diff options
Diffstat (limited to 'framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepLabelUpdateMsgVer1.java')
| -rw-r--r-- | framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepLabelUpdateMsgVer1.java | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepLabelUpdateMsgVer1.java b/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepLabelUpdateMsgVer1.java deleted file mode 100644 index 89347f42..00000000 --- a/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepLabelUpdateMsgVer1.java +++ /dev/null @@ -1,239 +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.PcepLabelUpdate; -import org.onosproject.pcepio.protocol.PcepLabelUpdateMsg; -import org.onosproject.pcepio.protocol.PcepMessageReader; -import org.onosproject.pcepio.protocol.PcepMessageWriter; -import org.onosproject.pcepio.protocol.PcepType; -import org.onosproject.pcepio.protocol.PcepVersion; -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; - -import com.google.common.base.MoreObjects; - -/** - * Provides PCEP lable update message. - */ -class PcepLabelUpdateMsgVer1 implements PcepLabelUpdateMsg { - - // Pcep version: 1 - - /* - The format of the PCLabelUpd message: - - <PCLabelUpd Message> ::= <Common Header> - <pce-label-update-list> - Where: - - <pce-label-update-list> ::= <pce-label-update> - [<pce-label-update-list>] - <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(PcepLabelUpdateMsgVer1.class); - - public static final byte PACKET_VERSION = 1; - - //LabelUpdateMsgMinLength = COMMON-HEADER(4)+SrpObjMinLentgh(12)+LabelObjectMinLength(12)+FECType1Object(8) - public static final int PACKET_MINIMUM_LENGTH = 36; - public static final PcepType MSG_TYPE = PcepType.LABEL_UPDATE; - //pce-label-update-list - private LinkedList<PcepLabelUpdate> llPcLabelUpdateList; - - static final PcepLabelUpdateMsgVer1.Reader READER = new Reader(); - - /** - * Reader reads LabelUpdate Message from the channel. - */ - static class Reader implements PcepMessageReader<PcepLabelUpdateMsg> { - - @Override - public PcepLabelUpdateMsg readFrom(ChannelBuffer cb) throws PcepParseException { - - if (cb.readableBytes() < PACKET_MINIMUM_LENGTH) { - throw new PcepParseException("Readable bytes are less than Packet minimum length."); - } - - // fixed value property version == 1 - byte version = cb.readByte(); - version = (byte) (version >> PcepMessageVer1.SHIFT_FLAG); - if (version != PACKET_VERSION) { - throw new PcepParseException("Wrong version.Expected=PcepVersion.PCEP_1(1), got=" + version); - } - // fixed value property type == 13 - byte type = cb.readByte(); - if (type != MSG_TYPE.getType()) { - throw new PcepParseException("Wrong type. Expected=PcepType.LABEL_UPDATE(13), got=" + type); - } - short length = cb.readShort(); - if (length < PACKET_MINIMUM_LENGTH) { - throw new PcepParseException("Wrong length. Expected to be >= " + PACKET_MINIMUM_LENGTH + ", is: " - + length); - } - // parse <pce-label-download> / <pce-label-map> - LinkedList<PcepLabelUpdate> llPcLabelUpdateList = parsePcLabelUpdateList(cb); - return new PcepLabelUpdateMsgVer1(llPcLabelUpdateList); - } - - /** - * Returns list of PCEP Label Update object. - * - * @param cb of type channel buffer - * @return llPcLabelUpdateList list of PCEP label update object - * @throws PcepParseException when fails to parse list of PCEP label update object - */ - public LinkedList<PcepLabelUpdate> parsePcLabelUpdateList(ChannelBuffer cb) throws PcepParseException { - - LinkedList<PcepLabelUpdate> llPcLabelUpdateList; - llPcLabelUpdateList = new LinkedList<>(); - - while (0 < cb.readableBytes()) { - llPcLabelUpdateList.add(PcepLabelUpdateVer1.read(cb)); - } - return llPcLabelUpdateList; - } - } - - /** - * Constructor to initialize PCEP Label Update List. - * - * @param llPcLabelUpdateList list of PCEP Label Update object - */ - PcepLabelUpdateMsgVer1(LinkedList<PcepLabelUpdate> llPcLabelUpdateList) { - this.llPcLabelUpdateList = llPcLabelUpdateList; - } - - /** - * Builder class for PCEP label update message. - */ - static class Builder implements PcepLabelUpdateMsg.Builder { - - LinkedList<PcepLabelUpdate> llPcLabelUpdateList; - - @Override - public PcepVersion getVersion() { - return PcepVersion.PCEP_1; - } - - @Override - public PcepType getType() { - return PcepType.LABEL_UPDATE; - } - - @Override - public PcepLabelUpdateMsg build() { - return new PcepLabelUpdateMsgVer1(this.llPcLabelUpdateList); - } - - @Override - public LinkedList<PcepLabelUpdate> getPcLabelUpdateList() { - return this.llPcLabelUpdateList; - } - - @Override - public Builder setPcLabelUpdateList(LinkedList<PcepLabelUpdate> ll) { - this.llPcLabelUpdateList = ll; - return this; - } - } - - @Override - public void writeTo(ChannelBuffer cb) throws PcepParseException { - WRITER.write(cb, this); - } - - static final Writer WRITER = new Writer(); - - /** - * Writer writes LabelUpdate Message to the channel. - */ - static class Writer implements PcepMessageWriter<PcepLabelUpdateMsgVer1> { - - @Override - public void write(ChannelBuffer cb, PcepLabelUpdateMsgVer1 message) throws PcepParseException { - - int startIndex = cb.writerIndex(); - - // first 3 bits set to version - cb.writeByte((byte) (PACKET_VERSION << PcepMessageVer1.SHIFT_FLAG)); - - // message type - cb.writeByte(MSG_TYPE.getType()); - - // Length will be set after calculating length, but currently set it as 0. - int msgLenIndex = cb.writerIndex(); - - cb.writeShort((short) 0); - ListIterator<PcepLabelUpdate> listIterator = message.llPcLabelUpdateList.listIterator(); - - while (listIterator.hasNext()) { - PcepLabelUpdate labelUpdate = listIterator.next(); - labelUpdate.write(cb); - } - - // update message length field - int length = cb.writerIndex() - startIndex; - cb.setShort(msgLenIndex, (short) length); - } - } - - @Override - public PcepVersion getVersion() { - return PcepVersion.PCEP_1; - } - - @Override - public PcepType getType() { - return MSG_TYPE; - } - - @Override - public LinkedList<PcepLabelUpdate> getPcLabelUpdateList() { - return this.llPcLabelUpdateList; - } - - @Override - public void setPcLabelUpdateList(LinkedList<PcepLabelUpdate> ll) { - this.llPcLabelUpdateList = ll; - } - - @Override - public String toString() { - return MoreObjects.toStringHelper(getClass()) - .add("PcLabelUpdateList", llPcLabelUpdateList) - .toString(); - } -} |