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 | |
Jonathan Hart | 369875b | 2014-02-13 10:00:31 -0800 | [diff] [blame] | 3 | import java.util.ArrayList; |
Jonathan Hart | 062a2e8 | 2014-02-03 09:41:57 -0800 | [diff] [blame] | 4 | import java.util.Collection; |
Yuta HIGUCHI | 9b028ca | 2014-02-11 14:07:58 -0800 | [diff] [blame] | 5 | import java.util.HashSet; |
Toshio Koide | 2f570c1 | 2014-02-06 16:55:32 -0800 | [diff] [blame] | 6 | import java.util.LinkedList; |
Jonathan Hart | 369875b | 2014-02-13 10:00:31 -0800 | [diff] [blame] | 7 | import java.util.List; |
Jonathan Hart | 062a2e8 | 2014-02-03 09:41:57 -0800 | [diff] [blame] | 8 | import java.util.Map; |
Yuta HIGUCHI | 9b028ca | 2014-02-11 14:07:58 -0800 | [diff] [blame] | 9 | import java.util.Set; |
Jonathan Hart | 062a2e8 | 2014-02-03 09:41:57 -0800 | [diff] [blame] | 10 | |
Yuta HIGUCHI | fa74284 | 2014-07-03 22:35:13 -0700 | [diff] [blame] | 11 | import net.onrc.onos.core.util.Dpid; |
| 12 | import net.onrc.onos.core.util.PortNumber; |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 13 | |
| 14 | import org.apache.commons.lang.Validate; |
Yuta HIGUCHI | db1b830 | 2014-06-26 10:50:39 -0700 | [diff] [blame] | 15 | |
Yuta HIGUCHI | 181d34d | 2014-02-05 15:05:46 -0800 | [diff] [blame] | 16 | /** |
| 17 | * Switch Object stored in In-memory Topology. |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 18 | * <p/> |
Yuta HIGUCHI | 181d34d | 2014-02-05 15:05:46 -0800 | [diff] [blame] | 19 | * TODO REMOVE following design memo: This object itself may hold the DBObject, |
| 20 | * but this Object itself will not issue any read/write to the DataStore. |
| 21 | */ |
Jonathan Hart | e37e4e2 | 2014-05-13 19:12:02 -0700 | [diff] [blame] | 22 | public class SwitchImpl extends TopologyObject implements Switch { |
Yuta HIGUCHI | 181d34d | 2014-02-05 15:05:46 -0800 | [diff] [blame] | 23 | |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 24 | ////////////////////////////////////////////////////// |
| 25 | /// Topology element attributes |
| 26 | /// - any changes made here needs to be replicated. |
| 27 | ////////////////////////////////////////////////////// |
| 28 | private SwitchEvent switchObj; |
Jonathan Hart | 062a2e8 | 2014-02-03 09:41:57 -0800 | [diff] [blame] | 29 | |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 30 | /////////////////// |
| 31 | /// In-memory index |
| 32 | /////////////////// |
| 33 | |
| 34 | // none |
| 35 | |
| 36 | // TODO remove when test codes are cleaned up. |
Jonathan Hart | e37e4e2 | 2014-05-13 19:12:02 -0700 | [diff] [blame] | 37 | public SwitchImpl(Topology topology, Long dpid) { |
Sho SHIMIZU | 83e3c1f | 2014-06-13 15:57:26 -0700 | [diff] [blame] | 38 | this(topology, new Dpid(dpid)); |
| 39 | } |
| 40 | |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 41 | /** |
| 42 | * Creates a Switch object with empty attributes. |
| 43 | * |
| 44 | * @param topology Topology instance this object belongs to |
| 45 | * @param dpid DPID |
| 46 | */ |
Sho SHIMIZU | 83e3c1f | 2014-06-13 15:57:26 -0700 | [diff] [blame] | 47 | public SwitchImpl(Topology topology, Dpid dpid) { |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 48 | this(topology, new SwitchEvent(dpid).freeze()); |
| 49 | } |
| 50 | |
| 51 | /** |
| 52 | * Creates a Switch object based on {@link SwitchEvent}. |
| 53 | * |
| 54 | * @param topology Topology instance this object belongs to |
| 55 | * @param scSw self contained {@link SwitchEvent} |
| 56 | */ |
| 57 | public SwitchImpl(Topology topology, SwitchEvent scSw) { |
