* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
-
package org.opendaylight.protocol.pcep.ietf.stateful07;
-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.TlvHandlerRegistry;
-import org.opendaylight.protocol.pcep.spi.UnknownObject;
+import org.opendaylight.protocol.pcep.impl.object.PCEPOpenObjectParser;
+import org.opendaylight.protocol.pcep.spi.TlvRegistry;
import org.opendaylight.protocol.util.ByteArray;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.Tlvs2;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.Tlvs2Builder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.Tlvs1;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.Tlvs1Builder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.stateful.capability.tlv.Stateful;
-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.ProtocolVersion;
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.of.list.tlv.OfList;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.open.object.Open;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.open.object.OpenBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.open.object.open.Tlvs;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.open.object.open.TlvsBuilder;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import com.google.common.primitives.UnsignedBytes;
/**
- * Parser for {@link Open}
+ * Parser for Open object
*/
-public class Stateful07OpenObjectParser extends AbstractObjectWithTlvsParser<TlvsBuilder> {
- private static final Logger LOG = LoggerFactory.getLogger(Stateful07OpenObjectParser.class);
-
- public static final int CLASS = 1;
-
- public static final int TYPE = 1;
-
- /*
- * lengths of fields in bytes
- */
- private static final int VER_FLAGS_MF_LENGTH = 1;
- private static final int KEEPALIVE_F_LENGTH = 1;
- private static final int DEAD_TIMER_LENGTH = 1;
- private static final int SID_F_LENGTH = 1;
-
- /*
- * lengths of subfields inside multi-field in bits
- */
- private static final int VERSION_SF_LENGTH = 3;
-
- /*
- * offsets of field in bytes
- */
- private static final int VER_FLAGS_MF_OFFSET = 0;
- private static final int KEEPALIVE_F_OFFSET = VER_FLAGS_MF_OFFSET + VER_FLAGS_MF_LENGTH;
- private static final int DEAD_TIMER_OFFSET = KEEPALIVE_F_OFFSET + KEEPALIVE_F_LENGTH;
- private static final int SID_F_OFFSET = DEAD_TIMER_OFFSET + DEAD_TIMER_LENGTH;
- private static final int TLVS_OFFSET = SID_F_OFFSET + SID_F_LENGTH;
-
- /*
- * offsets of subfields inside multi-field in bits
- */
- private static final int VERSION_SF_OFFSET = 0;
-
- private static final int PCEP_VERSION = 1;
-
- public Stateful07OpenObjectParser(final TlvHandlerRegistry tlvReg) {
- super(tlvReg);
- }
-
- @Override
- public Object parseObject(final ObjectHeader header, final byte[] bytes) throws PCEPDeserializerException {
- if (bytes == null || bytes.length == 0) {
- throw new IllegalArgumentException("Array of bytes is mandatory. Can't be null or empty.");
- }
- final int versionValue = ByteArray.copyBitsRange(bytes[VER_FLAGS_MF_OFFSET], VERSION_SF_OFFSET, VERSION_SF_LENGTH);
-
- final OpenBuilder builder = new OpenBuilder();
- builder.setVersion(new ProtocolVersion((short) versionValue));
- builder.setProcessingRule(header.isProcessingRule());
- builder.setIgnore(header.isIgnore());
- builder.setDeadTimer((short) UnsignedBytes.toInt(bytes[DEAD_TIMER_OFFSET]));
- builder.setKeepalive((short) UnsignedBytes.toInt(bytes[KEEPALIVE_F_OFFSET]));
- builder.setSessionId((short) UnsignedBytes.toInt(bytes[SID_F_OFFSET]));
-
- final TlvsBuilder tbuilder = new TlvsBuilder();
- parseTlvs(tbuilder, ByteArray.cutBytes(bytes, TLVS_OFFSET));
- builder.setTlvs(tbuilder.build());
-
- final Open obj = builder.build();
- if (versionValue != PCEP_VERSION) {
- // TODO: Should we move this check into the negotiator
- LOG.debug("Unsupported PCEP version {}", versionValue);
- return new UnknownObject(PCEPErrors.PCEP_VERSION_NOT_SUPPORTED, obj);
- }
-
- return obj;
- }
-
- @Override
- public void addTlv(final TlvsBuilder tbuilder, final Tlv tlv) {
- final Tlvs2Builder statefulBuilder = new Tlvs2Builder();
- if (tbuilder.getAugmentation(Tlvs2.class) != null) {
