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// -*- C++ -*-
//=============================================================================
/**
* @file UIPMC_Transport.h
*
* $Id$
*
* @author Frank Hunleth <fhunleth@cs.wustl.edu>
*/
//=============================================================================
#ifndef TAO_UIPMC_TRANSPORT_H
#define TAO_UIPMC_TRANSPORT_H
#include /**/ "ace/pre.h"
#include "portablegroup_export.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "tao/Transport.h"
#include "ace/SOCK_Stream.h"
#include "ace/Svc_Handler.h"
// Forward decls.
class TAO_UIPMC_Connection_Handler;
class TAO_ORB_Core;
class TAO_Operation_Details;
class TAO_Pluggable_Messaging;
class TAO_Acceptor;
// Service Handler for this transport
typedef ACE_Svc_Handler<ACE_SOCK_STREAM, ACE_NULL_SYNCH>
TAO_UIPMC_SVC_HANDLER;
#if defined ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION_EXPORT
template class TAO_PortableGroup_Export ACE_Svc_Handler<ACE_SOCK_STREAM, ACE_NULL_SYNCH>;
#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION_EXPORT */
/**
* @class TAO_UIPMC_Transport
*
* @brief Specialization of the base TAO_Transport class to handle the
* MIOP protocol.
*/
class TAO_PortableGroup_Export TAO_UIPMC_Transport : public TAO_Transport
{
public:
/// Constructor.
TAO_UIPMC_Transport (TAO_UIPMC_Connection_Handler *handler,
TAO_ORB_Core *orb_core,
CORBA::Boolean flag);
/// Default destructor.
~TAO_UIPMC_Transport (void);
/// Look for the documentation in Transport.h.
virtual int handle_input (TAO_Resume_Handle &rh,
ACE_Time_Value *max_wait_time = 0,
int block = 0);
protected:
/** @name Overridden Template Methods
*
* These are implementations of template methods declared by TAO_Transport.
*/
//@{
virtual ACE_Event_Handler * event_handler_i (void);
virtual TAO_Connection_Handler *connection_handler_i (void);
virtual TAO_Pluggable_Messaging *messaging_object (void);
/// Write the complete Message_Block chain to the connection.
virtual ssize_t send (iovec *iov, int iovcnt,
size_t &bytes_transferred,
const ACE_Time_Value *max_wait_time);
/// Read len bytes from into buf.
virtual ssize_t recv (char *buf,
size_t len,
const ACE_Time_Value *s = 0);
virtual int register_handler (void);
public:
/// @@TODO: These methods IMHO should have more meaningful
/// names. The names seem to indicate nothing.
virtual int send_request (TAO_Stub *stub,
TAO_ORB_Core *orb_core,
TAO_OutputCDR &stream,
int message_semantics,
ACE_Time_Value *max_wait_time);
virtual int send_message (TAO_OutputCDR &stream,
TAO_Stub *stub = 0,
int message_semantics = TAO_Transport::TAO_TWOWAY_REQUEST,
ACE_Time_Value *max_time_wait = 0);
/// Initialising the messaging object
virtual int messaging_init (CORBA::Octet major,
CORBA::Octet minor);
//@}
private:
/// Process the message that we have read.
int process_message (void);
/// Construct and write a unique ID to the MIOP header.
void write_unique_id (TAO_OutputCDR &miop_hdr, unsigned long unique);
private:
/// The connection service handler used for accessing lower layer
/// communication protocols.
TAO_UIPMC_Connection_Handler *connection_handler_;
/// Our messaging object.
TAO_Pluggable_Messaging *messaging_object_;
};
#include /**/ "ace/post.h"
#endif /* TAO_UIPMC_TRANSPORT_H */
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