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 | 02ccb8c | 2014-07-10 11:29:45 -0700 | [diff] [blame] | 5 | import net.onrc.onos.core.util.LinkTuple; |
| 6 | |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 7 | import org.apache.commons.lang.Validate; |
Jonathan Hart | 25bd53e | 2014-04-30 23:44:09 -0700 | [diff] [blame] | 8 | |
Yuta HIGUCHI | 181d34d | 2014-02-05 15:05:46 -0800 | [diff] [blame] | 9 | /** |
| 10 | * Link Object stored in In-memory Topology. |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 11 | * <p/> |
Yuta HIGUCHI | 181d34d | 2014-02-05 15:05:46 -0800 | [diff] [blame] | 12 | * TODO REMOVE following design memo: This object itself may hold the DBObject, |
| 13 | * but this Object itself will not issue any read/write to the DataStore. |
| 14 | */ |
Jonathan Hart | e37e4e2 | 2014-05-13 19:12:02 -0700 | [diff] [blame] | 15 | public class LinkImpl extends TopologyObject implements Link { |
Yuta HIGUCHI | 181d34d | 2014-02-05 15:05:46 -0800 | [diff] [blame] | 16 | |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 17 | ////////////////////////////////////////////////////// |
| 18 | /// Topology element attributes |
| 19 | /// - any changes made here needs to be replicated. |
| 20 | ////////////////////////////////////////////////////// |
| 21 | private LinkEvent linkObj; |
| 22 | |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 23 | |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 24 | /** |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 25 | * Creates a Link object based on {@link LinkEvent}. |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 26 | * |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 27 | * @param topology Topology instance this object belongs to |
| 28 | * @param scPort self contained {@link LinkEvent} |
| 29 | */ |
| 30 | public LinkImpl(Topology topology, LinkEvent scPort) { |
| 31 | super(topology); |
| 32 | Validate.notNull(scPort); |
| 33 | |
| 34 | // TODO should we assume linkObj is already frozen before this call |
| 35 | // or expect attribute update will happen after . |
| 36 | if (scPort.isFrozen()) { |
| 37 | this.linkObj = scPort; |
| 38 | } else { |
| 39 | this.linkObj = new LinkEvent(scPort); |
| 40 | this.linkObj.freeze(); |
| 41 | } |
| 42 | } |
| 43 | |
| 44 | /** |
| 45 | * Creates a Link object with empty attributes. |
| 46 | * |
| 47 | * @param topology Topology instance this object belongs to |
| 48 | * @param srcPort source port |
| 49 | * @param dstPort destination port |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 50 | */ |
Jonathan Hart | e37e4e2 | 2014-05-13 19:12:02 -0700 | [diff] [blame] | 51 | public LinkImpl(Topology topology, Port srcPort, Port dstPort) { |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 52 | this(topology, |
| 53 | new LinkEvent(srcPort.asSwitchPort(), |
| 54 | dstPort.asSwitchPort()).freeze()); |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 55 | } |
Toshio Koide | 2f570c1 | 2014-02-06 16:55:32 -0800 | [diff] [blame] | 56 | |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 57 | @Override |
Yuta HIGUCHI | 02ccb8c | 2014-07-10 11:29:45 -0700 | [diff] [blame] | 58 | public LinkTuple getLinkTuple() { |
| 59 | return linkObj.getLinkTuple(); |
| 60 | } |
| 61 | |
| 62 | @Override |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 63 | public Switch getSrcSwitch() { |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 64 | topology.acquireReadLock(); |
| 65 | try { |
| 66 | return topology.getSwitch(linkObj.getSrc().getDpid()); |
| 67 | } finally { |
| 68 | topology.releaseReadLock(); |
| 69 | } |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 70 | } |
Pavlin Radoslavov | 7c8f69a | 2014-02-19 19:01:45 -0800 | [diff] [blame] | 71 | |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 72 | @Override |
| 73 | public Port getSrcPort() { |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 74 | topology.acquireReadLock(); |
| 75 | try { |
| 76 | return topology.getPort(linkObj.getSrc()); |
| 77 | } finally { |
| 78 | topology.releaseReadLock(); |
| 79 | } |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 80 | } |
Pavlin Radoslavov | 7c8f69a | 2014-02-19 19:01:45 -0800 | [diff] [blame] | 81 | |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 82 | @Override |
| 83 | public Switch getDstSwitch() { |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 84 | topology.acquireReadLock(); |
| 85 | try { |
| 86 | return topology.getSwitch(linkObj.getDst().getDpid()); |
| 87 | } finally { |
| 88 | topology.releaseReadLock(); |
