diff options
Diffstat (limited to 'framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepFecObjectIPv4UnnumberedAdjacencyVer1.java')
| -rw-r--r-- | framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepFecObjectIPv4UnnumberedAdjacencyVer1.java | 334 |
1 files changed, 334 insertions, 0 deletions
diff --git a/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepFecObjectIPv4UnnumberedAdjacencyVer1.java b/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepFecObjectIPv4UnnumberedAdjacencyVer1.java new file mode 100644 index 00000000..f2f54cda --- /dev/null +++ b/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepFecObjectIPv4UnnumberedAdjacencyVer1.java @@ -0,0 +1,334 @@ +/* + * 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 org.jboss.netty.buffer.ChannelBuffer; +import org.onosproject.pcepio.exceptions.PcepParseException; +import org.onosproject.pcepio.protocol.PcepFecObjectIPv4UnnumberedAdjacency; +import org.onosproject.pcepio.protocol.PcepVersion; +import org.onosproject.pcepio.types.PcepObjectHeader; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import com.google.common.base.MoreObjects; + +/** + * Provides Pcep Fec Object IPv4 Unnumbered Adjacency object. + */ +public class PcepFecObjectIPv4UnnumberedAdjacencyVer1 implements PcepFecObjectIPv4UnnumberedAdjacency { + + /* + * ref : draft-zhao-pce-pcep-extension-for-pce-controller-01 , section : 7.5 + * + 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 + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + | Local Node-ID | + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + | Local Interface ID | + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + | Remote Node-ID | + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + | Remote Interface ID | + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + + FEC Object-Type is 5, Unnumbered Adjacency with IPv4 NodeIDs + */ + protected static final Logger log = LoggerFactory.getLogger(PcepFecObjectIPv4UnnumberedAdjacencyVer1.class); + + public static final byte FEC_OBJ_TYPE = 5; + public static final byte FEC_OBJ_CLASS = 63; //to be defined + public static final byte FEC_OBJECT_VERSION = 1; + public static final short FEC_OBJ_MINIMUM_LENGTH = 20; + public static final int MINIMUM_COMMON_HEADER_LENGTH = 4; + + static final PcepObjectHeader DEFAULT_FEC_OBJECT_HEADER = new PcepObjectHeader(FEC_OBJ_CLASS, FEC_OBJ_TYPE, + PcepObjectHeader.REQ_OBJ_OPTIONAL_PROCESS, PcepObjectHeader.RSP_OBJ_PROCESSED, FEC_OBJ_MINIMUM_LENGTH); + + private PcepObjectHeader fecObjHeader; + private int localNodeID; + private int localInterfaceID; + private int remoteNodeID; + private int remoteInterfaceID; + + /** + * Constructor to initialize parameter for PCEP fec object. + * + * @param fecObjHeader fec object header + * @param localNodeID local node ID + * @param localInterfaceID local interface ID + * @param remoteNodeID remote node ID + * @param remoteInterfaceID remote interface ID + */ + public PcepFecObjectIPv4UnnumberedAdjacencyVer1(PcepObjectHeader fecObjHeader, int localNodeID, + int localInterfaceID, int remoteNodeID, int remoteInterfaceID) { + this.fecObjHeader = fecObjHeader; + this.localNodeID = localNodeID; + this.localInterfaceID = localInterfaceID; + this.remoteNodeID = remoteNodeID; + this.remoteInterfaceID = remoteInterfaceID; + } + + /** + * Sets Object Header. + * + * @param obj object header + */ + public void setFecIpv4UnnumberedAdjacencyObjHeader(PcepObjectHeader obj) { + this.fecObjHeader = obj; + } + + @Override + public void setLocalNodeID(int localNodeID) { + this.localNodeID = localNodeID; + } + + /** + * Returns Object Header. + * + * @return fecObjHeader fec object header + */ + public PcepObjectHeader getFecIpv4UnnumberedAdjacencyObjHeader() { + return this.fecObjHeader; + } + + @Override + public int getLocalNodeID() { + return this.localNodeID; + } + + @Override + public int getLocalInterfaceID() { + return this.localInterfaceID; + } + + @Override + public void setLocalInterfaceID(int localInterfaceID) { + this.localInterfaceID = localInterfaceID; + } + + @Override + public int getRemoteNodeID() { + return this.remoteNodeID; + } + + @Override + public void setRemoteNodeID(int remoteNodeID) { + this.remoteNodeID = remoteNodeID; + } + + @Override + public int getRemoteInterfaceID() { + return this.remoteInterfaceID; + } + + @Override + public void setRemoteInterfaceID(int remoteInterfaceID) { + this.remoteInterfaceID = remoteInterfaceID; + } + + /** + * Reads from channel buffer and returns object of PcepFecObjectIPv4UnnumberedAdjacency. + * + * @param cb of channel buffer + * @return object of PcepFecObjectIPv4UnnumberedAdjacency + * @throws PcepParseException when fails to read from