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/*
* 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.net.statistic;
import org.onosproject.net.ConnectPoint;
import org.onosproject.net.flow.FlowEntry;
import org.onosproject.net.flow.TypedStoredFlowEntry;
import org.onosproject.net.flow.DefaultTypedFlowEntry;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* Load of flow entry of flow live type.
*/
public class TypedFlowEntryWithLoad {
private ConnectPoint cp;
private TypedStoredFlowEntry tfe;
private Load load;
//TODO: make this variables class, and share with NewAdaptivceFlowStatsCollector class
private static final int CAL_AND_POLL_INTERVAL = 5; // means SHORT_POLL_INTERVAL
private static final int MID_POLL_INTERVAL = 10;
private static final int LONG_POLL_INTERVAL = 15;
/**
* Creates a new typed flow entry with load.
*
* @param cp connect point
* @param tfe typed flow entry
* @param load load
*/
public TypedFlowEntryWithLoad(ConnectPoint cp, TypedStoredFlowEntry tfe, Load load) {
this.cp = cp;
this.tfe = tfe;
this.load = load;
}
/**
* Creates a new typed flow entry with load.
*
* @param cp connect point
* @param tfe typed flow entry
*/
public TypedFlowEntryWithLoad(ConnectPoint cp, TypedStoredFlowEntry tfe) {
this.cp = cp;
this.tfe = tfe;
this.load = new DefaultLoad(tfe.bytes(), 0, typedPollInterval(tfe));
}
/**
* Creates a new typed flow entry with load.
*
* @param cp connect point
* @param fe flow entry
*/
public TypedFlowEntryWithLoad(ConnectPoint cp, FlowEntry fe) {
this.cp = cp;
this.tfe = newTypedStoredFlowEntry(fe);
this.load = new DefaultLoad(fe.bytes(), 0, typedPollInterval(this.tfe));
}
public ConnectPoint connectPoint() {
return cp;
}
public TypedStoredFlowEntry typedStoredFlowEntry() {
return tfe;
}
public Load load() {
return load;
}
public void setLoad(Load load) {
this.load = load;
}
/**
* Returns short polling interval.
*
* @return short poll interval
*/
public static int shortPollInterval() {
return CAL_AND_POLL_INTERVAL;
}
/**
* Returns mid polling interval.
*
* @return mid poll interval
*/
public static int midPollInterval() {
return MID_POLL_INTERVAL;
}
/**
* Returns long polling interval.
*
* @return long poll interval
*/
public static int longPollInterval() {
return LONG_POLL_INTERVAL;
}
/**
* Returns average polling interval.
*
* @return average poll interval
*/
public static int avgPollInterval() {
return (CAL_AND_POLL_INTERVAL + MID_POLL_INTERVAL + LONG_POLL_INTERVAL) / 3;
}
/**
* Returns current typed flow entry's polling interval.
*
* @param tfe typed flow entry
* @return typed poll interval
*/
public static long typedPollInterval(TypedStoredFlowEntry tfe) {
checkNotNull(tfe, "TypedStoredFlowEntry cannot be null");
switch (tfe.flowLiveType()) {
case LONG_FLOW:
return LONG_POLL_INTERVAL;
case MID_FLOW:
return MID_POLL_INTERVAL;
case SHORT_FLOW:
case IMMEDIATE_FLOW:
default:
return CAL_AND_POLL_INTERVAL;
}
}
/**
* Creates a new typed flow entry with the given flow entry fe.
*
* @param fe flow entry
* @return new typed flow entry
*/
public static TypedStoredFlowEntry newTypedStoredFlowEntry(FlowEntry fe) {
if (fe == null) {
return null;
}
long life = fe.life();
if (life >= LONG_POLL_INTERVAL) {
return new DefaultTypedFlowEntry(fe, TypedStoredFlowEntry.FlowLiveType.LONG_FLOW);
} else if (life >= MID_POLL_INTERVAL) {
return new DefaultTypedFlowEntry(fe, TypedStoredFlowEntry.FlowLiveType.MID_FLOW);
} else if (life >= CAL_AND_POLL_INTERVAL) {
return new DefaultTypedFlowEntry(fe, TypedStoredFlowEntry.FlowLiveType.SHORT_FLOW);
} else if (life >= 0) {
return new DefaultTypedFlowEntry(fe, TypedStoredFlowEntry.FlowLiveType.IMMEDIATE_FLOW);
} else { // life < 0
return new DefaultTypedFlowEntry(fe, TypedStoredFlowEntry.FlowLiveType.UNKNOWN_FLOW);
}
}
}
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