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// -*- C++ -*-
// $Id$
#include "tao/Messaging/Asynch_Invocation_Adapter.h"
#include "tao/Messaging/Asynch_Reply_Dispatcher.h"
#include "tao/Messaging/Asynch_Invocation.h"
#include "tao/Messaging/AMI_Arguments_Converter_Impl.h"
#include "tao/Profile_Transport_Resolver.h"
#include "tao/operation_details.h"
#include "tao/Stub.h"
#include "tao/Transport.h"
#include "tao/Muxed_TMS.h"
#include "tao/ORB_Constants.h"
#include "tao/debug.h"
#include "tao/ORB_Core.h"
#include "tao/Thread_Lane_Resources.h"
#include "tao/GIOP_Utils.h"
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
namespace TAO
{
Asynch_Invocation_Adapter::Asynch_Invocation_Adapter (
CORBA::Object *target,
Argument **args,
int arg_number,
const char *operation,
size_t op_len,
int collocation_opportunity,
Invocation_Mode m)
: Invocation_Adapter (target,
args,
arg_number,
operation,
op_len,
collocation_opportunity,
TAO_TWOWAY_INVOCATION,
m)
, safe_rd_ ()
{
}
void
Asynch_Invocation_Adapter::invoke (
Messaging::ReplyHandler_ptr reply_handler_ptr,
const TAO_Reply_Handler_Stub &reply_handler_stub)
{
TAO_Stub * stub =
this->get_stub ();
if (TAO_debug_level >= 4)
{
TAOLIB_DEBUG ((LM_DEBUG,
"TAO_Messaging (%P|%t) - Asynch_Invocation_Adapter::"
"invoke\n"));
}
// If the reply handler is nil, we do not create a reply dispatcher.
// The ORB will drop replies to which it cannot associate a reply
// dispatcher.
if (!CORBA::is_nil (reply_handler_ptr))
{
// New reply dispatcher on the heap or allocator, because
// we will go out of scope and hand over the reply dispatcher
// to the ORB.
TAO_Asynch_Reply_Dispatcher *rd = 0;
// Get the allocator we could use.
ACE_Allocator* ami_allocator =
stub->orb_core ()->lane_resources().ami_response_handler_allocator();
// If we have an allocator, use it, else use the heap.
if (ami_allocator)
{
ACE_NEW_MALLOC (
rd,
static_cast<TAO_Asynch_Reply_Dispatcher *> (
ami_allocator->malloc (sizeof (TAO_Asynch_Reply_Dispatcher))),
TAO_Asynch_Reply_Dispatcher (reply_handler_stub,
reply_handler_ptr,
stub->orb_core (),
ami_allocator));
}
else
{
ACE_NEW (rd,
TAO_Asynch_Reply_Dispatcher (reply_handler_stub,
reply_handler_ptr,
stub->orb_core (),
0));
}
if (rd == 0)
{
throw ::CORBA::NO_MEMORY ();
}
this->safe_rd_.reset (rd);
}
Invocation_Adapter::invoke (0, 0);
}
void
Asynch_Invocation_Adapter::invoke (
TAO::Exception_Data *ex,
unsigned long ex_count
)
{
Invocation_Adapter::invoke (ex, ex_count );
}
Invocation_Status
Asynch_Invocation_Adapter::invoke_collocated_i (
TAO_Stub *stub,
TAO_Operation_Details &details,
CORBA::Object_var &effective_target,
Collocation_Strategy strat)
{
if (stub->orb_core ()->orb_params ()->ami_collication ())
{
// When doing a collocation asynch invocation we shouldn't use the
// stub args but use the skel args
details.use_stub_args (false);
TAO_AMI_Arguments_Converter_Impl* ami_arguments_converter
= ACE_Dynamic_Service<TAO_AMI_Arguments_Converter_Impl>::instance (
"AMI_Arguments_Converter");
details.cac (ami_arguments_converter);
// Release the owner ship of the reply dispatcher
details.reply_dispatcher (this->safe_rd_.release ());
return Invocation_Adapter::invoke_collocated_i (stub,
details,
effective_target,
strat);
}
else
{
ACE_Time_Value *max_wait_time = 0;
return Invocation_Adapter::invoke_remote_i (stub,
details,
effective_target,
max_wait_time);
}
}
Invocation_Status
Asynch_Invocation_Adapter::invoke_twoway (
TAO_Operation_Details &op,
CORBA::Object_var &effective_target,
Profile_Transport_Resolver &r,
ACE_Time_Value *&max_wait_time,
Invocation_Retry_State *retry_state)
{
ACE_UNUSED_ARG (retry_state);
// Simple sanity check
if (this->mode_ != TAO_ASYNCHRONOUS_CALLBACK_INVOCATION
|| this->type_ != TAO_TWOWAY_INVOCATION)
{
throw ::CORBA::INTERNAL (
CORBA::SystemException::_tao_minor_code (
TAO::VMCID,
EINVAL),
CORBA::COMPLETED_NO);
}
if (this->safe_rd_.get () && r.transport ())
{
this->safe_rd_->transport (r.transport ());
// AMI Timeout Handling Begin
ACE_Time_Value tmp;
if (this->get_timeout (r.stub (), tmp))
{
this->safe_rd_->schedule_timer (op.request_id (), *max_wait_time);
}
}
// Loose ownership of the reply dispatcher
TAO::Asynch_Remote_Invocation asynch (
effective_target.in (),
r,
op,
this->safe_rd_.release ());
Invocation_Status const s = asynch.remote_invocation (max_wait_time);
if (s == TAO_INVOKE_RESTART &&
(asynch.reply_status () == GIOP::LOCATION_FORWARD ||
asynch.reply_status () == GIOP::LOCATION_FORWARD_PERM))
{
CORBA::Boolean const permanent_forward =
(asynch.reply_status () == GIOP::LOCATION_FORWARD_PERM);
effective_target = asynch.steal_forwarded_reference ();
this->object_forwarded (effective_target, r.stub (), permanent_forward);
}
return s;
}
} // End namespace TAO
TAO_END_VERSIONED_NAMESPACE_DECL
|
