| /* |
| * Copyright 2017-present Open Networking Foundation |
| * |
| * 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.drivers.server.stats; |
| |
| import java.util.Map; |
| import java.util.HashMap; |
| |
| import static org.onosproject.drivers.server.Constants.MSG_CONVERSION_TO_BITS; |
| import static org.onosproject.drivers.server.Constants.MSG_CONVERSION_TO_BYTES; |
| |
| /** |
| * Representation of a monitoring unit. |
| */ |
| public interface MonitoringUnit { |
| |
| /** |
| * Throughput-related monitoring units. |
| */ |
| public enum ThroughputUnit implements MonitoringUnit { |
| |
| BPS("bps"), |
| KBPS("kbps"), |
| MBPS("mbps"), |
| GBPS("gbps"); |
| |
| private String throughputUnit; |
| |
| // Statically maps throughput monitoring units to enum types |
| private static final Map<String, MonitoringUnit> MAP = |
| new HashMap<String, MonitoringUnit>(); |
| static { |
| for (ThroughputUnit tu : ThroughputUnit.values()) { |
| MAP.put(tu.toString().toLowerCase(), (MonitoringUnit) tu); |
| } |
| } |
| |
| private ThroughputUnit(String throughputUnit) { |
| this.throughputUnit = throughputUnit; |
| } |
| |
| public static MonitoringUnit getByName(String tu) { |
| tu = tu.toLowerCase(); |
| return MAP.get(tu); |
| } |
| |
| public static float toGbps(float value, ThroughputUnit fromUnit) { |
| if (value == 0) { |
| return value; |
| } |
| |
| if (fromUnit == BPS) { |
| return value / 1000000000; |
| } else if (fromUnit == KBPS) { |
| return value / 1000000; |
| } else if (fromUnit == MBPS) { |
| return value / 1000; |
| } |
| |
| return value; |
| } |
| |
| @Override |
| public String toString() { |
| return this.throughputUnit; |
| } |
| |
| }; |
| |
| /** |
| * Latency-related monitoring units. |
| */ |
| public enum LatencyUnit implements MonitoringUnit { |
| |
| NANO_SECOND("ns"), |
| MICRO_SECOND("us"), |
| MILLI_SECOND("ms"), |
| SECOND("s"); |
| |
| private String latencyUnit; |
| |
| // Statically maps latency monitoring units to enum types |
| private static final Map<String, MonitoringUnit> MAP = |
| new HashMap<String, MonitoringUnit>(); |
| static { |
| for (LatencyUnit lu : LatencyUnit.values()) { |
| MAP.put(lu.toString().toLowerCase(), (MonitoringUnit) lu); |
| } |
| } |
| |
| private LatencyUnit(String latencyUnit) { |
| this.latencyUnit = latencyUnit; |
| } |
| |
| public static MonitoringUnit getByName(String lu) { |
| lu = lu.toLowerCase(); |
| return MAP.get(lu); |
| } |
| |
| public static float toNano(float value, LatencyUnit fromUnit) { |
| if (value == 0) { |
| return value; |
| } |
| |
| if (fromUnit == MICRO_SECOND) { |
| return value * 1000; |
| } else if (fromUnit == MILLI_SECOND) { |
| return value * 1000000; |
| } else if (fromUnit == SECOND) { |
| return value * 1000000000; |
| } |
| |
| return value; |
| } |
| |
| @Override |
| public String toString() { |
| return this.latencyUnit; |
| } |
| |
| }; |
| |
| /** |
| * Capacity-related monitoring units. |
| */ |
| public enum CapacityUnit implements MonitoringUnit { |
| |
| BITS("Bits"), |
| KILOBITS("kBits"), |
| MEGABITS("MBits"), |
| GIGABITS("GBits"), |
| BYTES("Bytes"), |
| KILOBYTES("kBytes"), |
| MEGABYTES("MBytes"), |
| GIGABYTES("GBytes"); |
| |
| private String capacityUnit; |
| |
| // Statically maps capacity monitoring units to enum types |
| private static final Map<String, MonitoringUnit> MAP = |
| new HashMap<String, MonitoringUnit>(); |
| static { |
| for (CapacityUnit cu : CapacityUnit.values()) { |
