Mercurial > hg > Members > nobuyasu > tightVNCProxy
annotate src/myVncProxy/AcceptClient.java @ 171:ffc16faf011a
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| author | Yu Taninari <you@cr.ie.u-ryukyu.ac.jp> |
|---|---|
| date | Fri, 21 Oct 2011 17:02:00 +0900 |
| parents | 57904d72fc09 1c0af90f7f59 |
| children | 54ad8e0654b5 |
| rev | line source |
|---|---|
| 73 | 1 package myVncProxy; |
| 2 | |
| 3 import java.net.Socket; | |
| 169 | 4 import java.net.UnknownHostException; |
| 73 | 5 import java.io.*; |
| 6 import java.net.*; | |
| 7 import java.util.*; | |
| 8 | |
| 139 | 9 public class AcceptClient { |
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10 int counter = 0, parentnum = 0/* 落ちたときの親の番号をカウントするためのもの */; |
| 73 | 11 LinkedList<String> ls = new LinkedList<String>(); |
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12 boolean runflag = false; |
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13 private String name; |
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14 boolean addrRegistor = true; |
| 148 | 15 int passCheck = 0; |
| 169 | 16 int treebranch = 2;// treeの子ノードの数 |
| 17 String newparent,request,myAddress; | |
| 18 String leaderflag = "0", sendleaderflag = "0"; | |
| 19 int intv_time = 100; | |
| 20 | |
| 73 | 21 |
| 171 | 22 |
| 169 | 23 public AcceptClient(String name) { |
| 24 this.name = name; | |
| 73 | 25 } |
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26 |
| 170 | 27 |
| 73 | 28 public AcceptClient() { |
| 29 new CreateThread(this); | |
| 30 } | |
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31 |
| 118 | 32 // public synchronized void transferParentAddrerss(BufferedReader |
| 33 // is,PrintStream os) { | |
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34 public synchronized void transferParentAddrerss(BufferedReader is,PrintStream os) { |
| 169 | 35 // クライアントからのメッセージを待ち、受け取ったメッセージをそのまま返す |
| 36 try { | |
| 37 while (true) { | |
| 38 String line = is.readLine(); | |
| 39 String port = is.readLine(); | |
| 40 myAddress = getMyAddress(); | |
| 41 if ("1".equals(line)) { | |
| 42 replyLeaderNode(os, is, port); | |
| 43 } else if ("2".equals(line)) { | |
| 44 replyNodeInformation(port); | |
| 45 listupdate(port, newparent); | |
| 46 outputStream(os, newparent, String.valueOf(parentnum), | |
| 47 port, leaderflag); | |
| 48 os.close(); | |
| 49 is.close(); | |
| 50 } else if ("3".equals(line)) { | |
| 51 replyNormalChildren(os, is, port); | |
| 52 line = null; | |
| 53 } else { | |
| 54 if(replyCreateTree(os, is, port, line)) { | |
| 55 break; | |
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56 } |
| 118 | 57 } |
| 169 | 58 } |
| 59 } catch (IOException e) { | |
| 60 System.out.println(e); | |
| 61 } catch (InterruptedException e) { | |
| 62 e.printStackTrace(); | |
| 63 } | |
| 73 | 64 } |
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65 |
| 73 | 66 /** |
| 67 * @param port | |
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68 * parent value |
| 73 | 69 */ |
| 70 void listupdate(String port) { | |
| 71 ls.remove(Integer.parseInt(port)); | |
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72 ls.add(Integer.parseInt(port), ls.getLast()); |
| 73 | 73 ls.removeLast(); |
| 74 } | |
| 75 | |
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76 void outputStream(PrintStream os, String request, String parentnum, |
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77 String treenum, String leaderflag) { |
| 73 | 78 os.println(request); |
| 79 os.println(parentnum); | |
| 74 | 80 os.println(treenum); |
| 73 | 81 os.println(leaderflag); |
| 82 } | |
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83 |
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84 void checkParameter(int parent, int counter, String leaderflag) { |
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85 System.out.println("pの値=" + parentnum); |
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86 System.out.println("iの値=" + counter); |
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87 System.out.println("leaderflag=" + leaderflag + "\n"); |
| 73 | 88 } |
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89 |
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90 void addClientAdress(String line, LinkedList<String> ls) { |
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91 if (line != null) { |
| 73 | 92 ls.add(line); |
| 93 } | |
| 169 | 94 displyLinkedList(ls); |
| 95 } | |
| 96 | |
| 97 void displyLinkedList( LinkedList<String> ls) { | |
| 98 int g = 0; | |
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99 for (String bs : ls) { |
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100 System.out.println(g + "番目" + bs); |
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101 g++; |
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102 } |
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103 } |
| 73 | 104 |
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105 String decisionLeader(int counter, int treebranch) { |
| 158 | 106 if ((counter - 1) % treebranch == 1) { // children in most young treenum |
| 107 // have leaderflag 1 other 0 | |
