diff options
Diffstat (limited to 'framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepLabelRangeObjectVer1.java')
| -rw-r--r-- | framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepLabelRangeObjectVer1.java | 377 |
1 files changed, 0 insertions, 377 deletions
diff --git a/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepLabelRangeObjectVer1.java b/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepLabelRangeObjectVer1.java deleted file mode 100644 index 9e4be911..00000000 --- a/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepLabelRangeObjectVer1.java +++ /dev/null @@ -1,377 +0,0 @@ -/* - * 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.protocol.ver1; - -import java.util.LinkedList; -import java.util.ListIterator; - -import org.jboss.netty.buffer.ChannelBuffer; -import org.onosproject.pcepio.exceptions.PcepParseException; -import org.onosproject.pcepio.protocol.PcepLabelRangeObject; -import org.onosproject.pcepio.types.PathSetupTypeTlv; -import org.onosproject.pcepio.types.PcepObjectHeader; -import org.onosproject.pcepio.types.PcepValueType; -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; - -import com.google.common.base.MoreObjects; - -/** - * Provides PCEP label range object. - */ -public class PcepLabelRangeObjectVer1 implements PcepLabelRangeObject { - - /* - * ref : draft-zhao-pce-pcep-extension-for-pce-controller-01, section : 7.2 - 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 - +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - | label type | range size | - +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - | label base | - +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - | | - // Optional TLVs // - | | - +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - - LABEL-RANGE Object - */ - protected static final Logger log = LoggerFactory.getLogger(PcepLabelRangeObjectVer1.class); - - public static final byte LABEL_RANGE_OBJ_TYPE = 1; - public static final byte LABEL_RANGE_OBJ_CLASS = 60; //to be defined - public static final byte LABEL_RANGE_OBJECT_VERSION = 1; - public static final short LABEL_RANGE_OBJ_MINIMUM_LENGTH = 12; - public static final int MINIMUM_COMMON_HEADER_LENGTH = 4; - //P flag and I flag must be set to 0 - static final PcepObjectHeader DEFAULT_LABELRANGE_OBJECT_HEADER = new PcepObjectHeader(LABEL_RANGE_OBJ_CLASS, - LABEL_RANGE_OBJ_TYPE, PcepObjectHeader.REQ_OBJ_OPTIONAL_PROCESS, PcepObjectHeader.RSP_OBJ_PROCESSED, - LABEL_RANGE_OBJ_MINIMUM_LENGTH); - - private PcepObjectHeader labelRangeObjHeader; - private byte labelType; - private int rangeSize; - private int labelBase; - //Optional TLV - private LinkedList<PcepValueType> llOptionalTlv; - - /** - * Constructor to initialize parameters for PCEP label range object. - * - * @param labelRangeObjHeader label range object header - * @param labelType label type - * @param rangeSize range size - * @param labelBase label base - * @param llOptionalTlv list of optional tlvs - */ - public PcepLabelRangeObjectVer1(PcepObjectHeader labelRangeObjHeader, byte labelType, int rangeSize, int labelBase, - LinkedList<PcepValueType> llOptionalTlv) { - this.labelRangeObjHeader = labelRangeObjHeader; - this.labelType = labelType; - this.rangeSize = rangeSize; - this.llOptionalTlv = llOptionalTlv; - this.labelBase = labelBase; - } - - @Override - public void setLabelRangeObjHeader(PcepObjectHeader obj) { - this.labelRangeObjHeader = obj; - } - - @Override - public void setLabelType(byte labelType) { - this.labelType = labelType; - } - - @Override - public void setRangeSize(int rangeSize) { - this.rangeSize = rangeSize; - } - - @Override - public void setLabelBase(int labelBase) { - this.labelBase = labelBase; - } - - @Override - public PcepObjectHeader getLabelRangeObjHeader() { - return this.labelRangeObjHeader; - } - - @Override - public byte getLabelType() { - return this.labelType; - } - - @Override - public int getRangeSize() { - return this.rangeSize; - } - - @Override - public int getLabelBase() { - return this.labelBase; - } - - /** - * Reads from the channel buffer and returns object of PcepLabelRangeObject. - * - * @param cb of type channel buffer - * @return object of PcepLabelRangeObject - * @throws PcepParseException when fails to read from channel buffer - */ - public static PcepLabelRangeObject read(ChannelBuffer cb) throws PcepParseException { - - PcepObjectHeader labelRangeObjHeader; - byte labelType; - int rangeSize; - int labelBase; - - LinkedList<PcepValueType> llOptionalTlv = new LinkedList<>(); - - labelRangeObjHeader = PcepObjectHeader.read(cb); - - //take only LabelRangeObject buffer. - ChannelBuffer tempCb = cb.readBytes(labelRangeObjHeader.getObjLen() - MINIMUM_COMMON_HEADER_LENGTH); - int temp = 0; - temp = tempCb.readInt(); - rangeSize = temp & 0x00FFFFFF; - labelType = (byte) (temp >> 24); - labelBase = tempCb.readInt(); - llOptionalTlv = parseOptionalTlv(tempCb); - return new PcepLabelRangeObjectVer1(labelRangeObjHeader, labelType, rangeSize, labelBase, llOptionalTlv); - } - - @Override - public int write(ChannelBuffer cb) throws PcepParseException { - - int objStartIndex = cb.writerIndex(); - - //write common header - int objLenIndex = labelRangeObjHeader.write(cb); - int temp = 0; - temp = labelType; - temp = temp << 24; - temp = temp | rangeSize; - cb.writeInt(temp); - - // Add optional TLV - if (!packOptionalTlv(cb)) { - throw new PcepParseException("Error while writing Optional tlv."); - } - - //now write LabelRange Object Length - cb.setShort(objLenIndex, (short) (cb.writerIndex() - objStartIndex)); - return cb.writerIndex() - objStartIndex; - } - - /** - * Returns list of optional tlvs. - * - * @param cb of type channle buffer - * @return list of optional tlvs - * @throws PcepParseException whne fails to parse list of optional tlvs - */ - public static LinkedList<PcepValueType> parseOptionalTlv(ChannelBuffer cb) throws PcepParseException { - - LinkedList<PcepValueType> llOutOptionalTlv = new LinkedList<>(); - - while (MINIMUM_COMMON_HEADER_LENGTH <= cb.readableBytes()) { - - PcepValueType tlv; - int iValue; - short hType = cb.readShort(); - short hLength = cb.readShort(); - - switch (hType) { - - case PathSetupTypeTlv.TYPE: - iValue = cb.readInt(); - tlv = new PathSetupTypeTlv(iValue); - break; - - default: - throw new PcepParseException("Unsupported TLV in LabelRange Object."); - } - - // Check for the padding - int pad = hLength % 4; - if (0 < pad) { - pad = 4 - pad; - if (pad <= cb.readableBytes()) { - cb.skipBytes(pad); - } - } - llOutOptionalTlv.add(tlv); - } - return llOutOptionalTlv; - } - - /** - * Pack optional tlvs. - * - * @param cb of channel buffer - * @return true - */ - protected boolean packOptionalTlv(ChannelBuffer cb) { - - ListIterator<PcepValueType> listIterator = llOptionalTlv.listIterator(); - - while (listIterator.hasNext()) { - PcepValueType tlv = listIterator.next(); - - if (tlv == null) { - log.debug("tlv is null from OptionalTlv list"); - continue; - } - tlv.write(cb); - - // need to take care of padding - int pad = tlv.getLength() % 4; - if (0 != pad) { - pad = 4 - pad; - for (int i = 0; i < pad; ++i) { - cb.writeByte((byte) 0); - } - } - } - return true; - } - - /** - * Builder class for PCEP label range object. - */ - public static class Builder implements PcepLabelRangeObject.Builder { - private boolean bIsHeaderSet = false; - private boolean bIsLabelType = false; - private boolean bIsRangeSize = false; - private boolean bIsLabelBase = false; - - byte labelType; - int rangeSize; - int labelBase; - private boolean bIsPFlagSet = false; - private boolean bPFlag; - - private boolean bIsIFlagSet = false; - private boolean bIFlag; - private PcepObjectHeader labelRangeObjHeader; - - LinkedList<PcepValueType> llOptionalTlv = new LinkedList<>(); - - @Override - public PcepLabelRangeObject build() throws PcepParseException { - PcepObjectHeader labelRangeObjHeader = this.bIsHeaderSet ? this.labelRangeObjHeader - : DEFAULT_LABELRANGE_OBJECT_HEADER; - - if (!this.bIsLabelType) { - throw new PcepParseException("LabelType NOT Set while building label range object."); - } - - if (!this.bIsRangeSize) { - throw new PcepParseException("RangeSize NOT Set while building label range object."); - } - - if (!this.bIsLabelBase) { - throw new PcepParseException("LabelBase NOT Set while building label range object."); - } - - if (bIsPFlagSet) { - labelRangeObjHeader.setPFlag(bPFlag); - } - - if (bIsIFlagSet) { - labelRangeObjHeader.setIFlag(bIFlag); - } - return new PcepLabelRangeObjectVer1(labelRangeObjHeader, this.labelType, this.rangeSize, this.labelBase, - this.llOptionalTlv); - } - - @Override - public PcepObjectHeader getLabelRangeObjHeader() { - return this.labelRangeObjHeader; - } - - @Override - public Builder setLabelRangeObjHeader(PcepObjectHeader obj) { - this.labelRangeObjHeader = obj; - this.bIsHeaderSet = true; - return this; - } - - @Override - public byte getLabelType() { - return this.labelType; - } - - @Override - public Builder setLabelType(byte labelType) { - this.labelType = labelType; - this.bIsLabelType = true; - return this; - } - - @Override - public int getRangeSize() { - return this.rangeSize; - } - - @Override - public Builder setRangeSize(int rangeSize) { - this.rangeSize = rangeSize; - this.bIsRangeSize = true; - return this; - } - - @Override - public int getLabelBase() { - return this.labelBase; - } - - @Override - public Builder setLabelBase(int labelBase) { - this.labelBase = labelBase; - this.bIsLabelBase = true; - return this; - } - - @Override - public Builder setPFlag(boolean value) { - this.bPFlag = value; - this.bIsPFlagSet = true; - return this; - } - - @Override - public Builder setIFlag(boolean value) { - this.bIFlag = value; - this.bIsIFlagSet = true; - return this; - } - } - - @Override - public String toString() { - return MoreObjects.toStringHelper(getClass()) - .add("LabelType", labelType) - .add("rangeSize", rangeSize) - .add("labelBase", labelBase) - .add("optionalTlvList", llOptionalTlv) - .toString(); - } -} |