Jonathan Hart | e37e4e2 | 2014-05-13 19:12:02 -0700 | [diff] [blame] | 58 | super(topology); |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 59 | Validate.notNull(scSw); |
| 60 | |
| 61 | // TODO should we assume switchObj is already frozen before this call |
| 62 | // or expect attribute update will happen after . |
| 63 | if (scSw.isFrozen()) { |
| 64 | this.switchObj = scSw; |
| 65 | } else { |
| 66 | this.switchObj = new SwitchEvent(scSw); |
| 67 | this.switchObj.freeze(); |
| 68 | } |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 69 | } |
Jonathan Hart | 062a2e8 | 2014-02-03 09:41:57 -0800 | [diff] [blame] | 70 | |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 71 | @Override |
Yuta HIGUCHI | 8f3dfa3 | 2014-06-25 00:14:25 -0700 | [diff] [blame] | 72 | public Dpid getDpid() { |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 73 | return switchObj.getDpid(); |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 74 | } |
Jonathan Hart | 062a2e8 | 2014-02-03 09:41:57 -0800 | [diff] [blame] | 75 | |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 76 | @Override |
| 77 | public Collection<Port> getPorts() { |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 78 | topology.acquireReadLock(); |
| 79 | try { |
| 80 | return topology.getPorts(getDpid()); |
| 81 | } finally { |
| 82 | topology.releaseReadLock(); |
| 83 | } |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 84 | } |
Jonathan Hart | 062a2e8 | 2014-02-03 09:41:57 -0800 | [diff] [blame] | 85 | |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 86 | @Override |
Yuta HIGUCHI | 8f3dfa3 | 2014-06-25 00:14:25 -0700 | [diff] [blame] | 87 | public Port getPort(PortNumber number) { |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 88 | topology.acquireReadLock(); |
| 89 | try { |
| 90 | return topology.getPort(getDpid(), number); |
| 91 | } finally { |
| 92 | topology.releaseReadLock(); |
| 93 | } |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 94 | } |
Jonathan Hart | 062a2e8 | 2014-02-03 09:41:57 -0800 | [diff] [blame] | 95 | |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 96 | @Override |
| 97 | public Iterable<Switch> getNeighbors() { |
| 98 | Set<Switch> neighbors = new HashSet<>(); |
| 99 | for (Link link : getOutgoingLinks()) { |
| 100 | neighbors.add(link.getDstSwitch()); |
| 101 | } |
| 102 | // XXX should incoming considered neighbor? |
| 103 | for (Link link : getIncomingLinks()) { |
| 104 | neighbors.add(link.getSrcSwitch()); |
| 105 | } |
| 106 | return neighbors; |
| 107 | } |
Jonathan Hart | 062a2e8 | 2014-02-03 09:41:57 -0800 | [diff] [blame] | 108 | |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 109 | @Override |
Yuta HIGUCHI | 8f3dfa3 | 2014-06-25 00:14:25 -0700 | [diff] [blame] | 110 | public Link getLinkToNeighbor(Dpid neighborDpid) { |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 111 | for (Link link : getOutgoingLinks()) { |
| 112 | if (link.getDstSwitch().getDpid().equals(neighborDpid)) { |
| 113 | return link; |
| 114 | } |
| 115 | } |
| 116 | return null; |
| 117 | } |
Jonathan Hart | 062a2e8 | 2014-02-03 09:41:57 -0800 | [diff] [blame] | 118 | |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 119 | @Override |
| 120 | public Collection<Device> getDevices() { |
| 121 | // TODO Should switch also store a list of attached devices to avoid |
| 122 | // calculating this every time? |
| 123 | List<Device> devices = new ArrayList<Device>(); |
Yuta HIGUCHI | 2571905 | 2014-02-13 14:42:06 -0800 | [diff] [blame] | 124 | |
Yuta HIGUCHI | fa74284 | 2014-07-03 22:35:13 -0700 | [diff] [blame] | 125 | for (Port port : getPorts()) { |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 126 | for (Device device : port.getDevices()) { |
