
        tlv_port_id_str = '%s(%s)' % (lldp.PortID.__name__, _port_id_str)

        ttl_values = {'ttl': ttl.ttl,
                      'len': ttl.len,
                      'typelen': ttl.typelen}
        _ttl_str = ','.join(['%s=%s' % (k, repr(ttl_values[k]))
                             for k, v in inspect.getmembers(ttl)
                             if k in ttl_values])
        tlv_ttl_str = '%s(%s)' % (lldp.TTL.__name__, _ttl_str)

        end_values = {'len': end.len,
                      'typelen': end.typelen}
        _end_str = ','.join(['%s=%s' % (k, repr(end_values[k]))
                             for k, v in inspect.getmembers(end)
                             if k in end_values])
        tlv_end_str = '%s(%s)' % (lldp.End.__name__, _end_str)

        _tlvs_str = '(%s, %s, %s, %s)'
        tlvs_str = _tlvs_str % (tlv_chassis_id_str,
                                tlv_port_id_str,
                                tlv_ttl_str,
                                tlv_end_str)

        _lldp_str = '%s(tlvs=%s)'
        lldp_str = _lldp_str % (lldp.lldp.__name__,
                                tlvs_str)

        eq_(str(lldp_pkt), lldp_str)
        eq_(repr(lldp_pkt), lldp_str)
开发者ID:StephenKing,项目名称:summerschool-2015-ryu,代码行数:55,代码来源:test_lldp.py

示例6: create_lldp

def create_lldp(dpid, port_no=1):
    '''
    Creates an LLDP broadcast packet

    :param dpid: 64bit switch id
    :type dpid: int

    :param port_no: port number
    :type port_no: int

    :returns: binary representation of LLDP packet
    :rtype: `bytearray`
    '''

    pkt = packet.Packet()
    dst = 'FF:FF:FF:FF:FF:FF'
    ethertype = ether.ETH_TYPE_LLDP
    eth_pkt = ethernet.ethernet(dst, dpid, ethertype)
    pkt.add_protocol(eth_pkt)
    tlv_chassis_id = lldp.ChassisID(subtype=lldp.ChassisID.SUB_MAC_ADDRESS,
                                    chassis_id=haddr_to_bin(dpid))

    tlv_port_id = lldp.PortID(subtype=lldp.PortID.SUB_INTERFACE_NAME,
                              port_id=str(port_no))
    tlv_ttl = lldp.TTL(ttl=2)
    tlv_end = lldp.End()
    tlvs = (tlv_chassis_id, tlv_port_id, tlv_ttl, tlv_end)
    lldp_pkt = lldp.lldp(tlvs)
    pkt.add_protocol(lldp_pkt)
    pkt.serialize()
    data = pkt.data
    return data
开发者ID:nooruddin,项目名称:sdn-fabric,代码行数:32,代码来源:packet.py

示例7: create_lldp

def create_lldp(dpid, port_no=ofp.OFPP_FLOOD):
    '''
    Create an LLDP broadcast packet.

    :param dpid: 64bit switch id
    :type dpid: int

    :param port_no: port number
    :type port_no: int

    :returns: binary representation of LLDP packet
    :rtype: `bytearray`
    '''

    pkt = packet.Packet()  # creating empty pkt
    dst = lldp.LLDP_MAC_NEAREST_BRIDGE  # Singlehop LLDP multicast
    src = flows.int_to_mac(dpid)
    ethertype = ethertypes.ETH_TYPE_LLDP
    eth_pkt = ethernet.ethernet(dst, src, ethertype)
    pkt.add_protocol(eth_pkt)  # Adding Ethernet
    tlvs = (lldp.ChassisID(subtype=lldp.ChassisID.SUB_LOCALLY_ASSIGNED,
                           chassis_id=hex(dpid)),
            lldp.PortID(subtype=lldp.PortID.SUB_INTERFACE_NAME,
                        port_id=hex(port_no)),
            lldp.TTL(ttl=1),
            lldp.End())
    lldp_pkt = lldp.lldp(tlvs)
    pkt.add_protocol(lldp_pkt)  # Adding llDP
    pkt.serialize()
    return pkt.data
开发者ID:illotum,项目名称:sdn-fabric,代码行数:30,代码来源:packet.py