- final Tlvs2 t = tbuilder.getAugmentation(Tlvs2.class);
- if (t.getStateful() != null) {
- statefulBuilder.setStateful(t.getStateful());
- }
- }
- if (tlv instanceof OfList) {
- tbuilder.setOfList((OfList) tlv);
- } else if (tlv instanceof Stateful) {
- statefulBuilder.setStateful((Stateful) tlv);
- }
- tbuilder.addAugmentation(Tlvs2.class, statefulBuilder.build());
- }
-
- @Override
- public byte[] serializeObject(final Object object) {
- if (!(object instanceof Open)) {
- throw new IllegalArgumentException("Wrong instance of PCEPObject. Passed " + object.getClass() + ". Needed OpenObject.");
- }
- final Open open = (Open) object;
-
- final byte versionFlagMF = (byte) (PCEP_VERSION << (Byte.SIZE - VERSION_SF_LENGTH));
-
- final byte[] tlvs = serializeTlvs(open.getTlvs());
-
- final byte[] bytes = new byte[TLVS_OFFSET + tlvs.length + getPadding(TLVS_OFFSET + tlvs.length, PADDED_TO)];
-
- bytes[VER_FLAGS_MF_OFFSET] = versionFlagMF;
- bytes[KEEPALIVE_F_OFFSET] = UnsignedBytes.checkedCast(open.getKeepalive());
- bytes[DEAD_TIMER_OFFSET] = UnsignedBytes.checkedCast(open.getDeadTimer());
- bytes[SID_F_OFFSET] = UnsignedBytes.checkedCast(open.getSessionId());
- if (tlvs.length != 0) {
- ByteArray.copyWhole(tlvs, bytes, TLVS_OFFSET);
- }
- return ObjectUtil.formatSubobject(TYPE, CLASS, object.isProcessingRule(), object.isIgnore(), bytes);
- }
-
- public byte[] serializeTlvs(final Tlvs tlvs) {
- if (tlvs == null) {
- return new byte[0];
- }
- int finalLength = 0;
- byte[] ofListBytes = null;
- byte[] statefulBytes = null;
- if (tlvs.getOfList() != null) {
- ofListBytes = serializeTlv(tlvs.getOfList());
- finalLength += ofListBytes.length;
- }
- if (tlvs.getAugmentation(Tlvs2.class) != null) {
- final Tlvs2 statefulTlvs = tlvs.getAugmentation(Tlvs2.class);
- if (statefulTlvs.getStateful() != null) {
- statefulBytes = serializeTlv(statefulTlvs.getStateful());
- finalLength += statefulBytes.length;
- }
- }
-
- int offset = 0;
- final byte[] result = new byte[finalLength];
- if (ofListBytes != null) {
- ByteArray.copyWhole(ofListBytes, result, offset);
- offset += ofListBytes.length;
- }
- if (statefulBytes != null) {
- ByteArray.copyWhole(statefulBytes, result, offset);
- offset += statefulBytes.length;
- }
- return result;
- }
-
- @Override
- public int getObjectType() {
- return TYPE;
- }
-
- @Override
- public int getObjectClass() {
- return CLASS;
- }
+public class Stateful07OpenObjectParser extends PCEPOpenObjectParser {
+
+ public Stateful07OpenObjectParser(final TlvRegistry tlvReg) {
+ super(tlvReg);
+ }
+
+ @Override
+ public void addTlv(final TlvsBuilder tbuilder, final Tlv tlv) {
+ super.addTlv(tbuilder, tlv);
+ final Tlvs1Builder statefulBuilder = new Tlvs1Builder();
+ if (tbuilder.getAugmentation(Tlvs1.class) != null) {
+ final Tlvs1 t = tbuilder.getAugmentation(Tlvs1.class);
+ if (t.getStateful() != null) {
+ statefulBuilder.setStateful(t.getStateful());
+ }
+ }
+ if (tlv instanceof Stateful) {
+ statefulBuilder.setStateful((Stateful) tlv);
+ }
+ tbuilder.addAugmentation(Tlvs1.class, statefulBuilder.build());
+ }
+
+ @Override
+ public byte[] serializeTlvs(final Tlvs tlvs) {
+ if (tlvs == null) {
+ return new byte[0];
+ }
+ final byte[] prev = super.serializeTlvs(tlvs);
+ int finalLength = prev.length;
+ byte[] ofListBytes = null;
+ byte[] statefulBytes = null;
+ if (tlvs.getOfList() != null) {
+ ofListBytes = serializeTlv(tlvs.getOfList());
+ finalLength += ofListBytes.length;
+ }
+ if (tlvs.getAugmentation(Tlvs1.class) != null) {
+ final Tlvs1 statefulTlvs = tlvs.getAugmentation(Tlvs1.class);
+ if (statefulTlvs.getStateful() != null) {
+ statefulBytes = serializeTlv(statefulTlvs.getStateful());
+ finalLength += statefulBytes.length;
+ }
+ }
+ final byte[] result = new byte[finalLength];
+ ByteArray.copyWhole(prev, result, 0);
+ int offset = prev.length;
+ if (ofListBytes != null) {
+ ByteArray.copyWhole(ofListBytes, result, offset);
+ offset += ofListBytes.length;
+ }
+ if (statefulBytes != null) {
+ ByteArray.copyWhole(statefulBytes, result, offset);
+ offset += statefulBytes.length;
+ }
+ return result;
+ }
}
Code Review / bgpcep.git / blobdiff