bgpmanager/bgpmanager-impl/src/main/java/org/opendaylight/bgpmanager/commands/Network.java

   1 /*
   2  * Copyright (c) 2015 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.bgpmanager.commands;
  10
  11 import org.apache.karaf.shell.commands.*;
  12 import org.apache.karaf.shell.console.OsgiCommandSupport;
  13 import org.opendaylight.bgpmanager.BgpManager;
  14 import org.opendaylight.bgpmanager.thrift.gen.qbgpConstants;
  15
  16 @Command(scope = "odl", name = "bgp-network",
  17          description = "Add or delete BGP static routes")
  18 public class Network extends OsgiCommandSupport {
  19     private static final String RD = "--rd";
  20     private static final String PFX = "--prefix";
  21     private static final String NH = "--nexthop";
  22     private static final String LB = "--label";
  23
  24     @Argument(name="add|del", description="The desired operation",
  25               required=true, multiValued = false)
  26     private String action = null;
  27
  28     @Option(name=RD, aliases={"-r"},
  29             description="Route distinguisher",
  30             required=false, multiValued=false)
  31     private String rd = null;
  32
  33     @Option(name=PFX, aliases={"-p"},
  34             description="prefix/length",
  35             required=false, multiValued=false)
  36     private String pfx = null;
  37
  38     @Option(name=NH, aliases={"-n"},
  39             description="Nexthop",
  40             required=false, multiValued=false)
  41     private String nh = null;
  42
  43     @Option(name=LB, aliases={"-l"},
  44             description="Label",
  45             required=false, multiValued=false)
  46     private String lbl = null;
  47
  48     private Object usage() {
  49         System.err.println(
  50             "usage: bgp-network ["+RD+" rd] ["+PFX+" prefix/len] ["
  51             +NH+" nexthop] ["+LB+" label] <add|del>");
  52         return null;
  53     }
  54
  55     @Override
  56     protected Object doExecute() throws Exception {
  57         if (!Commands.bgpRunning()) {
  58             return null;
  59         }
  60         BgpManager bm = Commands.getBgpManager();
  61         switch (action) {
  62             case "add" :
  63                 int label = qbgpConstants.LBL_EXPLICIT_NULL;
  64                 if (pfx == null ) {
  65                     System.err.println("error: "+PFX+" is needed");
  66                     return null;
  67                 }
  68                 if (nh == null) {
  69                     System.err.println("error: "+NH+" is needed");
  70                     return null;
  71                 }
  72                 //todo: syntactic validation of prefix
  73                 if (!Commands.isValid(nh, Commands.IPADDR, NH)) {
  74                     return null;
  75                 }
  76                 if (lbl != null) {
  77                     if (!Commands.isValid(lbl, Commands.INT, LB)) {
  78                         return null;
  79                     } else {
  80                         label = Integer.valueOf(lbl);
  81                     }
  82                 } else if (rd == null) {
  83                     System.err.println("error: "+RD+" is needed");
  84                     return null;
  85                 }
  86                 bm.addPrefix(rd, pfx, nh, label);
  87                 break;
  88             case "del" :
  89                 if (pfx == null) {
  90                     System.err.println("error: "+PFX+" is needed");
  91                     return null;
  92                 }
  93                 if (nh != null || lbl != null) {
  94                     System.err.println("note: some option(s) not needed; ignored");
  95                 }
  96                 bm.deletePrefix(rd, pfx);
  97                 break;
  98             default :
  99                 return usage();
 100         }
 101         return null;
 102     }
 103 }