diff options
Diffstat (limited to 'framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/TENodeAttributesTlv.java')
-rw-r--r-- | framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/TENodeAttributesTlv.java | 250 |
1 files changed, 0 insertions, 250 deletions
diff --git a/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/TENodeAttributesTlv.java b/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/TENodeAttributesTlv.java deleted file mode 100644 index f18b75b2..00000000 --- a/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/TENodeAttributesTlv.java +++ /dev/null @@ -1,250 +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.types; - -import java.util.Iterator; -import java.util.LinkedList; -import java.util.ListIterator; -import java.util.Objects; - -import org.jboss.netty.buffer.ChannelBuffer; -import org.onosproject.pcepio.exceptions.PcepParseException; -import org.onosproject.pcepio.protocol.PcepVersion; -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; - -import com.google.common.base.MoreObjects; - -/** - * Provides TE Node Attributes Tlv. - */ -public class TENodeAttributesTlv implements PcepValueType { - /* - * Reference :PCEP Extension for Transporting TE Data draft-dhodylee-pce-pcep-te-data-extn-02 - * - 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 - +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - | Type=[TBD20] | Length | - +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - | | - // Node Attributes Sub-TLVs (variable) // - | | - +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - - - */ - - protected static final Logger log = LoggerFactory.getLogger(TENodeAttributesTlv.class); - - public static final short TYPE = 1267; //TODD:change this TBD20 - public short hLength; - - public static final int TLV_HEADER_LENGTH = 4; - // LinkDescriptors Sub-TLVs (variable) - private LinkedList<PcepValueType> llNodeAttributesSubTLVs; - - /** - * Constructor to initialize llNodeAttributesSubTLVs. - * - * @param llNodeAttributesSubTLVs linked list of Node Attributes Sub-TLVs - */ - public TENodeAttributesTlv(LinkedList<PcepValueType> llNodeAttributesSubTLVs) { - this.llNodeAttributesSubTLVs = llNodeAttributesSubTLVs; - } - - /** - * Returns object of TENodeAttributesTlv. - * - * @param llNodeAttributesSubTLVs LinkedList of PcepValueType - * @return object of TENodeAttributesTlv - */ - public static TENodeAttributesTlv of(LinkedList<PcepValueType> llNodeAttributesSubTLVs) { - return new TENodeAttributesTlv(llNodeAttributesSubTLVs); - } - - /** - * Returns Node Attributes Sub-TLVs. - * - * @return llNodeAttributesSubTLVs linked list of Node Attributes Sub-TLVs - */ - public LinkedList<PcepValueType> getllNodeAttributesSubTLVs() { - return llNodeAttributesSubTLVs; - } - - @Override - public PcepVersion getVersion() { - return PcepVersion.PCEP_1; - } - - @Override - public short getType() { - return TYPE; - } - - @Override - public short getLength() { - return hLength; - } - - @Override - public int hashCode() { - return Objects.hash(llNodeAttributesSubTLVs.hashCode()); - } - - @Override - public boolean equals(Object obj) { - if (this == obj) { - return true; - } - /* - * Here we have a list of Tlv so to compare each sub tlv between the object - * we have to take a list iterator so one by one we can get each sub tlv object - * and can compare them. - * it may be possible that the size of 2 lists is not equal so we have to first check - * the size, if both are same then we should check for the subtlv objects otherwise - * we should return false. - */ - if (obj instanceof TENodeAttributesTlv) { - int