| /* |
| * Copyright 2018-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.incubator.net.dpi.impl; |
| |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import org.onosproject.incubator.net.dpi.DpiStatInfo; |
| import org.onosproject.incubator.net.dpi.DpiStatistics; |
| import org.onosproject.incubator.net.dpi.DpiStatisticsManagerService; |
| import org.onosproject.incubator.net.dpi.FlowStatInfo; |
| import org.onosproject.incubator.net.dpi.ProtocolStatInfo; |
| import org.onosproject.rest.AbstractWebResource; |
| import org.slf4j.Logger; |
| |
| import javax.ws.rs.Consumes; |
| import javax.ws.rs.GET; |
| import javax.ws.rs.POST; |
| import javax.ws.rs.Path; |
| import javax.ws.rs.Produces; |
| import javax.ws.rs.QueryParam; |
| import javax.ws.rs.core.MediaType; |
| import javax.ws.rs.core.Response; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.Comparator; |
| import java.util.List; |
| import java.util.stream.Collectors; |
| |
| import static org.onlab.util.Tools.readTreeFromStream; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Query the latest DPI statistics info. |
| */ |
| |
| @Path("dpis") |
| public class DpisWebResource extends AbstractWebResource { |
| |
| private final Logger log = getLogger(getClass()); |
| |
| private static final int MAX_TOPN = 100; |
| |
| private final DpiStatisticsManagerService service = get(DpiStatisticsManagerService.class); |
| |
| public static final Comparator<ProtocolStatInfo> PROTOCOL_STAT_INFO_COMPARATOR = |
| new Comparator<ProtocolStatInfo>() { |
| @Override |
| public int compare(ProtocolStatInfo psi1, ProtocolStatInfo psi2) { |
| long delta = psi1.bytes() - psi2.bytes(); |
| return delta == 0 ? 0 : (delta > 0 ? -1 : +1); |
| } |
| }; |
| |
| public static final Comparator<FlowStatInfo> FLOW_STAT_INFO_COMPARATOR = |
| new Comparator<FlowStatInfo>() { |
| @Override |
| public int compare(FlowStatInfo fsi1, FlowStatInfo fsi2) { |
| long delta = fsi1.bytes() - fsi2.bytes(); |
| return delta == 0 ? 0 : (delta > 0 ? -1 : +1); |
| } |
| }; |
| |
| /** |
| * Gets the latest dpi statistics. |
| * |
| * @param topn max size |
| * @return 200 OK with a dpi statistics |
| * @onos.rsModel DpiStatistics |
| */ |
| @GET |
| @Produces(MediaType.APPLICATION_JSON) |
| public Response getDpisLatest(@QueryParam("topn") int topn) { |
| log.debug("getDpisLatest request with topn={}", topn); |
| |
| DpiStatistics ds = service.getDpiStatisticsLatest(); |
| DpiStatistics retDs; |
| |
| if (ds == null) { |
| retDs = new DpiStatistics("", new DpiStatInfo()); |
| } else if (topn <= 0) { |
| retDs = ds; |
| } else { |
| if (topn > MAX_TOPN) { |
| topn = MAX_TOPN; |
| } |
| retDs = new DpiStatistics(ds.receivedTime(), |
| new DpiStatInfo(ds.dpiStatInfo().trafficStatistics())); |
| List<ProtocolStatInfo> psiList = ds.dpiStatInfo().detectedProtos(); |
| if (psiList != null) { |
| // sorts protocol list with descending order based on bytes within topn |
| List<ProtocolStatInfo> psiListSorted = |
| psiList.stream().sorted(PROTOCOL_STAT_INFO_COMPARATOR). |
| limit(topn).collect(Collectors.toList()); |
| retDs.dpiStatInfo().setDetectedProtos(psiListSorted); |
| } |
| List<FlowStatInfo> fsiList = ds.dpiStatInfo().knownFlows(); |
| if (fsiList != null) { |
| // sorts known flow list with descending order based on bytes within topn |
| List<FlowStatInfo> fsiListSorted = |
