*/
package org.opendaylight.protocol.pcep.impl.object;
-import org.opendaylight.protocol.pcep.PCEPDeserializerException;
-import org.opendaylight.protocol.pcep.PCEPDocumentedException;
-import org.opendaylight.protocol.pcep.impl.Util;
-import org.opendaylight.protocol.pcep.spi.TlvHandlerRegistry;
-import org.opendaylight.protocol.util.ByteArray;
+import static org.opendaylight.protocol.util.ByteBufWriteUtil.writeUnsignedByte;
+
+import com.google.common.base.Preconditions;
+import com.google.common.primitives.UnsignedBytes;
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import java.util.List;
+import org.opendaylight.protocol.pcep.spi.AbstractObjectWithTlvsParser;
+import org.opendaylight.protocol.pcep.spi.ObjectUtil;
+import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
+import org.opendaylight.protocol.pcep.spi.PCEPErrors;
+import org.opendaylight.protocol.pcep.spi.TlvRegistry;
+import org.opendaylight.protocol.pcep.spi.VendorInformationTlvRegistry;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Object;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.ObjectHeader;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.PcepErrorObject;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.ReqMissingTlv;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Tlv;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcep.error.object.Tlvs;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcep.error.object.TlvsBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcep.error.object.tlvs.ReqMissingBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.Errors;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.ErrorsBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcep.error.object.ErrorObject;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcep.error.object.ErrorObjectBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcep.error.object.error.object.Tlvs;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcep.error.object.error.object.TlvsBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.req.missing.tlv.ReqMissing;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.vendor.information.tlvs.VendorInformationTlv;
/**
- * Parser for {@link org.opendaylight.protocol.pcep.object.PCEPErrorObject PCEPErrorObject}
+ * Parser for {@link ErrorObject}
*/
-public class PCEPErrorObjectParser extends AbstractObjectWithTlvsParser<ErrorsBuilder> {
-
- public static final int CLASS = 13;
-
- public static final int TYPE = 1;
-
- public static final int FLAGS_F_LENGTH = 1;
- public static final int ET_F_LENGTH = 1;
- public static final int EV_F_LENGTH = 1;
-
- public static final int FLAGS_F_OFFSET = 1; // added reserved field of size 1 byte
- public static final int ET_F_OFFSET = FLAGS_F_OFFSET + FLAGS_F_LENGTH;
- public static final int EV_F_OFFSET = ET_F_OFFSET + ET_F_LENGTH;
- public static final int TLVS_OFFSET = EV_F_OFFSET + EV_F_LENGTH;
-
- public PCEPErrorObjectParser(final TlvHandlerRegistry tlvReg) {
- super(tlvReg);
- }
-
- @Override
- public PcepErrorObject parseObject(final ObjectHeader header, final byte[] bytes) throws PCEPDeserializerException,
- PCEPDocumentedException {
- if (bytes == null) {
- throw new IllegalArgumentException("Array of bytes is mandatory.");
- }
-
- final ErrorsBuilder builder = new ErrorsBuilder();
-
- parseTlvs(builder, ByteArray.cutBytes(bytes, TLVS_OFFSET));
-
- builder.setIgnore(header.isIgnore());
- builder.setProcessingRule(header.isProcessingRule());
-
- builder.setType((short) (bytes[ET_F_OFFSET] & 0xFF));
- builder.setValue((short) (bytes[EV_F_OFFSET] & 0xFF));
-
- return builder.build();
- }
-
- @Override
- public void addTlv(final ErrorsBuilder builder, final Tlv tlv) {
- if (tlv instanceof ReqMissingTlv && builder.getType() == 7) {
- builder.setTlvs(new TlvsBuilder().setReqMissing(
- new ReqMissingBuilder().setRequestId(((ReqMissingTlv) tlv).getRequestId()).build()).build());
