Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 1 | /** |
| 2 | * Copyright (c) 2008 The Board of Trustees of The Leland Stanford Junior |
| 3 | * University |
| 4 | * |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); you may |
| 6 | * not use this file except in compliance with the License. You may obtain |
| 7 | * a copy of the License at |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| 13 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| 14 | * License for the specific language governing permissions and limitations |
| 15 | * under the License. |
| 16 | **/ |
| 17 | |
| 18 | package org.openflow.protocol; |
| 19 | |
| 20 | import java.util.List; |
| 21 | |
| 22 | import junit.framework.TestCase; |
| 23 | |
| 24 | import org.jboss.netty.buffer.ChannelBuffer; |
| 25 | import org.jboss.netty.buffer.ChannelBuffers; |
| 26 | import org.openflow.protocol.OFError.OFErrorType; |
| 27 | import org.openflow.protocol.OFError.OFHelloFailedCode; |
| 28 | import org.openflow.protocol.factory.BasicFactory; |
| 29 | import org.openflow.protocol.factory.MessageParseException; |
| 30 | import org.openflow.protocol.factory.OFMessageFactory; |
| 31 | import org.openflow.util.OFTestCase; |
| 32 | |
| 33 | public class OFErrorTest extends OFTestCase { |
| 34 | public void testWriteRead() throws Exception { |
| 35 | OFError msg = (OFError) messageFactory.getMessage(OFType.ERROR); |
| 36 | msg.setMessageFactory(messageFactory); |
Ray Milkey | ff73514 | 2014-05-22 19:06:02 -0700 | [diff] [blame] | 37 | msg.setErrorType(OFErrorType.OFPET_HELLO_FAILED.getValue()); |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 38 | msg.setErrorCode((short) OFHelloFailedCode.OFPHFC_INCOMPATIBLE |
| 39 | .ordinal()); |
| 40 | ChannelBuffer bb = ChannelBuffers.dynamicBuffer(); |
| 41 | bb.clear(); |
| 42 | msg.writeTo(bb); |
| 43 | msg.readFrom(bb); |
Ray Milkey | ff73514 | 2014-05-22 19:06:02 -0700 | [diff] [blame] | 44 | TestCase.assertEquals(OFErrorType.OFPET_HELLO_FAILED.getValue(), |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 45 | msg.getErrorType()); |
| 46 | TestCase.assertEquals((short) OFHelloFailedCode.OFPHFC_INCOMPATIBLE |
| 47 | .ordinal(), msg.getErrorType()); |
| 48 | TestCase.assertNull(msg.getOffendingMsg()); |
| 49 | |
| 50 | msg.setOffendingMsg(new OFHello()); |
| 51 | bb.clear(); |
| 52 | msg.writeTo(bb); |
| 53 | msg.readFrom(bb); |
Ray Milkey | ff73514 | 2014-05-22 19:06:02 -0700 | [diff] [blame] | 54 | TestCase.assertEquals(OFErrorType.OFPET_HELLO_FAILED.getValue(), |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 55 | msg.getErrorType()); |
| 56 | TestCase.assertEquals((short) OFHelloFailedCode.OFPHFC_INCOMPATIBLE |
| 57 | .ordinal(), msg.getErrorType()); |
| 58 | TestCase.assertNotNull(msg.getOffendingMsg()); |
| 59 | TestCase.assertEquals(OFHello.MINIMUM_LENGTH, |
| 60 | msg.getOffendingMsg().length); |
| 61 | } |
| 62 | |
| 63 | public void testGarbageAtEnd() throws MessageParseException { |
| 64 | // This is a OFError msg (12 bytes), that encaps a OFVendor msg (24 |
| 65 | // bytes) |
| 66 | // AND some zeros at the end (40 bytes) for a total of 76 bytes |
| 67 | // THIS is what an NEC sends in reply to Nox's VENDOR request |
| 68 | byte[] oferrorRaw = { 0x01, 0x01, 0x00, 0x4c, 0x00, 0x00, 0x10, |
| 69 | (byte) 0xcc, 0x00, 0x01, 0x00, 0x01, 0x01, 0x04, 0x00, 0x18, |
| 70 | 0x00, 0x00, 0x10, (byte) 0xcc, 0x00, 0x00, 0x23, 0x20, 0x00, |
| 71 | 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 72 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 73 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 74 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 75 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 76 | 0x00 }; |
| 77 | OFMessageFactory factory = new BasicFactory(); |
| 78 | ChannelBuffer oferrorBuf = |
| 79 | ChannelBuffers.wrappedBuffer(oferrorRaw); |
| 80 | List<OFMessage> msg = factory.parseMessage(oferrorBuf); |
| 81 | TestCase.assertNotNull(msg); |
| 82 | TestCase.assertEquals(msg.size(), 1); |
| 83 | TestCase.assertEquals(76, msg.get(0).getLengthU()); |
| 84 | ChannelBuffer out = ChannelBuffers.dynamicBuffer(); |
| 85 | msg.get(0).writeTo(out); |
| 86 | TestCase.assertEquals(76, out.readableBytes()); |
| 87 | } |
| 88 | } |