diff options
author | Jan Srnicek <jsrnicek@cisco.com> | 2016-12-01 18:15:52 +0100 |
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committer | Jan Srnicek <jsrnicek@cisco.com> | 2016-12-01 18:16:47 +0100 |
commit | 32aa07e5517fba7f78ae79d2ba83b56f72a53293 (patch) | |
tree | 26256f30f2dc5c3521403ef3fcd2e038b2f9bca6 /routing/routing-impl/src/main/java/io/fd/hc2vpp/routing/write/factory/SpecialNextHopRequestFactory.java | |
parent | 9c9935c83ce9869ca36cbde7865423ef02f19db8 (diff) |
HONEYCOMB-58 - Routing Plugin Structure
Read/Write support for ipv4/6 static routes.
Restriction due to vpp implementation described
in readme.
Change-Id: I328f406a9b7cb8781f8becf98eca293cebe66859
Signed-off-by: Jan Srnicek <jsrnicek@cisco.com>
Diffstat (limited to 'routing/routing-impl/src/main/java/io/fd/hc2vpp/routing/write/factory/SpecialNextHopRequestFactory.java')
-rw-r--r-- | routing/routing-impl/src/main/java/io/fd/hc2vpp/routing/write/factory/SpecialNextHopRequestFactory.java | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/routing/routing-impl/src/main/java/io/fd/hc2vpp/routing/write/factory/SpecialNextHopRequestFactory.java b/routing/routing-impl/src/main/java/io/fd/hc2vpp/routing/write/factory/SpecialNextHopRequestFactory.java new file mode 100644 index 000000000..2a5ab9821 --- /dev/null +++ b/routing/routing-impl/src/main/java/io/fd/hc2vpp/routing/write/factory/SpecialNextHopRequestFactory.java @@ -0,0 +1,120 @@ +/* + * Copyright (c) 2016 Cisco and/or its affiliates. + * + * 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 io.fd.hc2vpp.routing.write.factory; + +import static com.google.common.base.Preconditions.checkNotNull; + +import io.fd.hc2vpp.routing.write.factory.base.ClassifierContextHolder; +import io.fd.hc2vpp.routing.write.trait.RouteRequestProducer; +import io.fd.hc2vpp.v3po.vppclassifier.VppClassifierContextManager; +import io.fd.honeycomb.translate.MappingContext; +import io.fd.vpp.jvpp.core.dto.IpAddDelRoute; +import javax.annotation.Nonnull; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Prefix; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.routing.rev140524.SpecialNextHopGrouping; + +public class SpecialNextHopRequestFactory extends ClassifierContextHolder + implements RouteRequestProducer { + + private SpecialNextHopRequestFactory(final VppClassifierContextManager classifierContextManager) { + super(classifierContextManager); + } + + public static SpecialNextHopRequestFactory forClassifierContext( + @Nonnull final VppClassifierContextManager classifierContextManager) { + return new SpecialNextHopRequestFactory(classifierContextManager); + } + + public IpAddDelRoute createIpv4SpecialHopRequest(final boolean add, + @Nonnull final org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv4.unicast.routing.rev140524.routing.routing.instance.routing.protocols.routing.protocol._static.routes.ipv4.Route route, + @Nonnull final MappingContext mappingContext, + @Nonnull final SpecialNextHopGrouping.SpecialNextHop flagsVariant) { + checkNotNull(route, "Route cannot be null"); + checkNotNull(mappingContext, "Mapping Context cannot be null"); + checkNotNull(flagsVariant, "Flags variant cannot be null"); + + return resolveFlags(getSpecialHopRequest(add, route.getDestinationPrefix()), flagsVariant); + } + + public IpAddDelRoute createIpv6SpecialHopRequest(final boolean add, + @Nonnull final org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv6.unicast.routing.rev140525.routing.routing.instance.routing.protocols.routing.protocol._static.routes.ipv6.Route route, + @Nonnull final MappingContext mappingContext, + @Nonnull final SpecialNextHopGrouping.SpecialNextHop flagsVariant) { + + checkNotNull(route, "Route cannot be null"); + checkNotNull(mappingContext, "Mapping Context cannot be null"); + checkNotNull(flagsVariant, "Flags variant cannot be null"); + + return resolveFlags(getSpecialHopRequest(add, route.getDestinationPrefix()), flagsVariant); + } + + private IpAddDelRoute getSpecialHopRequest(final boolean isAdd, @Nonnull final Ipv6Prefix destinationAddress) { + + return flaglessAddDelRouteRequest(booleanToByte(isAdd), 0, null, DEFAULT_HOP_WEIGHT, BYTE_TRUE, + ipv6AddressPrefixToArray(destinationAddress), extractPrefix(destinationAddress.getValue()), BYTE_FALSE, + DEFAULT_VNI, DEFAULT_VNI, DEFAULT_CLASSIFY_TABLE_INDEX, BYTE_FALSE); + } + + private IpAddDelRoute getSpecialHopRequest(final boolean isAdd, @Nonnull final Ipv4Prefix destinationAddress) { + return flaglessAddDelRouteRequest(booleanToByte(isAdd), 0, null, DEFAULT_HOP_WEIGHT, BYTE_FALSE, + ipv4AddressPrefixToArray(destinationAddress), extractPrefix(destinationAddress.getValue()), BYTE_FALSE, + DEFAULT_VNI, DEFAULT_VNI, DEFAULT_CLASSIFY_TABLE_INDEX, BYTE_FALSE); + } + + private IpAddDelRoute resolveFlags(IpAddDelRoute request, + final SpecialNextHopGrouping.SpecialNextHop flagsVariant) { + switch (flagsVariant) { + case Blackhole: + return resolveAsBlackholeVariant(request); + case Unreachable: + return resolveAsUnreachableVariant(request); + case Prohibit: + return resolveAsProhibitedVariant(request); + case Receive: + return resolveAsReceiveVariant(request); + default: + throw new IllegalArgumentException("Unsupported type"); + } + } + + private IpAddDelRoute resolveAsBlackholeVariant(IpAddDelRoute request) { + return bindFlags(request, true, false, false, false); + } + + private IpAddDelRoute resolveAsReceiveVariant(IpAddDelRoute request) { + return bindFlags(request, false, true, false, false); + } + + private IpAddDelRoute resolveAsUnreachableVariant(IpAddDelRoute request) { + return bindFlags(request, false, false, true, false); + } + + private IpAddDelRoute resolveAsProhibitedVariant(IpAddDelRoute request) { + return bindFlags(request, false, false, false, true); + } + + private IpAddDelRoute bindFlags(IpAddDelRoute request, final boolean isDrop, final boolean isReceive, + final boolean isUnreachable, final boolean isProhibited) { + request.isDrop = booleanToByte(isDrop); + request.isLocal = booleanToByte(isReceive); + request.isUnreach = booleanToByte(isUnreachable); + request.isProhibit = booleanToByte(isProhibited); + + return request; + } +} |