/**
* Copyright 2011, Big Switch Networks, Inc.* Originally created by David Erickson, Stanford University
** 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 net.floodlightcontroller.linkdiscovery;
import net.floodlightcontroller.linkdiscovery.ILinkDiscovery.LinkType;
import com.fasterxml.jackson.annotation.JsonIgnore;
public class LinkInfo {
public LinkInfo(Long firstSeenTime,
Long lastLldpReceivedTime,
Long lastBddpReceivedTime) {
super();
this.firstSeenTime = firstSeenTime;
this.lastLldpReceivedTime = lastLldpReceivedTime;
this.lastBddpReceivedTime = lastBddpReceivedTime;
}
/*
* Do not use this constructor. Used primarily for JSON
* Serialization/Deserialization
*/
public LinkInfo() {
this.firstSeenTime = null;
this.lastLldpReceivedTime = null;
this.lastBddpReceivedTime = null;
}
public LinkInfo(LinkInfo fromLinkInfo) {
this.firstSeenTime = fromLinkInfo.getFirstSeenTime();
this.lastLldpReceivedTime = fromLinkInfo.getUnicastValidTime();
this.lastBddpReceivedTime = fromLinkInfo.getMulticastValidTime();
}
protected Long firstSeenTime;
protected Long lastLldpReceivedTime; /* Standard LLLDP received time */
protected Long lastBddpReceivedTime; /* Modified LLDP received time */
/** The port states stored here are topology's last knowledge of
* the state of the port. This mostly mirrors the state
* maintained in the port list in IOFSwitch (i.e. the one returned
* from getPort), except that during a port status message the
* IOFSwitch port state will already have been updated with the
* new port state, so topology needs to keep its own copy so that
* it can determine if the port state has changed and therefore
* requires the new state to be written to storage.
*/
public Long getFirstSeenTime() {
return firstSeenTime;
}
public void setFirstSeenTime(Long firstSeenTime) {
this.firstSeenTime = firstSeenTime;
}
public Long getUnicastValidTime() {
return lastLldpReceivedTime;
}
public void setUnicastValidTime(Long unicastValidTime) {
this.lastLldpReceivedTime = unicastValidTime;
}
public Long getMulticastValidTime() {
return lastBddpReceivedTime;
}
public void setMulticastValidTime(Long multicastValidTime) {
this.lastBddpReceivedTime = multicastValidTime;
}
@JsonIgnore
public LinkType getLinkType() {
if (lastLldpReceivedTime != null) {
return LinkType.DIRECT_LINK;
} else if (lastBddpReceivedTime != null) {
return LinkType.MULTIHOP_LINK;
}
return LinkType.INVALID_LINK;
}
/* (non-Javadoc)
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
final int prime = 5557;
int result = 1;
result = prime * result + ((firstSeenTime == null) ? 0 : firstSeenTime.hashCode());
result = prime * result + ((lastLldpReceivedTime == null) ? 0 : lastLldpReceivedTime.hashCode());
result = prime * result + ((lastBddpReceivedTime == null) ? 0 : lastBddpReceivedTime.hashCode());
return result;
}
/* (non-Javadoc)
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (!(obj instanceof LinkInfo))
return false;
LinkInfo other = (LinkInfo) obj;
if (firstSeenTime == null) {
if (other.firstSeenTime != null)
return false;
} else if (!firstSeenTime.equals(other.firstSeenTime))
return false;
if (lastLldpReceivedTime == null) {
if (other.lastLldpReceivedTime != null)
return false;
} else if (!lastLldpReceivedTime.equals(other.lastLldpReceivedTime))
return false;
if (lastBddpReceivedTime == null) {
if (other.lastBddpReceivedTime != null)
return false;
} else if (!lastBddpReceivedTime.equals(other.lastBddpReceivedTime))
return false;
return true;
}
/* (non-Javadoc)
* @see java.lang.Object#toString()
*/
@Override
public String toString() {
return "LinkInfo [unicastValidTime=" + ((lastLldpReceivedTime == null) ? "null" : lastLldpReceivedTime)
+ ", multicastValidTime=" + ((lastBddpReceivedTime == null) ? "null" : lastBddpReceivedTime)
+ "]";
}
}