| /* |
| * 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<RequestHandler> 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<NetworkResource> 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<ConnectPoint> points, |
| StringBuilder sb) { |
| for (ConnectPoint point : points) { |
| sb.append(point.elementId()) |
| .append('/') |
| .append(point.port()) |
| .append(' '); |
| } |
| } |
| |
| private void buildConnectivityDetails(ConnectivityIntent intent, |
| StringBuilder sb) { |
| Set<Criterion> criteria = intent.selector().criteria(); |
| List<Instruction> instructions = intent.treatment().allInstructions(); |
| List<Constraint> 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); |
| } |
| |
| } |
| } |
| } |