diff options
Diffstat (limited to 'framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepLabelObjectVer1.java')
| -rw-r--r-- | framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepLabelObjectVer1.java | 370 |
1 files changed, 0 insertions, 370 deletions
diff --git a/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepLabelObjectVer1.java b/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepLabelObjectVer1.java deleted file mode 100644 index a4ac87c3..00000000 --- a/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepLabelObjectVer1.java +++ /dev/null @@ -1,370 +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.PcepLabelObject; -import org.onosproject.pcepio.types.NexthopIPv4addressTlv; -import org.onosproject.pcepio.types.NexthopIPv6addressTlv; -import org.onosproject.pcepio.types.NexthopUnnumberedIPv4IDTlv; -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 object. - */ -public class PcepLabelObjectVer1 implements PcepLabelObject { - - /* - * ref : draft-zhao-pce-pcep-extension-for-pce-controller-01 , section : 7.4. - - 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 - +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - | Reserved | Flags |O| - +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - | Label | - +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - | | - // Optional TLV // - | | - +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - The LABEL Object format - */ - protected static final Logger log = LoggerFactory.getLogger(PcepLspObjectVer1.class); - - public static final byte LABEL_OBJ_TYPE = 1; - public static final byte LABEL_OBJ_CLASS = 35; //TBD : to be defined - public static final byte LABEL_OBJECT_VERSION = 1; - public static final byte OBJECT_HEADER_LENGTH = 4; - public static final boolean DEFAULT_OFLAG = false; - - // LSP_OBJ_MINIMUM_LENGTH = CommonHeaderLen(4)+ LspObjectHeaderLen(8) - public static final short LABEL_OBJ_MINIMUM_LENGTH = 12; - - public static final int OFLAG_SET = 1; - public static final int OFLAG_RESET = 0; - public static final int MINIMUM_COMMON_HEADER_LENGTH = 4; - - static final PcepObjectHeader DEFAULT_LABEL_OBJECT_HEADER = new PcepObjectHeader(LABEL_OBJ_CLASS, LABEL_OBJ_TYPE, - PcepObjectHeader.REQ_OBJ_OPTIONAL_PROCESS, PcepObjectHeader.RSP_OBJ_PROCESSED, LABEL_OBJ_MINIMUM_LENGTH); - - private PcepObjectHeader labelObjHeader; - private boolean bOFlag; - private int label; - // Optional TLV - private LinkedList<PcepValueType> llOptionalTlv; - - /** - * Constructor to initialize parameters for PCEP label object. - * - * @param labelObjHeader label object header - * @param bOFlag O flag - * @param label label - * @param llOptionalTlv list of optional tlvs - */ - public PcepLabelObjectVer1(PcepObjectHeader labelObjHeader, boolean bOFlag, int label, - LinkedList<PcepValueType> llOptionalTlv) { - this.labelObjHeader = labelObjHeader; - this.bOFlag = bOFlag; - this.label = label; - this.llOptionalTlv = llOptionalTlv; - } - - @Override - public LinkedList<PcepValueType> getOptionalTlv() { - return this.llOptionalTlv; - } - - @Override - public void setOptionalTlv(LinkedList<PcepValueType> llOptionalTlv) { - this.llOptionalTlv = llOptionalTlv; - } - - @Override - public boolean getOFlag() { - return this.bOFlag; - } - - @Override - public void setOFlag(boolean value) { - this.bOFlag = value; - } - - @Override - public int getLabel() { - return this.label; - } - - @Override - public void setLabel(int value) { - this.label = value; - } - - /** - * Reads form channel buffer and returns objects of PcepLabelObject. - * - * @param cb of type channel buffer - * @return objects of PcepLabelObject - * @throws PcepParseException when fails to read from channel buffer - */ - public static PcepLabelObject read(ChannelBuffer cb) throws PcepParseException { - - PcepObjectHeader labelObjHeader; - - boolean bOFlag; - int label; - - // Optional TLV - LinkedList<PcepValueType> llOptionalTlv = new LinkedList<>(); - labelObjHeader = PcepObjectHeader.read(cb); - - //take only LspObject buffer. - ChannelBuffer tempCb = cb.readBytes(labelObjHeader.getObjLen() - OBJECT_HEADER_LENGTH); - - int iTemp = tempCb.readInt(); - bOFlag = (iTemp & (byte) 0x01) == 1; - label = tempCb.readInt(); - - // parse optional TLV - llOptionalTlv = parseOptionalTlv(tempCb); - return new PcepLabelObjectVer1(labelObjHeader, bOFlag, label, llOptionalTlv); - } - - @Override - public int write(ChannelBuffer