Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 1 | /** |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 2 | * Copyright 2011, Big Switch Networks, Inc. |
| 3 | * Originally created by David Erickson, Stanford 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 | **/ |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 17 | |
| 18 | package net.floodlightcontroller.core.util; |
| 19 | |
| 20 | import static org.easymock.EasyMock.createNiceMock; |
| 21 | import static org.easymock.EasyMock.expect; |
| 22 | import static org.easymock.EasyMock.replay; |
| 23 | import static org.easymock.EasyMock.verify; |
| 24 | |
Yuta HIGUCHI | 258e71f | 2014-07-25 12:52:25 -0700 | [diff] [blame] | 25 | import java.io.PrintWriter; |
| 26 | import java.io.StringWriter; |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 27 | import java.util.ArrayList; |
| 28 | import java.util.List; |
| 29 | import java.util.Random; |
| 30 | |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 31 | import net.floodlightcontroller.core.IOFMessageListener; |
| 32 | import net.floodlightcontroller.test.FloodlightTestCase; |
| 33 | |
Jonathan Hart | a88fd24 | 2014-04-03 11:24:54 -0700 | [diff] [blame] | 34 | import org.junit.Test; |
| 35 | import org.openflow.protocol.OFType; |
Yuta HIGUCHI | 258e71f | 2014-07-25 12:52:25 -0700 | [diff] [blame] | 36 | import org.slf4j.Logger; |
| 37 | import org.slf4j.LoggerFactory; |
Jonathan Hart | a88fd24 | 2014-04-03 11:24:54 -0700 | [diff] [blame] | 38 | |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 39 | public class MessageDispatcherTest extends FloodlightTestCase { |
Yuta HIGUCHI | 258e71f | 2014-07-25 12:52:25 -0700 | [diff] [blame] | 40 | private static final Logger log = LoggerFactory.getLogger(MessageDispatcherTest.class); |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 41 | |
| 42 | IOFMessageListener createLMock(String name) { |
| 43 | IOFMessageListener mock = createNiceMock(IOFMessageListener.class); |
| 44 | expect(mock.getName()).andReturn(name).anyTimes(); |
| 45 | return mock; |
| 46 | } |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 47 | |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 48 | void addPrereqs(IOFMessageListener mock, String... deps) { |
| 49 | for (String dep : deps) { |
| 50 | expect(mock.isCallbackOrderingPrereq(OFType.PACKET_IN, dep)).andReturn(true).anyTimes(); |
| 51 | } |
| 52 | } |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 53 | |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 54 | void testOrdering(ArrayList<IOFMessageListener> inputListeners) { |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 55 | ListenerDispatcher<OFType, IOFMessageListener> ld = |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 56 | new ListenerDispatcher<OFType, IOFMessageListener>(); |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 57 | |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 58 | for (IOFMessageListener l : inputListeners) { |
| 59 | ld.addListener(OFType.PACKET_IN, l); |
| 60 | } |
| 61 | for (IOFMessageListener l : inputListeners) { |
| 62 | verify(l); |
| 63 | } |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 64 | |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 65 | List<IOFMessageListener> result = ld.getOrderedListeners(); |
Yuta HIGUCHI | 258e71f | 2014-07-25 12:52:25 -0700 | [diff] [blame] | 66 | StringWriter sw = new StringWriter(); |
| 67 | PrintWriter out = new PrintWriter(sw); |
| 68 | |
| 69 | out.print("Ordering: "); |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 70 | for (IOFMessageListener l : result) { |
Yuta HIGUCHI | 258e71f | 2014-07-25 12:52:25 -0700 | [diff] [blame] | 71 | out.print(l.getName()); |
| 72 | out.print(","); |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 73 | } |
Yuta HIGUCHI | 258e71f | 2014-07-25 12:52:25 -0700 | [diff] [blame] | 74 | out.print("\n"); |
| 75 | log.debug(sw.toString()); |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 76 | |
| 77 | for (int ind_i = 0; ind_i < result.size(); ind_i++) { |
| 78 | IOFMessageListener i = result.get(ind_i); |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 79 | for (int ind_j = ind_i + 1; ind_j < result.size(); ind_j++) { |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 80 | IOFMessageListener j = result.get(ind_j); |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 81 | |
