Daniele Moro | 94660a0 | 2019-12-02 12:02:07 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2019-present Open Networking Foundation |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package org.opencord.bng; |
| 18 | |
| 19 | import org.onlab.packet.IpAddress; |
| 20 | import org.onlab.packet.MacAddress; |
| 21 | import org.onlab.packet.VlanId; |
| 22 | import org.onosproject.net.ConnectPoint; |
| 23 | |
| 24 | public final class BngUtils { |
| 25 | |
| 26 | private BngUtils() { |
| 27 | |
| 28 | } |
| 29 | |
| 30 | /** |
| 31 | * Extract the BNG attachment key given an event subject. |
| 32 | * |
| 33 | * @param eventInfo The event subsject |
| 34 | * @return BNG attachment ID |
| 35 | */ |
| 36 | public static String calculateBngAttachmentKey(PppoeEventSubject eventInfo) { |
| 37 | return calculateBngAttachmentKey(eventInfo.getOnuSerialNumber(), |
| 38 | eventInfo.getcTag(), eventInfo.getsTag(), |
| 39 | eventInfo.getOltConnectPoint(), eventInfo.getIpAddress(), |
| 40 | eventInfo.getMacAddress()); |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * Extract the BNG attachment key given some of the attachment fields. |
| 45 | * |
| 46 | * @param onuSerialNumber Serial number of the ONU |
| 47 | * @param cTag VLAN C-Tag |
| 48 | * @param sTag VLAN S-Tag |
| 49 | * @param oltConnectPoint The OLT-level connect point |
| 50 | * @param ipAddress The attachment IP address |
| 51 | * @param macAddress The attachment MAC address |
| 52 | * @return The built attachment ID |
| 53 | */ |
| 54 | public static String calculateBngAttachmentKey(String onuSerialNumber, |
| 55 | VlanId cTag, VlanId sTag, |
| 56 | ConnectPoint oltConnectPoint, |
| 57 | IpAddress ipAddress, |
| 58 | MacAddress macAddress) { |
| 59 | return String.join("/", onuSerialNumber, cTag.toString(), |
| 60 | sTag.toString(), oltConnectPoint.toString(), |
| 61 | macAddress.toString() |
| 62 | ); |
| 63 | } |
| 64 | } |