*/
package org.opendaylight.protocol.pcep.impl.subobject;
-import org.opendaylight.protocol.pcep.impl.object.XROSubobjectUtil;
+import static org.opendaylight.protocol.util.ByteBufWriteUtil.writeUnsignedByte;
+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.XROSubobjectParser;
import org.opendaylight.protocol.pcep.spi.XROSubobjectSerializer;
-import org.opendaylight.protocol.util.ByteArray;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.exclude.route.object.xro.Subobjects;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.exclude.route.object.xro.SubobjectsBuilder;
+import org.opendaylight.protocol.pcep.spi.XROSubobjectUtil;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.exclude.route.object.xro.Subobject;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.exclude.route.object.xro.SubobjectBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev130820.ExcludeRouteSubobjects.Attribute;
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;
-import com.google.common.primitives.UnsignedBytes;
-import com.google.common.primitives.UnsignedInts;
-
/**
* Parser for {@link UnnumberedCase}
*/
public class XROUnnumberedInterfaceSubobjectParser implements XROSubobjectParser, XROSubobjectSerializer {
- public static final int TYPE = 4;
-
- private static final int ATTRIBUTE_LENGTH = 1;
- private static final int ROUTER_ID_NUMBER_LENGTH = 4;
- private static final int INTERFACE_ID_NUMBER_LENGTH = 4;
-
- private static final int ATTRIBUTE_OFFSET = 1;
- private static final int ROUTER_ID_NUMBER_OFFSET = ATTRIBUTE_OFFSET + ATTRIBUTE_LENGTH;
- private static final int INTERFACE_ID_NUMBER_OFFSET = ROUTER_ID_NUMBER_OFFSET + ROUTER_ID_NUMBER_LENGTH;
-
- private static final int CONTENT_LENGTH = INTERFACE_ID_NUMBER_OFFSET + INTERFACE_ID_NUMBER_LENGTH;
-
- @Override
- public Subobjects parseSubobject(final byte[] buffer, final boolean mandatory) throws PCEPDeserializerException {
- if (buffer == null || buffer.length == 0) {
- throw new IllegalArgumentException("Array of bytes is mandatory. Can't be null or empty.");
- }
- if (buffer.length != CONTENT_LENGTH) {
- throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + buffer.length + "; Expected: "
- + CONTENT_LENGTH + ".");
- }
-
- final SubobjectsBuilder builder = new SubobjectsBuilder();
- final UnnumberedBuilder ubuilder = new UnnumberedBuilder();
- ubuilder.setRouterId(ByteArray.bytesToLong(ByteArray.subByte(buffer, ROUTER_ID_NUMBER_OFFSET, ROUTER_ID_NUMBER_LENGTH)));
- ubuilder.setInterfaceId(UnsignedInts.toLong(ByteArray.bytesToInt(ByteArray.subByte(buffer, INTERFACE_ID_NUMBER_OFFSET,
- INTERFACE_ID_NUMBER_LENGTH))));
- builder.setSubobjectType(new UnnumberedCaseBuilder().setUnnumbered(ubuilder.build()).build());
- builder.setMandatory(mandatory);
- builder.setAttribute(Attribute.forValue(UnsignedBytes.toInt(buffer[ATTRIBUTE_OFFSET])));
- return builder.build();
- }
+ public static final int TYPE = 4;
- @Override
- public byte[] serializeSubobject(final Subobjects subobject) {
- if (!(subobject.getSubobjectType() instanceof UnnumberedCase)) {
- throw new IllegalArgumentException("Unknown PCEPXROSubobject instance. Passed " + subobject.getSubobjectType().getClass()
- + ". Needed UnnumberedCase.");
- }
+ private static final int RESERVED = 1;
- final byte[] retBytes = new byte[CONTENT_LENGTH];
- final UnnumberedSubobject specObj = ((UnnumberedCase) subobject.getSubobjectType()).getUnnumbered();
+ private static final int CONTENT_LENGTH = 10;
- retBytes[ATTRIBUTE_OFFSET] = UnsignedBytes.checkedCast(subobject.getAttribute().getIntValue());
- ByteArray.copyWhole(ByteArray.longToBytes(specObj.getRouterId(), ROUTER_ID_NUMBER_LENGTH), retBytes, ROUTER_ID_NUMBER_OFFSET);
- System.arraycopy(ByteArray.longToBytes(specObj.getInterfaceId(), INTERFACE_ID_NUMBER_LENGTH), 0, retBytes,
- INTERFACE_ID_NUMBER_OFFSET, INTERFACE_ID_NUMBER_LENGTH);
- return XROSubobjectUtil.formatSubobject(TYPE, subobject.isMandatory(), retBytes);
- }
+ @Override
+ public Subobject parseSubobject(final ByteBuf buffer, final boolean mandatory) 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 + ".");
+ }
+ buffer.readerIndex(buffer.readerIndex() + RESERVED);
+ final SubobjectBuilder builder = new SubobjectBuilder();
+ builder.setMandatory(mandatory);
+ builder.setAttribute(Attribute.forValue(buffer.readUnsignedByte()));
+ final UnnumberedBuilder ubuilder = new UnnumberedBuilder();
+ ubuilder.setRouterId(buffer.readUnsignedInt());
+ ubuilder.setInterfaceId(buffer.readUnsignedInt());
+ builder.setSubobjectType(new UnnumberedCaseBuilder().setUnnumbered(ubuilder.build()).build());
+ return builder.build();
+ }
- @Override
- public int getType() {
- return TYPE;
- }
+ @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);
+ writeUnsignedByte(subobject.getAttribute() != null ? (short) subobject.getAttribute().getIntValue() : null, body);
+ Preconditions.checkArgument(specObj.getRouterId() != null, "RouterId is mandatory.");
+ writeUnsignedInt(specObj.getRouterId(), body);
+ Preconditions.checkArgument(specObj.getInterfaceId() != null, "InterfaceId is mandatory.");
+ writeUnsignedInt(specObj.getInterfaceId(), body);
+ XROSubobjectUtil.formatSubobject(TYPE, subobject.isMandatory(), body, buffer);
+ }
}
Code Review / bgpcep.git / blobdiff