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// -*- Mode: C++; -*-
// Package : omniORB
// callDescriptor.h Created on: 12/98
// 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:
//
/*
$Log: callDescriptor.h,v $
Revision 1.1.2.1 1999/09/24 09:51:43 djr
Moved from omniORB2 + some new files.
*/
#ifndef __OMNIORB_CALLDESCRIPTOR_H__
#define __OMNIORB_CALLDESCRIPTOR_H__
class omniObjRef;
class omniServant;
class GIOP_C;
//////////////////////////////////////////////////////////////////////
///////////////////////// omniCallDescriptor /////////////////////////
//////////////////////////////////////////////////////////////////////
class omniCallDescriptor {
public:
typedef void (*LocalCallFn)(omniCallDescriptor*, omniServant*);
inline omniCallDescriptor(LocalCallFn lcfn, const char* op,
int op_len, _CORBA_Boolean oneway = 0)
: pd_localCall(lcfn),
pd_is_oneway(oneway),
pd_op(op), pd_oplen(op_len),
pd_ctxt(0) {}
///////////////////////////////
// Methods to implement call //
///////////////////////////////
virtual _CORBA_ULong alignedSize(_CORBA_ULong);
// Defaults to no arguments.
virtual void marshalArguments(GIOP_C&);
// Defaults to no arguments.
virtual void unmarshalReturnedValues(GIOP_C&);
// Defaults to no arguments and returns void.
virtual void userException(GIOP_C&, const char*);
// Defaults to no user exceptions, and thus throws
// CORBA::MARSHAL. Any version of this should in all
// cases either throw a user exception or CORBA::MARSHAL.
// Must call giop_client.RequestCompleted().
///////////////
// Accessors //
///////////////
inline const char* op() const { return pd_op; }
inline size_t op_len() const { return pd_oplen; }
inline _CORBA_Boolean is_oneway() const { return pd_is_oneway; }
inline void doLocalCall(omniServant* servant) {
pd_localCall(this, servant);
}
/////////////////////
// Context support //
/////////////////////
struct ContextInfo {
inline ContextInfo(CORBA::Context_ptr c, const char*const* cl, int n)
: context(c), expected(cl), num_expected(n) {}
CORBA::Context_ptr context;
const char*const* expected;
int num_expected;
};
inline void set_context_info(const ContextInfo* ci) { pd_ctxt = ci; }
inline const ContextInfo* context_info() { return pd_ctxt; }
private:
omniCallDescriptor(const omniCallDescriptor&);
omniCallDescriptor& operator = (const omniCallDescriptor&);
// Not implemented.
LocalCallFn pd_localCall;
_CORBA_Boolean pd_is_oneway;
const char* pd_op;
size_t pd_oplen;
const ContextInfo* pd_ctxt;
};
//////////////////////////////////////////////////////////////////////
/////////////////////////// omniStdCallDesc //////////////////////////
//////////////////////////////////////////////////////////////////////
// This just provides a namespace for pre-defined call descriptors.
class omniStdCallDesc {
public:
// Mangled signature: void
typedef omniCallDescriptor void_call;
// Mangled signature: _cCORBA_mObject_i_cstring
class _cCORBA_mObject_i_cstring : public omniCallDescriptor {
public:
inline _cCORBA_mObject_i_cstring(LocalCallFn lcfn, const char* op,
size_t oplen, _CORBA_Boolean oneway, const char* a_0) :
omniCallDescriptor(lcfn, op, oplen, oneway),
arg_0(a_0) {}
virtual CORBA::ULong alignedSize(CORBA::ULong size_in);
virtual void marshalArguments(GIOP_C&);
virtual void unmarshalReturnedValues(GIOP_C&);
inline CORBA::Object_ptr result() { return pd_result; }
const char* arg_0;
CORBA::Object_ptr pd_result;
};
};
//////////////////////////////////////////////////////////////////////
///////////////////// omniLocalOnlyCallDescriptor ////////////////////
//////////////////////////////////////////////////////////////////////
// This class is needed to support calls to objects which
// may only reside in the local address space.
// eg. ServantLocator, ServantActivator, AdapterActivator.
class omniLocalOnlyCallDescriptor : public omniCallDescriptor {
public:
omniLocalOnlyCallDescriptor(LocalCallFn lcfn, const char* op,
int op_len, _CORBA_Boolean is_oneway = 0)
: omniCallDescriptor(lcfn, op, op_len, is_oneway) {}
// We only need to override this one -- as it will throw an
// exception, so the other members won't get called.
virtual _CORBA_ULong alignedSize(_CORBA_ULong);
};
#endif // __OMNIORB_CALLDESCRIPTOR_H__
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