diff options
author | Ashlee Young <ashlee@onosfw.com> | 2015-09-09 22:15:21 -0700 |
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committer | Ashlee Young <ashlee@onosfw.com> | 2015-09-09 22:15:21 -0700 |
commit | 13d05bc8458758ee39cb829098241e89616717ee (patch) | |
tree | 22a4d1ce65f15952f07a3df5af4b462b4697cb3a /framework/src/onos/web/gui/src/main/java/org/onosproject/ui/impl/topo/TrafficLink.java | |
parent | 6139282e1e93c2322076de4b91b1c85d0bc4a8b3 (diff) |
ONOS checkin based on commit tag e796610b1f721d02f9b0e213cf6f7790c10ecd60
Change-Id: Ife8810491034fe7becdba75dda20de4267bd15cd
Diffstat (limited to 'framework/src/onos/web/gui/src/main/java/org/onosproject/ui/impl/topo/TrafficLink.java')
-rw-r--r-- | framework/src/onos/web/gui/src/main/java/org/onosproject/ui/impl/topo/TrafficLink.java | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/framework/src/onos/web/gui/src/main/java/org/onosproject/ui/impl/topo/TrafficLink.java b/framework/src/onos/web/gui/src/main/java/org/onosproject/ui/impl/topo/TrafficLink.java new file mode 100644 index 00000000..a0e16620 --- /dev/null +++ b/framework/src/onos/web/gui/src/main/java/org/onosproject/ui/impl/topo/TrafficLink.java @@ -0,0 +1,223 @@ +/* + * Copyright 2015 Open Networking Laboratory + * + * 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 org.onosproject.net.Link; +import org.onosproject.net.LinkKey; +import org.onosproject.net.statistic.Load; +import org.onosproject.ui.topo.BiLink; +import org.onosproject.ui.topo.LinkHighlight; +import org.onosproject.ui.topo.LinkHighlight.Flavor; +import org.onosproject.ui.topo.TopoUtils; + +import static org.onosproject.ui.topo.LinkHighlight.Flavor.NO_HIGHLIGHT; +import static org.onosproject.ui.topo.LinkHighlight.Flavor.PRIMARY_HIGHLIGHT; +import static org.onosproject.ui.topo.LinkHighlight.Flavor.SECONDARY_HIGHLIGHT; + +/** + * Representation of a link and its inverse, and associated traffic data. + * This class understands how to generate the appropriate + * {@link LinkHighlight}s for showing traffic data on the topology view. + */ +public class TrafficLink extends BiLink { + + private static final String EMPTY = ""; + private static final String QUE = "?"; + + private long bytes = 0; + private long rate = 0; + private long flows = 0; + private Flavor taggedFlavor = NO_HIGHLIGHT; + private boolean hasTraffic = false; + private boolean isOptical = false; + private boolean antMarch = false; + + /** + * Constructs a traffic link for the given key and initial link. + * + * @param key canonical key for this traffic link + * @param link first link + */ + public TrafficLink(LinkKey key, Link link) { + super(key, link); + } + + /** + * Sets the optical flag to the given value. + * + * @param b true if an optical link + * @return self, for chaining + */ + public TrafficLink optical(boolean b) { + isOptical = b; + return this; + } + + /** + * Sets the ant march flag to the given value. + * + * @param b true if marching ants required + * @return self, for chaining + */ + public TrafficLink antMarch(boolean b) { + antMarch = b; + return this; + } + + /** + * Tags this traffic link with the flavor to be used in visual rendering. + * + * @param flavor the flavor to tag + * @return self, for chaining + */ + public TrafficLink tagFlavor(Flavor flavor) { + this.taggedFlavor = flavor; + return this; + } + + /** + * Adds load statistics, marks the traffic link as having traffic. + * + * @param load load to add + */ + public void addLoad(Load load) { + addLoad(load, 0); + } + + /** + * Adds load statistics, marks the traffic link as having traffic, if the + * load {@link Load#rate rate} is greater than the given threshold + * (expressed in bytes per second). + * + * @param load load to add + * @param threshold threshold to register traffic + */ + public void addLoad(Load load, double threshold) { + if (load != null) { + this.hasTraffic = hasTraffic || load.rate() > threshold; + this.bytes += load.latest(); + this.rate += load.rate(); + } + } + + /** + * Adds the given count of flows to this traffic link. + * + * @param count count of flows + */ + public void addFlows(int count) { + this.flows += count; + } + + @Override + public LinkHighlight highlight(Enum<?> type) { + StatsType statsType = (StatsType) type; + switch (statsType) { + case FLOW_COUNT: + return highlightForFlowCount(statsType); + + case FLOW_STATS: + case PORT_STATS: + return highlightForStats(statsType); + + case TAGGED: + return highlightForTagging(statsType); + + default: + throw new IllegalStateException("unexpected case: " + statsType); + } + } + + private LinkHighlight highlightForStats(StatsType type) { + return new LinkHighlight(linkId(), SECONDARY_HIGHLIGHT) + .setLabel(generateLabel(type)); + } + + private LinkHighlight highlightForFlowCount(StatsType type) { + Flavor flavor = flows > 0 ? PRIMARY_HIGHLIGHT : SECONDARY_HIGHLIGHT; + return new LinkHighlight(linkId(), flavor) + .setLabel(generateLabel(type)); + } + + private LinkHighlight highlightForTagging(StatsType type) { + LinkHighlight hlite = new LinkHighlight(linkId(), taggedFlavor) + .setLabel(generateLabel(type)); + if (isOptical) { + hlite.addMod(LinkHighlight.MOD_OPTICAL); + } + if (antMarch) { + hlite.addMod(LinkHighlight.MOD_ANIMATED); + } + return hlite; + } + + // Generates a string representation of the load, to be used as a label + private String generateLabel(StatsType type) { + switch (type) { + case FLOW_COUNT: + return TopoUtils.formatFlows(flows); + + case FLOW_STATS: + return TopoUtils.formatBytes(bytes); + + case PORT_STATS: + return TopoUtils.formatBitRate(rate); + + case TAGGED: + return hasTraffic ? TopoUtils.formatBytes(bytes) : EMPTY; + + default: + return QUE; + } + } + + /** + * Returns true if this link has been deemed to have enough traffic + * to register on the topology view in the web UI. + * + * @return true if this link has displayable traffic + */ + public boolean hasTraffic() { + return hasTraffic; + } + + /** + * Designates type of traffic statistics to report on a highlighted link. + */ + public enum StatsType { + /** + * Number of flows. + */ + FLOW_COUNT, + + /** + * Number of bytes. + */ + FLOW_STATS, + + /** + * Number of bits per second. + */ + PORT_STATS, + + /** + * Custom tagged information. + */ + TAGGED + } +} |