channel buffer + */ + public static PcepFecObjectIPv4UnnumberedAdjacency read(ChannelBuffer cb) throws PcepParseException { + + PcepObjectHeader fecObjHeader; + int localNodeID; + int localInterfaceID; + int remoteNodeID; + int remoteInterfaceID; + + fecObjHeader = PcepObjectHeader.read(cb); + + //take only FEC IPv4 Unnumbered Adjacency Object buffer. + ChannelBuffer tempCb = cb.readBytes(fecObjHeader.getObjLen() - MINIMUM_COMMON_HEADER_LENGTH); + localNodeID = tempCb.readInt(); + localInterfaceID = tempCb.readInt(); + remoteNodeID = tempCb.readInt(); + remoteInterfaceID = tempCb.readInt(); + + return new PcepFecObjectIPv4UnnumberedAdjacencyVer1(fecObjHeader, localNodeID, localInterfaceID, remoteNodeID, + remoteInterfaceID); + } + + @Override + public int write(ChannelBuffer cb) throws PcepParseException { + + int objStartIndex = cb.writerIndex(); + + //Write common header + int objLenIndex = fecObjHeader.write(cb); + cb.writeInt(localNodeID); + cb.writeInt(localInterfaceID); + cb.writeInt(remoteNodeID); + cb.writeInt(remoteInterfaceID); + + //Now write FEC IPv4 Unnumbered Adjacency Object Length + cb.setShort(objLenIndex, (short) (cb.writerIndex() - objStartIndex)); + + return cb.writerIndex(); + } + + /** + * Builder class for PCEP Fec object IPv4 unnumbered Adjacency. + */ + public static class Builder implements PcepFecObjectIPv4UnnumberedAdjacency.Builder { + private boolean bIsHeaderSet = false; + private boolean bIsLocalNodeIDset = false; + private boolean bIsLocalInterfaceIDset = false; + private boolean bIsRemoteNodeIDset = false; + private boolean bIsRemoteInterfaceIDset = false; + + private PcepObjectHeader fecObjHeader; + private int localNodeID; + private int localInterfaceID; + private int remoteNodeID; + private int remoteInterfaceID; + + private boolean bIsPFlagSet = false; + private boolean bPFlag; + + private boolean bIsIFlagSet = false; + private boolean bIFlag; + + @Override + public PcepFecObjectIPv4UnnumberedAdjacency build() throws PcepParseException { + PcepObjectHeader fecObjHeader = this.bIsHeaderSet ? this.fecObjHeader : DEFAULT_FEC_OBJECT_HEADER; + + if (!this.bIsLocalNodeIDset) { + throw new PcepParseException( + " Local Node ID not set while building PcepFecObjectIPv4UnnumberedAdjacency object."); + } + if (!this.bIsLocalInterfaceIDset) { + throw new PcepParseException( + " Local Interface ID not set while building PcepFecObjectIPv4UnnumberedAdjacency object."); + } + if (!this.bIsRemoteNodeIDset) { + throw new PcepParseException( + " Remote Node ID not set while building PcepFecObjectIPv4UnnumberedAdjacency object."); + } + if (!this.bIsRemoteInterfaceIDset) { + throw new PcepParseException( + " Remote Interface ID not set while building PcepFecObjectIPv4UnnumberedAdjacency object."); + } + if (bIsPFlagSet) { + fecObjHeader.setPFlag(bPFlag); + } + if (bIsIFlagSet) { + fecObjHeader.setIFlag(bIFlag); + } + return new PcepFecObjectIPv4UnnumberedAdjacencyVer1(fecObjHeader, this.localNodeID, this.localInterfaceID, + this.remoteNodeID, this.remoteInterfaceID); + } + + @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 PcepObjectHeader getFecIpv4UnnumberedAdjacencyObjHeader() { + return this.fecObjHeader; + } + + @Override + public Builder setFecIpv4UnnumberedAdjacencyObjHeader(PcepObjectHeader obj) { + this.fecObjHeader = obj; + this.bIsHeaderSet = true; + return this; + } + + @Override + public int getLocalNodeID() { + return this.localNodeID; + } + + @Override + public Builder setLocalNodeID(int value) { + this.localNodeID = value; + this.bIsLocalNodeIDset = true; + return this; + } + + @Override + public int getLocalInterfaceID() { + return this.localInterfaceID; + } + + @Override + public Builder setLocalInterfaceID(int value) { + this.localInterfaceID = value; + this.bIsLocalInterfaceIDset = true; + return this; + } + + @Override + public int getRemoteNodeID() { + return this.remoteNodeID; + } + + @Override + public Builder setRemoteNodeID(int value) { + this.remoteNodeID = value; + this.bIsRemoteNodeIDset = true; + return this; + } + + @Override + public int getRemoteInterfaceID() { + return this.remoteInterfaceID; + } + + @Override + public Builder setRemoteInterfaceID(int value) { + this.remoteInterfaceID = value; + this.bIsRemoteInterfaceIDset = true; + return this; + } + } + + @Override + public PcepVersion getVersion() { + return PcepVersion.PCEP_1; + } + + @Override + public int getType() { + return FEC_OBJ_TYPE; + } + + @Override + public String toString() { + return MoreObjects.toStringHelper(getClass()) + .add("LocalNodeID: ", localNodeID) + .add("LocalInterfaceID: ", localInterfaceID).add("RemoteNodeID: ", remoteNodeID) + .add("RemoteInterfaceID: ", remoteInterfaceID).toString(); + } +} |