Sean Condon | 0e89bda | 2017-03-21 14:23:19 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2017-present Open Networking Foundation |
| 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.incubator.net.l2monitoring.soam.loss; |
| 17 | |
| 18 | import java.time.Duration; |
| 19 | |
| 20 | import org.onosproject.incubator.net.l2monitoring.soam.MilliPct; |
| 21 | |
| 22 | /** |
| 23 | * Abstract base interface to represent Loss Availability Stats. |
| 24 | */ |
| 25 | public interface LossAvailabilityStat { |
| 26 | |
| 27 | Duration elapsedTime(); |
| 28 | |
| 29 | /** |
| 30 | * Indicates whether the Measurement Interval has been marked as suspect. |
| 31 | * The object is set to false at the start of a measurement interval. |
| 32 | * Conditions for a discontinuity include, but are not limited to the following: |
| 33 | * 1 - The local time-of-day clock is adjusted by at least 10 seconds |
| 34 | * 2 - The conducting of a performance measurement is halted before the |
| 35 | * current Measurement Interval is completed |
| 36 | * 3 - A local test, failure, or reconfiguration that disrupts service |
| 37 | * @return true when there is a discontinuity in the performance measurements during the Measurement Interval |
| 38 | */ |
| 39 | boolean suspectStatus(); |
| 40 | |
| 41 | /** |
| 42 | * The number of high loss intervals (HLI) over time in the forward direction. |
| 43 | * The value starts at 0 and increments for every HLI that occurs. |
| 44 | * This parameter is equivalent to 'L Sub T' found in MEF 10.2.1 |
| 45 | * @return the number of intervals |
| 46 | */ |
| 47 | Long forwardHighLoss(); |
| 48 | |
| 49 | /** |
| 50 | * The number of high loss intervals (HLI) over time in the backward direction. |
| 51 | * The value starts at 0 and increments for every HLI that occurs. |
| 52 | * This parameter is equivalent to 'L Sub T' found in MEF 10.2.1 |
| 53 | * @return the number of intervals |
| 54 | */ |
| 55 | Long backwardHighLoss(); |
| 56 | |
| 57 | /** |
| 58 | * The number of consecutive high loss intervals (CHLI) over time in the forward direction. |
| 59 | * The value starts at 0 and increments for every HLI that occurs. |
| 60 | * This parameter is equivalent to 'B Sub T' found in MEF 10.2.1 |
| 61 | * @return the number of intervals |
| 62 | */ |
| 63 | Long forwardConsecutiveHighLoss(); |
| 64 | |
| 65 | /** |
| 66 | * The number of consecutive high loss intervals (CHLI) over time in the backward direction. |
| 67 | * The value starts at 0 and increments for every HLI that occurs. |
| 68 | * This parameter is equivalent to 'B Sub T' found in MEF 10.2.1 |
| 69 | * @return the number of intervals |
| 70 | */ |
| 71 | Long backwardConsecutiveHighLoss(); |
| 72 | |
| 73 | /** |
| 74 | * The number of availability indicators during a small time interval. |
| 75 | * evaluated as available (low frame loss) in the forward direction by this |
| 76 | * MEP during this measurement interval. |
| 77 | * @return The number of availability indicators |
| 78 | */ |
| 79 | Long forwardAvailable(); |
| 80 | |
| 81 | /** |
| 82 | * The number of availability indicators during a small time interval. |
| 83 | * evaluated as available (low frame loss) in the backward direction by |
| 84 | * this MEP during this measurement interval. |
| 85 | * @return The number of availability indicators |
| 86 | */ |
| 87 | Long backwardAvailable(); |
| 88 | |
| 89 | /** |
| 90 | * The number of availability indicators during a small time interval. |
| 91 | * evaluated as unavailable (high frame loss) in the forward direction by |
| 92 | * this MEP during this measurement interval |
| 93 | * @return The number of availability indicators |
| 94 | */ |
| 95 | Long forwardUnavailable(); |
| 96 | |
| 97 | /** |
| 98 | * The number of availability indicators during a small time interval. |
| 99 | * evaluated as unavailable (high frame loss) in the backward direction by |
| 100 | * this MEP during this measurement interval |
| 101 | * @return The number of availability indicators |
| 102 | */ |
| 103 | Long backwardUnavailable(); |
| 104 | |
| 105 | /** |
| 106 | * The minimum one-way availability flr in the forward direction,. |
| 107 | * from among the set of availability flr values calculated by the MEP in this Measurement Interval. |
| 108 | * There is one availability flr value for each 'delta_t' time period within |
| 109 | * the Measurement Interval, as specified in MEF 10.2.1. |
| 110 | * The flr value is a ratio that is expressed as a percent with a value of 0 |
| 111 | * (ratio 0.00) through 100000 (ratio 1.00). |
| 112 | * @return The ratio as 1/1000th of a percent, where 1 indicates 0.001 percent |
| 113 | */ |
| 114 | MilliPct forwardMinFrameLossRatio(); |
| 115 | |
| 116 | /** |
