Mercurial > hg > Database > Alice
annotate src/main/java/alice/topology/fix/FixTopology.java @ 523:145c425db88d dispose
add CompressedLDSM
| author | Nozomi Teruya <e125769@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Thu, 09 Apr 2015 18:36:26 +0900 |
| parents | 80e461aa10e9 |
| children | 15eeb439830c 767d93626b88 |
| rev | line source |
|---|---|
| 474 | 1 package alice.topology.fix; |
| 2 | |
| 3 import java.util.HashMap; | |
| 4 import java.util.LinkedList; | |
| 5 | |
| 6 import alice.codesegment.CodeSegment; | |
| 7 import alice.daemon.ConnectionInfo; | |
| 8 import alice.datasegment.CommandType; | |
| 9 import alice.datasegment.Receiver; | |
| 10 import alice.topology.HostMessage; | |
| 489 | 11 import alice.topology.manager.Parent; |
| 476 | 12 import alice.topology.manager.ParentManager; |
| 474 | 13 |
| 14 public class FixTopology extends CodeSegment { | |
| 15 | |
| 16 private Receiver info = ids.create(CommandType.TAKE); // disconnection nodeInfo | |
| 17 private Receiver info1 = ids.create(CommandType.TAKE); // all connection Info | |
| 476 | 18 private Receiver info3 = ids.create(CommandType.TAKE); // IP Table |
| 19 private Receiver info4 = ids.create(CommandType.TAKE); // parentManager | |
| 20 | |
| 474 | 21 public FixTopology() { |
| 478 | 22 info.setKey("_DISCONNECTNODE"); |
| 474 | 23 info1.setKey("topology"); |
| 476 | 24 info3.setKey("nameTable"); |
| 25 info4.setKey("parentManager"); | |
| 474 | 26 } |
| 27 | |
| 28 @SuppressWarnings("unchecked") | |
| 29 @Override | |
| 30 public void run() { | |
| 484 | 31 ConnectionInfo lost = info.asClass(ConnectionInfo.class); |
| 32 System.out.println(lost.port+" "+lost.nodeName); | |
| 476 | 33 HashMap<String, HostMessage> nameTable = info3.asClass(HashMap.class); |
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34 ParentManager manager = info4.asClass(ParentManager.class); |
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35 HashMap<String, LinkedList<HostMessage>> topology = info1.asClass(HashMap.class); |
| 484 | 36 HostMessage lostNode = null; |
| 37 String lostNodeName = null; | |
| 482 | 38 for (String name : nameTable.keySet()) { |
| 484 | 39 lostNode = nameTable.get(name); |
| 40 if ((lostNode.name.equals(lost.addr)||lostNode.name.equals(lost.hostname)) | |
| 41 && lostNode.port == lost.port) { | |
| 42 lostNodeName = name; | |
| 482 | 43 break; |
| 44 } | |
| 484 | 45 lostNode = null; |
| 482 | 46 } |
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47 |
| 484 | 48 if (lostNode!=null && lostNode.isAlive()) { |
| 476 | 49 // change state not Alive |
| 484 | 50 lostNode.alive = false; |
| 476 | 51 // get lastJoinedNode |
| 496 | 52 String lastJoinNodeName = manager.getLastNode().getName(); |
| 482 | 53 LinkedList<HostMessage> connectionList = topology.get(lastJoinNodeName); |
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54 // lastJoinedNode has one connection |
| 482 | 55 HostMessage parentNode = connectionList.poll(); |
| 474 | 56 |
| 482 | 57 connectionList = topology.get(parentNode.absName); |
| 58 for (HostMessage node1 : connectionList) { | |
| 59 if (node1.absName.equals(lastJoinNodeName)) { | |
| 60 connectionList.remove(node1); | |
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61 break; |
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62 } |
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63 } |
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64 |
| 484 | 65 if (!lastJoinNodeName.equals(lostNodeName)) { |
| 489 | 66 if (!lostNodeName.equals(parentNode.remoteAbsName)) { |