| fsiList.stream().sorted(FLOW_STAT_INFO_COMPARATOR). |
| limit(topn).collect(Collectors.toList()); |
| retDs.dpiStatInfo().setKnownFlows(fsiListSorted); |
| } |
| fsiList = ds.dpiStatInfo().unknownFlows(); |
| if (fsiList != null) { |
| // sorts unknown flow list with descending order based on bytes within topn |
| List<FlowStatInfo> fsiListSorted = |
| fsiList.stream().sorted(FLOW_STAT_INFO_COMPARATOR). |
| limit(topn).collect(Collectors.toList()); |
| retDs.dpiStatInfo().setUnknownFlows(fsiListSorted); |
| } |
| } |
| |
| ObjectNode result = codec(DpiStatistics.class).encode(retDs, this); |
| return ok(result).build(); |
| |
| } |
| |
| /** |
| * Gets the latest traffic statistics only. |
| * |
| * @return 200 OK with a traffic statistics |
| * @onos.rsModel TrafficStatistics |
| */ |
| @GET |
| @Produces(MediaType.APPLICATION_JSON) |
| @Path("traffic") |
| public Response getTrafficStatistics() { |
| log.debug("getTrafficStatistics request"); |
| |
| DpiStatistics ds = service.getDpiStatisticsLatest(); |
| if (ds == null) { |
| ds = new DpiStatistics("", new DpiStatInfo()); |
| } |
| |
| DpiStatInfo dsi = new DpiStatInfo(); |
| dsi.setTrafficStatistics(ds.dpiStatInfo().trafficStatistics()); |
| DpiStatistics dsTraffic = new DpiStatistics(ds.receivedTime(), dsi); |
| |
| ObjectNode result = codec(DpiStatistics.class).encode(dsTraffic, this); |
| return ok(result).build(); |
| } |
| |
| /** |
| * Gets the latest detected protocol statistics only. |
| * |
| * @param topn max size |
| * @return 200 OK with a protocol statistics |
| * @onos.rsModel ProtocolStatistics |
| */ |
| @GET |
| @Produces(MediaType.APPLICATION_JSON) |
| @Path("protocols") |
| public Response getDetectedProtocols(@QueryParam("topn") int topn) { |
| log.debug("getDetectedProtocols request with topn={}", topn); |
| |
| DpiStatistics ds = service.getDpiStatisticsLatest(); |
| DpiStatistics dsProtocol; |
| |
| if (ds == null) { |
| dsProtocol = new DpiStatistics("", new DpiStatInfo()); |
| } else if (topn <= 0) { |
| DpiStatInfo dsi = new DpiStatInfo(); |
| dsi.setDetectedProtos(ds.dpiStatInfo().detectedProtos()); |
| dsProtocol = new DpiStatistics(ds.receivedTime(), dsi); |
| } else { |
| if (topn > MAX_TOPN) { |
| topn = MAX_TOPN; |
| } |
| dsProtocol = new DpiStatistics(ds.receivedTime(), new DpiStatInfo()); |
| List<ProtocolStatInfo> psiList = ds.dpiStatInfo().detectedProtos(); |
| if (psiList != null) { |
| // sorts protocol list with descending order based on bytes within topn |
| List<ProtocolStatInfo> psiListSorted = |
| psiList.stream().sorted(PROTOCOL_STAT_INFO_COMPARATOR). |
| limit(topn).collect(Collectors.toList()); |
| dsProtocol.dpiStatInfo().setDetectedProtos(psiListSorted); |
| } |
| } |
| |
| ObjectNode result = codec(DpiStatistics.class).encode(dsProtocol, this); |
| return ok(result).build(); |
| } |
| |
| /** |
| * Gets the latest known flows statistics only. |
| * |
| * @param topn max size |
| * @return 200 OK with a known flow statistics |
| * @onos.rsModel KnownFlowStatistics |
| */ |
| @GET |
| @Produces(MediaType.APPLICATION_JSON) |
| @Path("knownFlows") |
| public Response getKnownFlows(@QueryParam("topn") int topn) { |
| log.debug("getKnownFlows request with topn={}", topn); |
| |
| DpiStatistics ds = service.getDpiStatisticsLatest(); |
| DpiStatistics dsKnownFlows; |
| |
| if (ds == null) { |
