diff options
Diffstat (limited to 'TAO/tao/svrrqst.cpp')
| -rw-r--r-- | TAO/tao/svrrqst.cpp | 397 |
1 files changed, 0 insertions, 397 deletions
diff --git a/TAO/tao/svrrqst.cpp b/TAO/tao/svrrqst.cpp deleted file mode 100644 index b6e5761ff51..00000000000 --- a/TAO/tao/svrrqst.cpp +++ /dev/null @@ -1,397 +0,0 @@ -// $Id$ - -// @(#)svrrqst.cpp 1.9 95/11/04 -// Copyright 1994-1995 by Sun Microsystems Inc. -// All Rights Reserved -// -// Implementation of the Dynamic Server Skeleton Interface - -#include "tao/corba.h" - -// {77420086-F276-11ce-9598-0000C07CA898} -DEFINE_GUID (IID_IIOP_ServerRequest, -0x77420086, 0xf276, 0x11ce, 0x95, 0x98, 0x0, 0x0, 0xc0, 0x7c, 0xa8, 0x98); - -// {4B48D881-F7F0-11ce-9598-0000C07CA898} -DEFINE_GUID (IID_CORBA_ServerRequest, -0x4b48d881, 0xf7f0, 0x11ce, 0x95, 0x98, 0x0, 0x0, 0xc0, 0x7c, 0xa8, 0x98); - -IIOP_ServerRequest::IIOP_ServerRequest (CDR *req, - CDR *resp, - CORBA::ULong reqid, - CORBA::ORB_ptr the_orb, - TAO_POA *the_poa) - : incoming_ (req), - outgoing_ (resp), - reqid_ (reqid), - params_ (0), - retval_ (0), - exception_ (0), - ex_type_ (CORBA::NO_EXCEPTION), - refcount_ (1), - orb_ (the_orb), - poa_ (the_poa) -{ -} - -IIOP_ServerRequest::~IIOP_ServerRequest (void) -{ - ACE_ASSERT (refcount_ == 0); - - if (params_) - CORBA::release (params_); - if (retval_) - delete retval_; - if (exception_) - delete exception_; -} - -ULONG -IIOP_ServerRequest::AddRef (void) -{ - ACE_ASSERT (refcount_ > 0); - return refcount_++; -} - -ULONG -IIOP_ServerRequest::Release (void) -{ - { - ACE_ASSERT (this != 0); - - if (--refcount_ != 0) - return refcount_; - } - - delete this; - return 0; -} - -TAO_HRESULT -IIOP_ServerRequest::QueryInterface (REFIID riid, - void **ppv) -{ - ACE_ASSERT (refcount_ > 0); - *ppv = 0; - - if (IID_IIOP_ServerRequest == riid - || IID_CORBA_ServerRequest == riid - || IID_TAO_IUnknown == riid) - *ppv = this; - - if (*ppv == 0) - return ResultFromScode (TAO_E_NOINTERFACE); - - (void) AddRef (); - return TAO_NOERROR; -} - -// Unmarshal in/inout params, and set up to marshal the appropriate -// inout/out/return values later on. - -void -IIOP_ServerRequest::params (CORBA::NVList_ptr list, - CORBA::Environment &env) -{ - env.clear (); - - // Save params for later use when marshaling the reply. - this->params_ = list; - - // Then unmarshal each "in" and "inout" parameter. - for (u_int i = 0; i < list->count (); i++) - { - CORBA::NamedValue_ptr nv = list->item (i, env); - - if (ACE_BIT_DISABLED (nv->flags (), CORBA::ARG_IN | CORBA::ARG_INOUT)) - continue; - - // First, make sure the memory into which we'll be unmarshaling - // exists, and is the right size. - // - // NOTE: desirable to have a way to let the dynamic - // implementation routine preallocate this data, for - // environments where DSI is just being used in lieu of a - // language mapped server-side API and the size is really - // knowable in advance. - - CORBA::Any_ptr any = nv->value (); - CORBA::TypeCode_ptr tc = any->type (); - - tc->AddRef (); - - void *value; - if (!any->value ()) - { // not preallocated - ACE_NEW (value, char [tc->size (env)]); - - any->replace (tc, value, CORBA::B_TRUE, env); - - // Decrement the refcount of "tc". - // - // The earlier AddRef is needed since