| 127 | devices.add(device); |
| 128 | } |
| 129 | } |
Yuta HIGUCHI | 2571905 | 2014-02-13 14:42:06 -0800 | [diff] [blame] | 130 | |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 131 | return devices; |
| 132 | } |
Jonathan Hart | 062a2e8 | 2014-02-03 09:41:57 -0800 | [diff] [blame] | 133 | |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 134 | void replaceStringAttributes(SwitchEvent updated) { |
| 135 | Validate.isTrue(this.getDpid().equals(updated.getDpid()), |
| 136 | "Wrong SwitchEvent given."); |
| 137 | |
| 138 | // XXX simply replacing whole self-contained object for now |
| 139 | if (updated.isFrozen()) { |
| 140 | this.switchObj = updated; |
| 141 | } else { |
| 142 | this.switchObj = new SwitchEvent(updated).freeze(); |
| 143 | } |
| 144 | } |
| 145 | |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 146 | @Override |
| 147 | public Iterable<Link> getOutgoingLinks() { |
| 148 | LinkedList<Link> links = new LinkedList<Link>(); |
Yuta HIGUCHI | fa74284 | 2014-07-03 22:35:13 -0700 | [diff] [blame] | 149 | for (Port port : getPorts()) { |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 150 | Link link = port.getOutgoingLink(); |
| 151 | if (link != null) { |
| 152 | links.add(link); |
| 153 | } |
| 154 | } |
| 155 | return links; |
| 156 | } |
Toshio Koide | 2f570c1 | 2014-02-06 16:55:32 -0800 | [diff] [blame] | 157 | |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 158 | @Override |
| 159 | public Iterable<Link> getIncomingLinks() { |
| 160 | LinkedList<Link> links = new LinkedList<Link>(); |
Yuta HIGUCHI | fa74284 | 2014-07-03 22:35:13 -0700 | [diff] [blame] | 161 | for (Port port : getPorts()) { |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 162 | Link link = port.getIncomingLink(); |
| 163 | if (link != null) { |
| 164 | links.add(link); |
| 165 | } |
| 166 | } |
| 167 | return links; |
| 168 | } |
Yuta HIGUCHI | db1b830 | 2014-06-26 10:50:39 -0700 | [diff] [blame] | 169 | |
| 170 | @Override |
| 171 | public String getStringAttribute(String attr) { |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 172 | return this.switchObj.getStringAttribute(attr); |
Yuta HIGUCHI | db1b830 | 2014-06-26 10:50:39 -0700 | [diff] [blame] | 173 | } |
| 174 | |
| 175 | @Override |
Yuta HIGUCHI | db1b830 | 2014-06-26 10:50:39 -0700 | [diff] [blame] | 176 | public String getStringAttribute(String attr, String def) { |
| 177 | final String v = getStringAttribute(attr); |
| 178 | if (v == null) { |
| 179 | return def; |
| 180 | } else { |
| 181 | return v; |
| 182 | } |
| 183 | } |
| 184 | |
| 185 | @Override |
| 186 | public Map<String, String> getAllStringAttributes() { |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 187 | return this.switchObj.getAllStringAttributes(); |
Yuta HIGUCHI | db1b830 | 2014-06-26 10:50:39 -0700 | [diff] [blame] | 188 | } |
| 189 | |
| 190 | @Override |
| 191 | public String toString() { |
Yuta HIGUCHI | bf0a871 | 2014-06-30 18:59:46 -0700 | [diff] [blame] | 192 | return getDpid().toString(); |
Yuta HIGUCHI | db1b830 | 2014-06-26 10:50:39 -0700 | [diff] [blame] | 193 | } |
Praseed Balakrishnan | 57ed843 | 2014-06-26 11:49:56 -0700 | [diff] [blame] | 194 | |
| 195 | /** |
| 196 | * Returns the type of topology object. |
| 197 | * |
| 198 | * @return the type of the topology object |
| 199 | */ |
| 200 | @Override |
| 201 | public String getType() { |
| 202 | throw new UnsupportedOperationException("Not implemented yet"); |
| 203 | } |
Jonathan Hart | 062a2e8 | 2014-02-03 09:41:57 -0800 | [diff] [blame] | 204 | } |