| MAP.put(cu.toString().toLowerCase(), (MonitoringUnit) cu); |
| } |
| } |
| |
| private CapacityUnit(String capacityUnit) { |
| this.capacityUnit = capacityUnit; |
| } |
| |
| public static MonitoringUnit getByName(String cu) { |
| cu = cu.toLowerCase(); |
| return MAP.get(cu); |
| } |
| |
| public static float toBits(float value, CapacityUnit fromUnit) { |
| if (value == 0) { |
| return value; |
| } |
| |
| if (fromUnit == BITS) { |
| return value; |
| } else if (fromUnit == KILOBITS) { |
| return (value * 1000); |
| } else if (fromUnit == MEGABITS) { |
| return (value * 1000000); |
| } else if (fromUnit == GIGABITS) { |
| return (value * 1000000000); |
| } else if (fromUnit == BYTES) { |
| return value * 8; |
| } else if (fromUnit == KILOBYTES) { |
| return (value * 1000) * 8; |
| } else if (fromUnit == MEGABYTES) { |
| return (value * 1000000) * 8; |
| } else if (fromUnit == GIGABYTES) { |
| return (value * 1000000000) * 8; |
| } |
| |
| throw new IllegalArgumentException(MSG_CONVERSION_TO_BITS); |
| } |
| |
| public static float toKiloBits(float value, CapacityUnit fromUnit) { |
| return toBits(value, fromUnit) / 1000; |
| } |
| |
| public static float toMegaBits(float value, CapacityUnit fromUnit) { |
| return toBits(value, fromUnit) / 1000000; |
| } |
| |
| public static float toGigaBits(float value, CapacityUnit fromUnit) { |
| return toBits(value, fromUnit) / 1000000000; |
| } |
| |
| public static float toBytes(float value, CapacityUnit fromUnit) { |
| if (value == 0) { |
| return value; |
| } |
| |
| if (fromUnit == BITS) { |
| return value / 8; |
| } else if (fromUnit == KILOBITS) { |
| return (value * 1000) / 8; |
| } else if (fromUnit == MEGABITS) { |
| return (value * 1000000) / 8; |
| } else if (fromUnit == GIGABITS) { |
| return (value * 1000000000) / 8; |
| } else if (fromUnit == BYTES) { |
| return value; |
| } else if (fromUnit == KILOBYTES) { |
| return value * 1000; |
| } else if (fromUnit == MEGABYTES) { |
| return value * 1000000; |
| } else if (fromUnit == GIGABYTES) { |
| return value * 1000000000; |
| } |
| |
| throw new IllegalArgumentException(MSG_CONVERSION_TO_BYTES); |
| } |
| |
| public static float toKiloBytes(float value, CapacityUnit fromUnit) { |
| return toBytes(value, fromUnit) / 1000; |
| } |
| |
| public static float toMegaBytes(float value, CapacityUnit fromUnit) { |
| return toBytes(value, fromUnit) / 1000000; |
| } |
| |
| public static float toGigaBytes(float value, CapacityUnit fromUnit) { |
| return toBytes(value, fromUnit) / 1000000000; |
| } |
| |
| @Override |
| public String toString() { |
| return this.capacityUnit; |
| } |
| |
| }; |
| |
| /** |
| * Percentage-related monitoring unit. |
| */ |
| public enum PercentageUnit implements MonitoringUnit { |
| |
| PERCENTAGE("percentage"); |
| |
| private String percentageUnit; |
| |
| // Statically maps percentage monitoring units to enum types |
| private static final Map<String, MonitoringUnit> MAP = |
| new HashMap<String, MonitoringUnit>(); |
| static { |
| MAP.put(PERCENTAGE.toString().toLowerCase(), (MonitoringUnit) PERCENTAGE); |
| } |
| |
| private PercentageUnit(String percentageUnit) { |
| this.percentageUnit = percentageUnit; |
| } |
| |
| public static MonitoringUnit getByName(String pu) { |
| pu = pu.toLowerCase(); |
| return MAP.get(pu); |
| } |
| |
| @Override |
| public String toString() { |
| return this.percentageUnit; |
| } |
| |
| }; |
| |
| String toString(); |
| |
| } |