| /* |
| * Copyright 2015-present 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.List; |
| import java.util.ListIterator; |
| |
| import org.jboss.netty.buffer.ChannelBuffer; |
| import org.onosproject.pcepio.exceptions.PcepParseException; |
| import org.onosproject.pcepio.protocol.PcepError; |
| import org.onosproject.pcepio.protocol.PcepErrorInfo; |
| import org.onosproject.pcepio.protocol.PcepErrorObject; |
| import org.onosproject.pcepio.protocol.PcepRPObject; |
| import org.onosproject.pcepio.protocol.PcepLSObject; |
| import org.onosproject.pcepio.types.PcepObjectHeader; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.google.common.base.MoreObjects; |
| |
| /** |
| * Provides PCEP Error Info. |
| * Reference : draft-dhodylee-pce-pcep-ls-01, section 8.2. |
| */ |
| public class PcepErrorInfoVer1 implements PcepErrorInfo { |
| |
| protected static final Logger log = LoggerFactory.getLogger(PcepErrorInfoVer1.class); |
| //Error list is optional |
| private List<PcepError> errList; |
| |
| /** |
| * Constructor to add PCEP error object to the list. |
| * |
| * @param llRPObjList list of PCEP RP object |
| * @param llLSObjList list of PCEP LS object |
| * @param llErrObjList list of PCEP error object |
| */ |
| public PcepErrorInfoVer1(List<PcepRPObject> llRPObjList, List<PcepLSObject> llLSObjList, |
| List<PcepErrorObject> llErrObjList) { |
| this.errList = new LinkedList<>(); |
| if ((llErrObjList != null) && (!llErrObjList.isEmpty())) { |
| this.errList.add(new PcepErrorVer1(llRPObjList, llLSObjList, llErrObjList)); |
| } |
| } |
| |
| /** |
| * Constructor to initialize error info. |
| * |
| * @param errll linked list or pcep error |
| */ |
| public PcepErrorInfoVer1(List<PcepError> errll) { |
| this.errList = errll; |
| } |
| |
| @Override |
| public boolean isErrorInfoPresent() { |
| return !this.errList.isEmpty(); |
| } |
| |
| @Override |
| public void read(ChannelBuffer cb) throws PcepParseException { |
| PcepObjectHeader tempObjHeader; |
| |
| while (0 < cb.readableBytes()) { |
| cb.markReaderIndex(); |
| tempObjHeader = PcepObjectHeader.read(cb); |
| cb.resetReaderIndex(); |
| byte yObjClass = tempObjHeader.getObjClass(); |
| if ((yObjClass != PcepRPObjectVer1.RP_OBJ_CLASS) && (yObjClass != PcepLSObjectVer1.LS_OBJ_CLASS) |
| && (yObjClass != PcepErrorObjectVer1.ERROR_OBJ_CLASS)) { |
| throw new PcepParseException("Unknown Object is present in PCEP-ERROR. Object Class: " + yObjClass); |
| } |
| |
| this.errList.add(PcepErrorVer1.read(cb)); |
| } |
| } |
| |
| @Override |
| public void write(ChannelBuffer cb) throws PcepParseException { |
| //write <error> |
| ListIterator<PcepError> listIterator = errList.listIterator(); |
| while (listIterator.hasNext()) { |
| PcepError pcepError = listIterator.next(); |
| |
| //RP Object list is optional |
| List<PcepRPObject> llRPObjList = pcepError.getRPObjList(); |
| if (llRPObjList != null) { |
| ListIterator<PcepRPObject> rpListIterator = llRPObjList.listIterator(); |
| while (rpListIterator.hasNext()) { |
| rpListIterator.next().write(cb); |
| } |
| } |
| |
| //LS Object list is optional |
| List<PcepLSObject> llLSObjList = pcepError.getLSObjList(); |
| if (llLSObjList != null) { |
| ListIterator<PcepLSObject> teListIterator = llLSObjList.listIterator(); |
| while (teListIterator.hasNext()) { |
| teListIterator.next().write(cb); |
| } |
| } |
| |
| // <error-obj-list> is mandatory |
| boolean bIsErrorObjListFound = false; |
| |
| List<PcepErrorObject> llErrObjList = pcepError.getErrorObjList(); |
| if (llErrObjList != null) { |
| ListIterator<PcepErrorObject> errObjListIterator = llErrObjList.listIterator(); |
| while (errObjListIterator.hasNext()) { |
| errObjListIterator.next().write(cb); |
| bIsErrorObjListFound = true; |
| } |
| } |
| |
| if (!bIsErrorObjListFound) { |
| throw new PcepParseException("<error-obj-list> is mandatory."); |
| } |
| } |
| } |
| |
| @Override |
| public List<Integer> getErrorType() { |
| List<Integer> errorType = new LinkedList<>(); |
| ListIterator<PcepError> listIterator = errList.listIterator(); |
| PcepErrorObject errObj; |
| int error; |
| while (listIterator.hasNext()) { |
| PcepError pcepError = listIterator.next(); |
| List<PcepErrorObject> llErrObjList = pcepError.getErrorObjList(); |
| if (llErrObjList != null) { |
| ListIterator<PcepErrorObject> errObjListIterator = llErrObjList.listIterator(); |
| while (errObjListIterator.hasNext()) { |
| errObj = errObjListIterator.next(); |
| error = errObj.getErrorType(); |
| errorType.add(error); |
| } |
| } |
| } |
| return errorType; |
| } |
| |
| @Override |
| public List<Integer> getErrorValue() { |
| List<Integer> errorValue = new LinkedList<>(); |
| ListIterator<PcepError> listIterator = errList.listIterator(); |
| PcepErrorObject errObj; |
| int error; |
| while (listIterator.hasNext()) { |
| PcepError pcepError = listIterator.next(); |
| List<PcepErrorObject> llErrObjList = pcepError.getErrorObjList(); |
| if (llErrObjList != null) { |
| ListIterator<PcepErrorObject> errObjListIterator = llErrObjList.listIterator(); |
| while (errObjListIterator.hasNext()) { |
| errObj = errObjListIterator.next(); |
| error = errObj.getErrorValue(); |
| errorValue.add(error); |
| } |
| } |
| } |
| return errorValue; |
| } |
| |
| /** |
| * Builder class for PCEP error info. |
| */ |
| public static class Builder implements PcepErrorInfo.Builder { |
| private List<PcepError> errll; |
| |
| @Override |
| public PcepErrorInfo build() { |
| return new PcepErrorInfoVer1(errll); |
| } |
| |
| @Override |
| public List<PcepError> getPcepErrorList() { |
| return this.errll; |
| } |
| |
| @Override |
| public Builder setPcepErrorList(List<PcepError> errll) { |
| this.errll = errll; |
| return this; |
| } |
| } |
| |
| @Override |
| public String toString() { |
| return MoreObjects.toStringHelper(getClass()) |
| .add("ErrorList", errList).toString(); |
| } |
| } |