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// This may look like C, but it's really -*- C++ -*-
// -*- C++ -*-
// ===================================================================
/**
* @file IIOP_Transport.h
*
* $Id$
*
* @author Originally by Fred Kuhns <fredk@cs.wustl.edu>
* @author Modified by Balachandran Natarajan <bala@cs.wustl.edu>
*/
// ===================================================================
#ifndef TAO_IIOP_TRANSPORT_H
#define TAO_IIOP_TRANSPORT_H
#include "ace/pre.h"
#include "tao/Transport.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ace/SOCK_Stream.h"
#include "ace/Synch.h"
#include "ace/Svc_Handler.h"
#include "tao/IIOPC.h"
// Forward decls.
class TAO_IIOP_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_IIOP_SVC_HANDLER;
/**
* @class TAO_IIOP_Transport
*
* @brief Specialization of the base TAO_Transport class to handle the
* IIOP protocol.
*
*
*
*/
class TAO_Export TAO_IIOP_Transport : public TAO_Transport
{
public:
/// Constructor.
TAO_IIOP_Transport (TAO_IIOP_Connection_Handler *handler,
TAO_ORB_Core *orb_core,
CORBA::Boolean flag);
/// Default destructor.
~TAO_IIOP_Transport (void);
protected:
/** @name Overridden Template Methods
*
* Please check the documentation in "tao/Transport.h" for more
* details.
*/
//@{
virtual ACE_Event_Handler *event_handler_i (void);
/// Access the underlying messaging object
virtual TAO_Pluggable_Messaging *messaging_object (void);
virtual ssize_t send_i (iovec *iov, int iovcnt,
size_t &bytes_transferred,
const ACE_Time_Value *timeout = 0);
virtual ssize_t recv_i (char *buf,
size_t len,
const ACE_Time_Value *s = 0);
#if 0
virtual int read_process_message (ACE_Time_Value *max_time_value = 0,
int block =0);
#endif
virtual int register_handler_i (void);
/// Method to do whatever it needs to do when the connection
/// handler is being closed and destroyed.
virtual void transition_handler_state_i (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 twoway,
ACE_Time_Value *max_wait_time);
virtual int send_message (TAO_OutputCDR &stream,
TAO_Stub *stub = 0,
int twoway = 1,
ACE_Time_Value *max_time_wait = 0);
virtual int generate_request_header (TAO_Operation_Details &opdetails,
TAO_Target_Specification &spec,
TAO_OutputCDR &msg);
virtual int messaging_init (CORBA::Octet major,
CORBA::Octet minor);
virtual int tear_listen_point_list (TAO_InputCDR &cdr);
//@}
private:
/// Process the message that we have read
int process_message (ACE_Message_Block &message);
/// Set the Bidirectional context info in the service context list
void set_bidir_context_info (TAO_Operation_Details &opdetails);
/// Add the listen points in <acceptor> to the <listen_point_list>
/// if this connection is in the same interface as that of the
/// endpoints in the <acceptor>
int get_listen_point (IIOP::ListenPointList &listen_point_list,
TAO_Acceptor *acceptor);
private:
/// The connection service handler used for accessing lower layer
/// communication protocols.
TAO_IIOP_Connection_Handler *connection_handler_;
/// Our messaging object.
TAO_Pluggable_Messaging *messaging_object_;
};
#if defined (__ACE_INLINE__)
#include "tao/IIOP_Transport.i"
#endif /* __ACE_INLINE__ */
#include "ace/post.h"
#endif /* TAO_IIOP_TRANSPORT_H */
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