cb) throws PcepParseException { - - //write Object header - int objStartIndex = cb.writerIndex(); - int objLenIndex = labelObjHeader.write(cb); - - if (objLenIndex <= 0) { - throw new PcepParseException(" ObjectLength Index is " + objLenIndex); - } - - byte oFlag; - - oFlag = (byte) ((bOFlag) ? OFLAG_SET : OFLAG_RESET); - cb.writeInt(oFlag); - cb.writeInt(label); - - // Add optional TLV - packOptionalTlv(cb); - - //Update object length now - int length = cb.writerIndex() - objStartIndex; - - //will be helpful during print(). - labelObjHeader.setObjLen((short) length); - cb.setShort(objLenIndex, (short) length); - return cb.writerIndex(); - } - - /** - * Returns list of optional tlvs. - * - * @param cb of type channel buffer - * @return list of optional tlvs. - * @throws PcepParseException when fails to parse list of optional tlvs - */ - protected static LinkedList<PcepValueType> parseOptionalTlv(ChannelBuffer cb) throws PcepParseException { - - LinkedList<PcepValueType> llOutOptionalTlv = new LinkedList<>(); - - while (MINIMUM_COMMON_HEADER_LENGTH <= cb.readableBytes()) { - - PcepValueType tlv; - short hType = cb.readShort(); - short hLength = cb.readShort(); - int iValue = 0; - - switch (hType) { - - case NexthopIPv4addressTlv.TYPE: - iValue = cb.readInt(); - tlv = new NexthopIPv4addressTlv(iValue); - break; - case NexthopIPv6addressTlv.TYPE: - byte[] ipv6Value = new byte[NexthopIPv6addressTlv.VALUE_LENGTH]; - cb.readBytes(ipv6Value, 0, NexthopIPv6addressTlv.VALUE_LENGTH); - tlv = new NexthopIPv6addressTlv(ipv6Value); - break; - case NexthopUnnumberedIPv4IDTlv.TYPE: - tlv = NexthopUnnumberedIPv4IDTlv.read(cb); - break; - default: - throw new PcepParseException("Unsupported TLV type :" + hType); - } - - // Check for the padding - int pad = hLength % 4; - if (0 < pad) { - pad = 4 - pad; - if (pad <= cb.readableBytes()) { - cb.skipBytes(pad); - } - } - - llOutOptionalTlv.add(tlv); - } - - if (0 < cb.readableBytes()) { - - throw new PcepParseException("Optional Tlv parsing error. Extra bytes received."); - } - return llOutOptionalTlv; - } - - /** - * Returns the writer index. - * - * @param cb of channel buffer. - * @return writer index - */ - protected int 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); - } - return cb.writerIndex(); - } - - /** - * Builder class for PCEP label object. - */ - public static class Builder implements PcepLabelObject.Builder { - - private boolean bIsHeaderSet = false; - private boolean bIsOFlagSet = false; - private boolean bIsLabelSet = false; - - private PcepObjectHeader labelObjHeader; - private boolean bOFlag; - private int label; - - LinkedList<PcepValueType> llOptionalTlv = new LinkedList<>(); - - private boolean bIsPFlagSet = false; - private boolean bPFlag; - - private boolean bIsIFlagSet = false; - private boolean bIFlag; - - @Override - public PcepLabelObject build() throws PcepParseException { - PcepObjectHeader labelObjHeader = this.bIsHeaderSet ? this.labelObjHeader : DEFAULT_LABEL_OBJECT_HEADER; - boolean bOFlag = this.bIsOFlagSet ? this.bOFlag : DEFAULT_OFLAG; - - if (!this.bIsLabelSet) { - throw new PcepParseException(" Label NOT Set while building PcepLabelObject."); - } - if (bIsPFlagSet) { - labelObjHeader.setPFlag(bPFlag); - } - if (bIsIFlagSet) { - labelObjHeader.setIFlag(bIFlag); - } - return new PcepLabelObjectVer1(labelObjHeader, bOFlag, this.label, this.llOptionalTlv); - } - - @Override - public PcepObjectHeader getLabelObjHeader() { - return this.labelObjHeader; - } - - @Override - public Builder setLabelObjHeader(PcepObjectHeader obj) { - this.labelObjHeader = obj; - this.bIsHeaderSet = true; - return this; - } - - @Override - public boolean getOFlag() { - return this.bOFlag; - } - - @Override - public Builder setOFlag(boolean value) { - this.bOFlag = value; - this.bIsOFlagSet = true; - return this; - } - - @Override - public int getLabel() { - return this.label; - } - - @Override - public Builder setLabel(int value) { - this.label = value; - this.bIsLabelSet = true; - return this; - } - - @Override - public LinkedList<PcepValueType> getOptionalTlv() { - return this.llOptionalTlv; - } - - @Override - public Builder setOptionalTlv(LinkedList<PcepValueType> llOptionalTlv) { - this.llOptionalTlv = llOptionalTlv; - 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("OFlag", bOFlag) - .add("label", label) - .add("OptionalTlvList", llOptionalTlv) - .toString(); - } -} |