Package org.nasutekds.server.replication.common

Examples of org.nasutekds.server.replication.common.ServerState

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       * Start 2 fake RSs
       */

      // Put a fake RS 1 connected to real RS 2 (different GENID)
      fakeRs1 = createFakeReplicationServer(FRS1_ID, DEFAULT_GID, RS1_ID,
        OTHER_GENID, false, AssuredMode.SAFE_READ_MODE, 1, new ServerState(),
        TIMEOUT_RS_SCENARIO);
      assertNotNull(fakeRs1);

      // Put a fake RS 2 connected to real RS 3 (different GID 2)
      fakeRs2 = createFakeReplicationServer(FRS2_ID, OTHER_GID_BIS, RS1_ID,
        DEFAULT_GENID, false, AssuredMode.SAFE_READ_MODE, 1, new ServerState(),
        TIMEOUT_RS_SCENARIO);
      assertNotNull(fakeRs2);

      /*
       * Start DSs that will receive and ack the updates from DS 1
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      assertNotNull(fakeRd1);

      // DS 2 connected to RS 1 with low window to easily put it in DEGRADED status
      fakeRd2 = createFakeReplicationDomain(FDS2_ID, DEFAULT_GID, RS1_ID,
        DEFAULT_GENID, true, AssuredMode.SAFE_READ_MODE, 1, LONG_TIMEOUT,
        REPLY_OK_DS_SCENARIO, new ServerState(), false, 2);
      assertNotNull(fakeRd2);

      // Wait for connections to be finished
      // DS must see expected numbers of DSs/RSs
      waitForStableTopo(fakeRd1, 1, 1);
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    int myId3 = 3;
    // definitions for server names
    final String WINNER = "winner";

    // Create my state
    ServerState mySt = new ServerState();
    ChangeNumber cn = new ChangeNumber(1L, 0, myId1);
    mySt.update(cn);
    cn = new ChangeNumber(2L, 0, myId2); // Should not be used inside algo
    mySt.update(cn);
    cn = new ChangeNumber(3L, 0, myId3); // Should not be used inside algo
    mySt.update(cn);

    // Create replication servers info list
    HashMap<Integer, ReplicationServerInfo> rsInfos =
      new HashMap<Integer, ReplicationServerInfo>();

    // State for server 1
    ServerState aState = new ServerState();
    cn = new ChangeNumber(0L, 0, myId1);
    aState.update(cn);
    cn = new ChangeNumber(1L, 0, myId2);
    aState.update(cn);
    cn = new ChangeNumber(1L, 0, myId3);
    aState.update(cn);
    ReplServerStartMsg replServerStartMsg =
      new ReplServerStartMsg(11, WINNER, null, 0, aState, (short)0, 0L,
      false, (byte)1, 0);
    rsInfos.put(11, ReplicationServerInfo.newInstance(replServerStartMsg));
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    final String WINNER  = "localhost:123";
    final String LOOSER1 = "localhost:456";
    final String LOOSER2 = "localhost:789";

    // Create my state
    ServerState mySt = new ServerState();
    ChangeNumber cn = new ChangeNumber(4L, 0, myId1);
    mySt.update(cn);
    cn = new ChangeNumber(2L, 0, myId2); // Should not be used inside algo
    mySt.update(cn);
    cn = new ChangeNumber(3L, 0, myId3); // Should not be used inside algo
    mySt.update(cn);

    // Create replication servers info list
    HashMap<Integer, ReplicationServerInfo> rsInfos =
      new HashMap<Integer, ReplicationServerInfo>();

    // State for server 1
    ServerState aState = new ServerState();
    cn = new ChangeNumber(looser1T1, 0, myId1);
    aState.update(cn);
    cn = new ChangeNumber(looser1T2, 0, myId2);
    aState.update(cn);
    cn = new ChangeNumber(looser1T3, 0, myId3);
    aState.update(cn);
    ReplServerStartMsg replServerStartMsg =
      new ReplServerStartMsg(11, LOOSER1, null, 0, aState, (short)0, 0L,
      false, (byte)1, 0);
    rsInfos.put(11, ReplicationServerInfo.newInstance(replServerStartMsg));
    if (looser1IsLocal)
      ReplicationServer.onlyForTestsAddlocalReplicationServer(LOOSER1);

    // State for server 2
    aState = new ServerState();
    cn = new ChangeNumber(winnerT1, 0, myId1);
    aState.update(cn);
    cn = new ChangeNumber(winnerT2, 0, myId2);
    aState.update(cn);
    cn = new ChangeNumber(winnerT3, 0, myId3);
    aState.update(cn);
    replServerStartMsg =
      new ReplServerStartMsg(12, WINNER, null, 0, aState, (short)0, 0L,
      false, (byte)1, 0);
    rsInfos.put(12, ReplicationServerInfo.newInstance(replServerStartMsg));
    if (winnerIsLocal)
      ReplicationServer.onlyForTestsAddlocalReplicationServer(WINNER);

