*/
package org.opendaylight.protocol.pcep.impl.subobject;
-import org.opendaylight.protocol.util.ByteArray;
-import org.opendaylight.protocol.concepts.IPv4Address;
-import org.opendaylight.protocol.pcep.PCEPDeserializerException;
-import org.opendaylight.protocol.pcep.concepts.UnnumberedInterfaceIdentifier;
-import org.opendaylight.protocol.pcep.subobject.EROUnnumberedInterfaceSubobject;
-import org.opendaylight.protocol.pcep.subobject.ExplicitRouteSubobject;
-import com.google.common.primitives.UnsignedInts;
+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.EROSubobjectParser;
+import org.opendaylight.protocol.pcep.spi.EROSubobjectSerializer;
+import org.opendaylight.protocol.pcep.spi.EROSubobjectUtil;
+import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.explicit.route.object.ero.Subobject;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.explicit.route.object.ero.SubobjectBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev130820.UnnumberedSubobject;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev130820.basic.explicit.route.subobjects.subobject.type.UnnumberedCase;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev130820.basic.explicit.route.subobjects.subobject.type.UnnumberedCaseBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev130820.basic.explicit.route.subobjects.subobject.type.unnumbered._case.UnnumberedBuilder;
/**
- * Parser for
- * {@link org.opendaylight.protocol.pcep.subobject.EROUnnumberedInterfaceSubobject
- * EROUnnumberedInterfaceSubobject}
+ * Parser for {@link UnnumberedCase}
*/
-public class EROUnnumberedInterfaceSubobjectParser {
- public static final int ROUTER_ID_NUMBER_LENGTH = 4;
- public static final int INTERFACE_ID_NUMBER_LENGTH = 4;
-
- public static final int ROUTER_ID_NUMBER_OFFSET = 2; // added reserved field of size 2
- public static final int INTERFACE_ID_NUMBER_OFFSET = ROUTER_ID_NUMBER_OFFSET + ROUTER_ID_NUMBER_LENGTH;
-
- public static final int CONTENT_LENGTH = INTERFACE_ID_NUMBER_OFFSET + INTERFACE_ID_NUMBER_LENGTH;
-
- public static EROUnnumberedInterfaceSubobject parse(byte[] soContentsBytes, boolean loose) throws PCEPDeserializerException {
- if (soContentsBytes == null || soContentsBytes.length == 0)
- throw new IllegalArgumentException("Array of bytes is mandatory. Can't be null or empty.");
- if (soContentsBytes.length != CONTENT_LENGTH)
- throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + soContentsBytes.length + "; Expected: " + CONTENT_LENGTH + ".");
+public class EROUnnumberedInterfaceSubobjectParser implements EROSubobjectParser, EROSubobjectSerializer {
- return new EROUnnumberedInterfaceSubobject(new IPv4Address(ByteArray.subByte(soContentsBytes, ROUTER_ID_NUMBER_OFFSET, ROUTER_ID_NUMBER_LENGTH)), new UnnumberedInterfaceIdentifier(
- UnsignedInts.toLong(ByteArray.bytesToInt(ByteArray.subByte(soContentsBytes, INTERFACE_ID_NUMBER_OFFSET, INTERFACE_ID_NUMBER_LENGTH)))), loose);
- }
+ public static final int TYPE = 4;
- public static byte[] put(ExplicitRouteSubobject objToSerialize) {
- if (!(objToSerialize instanceof EROUnnumberedInterfaceSubobject))
- throw new IllegalArgumentException("Unknown ExplicitRouteSubobject instance. Passed " + objToSerialize.getClass()
- + ". Needed EROUnnumberedInterfaceSubobject.");
+ private static final int RESERVED = 2;
- byte[] retBytes;
- retBytes = new byte[CONTENT_LENGTH];
- final EROUnnumberedInterfaceSubobject specObj = (EROUnnumberedInterfaceSubobject) objToSerialize;
+ private static final int CONTENT_LENGTH = 10;
- ByteArray.copyWhole(specObj.getRouterID().getAddress(), retBytes, ROUTER_ID_NUMBER_OFFSET);
- System.arraycopy(ByteArray.longToBytes(specObj.getInterfaceID().getInterfaceId()), Long.SIZE / Byte.SIZE - INTERFACE_ID_NUMBER_LENGTH, retBytes,
- INTERFACE_ID_NUMBER_OFFSET, INTERFACE_ID_NUMBER_LENGTH);
+ @Override
+ public Subobject parseSubobject(final ByteBuf buffer, final boolean loose) 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();
+ builder.setLoose(loose);
+ 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();
+ }
- return retBytes;
- }
+ @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 ByteBuf body = Unpooled.buffer(CONTENT_LENGTH);
+ 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);
+ EROSubobjectUtil.formatSubobject(TYPE, subobject.isLoose(), body, buffer);
+ }
}
Code Review / bgpcep.git / blobdiff