diff options
Diffstat (limited to 'TAO/tao/Exception.cpp')
| -rw-r--r-- | TAO/tao/Exception.cpp | 550 |
1 files changed, 0 insertions, 550 deletions
diff --git a/TAO/tao/Exception.cpp b/TAO/tao/Exception.cpp deleted file mode 100644 index c87c23dddc7..00000000000 --- a/TAO/tao/Exception.cpp +++ /dev/null @@ -1,550 +0,0 @@ -// $Id$ - -// Copyright 1994-1995 by Sun Microsystems Inc. -// All Rights Reserved -// -// ORB: Exception handling support -// -// THREADING NOTE: calling thread handles mutual exclusion policy -// on all of these data structures. - -#include "tao/corba.h" - -#if !defined (__ACE_INLINE__) -# include "tao/Exception.i" -#endif /* __ACE_INLINE__ */ - -// Static initializers. - -CORBA::ExceptionList *TAO_Exceptions::system_exceptions; - -// TAO specific typecode -extern CORBA::TypeCode_ptr TC_completion_status; - -void -CORBA_Environment::exception (CORBA::Exception *ex) -{ - if (ex != this->exception_) - { - this->clear (); - this->exception_ = ex; - this->exception_->AddRef (); - } -} - -CORBA_Environment::~CORBA_Environment (void) -{ - this->clear (); -} - -void -CORBA_Environment::clear (void) -{ - if (this->exception_) - this->exception_->Release (); - - this->exception_ = 0; -} - -void -CORBA_Exception::operator delete (void *p) -{ - ::operator delete (p); -} - -CORBA_Environment::CORBA_Environment (void) - : exception_ (0) -{ -} - -void * -CORBA_Exception::operator new (size_t s) -{ - return ::operator new (s); -} - -CORBA_Exception::CORBA_Exception (CORBA::TypeCode_ptr tc) - : type_ (tc), - refcount_ (0) -{ - if (this->type_) - this->type_->AddRef (); - assert (this->type_ != 0); -} - -CORBA_Exception::CORBA_Exception (const CORBA_Exception &src) - : type_ (src.type_), - refcount_ (0) -{ - if (this->type_) - this->type_->AddRef (); - assert (this->type_ != 0); -} - -// NOTE: It's this code, not anything defined in a subclass, which -// is responsible for releasing any storage owned by the exception. -// It can do this because it's got the typecode. - -CORBA_Exception::~CORBA_Exception (void) -{ - assert (this->refcount_ == 0); - assert (this->type_ != 0); -} - -CORBA_Exception & -CORBA_Exception::operator = (const CORBA_Exception &src) -{ - if (this->type_) - this->type_->Release (); - this->type_ = src.type_; - if (this->type_) - this->type_->AddRef (); - assert (this->type_ != 0); - - return *this; -} - -const char * -CORBA_Exception::_id (void) const -{ - CORBA::Environment env; - - if (this->type_) - return this->type_->id (env); - else - return 0; -} - -TAO_CONST CORBA::TypeCode_ptr -CORBA_Exception::_type (void) const -{ - return this->type_; -} - -int -CORBA_Exception::_is_a (const char* repository_id) const -{ - return (ACE_OS::strcmp (repository_id, "IDL:CORBA/Exception:1.0")==0); -} - -CORBA::ULong -CORBA_Exception::AddRef (void) -{ - return ++this->refcount_; -} - -CORBA::ULong -CORBA_Exception::Release (void) -{ - this->refcount_--; - if (this->refcount_ != 0) - return this->refcount_; - - delete this; - - return 0; -} - -// Avoid zillions of not-quite-inlined copies of utilities. - -CORBA_UserException::CORBA_UserException (CORBA::TypeCode_ptr tc) - : CORBA_Exception (tc) -{ -} - -CORBA_UserException::~CORBA_UserException (void) -{ -} - -CORBA_UserException & -CORBA_UserException::operator = (const CORBA_UserException &src) -{ - if (this->type_) - this->type_->Release (); - this->type_ = src.type_; - if (this->type_) - this->type_->AddRef (); - assert (this->type_ != 0); - - return *this; -} - -int -CORBA_UserException::_is_a (const char* interface_id) const -{ - return ACE_OS::strcmp (interface_id, - "IDL:CORBA/UserException:1.0") == 0 - || CORBA_Exception::_is_a (interface_id); -} - -CORBA_UserException* -CORBA_UserException::_narrow (CORBA_Exception* exception) -{ - if (exception->_is_a ("IDL:CORBA/UserException:1.0")) - return ACE_dynamic_cast (CORBA_UserException *, exception); - return 0; -} - -CORBA_SystemException::CORBA_SystemException (CORBA::TypeCode_ptr tc, - CORBA::ULong code, - CORBA::CompletionStatus completed) - : CORBA_Exception (tc), - minor_ (code), - completed_ (completed) -{ -} - -CORBA_SystemException::CORBA_SystemException (const CORBA_SystemException &src) - : CORBA_Exception (src), - minor_ (src.minor_), - completed_ (src.completed_) -{ -} - -CORBA_SystemException::~CORBA_SystemException (void) -{ -} - -CORBA_SystemException & -CORBA_SystemException::operator = (const CORBA_SystemException &src) -{ - if (this->type_) - this->type_->Release (); - this->type_ = src.type_; - if (this->type_) - this->type_->AddRef (); - - this->minor_ = src.minor_; - this->completed_ = src.completed_; - - assert (this->type_ != 0); - - return *this; -} - -int -CORBA_SystemException::_is_a (const char* interface_id) const -{ - return ACE_OS::strcmp (interface_id, - "IDL:CORBA/SystemException:1.0") == 0 - || CORBA_Exception::_is_a (interface_id); -} - -CORBA_SystemException* -CORBA_SystemException::_narrow (CORBA_Exception* exception) -{ - if (exception->_is_a ("IDL:CORBA/SystemException:1.0")) - return ACE_dynamic_cast (CORBA_SystemException*,exception); - return 0; -} - -// Note that "buffer" holds the (unscoped) name originally, and is -// then overwritten. - -void -TAO_Exceptions::make_standard_typecode (CORBA::TypeCode_ptr &tcp, - const char *name, - char *buffer, - size_t buflen, - CORBA::Environment &env) -{ - // This function must only be called ONCE, and with a global lock - // held! The <CORBA::ORB_init> method is responsible for ensuring - // this. - static const char *minor = "minor"; - static const char *completion = "completion"; - - // Create a CDR stream ... juggle the alignment here a bit, we know - // it's good enough for the typecode. - - TAO_OutputCDR stream (buffer, buflen); - - // into CDR stream, stuff (in order): - // - byte order flag [4 bytes] - // - exception ID [27 + N bytes] - // - exception name [4 + N bytes ] - // - number of members (2) [4 bytes ] - // - foreach member, { name string, typecode } [~40 bytes] - - char full_id[100]; - char *strptr = full_id; - - (void) ACE_OS::sprintf (full_id, - "IDL:omg.org/CORBA/%s:1.0", - name); - // @@ Should this really be an assert or should we deal with it via - // exceptions? - assert (ACE_OS::strlen (full_id) <= sizeof full_id); - - if (stream.write_octet (TAO_ENCAP_BYTE_ORDER) != CORBA::B_TRUE - || stream.encode (CORBA::_tc_string, - &strptr, 0, - env) != CORBA::TypeCode::TRAVERSE_CONTINUE - || stream.encode (CORBA::_tc_string, - &name, 0, - env) != CORBA::TypeCode::TRAVERSE_CONTINUE - || stream.write_ulong (2L) != CORBA::B_TRUE - || stream.encode (CORBA::_tc_string, - &minor, 0, - env) != CORBA::TypeCode::TRAVERSE_CONTINUE - || stream.encode (CORBA::_tc_TypeCode, - &CORBA::_tc_ulong, 0, - env) != CORBA::TypeCode::TRAVERSE_CONTINUE - || stream.encode (CORBA::_tc_string, - &completion, 0, - env) != CORBA::TypeCode::TRAVERSE_CONTINUE - || stream.encode (CORBA::_tc_TypeCode, - &TC_completion_status, 0, - env) != CORBA::TypeCode::TRAVERSE_CONTINUE) { - env.exception (new CORBA_INITIALIZE (CORBA::COMPLETED_NO)); - return; - } - - // OK, we stuffed the buffer we were given (or grew a bigger one; - // hope to avoid that during initialization). Now build and return - // a TypeCode, saving it away in the list of ones that the ORB will - // always accept as part of any operation response! - - tcp = new CORBA::TypeCode (CORBA::tk_except, - stream.length (), - stream.buffer (), - CORBA::B_TRUE); - - TAO_Exceptions::system_exceptions->add (tcp); - assert (tcp->length_ <= TAO_Exceptions::TC_BUFLEN); - return; -} - -// List of standard/system exceptions ... used to create static -// storage for their typecodes, then later to initialize that storage -// using the routine above. (It's just too painful to init these -// typecodes statically in all cases!) - -#define STANDARD_EXCEPTION_LIST \ - TAO_SYSTEM_EXCEPTION (UNKNOWN) \ - TAO_SYSTEM_EXCEPTION (BAD_PARAM) \ - TAO_SYSTEM_EXCEPTION (NO_MEMORY) \ - TAO_SYSTEM_EXCEPTION (IMP_LIMIT) \ - TAO_SYSTEM_EXCEPTION (COMM_FAILURE) \ - TAO_SYSTEM_EXCEPTION (INV_OBJREF) \ - TAO_SYSTEM_EXCEPTION (OBJECT_NOT_EXIST) \ - TAO_SYSTEM_EXCEPTION (NO_PERMISSION) \ - TAO_SYSTEM_EXCEPTION (INTERNAL) \ - TAO_SYSTEM_EXCEPTION (MARSHAL) \ - TAO_SYSTEM_EXCEPTION (INITIALIZE) \ - TAO_SYSTEM_EXCEPTION (NO_IMPLEMENT) \ - TAO_SYSTEM_EXCEPTION (BAD_TYPECODE) \ - TAO_SYSTEM_EXCEPTION (BAD_OPERATION) \ - TAO_SYSTEM_EXCEPTION (NO_RESOURCES) \ - TAO_SYSTEM_EXCEPTION (NO_RESPONSE) \ - TAO_SYSTEM_EXCEPTION (PERSIST_STORE) \ - TAO_SYSTEM_EXCEPTION (BAD_INV_ORDER) \ - TAO_SYSTEM_EXCEPTION (TRANSIENT) \ - TAO_SYSTEM_EXCEPTION (FREE_MEM) \ - TAO_SYSTEM_EXCEPTION (INV_IDENT) \ - TAO_SYSTEM_EXCEPTION (INV_FLAG) \ - TAO_SYSTEM_EXCEPTION (INTF_REPOS) \ - TAO_SYSTEM_EXCEPTION (BAD_CONTEXT) \ - TAO_SYSTEM_EXCEPTION (OBJ_ADAPTER) \ - TAO_SYSTEM_EXCEPTION (DATA_CONVERSION) - -// Declare static storage for these ... the buffer is "naturally" -// aligned and overwritten. -// -// @@ this actually doesn't guarantee "natural" alignment, but -// it works that way in most systems. - -#define TAO_SYSTEM_EXCEPTION(name) \ - static CORBA::Long tc_buf_ ## name [TAO_Exceptions::TC_BUFLEN / sizeof (long)]; \ - CORBA::TypeCode_ptr CORBA::_tc_ ## name; -STANDARD_EXCEPTION_LIST -#undef TAO_SYSTEM_EXCEPTION - -// static CORBA::TypeCode tc_std_ ## name (CORBA::tk_except); -// CORBA::TypeCode_ptr CORBA::_tc_ ## name = &tc_std_ ## name; - -void -TAO_Exceptions::init (CORBA::Environment &env) -{ - // Initialize the list of system exceptions, used when unmarshaling. - ACE_NEW (TAO_Exceptions::system_exceptions, - CORBA::ExceptionList); - -#define TAO_SYSTEM_EXCEPTION(name) \ - if (env.exception () == 0) \ - TAO_Exceptions::make_standard_typecode (CORBA::_tc_ ## name, #name, \ - (char *) tc_buf_ ## name, \ - sizeof tc_buf_ ## name, env); - STANDARD_EXCEPTION_LIST -#undef TAO_SYSTEM_EXCEPTION - - // Register POA exceptions as system exceptions - TAO_Exceptions::system_exceptions->add (PortableServer::_tc_ForwardRequest); - TAO_Exceptions::system_exceptions->add (PortableServer::POAManager::_tc_AdapterInactive); - TAO_Exceptions::system_exceptions->add (PortableServer::POA::_tc_AdapterAlreadyExists); - TAO_Exceptions::system_exceptions->add (PortableServer::POA::_tc_AdapterInactive); - TAO_Exceptions::system_exceptions->add (PortableServer::POA::_tc_AdapterNonExistent); - TAO_Exceptions::system_exceptions->add (PortableServer::POA::_tc_InvalidPolicy); - TAO_Exceptions::system_exceptions->add (PortableServer::POA::_tc_NoServant); - TAO_Exceptions::system_exceptions->add (PortableServer::POA::_tc_ObjectAlreadyActive); - TAO_Exceptions::system_exceptions->add (PortableServer::POA::_tc_ObjectNotActive); - TAO_Exceptions::system_exceptions->add (PortableServer::POA::_tc_ServantAlreadyActive); - TAO_Exceptions::system_exceptions->add (PortableServer::POA::_tc_ServantNotActive); - TAO_Exceptions::system_exceptions->add (PortableServer::POA::_tc_WrongAdapter); - TAO_Exceptions::system_exceptions->add (PortableServer::POA::_tc_WrongPolicy ); - TAO_Exceptions::system_exceptions->add (PortableServer::Current::_tc_NoContext); -} - -void -TAO_Exceptions::fini (void) -{ - delete TAO_Exceptions::system_exceptions; -} - -#define TAO_SYSTEM_EXCEPTION(name) \ -int \ -CORBA_##name ::_is_a (const char* interface_id) const \ -{ \ - return ((ACE_OS::strcmp (interface_id, "IDL:CORBA/" #name "1.0")==0) \ - || CORBA_SystemException::_is_a (interface_id)); \ -} -STANDARD_EXCEPTION_LIST -#undef TAO_SYSTEM_EXCEPTION - -#define TAO_SYSTEM_EXCEPTION(name) \ -CORBA_##name * \ -CORBA_##name ::_narrow (CORBA_Exception* exception) \ -{ \ - if (exception->_is_a ("IDL:CORBA/" #name "1.0")) \ - return ACE_dynamic_cast (CORBA_##name *, exception); \ - return 0; \ -} -STANDARD_EXCEPTION_LIST -#undef TAO_SYSTEM_EXCEPTION - -#undef STANDARD_EXCEPTION_LIST - -// Convenience -- say if the exception is a system exception or not. - -CORBA::ExceptionType -CORBA::Environment::exception_type (void) const -{ - static char sysex_prefix [] = "IDL:omg.org/CORBA/"; - static char typecode_extra [] = "TypeCode/"; - static char poa_prefix [] = "IDL:PortableServer/"; - - if (!this->exception_) - return CORBA::NO_EXCEPTION; - - // All exceptions currently (CORBA 2.0) defined in the CORBA - // scope are system exceptions ... except for a couple that - // are related to TypeCodes. - - const char *id = this->exception_->_id (); - - if ((ACE_OS::strncmp (id, sysex_prefix, sizeof