| /* |
| * 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.p4runtime; |
| |
| import com.google.common.collect.Maps; |
| import com.google.common.collect.Sets; |
| import org.onosproject.net.device.DefaultPortStatistics; |
| import org.onosproject.net.device.PortStatistics; |
| import org.onosproject.net.device.PortStatisticsDiscovery; |
| import org.onosproject.net.pi.runtime.PiCounterCellData; |
| import org.onosproject.net.pi.runtime.PiCounterCellId; |
| import org.onosproject.net.pi.runtime.PiCounterId; |
| import org.onosproject.net.pi.runtime.PiIndirectCounterCellId; |
| |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.concurrent.ExecutionException; |
| import java.util.stream.Collectors; |
| |
| import static org.onosproject.net.pi.runtime.PiCounterType.INDIRECT; |
| |
| /** |
| * Implementation of a PortStatisticsBehaviour that can be used for any P4 program based on default.p4 (i.e. those |
| * under onos/tools/test/p4src). |
| */ |
| public class DefaultP4PortStatisticsDiscovery extends AbstractP4RuntimeHandlerBehaviour |
| implements PortStatisticsDiscovery { |
| |
| private static final PiCounterId INGRESS_COUNTER_ID = PiCounterId.of("ingress_port_counter", INDIRECT); |
| private static final PiCounterId EGRESS_COUNTER_ID = PiCounterId.of("egress_port_counter", INDIRECT); |
| |
| @Override |
| public Collection<PortStatistics> discoverPortStatistics() { |
| |
| if (!super.setupBehaviour()) { |
| return Collections.emptyList(); |
| } |
| |
| Map<Long, DefaultPortStatistics.Builder> portStatBuilders = Maps.newHashMap(); |
| |
| deviceService.getPorts(deviceId) |
| .forEach(p -> portStatBuilders.put(p.number().toLong(), |
| DefaultPortStatistics.builder() |
| .setPort(p.number()) |
| .setDeviceId(deviceId))); |
| |
| Set<PiCounterCellId> counterCellIds = Sets.newHashSet(); |
| portStatBuilders.keySet().forEach(p -> { |
| // Counter cell/index = port number. |
| counterCellIds.add(PiIndirectCounterCellId.of(INGRESS_COUNTER_ID, p)); |
| counterCellIds.add(PiIndirectCounterCellId.of(EGRESS_COUNTER_ID, p)); |
| }); |
| |
| Collection<PiCounterCellData> counterEntryResponse; |
| try { |
| counterEntryResponse = client.readCounterCells(counterCellIds, pipeconf).get(); |
| } catch (InterruptedException | ExecutionException e) { |
| log.warn("Exception while reading port counters from {}: {}", deviceId, e.toString()); |
| log.debug("", e); |
| return Collections.emptyList(); |
| } |
| |
| counterEntryResponse.forEach(counterData -> { |
| if (counterData.cellId().type() != INDIRECT) { |
| log.warn("Invalid counter data type {}, skipping", counterData.cellId().type()); |
| return; |
| } |
| PiIndirectCounterCellId indCellId = (PiIndirectCounterCellId) counterData.cellId(); |
| if (!portStatBuilders.containsKey(indCellId.index())) { |
| log.warn("Unrecognized counter index {}, skipping", counterData); |
| return; |
| } |
| DefaultPortStatistics.Builder statsBuilder = portStatBuilders.get(indCellId.index()); |
| if (counterData.cellId().counterId().equals(INGRESS_COUNTER_ID)) { |
| statsBuilder.setPacketsReceived(counterData.packets()); |
| statsBuilder.setBytesReceived(counterData.bytes()); |
| } else if (counterData.cellId().counterId().equals(EGRESS_COUNTER_ID)) { |
| statsBuilder.setPacketsSent(counterData.packets()); |
| statsBuilder.setBytesSent(counterData.bytes()); |
| } else { |
| log.warn("Unrecognized counter ID {}, skipping", counterData); |
| } |
| }); |
| |
| return portStatBuilders |
| .values() |
| .stream() |
| .map(DefaultPortStatistics.Builder::build) |
| .collect(Collectors.toList()); |
| } |
| } |