diff options
Diffstat (limited to 'TAO/tao/Server_Request.cpp')
| -rw-r--r-- | TAO/tao/Server_Request.cpp | 595 |
1 files changed, 0 insertions, 595 deletions
diff --git a/TAO/tao/Server_Request.cpp b/TAO/tao/Server_Request.cpp deleted file mode 100644 index 8be2ab94a53..00000000000 --- a/TAO/tao/Server_Request.cpp +++ /dev/null @@ -1,595 +0,0 @@ -// $Id$ - -// Implementation of the Dynamic Server Skeleton Interface - -#include "tao/Server_Request.h" - -#include "tao/CDR.h" -#include "tao/POAC.h" -#include "tao/Environment.h" -#include "tao/NVList.h" -#include "tao/Principal.h" -#include "tao/ORB_Core.h" -#include "tao/Timeprobe.h" - -#if !defined (__ACE_INLINE__) -# include "tao/Server_Request.i" -#endif /* ! __ACE_INLINE__ */ - -ACE_RCSID(tao, Server_Request, "$Id$") - -#if defined (ACE_ENABLE_TIMEPROBES) - -static const char *TAO_Server_Request_Timeprobe_Description[] = -{ - "Server_Request::Server_Request - start", - "Server_Request::Server_Request - end", -}; - -enum -{ - // Timeprobe description table start key - TAO_SERVER_REQUEST_START = 400, - TAO_SERVER_REQUEST_END -}; - -// Setup Timeprobes -ACE_TIMEPROBE_EVENT_DESCRIPTIONS (TAO_Server_Request_Timeprobe_Description, - TAO_SERVER_REQUEST_START); - -#endif /* ACE_ENABLE_TIMEPROBES */ - -IIOP_ServerRequest::IIOP_ServerRequest (TAO_InputCDR &input, - TAO_OutputCDR &output, - TAO_ORB_Core *orb_core, - CORBA::Environment &env) - : operation_ (0), - incoming_ (&input), - outgoing_ (&output), - response_expected_ (0), - params_ (0), - retval_ (0), - exception_ (0), - exception_type_ (TAO_GIOP_NO_EXCEPTION), - orb_core_ (orb_core), - service_info_ (), - request_id_ (0), - object_key_ (), - requesting_principal_ (0) -{ - ACE_FUNCTION_TIMEPROBE (TAO_SERVER_REQUEST_START); - - this->parse_header (env); -} - -void -IIOP_ServerRequest::parse_header_std (CORBA::Environment &env) -{ - // Tear out the service context ... we currently ignore it, but it - // should probably be passed to each ORB service as appropriate - // (e.g. transactions, security). - // - // NOTE: As security support kicks in, this is a good place to - // verify a digital signature, if that is required in this security - // environment. It may be required even when using IPSEC security - // infrastructure. - - TAO_InputCDR& input = *this->incoming_; - - input >> this->service_info_; - CORBA::Boolean hdr_status = input.good_bit (); - - // Get the rest of the request header ... - - hdr_status = hdr_status && input.read_ulong (this->request_id_); - hdr_status = hdr_status && input.read_boolean (this->response_expected_); - - // We use ad-hoc demarshalling here: there is no need to increase - // the reference count on the CDR message block, because this key - // will not outlive the request (or the message block). - - CORBA::Long key_length; - hdr_status = hdr_status && input.read_long (key_length); - if (hdr_status) - { - this->object_key_.replace (key_length, key_length, - (CORBA::Octet*)input.rd_ptr (), - 0); - input.skip_bytes (key_length); - } - - CORBA::Long length; - hdr_status = hdr_status && input.read_long (length); - if (hdr_status) - { - this->operation_ = input.rd_ptr (); - hdr_status = input.skip_bytes (length); - } - - if (hdr_status) - { - input >> this->requesting_principal_; - hdr_status = input.good_bit (); - } - - if (!hdr_status) - env.exception (new CORBA::COMM_FAILURE (CORBA::COMPLETED_NO)); - -} - -void -IIOP_ServerRequest::parse_header_lite (CORBA::Environment &env) -{ - TAO_InputCDR& input = *this->incoming_; - - CORBA::Boolean hdr_status = input.good_bit (); - - // Get the rest of the request header ... - - hdr_status = hdr_status && input.read_ulong (this->request_id_); - hdr_status = hdr_status && input.read_boolean (this->response_expected_); - - // We use ad-hoc demarshalling here: there is no need to increase - // the reference count on the CDR message block, because this key - // will not outlive the request (or the message block). - - CORBA::Long key_length; - hdr_status = hdr_status && input.read_long (key_length); - if (hdr_status) - { - this->object_key_.replace (key_length, key_length, - (CORBA::Octet*)input.rd_ptr (), - 0); - input.skip_bytes (key_length); - } - - CORBA::Long length; - hdr_status = hdr_status && input.read_long (length); - if (hdr_status) - { - this->operation_ = input.rd_ptr (); - hdr_status = input.skip_bytes (length); - } - - if (!hdr_status) - env.exception (new CORBA::COMM_FAILURE (CORBA::COMPLETED_NO)); -} - - - -void -IIOP_ServerRequest::parse_header (CORBA::Environment &env) -{ - if (this->orb_core_->orb_params ()->use_lite_protocol ()) - this->parse_header_lite (env); - else - this->parse_header_std (env); -} - -// This constructor is used, by the locate request code - -IIOP_ServerRequest::IIOP_ServerRequest (CORBA::ULong &request_id, - CORBA::Boolean &response_expected, - TAO_ObjectKey &object_key, - char* operation, - TAO_OutputCDR &output, - TAO_ORB_Core *orb_core, - CORBA::Environment &) - : operation_ (operation), - incoming_ (0), - outgoing_ (&output), - response_expected_ (response_expected), - params_ (0), - retval_ (0), - exception_ (0), - exception_type_ (TAO_GIOP_NO_EXCEPTION), - orb_core_ (orb_core), - service_info_ (0), - request_id_ (request_id), - object_key_ (object_key), - requesting_principal_ (0) -{ -} - -IIOP_ServerRequest::~IIOP_ServerRequest (void) -{ - if (this->params_) - CORBA::release (this->params_); - delete this->retval_; - delete this->exception_; -} - -CORBA::ORB_ptr -IIOP_ServerRequest::orb (void) -{ - return this->orb_core_->orb (); -} - -TAO_POA * -IIOP_ServerRequest::oa (void) -{ - return this->orb_core_->root_poa (); -} - -// Unmarshal in/inout params, and set up to marshal the appropriate -// inout/out/return values later on. - -void -IIOP_ServerRequest::arguments (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); - - // check if it is an in or inout parameter - 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. - // - // This is exactly what the TAO IDL compiler generated skeletons do. - - CORBA::Any_ptr any = nv->value (); - CORBA::TypeCode_var tc = any->type (); - - void *value; - if (!any->value ()) - { // not preallocated - ACE_NEW (value, char [tc->size (env)]); - - if (env.exception () != 0) - return; - - any->replace (tc.in (), value, 1, env); - if (env.exception () != 0) - return; - - } - else - value = (void *)any->value (); // memory was already preallocated - - // Then just unmarshal the value. - (void) incoming_->decode (tc.in (), value, 0, env); - if (env.exception () != 0) - { - const char* param_name = nv->name (); - if (param_name == 0) - param_name = "(no name given)"; - ACE_ERROR ((LM_ERROR, - "IIOP_ServerRequest::arguments - problem while" - " decoding parameter %d <%s>\n", i, param_name)); - return; - } - } - - // 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. - - // @@ (TAO) support for Contexts?? - if (incoming_->length () != 0) - { - ACE_ERROR ((LM_ERROR, - "IIOP_ServerRequest::arguments - " - "%d bytes left in buffer\n", incoming_->length ())); - 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::set_result (const CORBA::Any &value, - CORBA::Environment &env) -{ - env.clear (); - - // setting a result when another result already exists or if an exception - // exists is an error - if (this->retval_ || this->exception_) - env.exception (new