Sangsik Yoon | b1b823f | 2016-05-16 18:55:39 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2014-present Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.net.statistic; |
| 17 | |
| 18 | import org.onosproject.net.ConnectPoint; |
| 19 | import org.onosproject.net.flow.FlowEntry; |
| 20 | import org.onosproject.net.flow.StoredFlowEntry; |
| 21 | |
| 22 | import static com.google.common.base.Preconditions.checkArgument; |
| 23 | import static com.google.common.base.Preconditions.checkNotNull; |
| 24 | |
| 25 | /** |
| 26 | * Load of flow entry with flow live type. |
| 27 | */ |
| 28 | public class FlowEntryWithLoad { |
| 29 | private final ConnectPoint cp; |
| 30 | private final FlowEntry fe; |
| 31 | private final Load load; |
| 32 | |
| 33 | /** |
| 34 | * Creates a new flow entry with load. |
| 35 | * |
| 36 | * @param cp connect point |
| 37 | * @param fe flow entry with live type |
| 38 | * @param load load |
| 39 | */ |
| 40 | public FlowEntryWithLoad(ConnectPoint cp, FlowEntry fe, Load load) { |
| 41 | checkArgument(fe instanceof StoredFlowEntry, "FlowEntry must be StoredFlowEntry class type"); |
| 42 | this.cp = cp; |
| 43 | this.fe = fe; |
| 44 | this.load = load; |
| 45 | } |
| 46 | |
| 47 | /** |
| 48 | * Creates a new flow entry with load. |
| 49 | * |
| 50 | * @param cp connect point |
| 51 | * @param fe flow entry with live type |
| 52 | */ |
| 53 | public FlowEntryWithLoad(ConnectPoint cp, FlowEntry fe) { |
| 54 | checkArgument(fe instanceof StoredFlowEntry, "FlowEntry must be StoredFlowEntry class type"); |
| 55 | this.cp = cp; |
| 56 | this.fe = fe; |
| 57 | this.load = new DefaultLoad(fe.bytes(), 0, typedPollInterval(fe)); |
| 58 | } |
| 59 | |
| 60 | /** |
| 61 | * Returns connect point. |
| 62 | * |
| 63 | * @return connect point |
| 64 | */ |
| 65 | public ConnectPoint connectPoint() { |
| 66 | return cp; |
| 67 | } |
| 68 | |
| 69 | /** |
| 70 | * Returns stored flow entry. |
| 71 | * |
| 72 | * @return flow entry |
| 73 | */ |
| 74 | public StoredFlowEntry storedFlowEntry() { |
| 75 | return (StoredFlowEntry) fe; |
| 76 | } |
| 77 | |
| 78 | /** |
| 79 | * Returns current load. |
| 80 | * |
| 81 | * @return load |
| 82 | */ |
| 83 | public Load load() { |
| 84 | return load; |
| 85 | } |
| 86 | |
| 87 | /** |
| 88 | * Returns current flow entry's polling interval. |
| 89 | * |
| 90 | * @param fe flow entry |
| 91 | * @return poll interval time unit in seconds |
| 92 | */ |
| 93 | private long typedPollInterval(FlowEntry fe) { |
| 94 | checkNotNull(fe, "FlowEntry cannot be null"); |
| 95 | |
| 96 | PollInterval pollIntervalInstance = PollInterval.getInstance(); |
| 97 | |
| 98 | switch (fe.liveType()) { |
| 99 | case LONG: |
| 100 | return pollIntervalInstance.getLongPollInterval(); |
| 101 | case MID: |
| 102 | return pollIntervalInstance.getMidPollInterval(); |
| 103 | case SHORT: |
| 104 | case IMMEDIATE: |
| 105 | case UNKNOWN: |
| 106 | default: |
| 107 | return pollIntervalInstance.getPollInterval(); |
| 108 | } |
| 109 | } |
| 110 | } |