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// -*- C++ -*-
//=============================================================================
/**
* @file UIPMC_Transport.h
*
* @author Frank Hunleth <fhunleth@cs.wustl.edu>
*/
//=============================================================================
#ifndef TAO_UIPMC_TRANSPORT_H
#define TAO_UIPMC_TRANSPORT_H
#include /**/ "ace/pre.h"
#include "orbsvcs/PortableGroup/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"
#include "ace/Refcountable_T.h"
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
// Forward decls.
class TAO_ORB_Core;
class TAO_UIPMC_Connection_Handler;
/**
* @class TAO_UIPMC_Transport
*
* @brief Specialization of the base TAO_Transport class to handle the
* client side 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);
/// Default destructor.
~TAO_UIPMC_Transport (void);
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);
/// 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);
/// Shouldn't ever be called on the client side (read len bytes into buf).
virtual ssize_t recv (char *buf,
size_t len,
ACE_Time_Value const *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,
TAO_Message_Semantics message_semantics,
ACE_Time_Value *max_wait_time);
virtual int send_message (TAO_OutputCDR &stream,
TAO_Stub *stub = 0,
TAO_ServerRequest *request = 0,
TAO_Message_Semantics message_semantics =
TAO_Message_Semantics (),
ACE_Time_Value *max_time_wait = 0);
//@}
private:
/// Construct and write a unique ID to the MIOP header.
bool write_unique_id (TAO_OutputCDR &miop_hdr) const;
/// Throttle back clients send rate so as to not exceed client/server buffers
/// and servant message processing time.
void throttle_send_rate (
ACE_UINT64 max_fragment_rate,
u_long max_fragment_size,
u_long this_send_size);
/// The connection service handler used for accessing lower layer
/// communication protocols.
TAO_UIPMC_Connection_Handler *connection_handler_;
/// This UUID used by client for making unique MIOP IDs.
u_long uuid_hash_;
/// On the client side the total amount of outstanding data being
/// transmitted and the time when this was last updated.
u_long total_bytes_outstanding_;
ACE_Time_Value time_last_sent_;
};
TAO_END_VERSIONED_NAMESPACE_DECL
#include /**/ "ace/post.h"
#endif /* TAO_UIPMC_TRANSPORT_H */
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