servermanagerimpl.java

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            entry = (ServerTableEntry) serverTable.get(key);

	    if (debug)
		if (entry == null) {
		    System.out.println( "ServerManagerImpl: getEntry: " +
					"no active server found." ) ;
		} else {
		    System.out.println( "ServerManagerImpl: getEntry: " +
					" active server found " + entry + "." ) ;
		}

            if ((entry != null) && (!entry.isValid())) {
                serverTable.remove(key);
                entry = null;
            }

            if (entry == null) {
		ServerDef serverDef = repository.getServer(serverId);

                entry = new ServerTableEntry( wrapper,
		    serverId, serverDef, initialPort, dbDirName, false, debug);
		serverTable.put(key, entry);
		entry.activate() ;
            }
        }

	return entry ;
    }

    private ServerLocation locateServer (ServerTableEntry entry, String endpointType,
					boolean block)
        throws NoSuchEndPoint, ServerNotRegistered, ServerHeldDown
    {
	ServerLocation location = new ServerLocation() ;

	// if server location is desired, then wait for the server
	// to register back, then return location

	ORBPortInfo [] serverORBAndPortList;
	if (block) {
	    try {
	            serverORBAndPortList = entry.lookup(endpointType);
            } catch (Exception ex) {
		if (debug)
		    System.out.println( "ServerManagerImpl: locateServer: " +
					"server held down" ) ;

	        throw new ServerHeldDown( entry.getServerId() );
	    }

            String host = 
		orb.getLegacyServerSocketManager()
		    .legacyGetEndpoint(LegacyServerSocketEndPointInfo.DEFAULT_ENDPOINT).getHostName();
            location.hostname = host ;
	    int listLength;
	    if (serverORBAndPortList != null) {
	        listLength = serverORBAndPortList.length;
	    } else {
	        listLength = 0;
	    }
	    location.ports = new ORBPortInfo[listLength];
	    for (int i = 0; i < listLength; i++) {
	        location.ports[i] = new ORBPortInfo(serverORBAndPortList[i].orbId,
			serverORBAndPortList[i].port) ;

	        if (debug)
	            System.out.println( "ServerManagerImpl: locateServer: " +
				    "server located at location " +
				    location.hostname + " ORBid  " +
	                            serverORBAndPortList[i].orbId +
	                            " Port " + serverORBAndPortList[i].port) ;
	    }
	}

	return location;
    }

    private ServerLocationPerORB locateServerForORB (ServerTableEntry entry, String orbId,
					boolean block)
        throws InvalidORBid, ServerNotRegistered, ServerHeldDown
    {
	ServerLocationPerORB location = new ServerLocationPerORB() ;

	// if server location is desired, then wait for the server
	// to register back, then return location

	EndPointInfo [] endpointInfoList;
	if (block) {
	    try {
	        endpointInfoList = entry.lookupForORB(orbId);
	    } catch (InvalidORBid ex) {
		throw ex;
            } catch (Exception ex) {
		if (debug)
		    System.out.println( "ServerManagerImpl: locateServerForORB: " +
					"server held down" ) ;

	        throw new ServerHeldDown( entry.getServerId() );
	    }

            String host = 
		orb.getLegacyServerSocketManager()
		    .legacyGetEndpoint(LegacyServerSocketEndPointInfo.DEFAULT_ENDPOINT).getHostName();
            location.hostname = host ;
	    int listLength;
	    if (endpointInfoList != null) {
	        listLength = endpointInfoList.length;
	    } else {
	        listLength = 0;
	    }
	    location.ports = new EndPointInfo[listLength];
	    for (int i = 0; i < listLength; i++) {
	        location.ports[i] = new EndPointInfo(endpointInfoList[i].endpointType,
			endpointInfoList[i].port) ;

	        if (debug)
	            System.out.println( "ServerManagerImpl: locateServer: " +
				    "server located at location " +
				    location.hostname + " endpointType  " +
	                            endpointInfoList[i].endpointType +
	                            " Port " + endpointInfoList[i].port) ;
	    }
	}

	return location;
    }

    public String[] getORBNames(int serverId)
	throws ServerNotRegistered
    {
	try {
	    ServerTableEntry entry = getEntry( serverId ) ;
	    return (entry.getORBList());
	} catch (Exception ex) {
	    throw new ServerNotRegistered(serverId);
	}
    }

    private ServerTableEntry getRunningEntry( int serverId )
	throws ServerNotRegistered
    {
	ServerTableEntry entry = getEntry( serverId ) ;

	try {
	    // this is to see if the server has any listeners
	    ORBPortInfo [] serverORBAndPortList = entry.lookup(IIOP_CLEAR_TEXT.value) ;
	} catch (Exception exc) {
	    return null ;
	}
	return entry;

