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 { |
Yuta HIGUCHI | f65bcd5 | 2014-02-23 15:09:57 -0800 | [diff] [blame] | 14 | protected final SwitchPort src; |
| 15 | protected final SwitchPort dst; |
Yuta HIGUCHI | 54ab8cd | 2014-02-11 09:43:34 -0800 | [diff] [blame] | 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) { |
Pavlin Radoslavov | 7c8f69a | 2014-02-19 19:01:45 -0800 | [diff] [blame] | 32 | src = new SwitchPort(link.getSrcSwitch().getDpid(), |
| 33 | link.getSrcPort().getNumber()); |
| 34 | dst = new SwitchPort(link.getDstSwitch().getDpid(), |
| 35 | link.getDstPort().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 | |
Yuta HIGUCHI | a341b11 | 2014-02-23 15:42:00 -0800 | [diff] [blame] | 53 | public static ByteBuffer getLinkID(Long src_dpid, Long src_port_no, |
Yuta HIGUCHI | b510728 | 2014-02-14 17:18:24 -0800 | [diff] [blame] | 54 | Long dst_dpid, Long dst_port_no) { |
Yuta HIGUCHI | 9e873bd | 2014-02-24 13:29:13 -0800 | [diff] [blame] | 55 | return (ByteBuffer) ByteBuffer.allocate(LinkEvent.LINKID_BYTES).putChar('L') |
Yuta HIGUCHI | b510728 | 2014-02-14 17:18:24 -0800 | [diff] [blame] | 56 | .put(PortEvent.getPortID(src_dpid, src_port_no)) |
Yuta HIGUCHI | 9e873bd | 2014-02-24 13:29:13 -0800 | [diff] [blame] | 57 | .put(PortEvent.getPortID(dst_dpid, dst_port_no)).flip(); |
Yuta HIGUCHI | b510728 | 2014-02-14 17:18:24 -0800 | [diff] [blame] | 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(), |
Yuta HIGUCHI | a341b11 | 2014-02-23 15:42:00 -0800 | [diff] [blame] | 62 | dst.getDpid(), dst.getNumber()).array(); |
| 63 | } |
| 64 | |
| 65 | public ByteBuffer getIDasByteBuffer() { |
| 66 | return getLinkID(src.getDpid(), src.getNumber(), |
Toshio Koide | 0c9106d | 2014-02-19 15:26:38 -0800 | [diff] [blame] | 67 | dst.getDpid(), dst.getNumber()); |
Pavlin Radoslavov | 45ec04b | 2014-02-14 23:29:33 -0800 | [diff] [blame] | 68 | } |
Toshio Koide | 0c9106d | 2014-02-19 15:26:38 -0800 | [diff] [blame] | 69 | |
Toshio Koide | 0c9106d | 2014-02-19 15:26:38 -0800 | [diff] [blame] | 70 | @Override |
| 71 | public int hashCode() { |
| 72 | final int prime = 31; |
| 73 | int result = 1; |
| 74 | result = prime * result + ((dst == null) ? 0 : dst.hashCode()); |
| 75 | result = prime * result + ((src == null) ? 0 : src.hashCode()); |
| 76 | return result; |
| 77 | } |
| 78 | |
| 79 | @Override |
| 80 | public boolean equals(Object obj) { |
| 81 | if (this == obj) |
| 82 | return true; |
| 83 | if (obj == null) |
| 84 | return false; |
| 85 | if (getClass() != obj.getClass()) |
| 86 | return false; |
| 87 | LinkEvent other = (LinkEvent) obj; |
| 88 | if (dst == null) { |
| 89 | if (other.dst != null) |
| 90 | return false; |
| 91 | } else if (!dst.equals(other.dst)) |
| 92 | return false; |
| 93 | if (src == null) { |
| 94 | if (other.src != null) |
| 95 | return false; |
| 96 | } else if (!src.equals(other.src)) |
| 97 | return false; |
| 98 | return true; |
| 99 | } |
| 100 | } |