Yuta HIGUCHI | 54ab8cd | 2014-02-11 09:43:34 -0800 | [diff] [blame] | 1 | package net.onrc.onos.ofcontroller.networkgraph; |
| 2 | |
Yuta HIGUCHI | b510728 | 2014-02-14 17:18:24 -0800 | [diff] [blame] | 3 | import java.nio.ByteBuffer; |
| 4 | |
Yuta HIGUCHI | 54ab8cd | 2014-02-11 09:43:34 -0800 | [diff] [blame] | 5 | import net.onrc.onos.ofcontroller.networkgraph.PortEvent.SwitchPort; |
| 6 | |
| 7 | /** |
Yuta HIGUCHI | dac4caa | 2014-02-11 18:51:35 -0800 | [diff] [blame] | 8 | * Self-contained Link event Object |
Yuta HIGUCHI | 54ab8cd | 2014-02-11 09:43:34 -0800 | [diff] [blame] | 9 | * |
| 10 | * TODO: We probably want common base class/interface for Self-Contained Event Object |
| 11 | * |
| 12 | */ |
| 13 | public class LinkEvent { |
| 14 | private final SwitchPort src; |
| 15 | private final SwitchPort dst; |
| 16 | |
Pavlin Radoslavov | 45ec04b | 2014-02-14 23:29:33 -0800 | [diff] [blame] | 17 | /** |
| 18 | * Default constructor. |
| 19 | */ |
| 20 | public LinkEvent() { |
| 21 | src = null; |
| 22 | dst = null; |
| 23 | } |
| 24 | |
Yuta HIGUCHI | 54ab8cd | 2014-02-11 09:43:34 -0800 | [diff] [blame] | 25 | public LinkEvent(Long src_dpid, Long src_port_no, Long dst_dpid, |
| 26 | Long dst_port_no) { |
Yuta HIGUCHI | 54ab8cd | 2014-02-11 09:43:34 -0800 | [diff] [blame] | 27 | src = new SwitchPort(src_dpid, src_port_no); |
| 28 | dst = new SwitchPort(dst_dpid, dst_port_no); |
Toshio Koide | 0c9106d | 2014-02-19 15:26:38 -0800 | [diff] [blame] | 29 | } |
Yuta HIGUCHI | 54ab8cd | 2014-02-11 09:43:34 -0800 | [diff] [blame] | 30 | |
Toshio Koide | 0c9106d | 2014-02-19 15:26:38 -0800 | [diff] [blame] | 31 | public LinkEvent(Link link) { |
| 32 | src = new SwitchPort(link.getSourceSwitch().getDpid(), |
| 33 | link.getSourcePort().getNumber()); |
| 34 | dst = new SwitchPort(link.getDestinationSwitch().getDpid(), |
| 35 | link.getDestinationPort().getNumber()); |
Yuta HIGUCHI | 54ab8cd | 2014-02-11 09:43:34 -0800 | [diff] [blame] | 36 | } |
| 37 | |
| 38 | public SwitchPort getSrc() { |
Toshio Koide | 0c9106d | 2014-02-19 15:26:38 -0800 | [diff] [blame] | 39 | return src; |
Yuta HIGUCHI | 54ab8cd | 2014-02-11 09:43:34 -0800 | [diff] [blame] | 40 | } |
| 41 | |
| 42 | public SwitchPort getDst() { |
Toshio Koide | 0c9106d | 2014-02-19 15:26:38 -0800 | [diff] [blame] | 43 | return dst; |
Yuta HIGUCHI | 54ab8cd | 2014-02-11 09:43:34 -0800 | [diff] [blame] | 44 | } |
| 45 | |
| 46 | @Override |
| 47 | public String toString() { |
| 48 | return "[LinkEvent " + src + "->" + dst + "]"; |
| 49 | } |
| 50 | |
Yuta HIGUCHI | b510728 | 2014-02-14 17:18:24 -0800 | [diff] [blame] | 51 | public static final int LINKID_BYTES = 2 + PortEvent.PORTID_BYTES * 2; |
| 52 | |
| 53 | public static byte[] getLinkID(Long src_dpid, Long src_port_no, |
| 54 | Long dst_dpid, Long dst_port_no) { |
| 55 | return ByteBuffer.allocate(LinkEvent.LINKID_BYTES).putChar('L') |
| 56 | .put(PortEvent.getPortID(src_dpid, src_port_no)) |
| 57 | .put(PortEvent.getPortID(dst_dpid, dst_port_no)).array(); |
| 58 | } |
| 59 | |
Pavlin Radoslavov | 45ec04b | 2014-02-14 23:29:33 -0800 | [diff] [blame] | 60 | public byte[] getID() { |
| 61 | return getLinkID(src.getDpid(), src.getNumber(), |
Toshio Koide | 0c9106d | 2014-02-19 15:26:38 -0800 | [diff] [blame] | 62 | dst.getDpid(), dst.getNumber()); |
Pavlin Radoslavov | 45ec04b | 2014-02-14 23:29:33 -0800 | [diff] [blame] | 63 | } |
Toshio Koide | 0c9106d | 2014-02-19 15:26:38 -0800 | [diff] [blame] | 64 | |
| 65 | public Link getLink(NetworkGraph graph) { |
| 66 | Port srcPort = graph.getPort(getSrc().getDpid(), getSrc().getNumber()); |
| 67 | if (srcPort == null) return null; |
| 68 | Link link = srcPort.getOutgoingLink(); |
| 69 | if (link == null) return null; |
| 70 | if (link.getDestinationSwitch().getDpid() != getDst().getDpid()) return null; |
| 71 | if (link.getDestinationPort().getNumber() != getDst().getNumber()) return null; |
| 72 | return link; |
| 73 | } |
| 74 | |
| 75 | @Override |
| 76 | public int hashCode() { |
| 77 | final int prime = 31; |
| 78 | int result = 1; |
| 79 | result = prime * result + ((dst == null) ? 0 : dst.hashCode()); |
| 80 | result = prime * result + ((src == null) ? 0 : src.hashCode()); |
| 81 | return result; |
| 82 | } |
| 83 | |
| 84 | @Override |
| 85 | public boolean equals(Object obj) { |
| 86 | if (this == obj) |
| 87 | return true; |
| 88 | if (obj == null) |
| 89 | return false; |
| 90 | if (getClass() != obj.getClass()) |
| 91 | return false; |
| 92 | LinkEvent other = (LinkEvent) obj; |
| 93 | if (dst == null) { |
| 94 | if (other.dst != null) |
| 95 | return false; |
| 96 | } else if (!dst.equals(other.dst)) |
| 97 | return false; |
| 98 | if (src == null) { |
| 99 | if (other.src != null) |
| 100 | return false; |
| 101 | } else if (!src.equals(other.src)) |
| 102 | return false; |
| 103 | return true; |
| 104 | } |
| 105 | } |