| 117 | * The maximum one-way availability flr in the forward direction,. |
| 118 | * from among the set of availability flr values calculated by the MEP in this Measurement Interval. |
| 119 | * There is one availability flr value for each 'delta_t' time period within |
| 120 | * the Measurement Interval, as specified in MEF 10.2.1. |
| 121 | * The flr value is a ratio that is expressed as a percent with a value of 0 |
| 122 | * (ratio 0.00) through 100000 (ratio 1.00). |
| 123 | * @return The ratio as 1/1000th of a percent, where 1 indicates 0.001 percent |
| 124 | */ |
| 125 | MilliPct forwardMaxFrameLossRatio(); |
| 126 | |
| 127 | /** |
| 128 | * The average one-way availability flr in the forward direction,. |
| 129 | * from among the set of availability flr values calculated by the MEP in this Measurement Interval. |
| 130 | * There is one availability flr value for each 'delta_t' time period within |
| 131 | * the Measurement Interval, as specified in MEF 10.2.1. |
| 132 | * The flr value is a ratio that is expressed as a percent with a value of 0 |
| 133 | * (ratio 0.00) through 100000 (ratio 1.00). |
| 134 | * @return The ratio as 1/1000th of a percent, where 1 indicates 0.001 percent |
| 135 | */ |
| 136 | MilliPct forwardAverageFrameLossRatio(); |
| 137 | |
| 138 | /** |
| 139 | * The minimum one-way availability flr in the backward direction,. |
| 140 | * from among the set of availability flr values calculated by the MEP in this Measurement Interval. |
| 141 | * There is one availability flr value for each 'delta_t' time period within |
| 142 | * the Measurement Interval, as specified in MEF 10.2.1. |
| 143 | * The flr value is a ratio that is expressed as a percent with a value of 0 |
| 144 | * (ratio 0.00) through 100000 (ratio 1.00). |
| 145 | * @return The ratio as 1/1000th of a percent, where 1 indicates 0.001 percent |
| 146 | */ |
| 147 | MilliPct backwardMinFrameLossRatio(); |
| 148 | |
| 149 | /** |
| 150 | * The maximum one-way availability flr in the backward direction,. |
| 151 | * from among the set of availability flr values calculated by the MEP in this Measurement Interval. |
| 152 | * There is one availability flr value for each 'delta_t' time period within |
| 153 | * the Measurement Interval, as specified in MEF 10.2.1. |
| 154 | * The flr value is a ratio that is expressed as a percent with a value of 0 |
| 155 | * (ratio 0.00) through 100000 (ratio 1.00). |
| 156 | * @return The ratio as 1/1000th of a percent, where 1 indicates 0.001 percent |
| 157 | */ |
| 158 | MilliPct backwardMaxFrameLossRatio(); |
| 159 | |
| 160 | /** |
| 161 | * The average one-way availability flr in the backward direction,. |
| 162 | * from among the set of availability flr values calculated by the MEP in this Measurement Interval. |
| 163 | * There is one availability flr value for each 'delta_t' time period within |
| 164 | * the Measurement Interval, as specified in MEF 10.2.1. |
| 165 | * The flr value is a ratio that is expressed as a percent with a value of 0 |
| 166 | * (ratio 0.00) through 100000 (ratio 1.00). |
| 167 | * @return The ratio as 1/1000th of a percent, where 1 indicates 0.001 percent |
| 168 | */ |
| 169 | MilliPct backwardAverageFrameLossRatio(); |
| 170 | |
| 171 | /** |
| 172 | * Abstract builder for classes derived from LossAvailabilityStat. |
| 173 | * {@link org.onosproject.incubator.net.l2monitoring.soam.loss.LossAvailabilityStat}. |
| 174 | */ |
| 175 | public interface LaStatBuilder { |
| 176 | LaStatBuilder forwardHighLoss(Long forwardHighLoss); |
| 177 | |
| 178 | LaStatBuilder backwardHighLoss(Long backwardHighLoss); |
| 179 | |
| 180 | LaStatBuilder forwardConsecutiveHighLoss(Long forwardConsecutiveHighLoss); |
| 181 | |
| 182 | LaStatBuilder backwardConsecutiveHighLoss(Long backwardConsecutiveHighLoss); |
| 183 | |
| 184 | LaStatBuilder forwardAvailable(Long forwardAvailable); |
| 185 | |
| 186 | LaStatBuilder backwardAvailable(Long backwardAvailable); |
| 187 | |
| 188 | LaStatBuilder forwardUnavailable(Long forwardUnavailable); |
| 189 | |
| 190 | LaStatBuilder backwardUnavailable(Long backwardUnavailable); |
| 191 | |
| 192 | LaStatBuilder forwardMinFrameLossRatio(MilliPct forwardMinFrameLossRatio); |
| 193 | |
| 194 | LaStatBuilder forwardMaxFrameLossRatio(MilliPct forwardMaxFrameLossRatio); |
| 195 | |
| 196 | LaStatBuilder forwardAverageFrameLossRatio(MilliPct forwardAverageFrameLossRatio); |
| 197 | |
| 198 | LaStatBuilder backwardMinFrameLossRatio(MilliPct backwardMinFrameLossRatio); |
| 199 | |
| 200 | LaStatBuilder backwardMaxFrameLossRatio(MilliPct backwardMaxFrameLossRatio); |
| 201 | |
| 202 | LaStatBuilder backwardAverageFrameLossRatio(MilliPct backwardAverageFrameLossRatio); |
| 203 | } |
| 204 | } |