BUG-2982 : moved path-attributes container to grouping

[bgpcep.git] / bgp / parser-impl / src / main / java / org / opendaylight / protocol / bgp / parser / impl / message / update / NextHopAttributeParser.java

diff --git a/bgp/parser-impl/src/main/java/org/opendaylight/protocol/bgp/parser/impl/message/update/NextHopAttributeParser.java b/bgp/parser-impl/src/main/java/org/opendaylight/protocol/bgp/parser/impl/message/update/NextHopAttributeParser.java
index d97870f55dbbdbbcbade62523a368e4d3cc75f65..54469ad9726d0cf7080f5628d3482487b6b4d4f7 100644 (file)
--- a/bgp/parser-impl/src/main/java/org/opendaylight/protocol/bgp/parser/impl/message/update/NextHopAttributeParser.java
+++ b/bgp/parser-impl/src/main/java/org/opendaylight/protocol/bgp/parser/impl/message/update/NextHopAttributeParser.java
@@ -1,16 +1,44 @@
+/*
+ * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
 package org.opendaylight.protocol.bgp.parser.impl.message.update;
 
+import com.google.common.base.Preconditions;
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import org.opendaylight.bgp.concepts.NextHopUtil;
 import org.opendaylight.protocol.bgp.parser.spi.AttributeParser;
-import org.opendaylight.protocol.concepts.Ipv4Util;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130918.update.PathAttributesBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.CIpv4NextHopBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.c.ipv4.next.hop.Ipv4NextHopBuilder;
+import org.opendaylight.protocol.bgp.parser.spi.AttributeSerializer;
+import org.opendaylight.protocol.bgp.parser.spi.AttributeUtil;
+import org.opendaylight.protocol.util.Ipv4Util;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.Attributes;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.AttributesBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.CNextHop;
+import org.opendaylight.yangtools.yang.binding.DataObject;
 
-final class NextHopAttributeParser implements AttributeParser {
-       static final int TYPE = 3;
+public final class NextHopAttributeParser implements AttributeParser, AttributeSerializer {
 
-       @Override
-       public void parseAttribute(final byte[] bytes, final PathAttributesBuilder builder) {
-               builder.setCNextHop(new CIpv4NextHopBuilder().setIpv4NextHop(new Ipv4NextHopBuilder().setGlobal(Ipv4Util.addressForBytes(bytes)).build()).build());
-       }
-}
\ No newline at end of file
+    public static final int TYPE = 3;
+
+    @Override
+    public void parseAttribute(final ByteBuf buffer, final AttributesBuilder builder) {
+        Preconditions.checkArgument(buffer.readableBytes() == Ipv4Util.IP4_LENGTH, "Length of byte array for NEXT_HOP should be %s, but is %s", buffer.readableBytes(), Ipv4Util.IP4_LENGTH);
+        builder.setCNextHop(NextHopUtil.parseNextHop(buffer));
+    }
+
+    @Override
+    public void serializeAttribute(final DataObject attribute, final ByteBuf byteAggregator) {
+        Preconditions.checkArgument(attribute instanceof Attributes, "Attribute parameter is not a PathAttribute object.");
+        final CNextHop cNextHop = ((Attributes) attribute).getCNextHop();
+        if (cNextHop == null) {
+            return;
+        }
+        final ByteBuf nextHopBuffer = Unpooled.buffer();
+        NextHopUtil.serializeNextHop(cNextHop, nextHopBuffer);
+        AttributeUtil.formatAttribute(AttributeUtil.TRANSITIVE, TYPE, nextHopBuffer, byteAggregator);
+    }
+}