countObjSubTlv = 0; - int countOtherSubTlv = 0; - boolean isCommonSubTlv = true; - TENodeAttributesTlv other = (TENodeAttributesTlv) obj; - Iterator<PcepValueType> objListIterator = ((TENodeAttributesTlv) obj).llNodeAttributesSubTLVs.iterator(); - countObjSubTlv = ((TENodeAttributesTlv) obj).llNodeAttributesSubTLVs.size(); - countOtherSubTlv = other.llNodeAttributesSubTLVs.size(); - if (countObjSubTlv != countOtherSubTlv) { - return false; - } else { - while (objListIterator.hasNext() && isCommonSubTlv) { - PcepValueType subTlv = objListIterator.next(); - isCommonSubTlv = Objects.equals(llNodeAttributesSubTLVs.contains(subTlv), - other.llNodeAttributesSubTLVs.contains(subTlv)); - } - return isCommonSubTlv; - } - } - return false; - } - - @Override - public int write(ChannelBuffer c) { - int tlvStartIndex = c.writerIndex(); - c.writeShort(TYPE); - int tlvLenIndex = c.writerIndex(); - hLength = 0; - c.writeShort(hLength); - - ListIterator<PcepValueType> listIterator = llNodeAttributesSubTLVs.listIterator(); - - while (listIterator.hasNext()) { - PcepValueType tlv = listIterator.next(); - - tlv.write(c); - - // need to take care of padding - int pad = tlv.getLength() % 4; - - if (0 != pad) { - pad = 4 - pad; - for (int i = 0; i < pad; ++i) { - c.writeByte((byte) 0); - } - } - } - - hLength = (short) (c.writerIndex() - tlvStartIndex); - c.setShort(tlvLenIndex, (hLength - TLV_HEADER_LENGTH)); - - return c.writerIndex() - tlvStartIndex; - } - - /** - * Reads the channel buffer and returns object of TENodeAttributesTlv. - * - * @param c input channel buffer - * @param hLength length - * @return object of TENodeAttributesTlv - * @throws PcepParseException if mandatory fields are missing - */ - public static PcepValueType read(ChannelBuffer c, short hLength) throws PcepParseException { - - // Node Descriptor Sub-TLVs (variable) - LinkedList<PcepValueType> llNodeAttributesSubTLVs = new LinkedList<>(); - - ChannelBuffer tempCb = c.readBytes(hLength); - - while (TLV_HEADER_LENGTH <= tempCb.readableBytes()) { - PcepValueType tlv; - short hType = tempCb.readShort(); - int iValue = 0; - short length = tempCb.readShort(); - switch (hType) { - - case NodeFlagBitsTlv.TYPE: - byte cValue = tempCb.readByte(); - tlv = new NodeFlagBitsTlv(cValue); - break; - case OpaqueNodeAttributeTlv.TYPE: - tlv = OpaqueNodeAttributeTlv.read(tempCb, length); - break; - case NodeNameTlv.TYPE: - tlv = NodeNameTlv.read(tempCb, length); - break; - case ISISAreaIdentifierTlv.TYPE: - tlv = ISISAreaIdentifierTlv.read(tempCb, length); - break; - case IPv4TERouterIdOfLocalNodeTlv.TYPE: - iValue = tempCb.readInt(); - tlv = new IPv4TERouterIdOfLocalNodeTlv(iValue); - break; - case IPv6TERouterIdofLocalNodeTlv.TYPE: - byte[] ipv6Value = new byte[IPv6TERouterIdofLocalNodeTlv.VALUE_LENGTH]; - tempCb.readBytes(ipv6Value, 0, IPv6TERouterIdofLocalNodeTlv.VALUE_LENGTH); - tlv = new IPv6TERouterIdofLocalNodeTlv(ipv6Value); - break; - default: - throw new PcepParseException("Unsupported Sub TLV type :" + hType); - } - - // Check for the padding - int pad = length % 4; - if (0 < pad) { - pad = 4 - pad; - if (pad <= tempCb.readableBytes()) { - tempCb.skipBytes(pad); - } - } - - llNodeAttributesSubTLVs.add(tlv); - } - - if (0 < tempCb.readableBytes()) { - - throw new PcepParseException("Sub Tlv parsing error. Extra bytes received."); - } - return new TENodeAttributesTlv(llNodeAttributesSubTLVs); - } - - @Override - public String toString() { - return MoreObjects.toStringHelper(getClass()) - .add("Type", TYPE) - .add("Length", hLength) - .add("NodeAttributesSubTLVs", llNodeAttributesSubTLVs) - .toString(); - } -} |