TAO/tao/Strategies/SCIOP_Transport.h

   1 // -*- C++ -*-
   2
   3 // ===================================================================
   4 /**
   5  *  @file   SCIOP_Transport.h
   6  *
   7  *  @author  Jason Cohen, Lockheed Martin ATL  <jcohen@atl.lmco.com>
   8  *  @author  Keith O'Hara, Lockheed Martin ATL
   9  */
  10 // ===================================================================
  11
  12 #ifndef TAO_SCIOP_TRANSPORT_H
  13 #define TAO_SCIOP_TRANSPORT_H
  14 #include /**/ "ace/pre.h"
  15
  16 #include "tao/orbconf.h"
  17
  18 #if !defined (ACE_LACKS_PRAGMA_ONCE)
  19 # pragma once
  20 #endif /* ACE_LACKS_PRAGMA_ONCE */
  21
  22 #if TAO_HAS_SCIOP == 1
  23
  24 #include "tao/Strategies/strategies_export.h"
  25 #include "tao/Transport.h"
  26 #include "tao/IIOPC.h"
  27 #include "ace/SOCK_SEQPACK_Association.h"
  28
  29 TAO_BEGIN_VERSIONED_NAMESPACE_DECL
  30
  31 // Forward decls.
  32 class TAO_SCIOP_Connection_Handler;
  33 class TAO_ORB_Core;
  34 class TAO_Operation_Details;
  35 class TAO_Acceptor;
  36
  37 /**
  38  * @class TAO_SCIOP_Transport
  39  *
  40  * @brief Specialization of the base TAO_Transport class to handle the
  41  *  SCIOP protocol.
  42  *
  43  * Specialization of the base TAO_Transport class to handle the SCIOP
  44  * protocol.
  45  */
  46 class TAO_Strategies_Export TAO_SCIOP_Transport : public TAO_Transport
  47 {
  48 public:
  49   /// Constructor.
  50   TAO_SCIOP_Transport (TAO_SCIOP_Connection_Handler *handler,
  51                        TAO_ORB_Core *orb_core);
  52
  53 protected:
  54   /// Destructor
  55   /**
  56    * Protected destructor to enforce proper memory management through
  57    * the reference counting mechanism.
  58    */
  59   virtual ~TAO_SCIOP_Transport ();
  60
  61   /** @name Overridden Template Methods
  62    *
  63    * Please check the documentation in "tao/Transport.h" for more
  64    * details.
  65    */
  66   //@{
  67   virtual ACE_Event_Handler * event_handler_i ();
  68
  69   virtual ssize_t send (iovec *iov, int iovcnt,
  70                         size_t &bytes_transferred,
  71                         const ACE_Time_Value *timeout = 0);
  72
  73   virtual ssize_t recv (char *buf,
  74                         size_t len,
  75                         const ACE_Time_Value *s = 0);
  76
  77
  78 public:
  79   /// @todo These methods IMHO should have more meaningful
  80   /// names. The names seem to indicate nothing.
  81   virtual int send_request (TAO_Stub *stub,
  82                             TAO_ORB_Core *orb_core,
  83                             TAO_OutputCDR &association,
  84                             TAO_Message_Semantics message_semantics,
  85                             ACE_Time_Value *max_wait_time);
  86
  87   virtual int send_message (TAO_OutputCDR &association,
  88                             TAO_Stub *stub = 0,
  89                             TAO_ServerRequest *request = 0,
  90                             TAO_Message_Semantics message_semantics = TAO_Message_Semantics (),
  91                             ACE_Time_Value *max_time_wait = 0);
  92
  93   /*virtual int send_reply (TAO_OutputCDR &stream,
  94                           TAO_Adapter *poa = 0);*/
  95
  96   virtual int tear_listen_point_list (TAO_InputCDR &cdr);
  97
  98   virtual TAO_Connection_Handler * connection_handler_i ();
  99
 100   //@}
 101
 102 private:
 103   /// Set the Bidirectional context info in the service context list
 104   void set_bidir_context_info (TAO_Operation_Details &opdetails);
 105
 106   /// Add the listen points in <acceptor> to the <listen_point_list>
 107   /// if this connection is in the same interface as that of the
 108   /// endpoints in the <acceptor>
 109   int get_listen_point (IIOP::ListenPointList &listen_point_list,
 110                         TAO_Acceptor *acceptor);
 111 private:
 112   /// The connection service handler used for accessing lower layer
 113   /// communication protocols.
 114   TAO_SCIOP_Connection_Handler *connection_handler_;
 115 };
 116
 117 TAO_END_VERSIONED_NAMESPACE_DECL
 118
 119 #endif /* TAO_HAS_SCIOP == 1 */
 120
 121 #include /**/ "ace/post.h"
 122
 123 #endif  /* TAO_SCIOP_TRANSPORT_H */