/* | |
* 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; | |
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(); | |
} | |
} |