Toshio Koide | 5f26065 | 2014-01-30 14:41:12 -0800 | [diff] [blame^] | 1 | package net.onrc.onos.ofcontroller.app; |
| 2 | |
| 3 | import java.util.Collection; |
| 4 | import java.util.HashMap; |
| 5 | import java.util.HashSet; |
| 6 | import java.util.LinkedList; |
| 7 | |
| 8 | /** |
| 9 | * This code is valid for the architectural study purpose only. |
| 10 | * @author Toshio Koide (t-koide@onlab.us) |
| 11 | */ |
| 12 | public class NetworkGraph { |
| 13 | protected HashSet<Flow> flows; |
| 14 | protected HashMap<String, Switch> switches; |
| 15 | |
| 16 | public NetworkGraph() { |
| 17 | flows = new HashSet<Flow>(); |
| 18 | switches = new HashMap<String, Switch>(); |
| 19 | } |
| 20 | |
| 21 | // Switch operations |
| 22 | |
| 23 | public Switch addSwitch(String name) { |
| 24 | if (switches.containsKey(name)) { |
| 25 | return null; // should throw exception |
| 26 | } |
| 27 | Switch sw = new Switch(this, name); |
| 28 | switches.put(sw.getName(), sw); |
| 29 | return sw; |
| 30 | |
| 31 | } |
| 32 | |
| 33 | public Switch getSwitch(String switchName) { |
| 34 | return switches.get(switchName); |
| 35 | } |
| 36 | |
| 37 | // Link operations |
| 38 | |
| 39 | public Link addLink(String srcSwitchName, Integer srcPortNo, String dstSwitchName, Integer dstPortNo) { |
| 40 | return new Link( |
| 41 | getSwitch(srcSwitchName).getPort(srcPortNo), |
| 42 | getSwitch(dstSwitchName).getPort(dstPortNo)); |
| 43 | } |
| 44 | |
| 45 | public Link[] addBidirectionalLinks(String srcSwitchName, Integer srcPortNo, String dstSwitchName, Integer dstPortNo) { |
| 46 | Link[] links = new Link[2]; |
| 47 | links[0] = addLink(srcSwitchName, srcPortNo, dstSwitchName, dstPortNo); |
| 48 | links[1] = addLink(dstSwitchName, dstPortNo, srcSwitchName, srcPortNo); |
| 49 | |
| 50 | return links; |
| 51 | } |
| 52 | |
| 53 | public Collection<Link> getLinks() { |
| 54 | LinkedList<Link> links = new LinkedList<Link>(); |
| 55 | for (Switch sw: switches.values()) { |
| 56 | for (SwitchPort port: sw.getPorts()) { |
| 57 | Link link = port.outgoingLink; |
| 58 | if (link != null) { |
| 59 | links.add(link); |
| 60 | } |
| 61 | } |
| 62 | } |
| 63 | return links; |
| 64 | } |
| 65 | |
| 66 | // Flow operations |
| 67 | |
| 68 | public boolean addFlow(Flow flow) { |
| 69 | return flows.add(flow); |
| 70 | } |
| 71 | } |