| dsKnownFlows = new DpiStatistics("", new DpiStatInfo()); |
| } else if (topn <= 0) { |
| DpiStatInfo dsi = new DpiStatInfo(); |
| dsi.setKnownFlows(ds.dpiStatInfo().knownFlows()); |
| dsKnownFlows = new DpiStatistics(ds.receivedTime(), dsi); |
| } else { |
| if (topn > MAX_TOPN) { |
| topn = MAX_TOPN; |
| } |
| dsKnownFlows = new DpiStatistics(ds.receivedTime(), new DpiStatInfo()); |
| List<FlowStatInfo> fsiList = ds.dpiStatInfo().knownFlows(); |
| if (fsiList != null) { |
| // sorts known flow list with descending order based on bytes within topn |
| List<FlowStatInfo> fsiListSorted = |
| fsiList.stream().sorted(FLOW_STAT_INFO_COMPARATOR). |
| limit(topn).collect(Collectors.toList()); |
| dsKnownFlows.dpiStatInfo().setKnownFlows(fsiListSorted); |
| } |
| } |
| |
| ObjectNode result = codec(DpiStatistics.class).encode(dsKnownFlows, this); |
| return ok(result).build(); |
| } |
| |
| /** |
| * Gets the latest unknown flows statistics only. |
| * |
| * @param topn max size |
| * @return 200 OK with an unknown flow statistics |
| * @onos.rsModel UnknownFlowStatistics |
| */ |
| @GET |
| @Produces(MediaType.APPLICATION_JSON) |
| @Path("unknownFlows") |
| public Response getUnknownFlows(@QueryParam("topn") int topn) { |
| log.debug("getUnknownFlows request with topn={}", topn); |
| |
| DpiStatistics ds = service.getDpiStatisticsLatest(); |
| DpiStatistics dsUnknownFlows; |
| |
| if (ds == null) { |
| dsUnknownFlows = new DpiStatistics("", new DpiStatInfo()); |
| } else if (topn <= 0) { |
| DpiStatInfo dsi = new DpiStatInfo(); |
| dsi.setUnknownFlows(ds.dpiStatInfo().unknownFlows()); |
| dsUnknownFlows = new DpiStatistics(ds.receivedTime(), dsi); |
| } else { |
| if (topn > 100) { |
| topn = 100; |
| } |
| dsUnknownFlows = new DpiStatistics(ds.receivedTime(), new DpiStatInfo()); |
| List<FlowStatInfo> fsiList = ds.dpiStatInfo().unknownFlows(); |
| if (fsiList != null) { |
| // sorts unknown flow list with descending order based on bytes within topn |
| List<FlowStatInfo> fsiListSorted = |
| fsiList.stream().sorted(FLOW_STAT_INFO_COMPARATOR). |
| limit(topn).collect(Collectors.toList()); |
| dsUnknownFlows.dpiStatInfo().setUnknownFlows(fsiListSorted); |
| } |
| } |
| |
| ObjectNode result = codec(DpiStatistics.class).encode(dsUnknownFlows, this); |
| return ok(result).build(); |
| } |
| |
| /** |
| * Add new dpi statistics entry at the end of list. |
| * |
| * @param stream dpi statistics JSON |
| * @return status of the request - CREATED if the JSON is correct, |
| * BAD_REQUEST if the JSON is invalid |
| * @onos.rsModel DpiStatisticsPost |
| */ |
| @POST |
| @Consumes(MediaType.APPLICATION_JSON) |
| @Produces(MediaType.APPLICATION_JSON) |
| public Response addDpiStatistics(InputStream stream) { |
| ObjectNode result; |
| |
| try { |
| ObjectNode jsonTree = readTreeFromStream(mapper(), stream); |
| log.debug("jsonTree={}", jsonTree); |
| |
| DpiStatistics ds = codec(DpiStatistics.class).decode(jsonTree, this); |
| if (ds == null) { |
| log.error("Wrong DpiStatistics json format error"); |
| } |
| |
| // TODO: check the validity of dpi statistics values, specially receivedTime format |
| DpiStatistics added = service.addDpiStatistics(ds); |
| |
| result = codec(DpiStatistics.class).encode(added, this); |
| } catch (IOException ex) { |
| throw new IllegalArgumentException(ex); |
| } |
| return ok(result).build(); |
| } |
| } |