    }

    public void install( int serverId )
	throws ServerNotRegistered, ServerHeldDown, ServerAlreadyInstalled
    {
	ServerTableEntry entry = getRunningEntry( serverId ) ;
	if (entry != null) {
	    repository.install( serverId ) ;
	    entry.install() ;
	}
    }

    public void uninstall( int serverId )
	throws ServerNotRegistered, ServerHeldDown, ServerAlreadyUninstalled
    {
	ServerTableEntry entry = 
            (ServerTableEntry) serverTable.get( new Integer(serverId) );
        
	if (entry != null) {

            entry = 
                (ServerTableEntry) serverTable.remove(new Integer(serverId));

            if (entry == null) {
                if (debug)
                    System.out.println( "ServerManagerImpl: shutdown for server Id " +
                                    serverId + " throws ServerNotActive." ) ;

                throw new ServerHeldDown( serverId );
            }

	    entry.uninstall();
	}
    }

    public ServerLocation locateServer (int serverId, String endpointType)
        throws NoSuchEndPoint, ServerNotRegistered, ServerHeldDown
    {
	ServerTableEntry entry = getEntry( serverId ) ;
        if (debug)
            System.out.println( "ServerManagerImpl: locateServer called with " +
                                " serverId=" + serverId + " endpointType=" +
				endpointType + " block=true" ) ;

	// passing in entry to eliminate multiple lookups for
	// the same entry in some cases

	return locateServer(entry, endpointType, true);
    }

    /** This method is used to obtain the registered ports for an ORB.
    * This is useful for custom Bad server ID handlers in ORBD.
    */
    public ServerLocationPerORB locateServerForORB (int serverId, String orbId)
        throws InvalidORBid, ServerNotRegistered, ServerHeldDown
    {
	ServerTableEntry entry = getEntry( serverId ) ;

	// passing in entry to eliminate multiple lookups for
	// the same entry in some cases

	if (debug)
	    System.out.println( "ServerManagerImpl: locateServerForORB called with " +
				" serverId=" + serverId + " orbId=" + orbId +
				" block=true" ) ;
	return locateServerForORB(entry, orbId, true);
    }


    public void handle(ObjectKey okey) 
    {
	IOR newIOR = null;
	ServerLocationPerORB location;

	// we need to get the serverid and the orbid from the object key
	ObjectKeyTemplate oktemp = okey.getTemplate();
	int serverId = oktemp.getServerId() ;
	String orbId = oktemp.getORBId() ;

	try {
	    // get the ORBName corresponding to the orbMapid, that was
	    // first registered by the server
	    ServerTableEntry entry = getEntry( serverId ) ;
	    location = locateServerForORB(entry, orbId, true);
             
	    if (debug)
	        System.out.println( "ServerManagerImpl: handle called for server id" +
			serverId + "  orbid  " + orbId) ;

	    // we received a list of ports corresponding to an ORB in a
            // particular server, now retrieve the one corresponding
	    // to IIOP_CLEAR_TEXT, and for other created the tagged
	    // components to be added to the IOR

	    int clearPort = 0;
	    EndPointInfo[] listenerPorts = location.ports;
	    for (int i = 0; i < listenerPorts.length; i++) {
	        if ((listenerPorts[i].endpointType).equals(IIOP_CLEAR_TEXT.value)) {
	            clearPort = listenerPorts[i].port;
	            break;
                }
	    }

	    // create a new IOR with the correct port and correct tagged
            // components
	    IIOPAddress addr = IIOPFactories.makeIIOPAddress( orb, 
		location.hostname, clearPort ) ;
	    IIOPProfileTemplate iptemp = 
		IIOPFactories.makeIIOPProfileTemplate(
                    orb, GIOPVersion.V1_2, addr ) ;
	    if (GIOPVersion.V1_2.supportsIORIIOPProfileComponents()) {
		iptemp.add(IIOPFactories.makeCodeSetsComponent(orb));
		iptemp.add(IIOPFactories.makeMaxStreamFormatVersionComponent());
	    }
	    IORTemplate iortemp = IORFactories.makeIORTemplate(oktemp) ;
	    iortemp.add( iptemp ) ;

	    newIOR = iortemp.makeIOR(orb, "IDL:org/omg/CORBA/Object:1.0", 
		okey.getId() );
	} catch (Exception e) {
	    throw wrapper.errorInBadServerIdHandler( e ) ;
	}

	if (debug)
	    System.out.println( "ServerManagerImpl: handle " +
				"throws ForwardException" ) ;

        
        try {
            // This delay is required in case of Server is activated or 
            // re-activated the first time. Server needs some time before 
            // handling all the requests. 
            // (Talk to Ken to see whether there is a better way of doing this).
            Thread.sleep( serverStartupDelay );
        } catch ( Exception e ) {
            System.out.println( "Exception = " + e );
            e.printStackTrace();
        } 

	throw new ForwardException(orb, newIOR);
    }

    public int getEndpoint(String endpointType) throws NoSuchEndPoint
    {
        return orb.getLegacyServerSocketManager()
	    .legacyGetTransientServerPort(endpointType);
    }

    public int getServerPortForType(ServerLocationPerORB location,
				    String endPointType)
	throws NoSuchEndPoint
    {
	EndPointInfo[] listenerPorts = location.ports;
	for (int i = 0; i < listenerPorts.length; i++) {
	    if ((listenerPorts[i].endpointType).equals(endPointType)) {
		return listenerPorts[i].port;
	    }
	}
	throw new NoSuchEndPoint();
    }

}