*/
package org.opendaylight.protocol.pcep.impl.subobject;
-import java.util.Arrays;
+import io.netty.buffer.ByteBuf;
+
import java.util.BitSet;
-import org.opendaylight.protocol.pcep.PCEPDeserializerException;
+import org.opendaylight.protocol.pcep.impl.object.EROSubobjectUtil;
import org.opendaylight.protocol.pcep.spi.EROSubobjectParser;
import org.opendaylight.protocol.pcep.spi.EROSubobjectSerializer;
-import org.opendaylight.protocol.pcep.spi.LabelHandlerRegistry;
-import org.opendaylight.protocol.pcep.spi.LabelParser;
-import org.opendaylight.protocol.pcep.spi.LabelSerializer;
+import org.opendaylight.protocol.pcep.spi.LabelRegistry;
+import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
import org.opendaylight.protocol.util.ByteArray;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.explicit.route.object.Subobjects;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.explicit.route.object.SubobjectsBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev130820.CLabel;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev130820.LabelSubobject;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev130820.basic.explicit.route.subobjects.subobject.type.LabelBuilder;
+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.basic.explicit.route.subobjects.subobject.type.LabelCase;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev130820.basic.explicit.route.subobjects.subobject.type.LabelCaseBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev130820.basic.explicit.route.subobjects.subobject.type.label._case.Label;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev130820.basic.explicit.route.subobjects.subobject.type.label._case.LabelBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev130820.label.subobject.LabelType;
import com.google.common.base.Preconditions;
+import com.google.common.primitives.UnsignedBytes;
public class EROLabelSubobjectParser implements EROSubobjectParser, EROSubobjectSerializer {
private static final int U_FLAG_OFFSET = 0;
- private final LabelHandlerRegistry registry;
+ private final LabelRegistry registry;
- public EROLabelSubobjectParser(final LabelHandlerRegistry labelReg) {
+ public EROLabelSubobjectParser(final LabelRegistry labelReg) {
this.registry = Preconditions.checkNotNull(labelReg);
}
@Override
- public Subobjects parseSubobject(final byte[] buffer, final boolean loose) 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 < HEADER_LENGTH)
- throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + buffer.length + "; Expected: >"
+ 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() < HEADER_LENGTH) {
+ throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + buffer.readableBytes() + "; Expected: >"
+ HEADER_LENGTH + ".");
-
- final BitSet reserved = ByteArray.bytesToBitSet(Arrays.copyOfRange(buffer, RES_F_OFFSET, RES_F_LENGTH));
-
- final short c_type = (short) (buffer[C_TYPE_F_OFFSET] & 0xFF);
-
- final LabelParser parser = this.registry.getLabelParser(c_type);
-
- if (parser == null) {
- throw new PCEPDeserializerException("Unknown C-TYPE for ero label subobject. Passed: " + c_type);
}
+ final BitSet reserved = ByteArray.bytesToBitSet(ByteArray.readBytes(buffer, RES_F_LENGTH));
+ final short cType = (short) UnsignedBytes.toInt(buffer.readByte());
+ //FIXME: switch to ByteBuf
+ final LabelType labelType = this.registry.parseLabel(cType, ByteArray.readAllBytes(buffer));
+ if (labelType == null) {
+ throw new PCEPDeserializerException("Unknown C-TYPE for ero label subobject. Passed: " + cType);
+ }
final LabelBuilder builder = new LabelBuilder();
builder.setUniDirectional(reserved.get(U_FLAG_OFFSET));
- builder.setLabelType(parser.parseLabel(ByteArray.cutBytes(buffer, HEADER_LENGTH)));
- return new SubobjectsBuilder().setLoose(loose).setSubobjectType(builder.build()).build();
+ builder.setLabelType(labelType);
+ return new SubobjectBuilder().setLoose(loose).setSubobjectType(new LabelCaseBuilder().setLabel(builder.build()).build()).build();
}
@Override
- public byte[] serializeSubobject(final Subobjects subobject) {
+ public byte[] serializeSubobject(final Subobject subobject) {
Preconditions.checkNotNull(subobject.getSubobjectType(), "Subobject type cannot be empty.");
-
- final LabelSubobject label = (LabelSubobject) subobject.getSubobjectType();
-
- final LabelSerializer serializer = this.registry.getLabelSerializer((CLabel) label);
-
- if (serializer == null)
- throw new IllegalArgumentException("Unknown EROLabelSubobject instance. Passed " + label.getClass());
-
- final byte[] labelbytes = serializer.serializeLabel((CLabel) label);
-
- final byte[] retBytes = new byte[labelbytes.length + HEADER_LENGTH];
-
- System.arraycopy(labelbytes, 0, retBytes, HEADER_LENGTH, labelbytes.length);
-
- final BitSet reserved = new BitSet();
- reserved.set(U_FLAG_OFFSET, label.isUniDirectional());
- System.arraycopy(ByteArray.bitSetToBytes(reserved, RES_F_LENGTH), 0, retBytes, RES_F_OFFSET, RES_F_LENGTH);
-
- retBytes[C_TYPE_F_OFFSET] = (byte) serializer.getType();
-
- return retBytes;
- }
-
- @Override
- public int getType() {
- return TYPE;
+ final Label label = ((LabelCase) subobject.getSubobjectType()).getLabel();
+ final byte[] labelbytes = this.registry.serializeLabel(label.isUniDirectional(), false, label.getLabelType());
+ if (labelbytes == null) {
+ throw new IllegalArgumentException("Unknown EROLabelSubobject instance. Passed "
+ + label.getLabelType().getImplementedInterface());
+ }
+ return EROSubobjectUtil.formatSubobject(TYPE, subobject.isLoose(), labelbytes);
}
}
Code Review / bgpcep.git / blobdiff