sysex_prefix - 1) == 0 - && ACE_OS::strncmp (id + sizeof sysex_prefix - 1, - typecode_extra, sizeof typecode_extra - 1) != 0) - || ACE_OS::strncmp (id, poa_prefix, sizeof poa_prefix - 1) == 0) - return CORBA::SYSTEM_EXCEPTION; - - return CORBA::USER_EXCEPTION; -} - -// Diagnostic utility routine: describe the exception onto the -// standard I/O stream passed as a parameter. - -void -CORBA::Environment::print_exception (const char *info, - FILE *) const -{ - const char *id = this->exception_->_id (); - - ACE_DEBUG ((LM_ERROR, "(%P|%t) EXCEPTION, %s\n", info)); - - // @@ get rid of this logic, and rely on some member function on - // Exception to say if it's user or system exception. - - if (this->exception_type () == CORBA::SYSTEM_EXCEPTION) - { - // @@ this should be a QueryInterface call instead. - CORBA::SystemException *x2 = - (CORBA::SystemException *) this->exception_; - - // @@ there are a other few "user exceptions" in the CORBA - // scope, they're not all standard/system exceptions ... really - // need to either compare exhaustively against all those IDs - // (yeech) or (preferably) to represent the exception type - // directly in the exception value so it can be queried. - - ACE_DEBUG ((LM_ERROR, - "(%P|%t) system exception, ID '%s'\n", - id)); - ACE_DEBUG ((LM_ERROR, - "(%P|%t) minor code = %x, completed = %s\n", - x2->minor (), - (x2->completion () == CORBA::COMPLETED_YES) ? "YES" : - (x2->completion () == CORBA::COMPLETED_NO) ? "NO" : - (x2->completion () == CORBA::COMPLETED_MAYBE) ? "MAYBE" : - "garbage")); - } - else - // @@ we can use the exception's typecode to dump all the data - // held within it ... - - ACE_DEBUG ((LM_ERROR, - "(%P|%t) user exception, ID '%s'\n", - id)); -} - -CORBA_ExceptionList::CORBA_ExceptionList (CORBA::ULong len, - CORBA::TypeCode_ptr *tc_list) -{ - for (CORBA::ULong i=0; i < len; i++) - this->add (tc_list [i]); -} - -void -CORBA_ExceptionList::add (CORBA::TypeCode_ptr tc) -{ - this->tc_list_.enqueue_tail (CORBA::TypeCode::_duplicate (tc)); -} - -void -CORBA_ExceptionList::add_consume (CORBA::TypeCode_ptr tc) -{ - this->tc_list_.enqueue_tail (tc); -} - -CORBA::TypeCode_ptr -CORBA_ExceptionList::item (CORBA::ULong index, - CORBA::Environment &env) -{ - CORBA::TypeCode_ptr *tc; - env.clear (); - if (this->tc_list_.get (tc, index) == -1) - { - env.exception (new CORBA::TypeCode::Bounds); - return 0; - } - else - { - return CORBA::TypeCode::_duplicate (*tc); - } -} -void -CORBA_ExceptionList::remove (CORBA::ULong index, CORBA::Environment &env) -{ - // unimplemented - env.clear (); -} - -#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION) -template class ACE_Node<CORBA::TypeCode_ptr>; -template class ACE_Unbounded_Queue<CORBA::TypeCode_ptr>; -template class ACE_Unbounded_Queue_Iterator<CORBA::TypeCode_ptr>; -#elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA) -#pragma instantiate ACE_Node<CORBA::TypeCode_ptr> -#pragma instantiate ACE_Unbounded_Queue<CORBA::TypeCode_ptr> -#pragma instantiate ACE_Unbounded_Queue_Iterator<CORBA::TypeCode_ptr> -#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */ |