1 /*
   2  * Copyright (c) 2002, 2004, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.corba.se.spi.orb;
  27 
  28 import java.util.Map ;
  29 import java.util.HashMap ;
  30 import java.util.Properties ;
  31 import java.util.concurrent.ConcurrentHashMap;
  32 import java.util.logging.Logger ;
  33 
  34 import java.security.AccessController ;
  35 import java.security.PrivilegedAction ;
  36 
  37 import org.omg.CORBA.TCKind ;
  38 
  39 import com.sun.corba.se.pept.broker.Broker ;
  40 import com.sun.corba.se.pept.transport.ByteBufferPool;
  41 
  42 import com.sun.corba.se.spi.protocol.RequestDispatcherRegistry ;
  43 import com.sun.corba.se.spi.protocol.ClientDelegateFactory ;
  44 import com.sun.corba.se.spi.protocol.CorbaServerRequestDispatcher ;
  45 import com.sun.corba.se.spi.protocol.CorbaMessageMediator ;
  46 import com.sun.corba.se.spi.protocol.PIHandler ;
  47 import com.sun.corba.se.spi.resolver.LocalResolver ;
  48 import com.sun.corba.se.spi.resolver.Resolver ;
  49 import com.sun.corba.se.spi.transport.CorbaContactInfoListFactory ;
  50 import com.sun.corba.se.spi.legacy.connection.LegacyServerSocketEndPointInfo;
  51 import com.sun.corba.se.spi.legacy.connection.LegacyServerSocketManager;
  52 import com.sun.corba.se.spi.monitoring.MonitoringConstants;
  53 import com.sun.corba.se.spi.monitoring.MonitoringManager;
  54 import com.sun.corba.se.spi.monitoring.MonitoringManagerFactory;
  55 import com.sun.corba.se.spi.monitoring.MonitoringFactories;
  56 
  57 import com.sun.corba.se.spi.ior.IdentifiableFactoryFinder ;
  58 import com.sun.corba.se.spi.ior.TaggedComponentFactoryFinder ;
  59 import com.sun.corba.se.spi.ior.ObjectKey ;
  60 import com.sun.corba.se.spi.ior.ObjectKeyFactory ;
  61 import com.sun.corba.se.spi.ior.IOR ;
  62 
  63 import com.sun.corba.se.spi.orbutil.closure.Closure ;
  64 
  65 import com.sun.corba.se.spi.orb.Operation ;
  66 import com.sun.corba.se.spi.orb.ORBData ;
  67 import com.sun.corba.se.spi.orb.ORBVersion ;
  68 import com.sun.corba.se.spi.orbutil.threadpool.ThreadPoolManager;
  69 
  70 import com.sun.corba.se.spi.oa.OAInvocationInfo ;
  71 import com.sun.corba.se.spi.transport.CorbaTransportManager;
  72 
  73 import com.sun.corba.se.spi.logging.LogWrapperFactory ;
  74 import com.sun.corba.se.spi.logging.LogWrapperBase ;
  75 import com.sun.corba.se.spi.logging.CORBALogDomains ;
  76 
  77 import com.sun.corba.se.spi.copyobject.CopierManager ;
  78 
  79 import com.sun.corba.se.spi.presentation.rmi.PresentationManager ;
  80 import com.sun.corba.se.spi.presentation.rmi.PresentationDefaults ;
  81 
  82 import com.sun.corba.se.spi.servicecontext.ServiceContextRegistry ;
  83 
  84 // XXX needs an SPI or else it does not belong here
  85 import com.sun.corba.se.impl.corba.TypeCodeImpl ;
  86 import com.sun.corba.se.impl.corba.TypeCodeFactory ;
  87 
  88 // XXX Should there be a SPI level constants ?