示例8: test_json

 def test_json(self):
     chassis_id = lldp.ChassisID(subtype=lldp.ChassisID.SUB_MAC_ADDRESS,
                                 chassis_id=b'\x00\x01\x30\xf9\xad\xa0')
     port_id = lldp.PortID(subtype=lldp.PortID.SUB_INTERFACE_NAME,
                           port_id='1/1')
     ttl = lldp.TTL(ttl=120)
     port_desc = lldp.PortDescription(
         port_description=b'Summit300-48-Port 1001\x00')
     sys_name = lldp.SystemName(system_name=b'Summit300-48\x00')
     sys_desc = lldp.SystemDescription(
         system_description=b'Summit300-48 - Version 7.4e.1 (Build 5) '
                            + b'by Release_Master 05/27/05 04:53:11\x00')
     sys_cap = lldp.SystemCapabilities(
         subtype=lldp.ChassisID.SUB_CHASSIS_COMPONENT,
         system_cap=0x14,
         enabled_cap=0x14)
     man_addr = lldp.ManagementAddress(
         addr_subtype=0x06, addr=b'\x00\x01\x30\xf9\xad\xa0',
         intf_subtype=0x02, intf_num=1001,
         oid='')
     org_spec = lldp.OrganizationallySpecific(
         oui=b'\x00\x12\x0f', subtype=0x02, info=b'\x07\x01\x00')
     end = lldp.End()
     tlvs = (chassis_id, port_id, ttl, port_desc, sys_name,
             sys_desc, sys_cap, man_addr, org_spec, end)
     lldp1 = lldp.lldp(tlvs)
     jsondict = lldp1.to_jsondict()
     lldp2 = lldp.lldp.from_jsondict(jsondict['lldp'])
     eq_(str(lldp1), str(lldp2))
开发者ID:StephenKing,项目名称:summerschool-2015-ryu,代码行数:29,代码来源:test_lldp.py

示例9: test_serialize_without_ethernet

    def test_serialize_without_ethernet(self):
        tlv_chassis_id = lldp.ChassisID(subtype=lldp.ChassisID.SUB_MAC_ADDRESS,
                                        chassis_id=b'\x00\x04\x96\x1f\xa7\x26')
        tlv_port_id = lldp.PortID(subtype=lldp.PortID.SUB_INTERFACE_NAME,
                                  port_id='1/3')
        tlv_ttl = lldp.TTL(ttl=120)
        tlv_end = lldp.End()
        tlvs = (tlv_chassis_id, tlv_port_id, tlv_ttl, tlv_end)
        lldp_pkt = lldp.lldp(tlvs)

        eq_(lldp_pkt.serialize(None, None),
            self.data[ethernet.ethernet._MIN_LEN:])
开发者ID:StephenKing,项目名称:summerschool-2015-ryu,代码行数:12,代码来源:test_lldp.py

示例10: test_serialize

    def test_serialize(self):
        pkt = packet.Packet()

        dst = lldp.LLDP_MAC_NEAREST_BRIDGE
        src = '00:01:30:f9:ad:a0'
        ethertype = ether.ETH_TYPE_LLDP
        eth_pkt = ethernet.ethernet(dst, src, ethertype)
        pkt.add_protocol(eth_pkt)

        tlv_chassis_id = lldp.ChassisID(subtype=lldp.ChassisID.SUB_MAC_ADDRESS,
                                        chassis_id=addrconv.mac.
                                        text_to_bin(src))
        tlv_port_id = lldp.PortID(subtype=lldp.PortID.SUB_INTERFACE_NAME,
                                  port_id='1/1')
        tlv_ttl = lldp.TTL(ttl=120)
        tlv_port_description = lldp.PortDescription(
            port_description=b'Summit300-48-Port 1001\x00')
        tlv_system_name = lldp.SystemName(system_name=b'Summit300-48\x00')
        tlv_system_description = lldp.SystemDescription(
            system_description=b'Summit300-48 - Version 7.4e.1 (Build 5) '
                               + b'by Release_Master 05/27/05 04:53:11\x00')
        tlv_system_capabilities = lldp.SystemCapabilities(
            subtype=lldp.ChassisID.SUB_CHASSIS_COMPONENT,
            system_cap=0x14,
            enabled_cap=0x14)
        tlv_management_address = lldp.ManagementAddress(
            addr_subtype=0x06, addr=b'\x00\x01\x30\xf9\xad\xa0',
            intf_subtype=0x02, intf_num=1001,
            oid='')
        tlv_organizationally_specific = lldp.OrganizationallySpecific(
            oui=b'\x00\x12\x0f', subtype=0x02, info=b'\x07\x01\x00')
        tlv_end = lldp.End()
        tlvs = (tlv_chassis_id, tlv_port_id, tlv_ttl, tlv_port_description,
                tlv_system_name, tlv_system_description,
                tlv_system_capabilities, tlv_management_address,
                tlv_organizationally_specific, tlv_end)
        lldp_pkt = lldp.lldp(tlvs)
        pkt.add_protocol(lldp_pkt)

        eq_(len(pkt.protocols), 2)

        pkt.serialize()

