Added support for "maps" cli command that displays meta information for various consistent maps in the system
Change-Id: I63e590a8520ac9d1238efe4ad0033dcba939e472
diff --git a/cli/src/main/java/org/onosproject/cli/net/MapsListCommand.java b/cli/src/main/java/org/onosproject/cli/net/MapsListCommand.java
new file mode 100644
index 0000000..13e8867
--- /dev/null
+++ b/cli/src/main/java/org/onosproject/cli/net/MapsListCommand.java
@@ -0,0 +1,92 @@
+/*
+ * 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.cli.net;
+
+import java.util.List;
+
+import org.apache.karaf.shell.commands.Command;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.store.service.MapInfo;
+import org.onosproject.store.service.StorageAdminService;
+
+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;
+
+/**
+ * Command to list the various maps in the system.
+ */
+@Command(scope = "onos", name = "maps",
+ description = "Lists information about consistent maps in the system")
+public class MapsListCommand extends AbstractShellCommand {
+
+ // TODO: Add support to display different eventually
+ // consistent maps as well.
+
+ private static final String FMT = "%-20s %8s";
+
+ /**
+ * Displays map info as text.
+ *
+ * @param mapInfo map descriptions
+ */
+ private void displayMaps(List<MapInfo> mapInfo) {
+ print("------------------------------");
+ print(FMT, "Name", "Size");
+ print("------------------------------");
+
+
+ for (MapInfo info : mapInfo) {
+ print(FMT, info.name(), info.size());
+ }
+ if (mapInfo.size() > 0) {
+ print("------------------------------");
+ }
+ }
+
+ /**
+ * Converts list of map info into a JSON object.
+ *
+ * @param mapInfo map descriptions
+ */
+ private JsonNode json(List<MapInfo> mapInfo) {
+ ObjectMapper mapper = new ObjectMapper();
+ ArrayNode maps = mapper.createArrayNode();
+
+ // Create a JSON node for each map
+ mapInfo.stream()
+ .forEach(info -> {
+ ObjectNode map = mapper.createObjectNode();
+ map.put("name", info.name())
+ .put("size", info.size());
+ maps.add(map);
+ });
+
+ return maps;
+ }
+
+ @Override
+ protected void execute() {
+ StorageAdminService storageAdminService = get(StorageAdminService.class);
+ List<MapInfo> mapInfo = storageAdminService.getMapInfo();
+ if (outputJson()) {
+ print("%s", json(mapInfo));
+ } else {
+ displayMaps(mapInfo);
+ }
+ }
+}
diff --git a/cli/src/main/resources/OSGI-INF/blueprint/shell-config.xml b/cli/src/main/resources/OSGI-INF/blueprint/shell-config.xml
index e065d31..4c0497b 100644
--- a/cli/src/main/resources/OSGI-INF/blueprint/shell-config.xml
+++ b/cli/src/main/resources/OSGI-INF/blueprint/shell-config.xml
@@ -230,6 +230,9 @@
<action class="org.onosproject.cli.net.PartitionsListCommand"/>
</command>
<command>
+ <action class="org.onosproject.cli.net.MapsListCommand"/>
+ </command>
+ <command>
<action class="org.onosproject.cli.net.ClusterDevicesCommand"/>
<completers>
<ref component-id="clusterIdCompleter"/>