1 files changed, 157 insertions, 0 deletions
diff --git a/framework/src/onos/apps/routing/src/main/java/org/onosproject/routing/cli/RoutesListCommand.java b/framework/src/onos/apps/routing/src/main/java/org/onosproject/routing/cli/RoutesListCommand.java
new file mode 100644
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--- /dev/null
+++ b/framework/src/onos/apps/routing/src/main/java/org/onosproject/routing/cli/RoutesListCommand.java
@@ -0,0 +1,157 @@
+/*
+ * Copyright 2014-2015 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.routing.cli;
+
+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.apache.karaf.shell.commands.Option;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.routing.RouteEntry;
+import org.onosproject.routing.RoutingService;
+
+import java.util.Collection;
+
+/**
+ * Command to show the list of routes in SDN-IP's routing table.
+ */
+@Command(scope = "onos", name = "routes",
+        description = "Lists all SDN-IP best routes")
+public class RoutesListCommand extends AbstractShellCommand {
+    @Option(name = "-s", aliases = "--summary",
+            description = "SDN-IP routes summary",
+            required = false, multiValued = false)
+    private boolean routesSummary = false;
+
+    private static final String FORMAT_SUMMARY_V4 =
+        "Total SDN-IP IPv4 routes = %d";
+    private static final String FORMAT_SUMMARY_V6 =
+        "Total SDN-IP IPv6 routes = %d";
+    private static final String FORMAT_HEADER =
+        "   Network            Next Hop";
+    private static final String FORMAT_ROUTE =
+        "   %-18s %-15s";
+
+    @Override
+    protected void execute() {
+        RoutingService service = AbstractShellCommand.get(RoutingService.class);
+
+        // Print summary of the routes
+        if (routesSummary) {
+            printSummary(service.getRoutes4(), service.getRoutes6());
+            return;
+        }
+
+        // Print all routes
+        printRoutes(service.getRoutes4(), service.getRoutes6());
+    }
+
+    /**
+     * Prints summary of the routes.
+     *
+     * @param routes4 the IPv4 routes
+     * @param routes6 the IPv6 routes
+     */
+    private void printSummary(Collection<RouteEntry> routes4,
+                              Collection<RouteEntry> routes6) {
+        if (outputJson()) {
+            ObjectMapper mapper = new ObjectMapper();
+            ObjectNode result = mapper.createObjectNode();
+            result.put("totalRoutes4", routes4.size());
+            result.put("totalRoutes6", routes6.size());
+            print("%s", result);
+        } else {
+            print(FORMAT_SUMMARY_V4, routes4.size());
+            print(FORMAT_SUMMARY_V6, routes6.size());
+        }
+    }
+
+    /**
+     * Prints all routes.
+     *
+     * @param routes4 the IPv4 routes to print
+     * @param routes6 the IPv6 routes to print
+     */
+    private void printRoutes(Collection<RouteEntry> routes4,
+                             Collection<RouteEntry> routes6) {
+        if (outputJson()) {
+            ObjectMapper mapper = new ObjectMapper();
+            ObjectNode result = mapper.createObjectNode();
+            result.set("routes4", json(routes4));
+            result.set("routes6", json(routes6));
+            print("%s", result);
+        } else {
+            // The IPv4 routes
+            print(FORMAT_HEADER);
+            for (RouteEntry route : routes4) {
+                printRoute(route);
+            }
+            print(FORMAT_SUMMARY_V4, routes4.size());
+            print("");                  // Empty separator line
+            // The IPv6 routes
+            print(FORMAT_HEADER);
+            for (RouteEntry route : routes6) {
+                printRoute(route);
+            }
+            print(FORMAT_SUMMARY_V6, routes6.size());
+        }
+    }
+
+    /**
+     * Prints a route.
+     *
+     * @param route the route to print
+     */
+    private void printRoute(RouteEntry route) {
+        if (route != null) {
+            print(FORMAT_ROUTE, route.prefix(), route.nextHop());
+        }
+    }
+
+    /**
+     * Produces a JSON array of routes.
+     *
+     * @param routes the routes with the data
+     * @return JSON array with the routes
+     */
+    private JsonNode json(Collection<RouteEntry> routes) {
+        ObjectMapper mapper = new ObjectMapper();
+        ArrayNode result = mapper.createArrayNode();
+
+        for (RouteEntry route : routes) {
+            result.add(json(mapper, route));
+        }
+        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, RouteEntry route) {
+        ObjectNode result = mapper.createObjectNode();
+
+        result.put("prefix", route.prefix().toString());
+        result.put("nextHop", route.nextHop().toString());
+
+        return result;
+    }
+}