Thomas Vachuska | b4d3ff7 | 2015-12-01 09:53:51 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2014,2015 Open Networking Laboratory |
| 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 | package org.onosproject.pathpainter; |
| 17 | |
| 18 | import com.fasterxml.jackson.databind.node.ObjectNode; |
| 19 | import com.google.common.collect.ImmutableList; |
| 20 | import com.google.common.collect.ImmutableSet; |
Andrea Campanella | 8583e6b | 2015-12-01 21:24:45 -0800 | [diff] [blame] | 21 | import com.google.common.collect.Sets; |
Thomas Vachuska | b4d3ff7 | 2015-12-01 09:53:51 -0800 | [diff] [blame] | 22 | import org.onlab.osgi.ServiceDirectory; |
| 23 | import org.onosproject.net.DeviceId; |
Thomas Vachuska | 08bef15 | 2015-12-02 17:08:59 -0800 | [diff] [blame] | 24 | import org.onosproject.net.DisjointPath; |
Thomas Vachuska | b4d3ff7 | 2015-12-01 09:53:51 -0800 | [diff] [blame] | 25 | import org.onosproject.net.ElementId; |
| 26 | import org.onosproject.net.HostId; |
| 27 | import org.onosproject.net.Link; |
| 28 | import org.onosproject.net.Path; |
| 29 | import org.onosproject.net.topology.PathService; |
| 30 | import org.onosproject.ui.RequestHandler; |
| 31 | import org.onosproject.ui.UiConnection; |
| 32 | import org.onosproject.ui.UiMessageHandler; |
Andrea Campanella | 490e839 | 2015-12-03 12:18:11 -0800 | [diff] [blame] | 33 | import org.onosproject.ui.topo.DeviceHighlight; |
Thomas Vachuska | b4d3ff7 | 2015-12-01 09:53:51 -0800 | [diff] [blame] | 34 | import org.onosproject.ui.topo.Highlights; |
Andrea Campanella | 490e839 | 2015-12-03 12:18:11 -0800 | [diff] [blame] | 35 | import org.onosproject.ui.topo.HostHighlight; |
| 36 | import org.onosproject.ui.topo.NodeBadge; |
Thomas Vachuska | b4d3ff7 | 2015-12-01 09:53:51 -0800 | [diff] [blame] | 37 | import org.onosproject.ui.topo.TopoJson; |
| 38 | import org.slf4j.Logger; |
| 39 | import org.slf4j.LoggerFactory; |
| 40 | |
| 41 | import java.util.Collection; |
| 42 | import java.util.List; |
| 43 | import java.util.Set; |
| 44 | |
| 45 | /** |
| 46 | * Skeletal ONOS UI Topology-Overlay message handler. |
| 47 | */ |
| 48 | public class PathPainterTopovMessageHandler extends UiMessageHandler { |
| 49 | |
| 50 | private static final String PAINTER_SET_SRC = "ppTopovSetSrc"; |
| 51 | private static final String PAINTER_SET_DST = "ppTopovSetDst"; |
| 52 | private static final String PAINTER_SWAP_SRC_DST = "ppTopovSwapSrcDst"; |
| 53 | private static final String PAINTER_SET_MODE = "ppTopovSetMode"; |
| 54 | |
| 55 | private static final String PAINTER_NEXT_PATH = "ppTopovNextPath"; |
| 56 | private static final String PAINTER_PREV_PATH = "ppTopovPrevPath"; |
| 57 | |
| 58 | private static final String ID = "id"; |
| 59 | private static final String MODE = "mode"; |
Andrea Campanella | 490e839 | 2015-12-03 12:18:11 -0800 | [diff] [blame] | 60 | private static final String TYPE = "type"; |
| 61 | private static final String SWITCH = "switch"; |
| 62 | private static final String ENDSTATION = "endstation"; |
| 63 | public static final String DST = "Dst"; |
| 64 | public static final String SRC = "Src"; |