Any::replace () releases - // the typecode inside the Any. Without the dup, the reference - // count can go to zero, and the typecode would then be deleted. - // - // This Release ensures that the reference count is correct so - // the typecode can be deleted some other time. - - tc->Release (); - } - else - value = (void *)any->value (); - - // Then just unmarshal the value. - (void) incoming_->decode (tc, value, 0, env); - } - - // If any data is left over, it'd be context values ... else error. - // We don't support context values, so it's always an error. - - if (incoming_->bytes_remaining () != 0) - { - dmsg1 ("params (), %d bytes remaining (error)", - incoming_->bytes_remaining ()); - env.exception (new CORBA::BAD_PARAM (CORBA::COMPLETED_NO)); - } -} - -// Store the result value. There's either an exception, or a result, -// but not both of them. Results (and exceptions) can be reported -// only after the parameter list has been provided (maybe empty). - -void -IIOP_ServerRequest::result (CORBA::Any_ptr value, - CORBA::Environment &env) -{ - env.clear (); - - if (!params_ || retval_ || exception_) - env.exception (new CORBA::BAD_INV_ORDER (CORBA::COMPLETED_NO)); - else - retval_ = value; - - // XXX send the message now! -} - -// Store the exception value. - -void -IIOP_ServerRequest::exception (CORBA::ExceptionType type, - CORBA::Any_ptr value, - CORBA::Environment &env) -{ - if (!params_ || retval_ || exception_) - env.exception (new CORBA::BAD_INV_ORDER (CORBA::COMPLETED_NO)); - else - { - env.clear (); - exception_ = value; - ex_type_ = type; - } - - // XXX send the message now! -} - -// Invocation attributes. - -CORBA::String -IIOP_ServerRequest::op_name (void) -{ - return opname_; -} - -CORBA::Object_ptr -IIOP_ServerRequest::target (void) -{ - // XXX implement me!! Code from TCP_OA exists ... - return 0; -} - -CORBA::Principal_ptr -IIOP_ServerRequest::caller (void) -{ - // XXX ... return client's principal - return 0; -} - -CORBA::ORB_ptr -IIOP_ServerRequest::orb (void) -{ - return orb_; -} - -TAO_POA * -IIOP_ServerRequest::oa (void) -{ - return poa_; -} - -// Extension -void -IIOP_ServerRequest::demarshal (CORBA::Environment &env, // exception reporting - const TAO_Call_Data_Skel *info, // call description - ...) // ... any parameters -{ - // first find out the size of the list to be created. info->count keeps track - // of the table size. If "roundtrip" is true => one entry is for RETURN type - // which does not go into the NVList - CORBA::ULong list_size = info->is_roundtrip ? (info->param_count - 1) - : info->param_count; - CORBA::NVList_ptr nvlist; - - // create an NVList of the appropriate size - this->orb ()->create_list (list_size, nvlist); - - // Now, put all "in" and "inout" parameters into the NVList - CORBA::ULong i; - - // setup the variable argument list - const TAO_Param_Data_Skel *pdp; - va_list param_vector; - va_start (param_vector, info); - - for (i = 0, pdp = info->params; - i < info->param_count; - i++, pdp++) - { - void *ptr = va_arg (param_vector, void *); - - if ((pdp->mode == CORBA::ARG_IN) - || (pdp->mode == CORBA::ARG_INOUT)) - { - // populate the NVList - (void) nvlist->add_item (0, pdp->mode, env) - ->value ()->replace (pdp->tc, ptr, pdp->own, env); - } - else