| /* |
| * Copyright 2017-present 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.cli.net; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.fasterxml.jackson.databind.node.ArrayNode; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import org.apache.karaf.shell.commands.Command; |
| import org.onosproject.cli.AbstractShellCommand; |
| import org.onosproject.incubator.net.routing.ResolvedRoute; |
| import org.onosproject.incubator.net.routing.RouteInfo; |
| import org.onosproject.incubator.net.routing.RouteService; |
| import org.onosproject.incubator.net.routing.RouteTableId; |
| |
| import java.util.Collection; |
| import java.util.Comparator; |
| import java.util.Objects; |
| import java.util.Optional; |
| |
| /** |
| * Command to show the routes in the routing tables. |
| */ |
| @Command(scope = "onos", name = "routes", |
| description = "Lists routes in the route store") |
| public class RoutesListCommand extends AbstractShellCommand { |
| |
| private static final String NETWORK = "Network"; |
| private static final String NEXTHOP = "Next Hop"; |
| private static final String SOURCE = "Source"; |
| |
| private static final String FORMAT_ROUTE = "%-1s %-18s %-15s %-10s"; |
| private static final String FORMAT_ROUTE6 = "%-1s %-43s %-39s %-10s"; |
| |
| private static final String FORMAT_TABLE = "Table: %s"; |
| private static final String FORMAT_TOTAL = " Total: %d"; |
| |
| @Override |
| protected void execute() { |
| RouteService service = AbstractShellCommand.get(RouteService.class); |
| |
| if (outputJson()) { |
| ObjectMapper mapper = new ObjectMapper(); |
| ObjectNode result = mapper.createObjectNode(); |
| result.set("routes4", json(service.getRoutes(new RouteTableId("ipv4")))); |
| result.set("routes6", json(service.getRoutes(new RouteTableId("ipv6")))); |
| print("%s", result); |
| } else { |
| service.getRouteTables().forEach(id -> { |
| Collection<RouteInfo> tableRoutes = service.getRoutes(id); |
| |
| String format = tableRoutes.stream().anyMatch(route -> route.prefix().isIp6()) ? |
| FORMAT_ROUTE6 : FORMAT_ROUTE; |
| |
| // Print header |
| print(FORMAT_TABLE, id); |
| print(format, "", NETWORK, NEXTHOP, SOURCE); |
| |
| // Print routing entries |
| tableRoutes.stream() |
| .sorted(Comparator.comparing(r -> r.prefix().address())) |
| .forEach(route -> this.print(format, route)); |
| |
| print(FORMAT_TOTAL, tableRoutes.size()); |
| print(""); |
| }); |
| } |
| } |
| |
| private void print(String format, RouteInfo routeInfo) { |
| routeInfo.allRoutes() |
| .forEach(r -> print(format, isBestRoute(routeInfo.bestRoute(), r) ? ">" : "", |
| r.prefix(), r.nextHop(), r.route().source())); |
| } |
| |
| |
| |
| private boolean isBestRoute(Optional<ResolvedRoute> bestRoute, ResolvedRoute route) { |
| return Objects.equals(bestRoute.orElse(null), route); |
| } |
| |
| /** |
| * Produces a JSON array of routes. |
| * |
| * @param routes the routes with the data |
| * @return JSON array with the routes |
| */ |
| private JsonNode json(Collection<RouteInfo> routes) { |
| ObjectMapper mapper = new ObjectMapper(); |
| ArrayNode result = mapper.createArrayNode(); |
| |
| routes.stream() |
| .flatMap(ri -> ri.allRoutes().stream()) |
| .forEach(r -> result.add(json(mapper, r))); |
| |
| return result; |
| } |
| |
| /** |
| * Produces JSON object for a route. |
| * |
| * @param mapper the JSON object mapper to use |
| * @param route the route with the data |
| * @return JSON object for the route |
| */ |
| private ObjectNode json(ObjectMapper mapper, ResolvedRoute route) { |
| ObjectNode result = mapper.createObjectNode(); |
| |
| result.put("prefix", route.prefix().toString()); |
| result.put("nextHop", route.nextHop().toString()); |
| |
| return result; |
| } |
| |
| } |