Georgios Katsikas | 8360098 | 2017-05-28 20:41:45 +0200 | [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 | |
| 17 | package org.onosproject.drivers.server.impl.stats; |
| 18 | |
| 19 | import org.onosproject.drivers.server.stats.CpuStatistics; |
| 20 | import org.onosproject.drivers.server.stats.MonitoringStatistics; |
| 21 | import org.onosproject.drivers.server.stats.TimingStatistics; |
| 22 | |
| 23 | import org.onosproject.net.DeviceId; |
| 24 | import org.onosproject.net.device.PortStatistics; |
| 25 | |
| 26 | import com.google.common.base.MoreObjects; |
| 27 | |
| 28 | import java.util.Collection; |
| 29 | |
| 30 | import static com.google.common.base.Preconditions.checkNotNull; |
| 31 | import static com.google.common.base.Preconditions.checkArgument; |
| 32 | |
| 33 | /** |
| 34 | * Default monitoring statistics for server devices. |
| 35 | * Includes CPU, NIC, and timing statistics. |
| 36 | */ |
| 37 | public final class DefaultMonitoringStatistics implements MonitoringStatistics { |
| 38 | |
| 39 | private final DeviceId deviceId; |
| 40 | |
| 41 | private final TimingStatistics timingStatistics; |
| 42 | private final Collection<CpuStatistics> cpuStatistics; |
| 43 | private final Collection<PortStatistics> nicStatistics; |
| 44 | |
| 45 | private DefaultMonitoringStatistics( |
| 46 | DeviceId deviceId, |
| 47 | TimingStatistics timingStatistics, |
| 48 | Collection<CpuStatistics> cpuStatistics, |
| 49 | Collection<PortStatistics> nicStatistics) { |
| 50 | checkNotNull(deviceId, "Device ID is NULL"); |
| 51 | checkNotNull(timingStatistics, "Timing statistics are NULL"); |
| 52 | checkNotNull(cpuStatistics, "CPU statistics are NULL"); |
| 53 | checkNotNull(nicStatistics, "NIC statistics are NULL"); |
| 54 | |
| 55 | this.deviceId = deviceId; |
| 56 | this.timingStatistics = timingStatistics; |
| 57 | this.cpuStatistics = cpuStatistics; |
| 58 | this.nicStatistics = nicStatistics; |
| 59 | } |
| 60 | |
| 61 | // Constructor for serializer |
| 62 | private DefaultMonitoringStatistics() { |
| 63 | this.deviceId = null; |
| 64 | this.timingStatistics = null; |
| 65 | this.cpuStatistics = null; |
| 66 | this.nicStatistics = null; |
| 67 | } |
| 68 | |
| 69 | /** |
| 70 | * Creates a builder for DefaultMonitoringStatistics object. |
| 71 | * |
| 72 | * @return builder object for DefaultMonitoringStatistics object |
| 73 | */ |
| 74 | public static DefaultMonitoringStatistics.Builder builder() { |
| 75 | return new Builder(); |
| 76 | } |
| 77 | |
| 78 | @Override |
| 79 | public TimingStatistics timingStatistics() { |
| 80 | return this.timingStatistics; |
| 81 | } |
| 82 | |
| 83 | @Override |
| 84 | public Collection<CpuStatistics> cpuStatisticsAll() { |
| 85 | return this.cpuStatistics; |
| 86 | } |
| 87 | |
| 88 | @Override |
| 89 | public CpuStatistics cpuStatistics(int cpuId) { |
| 90 | checkArgument( |
| 91 | (cpuId >= 0) && (cpuId < DefaultCpuStatistics.MAX_CPU_NB), |
| 92 | "CPU core ID must be in [0, " + |
| 93 | String.valueOf(DefaultCpuStatistics.MAX_CPU_NB - 1) + "]" |
| 94 | ); |
| 95 | for (CpuStatistics cs : this.cpuStatistics) { |
| 96 | if (cs.id() == cpuId) { |
| 97 | return cs; |
| 98 | } |
