bgp/parser-impl/src/test/java/org/opendaylight/protocol/bgp/parser/impl/GracefulCapabilityHandlerTest.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.protocol.bgp.parser.impl;
   9
  10 import static org.junit.Assert.assertArrayEquals;
  11 import static org.junit.Assert.assertEquals;
  12
  13 import io.netty.buffer.ByteBuf;
  14 import io.netty.buffer.Unpooled;
  15 import java.util.Collections;
  16 import org.junit.Before;
  17 import org.junit.Test;
  18 import org.opendaylight.protocol.bgp.parser.BGPDocumentedException;
  19 import org.opendaylight.protocol.bgp.parser.BGPParsingException;
  20 import org.opendaylight.protocol.bgp.parser.impl.message.open.GracefulCapabilityHandler;
  21 import org.opendaylight.protocol.bgp.parser.spi.BGPExtensionProviderContext;
  22 import org.opendaylight.protocol.bgp.parser.spi.pojo.ServiceLoaderBGPExtensionProviderContext;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.open.message.bgp.parameters.optional.capabilities.CParametersBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.CParameters1Builder;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.mp.capabilities.GracefulRestartCapability.RestartFlags;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.mp.capabilities.GracefulRestartCapabilityBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.mp.capabilities.graceful.restart.capability.Tables.AfiFlags;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.mp.capabilities.graceful.restart.capability.TablesBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.AddressFamily;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.Ipv4AddressFamily;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.SubsequentAddressFamily;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.UnicastSubsequentAddressFamily;
  33 import org.opendaylight.yangtools.yang.binding.util.BindingMap;
  34 import org.opendaylight.yangtools.yang.common.Uint16;
  35
  36 public class GracefulCapabilityHandlerTest {
  37
  38     private BGPExtensionProviderContext ctx;
  39
  40     @Before
  41     public void setUp() {
  42         this.ctx = ServiceLoaderBGPExtensionProviderContext.getSingletonInstance();
  43     }
  44
  45     @Test
  46     public void testGracefulCapabilityHandler() throws BGPDocumentedException, BGPParsingException {
  47         final GracefulCapabilityHandler handler = new GracefulCapabilityHandler(
  48             this.ctx.getAddressFamilyRegistry(),this.ctx.getSubsequentAddressFamilyRegistry());
  49
  50         final byte[] capaBytes = {
  51             (byte) 0x40, (byte) 0x06, (byte) 0x81, (byte) 0xf4,
  52             (byte) 0x00, (byte) 0x01, (byte) 0x01, (byte) 0x80
  53         };
  54
  55         final GracefulRestartCapabilityBuilder capaBuilder = new GracefulRestartCapabilityBuilder()
  56                 .setRestartFlags(new RestartFlags(true))
  57                 .setRestartTime(Uint16.valueOf(500));
  58         final TablesBuilder tablesBuilder = new TablesBuilder()
  59                 .setAfiFlags(new AfiFlags(true))
  60                 .setAfi(Ipv4AddressFamily.class)
  61                 .setSafi(UnicastSubsequentAddressFamily.class);
  62         capaBuilder.setTables(BindingMap.of(tablesBuilder.build()));
  63
  64         final ByteBuf buffer = Unpooled.buffer(capaBytes.length);
  65         handler.serializeCapability(new CParametersBuilder()
  66             .addAugmentation(new CParameters1Builder().setGracefulRestartCapability(capaBuilder.build()).build())
  67             .build(), buffer);
  68         assertArrayEquals(capaBytes, buffer.array());
  69
  70         assertEquals(new CParametersBuilder()
  71             .addAugmentation(new CParameters1Builder().setGracefulRestartCapability(capaBuilder.build()).build())
  72             .build(), handler.parseCapability(Unpooled.wrappedBuffer(capaBytes).slice(2, capaBytes.length - 2)));
  73
  74         final byte[] capaBytes2 = {
  75             (byte) 0x40, (byte) 0x06, (byte) 0x00, (byte) 0x00,
  76             (byte) 0x00, (byte) 0x01, (byte) 0x01, (byte) 0x00
  77         };
