diff options
author | Ashlee Young <ashlee@wildernessvoice.com> | 2015-12-01 05:49:27 -0800 |
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committer | Ashlee Young <ashlee@wildernessvoice.com> | 2015-12-01 05:49:27 -0800 |
commit | e63291850fd0795c5700e25e67e5dee89ba54c5f (patch) | |
tree | 9707289536ad95bb739c9856761ad43275e07d8c /framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/PathKeySubObject.java | |
parent | 671823e12bc13be9a8b87a5d7de33da1bb7a44e8 (diff) |
onos commit hash c2999f30c69e50df905a9d175ef80b3f23a98514
Change-Id: I2bb8562c4942b6d6a6d60b663db2e17540477b81
Signed-off-by: Ashlee Young <ashlee@wildernessvoice.com>
Diffstat (limited to 'framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/PathKeySubObject.java')
-rw-r--r-- | framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/PathKeySubObject.java | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/PathKeySubObject.java b/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/PathKeySubObject.java new file mode 100644 index 00000000..86ad042a --- /dev/null +++ b/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/PathKeySubObject.java @@ -0,0 +1,159 @@ +/* + * Copyright 2015 Open Networking Laboratory + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.onosproject.pcepio.types; + +import java.util.Objects; + +import org.jboss.netty.buffer.ChannelBuffer; +import org.onosproject.pcepio.protocol.PcepVersion; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import com.google.common.base.MoreObjects; + +/** + * Path Key SubObject: When a PCC needs to expand a path-key in order to expand a CPS, it + * issues a Path Computation Request (PCReq) to the PCE identified in + * the PKS in the RSVP-TE ERO that it is processing. The PCC supplies + * the PKS to be expanded in a PATH-KEY SubObject in the PCReq message. + */ +public class PathKeySubObject implements PcepValueType { + + /* + Pathkey subobject(RFC 5520): + 0 1 2 3 + 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + |L| Type | Length | Path-Key | + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + | PCE ID (4 bytes) | + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + */ + + protected static final Logger log = LoggerFactory.getLogger(PathKeySubObject.class); + + public static final byte TYPE = 0x40; + public static final byte LENGTH = 8; + private final short pathKey; + private final int pceID; + + /** + * Constructor for Path Key sub Object which initializes pathKey and pceId. + * + * @param pathKey path key provided by PCC + * @param pceID ID for the PCE + */ + public PathKeySubObject(short pathKey, int pceID) { + this.pathKey = pathKey; + this.pceID = pceID; + } + + /** + * Creates Path Key sub Object which initializes pathKey and pceId. + * + * @param pathKey path key provided by PCC + * @param pceID PCE id + * @return new object of type path key sub object + */ + public static PathKeySubObject of(short pathKey, int pceID) { + return new PathKeySubObject(pathKey, pceID); + } + + /** + * Returns Path Key. + * + * @return pathKey + */ + public short getPathKey() { + return pathKey; + } + + /** + * Returns pceID. + * + * @return pceID + */ + public int getPceId() { + return pceID; + } + + @Override + public PcepVersion getVersion() { + return PcepVersion.PCEP_1; + } + + @Override + public short getType() { + return TYPE; + } + + @Override + public short getLength() { + return LENGTH; + } + + @Override + public int hashCode() { + return Objects.hash(pathKey, pceID); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (obj instanceof PathKeySubObject) { + PathKeySubObject other = (PathKeySubObject) obj; + return Objects.equals(this.pathKey, other.pathKey) && Objects.equals(this.pceID, other.pceID); + } + return false; + } + + @Override + public int write(ChannelBuffer c) { + int iLenStartIndex = c.writerIndex(); + c.writeShort(TYPE); + c.writeShort(LENGTH); + + c.writeShort(pathKey); + c.writeInt(pceID); + + return c.writerIndex() - iLenStartIndex; + } + + /** + * Reads the channel buffer and returns new path key sub objects. + * + * @param c of type channel buffer + * @return object of type path key sub object + */ + public static PcepValueType read(ChannelBuffer c) { + Short pathKey = c.readShort(); + int pceID = c.readInt(); + return new PathKeySubObject(pathKey, pceID); + } + + @Override + public String toString() { + return MoreObjects.toStringHelper(getClass()) + .add("Type", TYPE) + .add("Length", LENGTH) + .add("PathKey", pathKey) + .add("PceID", pceID) + .toString(); + } +} |