Toshio Koide | 5f26065 | 2014-01-30 14:41:12 -0800 | [diff] [blame^] | 1 | package net.onrc.onos.ofcontroller.app; |
| 2 | |
| 3 | import java.util.HashMap; |
| 4 | import java.util.Map; |
| 5 | |
| 6 | /** |
| 7 | * Base class for Flow representation |
| 8 | * This code is valid for the architectural study purpose only. |
| 9 | * @author Toshio Koide (t-koide@onlab.us) |
| 10 | */ |
| 11 | public class Flow extends NetworkGraphEntity { |
| 12 | public enum FlowState { |
| 13 | Created, |
| 14 | Configuring, |
| 15 | Configured, |
| 16 | PathCalcurating, |
| 17 | PathCalcurated, |
| 18 | PathCalcurationFailed, |
| 19 | PathInstalled, |
| 20 | PathInstlationFailed, |
| 21 | FlowEntriesCalcurating, |
| 22 | FlowEntriesCalcurated, |
| 23 | FlowEntriesCalcuratinFailed, |
| 24 | FlowEntriesInstalling, |
| 25 | FlowEntriesInstalled, |
| 26 | FlowEntriesInstallationFailed, |
| 27 | FlowEntriesRemoving, |
| 28 | FlowEntriesRemoved, |
| 29 | FlowEntriesRemovalFailed, |
| 30 | PathRemoved, |
| 31 | PathRemovalFailed, |
| 32 | } |
| 33 | |
| 34 | protected FlowState state = FlowState.Created; |
| 35 | |
| 36 | // configurations |
| 37 | protected SwitchPort srcPort = null; |
| 38 | protected SwitchPort dstPort = null; |
| 39 | |
| 40 | // path |
| 41 | protected Path path = new Path(); |
| 42 | |
| 43 | // flow entries |
| 44 | protected Map<SwitchPort, FlowEntry> flowEntries = null; |
| 45 | |
| 46 | public Flow(NetworkGraph graph, String name, SwitchPort srcPort, SwitchPort dstPort) { |
| 47 | super(graph); |
| 48 | this.srcPort = srcPort; |
| 49 | this.dstPort = dstPort; |
| 50 | state = FlowState.Created; |
| 51 | } |
| 52 | |
| 53 | FlowState getState() { |
| 54 | return state; |
| 55 | } |
| 56 | |
| 57 | boolean isState(FlowState state) { |
| 58 | return this.state == state; |
| 59 | } |
| 60 | |
| 61 | boolean calcPath() { |
| 62 | state = FlowState.PathCalcurated; |
| 63 | return true; |
| 64 | } |
| 65 | |
| 66 | public Path getPath() { |
| 67 | return path; |
| 68 | } |
| 69 | |
| 70 | public boolean installPath() { |
| 71 | for (Link link: path) { |
| 72 | link.addFlow(this); |
| 73 | } |
| 74 | state = FlowState.PathInstalled; |
| 75 | return true; |
| 76 | } |
| 77 | |
| 78 | public boolean uninstallPath() { |
| 79 | for (Link link: path) { |
| 80 | link.removeFlow(this); |
| 81 | } |
| 82 | state = FlowState.PathRemoved; |
| 83 | return true; |
| 84 | } |
| 85 | |
| 86 | public void calcFlowEntries() { |
| 87 | flowEntries = new HashMap<SwitchPort, FlowEntry>(); |
| 88 | state = FlowState.FlowEntriesCalcurated; |
| 89 | } |
| 90 | |
| 91 | public void installFlowEntries() { |
| 92 | state = FlowState.FlowEntriesInstalled; |
| 93 | } |
| 94 | |
| 95 | public void uninstallFlowEntries() { |
| 96 | state = FlowState.FlowEntriesRemoved; |
| 97 | } |
| 98 | |
| 99 | @Override |
| 100 | public String toString() { |
| 101 | return String.format("srcPort:%s, dstPort:%s, Path: %s", |
| 102 | srcPort.toString(), |
| 103 | dstPort.toString(), |
| 104 | path.toString()); |
| 105 | } |
| 106 | } |