  78         capaBuilder.setRestartFlags(new RestartFlags(false));
  79         capaBuilder.setRestartTime(Uint16.ZERO);
  80         tablesBuilder.setAfiFlags(new AfiFlags(false));
  81         capaBuilder.setTables(BindingMap.of(tablesBuilder.build()));
  82         buffer.clear();
  83         handler.serializeCapability(new CParametersBuilder()
  84             .addAugmentation(new CParameters1Builder().setGracefulRestartCapability(capaBuilder.build()).build())
  85             .build(), buffer);
  86         assertArrayEquals(capaBytes2, buffer.array());
  87         assertEquals(new CParametersBuilder()
  88             .addAugmentation(new CParameters1Builder().setGracefulRestartCapability(capaBuilder.build()).build())
  89             .build(), handler.parseCapability(Unpooled.wrappedBuffer(capaBytes2).slice(2, capaBytes2.length - 2)));
  90
  91         capaBuilder.setRestartFlags(null);
  92         tablesBuilder.setAfiFlags(null);
  93         capaBuilder.setRestartTime((Uint16) null);
  94         capaBuilder.setTables(BindingMap.of(tablesBuilder.build()));
  95         buffer.clear();
  96         handler.serializeCapability(new CParametersBuilder()
  97             .addAugmentation(new CParameters1Builder().setGracefulRestartCapability(capaBuilder.build()).build())
  98             .build(), buffer);
  99         assertArrayEquals(capaBytes2, buffer.array());
 100
 101         final byte[] capaBytes3 = {
 102             (byte) 0x40, (byte) 0x06, (byte) 0x00, (byte) 0x00,
 103             (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00
 104         };
 105         capaBuilder.setRestartFlags(new RestartFlags(false));
 106         capaBuilder.setRestartTime(Uint16.ZERO);
 107         capaBuilder.setTables(Collections.emptyMap());
 108         assertEquals(new CParametersBuilder()
 109             .addAugmentation(new CParameters1Builder().setGracefulRestartCapability(capaBuilder.build()).build())
 110             .build(), handler.parseCapability(Unpooled.wrappedBuffer(capaBytes3).slice(2, capaBytes3.length - 2)));
 111
 112         final byte[] capaBytes4 = {
 113             (byte) 0x40, (byte) 0x06, (byte) 0x00, (byte) 0x00,
 114             (byte) 0x00, (byte) 0x01, (byte) 0x00, (byte) 0x00
 115         };
 116         assertEquals(new CParametersBuilder()
 117             .addAugmentation(new CParameters1Builder().setGracefulRestartCapability(capaBuilder.build()).build())
 118             .build(), handler.parseCapability(Unpooled.wrappedBuffer(capaBytes4).slice(2, capaBytes4.length - 2)));
 119         final byte[] capaBytes5 = {
 120             (byte) 0x40, (byte) 0x02, (byte) 0x00, (byte) 0x00
 121         };
 122         final ByteBuf b = Unpooled.buffer(capaBytes5.length);
 123
 124         handler.serializeCapability(new CParametersBuilder()
 125             .addAugmentation(new CParameters1Builder()
 126                 .setGracefulRestartCapability(new GracefulRestartCapabilityBuilder().build())
 127                 .build())
 128             .build(), b);
 129         assertArrayEquals(capaBytes5, b.array());
 130         assertEquals(new CParametersBuilder()
 131             .addAugmentation(new CParameters1Builder()
 132                 .setGracefulRestartCapability(new GracefulRestartCapabilityBuilder()
 133                     .setRestartFlags(new RestartFlags(Boolean.FALSE))
 134                     .setRestartTime(Uint16.ZERO)
 135                     .build())
 136                 .build())
 137             .build(), handler.parseCapability(Unpooled.wrappedBuffer(capaBytes5).slice(2, capaBytes5.length - 2)));
 138     }
 139
 140     @Test(expected = IllegalArgumentException.class)
 141     public void testUnhandledAfi() {
 142         final GracefulCapabilityHandler handler = new GracefulCapabilityHandler(this.ctx.getAddressFamilyRegistry(),
 143             this.ctx.getSubsequentAddressFamilyRegistry());
 144
 145         final GracefulRestartCapabilityBuilder capaBuilder = new GracefulRestartCapabilityBuilder();
 146         capaBuilder.setRestartFlags(new RestartFlags(true));