- }
- }
-
- @Override
- public byte[] serializeObject(final Object object) {
- if (!(object instanceof PcepErrorObject)) {
- throw new IllegalArgumentException("Wrong instance of PCEPObject. Passed " + object.getClass() + ". Needed PcepErrorObject.");
- }
-
- final PcepErrorObject errObj = (PcepErrorObject) object;
-
- final byte[] tlvs = serializeTlvs(((Errors) errObj).getTlvs());
- int tlvsLength = 0;
- if (tlvs != null) {
- tlvsLength = tlvs.length;
- }
- final byte[] retBytes = new byte[TLVS_OFFSET + tlvsLength + Util.getPadding(TLVS_OFFSET + tlvs.length, PADDED_TO)];
-
- if (tlvs != null) {
- ByteArray.copyWhole(tlvs, retBytes, TLVS_OFFSET);
- }
-
- retBytes[ET_F_OFFSET] = ByteArray.shortToBytes(errObj.getType())[1];
- retBytes[EV_F_OFFSET] = ByteArray.shortToBytes(errObj.getValue())[1];
-
- return retBytes;
- }
-
- public byte[] serializeTlvs(final Tlvs tlvs) {
- if (tlvs.getReqMissing() != null) {
- return serializeTlv(new ReqMissingBuilder().setRequestId(tlvs.getReqMissing().getRequestId()).build());
- }
- return null;
- }
-
- @Override
- public int getObjectType() {
- return TYPE;
- }
-
- @Override
- public int getObjectClass() {
- return CLASS;
- }
+public class PCEPErrorObjectParser extends AbstractObjectWithTlvsParser<ErrorObjectBuilder> {
+
+ public static final int CLASS = 13;
+
+ public static final int TYPE = 1;
+
+ private static final int FLAGS_F_LENGTH = 1;
+
+ private static final int RESERVED = 1;
+
+ public PCEPErrorObjectParser(final TlvRegistry tlvReg, final VendorInformationTlvRegistry viTlvReg) {
+ super(tlvReg, viTlvReg);
+ }
+
+ @Override
+ public ErrorObject parseObject(final ObjectHeader header, final ByteBuf bytes) throws PCEPDeserializerException {
+ Preconditions.checkArgument(bytes != null && bytes.isReadable(), "Array of bytes is mandatory. Can't be null or empty.");
+ final ErrorObjectBuilder builder = new ErrorObjectBuilder();
+ builder.setIgnore(header.isIgnore());
+ builder.setProcessingRule(header.isProcessingRule());
+ bytes.readerIndex(bytes.readerIndex() + FLAGS_F_LENGTH + RESERVED);
+ builder.setType((short) UnsignedBytes.toInt(bytes.readByte()));
+ builder.setValue((short) UnsignedBytes.toInt(bytes.readByte()));
+ parseTlvs(builder, bytes.slice());
+ return builder.build();
+ }
+
+ @Override
+ public void addTlv(final ErrorObjectBuilder builder, final Tlv tlv) {
+ if (tlv instanceof ReqMissing && builder.getType() == PCEPErrors.SYNC_PATH_COMP_REQ_MISSING.getErrorType()) {
+ builder.setTlvs(new TlvsBuilder().setReqMissing((ReqMissing) tlv).build());
+ }
+ }
+
+ @Override
+ public void serializeObject(final Object object, final ByteBuf buffer) {
+ Preconditions.checkArgument(object instanceof ErrorObject, "Wrong instance of PCEPObject. Passed %s. Needed ErrorObject.", object.getClass());
+ final ErrorObject errObj = (ErrorObject) object;
+ final ByteBuf body = Unpooled.buffer();
+ body.writeZero(FLAGS_F_LENGTH + RESERVED);
+ Preconditions.checkArgument(errObj.getType() != null, "Type is mandatory.");
+ writeUnsignedByte(errObj.getType(), body);
+ Preconditions.checkArgument(errObj.getValue() != null, "Value is mandatory.");
+ writeUnsignedByte(errObj.getValue(), body);
+ serializeTlvs(errObj.getTlvs(), body);
+ ObjectUtil.formatSubobject(TYPE, CLASS, object.isProcessingRule(), object.isIgnore(), body, buffer);
+ }
+
+ public void serializeTlvs(final Tlvs tlvs, final ByteBuf body) {
+ if (tlvs == null) {
+ return;
+ }
+ if (tlvs.getReqMissing() != null) {
+ serializeTlv(tlvs.getReqMissing(), body);
+ }
+ serializeVendorInformationTlvs(tlvs.getVendorInformationTlv(), body);
+ }
+
+ @Override
+ protected final void addVendorInformationTlvs(final ErrorObjectBuilder builder, final List<VendorInformationTlv> tlvs) {
+ if (!tlvs.isEmpty()) {
+ builder.setTlvs(new TlvsBuilder(builder.getTlvs()).setVendorInformationTlv(tlvs).build());
+ }
+ }
}
Code Review / bgpcep.git / blobdiff