Jonathan Hart | 472062d | 2014-04-03 10:56:48 -0700 | [diff] [blame] | 1 | package net.onrc.onos.core.topology; |
Jonathan Hart | 062a2e8 | 2014-02-03 09:41:57 -0800 | [diff] [blame] | 2 | |
Yuta HIGUCHI | db1b830 | 2014-06-26 10:50:39 -0700 | [diff] [blame] | 3 | import java.util.Map; |
| 4 | |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 5 | import org.apache.commons.lang.Validate; |
Jonathan Hart | 25bd53e | 2014-04-30 23:44:09 -0700 | [diff] [blame] | 6 | |
Yuta HIGUCHI | 181d34d | 2014-02-05 15:05:46 -0800 | [diff] [blame] | 7 | /** |
| 8 | * Link Object stored in In-memory Topology. |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 9 | * <p/> |
Yuta HIGUCHI | 181d34d | 2014-02-05 15:05:46 -0800 | [diff] [blame] | 10 | * TODO REMOVE following design memo: This object itself may hold the DBObject, |
| 11 | * but this Object itself will not issue any read/write to the DataStore. |
| 12 | */ |
Jonathan Hart | e37e4e2 | 2014-05-13 19:12:02 -0700 | [diff] [blame] | 13 | public class LinkImpl extends TopologyObject implements Link { |
Yuta HIGUCHI | 181d34d | 2014-02-05 15:05:46 -0800 | [diff] [blame] | 14 | |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 15 | ////////////////////////////////////////////////////// |
| 16 | /// Topology element attributes |
| 17 | /// - any changes made here needs to be replicated. |
| 18 | ////////////////////////////////////////////////////// |
| 19 | private LinkEvent linkObj; |
| 20 | |
| 21 | // TODO remove? |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 22 | protected static final Double DEFAULT_CAPACITY = Double.POSITIVE_INFINITY; |
| 23 | protected Double capacity = DEFAULT_CAPACITY; |
Yuta HIGUCHI | 181d34d | 2014-02-05 15:05:46 -0800 | [diff] [blame] | 24 | |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 25 | /////////////////// |
| 26 | /// In-memory index |
| 27 | /////////////////// |
| 28 | |
| 29 | // none |
| 30 | |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 31 | /** |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 32 | * Creates a Link object based on {@link LinkEvent}. |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 33 | * |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 34 | * @param topology Topology instance this object belongs to |
| 35 | * @param scPort self contained {@link LinkEvent} |
| 36 | */ |
| 37 | public LinkImpl(Topology topology, LinkEvent scPort) { |
| 38 | super(topology); |
| 39 | Validate.notNull(scPort); |
| 40 | |
| 41 | // TODO should we assume linkObj is already frozen before this call |
| 42 | // or expect attribute update will happen after . |
| 43 | if (scPort.isFrozen()) { |
| 44 | this.linkObj = scPort; |
| 45 | } else { |
| 46 | this.linkObj = new LinkEvent(scPort); |
| 47 | this.linkObj.freeze(); |
| 48 | } |
| 49 | } |
| 50 | |
| 51 | /** |
| 52 | * Creates a Link object with empty attributes. |
| 53 | * |
| 54 | * @param topology Topology instance this object belongs to |
| 55 | * @param srcPort source port |
| 56 | * @param dstPort destination port |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 57 | */ |
Jonathan Hart | e37e4e2 | 2014-05-13 19:12:02 -0700 | [diff] [blame] | 58 | public LinkImpl(Topology topology, Port srcPort, Port dstPort) { |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 59 | this(topology, |
| 60 | new LinkEvent(srcPort.asSwitchPort(), |
| 61 | dstPort.asSwitchPort()).freeze()); |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 62 | } |
Toshio Koide | 2f570c1 | 2014-02-06 16:55:32 -0800 | [diff] [blame] | 63 | |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 64 | @Override |
| 65 | public Switch getSrcSwitch() { |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 66 | topology.acquireReadLock(); |
| 67 | try { |
| 68 | return topology.getSwitch(linkObj.getSrc().getDpid()); |
| 69 | } finally { |
| 70 | topology.releaseReadLock(); |
| 71 | } |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 72 | } |
Pavlin Radoslavov | 7c8f69a | 2014-02-19 19:01:45 -0800 | [diff] [blame] | 73 | |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 74 | @Override |
| 75 | public Port getSrcPort() { |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 76 | topology.acquireReadLock(); |
| 77 | try { |
| 78 | return topology.getPort(linkObj.getSrc()); |
| 79 | } finally { |
| 80 | topology.releaseReadLock(); |
| 81 | } |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 82 | } |
