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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/cli/src/main/java/org/onosproject/cli/net/PathListCommand.java | |
parent | 6139282e1e93c2322076de4b91b1c85d0bc4a8b3 (diff) |
ONOS checkin based on commit tag e796610b1f721d02f9b0e213cf6f7790c10ecd60
Change-Id: Ife8810491034fe7becdba75dda20de4267bd15cd
Diffstat (limited to 'framework/src/onos/cli/src/main/java/org/onosproject/cli/net/PathListCommand.java')
-rw-r--r-- | framework/src/onos/cli/src/main/java/org/onosproject/cli/net/PathListCommand.java | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/framework/src/onos/cli/src/main/java/org/onosproject/cli/net/PathListCommand.java b/framework/src/onos/cli/src/main/java/org/onosproject/cli/net/PathListCommand.java new file mode 100644 index 00000000..141ae266 --- /dev/null +++ b/framework/src/onos/cli/src/main/java/org/onosproject/cli/net/PathListCommand.java @@ -0,0 +1,97 @@ +/* + * Copyright 2014 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 org.apache.karaf.shell.commands.Argument; +import org.apache.karaf.shell.commands.Command; +import org.onosproject.cli.AbstractShellCommand; +import org.onosproject.net.Link; +import org.onosproject.net.Path; + +import java.util.Set; + +import static org.onosproject.cli.net.LinksListCommand.compactLinkString; +import static org.onosproject.net.DeviceId.deviceId; + +/** + * Lists all shortest-paths paths between the specified source and + * destination devices. + */ +@Command(scope = "onos", name = "paths", + description = "Lists all shortest-paths paths between the specified source and destination devices") +public class PathListCommand extends TopologyCommand { + + private static final String SEP = "==>"; + + @Argument(index = 0, name = "src", description = "Source device ID", + required = true, multiValued = false) + String src = null; + + @Argument(index = 1, name = "dst", description = "Destination device ID", + required = true, multiValued = false) + String dst = null; + + @Override + protected void execute() { + init(); + Set<Path> paths = service.getPaths(topology, deviceId(src), deviceId(dst)); + if (outputJson()) { + print("%s", json(this, paths)); + } else { + for (Path path : paths) { + print(pathString(path)); + } + } + } + + /** + * Produces a JSON array containing the specified paths. + * + * @param context context to use for looking up codecs + * @param paths collection of paths + * @return JSON array + */ + public static JsonNode json(AbstractShellCommand context, Iterable<Path> paths) { + ObjectMapper mapper = new ObjectMapper(); + ArrayNode result = mapper.createArrayNode(); + for (Path path : paths) { + result.add(LinksListCommand.json(context, path) + .put("cost", path.cost()) + .set("links", LinksListCommand.json(context, path.links()))); + } + return result; + } + + /** + * Produces a formatted string representing the specified path. + * + * @param path network path + * @return formatted path string + */ + protected String pathString(Path path) { + StringBuilder sb = new StringBuilder(); + for (Link link : path.links()) { + sb.append(compactLinkString(link)).append(SEP); + } + sb.delete(sb.lastIndexOf(SEP), sb.length()); + sb.append("; cost=").append(path.cost()); + return sb.toString(); + } + +} |