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//$Id$
#include "tao/Remote_Invocation.h"
#include "tao/Profile.h"
#include "tao/Profile_Transport_Resolver.h"
#include "tao/Stub.h"
#include "tao/Connection_Handler.h"
#include "tao/operation_details.h"
#include "tao/ORB_Core.h"
#include "tao/Protocols_Hooks.h"
#include "tao/Network_Priority_Protocols_Hooks.h"
#include "tao/debug.h"
#include "tao/SystemException.h"
ACE_RCSID (tao,
Remote_Invocation,
"$Id$")
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,
TAO_OutputCDR &output)
{
// Generate all service contexts
this->resolver_.stub ()->orb_core ()->service_context_registry ().
generate_service_context (
this->resolver_.stub (),
*this->resolver_.transport (),
this->details_,
target_spec,
output);
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;
if (this->resolver_.stub ()->create_ior_info (ior_info, index) == -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_OutputCDR &out_stream)
{
this->resolver_.transport ()->clear_translators (0, &out_stream);
TAO_Target_Specification spec;
this->init_target_spec (spec, out_stream);
// Send the request for the header
if (this->resolver_.transport ()->generate_request_header (this->details_,
spec,
out_stream) == -1)
{
throw ::CORBA::MARSHAL ();
}
this->resolver_.transport ()->assign_translators (0, &out_stream);
}
void
Remote_Invocation::marshal_data (TAO_OutputCDR &out_stream)
{
// Marshal application data
if (this->details_.marshal_args (out_stream) == false)
{
throw ::CORBA::MARSHAL ();
}
}
Invocation_Status
Remote_Invocation::send_message (TAO_OutputCDR &cdr,
TAO_Message_Semantics message_semantics,
ACE_Time_Value *max_wait_time)
{
TAO_Protocols_Hooks *tph =
this->resolver_.stub ()->orb_core ()->get_protocols_hooks ();
TAO_Network_Priority_Protocols_Hooks *nph =
this->resolver_.stub ()->orb_core ()->
get_network_priority_protocols_hooks ();
TAO_Connection_Handler *connection_handler =
this->resolver_.transport ()->connection_handler ();
if (nph != 0)
{
// nph = 0, means DiffServ library is not used
// nph = 0, means DiffServ library is used, and
// request DSCP and reply DSCP are set.
// Note that the application could still be using
// RTCORBA, but still setting DIffServ codepoints
// using the DiffServ library takes precedence.
//
CORBA::Long const dscp = nph->get_dscp_codepoint (this->resolver_.stub (),
this->resolver_.object ());
connection_handler->set_dscp_codepoint (dscp);
}
else if (tph != 0)
{
// If we execute this code, DiffServ library is not used,
// but RTCORBA could be used.
// Which means that using the enable_network_priority flag,
// the application might want to set DiffServ codepoints.
// Check if that is the case.
//
CORBA::Boolean const set_client_network_priority =
tph->set_client_network_priority (
this->resolver_.transport ()->tag (),
this->resolver_.stub ());
connection_handler->set_dscp_codepoint (set_client_network_priority);
}
// Note that if noth nph and tph are 0, then we do not make any
// virtual calls any more, because we have removed the default
// implementations.
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*.
throw ::CORBA::TIMEOUT (
CORBA::SystemException::_tao_minor_code (
TAO_TIMEOUT_SEND_MINOR_CODE,
errno),
CORBA::COMPLETED_MAYBE);
}
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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