| /* |
| * Copyright 2019-present Open Networking Foundation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.opencord.bng.packets; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.onlab.packet.Deserializer; |
| import org.onlab.packet.PacketTestUtils; |
| |
| import java.nio.ByteBuffer; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| public class PppoeTest { |
| private Deserializer<Pppoe> deserializer; |
| |
| private byte versionAndType = 0x11; |
| private byte code = 0x9; |
| private byte codeSession = 0x0; |
| private short sessionId = 0x0102; |
| private short payloadLength = 0; |
| |
| private byte[] padding = new byte[]{0x0, 0x0, 0x0}; |
| |
| private byte[] bytesDisc; |
| private byte[] bytesPadded; |
| private byte[] bytesSession; |
| |
| @Before |
| public void setUp() throws Exception { |
| deserializer = Pppoe.deserializer(); |
| ByteBuffer bb = ByteBuffer.allocate(Pppoe.HEADER_LENGTH); |
| |
| bb.put(versionAndType); |
| bb.put(code); |
| bb.putShort(sessionId); |
| bb.putShort(payloadLength); |
| |
| bytesDisc = bb.array(); |
| ByteBuffer bbPadded = ByteBuffer.allocate(Pppoe.HEADER_LENGTH + 3); |
| |
| bbPadded.put(versionAndType); |
| bbPadded.put(code); |
| bbPadded.putShort(sessionId); |
| bbPadded.putShort(payloadLength); |
| bbPadded.put(padding); |
| |
| bytesPadded = bbPadded.array(); |
| |
| ByteBuffer bbSession = ByteBuffer.allocate(Pppoe.HEADER_LENGTH + 2); |
| |
| bbSession.put(versionAndType); |
| bbSession.put(codeSession); |
| bbSession.putShort(sessionId); |
| bbSession.putShort((short) (payloadLength + 2)); |
| bbSession.putShort(PppProtocolType.LCP.code()); |
| |
| bytesSession = bbSession.array(); |
| } |
| |
| @Test |
| public void testDeserializeBadInput() throws Exception { |
| PacketTestUtils.testDeserializeBadInput(deserializer); |
| } |
| |
| @Test |
| public void testDeserializeTruncated() throws Exception { |
| PacketTestUtils.testDeserializeTruncated(deserializer, bytesDisc); |
| } |
| |
| /** |
| * Tests deserialize and getters. |
| */ |
| @Test |
| public void testDeserializeDiscovery() throws Exception { |
| Pppoe pppoe = deserializer.deserialize(bytesDisc, 0, bytesDisc.length); |
| |
| assertEquals(versionAndType, (pppoe.getVersion() << 4) | pppoe.getTypeId()); |
| assertEquals(code, pppoe.getPacketType().code()); |
| assertEquals(sessionId, pppoe.getSessionId()); |
| assertEquals(payloadLength, pppoe.getPayloadLength()); |
| } |
| |
| /** |
| * Tests deserialize with padded packet. |
| */ |
| @Test |
| public void testDeserializePadded() throws Exception { |
| Pppoe pppoe = deserializer.deserialize(bytesPadded, 0, bytesPadded.length); |
| |
| assertEquals(versionAndType, (pppoe.getVersion() << 4) | pppoe.getTypeId()); |
| assertEquals(code, pppoe.getPacketType().code()); |
| assertEquals(sessionId, pppoe.getSessionId()); |
| assertEquals(payloadLength, pppoe.getPayloadLength()); |
| } |
| |
| /** |
| * Tests deserialize of PPPoE session packets. |
| */ |
| @Test |
| public void testDeserializeSession() throws Exception { |
| Pppoe pppoe = deserializer.deserialize(bytesSession, 0, bytesSession.length); |
| |
| assertEquals(versionAndType, (pppoe.getVersion() << 4) | pppoe.getTypeId()); |
| assertEquals(codeSession, pppoe.getPacketType().code()); |
| assertEquals(sessionId, pppoe.getSessionId()); |
| assertEquals(payloadLength + 2, pppoe.getPayloadLength()); |
| assertEquals(PppProtocolType.LCP.code(), pppoe.getPppProtocol()); |
| } |
| } |