  89 import com.sun.corba.se.impl.orbutil.ORBConstants ;
  90 
  91 import com.sun.corba.se.impl.oa.poa.BadServerIdHandler ;
  92 
  93 import com.sun.corba.se.impl.transport.ByteBufferPoolImpl;
  94 
  95 import com.sun.corba.se.impl.logging.ORBUtilSystemException ;
  96 import com.sun.corba.se.impl.logging.OMGSystemException ;
  97 
  98 import com.sun.corba.se.impl.presentation.rmi.PresentationManagerImpl ;
  99 
 100 import com.sun.corba.se.impl.orbutil.ORBClassLoader ;
 101 
 102 public abstract class ORB extends com.sun.corba.se.org.omg.CORBA.ORB
 103     implements Broker, TypeCodeFactory
 104 {
 105     // As much as possible, this class should be stateless.  However,
 106     // there are a few reasons why it is not:
 107     //
 108     // 1. The ORB debug flags are defined here because they are accessed
 109     //    frequently, and we do not want a cast to the impl just for that.
 110     // 2. typeCodeMap and primitiveTypeCodeConstants are here because they
 111     //    are needed in both ORBImpl and ORBSingleton.
 112     // 3. Logging support is here so that we can avoid problems with
 113     //    incompletely initialized ORBs that need to perform logging.
 114 
 115     // Flag set at compile time to debug flag processing: this can't
 116     // be one of the xxxDebugFlags because it is used to debug the mechanism
 117     // that sets the xxxDebugFlags!
 118     public static boolean ORBInitDebug = false;
 119 
 120     // Currently defined debug flags.  Any additions must be called xxxDebugFlag.
 121     // All debug flags must be public boolean types.
 122     // These are set by passing the flag -ORBDebug x,y,z in the ORB init args.
 123     // Note that x,y,z must not contain spaces.
 124     public boolean transportDebugFlag = false ;
 125     public boolean subcontractDebugFlag = false ;
 126     public boolean poaDebugFlag = false ;
 127     public boolean poaConcurrencyDebugFlag = false ;
 128     public boolean poaFSMDebugFlag = false ;
 129     public boolean orbdDebugFlag = false ;
 130     public boolean namingDebugFlag = false ;
 131     public boolean serviceContextDebugFlag = false ;
 132     public boolean transientObjectManagerDebugFlag = false ;
 133     public boolean giopVersionDebugFlag = false;
 134     public boolean shutdownDebugFlag = false;
 135     public boolean giopDebugFlag = false;
 136     public boolean invocationTimingDebugFlag = false ;
 137 
 138     // SystemException log wrappers.  Protected so that they can be used in
 139     // subclasses.
 140     protected static ORBUtilSystemException staticWrapper ;
 141     protected ORBUtilSystemException wrapper ;
 142     protected OMGSystemException omgWrapper ;
 143 
 144     // This map is needed for resolving recursive type code placeholders
 145     // based on the unique repository id.
 146     // XXX Should this be a WeakHashMap for GC?
 147     private Map typeCodeMap ;
 148 
 149     private TypeCodeImpl[] primitiveTypeCodeConstants ;
 150 
 151     // ByteBufferPool - needed by both ORBImpl and ORBSingleton
 152     ByteBufferPool byteBufferPool;
 153 
 154     // Local testing
 155     // XXX clean this up, probably remove these
 156     public abstract boolean isLocalHost( String hostName ) ;
 157     public abstract boolean isLocalServerId( int subcontractId, int serverId ) ;
 158 
 159     // Invocation stack manipulation
 160     public abstract OAInvocationInfo peekInvocationInfo() ;
 161     public abstract void pushInvocationInfo( OAInvocationInfo info ) ;
 162     public abstract OAInvocationInfo popInvocationInfo() ;
 163 
 164     public abstract CorbaTransportManager getCorbaTransportManager();
 165     public abstract LegacyServerSocketManager getLegacyServerSocketManager();
 166 
 167     // wrapperMap maintains a table of LogWrapper instances used by
 168     // different classes to log exceptions.  The key is a StringPair
 169     // representing LogDomain and ExceptionGroup.