        # self.data has many organizationally specific TLVs
        data = str(pkt.data[:-2])
        eq_(data, self.data[:len(data)])
开发者ID:StephenKing,项目名称:summerschool-2015-ryu,代码行数:46,代码来源:test_lldp.py

示例11: send_lldp_packet

    def send_lldp_packet(self, datapath, port_no, hw_addr):
        ofp = datapath.ofproto
        pkt = packet.Packet()
        pkt.add_protocol(ethernet.ethernet(ethertype=ether_types.ETH_TYPE_LLDP,src=hw_addr ,dst=lldp.LLDP_MAC_NEAREST_BRIDGE))
        
        tlv_chassis_id = lldp.ChassisID(subtype=lldp.ChassisID.SUB_LOCALLY_ASSIGNED, chassis_id=str(datapath.id))
        tlv_port_id = lldp.PortID(subtype=lldp.PortID.SUB_LOCALLY_ASSIGNED, port_id=str(port_no))
        tlv_ttl = lldp.TTL(ttl=10)
        tlv_end = lldp.End()
        tlvs = (tlv_chassis_id, tlv_port_id, tlv_ttl, tlv_end)
        pkt.add_protocol(lldp.lldp(tlvs))
        pkt.serialize()

        data = pkt.data
        parser = datapath.ofproto_parser
        actions = [parser.OFPActionOutput(port=port_no)]
        out = parser.OFPPacketOut(datapath=datapath, buffer_id=ofp.OFP_NO_BUFFER, in_port=ofp.OFPP_CONTROLLER, actions=actions, data=data)
        datapath.send_msg(out)
开发者ID:nike1000,项目名称:Lab_code,代码行数:18,代码来源:hw3_ryuapp.py

示例12: send_lldp_out

	def send_lldp_out(self,p,port_no):
                e=eth.ethernet(dst=lldp.LLDP_MAC_NEAREST_BRIDGE,src=lldp.LLDP_MAC_NEAREST_BRIDGE,ethertype=ether_types.ETH_TYPE_LLDP)
                pkt=packet.Packet()
                pkt.add_protocol(e)
                l=lldp.lldp(tlvs=[
                         lldp.ChassisID(subtype=lldp.ChassisID.SUB_LOCALLY_ASSIGNED,
                                        chassis_id=str(p.id)),
                         lldp.PortID(subtype=lldp.PortID.SUB_LOCALLY_ASSIGNED,
                                     port_id=str(port_no)),
                         lldp.TTL(ttl=5),
                         lldp.End()
                         ])
                pkt.add_protocol(l)
                pkt.serialize()
                data=pkt.data
                print "Sednd LLdp:",p.id,port_no
                out=parser13.OFPPacketOut(datapath=p,buffer_id=ofp13.OFP_NO_BUFFER,in_port=ofp13.OFPP_CONTROLLER,actions=[parser13.OFPActionOutput(port_no)],data=data)
                p.send_msg(out)
开发者ID:gu9,项目名称:mycontroller,代码行数:18,代码来源:saini2.py

示例13: lldp_packet

    def lldp_packet(dpid, port_no,
                    dl_addr, ttl, vport_no=ofproto_v1_0.OFPP_NONE):
        pkt = packet.Packet()

        dst = lldp.LLDP_MAC_NEAREST_BRIDGE
        src = dl_addr
        ethertype = ETH_TYPE_LLDP
        eth_pkt = ethernet.ethernet(dst, src, ethertype)
        pkt.add_protocol(eth_pkt)

        tlv_chassis_id = lldp.ChassisID(
            subtype=lldp.ChassisID.SUB_LOCALLY_ASSIGNED,
            chassis_id=LLDPPacket.CHASSIS_ID_FMT %
            dpid_to_str(dpid))

        tlv_port_id = lldp.PortID(subtype=lldp.PortID.SUB_PORT_COMPONENT,
                                  port_id=struct.pack(
                                      LLDPPacket.PORT_ID_STR,
                                      port_no))

        tlv_ttl = lldp.TTL(ttl=ttl)
        tlv_end = lldp.End()

        tlvs = (tlv_chassis_id, tlv_port_id, tlv_ttl, tlv_end)
        # Add LLDPDU for OXP.
        if CONF.oxp_role is not None:
            tlv_domain_id = lldp.DomainID(
                subtype=lldp.DomainID.SUB_LOCALLY_ASSIGNED,
                domain_id=LLDPPacket.DOMAIN_ID_FMT %
                dpid_to_str(CONF.oxp_domain_id))

            tlv_vport_id = lldp.VPortID(
                subtype=lldp.VPortID.SUB_PORT_COMPONENT,
                vport_id=struct.pack(
                    LLDPPacket.VPORT_ID_STR, vport_no))

            tlvs = (tlv_chassis_id, tlv_port_id, tlv_ttl,
                    tlv_domain_id, tlv_vport_id, tlv_end)

        lldp_pkt = lldp.lldp(tlvs)
        pkt.add_protocol(lldp_pkt)

        pkt.serialize()
        return pkt.data
开发者ID:Jasonlyt,项目名称:ryu,代码行数:44,代码来源:switches.py

