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Diffstat (limited to 'TAO/tao/except.cpp')
| -rw-r--r-- | TAO/tao/except.cpp | 448 |
1 files changed, 0 insertions, 448 deletions
diff --git a/TAO/tao/except.cpp b/TAO/tao/except.cpp deleted file mode 100644 index 504dfd259f3..00000000000 --- a/TAO/tao/except.cpp +++ /dev/null @@ -1,448 +0,0 @@ -// @(#)except.cpp 1.11 95/11/04 -// 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" - -// {77420082-F276-11ce-9598-0000C07CA898} -DEFINE_GUID (IID_CORBA_Exception, -0x77420082, 0xf276, 0x11ce, 0x95, 0x98, 0x0, 0x0, 0xc0, 0x7c, 0xa8, 0x98); - -// {77420083-F276-11ce-9598-0000C07CA898} -DEFINE_GUID (IID_CORBA_UserException, -0x77420083, 0xf276, 0x11ce, 0x95, 0x98, 0x0, 0x0, 0xc0, 0x7c, 0xa8, 0x98); - -// {77420084-F276-11ce-9598-0000C07CA898} -DEFINE_GUID (IID_CORBA_SystemException, -0x77420084, 0xf276, 0x11ce, 0x95, 0x98, 0x0, 0x0, 0xc0, 0x7c, 0xa8, 0x98); - -CORBA_Exception::CORBA_Exception (CORBA::TypeCode_ptr tc) - : _type (tc), - refcount_ (1) -{ - if (_type) - _type->AddRef (); - assert (_type != 0); - assert (refcount_ > 0); -} - -CORBA_Exception::CORBA_Exception (const CORBA_Exception &src) - : _type (src._type), - refcount_ (1) -{ - if (_type) - _type->AddRef (); - assert (_type != 0); - assert (refcount_ > 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 (refcount_ == 0); - assert (_type != 0); - - assert (1 == 2); -} - -CORBA_Exception & -CORBA_Exception::operator = (const CORBA_Exception &src) -{ - if (_type) - _type->Release (); - _type = src._type; - if (_type) - _type->AddRef (); - assert (_type != 0); - assert (refcount_ > 0); - - return *this; -} - -TAO_CONST CORBA::String -CORBA_Exception::id (void) const -{ - CORBA::Environment env; - - assert (refcount_ > 0); - if (_type) - return _type->id (env); - else - return 0; -} - -TAO_CONST CORBA::TypeCode_ptr -CORBA_Exception::type (void) const -{ - assert (refcount_ > 0); - return _type; -} - -// For COM -- IUnKnown operations - -ULONG __stdcall -CORBA_Exception::AddRef (void) -{ - ACE_MT (ACE_GUARD_RETURN (ACE_SYNCH_MUTEX, guard, lock_, 0)); - - assert (refcount_ > 0); - return ++refcount_; -} - -ULONG __stdcall -CORBA_Exception::Release (void) -{ - { - ACE_MT (ACE_GUARD_RETURN (ACE_SYNCH_MUTEX, guard, lock_, 0)); - - assert (refcount_ > 0); - refcount_--; - if (refcount_ != 0) - return refcount_; - - } - - // CORBA::TypeCode_ptr tc = _type->_duplicate (); - - CORBA::Any free_it_all (_type, this, CORBA::B_TRUE); - - // tc->Release (); - - return 0; -} - -HRESULT __stdcall -CORBA_Exception::QueryInterface (REFIID riid, - void **ppv) -{ - assert (refcount_ > 0); - *ppv = 0; - - if (IID_CORBA_Exception == riid || IID_IUnknown == riid) - *ppv = this; - - // XXX this approach needs modifying to enable returning - // UserException, SystemException, and other kinds of pointers. - - if (*ppv == 0) - return ResultFromScode (E_NOINTERFACE); - - (void) AddRef (); - return NOERROR; -} - -// 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_SystemException::CORBA_SystemException (CORBA::TypeCode_ptr tc, - CORBA::ULong code, - CORBA::CompletionStatus completed) - : CORBA_Exception (tc), - _minor (code), - _completed (completed) -{ -} - -CORBA_SystemException::~CORBA_SystemException (void) -{ -} - -#define NUM_SYS_EXCEPTIONS 26 // update correctly! -#define TC_BUFLEN 160 // preallocated tc buffer - -static CORBA::TypeCode_ptr sys_exceptions [NUM_SYS_EXCEPTIONS]; -CORBA::ExceptionList __system_exceptions; - -// Make the TypeCode for a standard exception ... note that "buffer" -// holds the (unscoped) name originally, and is then overwritten. -// -// When used correctly, initializing system exceptions is only an -// exercise in CPU time; it allocates no new memory. - -static void -make_standard_typecode (CORBA::TypeCode_ptr tcp, - const char *name, - unsigned char *buffer, - size_t buflen, - CORBA::Environment &env) -{ - static const char *minor = "minor"; - static const char *completion = "completion"; - - static const unsigned long oc_completion_status [] = - { - TAO_ENCAP_BYTE_ORDER, // byte order flag, tricky - 0, 0, // type ID omitted - 3, // three members - 0, 0, // ... whose names are all omitted - 0, 0, - 0, 0 - }; - static CORBA::TypeCode - tc_completion_status (CORBA::tk_enum, - sizeof oc_completion_status, - (unsigned char *) &oc_completion_status, - CORBA::B_FALSE); - - static const CORBA::TypeCode_ptr completion_status = &tc_completion_status; - - // Create a CDR stream ... juggle the alignment here a bit, we - // know it's good enough for tye typecode. - - CDR stream (0, buflen); - - stream.next = stream.buffer = buffer; - - // 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], *strptr = (char *) &full_id; - - (void) ACE_OS::sprintf (full_id, "IDL:omg.org/CORBA/%s:1.0", name); - assert (strlen (full_id) <= sizeof full_id); - - if (stream.put_byte (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.put_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, - &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! - - sys_exceptions [__system_exceptions.length++] - = new (tcp) CORBA::TypeCode (CORBA::tk_except, - stream.next - stream.buffer, - stream.buffer, CORBA::B_FALSE); - - assert (tcp->length_ <= 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. -// -// XXX this actually doesn't guarantee "natural" alignment, but -// it works that way in most systems. - -#define TAO_SYSTEM_EXCEPTION(name) \ - static long tc_buf_ ## name [TC_BUFLEN / sizeof (long)]; \ - static CORBA::TypeCode tc_std_ ## name (CORBA::tk_except); \ - CORBA::TypeCode_ptr CORBA::_tc_ ## name = &tc_std_ ## name; -STANDARD_EXCEPTION_LIST -#undef TAO_SYSTEM_EXCEPTION - -// Runtime initialization of all standard exception typecodes. Called -// from CORBA::ORB::init (). - -void -__TC_init_standard_exceptions (CORBA::Environment &env) -{ - // Initialize the list of system exceptions, used when - // unmarshaling. - __system_exceptions.length = 0; - __system_exceptions.maximum = NUM_SYS_EXCEPTIONS; - __system_exceptions.buffer = &sys_exceptions [0]; - - // Initialize the typecodes. -#define TAO_SYSTEM_EXCEPTION(name) \ - if (env.exception () == 0) \ - make_standard_typecode (&tc_std_ ## name, #name, \ - (unsigned char *) tc_buf_ ## name, \ - sizeof tc_buf_ ## name, env); - - STANDARD_EXCEPTION_LIST -#undef TAO_SYSTEM_EXCEPTION - } - -#undef STANDARD_EXCEPTION_LIST - -// Static initialization of the two user-defined exceptions that -// are part of the ORB. - -static CORBA::Octet tc_buf_Bounds [] = -{ - 0, 0, 0, 0, // big endian, padded - 0, 0, 0, 38, // strlen (id) + 1 - 'I', 'D', 'L', ':', - 'o', 'm', 'g', '.', - 'o', 'r', 'g', '/', - 'C', 'O', 'R', 'B', - 'A', '/', 'T', 'y', - 'p', 'e', 'C', 'o', - 'd', 'e', '/', 'B', - 'o', 'u', 'n', 'd', - 's', ':', '1', '.', - '0', '\0', 0, 0, - 0, 0, 0, 0 // no members to this typecode -}; - -static CORBA::TypeCode tc_std_Bounds (CORBA::tk_except, - sizeof tc_buf_Bounds, - tc_buf_Bounds, - CORBA::B_FALSE); - -CORBA::TypeCode_ptr CORBA::_tc_Bounds = &tc_std_Bounds; - -static CORBA::Octet tc_buf_BadKind [] = -{ - 0, 0, 0, 0, // big endian, padded - 0, 0, 0, 39, // strlen (id) + 1 - 'I', 'D', 'L', ':', - 'o', 'm', 'g', '.', - 'o', 'r', 'g', '/', - 'C', 'O', 'R', 'B', - 'A', '/', 'T', 'y', - 'p', 'e', 'C', 'o', - 'd', 'e', '/', 'B', - 'a', 'd', 'K', 'i', - 'n', 'd', ':', '1', - '.', '0', '\0', 0, - 0, 0, 0, 0 // no members to this typecode -}; - -static CORBA::TypeCode tc_std_BadKind (CORBA::tk_except, - sizeof tc_buf_BadKind, - tc_buf_BadKind, - CORBA::B_FALSE); -CORBA::TypeCode_ptr CORBA::_tc_BadKind = &tc_std_BadKind; - -// 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/"; - - if (!_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. - - char *id = _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) - 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 -{ - CORBA::String id = this->_exception->id (); - - ACE_DEBUG ((LM_ERROR, "(%P|%t) EXCEPTION, %s\n", info)); - - // XXX get rid of this logic, and rely on some member function - // on Exception to say if it's user or system exception. - - if (ACE_OS::strncmp ((char *) id, "IDL:omg.org/CORBA/", 10) == 0 - && ACE_OS::strncmp ((char *) id, "IDL:omg.org/CORBA/TypeCode/", 19) != 0) - { - // XXX this should be a QueryInterface call instead - CORBA::SystemException *x2 = (CORBA::SystemException *) this->_exception; - - // XXX 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 - // XXX 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)); -} |