| 89 | } |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 90 | } |
Pavlin Radoslavov | 7c8f69a | 2014-02-19 19:01:45 -0800 | [diff] [blame] | 91 | |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 92 | @Override |
| 93 | public Port getDstPort() { |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 94 | topology.acquireReadLock(); |
| 95 | try { |
| 96 | return topology.getPort(linkObj.getDst()); |
| 97 | } finally { |
| 98 | topology.releaseReadLock(); |
| 99 | } |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 100 | } |
Jonathan Hart | 062a2e8 | 2014-02-03 09:41:57 -0800 | [diff] [blame] | 101 | |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 102 | @Override |
| 103 | public long getLastSeenTime() { |
| 104 | // TODO Auto-generated method stub |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 105 | throw new UnsupportedOperationException("Not implemented yet"); |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 106 | } |
Yuta HIGUCHI | 181d34d | 2014-02-05 15:05:46 -0800 | [diff] [blame] | 107 | |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 108 | @Override |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 109 | public Double getCapacity() { |
Yuta HIGUCHI | cb8455e | 2014-07-15 18:42:10 -0700 | [diff] [blame] | 110 | return this.linkObj.getCapacity(); |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 111 | } |
Toshio Koide | 0c9106d | 2014-02-19 15:26:38 -0800 | [diff] [blame] | 112 | |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 113 | void setCapacity(Double capacity) { |
Yuta HIGUCHI | cb8455e | 2014-07-15 18:42:10 -0700 | [diff] [blame] | 114 | if (this.linkObj.isFrozen()) { |
| 115 | this.linkObj = new LinkEvent(this.linkObj); |
| 116 | this.linkObj.setCapacity(capacity); |
| 117 | this.linkObj.freeze(); |
| 118 | } else { |
| 119 | this.linkObj.setCapacity(capacity); |
| 120 | } |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 121 | } |
Toshio Koide | 0c9106d | 2014-02-19 15:26:38 -0800 | [diff] [blame] | 122 | |
Yuta HIGUCHI | cb8455e | 2014-07-15 18:42:10 -0700 | [diff] [blame] | 123 | // XXX actually replaces everything |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 124 | void replaceStringAttributes(LinkEvent updated) { |
| 125 | Validate.isTrue(this.linkObj.getSrc().equals(updated.getSrc()), |
| 126 | "Wrong LinkEvent given."); |
| 127 | Validate.isTrue(this.linkObj.getDst().equals(updated.getDst()), |
| 128 | "Wrong LinkEvent given."); |
| 129 | |
| 130 | // XXX simply replacing whole self-contained object for now |
| 131 | if (updated.isFrozen()) { |
| 132 | this.linkObj = updated; |
| 133 | } else { |
| 134 | this.linkObj = new LinkEvent(updated).freeze(); |
| 135 | } |
| 136 | } |
| 137 | |
| 138 | |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 139 | @Override |
Yuta HIGUCHI | db1b830 | 2014-06-26 10:50:39 -0700 | [diff] [blame] | 140 | public String getStringAttribute(String attr) { |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 141 | return linkObj.getStringAttribute(attr); |
Yuta HIGUCHI | db1b830 | 2014-06-26 10:50:39 -0700 | [diff] [blame] | 142 | } |
| 143 | |
| 144 | @Override |
Yuta HIGUCHI | db1b830 | 2014-06-26 10:50:39 -0700 | [diff] [blame] | 145 | public String getStringAttribute(String attr, String def) { |
| 146 | final String v = getStringAttribute(attr); |
| 147 | if (v == null) { |
| 148 | return def; |
| 149 | } else { |
| 150 | return v; |
| 151 | } |
| 152 | } |
| 153 | |
| 154 | @Override |
| 155 | public Map<String, String> getAllStringAttributes() { |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 156 | return linkObj.getAllStringAttributes(); |
Yuta HIGUCHI | db1b830 | 2014-06-26 10:50:39 -0700 | [diff] [blame] | 157 | } |
| 158 | |
| 159 | @Override |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 160 | public String toString() { |
| 161 | return String.format("%s --(cap:%f Mbps)--> %s", |
| 162 | getSrcPort().toString(), |
| 163 | getCapacity(), |
| 164 | getDstPort().toString()); |
| 165 | } |
Praseed Balakrishnan | 57ed843 | 2014-06-26 11:49:56 -0700 | [diff] [blame] | 166 | |
| 167 | |
| 168 | /** |
| 169 | * Returns the type of topology object. |
| 170 | * |
| 171 | * @return the type of the topology object |
| 172 | */ |
| 173 | @Override |
| 174 | public String getType() { |
Yuta HIGUCHI | dbc3312 | 2014-07-10 13:32:32 -0700 | [diff] [blame] | 175 | return getStringAttribute(TopologyElement.TYPE, TopologyElement.TYPE_PACKET_LAYER); |
Praseed Balakrishnan | 57ed843 | 2014-06-26 11:49:56 -0700 | [diff] [blame] | 176 | } |
Jonathan Hart | 062a2e8 | 2014-02-03 09:41:57 -0800 | [diff] [blame] | 177 | } |