 170     private Map wrapperMap ;
 171 
 172     private static Map staticWrapperMap = new ConcurrentHashMap();
 173 
 174     private MonitoringManager monitoringManager;
 175 
 176     // There is only one instance of the PresentationManager
 177     // that is shared between all ORBs.  This is necessary
 178     // because RMI-IIOP requires the PresentationManager in
 179     // places where no ORB is available, so the PresentationManager
 180     // must be global.  It is initialized here as well.
 181     protected static PresentationManager globalPM = null ;
 182 
 183     static {
 184         staticWrapper = ORBUtilSystemException.get(
 185             CORBALogDomains.RPC_PRESENTATION ) ;
 186 
 187         boolean useDynamicStub =
 188             ((Boolean)AccessController.doPrivileged(
 189                 new PrivilegedAction() {
 190                     public java.lang.Object run() {
 191                         return Boolean.valueOf( Boolean.getBoolean (
 192                             ORBConstants.USE_DYNAMIC_STUB_PROPERTY ) ) ;
 193                     }
 194                 }
 195             )).booleanValue() ;
 196 
 197         PresentationManager.StubFactoryFactory dynamicStubFactoryFactory =
 198             (PresentationManager.StubFactoryFactory)AccessController.doPrivileged(
 199                 new PrivilegedAction() {
 200                     public java.lang.Object run() {
 201                         PresentationManager.StubFactoryFactory sff =
 202                             PresentationDefaults.getProxyStubFactoryFactory() ;
 203 
 204                         String className = System.getProperty(
 205                             ORBConstants.DYNAMIC_STUB_FACTORY_FACTORY_CLASS,
 206                             "com.sun.corba.se.impl.presentation.rmi.bcel.StubFactoryFactoryBCELImpl" ) ;
 207 
 208                         try {
 209                             // First try the configured class name, if any
 210                             Class cls = ORBClassLoader.loadClass( className ) ;
 211                             sff = (PresentationManager.StubFactoryFactory)cls.newInstance() ;
 212                         } catch (Exception exc) {
 213                             // Use the default. Log the error as a warning.
 214                             staticWrapper.errorInSettingDynamicStubFactoryFactory(
 215                                 exc, className ) ;
 216                         }
 217 
 218                         return sff ;
 219                     }
 220                 }
 221             ) ;
 222 
 223         globalPM = new PresentationManagerImpl( useDynamicStub ) ;
 224         globalPM.setStubFactoryFactory( false,
 225             PresentationDefaults.getStaticStubFactoryFactory() ) ;
 226         globalPM.setStubFactoryFactory( true, dynamicStubFactoryFactory ) ;
 227     }
 228 
 229     /** Get the single instance of the PresentationManager
 230      */
 231     public static PresentationManager getPresentationManager()
 232     {
 233         return globalPM ;
 234     }
 235 
 236     /** Get the appropriate StubFactoryFactory.  This
 237      * will be dynamic or static depending on whether
 238      * com.sun.CORBA.ORBUseDynamicStub is true or false.
 239      */
 240     public static PresentationManager.StubFactoryFactory
 241         getStubFactoryFactory()
 242     {
 243         boolean useDynamicStubs = globalPM.useDynamicStubs() ;
 244         return globalPM.getStubFactoryFactory( useDynamicStubs ) ;
 245     }
 246 
 247     protected ORB()
 248     {
 249         // Initialize logging first, since it is needed nearly
 250         // everywhere (for example, in TypeCodeImpl).
