FPM component that can decode routes from Quagga's FIB push interface.
Change-Id: I57bfd9273b81c8d368a59a3acea53486cb4acfc1
diff --git a/apps/routing/src/main/java/org/onosproject/routing/fpm/protocol/RouteAttributeOif.java b/apps/routing/src/main/java/org/onosproject/routing/fpm/protocol/RouteAttributeOif.java
new file mode 100644
index 0000000..745ad54
--- /dev/null
+++ b/apps/routing/src/main/java/org/onosproject/routing/fpm/protocol/RouteAttributeOif.java
@@ -0,0 +1,80 @@
+/*
+ * Copyright 2016 Open Networking Laboratory
+ *
+ * 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 org.onosproject.routing.fpm.protocol;
+
+import com.google.common.base.MoreObjects;
+import org.onlab.packet.DeserializationException;
+
+import java.nio.ByteBuffer;
+
+/**
+ * Output interface route attribute.
+ */
+public final class RouteAttributeOif extends RouteAttribute {
+
+ private static final int VALUE_LENGTH = 4;
+
+ private final long outputInterface;
+
+ /**
+ * Class constructor.
+ *
+ * @param length length
+ * @param type type
+ * @param outputInterface output interface
+ */
+ private RouteAttributeOif(int length, int type, long outputInterface) {
+ super(length, type);
+
+ this.outputInterface = outputInterface;
+ }
+
+ /**
+ * Returns the output interface.
+ *
+ * @return output interface
+ */
+ public long outputInterface() {
+ return outputInterface;
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(getClass())
+ .add("type", type())
+ .add("length", length())
+ .add("outputInterface", outputInterface)
+ .toString();
+ }
+
+ /**
+ * Returns a decoder for a output interface route attribute.
+ *
+ * @return output interface route attribute decoder
+ */
+ public static RouteAttributeDecoder<RouteAttributeOif> decoder() {
+ return (int length, int type, byte[] value) -> {
+ if (value.length != VALUE_LENGTH) {
+ throw new DeserializationException("Wrong value length");
+ }
+
+ long outputInterface = Integer.reverseBytes(ByteBuffer.wrap(value).getInt());
+
+ return new RouteAttributeOif(length, type, outputInterface);
+ };
+ }
+}