CORBA::BAD_INV_ORDER (CORBA::COMPLETED_NO)); - else - { - this->retval_ = new CORBA::Any (value); - } -} - -// Store the exception value. - -void -IIOP_ServerRequest::set_exception (const CORBA::Any &value, - CORBA::Environment &env) -{ - if (this->retval_ || this->exception_) - env.exception (new CORBA::BAD_INV_ORDER (CORBA::COMPLETED_NO)); - else - { - // Try to narrow to ForwardRequest - PortableServer::ForwardRequest_ptr forward_request = - PortableServer::ForwardRequest::_narrow ((CORBA::Exception *) value.value ()); - - // If narrowing of exception succeeded - if (forward_request != 0) - { - this->forward_location_ = forward_request->forward_reference; - this->exception_type_ = TAO_GIOP_USER_EXCEPTION; - } - // Normal exception - else - { - this->exception_ = new CORBA::Any (value); - - // @@ This cast is not safe, but we haven't implemented the >>= - // and <<= operators for base exceptions (yet). - CORBA_Exception* x = (CORBA_Exception*)value.value (); - if (CORBA_UserException::_narrow (x) != 0) - this->exception_type_ = TAO_GIOP_USER_EXCEPTION; - else - this->exception_type_ = TAO_GIOP_SYSTEM_EXCEPTION; - } - } -} - -// Extension -void -IIOP_ServerRequest::demarshal (CORBA::Environment &orb_env, - // ORB related exception reporting - const TAO_Call_Data_Skel *info, - // call description - ...) -{ - CORBA::ULong i; - 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)) - { - // Then just unmarshal the value. - (void) incoming_->decode (pdp->tc, ptr, 0, orb_env); - } - - if (orb_env.exception ()) - { - orb_env.print_exception ("ServerRequest::demarshal - parameter decode failed"); - return; - } - } - va_end (param_vector); -} - -// Extension - -void -IIOP_ServerRequest::marshal (CORBA::Environment &orb_env, - // ORB related exception reporting - // CORBA::Environment &skel_env, - // skeleton related exception reporting - const TAO_Call_Data_Skel *info, - // call description - ...) -{ - // what is "orb_env" and "skel_env"? - // "skel_env" holds the exception that got raised inside the operation - // implementation (upcall) - // - // "orb_env" is the exception that may have been raised due to things going - // wrong in the entire dispatch process. These are always system exceptions. - - // check if we are inside with an exception. This may have happened - // since the upcall could have set some exception -#if 0 /* ASG */ - if (skel_env.exception ()) - { - // We must increase the "refcnt" on the exception, because it is - // "owned" by both <skel_env> and (eventually) by the - // Server_Request. - CORBA::Exception_ptr exception = skel_env.exception (); - exception->_incr_refcnt (); - - // The Any does not own the because ultimately it will be owned - // by the Server_Request via the call to "set_exception" - CORBA::Any any (skel_env.exception ()->_type (), exception); - this->set_exception (any, orb_env); - } -#endif - - // Setup a Reply message so that we can marshal all the outgoing parameters - // into it. If an exception was set, then that gets marshaled into the reply - // message and we don't do anything after that - this->init_reply (orb_env); - -#if 0 /* ASG */ - // exception? nothing to do after this - if (orb_env.exception () || skel_env.exception ()) - return; -#endif - TAO_CHECK_ENV_RETURN_VOID (orb_env); - - CORBA::ULong i; - 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 == 0) - { - // check if the return type is not void - if (pdp->tc->kind (orb_env) != CORBA::tk_void) - { - // Then just marshal the value. - (void) this->outgoing_->encode (pdp->tc, ptr, 0, orb_env); - } - } - else if ((pdp->mode == CORBA::ARG_INOUT) - || (pdp->mode == CORBA::ARG_OUT)) - { - // Then just marshal the