Mercurial > hg > Database > Alice

annotate src/alice/datasegment/RemoteDataSegmentManager.java @ 58:ebdcab7b9b04

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author one
date Wed, 08 Feb 2012 17:06:39 +0900
parents 27a64e771c4c
children 498d1d2524d3
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1 package alice.datasegment;
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3 import java.io.IOException;
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4 import java.net.InetSocketAddress;
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5 import java.nio.channels.SocketChannel;
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7 import org.apache.log4j.Logger;
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8 import org.msgpack.type.Value;
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10 import alice.codesegment.CodeSegment;
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11 import alice.daemon.Connection;
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12 import alice.daemon.IncomingTcpConnection;
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13 import alice.daemon.OutboundTcpConnection;
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15 public class RemoteDataSegmentManager extends DataSegmentManager {
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17 Connection connection;
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18 Logger logger;
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20 public RemoteDataSegmentManager(String connectionKey, final String reverseKey, final String hostName, final int port) {
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21 logger = Logger.getLogger(connectionKey);
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22 connection = new Connection();
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23 final RemoteDataSegmentManager manager = this;
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24 new Thread(replyThread, "RemoteDataSegmentManager-" + connectionKey).start();
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25 new Thread("Connect-" + connectionKey) {
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26 public void run() {
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27 boolean connect = true;
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28 do {
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29 try {
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30 SocketChannel sc = SocketChannel.open(new InetSocketAddress(hostName, port));
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31 connection.socket = sc.socket();
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32 connect = false;
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33 logger.info("Connect to " + connection.getInfoString());
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34 } catch (IOException e) {
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35 try {
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36 Thread.sleep(50);
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37 } catch (InterruptedException e1) {
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38 e1.printStackTrace();
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39 }
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40 }
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41 } while (connect);
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42 new IncomingTcpConnection(connection, manager, reverseKey).start();
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43 new OutboundTcpConnection(connection).start();
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44 }
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45 }.start();
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46 }
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48 /**
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49 * send put command to target DataSegment
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50 */
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51 @Override
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52 public void put(String key, Value val, CodeSegment cs) {
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53 Command cmd = new Command(CommandType.PUT, null, key, val, 0, 0, null, cs, null);
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54 connection.sendCommand(cmd); // put command on the transmission thread
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55 logger.debug(cmd.getCommandString());
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56 }
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58 @Override
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59 public void update(String key, Value val, CodeSegment cs) {
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60 Command cmd = new Command(CommandType.UPDATE, null, key, val, 0, 0, null, cs, null);
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61 connection.sendCommand(cmd);
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62 logger.debug(cmd.getCommandString());
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63 }
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65 @Override
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66 public void take(Receiver receiver, String key, int index, CodeSegment cs) {
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67 int seq = this.seq.getAndIncrement();
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68 Command cmd = new Command(CommandType.TAKE, receiver, key, null, index, seq, replyQueue, cs, null);
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69 seqHash.put(seq, cmd);
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70 connection.sendCommand(cmd);
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71 logger.debug(cmd.getCommandString());
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72 }
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74 @Override
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75 public void peek(Receiver receiver, String key, int index, CodeSegment cs) {
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76 int seq = this.seq.getAndIncrement();
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77 Command cmd = new Command(CommandType.PEEK, receiver, key, null, index, seq, replyQueue, cs, null);
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78 seqHash.put(seq, cmd);
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79 connection.sendCommand(cmd);
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80 logger.debug(cmd.getCommandString());
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81 }
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83 @Override
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84 public void remove(String key) {
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85 Command cmd = new Command(CommandType.REMOVE, null, key, null, 0, 0, null, null, null);
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86 connection.sendCommand(cmd);
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87 logger.debug(cmd.getCommandString());
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88 }
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90 @Override
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91 public void finish() {
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92 Command cmd = new Command(CommandType.FINISH, null, null, null, 0, 0, null, null, null);
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93 connection.sendCommand(cmd);
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94 }
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95
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96 @Override
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97 public void close() {
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98 Command cmd = new Command(CommandType.CLOSE, null, null, null, 0, 0, null, null, null);
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99 connection.sendCommand(cmd);
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100 }
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101
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102 }