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// @ (#)nvlist.cpp
// 1.6 95/11/04
//
// Copyright 1994-1995 by Sun Microsystems Inc.
// All Rights Reserved
//
// Implementation of Named Value List
#include "tao/corba.h"
// COM's IUnknown support
// {77420087-F276-11ce-9598-0000C07CA898}
DEFINE_GUID (IID_CORBA_NamedValue,
0x77420087, 0xf276, 0x11ce, 0x95, 0x98, 0x0, 0x0, 0xc0, 0x7c, 0xa8, 0x98);
ULONG __stdcall
CORBA_NamedValue::AddRef (void)
{
ACE_MT (ACE_GUARD_RETURN (ACE_SYNCH_MUTEX, guard, lock_, 0));
return refcount_++;
}
ULONG __stdcall
CORBA_NamedValue::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
CORBA_NamedValue::QueryInterface (REFIID riid,
void **ppv)
{
*ppv = 0;
if (IID_CORBA_NamedValue == riid || IID_IUnknown == riid)
*ppv = this;
if (*ppv == 0)
return ResultFromScode (E_NOINTERFACE);
(void) AddRef ();
return NOERROR;
}
// Reference counting for DII Request object
void
CORBA::release (CORBA::NamedValue_ptr nv)
{
if (nv)
nv->Release ();
}
CORBA::Boolean
CORBA::is_nil (CORBA::NamedValue_ptr nv)
{
return (CORBA::Boolean) nv == 0;
}
CORBA_NamedValue::~CORBA_NamedValue (void)
{
if (_name)
CORBA::string_free ((CORBA::String) _name);
}
// COM's IUnknown support
// {77420088-F276-11ce-9598-0000C07CA898}
DEFINE_GUID (IID_CORBA_NVList,
0x77420088, 0xf276, 0x11ce, 0x95, 0x98, 0x0, 0x0, 0xc0, 0x7c, 0xa8, 0x98);
ULONG __stdcall
CORBA_NVList::AddRef (void)
{
ACE_MT (ACE_GUARD_RETURN (ACE_SYNCH_MUTEX, guard, lock_, 0));
return refcount_++;
}
ULONG __stdcall
CORBA_NVList::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
CORBA_NVList::QueryInterface (REFIID riid,
void **ppv)
{
*ppv = 0;
if (IID_CORBA_NVList == riid || IID_IUnknown == riid)
*ppv = this;
if (*ppv == 0)
return ResultFromScode (E_NOINTERFACE);
(void) AddRef ();
return NOERROR;
}
// Reference counting for DII Request object
void
CORBA::release (CORBA::NVList_ptr nvl)
{
if (nvl)
nvl->Release ();
}
CORBA::Boolean
CORBA::is_nil (CORBA::NVList_ptr nvl)
{
return (CORBA::Boolean) nvl == 0;
}
CORBA_NVList::~CORBA_NVList (void)
{
for (u_int i = 0; i < len_; i++)
(&values_[i])->~CORBA_NamedValue ();
if (values_)
ACE_OS::free ((char *)values_);
values_ = 0;
len_ = max_ = 0;
}
CORBA::NamedValue_ptr
CORBA_NVList::add_value (const CORBA::Char *name,
const CORBA::Any &value,
CORBA::Flags flags,
CORBA::Environment &env)
{
env.clear ();
if (ACE_BIT_DISABLED (flags, CORBA::ARG_IN | CORBA::ARG_OUT | CORBA::ARG_INOUT))
{
env.exception (new CORBA::BAD_PARAM (CORBA::COMPLETED_NO));
return 0;
}
// We track "len_" and "max_" like sequences do; mixing the
// "add_arg" and nvlist[i] style accessors produces undefined
// behaviour.
u_int len = len_++;
// Extend the array with an _initialized_ element ... relying on
// zeroed memory to be sufficiently initialized.
//
// XXX report malloc failures as errors -- how?
if (values_ == 0)
{
values_ = (CORBA::NamedValue_ptr)
calloc (len_, sizeof (CORBA::NamedValue));
max_ = len_;
}
else if (len >= max_)
{
values_ = (CORBA::NamedValue_ptr) ACE_OS::realloc ((char *)values_,
sizeof (CORBA::NamedValue) * len_);
(void) ACE_OS::memset (&values_[max_], 0,
sizeof (values_[max_]) * (len_ - max_));
max_ = len_;
}
assert (values_ != 0);
values_[len]._flags = flags;
values_[len]._name = CORBA::string_copy (name);
if (ACE_BIT_ENABLED (flags, CORBA::IN_COPY_VALUE))
// IN_COPY_VALUE means that the parameter is not "borrowed" by
// the ORB, but rather that the ORB copies its value.
//
// Initialize the newly allocated memory using a copy
// constructor that places the new "Any" value at just the right
// place, and makes a "deep copy" of the data.
(void) new (&values_[len]._any) CORBA::Any (value);
else
// The normal behaviour for parameters is that the ORB "borrows"
// their memory for the duration of calls.
//
// Initialize the newly allocated "Any" using a normal
// constructor that places the new "Any" value at just the right
// place, yet doesn't copy the memory (except for duplicating
// the typecode).
//
// NOTE: DSI has yet to be updated so that it's OK to use such
// application-allocated memory. It needs at least a "send the
// response now" call.
//
(void) new (&values_[len]._any) CORBA::Any (value.type (),
(void *)value.value (), CORBA::B_FALSE);
return &values_[len];
}
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