org.onosproject.ui.impl.IntentViewMessageHandler Maven / Gradle / Ivy
/*
* 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;
import com.fasterxml.jackson.databind.node.ObjectNode;
import com.google.common.collect.ImmutableSet;
import org.onosproject.net.ConnectPoint;
import org.onosproject.net.NetworkResource;
import org.onosproject.net.flow.criteria.Criterion;
import org.onosproject.net.flow.instructions.Instruction;
import org.onosproject.net.intent.ConnectivityIntent;
import org.onosproject.net.intent.Constraint;
import org.onosproject.net.intent.HostToHostIntent;
import org.onosproject.net.intent.Intent;
import org.onosproject.net.intent.IntentService;
import org.onosproject.net.intent.LinkCollectionIntent;
import org.onosproject.net.intent.MultiPointToSinglePointIntent;
import org.onosproject.net.intent.PathIntent;
import org.onosproject.net.intent.PointToPointIntent;
import org.onosproject.net.intent.SinglePointToMultiPointIntent;
import org.onosproject.ui.RequestHandler;
import org.onosproject.ui.UiMessageHandler;
import org.onosproject.ui.table.CellFormatter;
import org.onosproject.ui.table.TableModel;
import org.onosproject.ui.table.TableRequestHandler;
import org.onosproject.ui.table.cell.AppIdFormatter;
import org.onosproject.ui.table.cell.EnumFormatter;
import java.util.Collection;
import java.util.List;
import java.util.Set;
/**
* Message handler for intent view related messages.
*/
public class IntentViewMessageHandler extends UiMessageHandler {
private static final String INTENT_DATA_REQ = "intentDataRequest";
private static final String INTENT_DATA_RESP = "intentDataResponse";
private static final String INTENTS = "intents";
private static final String APP_ID = "appId";
private static final String KEY = "key";
private static final String TYPE = "type";
private static final String PRIORITY = "priority";
private static final String STATE = "state";
private static final String RESOURCES = "resources";
private static final String DETAILS = "details";
private static final String[] COL_IDS = {
APP_ID, KEY, TYPE, PRIORITY, STATE, RESOURCES, DETAILS
};
@Override
protected Collection createRequestHandlers() {
return ImmutableSet.of(new IntentDataRequest());
}
// handler for intent table requests
private final class IntentDataRequest extends TableRequestHandler {
private static final String NO_ROWS_MESSAGE = "No intents found";
private IntentDataRequest() {
super(INTENT_DATA_REQ, INTENT_DATA_RESP, INTENTS);
}
@Override
protected String defaultColumnId() {
return APP_ID;
}
@Override
protected String[] getColumnIds() {
return COL_IDS;
}
@Override
protected String noRowsMessage(ObjectNode payload) {
return NO_ROWS_MESSAGE;
}
@Override
protected TableModel createTableModel() {
TableModel tm = super.createTableModel();
tm.setFormatter(APP_ID, AppIdFormatter.INSTANCE);
tm.setFormatter(RESOURCES, new ResourcesFormatter());
tm.setFormatter(DETAILS, new DetailsFormatter());
tm.setFormatter(STATE, EnumFormatter.INSTANCE);
return tm;
}
@Override
protected void populateTable(TableModel tm, ObjectNode payload) {
IntentService is = get(IntentService.class);
for (Intent intent : is.getIntents()) {
populateRow(tm.addRow(), intent, is);
}
}
private void populateRow(TableModel.Row row, Intent intent, IntentService is) {
row.cell(APP_ID, intent.appId())
.cell(KEY, intent.key())
.cell(TYPE, intent.getClass().getSimpleName())
.cell(PRIORITY, intent.priority())
.cell(STATE, is.getIntentState(intent.key()))
.cell(RESOURCES, intent)
.cell(DETAILS, intent);
}
private final class ResourcesFormatter implements CellFormatter {
private static final String COMMA = ", ";
@Override
public String format(Object value) {
Intent intent = (Intent) value;
Collection resources = intent.resources();
if (resources.isEmpty()) {
