MVPN RFC6514 Extendend communities

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

diff --git a/bgp/parser-impl/src/main/java/org/opendaylight/protocol/bgp/parser/impl/message/update/MPReachAttributeParser.java b/bgp/parser-impl/src/main/java/org/opendaylight/protocol/bgp/parser/impl/message/update/MPReachAttributeParser.java
index 593a5c9649ae1a793c433a87929254c7c7c1f6c3..7e39d33e88a4a0102de69aea00613ed829e189bf 100644 (file)
--- a/bgp/parser-impl/src/main/java/org/opendaylight/protocol/bgp/parser/impl/message/update/MPReachAttributeParser.java
+++ b/bgp/parser-impl/src/main/java/org/opendaylight/protocol/bgp/parser/impl/message/update/MPReachAttributeParser.java
@@ -7,33 +7,70 @@
  */
 package org.opendaylight.protocol.bgp.parser.impl.message.update;
 
+import static java.util.Objects.requireNonNull;
+
+import com.google.common.base.Preconditions;
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
 import org.opendaylight.protocol.bgp.parser.BGPDocumentedException;
 import org.opendaylight.protocol.bgp.parser.BGPError;
 import org.opendaylight.protocol.bgp.parser.BGPParsingException;
 import org.opendaylight.protocol.bgp.parser.spi.AttributeParser;
+import org.opendaylight.protocol.bgp.parser.spi.AttributeSerializer;
+import org.opendaylight.protocol.bgp.parser.spi.AttributeUtil;
 import org.opendaylight.protocol.bgp.parser.spi.NlriRegistry;
-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.multiprotocol.rev130918.PathAttributes1;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130918.PathAttributes1Builder;
+import org.opendaylight.protocol.bgp.parser.spi.NlriSerializer;
+import org.opendaylight.protocol.bgp.parser.spi.PeerSpecificParserConstraint;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.Attributes;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.AttributesBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.Attributes1;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.Attributes1Builder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.update.attributes.MpReachNlri;
+import org.opendaylight.yangtools.yang.binding.DataObject;
 
-import com.google.common.base.Preconditions;
 
-public final class MPReachAttributeParser implements AttributeParser {
-       public static final int TYPE = 14;
-
-       private final NlriRegistry reg;
-
-       public MPReachAttributeParser(final NlriRegistry reg) {
-               this.reg = Preconditions.checkNotNull(reg);
-       }
-
-       @Override
-       public void parseAttribute(final byte[] bytes, final PathAttributesBuilder builder) throws BGPDocumentedException {
-               try {
-                       final PathAttributes1 a = new PathAttributes1Builder().setMpReachNlri(reg.parseMpReach(bytes)).build();
-                       builder.addAugmentation(PathAttributes1.class, a);
-               } catch (final BGPParsingException e) {
-                       throw new BGPDocumentedException("Could not parse MP_REACH_NLRI", BGPError.OPT_ATTR_ERROR, e);
-               }
-       }
-}
\ No newline at end of file
+public final class MPReachAttributeParser implements AttributeParser, AttributeSerializer {
+
+    public static final int TYPE = 14;
+
+    private final NlriRegistry reg;
+
+    public MPReachAttributeParser(final NlriRegistry reg) {
+        this.reg = requireNonNull(reg);
+    }
+
+    @Override
+    public void parseAttribute(final ByteBuf buffer, final AttributesBuilder builder) throws BGPDocumentedException {
+        parseAttribute(buffer, builder, null);
+    }
+
+    @Override
+    public void parseAttribute(final ByteBuf buffer, final AttributesBuilder builder, final PeerSpecificParserConstraint constraint)
+            throws BGPDocumentedException {
+        try {
+            final MpReachNlri mpReachNlri = this.reg.parseMpReach(buffer, constraint);
+            final Attributes1 a = new Attributes1Builder().setMpReachNlri(mpReachNlri).build();
+            builder.addAugmentation(Attributes1.class, a);
+        } catch (final BGPParsingException e) {
+            throw new BGPDocumentedException("Could not parse MP_REACH_NLRI", BGPError.OPT_ATTR_ERROR, e);
+        }
+    }
+
+    @Override
+    public void serializeAttribute(final DataObject attribute, final ByteBuf byteAggregator) {
+        Preconditions.checkArgument(attribute instanceof Attributes, "Attribute parameter is not a PathAttribute object.");
+        final Attributes pathAttributes = (Attributes) attribute;
+        final Attributes1 pathAttributes1 = pathAttributes.getAugmentation(Attributes1.class);
+        if (pathAttributes1 == null) {
+            return;
+        }
+        final MpReachNlri mpReachNlri = pathAttributes1.getMpReachNlri();
+        final ByteBuf reachBuffer = Unpooled.buffer();
+        this.reg.serializeMpReach(mpReachNlri, reachBuffer);
+
+        for (final NlriSerializer nlriSerializer : this.reg.getSerializers()) {
+            nlriSerializer.serializeAttribute(attribute, reachBuffer);
+        }
+        AttributeUtil.formatAttribute(AttributeUtil.OPTIONAL, TYPE, reachBuffer, byteAggregator);
+    }
+}