    // State for server 3
    aState = new ServerState();
    cn = new ChangeNumber(looser2T1, 0, myId1);
    aState.update(cn);
    cn = new ChangeNumber(looser2T2, 0, myId2);
    aState.update(cn);
    cn = new ChangeNumber(looser2T3, 0, myId3);
    aState.update(cn);
    replServerStartMsg =
      new ReplServerStartMsg(13, LOOSER2, null, 0, aState, (short)0, 0L,
      false, (byte)1, 0);
    rsInfos.put(13, ReplicationServerInfo.newInstance(replServerStartMsg));
    if (looser2IsLocal)
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    final String WINNER  = "localhost:123";
    final String LOOSER1 = "localhost:456";
    final String LOOSER2 = "localhost:789";

    // Create my state
    ServerState mySt = new ServerState();
    ChangeNumber cn = new ChangeNumber(4L, 0, myId1);
    mySt.update(cn);

    // Create replication servers info list
    HashMap<Integer, ReplicationServerInfo> rsInfos =
      new HashMap<Integer, ReplicationServerInfo>();

    // State for server 1
    ServerState aState = new ServerState();
    cn = new ChangeNumber(looser1T1, 0, myId1);
    aState.update(cn);
    ReplServerStartMsg replServerStartMsg =
      new ReplServerStartMsg(11, LOOSER1, null, 0, aState, (short)0, looser1GenId,
      false, looser1GroupId, 0);
    rsInfos.put(11, ReplicationServerInfo.newInstance(replServerStartMsg));
    if (looser1IsLocal)
      ReplicationServer.onlyForTestsAddlocalReplicationServer(LOOSER1);

    // State for server 2
    aState = new ServerState();
    cn = new ChangeNumber(winnerT1, 0, myId1);
    aState.update(cn);
    replServerStartMsg =
      new ReplServerStartMsg(12, WINNER, null, 0, aState, (short)0, winnerGenId,
      false, winnerGroupId, 0);
    rsInfos.put(12, ReplicationServerInfo.newInstance(replServerStartMsg));
    if (winnerIsLocal)
      ReplicationServer.onlyForTestsAddlocalReplicationServer(WINNER);

    // State for server 3
    aState = new ServerState();
    cn = new ChangeNumber(looser2T1, 0, myId1);
    aState.update(cn);
    replServerStartMsg =
      new ReplServerStartMsg(13, LOOSER2, null, 0, aState, (short)0, looser2GenId,
      false, looser2GroupId, 0);
    rsInfos.put(13, ReplicationServerInfo.newInstance(replServerStartMsg));
    if (looser2IsLocal)
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    debugInfo("Starting newClientWithFirstChanges");
    /*
     * Create a ServerState updated with the first changes from both servers
     * done in test changelogBasic.
     */
    ServerState state = new ServerState();
    state.update(firstChangeNumberServer1);
    state.update(firstChangeNumberServer2);

    newClientWithChanges(state, secondChangeNumberServer1);
    debugInfo("Ending newClientWithFirstChanges");
  }
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  {
    debugInfo("Starting newClientWithUnknownChanges");
    /*
     * Create a ServerState with wrongChangeNumberServer1
     */
    ServerState state = new ServerState();
    state.update(unknownChangeNumberServer1);
    state.update(secondChangeNumberServer2);

    newClientWithChanges(state, secondChangeNumberServer1);
    debugInfo("Ending newClientWithUnknownChanges");
  }
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  {
    debugInfo("Starting newClientWithChangefromServer1");
    /*
     * Create a ServerState updated with the first change from server 1
     */
    ServerState state = new ServerState();
    state.update(firstChangeNumberServer1);

    newClientWithChanges(state, firstChangeNumberServer2);
    debugInfo("Ending newClientWithChangefromServer1");
  }
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  {
    debugInfo("Starting newClientWithChangefromServer2");
    /*
     * Create a ServerState updated with the first change from server 1
     */
    ServerState state = new ServerState();
    state.update(firstChangeNumberServer2);

    newClientWithChanges(state, firstChangeNumberServer1);
    debugInfo("Ending newClientWithChangefromServer2");
  }
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  {
    debugInfo("Starting newClientLateServer1");
    /*
     * Create a ServerState updated with the first change from server 1
     */
    ServerState state = new ServerState();
    state.update(secondChangeNumberServer2);
    state.update(firstChangeNumberServer1);

    newClientWithChanges(state, secondChangeNumberServer1);
    debugInfo("Ending newClientLateServer1");
  }
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Related Classes of org.nasutekds.server.replication.common.ServerState

  • org.nasutekds.server.replication.common.ServerStateTest
  • org.nasutekds.server.replication.ExternalChangeLogTest
  • org.nasutekds.server.replication.plugin.ComputeBestServerTest
  • org.nasutekds.server.replication.plugin.PendingChange
  • org.nasutekds.server.replication.plugin.PersistentServerState
  • org.nasutekds.server.replication.plugin.PersistentServerStateTest
  • org.nasutekds.server.replication.plugin.StateMachineTest
  • org.nasutekds.server.replication.protocol.MonitorMsg
  • org.nasutekds.server.replication.protocol.ProtocolCompatibilityTest
  • org.nasutekds.server.replication.protocol.ReplServerStartDSMsg
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