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// -*- Mode: C++; -*-
// Package : omniORB2
// omniObjKey.h Created on: 30/3/99
// Author : David Riddoch (djr)
//
// Copyright (C) 1996-1999 AT&T Research Cambridge
//
// This file is part of the omniORB library
//
// The omniORB library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free
// Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
// 02111-1307, USA
//
//
// Description:
// Representation of an object key.
//
/*
$Log: omniObjKey.h,v $
Revision 1.1.2.1 1999/09/24 09:51:47 djr
Moved from omniORB2 + some new files.
*/
#ifndef __OMNIOBJKEY_H__
#define __OMNIOBJKEY_H__
#include <string.h>
class MemBufferedStream;
class NetBufferedStream;
// This is just big enough to fit a root poa key.
#define INLINE_BUF_SIZE 14
class omniObjKey {
public:
inline omniObjKey() : pd_key(pd_inline_buf), pd_size(0) {}
inline omniObjKey(const _CORBA_Octet* key, int size)
: pd_key(pd_inline_buf), pd_size(size) {
if( size > INLINE_BUF_SIZE ) pd_key = new _CORBA_Octet[size];
memcpy(pd_key, key, size);
}
// Copies <key>.
inline omniObjKey(_CORBA_Octet* key, int size)
: pd_key(key), pd_size(size) {
if( size <= INLINE_BUF_SIZE ) {
pd_key = pd_inline_buf;
memcpy(pd_key, key, size);
delete[] key;
}
}
// Consumes <key>.
inline omniObjKey(omniObjKey& k, int release)
: pd_size(k.pd_size) {
if( pd_size <= INLINE_BUF_SIZE ) {
pd_key = pd_inline_buf;
}
else if( release ) {
//assert(k.pd_key != k.pd_inline_buf);
pd_key = k.pd_key;
k.pd_key = k.pd_inline_buf;
k.pd_size = 0;
return;
}
else {
pd_key = new _CORBA_Octet[pd_size];
}
memcpy(pd_key, k.pd_key, pd_size);
}
// If <release>, may (or may not) grab the key storage
// (if any) from <k>. ie. On return, <k> may be
// empty.
inline ~omniObjKey() {
if( pd_key != pd_inline_buf ) delete[] pd_key;
}
inline const _CORBA_Octet* key() const { return pd_key; }
inline int size() const { return pd_size; }
inline int is_equal(const _CORBA_Octet* key, int keysize) const {
return keysize == pd_size && !memcmp(key, pd_key, keysize);
}
inline void set_size(int size) {
if( size > pd_size && size > INLINE_BUF_SIZE ) {
if( pd_key != pd_inline_buf ) delete[] pd_key;
pd_key = new _CORBA_Octet[size];
}
pd_size = size;
}
inline _CORBA_Octet* write_key() { return pd_key; }
inline void copy(const _CORBA_Octet* key, int keysize) {
set_size(keysize);
memcpy(pd_key, key, keysize);
}
#if 0
inline void consume(_CORBA_Octet* key, int keysize) {
if( pd_key != pd_inline_buf ) delete[] pd_key;
pd_key = key;
pd_size = keysize;
}
#endif
inline _CORBA_Octet* return_key() {
if( pd_key != pd_inline_buf ) {
_CORBA_Octet* tmp = pd_key;
pd_key = pd_inline_buf;
pd_size = 0;
return tmp;
}
_CORBA_Octet* tmp = new _CORBA_Octet[pd_size];
memcpy(tmp, pd_key, pd_size);
return tmp;
}
private:
_CORBA_Octet pd_inline_buf[INLINE_BUF_SIZE];
_CORBA_Octet* pd_key;
int pd_size;
};
#undef INLINE_BUF_SIZE
#endif // __OMNIOBJREF_H__
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