| /* |
| * 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.ui.impl.topo; |
| |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import com.google.common.collect.ImmutableSet; |
| import org.onlab.osgi.ServiceDirectory; |
| import org.onosproject.ui.RequestHandler; |
| import org.onosproject.ui.UiConnection; |
| import org.onosproject.ui.UiMessageHandler; |
| import org.onosproject.ui.impl.TrafficMonitorBase.Mode; |
| import org.onosproject.ui.impl.UiWebSocket; |
| import org.onosproject.ui.impl.topo.util.ServicesBundle; |
| import org.onosproject.ui.model.topo.UiLinkId; |
| import org.onosproject.ui.model.topo.UiSynthLink; |
| import org.onosproject.ui.topo.Highlights; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.Collection; |
| import java.util.Map; |
| |
| import static org.onosproject.ui.topo.TopoJson.topo2HighlightsMessage; |
| |
| /** |
| * Server-side component to handle messages pertaining to topo-2 traffic. |
| */ |
| public class Topo2TrafficMessageHandler extends UiMessageHandler { |
| |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| // === Inbound event identifiers |
| private static final String REQUEST_ALL_TRAFFIC = "topo2RequestAllTraffic"; |
| private static final String CANCEL_TRAFFIC = "topo2CancelTraffic"; |
| |
| // field values |
| private static final String TRAFFIC_TYPE = "trafficType"; |
| private static final String FLOW_STATS_BYTES = "flowStatsBytes"; |
| private static final String PORT_STATS_BIT_SEC = "portStatsBitSec"; |
| private static final String PORT_STATS_PKT_SEC = "portStatsPktSec"; |
| |
| // configuration parameters |
| private static final long TRAFFIC_PERIOD = 5000; |
| |
| protected ServicesBundle services; |
| |
| private UiTopoSession topoSession; |
| private Traffic2Monitor traffic; |
| |
| |
| @Override |
| public void init(UiConnection connection, ServiceDirectory directory) { |
| super.init(connection, directory); |
| |
| services = new ServicesBundle(directory); |
| traffic = new Traffic2Monitor(TRAFFIC_PERIOD, services, this); |
| topoSession = ((UiWebSocket) connection).topoSession(); |
| } |
| |
| @Override |
| protected Collection<RequestHandler> createRequestHandlers() { |
| return ImmutableSet.of( |
| new Topo2AllTraffic(), |
| new Topo2CancelTraffic() |
| ); |
| } |
| |
| /** |
| * Shuts down the background traffic monitoring task. |
| */ |
| void ceaseAndDesist() { |
| traffic.stopMonitoring(); |
| } |
| |
| /** |
| * Sends a highlights message back to the client. |
| * |
| * @param highlights the highlights for transmission |
| */ |
| void sendHighlights(Highlights highlights) { |
| sendMessage(topo2HighlightsMessage(highlights)); |
| } |
| |
| /** |
| * Asks the topo session for the relevant synth links for current region. |
| * The returned map is keyed by "original" link. |
| * |
| * @return synth link map |
| */ |
| Map<UiLinkId, UiSynthLink> retrieveRelevantSynthLinks() { |
| return topoSession.relevantSynthLinks(); |
| } |
| |
| // ================================================================== |
| |
| private final class Topo2AllTraffic extends RequestHandler { |
| |
| private Topo2AllTraffic() { |
| super(REQUEST_ALL_TRAFFIC); |
| } |
| |
| @Override |
| public void process(ObjectNode payload) { |
| String mode = string(payload, TRAFFIC_TYPE); |
| log.debug("SHOW TRAFFIC: {}", mode); |
| |
| switch (mode) { |
| case FLOW_STATS_BYTES: |
| traffic.monitor(Mode.ALL_FLOW_TRAFFIC_BYTES); |
| break; |
| |
| case PORT_STATS_BIT_SEC: |
| traffic.monitor(Mode.ALL_PORT_TRAFFIC_BIT_PS); |
| break; |
| |
| case PORT_STATS_PKT_SEC: |
| traffic.monitor(Mode.ALL_PORT_TRAFFIC_PKT_PS); |
| break; |
| |
| default: |
| log.warn("Unknown traffic monitor type: " + mode); |
| break; |
| } |
| } |
| } |
| |
| private final class Topo2CancelTraffic extends RequestHandler { |
| private Topo2CancelTraffic() { |
| super(CANCEL_TRAFFIC); |
| } |
| |
| @Override |
| public void process(ObjectNode payload) { |
| log.debug("CANCEL TRAFFIC"); |
| traffic.stopMonitoring(); |
| } |
| } |
| } |
| |
| |