Thomas Vachuska | b4d3ff7 | 2015-12-01 09:53:51 -0800 | [diff] [blame] | 65 | |
| 66 | private Set<Link> allPathLinks; |
| 67 | |
| 68 | private enum Mode { |
| 69 | SHORTEST, DISJOINT, SRLG |
| 70 | } |
| 71 | |
| 72 | private final Logger log = LoggerFactory.getLogger(getClass()); |
| 73 | |
| 74 | private PathService pathService; |
| 75 | |
Thomas Vachuska | b4d3ff7 | 2015-12-01 09:53:51 -0800 | [diff] [blame] | 76 | private ElementId src, dst; |
Andrea Campanella | 490e839 | 2015-12-03 12:18:11 -0800 | [diff] [blame] | 77 | private String srcType, dstType; |
Andrea Campanella | 8583e6b | 2015-12-01 21:24:45 -0800 | [diff] [blame] | 78 | private Mode currentMode = Mode.SHORTEST; |
Thomas Vachuska | b4d3ff7 | 2015-12-01 09:53:51 -0800 | [diff] [blame] | 79 | private List<Path> paths; |
| 80 | private int pathIndex; |
| 81 | |
| 82 | |
| 83 | // ===============-=-=-=-=-=-======================-=-=-=-=-=-=-================================ |
| 84 | |
| 85 | |
| 86 | @Override |
| 87 | public void init(UiConnection connection, ServiceDirectory directory) { |
| 88 | super.init(connection, directory); |
| 89 | pathService = directory.get(PathService.class); |
| 90 | } |
| 91 | |
| 92 | @Override |
| 93 | protected Collection<RequestHandler> createRequestHandlers() { |
| 94 | return ImmutableSet.of( |
| 95 | new SetSrcHandler(), |
| 96 | new SetDstHandler(), |
Andrea Campanella | 0c17a0a | 2015-12-01 09:53:51 -0800 | [diff] [blame] | 97 | new SwapSrcDstHandler(), |
Thomas Vachuska | b4d3ff7 | 2015-12-01 09:53:51 -0800 | [diff] [blame] | 98 | new NextPathHandler(), |
Andrea Campanella | 8583e6b | 2015-12-01 21:24:45 -0800 | [diff] [blame] | 99 | new PrevPathHandler(), |
| 100 | new SetModeHandler() |
Thomas Vachuska | b4d3ff7 | 2015-12-01 09:53:51 -0800 | [diff] [blame] | 101 | ); |
| 102 | } |
| 103 | |
| 104 | // === ------------------------- |
| 105 | // === Handler classes |
| 106 | |
| 107 | private final class SetSrcHandler extends RequestHandler { |
Andrea Campanella | 490e839 | 2015-12-03 12:18:11 -0800 | [diff] [blame] | 108 | |
Thomas Vachuska | b4d3ff7 | 2015-12-01 09:53:51 -0800 | [diff] [blame] | 109 | public SetSrcHandler() { |
| 110 | super(PAINTER_SET_SRC); |
| 111 | } |
| 112 | |
| 113 | @Override |
| 114 | public void process(long sid, ObjectNode payload) { |
| 115 | String id = string(payload, ID); |
| 116 | src = elementId(id); |
Andrea Campanella | 490e839 | 2015-12-03 12:18:11 -0800 | [diff] [blame] | 117 | srcType = string(payload, TYPE); |
Thomas Vachuska | b4d3ff7 | 2015-12-01 09:53:51 -0800 | [diff] [blame] | 118 | if (src.equals(dst)) { |
| 119 | dst = null; |
| 120 | } |
Andrea Campanella | 490e839 | 2015-12-03 12:18:11 -0800 | [diff] [blame] | 121 | sendMessage(TopoJson.highlightsMessage(addBadge(new Highlights(), |
| 122 | srcType, |
| 123 | src.toString(), |
| 124 | SRC))); |
| 125 | findAndSendPaths(currentMode); |
Thomas Vachuska | b4d3ff7 | 2015-12-01 09:53:51 -0800 | [diff] [blame] | 126 | } |
| 127 | } |
| 128 | |
| 129 | private final class SetDstHandler extends RequestHandler { |
| 130 | public SetDstHandler() { |
