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// This may look like C, but it's really -*- C++ -*-
// $Id$
// ============================================================================
//
// = LIBRARY
// TAO
//
// = FILENAME
// Asynch_Invocation.h
//
// = DESCRIPTION
// Encapsulate the logic for remote Asynchronous Invocations.
//
// = AUTHOR
// Carlos O'Ryan <coryan@cs.wustl.edu> and Alexander Babu Arulanthu
// <alex@cs.wustl.edu>
//
// ============================================================================
#ifndef TAO_ASYNCH_INVOCATION_H
#define TAO_ASYNCH_INVOCATION_H
#include "tao/Invocation.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#if defined (TAO_HAS_CORBA_MESSAGING)
# if defined (TAO_HAS_AMI_CALLBACK) || (TAO_HAS_AMI_POLLER)
#include "tao/MessagingC.h"
class TAO_Export TAO_GIOP_Twoway_Asynch_Invocation : public TAO_GIOP_Invocation
{
// = TITLE
// Sends a two-way request does not expect the reply.
//
// = DESCRIPTION
// This class connects (or lookups 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_Twoway_Asynch_Invocation (TAO_Stub *data,
const char *operation,
TAO_ORB_Core* orb_core,
const TAO_Reply_Handler_Skeleton &reply_handler_skel,
Messaging::ReplyHandler_ptr reply_handler_ptr);
// Constructor.
void start (CORBA_Environment &TAO_IN_ENV =
TAO_default_environment ())
ACE_THROW_SPEC ((CORBA::SystemException));
// Calls TAO_GIOP_Asynch_Invocation::start.
int invoke (CORBA::ExceptionList &exceptions,
CORBA_Environment &TAO_IN_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.
int invoke (TAO_Exception_Data *excepts,
CORBA::ULong except_count,
CORBA_Environment &TAO_IN_ENV =
TAO_default_environment ())
ACE_THROW_SPEC ((CORBA::Exception));
// Special purpose invoke method used by the interpretive stubs. This
// accomplishes the same task as the normal invoke except that
// Exceptions are allocated and decoded here. This reduces the
// footprint of the generated stubs.
// TAO_InputCDR &inp_stream (void);
// // Return the underlying input stream.
//
// void get_value (CORBA::TypeCode_ptr tc,
// void *value,
// CORBA_Environment &TAO_IN_ENV =
// TAO_default_environment ());
// // No CORBA::Context support (deprecated).
const IOP::ServiceContextList& reply_service_info (void) const;
// Accessor to the reply ServiceContextList.
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.
private:
TAO_Asynch_Reply_Dispatcher *rd_;
// Reply dispatcher for the current synchronous Asynch_Invocation.
};
#if defined (__ACE_INLINE__)
# include "tao/Asynch_Invocation.i"
#endif /* __ACE_INLINE__ */
# endif /* TAO_HAS_AMI_CALLBACK || TAO_HAS_AMI_POLLER */
#endif /* TAO_HAS_CORBA_MESSAGING */
#endif /* TAO_ASYNCH_INVOCATION_H */
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