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1 package christie.topology.manager;
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2
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3
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4 import christie.annotation.Peek;
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5 import christie.annotation.Take;
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6 import christie.codegear.CodeGear;
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7 import christie.codegear.CodeGearManager;
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8 import christie.topology.HostMessage;
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9 import org.apache.log4j.Logger;
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10
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11 import java.util.HashMap;
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12 import java.util.LinkedList;
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13
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14 public class IncomingHosts extends CodeGear {
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15
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16 @Take // Topology from parse file
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17 HashMap<String, LinkedList<NodeInfo>> resultParse;
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18
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19 @Take // nodeName list
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20 LinkedList<String> nodeNames;
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21
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22 @Take // new coming host info
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23 HostMessage newHost;
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24
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25 @Take
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26 HashMap<String, String> absCookieTable;
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27
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28 @Take
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29 String MD5;
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30
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31
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32 private Logger log = Logger.getLogger(IncomingHosts.class);
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33
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34 public IncomingHosts() {
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35
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36 }
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37
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38 @Override
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39 public void run(CodeGearManager cgm) {
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40
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41 // not have or match cookie
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42 String nodeName = nodeNames.poll();
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44
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43
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44 // Manager connect to Node
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45 cgm.createRemoteDGM(nodeName, newHost.name, newHost.port);
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46 getDGM(nodeName).put( "host", nodeName);
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47
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48
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49 absCookieTable.put(MD5, nodeName);
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50 getLocalDGM().put("absCookieTable", absCookieTable);
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51
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52 getDGM(nodeName).put("cookie", MD5);
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53 log.info( "toplology manager connected from " + nodeName);
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54
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55 LinkedList<NodeInfo> nodeInfoList = resultParse.get(nodeName);
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56 for (NodeInfo nodeInfo : nodeInfoList) {
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57 HostMessage hostMessage = new HostMessage(newHost.name, newHost.port,
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58 nodeInfo.connectionName, nodeInfo.reverseName);
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59 hostMessage.absName = nodeName;
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60 hostMessage.remoteAbsName = nodeInfo.sourceNodeName;
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61
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62 getLocalDGM().put("nodeInfo", hostMessage);
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63 getLocalDGM().put(nodeInfo.sourceNodeName, hostMessage);
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64 log.info(" write to " + nodeInfo.sourceNodeName + " config message =" + hostMessage.toString() + " remain "
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65 + Integer.toString((nodeNames.size())));
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66 cgm.setup(new RecordTopology());
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67 }
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68
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69 log.info(" remaining configure host = " + Integer.toString(nodeNames.size()));
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70 if (nodeNames.isEmpty()) {
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71 // configuration finish
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72 for (String key : resultParse.keySet()) {
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73 log.info(" write to " + key + " end message =" + (new HostMessage("",0,"","")).toString());
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74 getLocalDGM().put(key, new HostMessage("",0,"","")); // end mark
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75 }
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76 }
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77
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78
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79 getLocalDGM().put("nodeNames", nodeNames);
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80 getLocalDGM().put("resultParse", resultParse);
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81
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82 cgm.setup(new IncomingHosts());
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83 }
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84 }
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