ssyoon90 | a98825a | 2015-08-26 00:48:15 +0900 | [diff] [blame^] | 1 | /*
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| 2 | * Copyright 2015 Open Networking Laboratory
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| 3 | *
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| 4 | * Licensed under the Apache License, Version 2.0 (the "License");
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| 5 | * you may not use this file except in compliance with the License.
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| 6 | * You may obtain a copy of the License at
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| 7 | *
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| 8 | * http://www.apache.org/licenses/LICENSE-2.0
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| 9 | *
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| 10 | * Unless required by applicable law or agreed to in writing, software
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| 11 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 13 | * See the License for the specific language governing permissions and
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| 14 | * limitations under the License.
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| 15 | */
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| 16 |
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| 17 | package org.onosproject.net.statistic;
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| 18 |
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| 19 | import org.onosproject.net.ConnectPoint;
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| 20 | import org.onosproject.net.flow.FlowEntry;
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| 21 | import org.onosproject.net.flow.TypedStoredFlowEntry;
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| 22 | import org.onosproject.net.flow.DefaultTypedFlowEntry;
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| 23 |
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| 24 | import static com.google.common.base.Preconditions.checkNotNull;
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| 25 |
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| 26 | /**
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| 27 | * Load of flow entry of flow live type.
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| 28 | */
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| 29 | public class TypedFlowEntryWithLoad {
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| 30 | private ConnectPoint cp;
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| 31 | private TypedStoredFlowEntry tfe;
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| 32 | private Load load;
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| 33 |
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| 34 | //TODO: make this variables class, and share with NewAdaptivceFlowStatsCollector class
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| 35 | private static final int CAL_AND_POLL_INTERVAL = 5; // means SHORT_POLL_INTERVAL
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| 36 | private static final int MID_POLL_INTERVAL = 10;
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| 37 | private static final int LONG_POLL_INTERVAL = 15;
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| 38 |
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| 39 |
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| 40 | public TypedFlowEntryWithLoad(ConnectPoint cp, TypedStoredFlowEntry tfe, Load load) {
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| 41 | this.cp = cp;
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| 42 | this.tfe = tfe;
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| 43 | this.load = load;
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| 44 | }
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| 45 |
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| 46 | public TypedFlowEntryWithLoad(ConnectPoint cp, TypedStoredFlowEntry tfe) {
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| 47 | this.cp = cp;
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| 48 | this.tfe = tfe;
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| 49 | this.load = new DefaultLoad(tfe.bytes(), 0, typedPollInterval(tfe));
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| 50 | }
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| 51 |
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| 52 | public TypedFlowEntryWithLoad(ConnectPoint cp, FlowEntry fe) {
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| 53 | this.cp = cp;
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| 54 | this.tfe = newTypedStoredFlowEntry(fe);
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| 55 | this.load = new DefaultLoad(fe.bytes(), 0, typedPollInterval(this.tfe));
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| 56 | }
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| 57 |
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| 58 | public ConnectPoint connectPoint() {
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| 59 | return cp;
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| 60 | }
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| 61 | public TypedStoredFlowEntry typedStoredFlowEntry() {
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| 62 | return tfe;
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| 63 | }
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| 64 | public Load load() {
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| 65 | return load;
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| 66 | }
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| 67 | public void setLoad(Load load) {
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| 68 | this.load = load;
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| 69 | }
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| 70 |
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| 71 | /**
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| 72 | * Returns short polling interval.
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| 73 | */
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| 74 | public static int shortPollInterval() {
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| 75 | return CAL_AND_POLL_INTERVAL;
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| 76 | }
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| 77 |
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| 78 | /**
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| 79 | * Returns mid polling interval.
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| 80 | */
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| 81 | public static int midPollInterval() {
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| 82 | return MID_POLL_INTERVAL;
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| 83 | }
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| 84 |
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| 85 | /**
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| 86 | * Returns long polling interval.
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| 87 | */
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| 88 | public static int longPollInterval() {
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| 89 | return LONG_POLL_INTERVAL;
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| 90 | }
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| 91 |
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| 92 | /**
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| 93 | * Returns average polling interval.
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| 94 | */
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| 95 | public static int avgPollInterval() {
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| 96 | return (CAL_AND_POLL_INTERVAL + MID_POLL_INTERVAL + LONG_POLL_INTERVAL) / 3;
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| 97 | }
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| 98 |
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| 99 | /**
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| 100 | * Returns current typed flow entry's polling interval.
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| 101 | *
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| 102 | * @param tfe typed flow entry
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| 103 | */
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| 104 | public static long typedPollInterval(TypedStoredFlowEntry tfe) {
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| 105 | checkNotNull(tfe, "TypedStoredFlowEntry cannot be null");
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| 106 |
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| 107 | switch (tfe.flowLiveType()) {
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| 108 | case LONG_FLOW:
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| 109 | return LONG_POLL_INTERVAL;
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| 110 | case MID_FLOW:
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| 111 | return MID_POLL_INTERVAL;
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| 112 | case SHORT_FLOW:
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| 113 | case IMMEDIATE_FLOW:
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| 114 | default:
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| 115 | return CAL_AND_POLL_INTERVAL;
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| 116 | }
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| 117 | }
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| 118 |
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| 119 | /**
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| 120 | * Creates a new typed flow entry with the given flow entry fe.
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| 121 | *
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| 122 | * @param fe flow entry
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| 123 | */
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| 124 | public static TypedStoredFlowEntry newTypedStoredFlowEntry(FlowEntry fe) {
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| 125 | if (fe == null) {
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| 126 | return null;
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| 127 | }
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| 128 |
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| 129 | long life = fe.life();
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| 130 |
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| 131 | if (life >= LONG_POLL_INTERVAL) {
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| 132 | return new DefaultTypedFlowEntry(fe, TypedStoredFlowEntry.FlowLiveType.LONG_FLOW);
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| 133 | } else if (life >= MID_POLL_INTERVAL) {
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| 134 | return new DefaultTypedFlowEntry(fe, TypedStoredFlowEntry.FlowLiveType.MID_FLOW);
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| 135 | } else if (life >= CAL_AND_POLL_INTERVAL) {
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| 136 | return new DefaultTypedFlowEntry(fe, TypedStoredFlowEntry.FlowLiveType.SHORT_FLOW);
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| 137 | } else if (life >= 0) {
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| 138 | return new DefaultTypedFlowEntry(fe, TypedStoredFlowEntry.FlowLiveType.IMMEDIATE_FLOW);
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| 139 | } else { // life < 0
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| 140 | return new DefaultTypedFlowEntry(fe, TypedStoredFlowEntry.FlowLiveType.UNKNOWN_FLOW);
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| 141 | }
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| 142 | }
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| 143 | }
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