Pavlin Radoslavov | 7c8f69a | 2014-02-19 19:01:45 -0800 | [diff] [blame] | 83 | |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 84 | @Override |
| 85 | public Switch getDstSwitch() { |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 86 | topology.acquireReadLock(); |
| 87 | try { |
| 88 | return topology.getSwitch(linkObj.getDst().getDpid()); |
| 89 | } finally { |
| 90 | topology.releaseReadLock(); |
| 91 | } |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 92 | } |
Pavlin Radoslavov | 7c8f69a | 2014-02-19 19:01:45 -0800 | [diff] [blame] | 93 | |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 94 | @Override |
| 95 | public Port getDstPort() { |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 96 | topology.acquireReadLock(); |
| 97 | try { |
| 98 | return topology.getPort(linkObj.getDst()); |
| 99 | } finally { |
| 100 | topology.releaseReadLock(); |
| 101 | } |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 102 | } |
Jonathan Hart | 062a2e8 | 2014-02-03 09:41:57 -0800 | [diff] [blame] | 103 | |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 104 | @Override |
| 105 | public long getLastSeenTime() { |
| 106 | // TODO Auto-generated method stub |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 107 | throw new UnsupportedOperationException("Not implemented yet"); |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 108 | } |
Yuta HIGUCHI | 181d34d | 2014-02-05 15:05:46 -0800 | [diff] [blame] | 109 | |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 110 | @Override |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 111 | public Double getCapacity() { |
| 112 | return capacity; |
| 113 | } |
Toshio Koide | 0c9106d | 2014-02-19 15:26:38 -0800 | [diff] [blame] | 114 | |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 115 | void setCapacity(Double capacity) { |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 116 | this.capacity = capacity; |
| 117 | } |
Toshio Koide | 0c9106d | 2014-02-19 15:26:38 -0800 | [diff] [blame] | 118 | |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 119 | void replaceStringAttributes(LinkEvent updated) { |
| 120 | Validate.isTrue(this.linkObj.getSrc().equals(updated.getSrc()), |
| 121 | "Wrong LinkEvent given."); |
| 122 | Validate.isTrue(this.linkObj.getDst().equals(updated.getDst()), |
| 123 | "Wrong LinkEvent given."); |
| 124 | |
| 125 | // XXX simply replacing whole self-contained object for now |
| 126 | if (updated.isFrozen()) { |
| 127 | this.linkObj = updated; |
| 128 | } else { |
| 129 | this.linkObj = new LinkEvent(updated).freeze(); |
| 130 | } |
| 131 | } |
| 132 | |
| 133 | |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 134 | @Override |
Yuta HIGUCHI | db1b830 | 2014-06-26 10:50:39 -0700 | [diff] [blame] | 135 | public String getStringAttribute(String attr) { |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 136 | return linkObj.getStringAttribute(attr); |
Yuta HIGUCHI | db1b830 | 2014-06-26 10:50:39 -0700 | [diff] [blame] | 137 | } |
| 138 | |
| 139 | @Override |
Yuta HIGUCHI | db1b830 | 2014-06-26 10:50:39 -0700 | [diff] [blame] | 140 | public String getStringAttribute(String attr, String def) { |
| 141 | final String v = getStringAttribute(attr); |
| 142 | if (v == null) { |
| 143 | return def; |
| 144 | } else { |
| 145 | return v; |
| 146 | } |
| 147 | } |
| 148 | |
| 149 | @Override |
| 150 | public Map<String, String> getAllStringAttributes() { |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 151 | return linkObj.getAllStringAttributes(); |
Yuta HIGUCHI | db1b830 | 2014-06-26 10:50:39 -0700 | [diff] [blame] | 152 | } |
| 153 | |
| 154 | @Override |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 155 | public String toString() { |
| 156 | return String.format("%s --(cap:%f Mbps)--> %s", |
| 157 | getSrcPort().toString(), |
| 158 | getCapacity(), |
| 159 | getDstPort().toString()); |
| 160 | } |
Praseed Balakrishnan | 57ed843 | 2014-06-26 11:49:56 -0700 | [diff] [blame] | 161 | |
| 162 | |
| 163 | /** |
| 164 | * Returns the type of topology object. |
| 165 | * |
| 166 | * @return the type of the topology object |
| 167 | */ |
| 168 | @Override |
| 169 | public String getType() { |
Yuta HIGUCHI | 1222ac5 | 2014-07-09 16:50:28 -0700 | [diff] [blame] | 170 | return getStringAttribute(TopologyElement.TYPE, TopologyElement.TYPE_PACKET); |
Praseed Balakrishnan | 57ed843 | 2014-06-26 11:49:56 -0700 | [diff] [blame] | 171 | } |
Jonathan Hart | 062a2e8 | 2014-02-03 09:41:57 -0800 | [diff] [blame] | 172 | } |