示例14: lldp_beacon

def lldp_beacon(eth_src, chassis_id, port_id, ttl, org_tlvs=None,
                system_name=None, port_descr=None):
    """Return an LLDP frame suitable for a host/access port.

    Args:
        eth_src (str): source Ethernet MAC address.
        chassis_id (str): Chassis ID.
        port_id (int): port ID,
        TTL (int): TTL for payload.
        org_tlvs (list): list of tuples of (OUI, subtype, info).
    Returns:
        ryu.lib.packet.ethernet: Ethernet packet with header.
    """
    pkt = build_pkt_header(
        None, eth_src, lldp.LLDP_MAC_NEAREST_BRIDGE, valve_of.ether.ETH_TYPE_LLDP)
    tlvs = [
        lldp.ChassisID(
            subtype=lldp.ChassisID.SUB_MAC_ADDRESS,
            chassis_id=addrconv.mac.text_to_bin(chassis_id)),
        lldp.PortID(
            subtype=lldp.PortID.SUB_INTERFACE_NAME,
            port_id=str(port_id).encode('utf-8')),
        lldp.TTL(
            ttl=ttl)
    ]
    for tlv, info_name, info in (
            (lldp.SystemName, 'system_name', system_name),
            (lldp.PortDescription, 'port_description', port_descr)):
        if info is not None:
            info_args = {info_name: info.encode('UTF-8')}
            tlvs.append(tlv(**info_args))
    if org_tlvs is not None:
        for tlv_oui, tlv_subtype, tlv_info in org_tlvs:
            tlvs.append(
                lldp.OrganizationallySpecific(
                    oui=tlv_oui,
                    subtype=tlv_subtype,
                    info=tlv_info))
    tlvs.append(lldp.End())
    lldp_pkt = lldp.lldp(tlvs)
    pkt.add_protocol(lldp_pkt)
    pkt.serialize()
    return pkt
开发者ID:trungdtbk,项目名称:faucet,代码行数:43,代码来源:valve_packet.py

示例15: lldp_packet

    def lldp_packet(dpid, port_no, dl_addr, ttl, vlan_vid):
	# by jesse : add vlan
        if vlan_vid != VLANID_NONE:
	    ether_proto = ETH_TYPE_8021Q
	    pcp = 0
	    cfi = 0
	    vlan_ether = ETH_TYPE_LLDP
	    v = vlan.vlan(pcp, cfi, vlan_vid, vlan_ether)

	    dst = lldp.LLDP_MAC_NEAREST_BRIDGE
	    src = dl_addr
	    pkt = packet.Packet()
	    e = ethernet.ethernet(dst, src, ether_proto)
	    pkt.add_protocol(e)
	    pkt.add_protocol(v)
	else:
            pkt = packet.Packet()
            dst = lldp.LLDP_MAC_NEAREST_BRIDGE
            src = dl_addr
            ethertype = ETH_TYPE_LLDP
            eth_pkt = ethernet.ethernet(dst, src, ethertype)
            pkt.add_protocol(eth_pkt)

        tlv_chassis_id = lldp.ChassisID(
            subtype=lldp.ChassisID.SUB_LOCALLY_ASSIGNED,
            chassis_id=LLDPPacket.CHASSIS_ID_FMT %
            dpid_to_str(dpid))

        tlv_port_id = lldp.PortID(subtype=lldp.PortID.SUB_PORT_COMPONENT,
                                  port_id=struct.pack(
                                      LLDPPacket.PORT_ID_STR,
                                      port_no))

        tlv_ttl = lldp.TTL(ttl=ttl)
        tlv_end = lldp.End()

        tlvs = (tlv_chassis_id, tlv_port_id, tlv_ttl, tlv_end)
        lldp_pkt = lldp.lldp(tlvs)
        pkt.add_protocol(lldp_pkt)

        pkt.serialize()
        return pkt.data
开发者ID:linuxxunil,项目名称:ys-ryu,代码行数:42,代码来源:ys_switches.py


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