1 files changed, 99 insertions, 0 deletions
diff --git a/srv6/srv6-impl/src/main/java/io/fd/hc2vpp/srv6/write/steering/request/L3SteeringRequest.java b/srv6/srv6-impl/src/main/java/io/fd/hc2vpp/srv6/write/steering/request/L3SteeringRequest.java
new file mode 100644
index 000000000..850234c41
--- /dev/null
+++ b/srv6/srv6-impl/src/main/java/io/fd/hc2vpp/srv6/write/steering/request/L3SteeringRequest.java
@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2018 Bell Canada, Pantheon Technologies 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.srv6.write.steering.request;
+
+import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import io.fd.hc2vpp.srv6.write.DeleteRequest;
+import io.fd.hc2vpp.srv6.write.WriteRequest;
+import io.fd.honeycomb.translate.write.WriteFailedException;
+import io.fd.vpp.jvpp.core.dto.SrSteeringAddDel;
+import io.fd.vpp.jvpp.core.future.FutureJVppCore;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpPrefix;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+/**
+ * Request for steering of L3 traffic
+ */
+public class L3SteeringRequest extends SteeringRequest implements WriteRequest, DeleteRequest {
+
+    public static final byte VPP_IPV4_TYPE = 4;
+    public static final byte VPP_IPV6_TYPE = 6;
+    public static final byte VPP_UNRESOLVED_TYPE = 0;
+    /**
+     * Where to install FIB entry for this steering
+     */
+    private int fibTableIndex;
+
+    /**
+     * V4/V6 address for traffic type
+     */
+    private IpPrefix prefix;
+
+    public L3SteeringRequest(final FutureJVppCore api) {
+        super(api);
+    }
+
+    @Override
+    public void checkValid() {
+        super.checkValid();
+        checkNotNull(prefix, "Prefix is null");
+        checkArgument(resolveTrafficType(prefix) == 4 || resolveTrafficType(prefix) == 6,
+                "IpPrefix format not recognized");
+    }
+
+    @Override
+    public void delete(final InstanceIdentifier<?> identifier) throws WriteFailedException {
+        checkValid();
+        getReplyForDelete(getApi().srSteeringAddDel(bindRequest(true)).toCompletableFuture(), identifier);
+    }
+
+    @Override
+    public void write(final InstanceIdentifier<?> identifier) throws WriteFailedException {
+        checkValid();
+        getReplyForWrite(getApi().srSteeringAddDel(bindRequest(false)).toCompletableFuture(), identifier);
+    }
+
+    private SrSteeringAddDel bindRequest(final boolean isDel) {
+        final SrSteeringAddDel request = new SrSteeringAddDel();
+        request.isDel = booleanToByte(isDel);
+        request.bsidAddr = ipv6AddressNoZoneToArray(getBindingSid());
+        request.tableId = fibTableIndex;
+        request.trafficType = resolveTrafficType(prefix);
+        request.prefixAddr = ipPrefixToArray(prefix);
+        request.maskWidth = extractPrefix(prefix);
+        return request;
+    }
+
+    public void setFibTableIndex(final int fibTableIndex) {
+        this.fibTableIndex = fibTableIndex;
+    }
+
+    private byte resolveTrafficType(IpPrefix prefix) {
+        if (prefix.getIpv4Prefix() != null) {
+            return VPP_IPV4_TYPE;
+        } else if (prefix.getIpv6Prefix() != null) {
+            return VPP_IPV6_TYPE;
+        }
+        return VPP_UNRESOLVED_TYPE;
+    }
+
+    public void setPrefix(final IpPrefix prefix) {
+        this.prefix = prefix;
+    }
+}