*/
package org.opendaylight.protocol.pcep.impl.subobject;
-import org.opendaylight.protocol.pcep.PCEPDeserializerException;
+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.Subobjects;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.exclude.route.object.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.SrlgId;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev130820.SrlgSubobject;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev130820.basic.explicit.route.subobjects.subobject.type.SrlgBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev130820.basic.explicit.route.subobjects.subobject.type.SrlgCase;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev130820.basic.explicit.route.subobjects.subobject.type.SrlgCaseBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev130820.basic.explicit.route.subobjects.subobject.type.srlg._case.SrlgBuilder;
/**
- * Parser for {@link SrlgSubobject}
+ * Parser for {@link SrlgCase}
*/
public class XROSRLGSubobjectParser implements XROSubobjectParser, XROSubobjectSerializer {
- public static final int TYPE = 34;
-
- public static final int SRLG_ID_NUMBER_LENGTH = 4;
- public static final int ATTRIBUTE_LENGTH = 1;
-
- public static final int SRLG_ID_NUMBER_OFFSET = 0;
- public static final int ATTRIBUTE_OFFSET = SRLG_ID_NUMBER_OFFSET + SRLG_ID_NUMBER_LENGTH + 1; // added reserved
- // field of size 1
-
- public static final int CONTENT_LENGTH = ATTRIBUTE_OFFSET + ATTRIBUTE_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();
- builder.setMandatory(mandatory);
- builder.setAttribute(Attribute.Srlg);
- builder.setSubobjectType(new SrlgBuilder().setSrlgId(
- new SrlgId(ByteArray.bytesToLong(ByteArray.subByte(buffer, SRLG_ID_NUMBER_OFFSET, SRLG_ID_NUMBER_LENGTH)))).build());
- return builder.build();
- }
-
- @Override
- public byte[] serializeSubobject(final Subobjects subobject) {
- if (!(subobject.getSubobjectType() instanceof SrlgSubobject))
- throw new IllegalArgumentException("Unknown PCEPXROSubobject instance. Passed " + subobject.getSubobjectType().getClass()
- + ". Needed SrlgSubobject.");
-
- byte[] retBytes;
- retBytes = new byte[CONTENT_LENGTH];
- final SrlgSubobject specObj = (SrlgSubobject) subobject.getSubobjectType();
-
- ByteArray.copyWhole(ByteArray.longToBytes(specObj.getSrlgId().getValue()), retBytes, SRLG_ID_NUMBER_OFFSET);
- retBytes[ATTRIBUTE_OFFSET] = (byte) subobject.getAttribute().getIntValue();
-
- return retBytes;
- }
-
- @Override
- public int getType() {
- return TYPE;
- }
+ public static final int TYPE = 34;
+
+ private static final int CONTENT_LENGTH = 5;
+
+ @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 + ".");
+ }
+ final SubobjectBuilder builder = new SubobjectBuilder();
+ builder.setMandatory(mandatory);
+ builder.setAttribute(Attribute.Srlg);
+ builder.setSubobjectType(new SrlgCaseBuilder().setSrlg(new SrlgBuilder().setSrlgId(new SrlgId(buffer.readUnsignedInt())).build()).build());
+ return builder.build();
+ }
+
+ @Override
+ public void serializeSubobject(final Subobject subobject, final ByteBuf buffer) {
+ Preconditions.checkArgument(subobject.getSubobjectType() instanceof SrlgCase, "Unknown subobject instance. Passed %s. Needed SrlgCase.", subobject.getSubobjectType().getClass());
+ final SrlgSubobject specObj = ((SrlgCase) subobject.getSubobjectType()).getSrlg();
+ final ByteBuf body = Unpooled.buffer(CONTENT_LENGTH);
+ Preconditions.checkArgument(specObj.getSrlgId() != null, "SrlgId is mandatory.");
+ writeUnsignedInt(specObj.getSrlgId().getValue(), body);
+ Preconditions.checkArgument(subobject.getAttribute() != null, "Attribute is mandatory.");
+ writeUnsignedByte((short) subobject.getAttribute().getIntValue(), body);
+ XROSubobjectUtil.formatSubobject(TYPE, subobject.isMandatory(), body, buffer);
+ }
}
Code Review / bgpcep.git / blobdiff