| 131 | super(PAINTER_SET_DST); |
| 132 | } |
| 133 | |
| 134 | @Override |
| 135 | public void process(long sid, ObjectNode payload) { |
| 136 | String id = string(payload, ID); |
| 137 | dst = elementId(id); |
Andrea Campanella | 490e839 | 2015-12-03 12:18:11 -0800 | [diff] [blame] | 138 | dstType = string(payload, TYPE); |
Thomas Vachuska | b4d3ff7 | 2015-12-01 09:53:51 -0800 | [diff] [blame] | 139 | if (src.equals(dst)) { |
| 140 | src = null; |
| 141 | } |
Andrea Campanella | 490e839 | 2015-12-03 12:18:11 -0800 | [diff] [blame] | 142 | |
| 143 | sendMessage(TopoJson.highlightsMessage(addBadge(new Highlights(), |
| 144 | dstType, |
| 145 | dst.toString(), |
| 146 | DST))); |
| 147 | findAndSendPaths(currentMode); |
Thomas Vachuska | b4d3ff7 | 2015-12-01 09:53:51 -0800 | [diff] [blame] | 148 | } |
| 149 | } |
| 150 | |
Andrea Campanella | 0c17a0a | 2015-12-01 09:53:51 -0800 | [diff] [blame] | 151 | private final class SwapSrcDstHandler extends RequestHandler { |
| 152 | public SwapSrcDstHandler() { |
| 153 | super(PAINTER_SWAP_SRC_DST); |
| 154 | } |
| 155 | |
| 156 | @Override |
| 157 | public void process(long sid, ObjectNode payload) { |
| 158 | ElementId temp = src; |
| 159 | src = dst; |
| 160 | dst = temp; |
Andrea Campanella | 490e839 | 2015-12-03 12:18:11 -0800 | [diff] [blame] | 161 | String s = srcType; |
| 162 | srcType = dstType; |
| 163 | dstType = s; |
| 164 | findAndSendPaths(currentMode); |
Andrea Campanella | 0c17a0a | 2015-12-01 09:53:51 -0800 | [diff] [blame] | 165 | } |
| 166 | } |
| 167 | |
Thomas Vachuska | b4d3ff7 | 2015-12-01 09:53:51 -0800 | [diff] [blame] | 168 | private final class NextPathHandler extends RequestHandler { |
| 169 | public NextPathHandler() { |
| 170 | super(PAINTER_NEXT_PATH); |
| 171 | } |
| 172 | |
| 173 | @Override |
| 174 | public void process(long sid, ObjectNode payload) { |
| 175 | pathIndex = (pathIndex >= paths.size() - 1 ? 0 : pathIndex + 1); |
| 176 | hilightAndSendPaths(); |
| 177 | } |
| 178 | } |
| 179 | |
| 180 | private final class PrevPathHandler extends RequestHandler { |
| 181 | public PrevPathHandler() { |
| 182 | super(PAINTER_PREV_PATH); |
| 183 | } |
| 184 | |
| 185 | @Override |
| 186 | public void process(long sid, ObjectNode payload) { |
| 187 | pathIndex = (pathIndex <= 0 ? paths.size() - 1 : pathIndex - 1); |
| 188 | hilightAndSendPaths(); |
| 189 | } |
| 190 | } |
| 191 | |
Andrea Campanella | 8583e6b | 2015-12-01 21:24:45 -0800 | [diff] [blame] | 192 | private final class SetModeHandler extends RequestHandler { |
| 193 | public SetModeHandler() { |
| 194 | super(PAINTER_SET_MODE); |
| 195 | } |
| 196 | |
| 197 | @Override |
| 198 | public void process(long sid, ObjectNode payload) { |
| 199 | String mode = string(payload, MODE); |
| 200 | currentMode = (mode.equals("shortest") ? |
| 201 | Mode.SHORTEST : (mode.equals("disjoint") ? |
| 202 | Mode.DISJOINT : Mode.SRLG)); |
| 203 | //TODO: add support for SRLG |
Andrea Campanella | 490e839 | 2015-12-03 12:18:11 -0800 | [diff] [blame] | 204 | findAndSendPaths(currentMode); |
Andrea Campanella | 8583e6b | 2015-12-01 21:24:45 -0800 | [diff] [blame] | 205 | } |
