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// This may look like C, but it's really -*- C++ -*-
// $Id$
// ============================================================================
//
// = LIBRARY
// DynamicInterface
//
// = DESCRIPTION
// The DII invocation classes.
//
// = AUTHOR
// Carlos O'Ryan <coryan@cs.wustl.edu>
// Alexander Babu Arulanthu <alex@cs.wustl.edu>
// Jeff Parsons <parsons@cs.wustl.edu>
//
// ============================================================================
#ifndef TAO_DII_INVOCATION_H
#define TAO_DII_INVOCATION_H
#include "ace/pre.h"
#include "tao/Invocation.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "tao/Asynch_Invocation.h"
#include "Unknown_User_Exception.h"
#include "DII_Reply_Dispatcher.h"
#include "Request.h"
class TAO_GIOP_DII_Invocation : public TAO_GIOP_Twoway_Invocation
{
// = TITLE
// Sends a two-way request using DII.
//
// = DESCRIPTION
// This class replaces just one method - invoke - of its base
// class with one of a slightly different signature. The class
// is not exported because it is only instantiated by
// CORBA::Request in this library.
//
public:
TAO_GIOP_DII_Invocation (TAO_Stub *data,
const char *operation,
CORBA::ULong opname_len,
CORBA::Boolean argument_flag,
TAO_ORB_Core *orb_core,
CORBA::Request_ptr host,
int byte_order = TAO_ENCAP_BYTE_ORDER);
// Constructor.
int invoke (CORBA::ExceptionList_ptr exceptions,
CORBA_Environment &ACE_TRY_ENV =
TAO_default_environment ())
ACE_THROW_SPEC ((CORBA::SystemException,CORBA::UnknownUserException));
// Send request, block until any reply comes back, and unmarshal
// reply parameters as appropriate.
private:
CORBA::Request_ptr host_;
// Back pointer to the DII request that created us.
};
class TAO_DynamicInterface_Export TAO_GIOP_DII_Deferred_Invocation
: public TAO_GIOP_Asynch_Invocation
{
// = TITLE
// Sends a two-way request using DII and does not wait for a reply.
//
// = DESCRIPTION
// This class connects (or looks up a connection from the cache) to
// the remote server, builds the CDR stream for the Request, send
// the CDR stream and returns.
//
public:
TAO_GIOP_DII_Deferred_Invocation (TAO_Stub *data,
TAO_ORB_Core* orb_core,
CORBA::Boolean argument_flag,
const CORBA::Request_ptr req,
int byte_order = TAO_ENCAP_BYTE_ORDER);
// Constructor.
int invoke (CORBA_Environment &TAO_IN_ENV =
TAO_default_environment ())
ACE_THROW_SPEC ((CORBA::SystemException));
// Send request, block until any reply comes back, and unmarshal
// reply parameters as appropriate.
private:
int invoke_i (CORBA::Environment &ACE_TRY_ENV)
ACE_THROW_SPEC ((CORBA::SystemException));
// Implementation of the invoke() methods, handles the basic
// send/reply code and the system exceptions.
TAO_DII_Deferred_Reply_Dispatcher *rd_;
// Reply dispatcher for the current synchronous Asynch_Invocation.
};
#if defined (__ACE_INLINE__)
# include "DII_Invocation.inl"
#endif /* __ACE_INLINE__ */
#include "ace/post.h"
#endif /* TAO_ASYNCH_INVOCATION_H */
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