Move pcep base parser Activator to its own bundle

[bgpcep.git] / pcep / base-parser / src / main / java / org / opendaylight / protocol / pcep / parser / subobject / RROUnnumberedInterfaceSubobjectParser.java

diff --git a/pcep/base-parser/src/main/java/org/opendaylight/protocol/pcep/parser/subobject/RROUnnumberedInterfaceSubobjectParser.java b/pcep/base-parser/src/main/java/org/opendaylight/protocol/pcep/parser/subobject/RROUnnumberedInterfaceSubobjectParser.java
new file mode 100644 (file)
index 0000000..b6d356a
--- /dev/null
+++ b/pcep/base-parser/src/main/java/org/opendaylight/protocol/pcep/parser/subobject/RROUnnumberedInterfaceSubobjectParser.java
@@ -0,0 +1,77 @@
+/*
+ * 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.pcep.parser.subobject;
+
+import static org.opendaylight.protocol.util.ByteBufWriteUtil.writeUnsignedInt;
+
+import com.google.common.base.Preconditions;
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
+import org.opendaylight.protocol.pcep.spi.RROSubobjectParser;
+import org.opendaylight.protocol.pcep.spi.RROSubobjectSerializer;
+import org.opendaylight.protocol.pcep.spi.RROSubobjectUtil;
+import org.opendaylight.protocol.util.BitArray;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.reported.route.object.rro.Subobject;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.reported.route.object.rro.SubobjectBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.UnnumberedSubobject;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.record.route.subobjects.subobject.type.UnnumberedCase;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.record.route.subobjects.subobject.type.UnnumberedCaseBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.record.route.subobjects.subobject.type.unnumbered._case.UnnumberedBuilder;
+
+/**
+ * Parser for {@link UnnumberedCase}
+ */
+public class RROUnnumberedInterfaceSubobjectParser implements RROSubobjectParser, RROSubobjectSerializer {
+
+    public static final int TYPE = 4;
+
+    private static final int FLAGS_SIZE = 8;
+    private static final int RESERVED = 1;
+
+    private static final int CONTENT_LENGTH = 10;
+
+    private static final int LPA_F_OFFSET = 7;
+    private static final int LPIU_F_OFFSET = 6;
+
+    @Override
+    public Subobject parseSubobject(final ByteBuf buffer) throws PCEPDeserializerException {
+        Preconditions.checkArgument(buffer != null && buffer.isReadable(), "Array of bytes is mandatory. Can't be null or empty.");
+        if (buffer.readableBytes() != CONTENT_LENGTH) {
+            throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + buffer.readableBytes() + "; Expected: "
+                    + CONTENT_LENGTH + ".");
+        }
+        final SubobjectBuilder builder = new SubobjectBuilder();
+        final BitArray flags = BitArray.valueOf(buffer, FLAGS_SIZE);
+        builder.setProtectionAvailable(flags.get(LPA_F_OFFSET));
+        builder.setProtectionInUse(flags.get(LPIU_F_OFFSET));
+        final UnnumberedBuilder ubuilder = new UnnumberedBuilder();
+        buffer.skipBytes(RESERVED);
+        ubuilder.setRouterId(buffer.readUnsignedInt());
+        ubuilder.setInterfaceId(buffer.readUnsignedInt());
+        builder.setSubobjectType(new UnnumberedCaseBuilder().setUnnumbered(ubuilder.build()).build());
+        return builder.build();
+    }
+
+    @Override
+    public void serializeSubobject(final Subobject subobject, final ByteBuf buffer) {
+        Preconditions.checkArgument(subobject.getSubobjectType() instanceof UnnumberedCase, "Unknown subobject instance. Passed %s. Needed UnnumberedCase.", subobject.getSubobjectType().getClass());
+        final UnnumberedSubobject specObj = ((UnnumberedCase) subobject.getSubobjectType()).getUnnumbered();
+        final BitArray flags = new BitArray(FLAGS_SIZE);
+        flags.set(LPA_F_OFFSET, subobject.isProtectionAvailable());
+        flags.set(LPIU_F_OFFSET, subobject.isProtectionInUse());
+        final ByteBuf body = Unpooled.buffer(CONTENT_LENGTH);
+        flags.toByteBuf(body);
+        body.writeZero(RESERVED);
+        Preconditions.checkArgument(specObj.getRouterId() != null, "RouterId is mandatory.");
+        writeUnsignedInt(specObj.getRouterId(), body);
+        Preconditions.checkArgument(specObj.getInterfaceId() != null, "InterfaceId is mandatory.");
+        writeUnsignedInt(specObj.getInterfaceId(), body);
+        RROSubobjectUtil.formatSubobject(TYPE, body, buffer);
+    }
+}