if (pdp->mode == CORBA::ARG_OUT) - { - (void) nvlist->add_item (0, pdp->mode, env); - // don't add any value - } - } - va_end (param_vector); - - // now demarshal the parameters using a call to params - this->params (nvlist, env); // nvlist is now owned by us -} - -// Extension -void -IIOP_ServerRequest::marshal (CORBA::Environment &env, // exception reporting - const TAO_Call_Data_Skel *info, // call description - ...) // ... any parameters -{ - // Now, put all "in" and "inout" parameters into the NVList - CORBA::ULong i, j; - - // setup the variable argument list - const TAO_Param_Data_Skel *pdp; - va_list param_vector; - va_start (param_vector, info); - - j = 0; - for (i = 0, pdp = info->params; - i < info->param_count; - i++, pdp++) - { - void *ptr = va_arg (param_vector, void *); - - if (pdp->mode == 0) // return type - { - this->retval_ = new CORBA::Any (pdp->tc, ptr, pdp->own); - continue; - } - - if (pdp->mode == CORBA::ARG_OUT) - { - (void) this->params_->item (j, env)->value () - ->replace (pdp->tc, ptr, pdp->own, env); - // don't add any value - } - j++; - } - va_end (param_vector); - - - // setup a Reply message - this->init_reply (env); - - // Normal reply. - if (!env.exception ()) - { - // ... then send any return value ... - if (this->retval_) - { - CORBA::TypeCode_ptr tc = this->retval_->type (); - const void *value = this->retval_->value (); - if (value) - (void) this->outgoing_->encode (tc, value, 0, env); - } - - // ... Followed by "inout" and "out" parameters, left to right - for (i = 0; - i < this->params_->count (); - i++) - { - CORBA::NamedValue_ptr nv = this->params_->item (i, env); - CORBA::Any_ptr any; - - if (!(nv->flags () & (CORBA::ARG_INOUT|CORBA::ARG_OUT))) - continue; - - any = nv->value (); - CORBA::TypeCode_ptr tc = any->type (); - const void *value = any->value (); - (void) this->outgoing_->encode (tc, value, 0, env); - } - } -} - -void -IIOP_ServerRequest::init_reply (CORBA::Environment &env) -{ - // construct a REPLY header - TAO_GIOP::start_message (TAO_GIOP_Reply, *this->outgoing_); - TAO_GIOP_ServiceContextList resp_ctx; - resp_ctx.length (0); - this->outgoing_->encode (&TC_ServiceContextList, &resp_ctx, 0, env); - this->outgoing_->put_ulong (this->reqid_); - - // Standard exceptions only. - if (env.exception () != 0) - { - CORBA::Environment env2; - CORBA::Exception *x = env.exception (); - CORBA::TypeCode_ptr except_tc = x->_type (); - - this->outgoing_->put_ulong (TAO_GIOP_SYSTEM_EXCEPTION); - (void) this->outgoing_->encode (except_tc, x, 0, env2); - } - - // Any exception at all. - else if (this->exception_) - { - CORBA::Exception *x; - CORBA::TypeCode_ptr except_tc; - - x = (CORBA::Exception *) this->exception_->value (); - except_tc = this->exception_->type (); - - // Finish the GIOP Reply header, then marshal the exception. - // - // XXX x->type () someday ... - if (this->ex_type_ == CORBA::SYSTEM_EXCEPTION) - this->outgoing_->put_ulong (TAO_GIOP_SYSTEM_EXCEPTION); - else - this->outgoing_->put_ulong (TAO_GIOP_USER_EXCEPTION); - - (void) this->outgoing_->encode (except_tc, x, 0, env); - } - else - { // Normal reply - - // First finish the GIOP header ... - this->outgoing_->put_ulong (TAO_GIOP_NO_EXCEPTION); - } -} |