| 206 | } |
| 207 | |
Thomas Vachuska | b4d3ff7 | 2015-12-01 09:53:51 -0800 | [diff] [blame] | 208 | // === ------------ |
| 209 | |
| 210 | private ElementId elementId(String id) { |
| 211 | try { |
| 212 | return DeviceId.deviceId(id); |
| 213 | } catch (IllegalArgumentException e) { |
| 214 | return HostId.hostId(id); |
| 215 | } |
| 216 | } |
| 217 | |
Andrea Campanella | 490e839 | 2015-12-03 12:18:11 -0800 | [diff] [blame] | 218 | private void findAndSendPaths(Mode mode) { |
Andrea Campanella | 8583e6b | 2015-12-01 21:24:45 -0800 | [diff] [blame] | 219 | log.info("src={}; dst={}; mode={}", src, dst, currentMode); |
| 220 | if (src != null && dst != null) { |
Andrea Campanella | 8583e6b | 2015-12-01 21:24:45 -0800 | [diff] [blame] | 221 | pathIndex = 0; |
Andrea Campanella | 8583e6b | 2015-12-01 21:24:45 -0800 | [diff] [blame] | 222 | ImmutableSet.Builder<Link> builder = ImmutableSet.builder(); |
Andrea Campanella | 490e839 | 2015-12-03 12:18:11 -0800 | [diff] [blame] | 223 | if (mode.equals(Mode.SHORTEST)) { |
| 224 | paths = ImmutableList.copyOf(pathService.getPaths(src, dst)); |
| 225 | allPathLinks = buildPaths(builder).build(); |
| 226 | } else if (mode.equals(Mode.DISJOINT)) { |
| 227 | paths = ImmutableList.copyOf(pathService.getDisjointPaths(src, dst)); |
| 228 | allPathLinks = buildDisjointPaths(builder).build(); |
| 229 | } else { |
| 230 | log.info("Unsupported MODE"); |
| 231 | } |
Andrea Campanella | 8583e6b | 2015-12-01 21:24:45 -0800 | [diff] [blame] | 232 | } else { |
| 233 | paths = ImmutableList.of(); |
| 234 | allPathLinks = ImmutableSet.of(); |
| 235 | } |
| 236 | hilightAndSendPaths(); |
Andrea Campanella | 490e839 | 2015-12-03 12:18:11 -0800 | [diff] [blame] | 237 | |
| 238 | } |
| 239 | |
| 240 | private ImmutableSet.Builder<Link> buildPaths(ImmutableSet.Builder<Link> pathBuilder) { |
| 241 | paths.forEach(path -> path.links().forEach(pathBuilder::add)); |
| 242 | return pathBuilder; |
| 243 | } |
| 244 | |
| 245 | private ImmutableSet.Builder<Link> buildDisjointPaths(ImmutableSet.Builder<Link> pathBuilder) { |
| 246 | paths.forEach(path -> { |
| 247 | DisjointPath dp = (DisjointPath) path; |
| 248 | pathBuilder.addAll(dp.primary().links()); |
| 249 | pathBuilder.addAll(dp.backup().links()); |
| 250 | }); |
| 251 | return pathBuilder; |
Andrea Campanella | 8583e6b | 2015-12-01 21:24:45 -0800 | [diff] [blame] | 252 | } |
| 253 | |
Thomas Vachuska | b4d3ff7 | 2015-12-01 09:53:51 -0800 | [diff] [blame] | 254 | private void hilightAndSendPaths() { |
| 255 | PathLinkMap linkMap = new PathLinkMap(); |
| 256 | allPathLinks.forEach(linkMap::add); |
| 257 | |
Thomas Vachuska | 08bef15 | 2015-12-02 17:08:59 -0800 | [diff] [blame] | 258 | Set<Link> selectedPathLinks; |
| 259 | |
Thomas Vachuska | b4d3ff7 | 2015-12-01 09:53:51 -0800 | [diff] [blame] | 260 | // Prepare two working sets; one containing selected path links and |
| 261 | // the other containing all paths links. |
Andrea Campanella | 8583e6b | 2015-12-01 21:24:45 -0800 | [diff] [blame] | 262 | if (currentMode.equals(Mode.DISJOINT)) { |