| 108 return "0"; | |
| 109 } else { | |
| 148 | 110 return "1"; |
| 158 | 111 } |
| 73 | 112 } |
| 169 | 113 |
| 114 String getMyAddress () throws UnknownHostException { | |
| 115 InetAddress addr = InetAddress.getLocalHost(); | |
| 116 return new String(addr.getHostAddress()); | |
| 117 } | |
| 118 | |
| 119 void replyNodeInformation (String port) { | |
| 120 parentnum = (Integer.parseInt(port) - 1) / treebranch; | |
| 121 newparent = ls.get(parentnum); | |
| 122 sendleaderflag = decisionLeader(Integer.parseInt(port), treebranch); | |
| 123 leaderflag = decisionLeader(Integer.parseInt(port),treebranch); | |
| 124 } | |
| 125 | |
| 126 void replyLeaderNode(PrintStream os,BufferedReader is,String port) throws IOException, InterruptedException { | |
| 127 String checkRepetition = is.readLine(); | |
| 128 os.println(ls.getLast()); | |
| 129 replyNodeInformation(port); | |
| 130 counter--; | |
| 131 passCheck = 1; | |
| 132 Child report = new Child(); | |
| 133 report.reportLastNode(ls.getLast(), newparent,port, String.valueOf(parentnum), | |
| 134 sendleaderflag, counter); | |
| 135 listupdate(port); | |
| 136 displyLinkedList(ls); | |
| 137 os.println(port); | |
| 138 runflag = true; | |
| 139 leaderflag = decisionLeader( | |
| 140 Integer.parseInt(checkRepetition), | |
| 141 treebranch); | |
| 142 if (Integer.parseInt(checkRepetition) == counter + 1) { | |
| 143 checkRepetition = "stop"; | |
| 144 } else { | |
| 145 checkRepetition = "go"; | |
| 146 } | |
| 147 os.println(checkRepetition); | |
| 148 Thread.sleep(intv_time); | |
| 149 is.close(); | |
| 150 os.close(); | |
| 151 } | |
| 152 | |
| 153 void replyNormalChildren(PrintStream os,BufferedReader is,String port) throws IOException { | |
| 154 String checkRepetition = is.readLine(); | |
| 155 System.out.println("落ちたのを確認しました"); | |
| 156 | |
| 157 os.println(ls.get(Integer.parseInt(port))); | |
| 158 os.println(port); | |
| 159 | |
| 160 | |
| 161 if(ls.size()-1+passCheck == Integer.parseInt(checkRepetition)) { | |
| 162 checkRepetition = "skip"; | |
| 163 } | |
| 164 passCheck = 0; | |
| 165 | |
| 166 os.println(checkRepetition); | |
| 167 | |
| 168 System.out.println("num4=" | |
| 169 + ls.get(Integer.parseInt(port))); | |
| 170 | |
| 171 runflag = false; | |
| 172 is.close(); | |
| 173 os.close(); | |
| 174 } | |
| 175 | |
| 176 boolean replyCreateTree(PrintStream os,BufferedReader is,String port,String line) throws InterruptedException { | |
| 177 if (addrRegistor == true) { | |
| 178 ls.add(myAddress); | |
| 179 addrRegistor = false; | |
| 180 } | |
| 181 | |
| 182 if (line != null) { | |
| 183 addClientAdress(line, ls); | |
| 184 counter++; | |
| 185 } else { | |
| 186 return true; | |
| 187 } | |
| 188 | |
| 189 if (counter >= treebranch + 1) { | |
| 190 leaderflag = decisionLeader(counter, treebranch); | |
| 191 parentnum = (counter - 1) / treebranch; | |
| 192 request = ls.get(parentnum); | |
| 193 System.out.println(parentnum); | |
| 194 outputStream(os, request,String.valueOf(parentnum), | |
| 195 String.valueOf(counter), leaderflag); | |
| 196 checkParameter(parentnum, counter, leaderflag); | |
| 197 } else { | |
| 198 // treeの親ノードに接続する人に接続する人を教える | |
| 199 outputStream(os, myAddress, "0", | |
| 200 String.valueOf(counter), leaderflag); | |
| 201 } | |
| 202 Thread.sleep(intv_time); | |
| 203 return false; | |
| 204 } | |
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205 |
| 73 | 206 } |
| 207 | |
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208 class Child { |
| 73 | 209 |
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210 void reportLastNode(String hiddenchild, String newparent, |
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211 String newtreenum, String newpnum, String newleaderflag, int i) |
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212 throws IOException { |
| 73 | 213 try { |
| 214 Socket echoSocket; | |
| 215 System.out.println(hiddenchild + "に接続します"); | |
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216 echoSocket = new Socket(hiddenchild, 10001 + (i + 1));// i+1は実験中に同じマシーンを使っていたのでportを変えて対応、本番時には取り除く予定。 |
| 73 | 217 |
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218 DataOutputStream os = new DataOutputStream( |
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219 echoSocket.getOutputStream()); |
| 73 | 220 |
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221 os.writeBytes(newparent + "\n"); |
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222 os.writeBytes(newpnum + "\n"); |
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223 os.writeBytes(newtreenum + "\n"); |
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224 os.writeBytes(newleaderflag + "\n"); |
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225 |
| 74 | 226 os.close(); |
| 73 | 227 } catch (UnknownHostException e) { |
| 228 System.err.println("Don't know about host: localhost"); | |
| 229 } catch (IOException e) { | |
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230 System.err |
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231 .println("Couldn't get I/O for the connection to: localhost"); |
| 73 | 232 } |
| 233 | |
| 234 } | |
| 235 } |