 251         wrapperMap = new ConcurrentHashMap();
 252         wrapper = ORBUtilSystemException.get( this,
 253             CORBALogDomains.RPC_PRESENTATION ) ;
 254         omgWrapper = OMGSystemException.get( this,
 255             CORBALogDomains.RPC_PRESENTATION ) ;
 256 
 257         typeCodeMap = new HashMap();
 258 
 259         primitiveTypeCodeConstants = new TypeCodeImpl[] {
 260             new TypeCodeImpl(this, TCKind._tk_null),
 261             new TypeCodeImpl(this, TCKind._tk_void),
 262             new TypeCodeImpl(this, TCKind._tk_short),
 263             new TypeCodeImpl(this, TCKind._tk_long),
 264             new TypeCodeImpl(this, TCKind._tk_ushort),
 265             new TypeCodeImpl(this, TCKind._tk_ulong),
 266             new TypeCodeImpl(this, TCKind._tk_float),
 267             new TypeCodeImpl(this, TCKind._tk_double),
 268             new TypeCodeImpl(this, TCKind._tk_boolean),
 269             new TypeCodeImpl(this, TCKind._tk_char),
 270             new TypeCodeImpl(this, TCKind._tk_octet),
 271             new TypeCodeImpl(this, TCKind._tk_any),
 272             new TypeCodeImpl(this, TCKind._tk_TypeCode),
 273             new TypeCodeImpl(this, TCKind._tk_Principal),
 274             new TypeCodeImpl(this, TCKind._tk_objref),
 275             null,       // tk_struct
 276             null,       // tk_union
 277             null,       // tk_enum
 278             new TypeCodeImpl(this, TCKind._tk_string),
 279             null,       // tk_sequence
 280             null,       // tk_array
 281             null,       // tk_alias
 282             null,       // tk_except
 283             new TypeCodeImpl(this, TCKind._tk_longlong),
 284             new TypeCodeImpl(this, TCKind._tk_ulonglong),
 285             new TypeCodeImpl(this, TCKind._tk_longdouble),
 286             new TypeCodeImpl(this, TCKind._tk_wchar),
 287             new TypeCodeImpl(this, TCKind._tk_wstring),
 288             new TypeCodeImpl(this, TCKind._tk_fixed),
 289             new TypeCodeImpl(this, TCKind._tk_value),
 290             new TypeCodeImpl(this, TCKind._tk_value_box),
 291             new TypeCodeImpl(this, TCKind._tk_native),
 292             new TypeCodeImpl(this, TCKind._tk_abstract_interface)
 293         } ;
 294 
 295         monitoringManager =
 296             MonitoringFactories.getMonitoringManagerFactory( ).
 297                 createMonitoringManager(
 298                 MonitoringConstants.DEFAULT_MONITORING_ROOT,
 299                 MonitoringConstants.DEFAULT_MONITORING_ROOT_DESCRIPTION);
 300     }
 301 
 302     // Typecode support: needed in both ORBImpl and ORBSingleton
 303     public TypeCodeImpl get_primitive_tc(int kind)
 304     {
 305         try {
 306             return primitiveTypeCodeConstants[kind] ;
 307         } catch (Throwable t) {
 308             throw wrapper.invalidTypecodeKind( t, new Integer(kind) ) ;
 309         }
 310     }
 311 
 312     public synchronized void setTypeCode(String id, TypeCodeImpl code)
 313     {
 314         typeCodeMap.put(id, code);
 315     }
 316 
 317     public synchronized TypeCodeImpl getTypeCode(String id)
 318     {
 319         return (TypeCodeImpl)typeCodeMap.get(id);
 320     }
 321 
 322     public MonitoringManager getMonitoringManager( ) {
 323         return monitoringManager;
 324     }
 325 
 326     // Special non-standard set_parameters method for
 327     // creating a precisely controlled ORB instance.
 328     // An ORB created by this call is affected only by
 329     // those properties passes explicitly in props, not by
 330     // the system properties and orb.properties files as
 331     // with the standard ORB.init methods.
 332     public abstract void set_parameters( Properties props ) ;
 333 
 334     // ORB versioning
 335     public abstract ORBVersion getORBVersion() ;
 336     public abstract void setORBVersion( ORBVersion version ) ;
 337 
 338     // XXX This needs a better name
 339     public abstract IOR getFVDCodeBaseIOR() ;
 340 
 341     /**
 342      * Handle a bad server id for the given object key.  This should
 343      * always through an exception: either a ForwardException to
 344      * allow another server to handle the request, or else an error
 345      * indication.  XXX Remove after ORT for ORBD work is integrated.
