Create common parent for extensions families

[bgpcep.git] / bgp / extensions / linkstate / src / main / java / org / opendaylight / protocol / bgp / linkstate / impl / attribute / sr / binding / sid / sub / tlvs / Ipv4PrefixSidParser.java

diff --git a/bgp/extensions/linkstate/src/main/java/org/opendaylight/protocol/bgp/linkstate/impl/attribute/sr/binding/sid/sub/tlvs/Ipv4PrefixSidParser.java b/bgp/extensions/linkstate/src/main/java/org/opendaylight/protocol/bgp/linkstate/impl/attribute/sr/binding/sid/sub/tlvs/Ipv4PrefixSidParser.java
new file mode 100644 (file)
index 0000000..858a9ed
--- /dev/null
+++ b/bgp/extensions/linkstate/src/main/java/org/opendaylight/protocol/bgp/linkstate/impl/attribute/sr/binding/sid/sub/tlvs/Ipv4PrefixSidParser.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2016 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.linkstate.impl.attribute.sr.binding.sid.sub.tlvs;
+
+import com.google.common.base.Preconditions;
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import org.opendaylight.protocol.bgp.linkstate.impl.attribute.sr.SrPrefixAttributesParser;
+import org.opendaylight.protocol.bgp.linkstate.spi.BindingSubTlvsParser;
+import org.opendaylight.protocol.bgp.linkstate.spi.BindingSubTlvsSerializer;
+import org.opendaylight.protocol.bgp.linkstate.spi.TlvUtil;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.ProtocolId;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.prefix.state.SrPrefix;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.BindingSubTlv;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.PrefixSidCase;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.PrefixSidCaseBuilder;
+
+public final class Ipv4PrefixSidParser implements BindingSubTlvsParser, BindingSubTlvsSerializer {
+    public static final int PREFIX_SID = 1158;
+
+    @Override
+    public BindingSubTlv parseSubTlv(final ByteBuf slice, final ProtocolId protocolId) {
+        final SrPrefix prefix = SrPrefixAttributesParser.parseSrPrefix(slice, protocolId);
+        return new PrefixSidCaseBuilder().setAlgorithm(prefix.getAlgorithm()).setFlags(prefix.getFlags())
+            .setSidLabelIndex(prefix.getSidLabelIndex()).build();
+    }
+
+    @Override
+    public int getType() {
+        return PREFIX_SID;
+    }
+
+    @Override
+    public void serializeSubTlv(final BindingSubTlv bindingSubTlv, final ByteBuf aggregator) {
+        Preconditions.checkArgument(bindingSubTlv instanceof PrefixSidCase, "Wrong BindingSubTlv instance expected", bindingSubTlv);
+        final PrefixSidCase prefix = (PrefixSidCase) bindingSubTlv;
+        final ByteBuf buffer = Unpooled.buffer();
+        SrPrefixAttributesParser.serializePrefixAttributes(prefix.getFlags(), prefix.getAlgorithm(), prefix.getSidLabelIndex(), buffer);
+        TlvUtil.writeTLV(getType(), buffer, aggregator);
+    }
+}