Andrea Campanella | 490e839 | 2015-12-03 12:18:11 -0800 | [diff] [blame] | 263 | DisjointPath dp = (DisjointPath) paths.get(pathIndex); |
Andrea Campanella | 8583e6b | 2015-12-01 21:24:45 -0800 | [diff] [blame] | 264 | selectedPathLinks = paths.isEmpty() ? |
Andrea Campanella | 490e839 | 2015-12-03 12:18:11 -0800 | [diff] [blame] | 265 | ImmutableSet.of() : Sets.newHashSet(dp.primary().links()); |
Thomas Vachuska | 08bef15 | 2015-12-02 17:08:59 -0800 | [diff] [blame] | 266 | selectedPathLinks.addAll(dp.backup().links()); |
Andrea Campanella | 8583e6b | 2015-12-01 21:24:45 -0800 | [diff] [blame] | 267 | } else { |
| 268 | selectedPathLinks = paths.isEmpty() ? |
Thomas Vachuska | 08bef15 | 2015-12-02 17:08:59 -0800 | [diff] [blame] | 269 | ImmutableSet.of() : ImmutableSet.copyOf(paths.get(pathIndex).links()); |
Andrea Campanella | 8583e6b | 2015-12-01 21:24:45 -0800 | [diff] [blame] | 270 | } |
Thomas Vachuska | b4d3ff7 | 2015-12-01 09:53:51 -0800 | [diff] [blame] | 271 | Highlights highlights = new Highlights(); |
| 272 | for (PathLink plink : linkMap.biLinks()) { |
| 273 | plink.computeHilight(selectedPathLinks, allPathLinks); |
| 274 | highlights.add(plink.highlight(null)); |
| 275 | } |
Andrea Campanella | 490e839 | 2015-12-03 12:18:11 -0800 | [diff] [blame] | 276 | if (src != null) { |
| 277 | highlights = addBadge(highlights, srcType, src.toString(), SRC); |
| 278 | } |
| 279 | if (dst != null) { |
| 280 | highlights = addBadge(highlights, dstType, dst.toString(), DST); |
| 281 | } |
Thomas Vachuska | b4d3ff7 | 2015-12-01 09:53:51 -0800 | [diff] [blame] | 282 | sendMessage(TopoJson.highlightsMessage(highlights)); |
| 283 | } |
| 284 | |
Andrea Campanella | 490e839 | 2015-12-03 12:18:11 -0800 | [diff] [blame] | 285 | private Highlights addBadge(Highlights highlights, String type, String elemId, String src) { |
| 286 | if (SWITCH.equals(type)) { |
| 287 | highlights = addDeviceBadge(highlights, elemId, src); |
| 288 | } else if (ENDSTATION.equals(type)) { |
| 289 | highlights = addHostBadge(highlights, elemId, src); |
| 290 | } |
| 291 | return highlights; |
Thomas Vachuska | b4d3ff7 | 2015-12-01 09:53:51 -0800 | [diff] [blame] | 292 | } |
| 293 | |
Andrea Campanella | 490e839 | 2015-12-03 12:18:11 -0800 | [diff] [blame] | 294 | private Highlights addDeviceBadge(Highlights h, String elemId, String type) { |
| 295 | DeviceHighlight dh = new DeviceHighlight(elemId); |
| 296 | dh.setBadge(createBadge(type)); |
| 297 | h.add(dh); |
| 298 | return h; |
Thomas Vachuska | b4d3ff7 | 2015-12-01 09:53:51 -0800 | [diff] [blame] | 299 | } |
Andrea Campanella | 490e839 | 2015-12-03 12:18:11 -0800 | [diff] [blame] | 300 | |
| 301 | private Highlights addHostBadge(Highlights h, String elemId, String type) { |
| 302 | HostHighlight hh = new HostHighlight(elemId); |
| 303 | hh.setBadge(createBadge(type)); |
| 304 | h.add(hh); |
| 305 | return h; |
| 306 | } |
| 307 | |
| 308 | private NodeBadge createBadge(String type) { |
| 309 | return NodeBadge.text(type); |
| 310 | } |
Thomas Vachuska | b4d3ff7 | 2015-12-01 09:53:51 -0800 | [diff] [blame] | 311 | |
| 312 | } |