return "(No resources for this intent)";
}
StringBuilder sb = new StringBuilder("Resources: ");
for (NetworkResource nr : resources) {
sb.append(nr).append(COMMA);
}
removeTrailingComma(sb);
return sb.toString();
}
private StringBuilder removeTrailingComma(StringBuilder sb) {
int pos = sb.lastIndexOf(COMMA);
sb.delete(pos, sb.length());
return sb;
}
}
private final class DetailsFormatter implements CellFormatter {
@Override
public String format(Object value) {
return formatDetails((Intent) value, new StringBuilder()).toString();
}
private StringBuilder formatDetails(Intent intent, StringBuilder sb) {
if (intent instanceof ConnectivityIntent) {
buildConnectivityDetails((ConnectivityIntent) intent, sb);
}
if (intent instanceof HostToHostIntent) {
buildHostToHostDetails((HostToHostIntent) intent, sb);
} else if (intent instanceof PointToPointIntent) {
buildPointToPointDetails((PointToPointIntent) intent, sb);
} else if (intent instanceof MultiPointToSinglePointIntent) {
buildMPToSPDetails((MultiPointToSinglePointIntent) intent, sb);
} else if (intent instanceof SinglePointToMultiPointIntent) {
buildSPToMPDetails((SinglePointToMultiPointIntent) intent, sb);
} else if (intent instanceof PathIntent) {
buildPathDetails((PathIntent) intent, sb);
} else if (intent instanceof LinkCollectionIntent) {
buildLinkConnectionDetails((LinkCollectionIntent) intent, sb);
}
if (sb.length() == 0) {
sb.append("(No details for this intent)");
} else {
sb.insert(0, "Details: ");
}
return sb;
}
private void appendMultiPointsDetails(Set points,
StringBuilder sb) {
for (ConnectPoint point : points) {
sb.append(point.elementId())
.append('/')
.append(point.port())
.append(' ');
}
}
private void buildConnectivityDetails(ConnectivityIntent intent,
StringBuilder sb) {
Set criteria = intent.selector().criteria();
List instructions = intent.treatment().allInstructions();
List constraints = intent.constraints();
if (!criteria.isEmpty()) {
sb.append("Selector: ").append(criteria);
}
if (!instructions.isEmpty()) {
sb.append("Treatment: ").append(instructions);
}
if (constraints != null && !constraints.isEmpty()) {
sb.append("Constraints: ").append(constraints);
}
}
private void buildHostToHostDetails(HostToHostIntent intent,
StringBuilder sb) {
sb.append(" Host 1: ")
.append(intent.one())
.append(", Host 2: ")
.append(intent.two());
}
private void buildPointToPointDetails(PointToPointIntent intent,
StringBuilder sb) {
ConnectPoint ingress = intent.ingressPoint();
ConnectPoint egress = intent.egressPoint();
sb.append(" Ingress: ")
.append(ingress.elementId())
.append('/')
.append(ingress.port())
.append(", Egress: ")
.append(egress.elementId())
.append('/')
.append(egress.port())
.append(' ');
}
private void buildMPToSPDetails(MultiPointToSinglePointIntent intent,
StringBuilder sb) {
ConnectPoint egress = intent.egressPoint();
sb.append(" Ingress=");
appendMultiPointsDetails(intent.ingressPoints(), sb);
sb.append(", Egress=")
.append(egress.elementId())
.append('/')
.append(egress.port())
.append(' ');
}
private void buildSPToMPDetails(SinglePointToMultiPointIntent intent,
StringBuilder sb) {
ConnectPoint ingress = intent.ingressPoint();
sb.append(" Ingress=")
.append(ingress.elementId())
.append('/')
.append(ingress.port())
.append(", Egress=");
appendMultiPointsDetails(intent.egressPoints(), sb);
}
private void buildPathDetails(PathIntent intent, StringBuilder sb) {
sb.append(" path=")
.append(intent.path().links())
.append(", cost=")
.append(intent.path().cost());
}
private void buildLinkConnectionDetails(LinkCollectionIntent intent,
StringBuilder sb) {
sb.append(" links=")
.append(intent.links())
.append(", egress=");
appendMultiPointsDetails(intent.egressPoints(), sb);
}
}
}
}
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