diff options
Diffstat (limited to 'framework/src/onos/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepLabelUpdateVer1.java')
-rw-r--r-- | framework/src/onos/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepLabelUpdateVer1.java | 356 |
1 files changed, 0 insertions, 356 deletions
diff --git a/framework/src/onos/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepLabelUpdateVer1.java b/framework/src/onos/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepLabelUpdateVer1.java deleted file mode 100644 index a2293d35..00000000 --- a/framework/src/onos/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepLabelUpdateVer1.java +++ /dev/null @@ -1,356 +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.PcepFecObject; -import org.onosproject.pcepio.protocol.PcepLabelObject; -import org.onosproject.pcepio.protocol.PcepLabelUpdate; -import org.onosproject.pcepio.protocol.PcepLspObject; -import org.onosproject.pcepio.protocol.PcepSrpObject; -import org.onosproject.pcepio.types.PcepLabelDownload; -import org.onosproject.pcepio.types.PcepLabelMap; -import org.onosproject.pcepio.types.PcepObjectHeader; -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; - -import com.google.common.base.MoreObjects; - -/** - * Provides PCEP LABEL update . - * Reference :draft-zhao-pce-pcep-extension-for-pce-controller-01. - */ -public class PcepLabelUpdateVer1 implements PcepLabelUpdate { - - /* - * <pce-label-update> ::= (<pce-label-download>|<pce-label-map>) - - Where: - <pce-label-download> ::= <SRP> - <LSP> - <label-list> - - <pce-label-map> ::= <SRP> - <LABEL> - <FEC> - - <label-list > ::= <LABEL> - [<label-list>] - */ - protected static final Logger log = LoggerFactory.getLogger(PcepLabelUpdateVer1.class); - - //Either PceLabelDownload or PceLabelMap is mandatory. - //label Download - private PcepLabelDownload labelDownload; - private boolean isLabelDownloadSet; - //label Map - private PcepLabelMap labelMap; - private boolean isLabelMapSet; - - /** - * Constructor to reset parameters. - */ - public PcepLabelUpdateVer1() { - this.labelDownload = null; - this.isLabelDownloadSet = false; - this.labelMap = null; - this.isLabelMapSet = false; - } - - /** - * Constructor to initialize PCEP label download. - * - * @param labelDownload PCEP label download - */ - public PcepLabelUpdateVer1(PcepLabelDownload labelDownload) { - this.labelDownload = labelDownload; - this.isLabelDownloadSet = true; - this.labelMap = null; - this.isLabelMapSet = false; - } - - /** - * Constructor to initialize PCEP label map. - * - * @param labelMap PCEP label map - */ - public PcepLabelUpdateVer1(PcepLabelMap labelMap) { - this.labelDownload = null; - this.isLabelDownloadSet = false; - this.labelMap = labelMap; - this.isLabelMapSet = true; - } - - /** - * builder class for PCEP label update. - */ - static class Builder implements PcepLabelUpdate.Builder { - - private PcepLabelDownload labelDownload; - private boolean isLabelDownloadSet; - private PcepLabelMap labelMap; - private boolean isLabelMapSet; - - @Override - public PcepLabelUpdate build() throws PcepParseException { - - if (isLabelDownloadSet) { - return new PcepLabelUpdateVer1(labelDownload); - } - if (isLabelMapSet) { - return new PcepLabelUpdateVer1(labelMap); - } - if (!isLabelDownloadSet && !isLabelMapSet) { - throw new PcepParseException( - "Label Download or Label Map is not set while building PcepLabelUpdate Message"); - } - return new PcepLabelUpdateVer1(); - } - - @Override - public Builder setLabelDownload(PcepLabelDownload labelDownload) { - this.labelDownload = labelDownload; - this.isLabelDownloadSet = true; - return this; - } - - @Override - public PcepLabelDownload getLabelDownload() { - return labelDownload; - } - - @Override - public Builder setLabelMap(PcepLabelMap labelMap) { - this.labelMap = labelMap; - this.isLabelMapSet = true; - return this; - } - - @Override - public PcepLabelMap getLabelMap() { - return labelMap; - } - } - - /** - * Reads PcepLabels from the byte stream received from channel buffer. - * - * @param cb of type channel buffer. - * @return PcepLabelUpdate object. - * @throws PcepParseException when fails to read from channel buffer - */ - public static PcepLabelUpdate read(ChannelBuffer cb) throws PcepParseException { - - PcepLabelUpdateVer1 pceLabelUpdate = new PcepLabelUpdateVer1(); - - PcepSrpObject srpObject; - PcepObjectHeader tempObjHeader; - - //read SRP mandatory Object - srpObject = PcepSrpObjectVer1.read(cb); - - //checking next object - cb.markReaderIndex(); - - tempObjHeader = PcepObjectHeader.read(cb); - cb.resetReaderIndex(); - - if (tempObjHeader.getObjClass() == PcepLspObjectVer1.LSP_OBJ_CLASS) { - - //now it is belong to <pce-label-download> - PcepLabelDownload labelDownload = new PcepLabelDownload(); - - //set