| 484 | 67 // send close message to lastJoinedNode |
| 502 | 68 ods.put(lastJoinNodeName, "_CLOSEMESSEAGE", parentNode.connectionName); |
| 484 | 69 // send close message to lastJoinedNode's parent |
| 502 | 70 ods.put(parentNode.absName, "_CLOSEMESSEAGE", parentNode.reverseName); |
| 484 | 71 } |
| 474 | 72 |
| 482 | 73 HostMessage lastJoinNode = nameTable.get(lastJoinNodeName); |
| 74 connectionList = topology.get(lastJoinNodeName); | |
| 484 | 75 LinkedList<HostMessage> disconnectionList = topology.get(lostNodeName); |
| 476 | 76 // remove NodeInformation from disconnection node's children and parent |
| 77 for (HostMessage node :disconnectionList) { | |
| 78 LinkedList<HostMessage> list = topology.get(node.absName); | |
| 484 | 79 if (!node.absName.equals(lastJoinNodeName)) { |
| 80 for (HostMessage node1 : list) { | |
| 81 if (node1.absName.equals(lostNodeName)) { | |
| 82 node1.name = lastJoinNode.name; | |
| 83 node1.port = lastJoinNode.port; | |
| 84 node1.absName = lastJoinNodeName; | |
| 85 ods.put(node1.remoteAbsName, node1); | |
| 86 break; | |
| 87 } | |
| 88 } | |
| 89 node.remoteAbsName = lastJoinNodeName; | |
| 90 ods.put(node.remoteAbsName, node); | |
| 91 connectionList.add(node); | |
| 92 } else { | |
| 93 for (HostMessage node1 :disconnectionList) { | |
| 94 if ("parent".equals(node1.connectionName)) { | |
| 95 node1.reverseName = lastJoinNodeName; | |
| 96 list.add(node1); | |
| 97 ods.put(node1.remoteAbsName, node1); | |
| 98 break; | |
| 99 } | |
| 474 | 100 } |
| 489 | 101 |
| 474 | 102 } |
| 103 } | |
| 482 | 104 disconnectionList.clear(); |
| 484 | 105 manager.replaceAndRemove(lostNodeName, lastJoinNodeName); |
| 474 | 106 } else { |
| 476 | 107 // disconnection node is lastJoinedNode |
| 484 | 108 manager.remove(lostNodeName); |
| 474 | 109 } |
| 489 | 110 |
| 497 | 111 for (Parent p1 : manager.getList()) { |
| 112 LinkedList<HostMessage> list = topology.get(p1.getName()); | |
| 113 int child = 0; | |
| 114 for (HostMessage h : list) { | |
| 115 if (!"parent".equals(h.connectionName)) { | |
| 116 child++; | |
| 117 } | |
| 118 } | |
| 119 p1.setChildren(child); | |
| 120 } | |
| 121 | |
| 489 | 122 // need debug option |
| 123 for (LinkedList<HostMessage> list :topology.values()){ | |
| 124 if (list.size() !=0) { | |
| 125 System.out.print(list.get(0).remoteAbsName+" : "); | |
| 126 for (HostMessage host : list){ | |
| 127 System.out.print("[ "+host.absName+" "+host.name+" "+host.port+" "+host.connectionName+" "+host.reverseName+" "+host.remoteAbsName+" ]"); | |
| 128 } | |
| 129 System.out.println(); | |
| 130 } | |
| 131 } | |
| 132 | |
| 133 manager.show(); | |
| 474 | 134 } else { |
| 476 | 135 // disconnect message already received. |
| 474 | 136 } |
| 478 | 137 |
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f644dc9e0589
TODO : add ReceiveCloseOrder CodeSegment in alice.topology.node package
sugi
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diff
changeset
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138 ods.put(info1.key, topology); |
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f644dc9e0589
TODO : add ReceiveCloseOrder CodeSegment in alice.topology.node package
sugi
parents:
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139 ods.put(info3.key, nameTable); |
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f644dc9e0589
TODO : add ReceiveCloseOrder CodeSegment in alice.topology.node package
sugi
parents:
476
diff
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140 ods.put(info4.key, manager); |
| 474 | 141 } |
| 142 } |