diff options
Diffstat (limited to 'framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/TELinkDescriptorsTlv.java')
| -rw-r--r-- | framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/TELinkDescriptorsTlv.java | 251 |
1 files changed, 0 insertions, 251 deletions
diff --git a/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/TELinkDescriptorsTlv.java b/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/TELinkDescriptorsTlv.java deleted file mode 100644 index b974cf82..00000000 --- a/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/TELinkDescriptorsTlv.java +++ /dev/null @@ -1,251 +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 Link Descriptors TLV. - */ -public class TELinkDescriptorsTlv 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=[TBD14] | Length | - +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - | | - // Link Descriptor Sub-TLVs (variable) // - | | - +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - - */ - - protected static final Logger log = LoggerFactory.getLogger(TELinkDescriptorsTlv.class); - - public static final short TYPE = 1070; //TODD:change this TBD14 - public short hLength; - - public static final int TLV_HEADER_LENGTH = 4; - - // LinkDescriptors Sub-TLVs (variable) - private LinkedList<PcepValueType> llLinkDescriptorsSubTLVs; - - /** - * Constructor to initialize llLinkDescriptorsSubTLVs. - * - * @param llLinkDescriptorsSubTLVs of PcepValueType - */ - public TELinkDescriptorsTlv(LinkedList<PcepValueType> llLinkDescriptorsSubTLVs) { - this.llLinkDescriptorsSubTLVs = llLinkDescriptorsSubTLVs; - } - - /** - * Returns object of TELinkDescriptorsTLV. - * - * @param llLinkDescriptorsSubTLVs of PcepValueType - * @return object of TELinkDescriptorsTLV - */ - public static TELinkDescriptorsTlv of(final LinkedList<PcepValueType> llLinkDescriptorsSubTLVs) { - return new TELinkDescriptorsTlv(llLinkDescriptorsSubTLVs); - } - - /** - * Returns linked list of Link Attribute of Sub TLV. - * - * @return llLinkDescriptorsSubTLVs linked list of Link Attribute of Sub TLV - */ - public LinkedList<PcepValueType> getllLinkDescriptorsSubTLVs() { - return llLinkDescriptorsSubTLVs; - } - - @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(llLinkDescriptorsSubTLVs.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 TELinkDescriptorsTlv) { - int countObjSubTlv = 0; - int countOtherSubTlv = 0; - boolean isCommonSubTlv = true; - TELinkDescriptorsTlv other = (TELinkDescriptorsTlv) obj; - Iterator<PcepValueType> objListIterator = ((TELinkDescriptorsTlv) obj).llLinkDescriptorsSubTLVs.iterator(); - countObjSubTlv = ((TELinkDescriptorsTlv) obj).llLinkDescriptorsSubTLVs.size(); - countOtherSubTlv = other.llLinkDescriptorsSubTLVs.size(); - if (countObjSubTlv != countOtherSubTlv) { - return false; - } else { - while (objListIterator.hasNext() && isCommonSubTlv) { - PcepValueType subTlv = objListIterator.next(); - isCommonSubTlv = Objects.equals(llLinkDescriptorsSubTLVs.contains(subTlv), - other.llLinkDescriptorsSubTLVs.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 = llLinkDescriptorsSubTLVs.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 channel buffer and returns object of TELinkDescriptorsTLV. - * - * @param c input channel buffer - * @param length length - * @return object of TELinkDescriptorsTLV - * @throws PcepParseException if mandatory fields are missing - */ - public static PcepValueType read(ChannelBuffer c, short length) throws PcepParseException { - - // Node Descriptor Sub-TLVs (variable) - LinkedList<PcepValueType> llLinkDescriptorsSubTLVs = new LinkedList<>(); - - ChannelBuffer tempCb = c.readBytes(length); - - while (TLV_HEADER_LENGTH <= tempCb.readableBytes()) { - - PcepValueType tlv; - short hType = tempCb.readShort(); - int iValue = 0; - short hLength = tempCb.readShort(); - log.debug("sub Tlv Length" + hLength); - switch (hType) { - - case LinkLocalRemoteIdentifiersTlv.TYPE: - tlv = LinkLocalRemoteIdentifiersTlv.read(tempCb); - break; - case IPv4InterfaceAddressTlv.TYPE: - iValue = tempCb.readInt(); - tlv = new IPv4InterfaceAddressTlv(iValue); - break; - case IPv4NeighborAddressTlv.TYPE: - iValue = tempCb.readInt(); - tlv = new IPv4NeighborAddressTlv(iValue); - break; - case IPv6InterfaceAddressTlv.TYPE: - byte[] ipv6Value = new byte[IPv6InterfaceAddressTlv.VALUE_LENGTH]; - tempCb.readBytes(ipv6Value, 0, IPv6InterfaceAddressTlv.VALUE_LENGTH); - tlv = new IPv6InterfaceAddressTlv(ipv6Value); - break; - case IPv6NeighborAddressTlv.TYPE: - byte[] ipv6NeighborAdd = new byte[IPv6NeighborAddressTlv.VALUE_LENGTH]; - tempCb.readBytes(ipv6NeighborAdd, 0, IPv6NeighborAddressTlv.VALUE_LENGTH); - tlv = new IPv6NeighborAddressTlv(ipv6NeighborAdd); - break; - default: - throw new PcepParseException("Unsupported Sub TLV type:" + hType); - } - - // Check for the padding - int pad = hLength % 4; - if (0 < pad) { - pad = 4 - pad; - if (pad <= tempCb.readableBytes()) { - tempCb.skipBytes(pad); - } - } - llLinkDescriptorsSubTLVs.add(tlv); - - } - - if (0 < tempCb.readableBytes()) { - - throw new PcepParseException("Sub Tlv parsing error. Extra bytes received."); - } - return new TELinkDescriptorsTlv(llLinkDescriptorsSubTLVs); - } - - @Override - public String toString() { - return MoreObjects.toStringHelper(getClass()) - .add("Type", TYPE) - .add("Length", hLength) - .add("LinkDescriptorsSubTLVs", llLinkDescriptorsSubTLVs) - .toString(); - } -} |