| 99 | } |
| 100 | return null; |
| 101 | } |
| 102 | |
| 103 | @Override |
| 104 | public Collection<PortStatistics> nicStatisticsAll() { |
| 105 | return this.nicStatistics; |
| 106 | } |
| 107 | |
| 108 | @Override |
| 109 | public PortStatistics nicStatistics(int nicId) { |
| 110 | checkArgument(nicId >= 0, "NIC ID must be a non-negative integer"); |
| 111 | for (PortStatistics ns : this.nicStatistics) { |
| 112 | if (ns.port() == nicId) { |
| 113 | return ns; |
| 114 | } |
| 115 | } |
| 116 | return null; |
| 117 | } |
| 118 | |
| 119 | @Override |
| 120 | public int numberOfNics() { |
| 121 | return this.nicStatistics.size(); |
| 122 | } |
| 123 | |
| 124 | @Override |
| 125 | public int numberOfCpus() { |
| 126 | return this.cpuStatistics.size(); |
| 127 | } |
| 128 | |
| 129 | @Override |
| 130 | public String toString() { |
| 131 | return MoreObjects.toStringHelper(this) |
| 132 | .omitNullValues() |
| 133 | .add("timingStatistics", timingStatistics()) |
| 134 | .add("cpuStatistics", cpuStatisticsAll()) |
| 135 | .add("nicStatistics", nicStatisticsAll()) |
| 136 | .toString(); |
| 137 | } |
| 138 | |
| 139 | public static final class Builder { |
| 140 | |
| 141 | DeviceId deviceId; |
| 142 | TimingStatistics timingStatistics; |
| 143 | Collection<CpuStatistics> cpuStatistics; |
| 144 | Collection<PortStatistics> nicStatistics; |
| 145 | |
| 146 | private Builder() { |
| 147 | |
| 148 | } |
| 149 | |
| 150 | /** |
| 151 | * Sets the device identifier. |
| 152 | * |
| 153 | * @param deviceId device identifier |
| 154 | * @return builder object |
| 155 | */ |
| 156 | public Builder setDeviceId(DeviceId deviceId) { |
| 157 | this.deviceId = deviceId; |
| 158 | |
| 159 | return this; |
| 160 | } |
| 161 | |
| 162 | /** |
| 163 | * Sets timing statistics. |
| 164 | * |
| 165 | * @param timingStatistics timing statistics |
| 166 | * @return builder object |
| 167 | */ |
| 168 | public Builder setTimingStatistics(TimingStatistics timingStatistics) { |
| 169 | this.timingStatistics = timingStatistics; |
| 170 | |
| 171 | return this; |
| 172 | } |
| 173 | |
| 174 | /** |
| 175 | * Sets CPU statistics. |
| 176 | * |
| 177 | * @param cpuStatistics CPU statistics |
| 178 | * @return builder object |
| 179 | */ |
| 180 | public Builder setCpuStatistics(Collection<CpuStatistics> cpuStatistics) { |
| 181 | this.cpuStatistics = cpuStatistics; |
| 182 | |
| 183 | return this; |
| 184 | } |
| 185 | |
| 186 | /** |
| 187 | * Sets NIC statistics. |
| 188 | * |
| 189 | * @param nicStatistics NIC statistics |
| 190 | * @return builder object |
| 191 | */ |
| 192 | public Builder setNicStatistics(Collection<PortStatistics> nicStatistics) { |
| 193 | this.nicStatistics = nicStatistics; |
| 194 | |
| 195 | return this; |
| 196 | } |
| 197 | |
| 198 | /** |
| 199 | * Creates a MonitoringStatistics object. |
| 200 | * |
| 201 | * @return DefaultMonitoringStatistics object |
| 202 | */ |
| 203 | public DefaultMonitoringStatistics build() { |
| 204 | return new DefaultMonitoringStatistics( |
| 205 | deviceId, |
| 206 | timingStatistics, |
| 207 | cpuStatistics, |
| 208 | nicStatistics |
| 209 | ); |
| 210 | } |
| 211 | |
| 212 | } |
| 213 | |
| 214 | } |