SRP - labelDownload.setSrpObject(srpObject); - - //read and set LSP - labelDownload.setLspObject(PcepLspObjectVer1.read(cb)); - - //<label-list> - LinkedList<PcepLabelObject> llLabelList = new LinkedList<>(); - PcepLabelObject labelObject; - - while (0 < cb.readableBytes()) { - - cb.markReaderIndex(); - tempObjHeader = PcepObjectHeader.read(cb); - cb.resetReaderIndex(); - - if (tempObjHeader.getObjClass() != PcepLabelObjectVer1.LABEL_OBJ_CLASS) { - break; - } - labelObject = PcepLabelObjectVer1.read(cb); - llLabelList.add(labelObject); - } - labelDownload.setLabelList(llLabelList); - pceLabelUpdate.setLabelDownload(labelDownload); - } else if (tempObjHeader.getObjClass() == PcepLabelObjectVer1.LABEL_OBJ_CLASS) { - //belong to <pce-label-map> - PcepLabelMap labelMap = new PcepLabelMap(); - - //set SRP Object - labelMap.setSrpObject(srpObject); - - //read and set Label Object - labelMap.setLabelObject(PcepLabelObjectVer1.read(cb)); - - cb.markReaderIndex(); - tempObjHeader = PcepObjectHeader.read(cb); - cb.resetReaderIndex(); - - PcepFecObject fecObject = null; - switch (tempObjHeader.getObjType()) { - case PcepFecObjectIPv4Ver1.FEC_OBJ_TYPE: - fecObject = PcepFecObjectIPv4Ver1.read(cb); - break; - case PcepFecObjectIPv6Ver1.FEC_OBJ_TYPE: - fecObject = PcepFecObjectIPv6Ver1.read(cb); - break; - case PcepFecObjectIPv4AdjacencyVer1.FEC_OBJ_TYPE: - fecObject = PcepFecObjectIPv4AdjacencyVer1.read(cb); - break; - case PcepFecObjectIPv6AdjacencyVer1.FEC_OBJ_TYPE: - fecObject = PcepFecObjectIPv6AdjacencyVer1.read(cb); - break; - case PcepFecObjectIPv4UnnumberedAdjacencyVer1.FEC_OBJ_TYPE: - fecObject = PcepFecObjectIPv4UnnumberedAdjacencyVer1.read(cb); - break; - default: - throw new PcepParseException("Unkown FEC object type " + tempObjHeader.getObjType()); - } - labelMap.setFECObject(fecObject); - pceLabelUpdate.setLabelMap(labelMap); - } else { - throw new PcepParseException( - "Either <pce-label-download> or <pce-label-map> should be present. Received Class: " - + tempObjHeader.getObjClass()); - } - return pceLabelUpdate; - } - - @Override - public void write(ChannelBuffer cb) throws PcepParseException { - - if ((labelDownload != null) && (labelMap != null)) { - throw new PcepParseException("Label Download and Label Map both can't be present."); - } - - if ((labelDownload == null) && (labelMap == null)) { - throw new PcepParseException("Either Label Download or Label Map should be present."); - } - - if (labelDownload != null) { - - PcepLspObject lspObject; - PcepSrpObject srpObject; - PcepLabelObject labelObject; - LinkedList<PcepLabelObject> llLabelList; - - srpObject = labelDownload.getSrpObject(); - if (srpObject == null) { - throw new PcepParseException("SRP Object is mandatory object for Label Download."); - } else { - srpObject.write(cb); - } - - lspObject = labelDownload.getLspObject(); - if (lspObject == null) { - throw new PcepParseException("LSP Object is mandatory object for Label Download."); - } else { - lspObject.write(cb); - } - - llLabelList = labelDownload.getLabelList(); - if (llLabelList == null) { - throw new PcepParseException("Label list is mandatory object for Label Download."); - } else { - ListIterator<PcepLabelObject> listIterator = llLabelList.listIterator(); - while (listIterator.hasNext()) { - labelObject = listIterator.next(); - labelObject.write(cb); - } - } - } - - if (labelMap != null) { - - PcepSrpObject srpObject; - PcepLabelObject labelObject; - PcepFecObject fecObject; - - srpObject = labelMap.getSrpObject(); - if (srpObject == null) { - throw new PcepParseException("SRP Object is mandatory object for Label map."); - } else { - srpObject.write(cb); - } - labelObject = labelMap.getLabelObject(); - if (labelObject == null) { - throw new PcepParseException("label Object is mandatory object for Label map."); - } else { - labelObject.write(cb); - } - fecObject = labelMap.getFECObject(); - if (fecObject == null) { - throw new PcepParseException("fec Object is mandatory object for Label map."); - } else { - fecObject.write(cb); - } - } - } - - @Override - public void setLabelDownload(PcepLabelDownload labelDownload) { - if (this.isLabelMapSet) { - return; - } - this.labelDownload = labelDownload; - this.isLabelDownloadSet = true; - } - - @Override - public PcepLabelDownload getLabelDownload() { - return this.labelDownload; - } - - @Override - public void setLabelMap(PcepLabelMap labelMap) { - if (this.isLabelDownloadSet) { - return; - } - this.labelMap = labelMap; - this.isLabelMapSet = true; - } - - @Override - public PcepLabelMap getLabelMap() { - return this.labelMap; - } - - @Override - public String toString() { - return MoreObjects.toStringHelper(getClass()) - .omitNullValues() - .add("LabelDownload", labelDownload) - .add("LabelMap", labelMap) - .toString(); - } -} |