Remote_Invocation.cpp

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//Remote_Invocation.cpp,v 1.15 2006/04/20 12:37:17 jwillemsen Exp

#include "tao/Remote_Invocation.h"
#include "tao/Profile.h"
#include "tao/Profile_Transport_Resolver.h"
#include "tao/Stub.h"
#include "tao/Transport.h"
#include "tao/Connection_Handler.h"
#include "tao/operation_details.h"
#include "tao/ORB_Core.h"
#include "tao/Protocols_Hooks.h"
#include "tao/debug.h"

ACE_RCSID (tao,
           Remote_Invocation,
           "Remote_Invocation.cpp,v 1.15 2006/04/20 12:37:17 jwillemsen Exp")

TAO_BEGIN_VERSIONED_NAMESPACE_DECL

namespace TAO
{
  Remote_Invocation::Remote_Invocation (
    CORBA::Object_ptr otarget,
    Profile_Transport_Resolver &resolver,
    TAO_Operation_Details &detail,
    bool response_expected)
    : Invocation_Base (otarget,
                       resolver.object (),
                       resolver.stub (),
                       detail,
                       response_expected,
                       true /* request_is_remote */ )
    , resolver_ (resolver)
  {
  }

  void
  Remote_Invocation::init_target_spec (TAO_Target_Specification &target_spec
                                       ACE_ENV_ARG_DECL)
  {
    /**
     * Mega hack for RTCORBA start. I don't think that
     * PortableInterceptor  would work here esp. for RTCORBA. PI needs
     * to be improved to  help our cause.
     */
    this->resolver_.stub ()->orb_core ()->service_context_list (
      this->resolver_.stub (),
      this->details_.request_service_context (),
      0
      ACE_ENV_ARG_PARAMETER);
    ACE_CHECK;
    /**
     * Mega hack for RTCORBA END
     */

    TAO_Profile *pfile = this->resolver_.profile ();

    // Set the target specification mode
    switch (pfile->addressing_mode ())
      {
      case TAO_Target_Specification::Key_Addr:
        target_spec.target_specifier (pfile->object_key ());
        break;
      case TAO_Target_Specification::Profile_Addr:
        {
          IOP::TaggedProfile *tp =
            pfile->create_tagged_profile ();

        if (tp)
          {
            target_spec.target_specifier (*tp);
          }
        }
        break;

    case TAO_Target_Specification::Reference_Addr:
      // We need to call the method seperately. If there is no
      // IOP::IOR info, the call would create the info and return the
      // index that we need.
      CORBA::ULong index = 0;
      IOP::IOR *ior_info = 0;
      int const retval =
        this->resolver_.stub ()->create_ior_info (ior_info,
                                                  index
                                                  ACE_ENV_ARG_PARAMETER);
      ACE_CHECK;

      if (retval == -1)
        {
          if (TAO_debug_level > 0)
            {
              ACE_ERROR ((LM_ERROR,
                          ACE_TEXT ("TAO (%P|%t) - ")
                          ACE_TEXT ("Remote_Invocation::init_target_spec, ")
                          ACE_TEXT ("Error in finding index for ")
                          ACE_TEXT ("IOP::IOR \n")));
            }

          return;
        }

      target_spec.target_specifier (*ior_info,
                                    index);
      break;
    }


  }

  void
  Remote_Invocation::write_header (TAO_Target_Specification &spec,
                                   TAO_OutputCDR &out_stream
                                   ACE_ENV_ARG_DECL)
  {
    this->resolver_.transport ()->clear_translators (0,
                                                     &out_stream);

    // Send the request for the header
    if (this->resolver_.transport ()->generate_request_header (this->details_,
                                                               spec,
                                                               out_stream)
        == -1)
      {
        ACE_THROW (CORBA::MARSHAL ());
      }

    this->resolver_.transport ()->assign_translators (0,
                                                      &out_stream);
  }

  void
  Remote_Invocation::marshal_data (TAO_OutputCDR &out_stream
                                   ACE_ENV_ARG_DECL)
  {
    if (this->details_.marshal_args (out_stream) == false)
      {
        ACE_THROW (CORBA::MARSHAL ());
      }

    return;
  }

  Invocation_Status
  Remote_Invocation::send_message (TAO_OutputCDR &cdr,
                                   short message_semantics,
                                   ACE_Time_Value *max_wait_time
                                   ACE_ENV_ARG_DECL)
  {
    TAO_Protocols_Hooks *tph =
      this->resolver_.stub ()->orb_core ()->get_protocols_hooks ();

    CORBA::Boolean set_client_network_priority =
      tph->set_client_network_priority (this->resolver_.transport ()->tag (),
                                        this->resolver_.stub ()
                                        ACE_ENV_ARG_PARAMETER);
    ACE_CHECK_RETURN (TAO_INVOKE_FAILURE);

    TAO_Connection_Handler *connection_handler =
      this->resolver_.transport ()->connection_handler ();

    connection_handler->set_dscp_codepoint (set_client_network_priority);

    int const retval =
      this->resolver_.transport ()->send_request (
        this->resolver_.stub (),
        this->resolver_.stub ()->orb_core (),
        cdr,
        message_semantics,
        max_wait_time);

    if (retval == -1)
      {
        if (errno == ETIME)
          {
            // We sent a message already and we haven't gotten a
            // reply.  Just throw TIMEOUT with *COMPLETED_MAYBE*.
            ACE_THROW_RETURN (
                CORBA::TIMEOUT (
                    CORBA::SystemException::_tao_minor_code (
                        TAO_TIMEOUT_SEND_MINOR_CODE,
                        errno
                        ),
                    CORBA::COMPLETED_MAYBE
                    ),
                TAO_INVOKE_FAILURE
                );
          }

        if (TAO_debug_level > 2)
          {
            ACE_DEBUG ((LM_DEBUG,
                        ACE_TEXT ("TAO (%P|%t) - ")
                        ACE_TEXT ("Remote_Invocation::send_message, ")
                        ACE_TEXT ("failure while sending message \n")));
          }

        // Close the transport and all the associated stuff along with
        // it.
        this->resolver_.transport ()->close_connection ();
        this->resolver_.stub ()->reset_profiles ();
        return TAO_INVOKE_RESTART;
      }

    this->resolver_.stub ()->set_valid_profile ();
    return TAO_INVOKE_SUCCESS;
  }
}

TAO_END_VERSIONED_NAMESPACE_DECL

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