| 82 | boolean orderwrong = |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 83 | (i.isCallbackOrderingPrereq(OFType.PACKET_IN, j.getName()) || |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 84 | j.isCallbackOrderingPostreq(OFType.PACKET_IN, i.getName())); |
| 85 | assertFalse("Invalid order: " + |
| 86 | ind_i + " (" + i.getName() + ") " + |
| 87 | ind_j + " (" + j.getName() + ") ", orderwrong); |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 88 | } |
| 89 | } |
| 90 | } |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 91 | |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 92 | void randomTestOrdering(ArrayList<IOFMessageListener> mocks) { |
| 93 | Random rand = new Random(0); |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 94 | ArrayList<IOFMessageListener> random = |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 95 | new ArrayList<IOFMessageListener>(); |
| 96 | random.addAll(mocks); |
| 97 | for (int i = 0; i < 20; i++) { |
| 98 | for (int j = 0; j < random.size(); j++) { |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 99 | int ind = rand.nextInt(mocks.size() - 1); |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 100 | IOFMessageListener tmp = random.get(j); |
| 101 | random.set(j, random.get(ind)); |
| 102 | random.set(ind, tmp); |
| 103 | } |
| 104 | testOrdering(random); |
| 105 | } |
| 106 | } |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 107 | |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 108 | @Test |
| 109 | public void testCallbackOrderingSimple() throws Exception { |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 110 | ArrayList<IOFMessageListener> mocks = |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 111 | new ArrayList<IOFMessageListener>(); |
| 112 | for (int i = 0; i < 10; i++) { |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 113 | mocks.add(createLMock("" + i)); |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 114 | } |
| 115 | for (int i = 1; i < 10; i++) { |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 116 | addPrereqs(mocks.get(i), "" + (i - 1)); |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 117 | } |
| 118 | for (IOFMessageListener l : mocks) { |
| 119 | replay(l); |
| 120 | } |
| 121 | randomTestOrdering(mocks); |
| 122 | } |
| 123 | |
| 124 | @Test |
| 125 | public void testCallbackOrderingPartial() throws Exception { |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 126 | ArrayList<IOFMessageListener> mocks = |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 127 | new ArrayList<IOFMessageListener>(); |
| 128 | for (int i = 0; i < 10; i++) { |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 129 | mocks.add(createLMock("" + i)); |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 130 | } |
| 131 | for (int i = 1; i < 5; i++) { |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 132 | addPrereqs(mocks.get(i), "" + (i - 1)); |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 133 | } |
| 134 | for (int i = 6; i < 10; i++) { |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 135 | addPrereqs(mocks.get(i), "" + (i - 1)); |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 136 | } |
| 137 | for (IOFMessageListener l : mocks) { |
| 138 | replay(l); |
| 139 | } |
| 140 | randomTestOrdering(mocks); |
| 141 | } |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 142 | |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 143 | |
| 144 | @Test |
| 145 | public void testCallbackOrderingPartial2() throws Exception { |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 146 | ArrayList<IOFMessageListener> mocks = |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 147 | new ArrayList<IOFMessageListener>(); |
| 148 | for (int i = 0; i < 10; i++) { |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 149 | mocks.add(createLMock("" + i)); |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 150 | } |
| 151 | for (int i = 2; i < 5; i++) { |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 152 | addPrereqs(mocks.get(i), "" + (i - 1)); |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 153 | } |
| 154 | for (int i = 6; i < 9; i++) { |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 155 | addPrereqs(mocks.get(i), "" + (i - 1)); |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 156 | } |
| 157 | for (IOFMessageListener l : mocks) { |
| 158 | replay(l); |
| 159 | } |
| 160 | randomTestOrdering(mocks); |
| 161 | } |
| 162 | } |