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

Package org.nasutekds.server.replication.common

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

org.nasutekds.server.replication.common.ServerState
ServerState class. This object is used to store the last update seen on this server from each server. It is exchanged with the replication servers at connection establishment time.

      for (ServerHandler directlsh : directoryServers.values())
      {
        int serverID = directlsh.getServerId();


        // the state comes from the state stored in the SH
        ServerState directlshState = directlsh.getServerState().duplicate();


        // the max CN sent by that LS also comes from the SH
        ChangeNumber maxcn = directlshState.getMaxChangeNumber(serverID);
        if (maxcn == null)
        {
          // This directly connected LS has never produced any change
          maxcn = new ChangeNumber(0, 0, serverID);
        }
        wrkMonitorData.setMaxCN(serverID, maxcn);
        wrkMonitorData.setLDAPServerState(serverID, directlshState);
        wrkMonitorData.setFirstMissingDate(serverID,
            directlsh.getApproxFirstMissingDate());
      }


      // Then initialize the max CN for the LS that produced something
      // - from our own local db state
      // - whatever they are directly or indirectly connected
      ServerState dbServerState = getDbServerState();
      wrkMonitorData.setRSState(replicationServer.getServerId(), dbServerState);
      Iterator<Integer> it = dbServerState.iterator();
      while (it.hasNext())
      {
        int sid = it.next();
        ChangeNumber storedCN = dbServerState.getMaxChangeNumber(sid);
        wrkMonitorData.setMaxCN(sid, storedCN);
      }


      // Now we have used all available local informations
      // and we need the remote ones.

View Full Code Here

              Integer.toString(msg.getSenderID())));
          return;
        }
        // Here is the RS state : list <serverID, lastChangeNumber>
        // For each LDAP Server, we keep the max CN across the RSes
        ServerState replServerState = msg.getReplServerDbState();
        wrkMonitorData.setMaxCNs(replServerState);


        // store the remote RS states.
        wrkMonitorData.setRSState(msg.getSenderID(), replServerState);


        // Store the remote LDAP servers states
        Iterator<Integer> lsidIterator = msg.ldapIterator();
        while (lsidIterator.hasNext())
        {
          int sid = lsidIterator.next();
          ServerState dsServerState = msg.getLDAPServerState(sid);
          wrkMonitorData.setMaxCNs(dsServerState);
          wrkMonitorData.setLDAPServerState(sid, dsServerState);
          wrkMonitorData.setFirstMissingDate(sid,
            msg.getLDAPApproxFirstMissingDate(sid));
        }

View Full Code Here

   * @return The computed eligible server state.
   */
  public ServerState getEligibleState(ChangeNumber eligibleCN,
      boolean allowOlderThanPurgeDate)
  {
    ServerState result = new ServerState();


    ServerState dbState = this.getDbServerState();


    // The result is initialized from the dbState.
    // From it, we don't want to keep the changes newer than eligibleCN.
    result = dbState.duplicate();


    if (eligibleCN != null)
    {
      Iterator<Integer> it = dbState.iterator();
      while (it.hasNext())
      {
        int sid = it.next();
        DbHandler h = sourceDbHandlers.get(sid);
        ChangeNumber mostRecentDbCN = dbState.getMaxChangeNumber(sid);
        try
        {
          // Is the most recent change in the Db newer than eligible CN ?
          // if yes (like cn15 in the example above, then we have to go back
          // to the Db and look for the change older than  eligible CN (cn14)

View Full Code Here

   * old.
   * @return the start state of the domain.
   */
  public ServerState getStartState()
  {
    ServerState domainStartState = new ServerState();
    for (DbHandler dbHandler : sourceDbHandlers.values())
    {
      domainStartState.update(dbHandler.getFirstChange());
    }
    return domainStartState;
  }

View Full Code Here

  {
    long sidRes = 0;
    long res = 0;


    // Parses the dbState of the domain , server by server
    ServerState dbState = this.getDbServerState();
    Iterator<Integer> serverIDIterator = dbState.iterator();
    while (serverIDIterator.hasNext())
    {
      // process one sid
      int sid = serverIDIterator.next();
      ChangeNumber startCN = null;

View Full Code Here

  {
    long sidRes = 0;
    long res = 0;


    // Parses the dbState of the domain , server by server
    ServerState dbState = this.getDbServerState();
    Iterator<Integer> serverIDIterator = dbState.iterator();
    while (serverIDIterator.hasNext())
    {
      // process one sid
      int sid = serverIDIterator.next();
      ChangeNumber lStartCN =

View Full Code Here

    {
      asn1Reader.readStartSequence();
      // loop on the servers
      while(asn1Reader.hasNextElement())
      {
        ServerState newState = new ServerState();
        int serverId = 0;
        Long outime = (long)0;
        boolean isLDAPServer = false;


        asn1Reader.readStartSequence();
        // loop on the list of CN of the state
        while(asn1Reader.hasNextElement())
        {
          String s = asn1Reader.readOctetStringAsString();
          ChangeNumber cn = new ChangeNumber(s);
          if ((data.replServerDbState != null) && (serverId == 0))
          {
            // we are on the first CN that is a fake CN to store the serverId
            // and the older update time
            serverId = cn.getServerId();
            outime = cn.getTime();
            isLDAPServer = (cn.getSeqnum()>0);
          }
          else
          {
            // we are on a normal CN
            newState.update(cn);
          }
        }
        asn1Reader.readEndSequence();


        if (data.replServerDbState == null)

View Full Code Here


      // then the LDAP server datas
      Set<Integer> servers = data.ldapStates.keySet();
      for (Integer sid : servers)
      {
        ServerState statei = data.ldapStates.get(sid).state;
        Long outime = data.ldapStates.get(sid).approxFirstMissingDate;


        // retrieves the change numbers as an arrayList of ANSN1OctetString
        cnOctetList = statei.toASN1ArrayList();


        writer.writeStartSequence();
        // a fake changenumber helps storing the LDAP server ID
        ChangeNumber cn = new ChangeNumber(outime,1,sid);
        writer.writeOctetString(cn.toString());


        // the changenumbers that make the state
        for (ByteString soci : cnOctetList)
        {
          writer.writeOctetString(soci);
        }


        writer.writeEndSequence();
      }


      // then the RS server datas
      servers = data.rsStates.keySet();
      for (Integer sid : servers)
      {
        ServerState statei = data.rsStates.get(sid).state;
        Long outime = data.rsStates.get(sid).approxFirstMissingDate;


        // retrieves the change numbers as an arrayList of ANSN1OctetString
        cnOctetList = statei.toASN1ArrayList();


        writer.writeStartSequence();
        // a fake changenumber helps storing the LDAP server ID
        ChangeNumber cn = new ChangeNumber(outime,0,sid);
        writer.writeOctetString(cn.toString());

View Full Code Here

  public ReplicationDomain(String serviceID, int serverID,int initWindow)
  {
    this.serviceID = serviceID;
    this.serverID = serverID;
    this.initWindow = initWindow;
    this.state = new ServerState();
    this.generator = new ChangeNumberGenerator(serverID, state);


    domains.put(serviceID, this);
  }

View Full Code Here

   */
  public ReplicationDomain(String serviceID, int serverID)
  {
    this.serviceID = serviceID;
    this.serverID = serverID;
    this.state = new ServerState();
    this.generator = new ChangeNumberGenerator(serverID, state);


    domains.put(serviceID, this);
  }

View Full Code Here

0 1 2 3 4 5 6 7

TOP

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

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.