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// @(#)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 *msg,
CORBA::ORB_ptr the_orb,
CORBA::POA_ptr the_poa)
: incoming_ (msg),
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 __stdcall
IIOP_ServerRequest::AddRef (void)
{
ACE_MT (ACE_GUARD_RETURN (ACE_SYNCH_MUTEX, guard, lock_, 0));
ACE_ASSERT (refcount_ > 0);
return refcount_++;
}
ULONG __stdcall
IIOP_ServerRequest::Release (void)
{
{
ACE_MT (ACE_GUARD_RETURN (ACE_SYNCH_MUTEX, mon, this->lock_, 0));
ACE_ASSERT (this != 0);
if (--refcount_ != 0)
return refcount_;
}
delete this;
return 0;
}
HRESULT __stdcall
IIOP_ServerRequest::QueryInterface (REFIID riid,
void **ppv)
{
ACE_ASSERT (refcount_ > 0);
*ppv = 0;
if (IID_IIOP_ServerRequest == riid
|| IID_CORBA_ServerRequest == riid
|| IID_IUnknown == riid)
*ppv = this;
if (*ppv == 0)
return ResultFromScode (E_NOINTERFACE);
(void) AddRef ();
return NOERROR;
}
// Unmarshal in/inout params, and set up to marshal the appropriate
// inout/out/return values later on.
void __stdcall
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);
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 __stdcall
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 __stdcall
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 __stdcall
IIOP_ServerRequest::op_name (void)
{
return opname_;
}
CORBA::Object_ptr __stdcall
IIOP_ServerRequest::target (void)
{
// XXX implement me!! Code from TCP_OA exists ...
return 0;
}
CORBA::Principal_ptr __stdcall
IIOP_ServerRequest::caller (void)
{
// XXX ... return client's principal
return 0;
}
CORBA::ORB_ptr __stdcall
IIOP_ServerRequest::orb (void)
{
return orb_;
}
CORBA::POA_ptr __stdcall
IIOP_ServerRequest::oa (void)
{
return poa_;
}
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