| /* |
| * Copyright 2015-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.ovsdb.controller.driver; |
| |
| |
| import org.onosproject.net.behaviour.DeviceCpuStats; |
| import org.onosproject.net.behaviour.DeviceMemoryStats; |
| import org.onosproject.ovsdb.controller.OvsdbClientService; |
| import org.onosproject.ovsdb.rfc.table.CpuMemoryData; |
| import org.onosproject.ovsdb.rfc.table.OvsdbTable; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.Optional; |
| |
| import static org.onosproject.ovsdb.controller.OvsdbConstant.*; |
| import static org.onosproject.ovsdb.controller.OvsdbConstant.SWINVENTORY_DBNAME; |
| |
| /** |
| * A representation of an ovsdb client for Pica device. |
| */ |
| public final class PicaOvsdbClient { |
| |
| private final Logger log = LoggerFactory.getLogger(DefaultOvsdbClient.class); |
| |
| private OvsdbClientService ovsdbClientService; |
| |
| /** |
| * Creates an OvsdbClient for pica device. |
| * |
| * @param ovsdbClient default ovsdb client |
| */ |
| public PicaOvsdbClient(OvsdbClientService ovsdbClient) { |
| this.ovsdbClientService = ovsdbClient; |
| } |
| |
| /** |
| * Get memory usage of pica device. |
| * |
| * @return memoryStats, memory usage statistics if present |
| */ |
| public Optional<DeviceMemoryStats> getDeviceMemoryUsage() { |
| |
| Optional<Object> deviceMemoryDataObject = ovsdbClientService.getFirstRow( |
| SWINVENTORY_DBNAME, OvsdbTable.CPUMEMORYDATA); |
| |
| if (!deviceMemoryDataObject.isPresent()) { |
| log.debug("Could not find {} column in {} table", DEVICE_MEMORY, CPU_MEMORY_DATA); |
| return Optional.empty(); |
| } |
| CpuMemoryData deviceMemoryData = (CpuMemoryData) deviceMemoryDataObject.get(); |
| |
| long totalMem = deviceMemoryData.getTotalMemoryStats(); |
| long usedMem = deviceMemoryData.getUsedMemoryStats(); |
| long freeMem = deviceMemoryData.getFreeMemoryStats(); |
| |
| DeviceMemoryStats deviceMemoryStats = new DeviceMemoryStats(); |
| deviceMemoryStats.setFree(freeMem); |
| deviceMemoryStats.setUsed(usedMem); |
| deviceMemoryStats.setTotal(totalMem); |
| |
| return Optional.of(deviceMemoryStats); |
| } |
| |
| /** |
| * Get cpu usage of pica device. |
| * |
| * @return cpuStats, cpu usage statistics if present |
| */ |
| public Optional<DeviceCpuStats> getDeviceCpuUsage() { |
| |
| Optional<Object> deviceCpuDataObject = ovsdbClientService.getFirstRow( |
| SWINVENTORY_DBNAME, OvsdbTable.CPUMEMORYDATA); |
| |
| if (!deviceCpuDataObject.isPresent()) { |
| log.debug("Could not find {} column in {} table", DEVICE_CPU, CPU_MEMORY_DATA); |
| return Optional.empty(); |
| } |
| CpuMemoryData deviceCpuData = (CpuMemoryData) deviceCpuDataObject.get(); |
| |
| log.debug("GOT CpuMemoryData as {} ", deviceCpuData); |
| |
| float freeCpuStat = deviceCpuData.getFreeCpuStats(); |
| DeviceCpuStats deviceCpuStats = new DeviceCpuStats(); |
| deviceCpuStats.setUsed(100.0f - freeCpuStat); |
| return Optional.of(deviceCpuStats); |
| } |
| } |