 147         capaBuilder.setRestartTime(Uint16.valueOf(50));
 148         final TablesBuilder tablesBuilder = new TablesBuilder();
 149         tablesBuilder.setAfiFlags(new AfiFlags(true));
 150
 151         tablesBuilder.setAfi(AddressFamily.class);
 152         tablesBuilder.setSafi(UnicastSubsequentAddressFamily.class);
 153         capaBuilder.setTables(BindingMap.of(tablesBuilder.build()));
 154
 155         final ByteBuf buffer = Unpooled.buffer();
 156         handler.serializeCapability(new CParametersBuilder()
 157             .addAugmentation(new CParameters1Builder().setGracefulRestartCapability(capaBuilder.build()).build())
 158             .build(), buffer);
 159     }
 160
 161     @Test(expected = IllegalArgumentException.class)
 162     public void testUnhandledSafi() {
 163         final GracefulCapabilityHandler handler = new GracefulCapabilityHandler(this.ctx.getAddressFamilyRegistry(),
 164             this.ctx.getSubsequentAddressFamilyRegistry());
 165
 166         final GracefulRestartCapabilityBuilder capaBuilder = new GracefulRestartCapabilityBuilder();
 167         capaBuilder.setRestartFlags(new RestartFlags(true));
 168         capaBuilder.setRestartTime(Uint16.valueOf(50));
 169         final TablesBuilder tablesBuilder = new TablesBuilder();
 170         tablesBuilder.setAfiFlags(new AfiFlags(true));
 171         tablesBuilder.setAfi(Ipv4AddressFamily.class);
 172         tablesBuilder.setSafi(SubsequentAddressFamily.class);
 173         capaBuilder.setTables(BindingMap.of(tablesBuilder.build()));
 174
 175         final ByteBuf buffer = Unpooled.buffer();
 176         handler.serializeCapability(new CParametersBuilder()
 177             .addAugmentation(new CParameters1Builder().setGracefulRestartCapability(capaBuilder.build()).build())
 178             .build(), buffer);
 179     }
 180
 181     @Test(expected = IllegalArgumentException.class)
 182     public void testRestartTimeMinValue() {
 183         final GracefulCapabilityHandler handler = new GracefulCapabilityHandler(this.ctx.getAddressFamilyRegistry(),
 184             this.ctx.getSubsequentAddressFamilyRegistry());
 185
 186         final GracefulRestartCapabilityBuilder capaBuilder = new GracefulRestartCapabilityBuilder()
 187                 .setRestartFlags(new RestartFlags(true))
 188                 // FIXME: this is throwing IAE, why is the rest of the test even here?
 189                 .setRestartTime(Uint16.MAX_VALUE)
 190                 .setTables(BindingMap.of(new TablesBuilder()
 191                     .setAfiFlags(new AfiFlags(true))
 192                     .setAfi(Ipv4AddressFamily.class)
 193                     .setSafi(UnicastSubsequentAddressFamily.class)
 194                     .build()));
 195
 196         final ByteBuf buffer = Unpooled.buffer();
 197         handler.serializeCapability(new CParametersBuilder()
 198             .addAugmentation(new CParameters1Builder().setGracefulRestartCapability(capaBuilder.build()).build())
 199             .build(), buffer);
 200     }
 201
 202     @Test(expected = IllegalArgumentException.class)
 203     public void testRestartTimeMaxValue() {
 204         final GracefulCapabilityHandler handler = new GracefulCapabilityHandler(this.ctx.getAddressFamilyRegistry(),
 205             this.ctx.getSubsequentAddressFamilyRegistry());
 206
 207         final GracefulRestartCapabilityBuilder capaBuilder = new GracefulRestartCapabilityBuilder()
 208                 .setRestartFlags(new RestartFlags(true))
 209                 .setRestartTime(Uint16.valueOf(50000));
 210
 211         capaBuilder.setTables(BindingMap.of(new TablesBuilder()
 212             .setAfiFlags(new AfiFlags(true))
 213             .setAfi(Ipv4AddressFamily.class)
 214             .setSafi(UnicastSubsequentAddressFamily.class)
 215             .build()));
 216
 217         final ByteBuf buffer = Unpooled.buffer();
 218         handler.serializeCapability(new CParametersBuilder()
 219             .addAugmentation(new CParameters1Builder().setGracefulRestartCapability(capaBuilder.build()).build())
 220             .build(), buffer);
 221     }
 222 }