 346      */
 347     public abstract void handleBadServerId( ObjectKey okey ) ;
 348     public abstract void setBadServerIdHandler( BadServerIdHandler handler ) ;
 349     public abstract void initBadServerIdHandler() ;
 350 
 351     public abstract void notifyORB() ;
 352 
 353     public abstract PIHandler getPIHandler() ;
 354 
 355     public abstract void checkShutdownState();
 356 
 357     // Dispatch support: in the ORB because it is needed for shutdown.
 358     // This is used by the first level server side subcontract.
 359     public abstract boolean isDuringDispatch() ;
 360     public abstract void startingDispatch();
 361     public abstract void finishedDispatch();
 362 
 363     /** Return this ORB's transient server ID.  This is needed for
 364      * initializing object adapters.
 365      */
 366     public abstract int getTransientServerId();
 367 
 368     public abstract ServiceContextRegistry getServiceContextRegistry() ;
 369 
 370     public abstract RequestDispatcherRegistry getRequestDispatcherRegistry();
 371 
 372     public abstract ORBData getORBData() ;
 373 
 374     public abstract void setClientDelegateFactory( ClientDelegateFactory factory ) ;
 375 
 376     public abstract ClientDelegateFactory getClientDelegateFactory() ;
 377 
 378     public abstract void setCorbaContactInfoListFactory( CorbaContactInfoListFactory factory ) ;
 379 
 380     public abstract CorbaContactInfoListFactory getCorbaContactInfoListFactory() ;
 381 
 382     // XXX These next 7 methods should be moved to a ResolverManager.
 383 
 384     /** Set the resolver used in this ORB.  This resolver will be used for list_initial_services
 385      * and resolve_initial_references.
 386      */
 387     public abstract void setResolver( Resolver resolver ) ;
 388 
 389     /** Get the resolver used in this ORB.  This resolver will be used for list_initial_services
 390      * and resolve_initial_references.
 391      */
 392     public abstract Resolver getResolver() ;
 393 
 394     /** Set the LocalResolver used in this ORB.  This LocalResolver is used for
 395      * register_initial_reference only.
 396      */
 397     public abstract void setLocalResolver( LocalResolver resolver ) ;
 398 
 399     /** Get the LocalResolver used in this ORB.  This LocalResolver is used for
 400      * register_initial_reference only.
 401      */
 402     public abstract LocalResolver getLocalResolver() ;
 403 
 404     /** Set the operation used in string_to_object calls.  The Operation must expect a
 405      * String and return an org.omg.CORBA.Object.
 406      */
 407     public abstract void setURLOperation( Operation stringToObject ) ;
 408 
 409     /** Get the operation used in string_to_object calls.  The Operation must expect a
 410      * String and return an org.omg.CORBA.Object.
 411      */
 412     public abstract Operation getURLOperation() ;
 413 
 414     /** Set the ServerRequestDispatcher that should be used for handling INS requests.
 415      */
 416     public abstract void setINSDelegate( CorbaServerRequestDispatcher insDelegate ) ;
 417 
 418     // XXX The next 5 operations should be moved to an IORManager.
 419 
 420     /** Factory finders for the various parts of the IOR: tagged components, tagged
 421      * profiles, and tagged profile templates.
 422      */
 423     public abstract TaggedComponentFactoryFinder getTaggedComponentFactoryFinder() ;
 424     public abstract IdentifiableFactoryFinder getTaggedProfileFactoryFinder() ;
 425     public abstract IdentifiableFactoryFinder getTaggedProfileTemplateFactoryFinder() ;
 426 
 427     public abstract ObjectKeyFactory getObjectKeyFactory() ;
 428     public abstract void setObjectKeyFactory( ObjectKeyFactory factory ) ;
 429 
 430     // Logging SPI
 431 
 432     /**
 433      * Returns the logger based on the category.
