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>

1 files changed, 145 insertions, 0 deletions

diff --git a/routing/routing-impl/src/main/java/io/fd/hc2vpp/routing/write/factory/SimpleHopRequestFactory.java b/routing/routing-impl/src/main/java/io/fd/hc2vpp/routing/write/factory/SimpleHopRequestFactory.java
new file mode 100644
index 000000000..68a5f3d71
--- /dev/null
+++ b/routing/routing-impl/src/main/java/io/fd/hc2vpp/routing/write/factory/SimpleHopRequestFactory.java
@@ -0,0 +1,145 @@
+/*
+ * 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.common.translate.util.NamingContext;
+import io.fd.hc2vpp.routing.write.factory.base.BasicHopRequestFactory;
+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.Ipv4Address;
+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.Ipv6Address;
+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.ipv4.unicast.routing.rev140524.routing.routing.instance.routing.protocols.routing.protocol._static.routes.ipv4.route.VppIpv4Route;
+import 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.next.hop.options.SimpleNextHop;
+import 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.VppIpv6Route;
+
+
+/**
+ * Factory for creating requests to create route with hop simple hop
+ */
+public class SimpleHopRequestFactory extends BasicHopRequestFactory implements RouteRequestProducer {
+
+    private SimpleHopRequestFactory(final VppClassifierContextManager classifierContextManager,
+                                    final NamingContext interfaceContext,
+                                    final NamingContext routingProtocolContext) {
+        super(classifierContextManager, interfaceContext, routingProtocolContext);
+    }
+
+    public static SimpleHopRequestFactory forContexts(
+            @Nonnull final VppClassifierContextManager classifierContextManager,
+            @Nonnull final NamingContext interfaceContext,
+            @Nonnull final NamingContext routingProtocolContext) {
+        return new SimpleHopRequestFactory(classifierContextManager, interfaceContext, routingProtocolContext);
+    }
+
+    public IpAddDelRoute createIpv4SimpleHopRequest(final boolean add,
+                                                    @Nonnull final String parentProtocolName,
+                                                    @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) {
+
+        final SimpleNextHop hop = SimpleNextHop.class.cast(route.getNextHopOptions());
+        final VppIpv4Route routingAttributes = checkNotNull(route.getVppIpv4Route(), "VppIpv4Route not defined");
+        final int nextHopInterfaceIndex =
+                getInterfaceNamingContext().getIndex(hop.getOutgoingInterface(), mappingContext);
+
+        if (classifyTablePresent(routingAttributes.getClassifyTable(), getVppClassifierContextManager(),
+                mappingContext)) {
+            return getSimpleHopRequest(add,
+                    route.getDestinationPrefix(),
+                    nextHopInterfaceIndex,
+                    hop.getNextHop(),
+                    getRoutingProtocolContext().getIndex(parentProtocolName, mappingContext),
+                    optionalVni(routingAttributes.getSecondaryVrf()),
+                    classifyTableIndex(routingAttributes.getClassifyTable(), getVppClassifierContextManager(),
+                            mappingContext),
+                    true);
+        } else {
+            return getSimpleHopRequest(add,
+                    route.getDestinationPrefix(),
+                    nextHopInterfaceIndex,
+                    hop.getNextHop(),
+                    getRoutingProtocolContext().getIndex(parentProtocolName, mappingContext),
+                    optionalVni(routingAttributes.getSecondaryVrf()),
+                    0,
+                    false);
+        }
+    }
+
+    public IpAddDelRoute createIpv6SimpleHopRequest(final boolean add,
+                                                    @Nonnull final String parentProtocolName,
+                                                    @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) {
+        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.next.hop.options.SimpleNextHop
+                hop =
+                (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.next.hop.options.SimpleNextHop) route
+                        .getNextHopOptions();
+        final VppIpv6Route routingAttributes = checkNotNull(route.getVppIpv6Route(), "VppIpv6Route not defined");
+        final int nextHopInterfaceIndex =
+                getInterfaceNamingContext().getIndex(hop.getOutgoingInterface(), mappingContext);
+
+        if (classifyTablePresent(routingAttributes.getClassifyTable(), getVppClassifierContextManager(),
+                mappingContext)) {
+            return getSimpleHopRequest(add,
+                    route.getDestinationPrefix(),
+                    nextHopInterfaceIndex,
+                    hop.getNextHop(),
+                    getRoutingProtocolContext().getIndex(parentProtocolName, mappingContext),
+                    optionalVni(routingAttributes.getSecondaryVrf()),
+                    classifyTableIndex(routingAttributes.getClassifyTable(), getVppClassifierContextManager(),
+                            mappingContext),
+                    true);
+        } else {
+            return getSimpleHopRequest(add,
+                    route.getDestinationPrefix(),
+                    nextHopInterfaceIndex,
+                    hop.getNextHop(),
+                    getRoutingProtocolContext().getIndex(parentProtocolName, mappingContext),
+                    optionalVni(routingAttributes.getSecondaryVrf()),
+                    0,
+                    false);
+        }
+    }
+
+
+    private IpAddDelRoute getSimpleHopRequest(final boolean isAdd, @Nonnull final Ipv6Prefix destinationAddress,
+                                              final int nextHopInterfaceIndex,
+                                              @Nonnull final Ipv6Address nextHopAddress,
+                                              final int primaryVrf, final int secondaryVrf,
+                                              final int classifyTableIndex, final boolean classifyIndexSet) {
+        return flaglessAddDelRouteRequest(booleanToByte(isAdd), nextHopInterfaceIndex,
+                ipv6AddressNoZoneToArray(nextHopAddress.getValue()), DEFAULT_HOP_WEIGHT, BYTE_TRUE,
+                ipv6AddressPrefixToArray(destinationAddress), extractPrefix(destinationAddress.getValue()), BYTE_FALSE,
+                primaryVrf, secondaryVrf, classifyTableIndex, booleanToByte(classifyIndexSet));
+    }
+
+    private IpAddDelRoute getSimpleHopRequest(final boolean isAdd, @Nonnull final Ipv4Prefix destinationAddress,
+                                              final int nextHopInterfaceIndex,
+                                              @Nonnull final Ipv4Address nextHopAddress,
+                                              final int primaryVrf, final int secondaryVrf,
+                                              final int classifyTableIndex, final boolean classifyIndexSet) {
+        return flaglessAddDelRouteRequest(booleanToByte(isAdd), nextHopInterfaceIndex,
+                ipv4AddressNoZoneToArray(nextHopAddress.getValue()), DEFAULT_HOP_WEIGHT, BYTE_FALSE,
+                ipv4AddressPrefixToArray(destinationAddress), extractPrefix(destinationAddress.getValue()), BYTE_FALSE,
+                primaryVrf, secondaryVrf, classifyTableIndex, booleanToByte(classifyIndexSet));
+    }
+}