value. - (void) this->outgoing_->encode (pdp->tc, ptr, 0, orb_env); - } - - if (orb_env.exception ()) - { - orb_env.print_exception ("ServerRequest::marshal - parameter encode failed"); - return; - } - } - va_end (param_vector); - -} - -void -IIOP_ServerRequest::init_reply (CORBA::Environment &env) -{ - // Construct a REPLY header. - TAO_GIOP::start_message (TAO_GIOP::Reply, - *this->outgoing_, - this->orb_core_); - - TAO_GIOP_ServiceContextList resp_ctx; - resp_ctx.length (0); - *this->outgoing_ << resp_ctx; - this->outgoing_->write_ulong (this->request_id_); - - // Standard exceptions are caught in Connect::handle_input - - // Forward exception only. - if (!CORBA::is_nil (this->forward_location_.in ())) - { - this->outgoing_->write_ulong (TAO_GIOP_LOCATION_FORWARD); - - CORBA::Object_ptr object_ptr = this->forward_location_.in (); - if ((*this->outgoing_ << object_ptr) == 0) - { - ACE_DEBUG ((LM_DEBUG, - "ServerRequest::marshal - " - "encoding forwarded objref failed\n")); - return; - } - } - - // Any exception at all. - else if (this->exception_) - { - CORBA::TypeCode_ptr except_tc; - - except_tc = this->exception_->type (); - - // Finish the GIOP Reply header, then marshal the exception. - // XXX x->type () someday ... - - this->outgoing_->write_ulong (this->exception_type_); - - // we use the any's ACE_Message_Block - TAO_InputCDR cdr (this->exception_->_tao_get_cdr ()); - (void) this->outgoing_->append (except_tc, &cdr, env); - } - else // Normal reply - // First finish the GIOP header ... - this->outgoing_->write_ulong (TAO_GIOP_NO_EXCEPTION); -} - -// this method will be utilized by the DSI servant to marshal outgoing -// parameters - -void -IIOP_ServerRequest::dsi_marshal (CORBA::Environment &env) -{ - // NOTE: if "env" is set, it takes precedence over exceptions - // reported using the mechanism of the ServerRequest. Only system - // exceptions are reported that way ... - // - // XXX Exception reporting is ambiguous; it can be cleaner than - // this. With both language-mapped and dynamic/explicit reporting - // mechanisms, one of must be tested "first" ... so an exception - // reported using the other mechanism could be "lost". Perhaps only - // the language mapped one should be used for system exceptions. - - - // only if there wasn't any exception, we proceed - if (this->exception_type_ == TAO_GIOP_NO_EXCEPTION && - CORBA::is_nil (this->forward_location_.in ())) - { - // ... then send any return value ... - if (this->retval_) - { - CORBA::TypeCode_var tc = this->retval_->type (); - if (this->retval_->any_owns_data ()) - { - (void) this->outgoing_->encode (tc.in (), retval_->value (), 0, env); - } - else - { - TAO_InputCDR cdr (retval_->_tao_get_cdr ()); - (void) this->outgoing_->append (tc.in (), &cdr, env); - } - } - - // ... Followed by "inout" and "out" parameters, left to right - if (this->params_) - { - for (u_int i = 0; - i < this->params_->count (); - i++) - { - CORBA::NamedValue_ptr nv = this->params_->item (i, env); - if (!(nv->flags () & (CORBA::ARG_INOUT|CORBA::ARG_OUT))) - continue; - - CORBA::Any_ptr any = nv->value (); - CORBA::TypeCode_var tc = any->type (); - if (any->any_owns_data ()) - { - (void) this->outgoing_->encode (tc.in (), any->value (), 0, env); - } - else - { - TAO_InputCDR cdr (any->_tao_get_cdr ()); - (void) this->outgoing_->append (tc.in (), &cdr, env); - } - } - } - } -} - - -CORBA::Object_ptr -IIOP_ServerRequest::forward_location (void) -// get the forward_location -{ - return CORBA::Object::_duplicate (this->forward_location_.in ()); -} - -CORBA::ULong -IIOP_ServerRequest::exception_type (void) -// get the exception type -{ - return this->exception_type_; -} |