 434      */
 435     public Logger getLogger( String domain )
 436     {
 437         ORBData odata = getORBData() ;
 438 
 439         // Determine the correct ORBId.  There are 3 cases:
 440         // 1. odata is null, which happens if we are getting a logger before
 441         //    ORB initialization is complete.  In this case we cannot determine
 442         //    the ORB ID (it's not known yet), so we set the ORBId to
 443         //    _INITIALIZING_.
 444         // 2. odata is not null, so initialization is complete, but ORBId is set to
 445         //    the default "".  To avoid a ".." in
 446         //    the log domain, we simply use _DEFAULT_ in this case.
 447         // 3. odata is not null, ORBId is not "": just use the ORBId.
 448         String ORBId ;
 449         if (odata == null)
 450             ORBId = "_INITIALIZING_" ;
 451         else {
 452             ORBId = odata.getORBId() ;
 453             if (ORBId.equals(""))
 454                 ORBId = "_DEFAULT_" ;
 455         }
 456 
 457         return getCORBALogger( ORBId, domain ) ;
 458     }
 459 
 460     public static Logger staticGetLogger( String domain )
 461     {
 462         return getCORBALogger( "_CORBA_", domain ) ;
 463     }
 464 
 465     private static Logger getCORBALogger( String ORBId, String domain )
 466     {
 467         String fqLogDomain = CORBALogDomains.TOP_LEVEL_DOMAIN + "." +
 468             ORBId + "." + domain;
 469 
 470         return Logger.getLogger( fqLogDomain, ORBConstants.LOG_RESOURCE_FILE );
 471     }
 472 
 473     /** get the log wrapper class (its type is dependent on the exceptionGroup) for the
 474      * given log domain and exception group in this ORB instance.
 475      */
 476     public LogWrapperBase getLogWrapper( String logDomain,
 477         String exceptionGroup, LogWrapperFactory factory )
 478     {
 479         StringPair key = new StringPair( logDomain, exceptionGroup ) ;
 480 
 481         LogWrapperBase logWrapper = (LogWrapperBase)wrapperMap.get( key );
 482         if (logWrapper == null) {
 483             logWrapper = factory.create( getLogger( logDomain ) );
 484             wrapperMap.put( key, logWrapper );
 485         }
 486 
 487         return logWrapper;
 488     }
 489 
 490     /** get the log wrapper class (its type is dependent on the exceptionGroup) for the
 491      * given log domain and exception group in this ORB instance.
 492      */
 493     public static LogWrapperBase staticGetLogWrapper( String logDomain,
 494         String exceptionGroup, LogWrapperFactory factory )
 495     {
 496         StringPair key = new StringPair( logDomain, exceptionGroup ) ;
 497 
 498         LogWrapperBase logWrapper = (LogWrapperBase)staticWrapperMap.get( key );
 499         if (logWrapper == null) {
 500             logWrapper = factory.create( staticGetLogger( logDomain ) );
 501             staticWrapperMap.put( key, logWrapper );
 502         }
 503 
 504         return logWrapper;
 505     }
 506 
 507     // get a reference to a ByteBufferPool, a pool of NIO ByteBuffers
 508     // NOTE: ByteBuffer pool must be unique per ORB, not per process.
 509     //       There can be more than one ORB per process.
 510     //       This method must also be inherited by both ORB and ORBSingleton.
 511     public ByteBufferPool getByteBufferPool()
 512     {
 513         if (byteBufferPool == null)
 514             byteBufferPool = new ByteBufferPoolImpl(this);
 515 
 516         return byteBufferPool;
 517     }
 518 
 519     public abstract void setThreadPoolManager(ThreadPoolManager mgr);
 520 
 521     public abstract ThreadPoolManager getThreadPoolManager();
 522 
 523     public abstract CopierManager getCopierManager() ;
 524 }
 525 
 526 // End of file.