diff options
Diffstat (limited to 'framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/PcepRsvpObjectHeader.java')
-rw-r--r-- | framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/PcepRsvpObjectHeader.java | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/PcepRsvpObjectHeader.java b/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/PcepRsvpObjectHeader.java new file mode 100644 index 00000000..bddcb898 --- /dev/null +++ b/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/PcepRsvpObjectHeader.java @@ -0,0 +1,161 @@ +/* + * 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 org.jboss.netty.buffer.ChannelBuffer; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import com.google.common.base.MoreObjects; + +/** + * Provides PcepRsvpObjectHeader. + */ +public class PcepRsvpObjectHeader { + + /* + 0 1 2 3 + +-------------+-------------+-------------+-------------+ + | Length (bytes) | Class-Num | C-Type | + +-------------+-------------+-------------+-------------+ + | | + // (Object contents) // + | | + +-------------+-------------+-------------+-------------+ + + ERROR_SPEC object Header + */ + + protected static final Logger log = LoggerFactory.getLogger(PcepRsvpObjectHeader.class); + + public static final boolean REQ_OBJ_MUST_PROCESS = true; + public static final boolean REQ_OBJ_OPTIONAL_PROCESS = false; + public static final boolean RSP_OBJ_IGNORED = true; + public static final boolean RSP_OBJ_PROCESSED = false; + public static final int OBJECT_TYPE_SHIFT_VALUE = 4; + private byte objClassNum; + private byte objClassType; + private short objLen; + + /** + * Constructor to initialize class num, length and type. + * + * @param objClassNum object class number + * @param objClassType object class type + * @param objLen object length + */ + public PcepRsvpObjectHeader(byte objClassNum, byte objClassType, short objLen) { + this.objClassNum = objClassNum; + this.objClassType = objClassType; + this.objLen = objLen; + } + + /** + * Sets the Class-Num. + * + * @param value object class number + */ + public void setObjClassNum(byte value) { + this.objClassNum = value; + } + + /** + * Sets the Class type. + * + * @param value object class type + */ + public void setObjClassType(byte value) { + this.objClassType = value; + } + + /** + * Sets the Class Length. + * + * @param value object length + */ + public void setObjLen(short value) { + this.objLen = value; + } + + /** + * Returns Object Length. + * + * @return objLen + */ + public short getObjLen() { + return this.objLen; + } + + /** + * Returns Object num. + * + * @return objClassNum + */ + public byte getObjClassNum() { + return this.objClassNum; + } + + /** + * Returns Object type. + * + * @return objClassType + */ + public byte getObjClassType() { + return this.objClassType; + } + + /** + * Writes the byte stream of PcepRsvpObjectHeader to channel buffer. + * + * @param cb of type channel buffer + * @return object length index in channel buffer + */ + public int write(ChannelBuffer cb) { + int iLenStartIndex = cb.writerIndex(); + cb.writeShort((short) 0); + cb.writeByte(this.objClassNum); + cb.writeByte(this.objClassType); + return cb.writerIndex() - iLenStartIndex; + } + + /** + * Reads the PcepRsvpObjectHeader. + * + * @param cb input channel buffer + * @return PcepRsvpObjectHeader + */ + public static PcepRsvpObjectHeader read(ChannelBuffer cb) { + log.debug("read "); + byte objClassNum; + byte objClassType; + short objLen; + objLen = cb.readShort(); + objClassNum = cb.readByte(); + objClassType = cb.readByte(); + + return new PcepRsvpObjectHeader(objClassNum, objClassType, objLen); + } + + @Override + public String toString() { + return MoreObjects.toStringHelper(getClass()) + .add("ObjectClassNum", objClassNum) + .add("ObjectCType", objClassType) + .add("ObjectLength", objLen) + .toString(); + } +} |