applications/southbound-cli/src/main/java/org/opendaylight/openflowplugin/applications/southboundcli/cli/GetAllNodesCommandProvider.java

   1 /*
   2  * Copyright (c) 2017 Ericsson India Global Services Pvt Ltd. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.openflowplugin.applications.southboundcli.cli;
  10 import java.util.Formatter;
  11 import java.util.List;
  12 import org.apache.felix.gogo.commands.Command;
  13 import org.apache.karaf.shell.console.OsgiCommandSupport;
  14 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  15 import org.opendaylight.openflowplugin.applications.southboundcli.util.OFNode;
  16 import org.opendaylight.openflowplugin.applications.southboundcli.util.ShellUtil;
  17 import org.slf4j.Logger;
  18 import org.slf4j.LoggerFactory;
  19
  20 @Command(scope = "openflow", name = "getallnodes", description = "Print all nodes from the operational datastore")
  21 public class GetAllNodesCommandProvider extends OsgiCommandSupport {
  22     private static final Logger LOG = LoggerFactory.getLogger(GetAllNodesCommandProvider.class);
  23
  24     private DataBroker dataBroker;
  25
  26     public void setDataBroker(final DataBroker dataBroker) {
  27         this.dataBroker = dataBroker;
  28     }
  29
  30     @Override
  31     protected Object doExecute() throws Exception {
  32         List<OFNode> ofNodeList = ShellUtil.getAllNodes(dataBroker);
  33         if (ofNodeList.isEmpty()) {
  34             session.getConsole().println("No node is connected yet");
  35         } else {
  36             StringBuilder stringBuilder = new StringBuilder();
  37             Formatter formatter = new Formatter(stringBuilder);
  38             session.getConsole().println("Number of nodes: " + ofNodeList.size());
  39             session.getConsole().println(getAllLocalNodesHeaderOutput());
  40             session.getConsole().println("--------------------------------------------------------------------------");
  41             for (OFNode ofNode : ofNodeList) {
  42                 session.getConsole().println(formatter.format("%-15s %3s %-15s %n",
  43                         ofNode.getNodeId(), "", ofNode.getNodeName()).toString());
  44                 stringBuilder.setLength(0);
  45             }
  46             formatter.close();
  47         }
  48         return null;
  49     }
  50
  51     private String getAllLocalNodesHeaderOutput() {
  52         Formatter formatter = new Formatter();
  53         String header = formatter.format("%-15s %3s %-15s %n", "NodeId", "", "NodeName").toString();
  54         formatter.close();
  55         return header;
  56     }
  57 }