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// $Id$
#include "tao/DynamicInterface/DII_Reply_Dispatcher.h"
#include "tao/DynamicInterface/Request.h"
#include "tao/debug.h"
#include "tao/ORB_Core.h"
#include "tao/Pluggable_Messaging_Utils.h"
#include "tao/SystemException.h"
ACE_RCSID(DynamicInterface,
DII_Reply_Dispatcher,
"$Id$")
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
// Constructor.
TAO_DII_Deferred_Reply_Dispatcher::TAO_DII_Deferred_Reply_Dispatcher (
const CORBA::Request_ptr req,
TAO_ORB_Core *orb_core)
: TAO_Asynch_Reply_Dispatcher_Base (orb_core)
, req_ (req)
{
}
// Destructor.
TAO_DII_Deferred_Reply_Dispatcher::~TAO_DII_Deferred_Reply_Dispatcher (void)
{
}
// Dispatch the reply.
int
TAO_DII_Deferred_Reply_Dispatcher::dispatch_reply (
TAO_Pluggable_Reply_Params ¶ms)
{
if (params.input_cdr_ == 0)
return -1;
this->reply_status_ = params.reply_status ();
this->locate_reply_status_ = params.locate_reply_status ();
// Transfer the <params.input_cdr_>'s content to this->reply_cdr_
ACE_Data_Block *db = this->reply_cdr_.clone_from (*params.input_cdr_);
if (db == 0)
{
if (TAO_debug_level > 2)
{
ACE_ERROR ((
LM_ERROR,
"TAO (%P|%t) - DII_Deferred_Reply_Dispatcher::dispatch_reply "
"clone_from failed\n"));
}
return -1;
}
// See whether we need to delete the data block by checking the
// flags. We cannot be happy that we initally allocated the
// datablocks of the stack. If this method is called twice, as is in
// some cases where the same invocation object is used to make two
// invocations like forwarding, the release becomes essential.
if (ACE_BIT_DISABLED (db->flags (),
ACE_Message_Block::DONT_DELETE))
db->release ();
// Steal the buffer, that way we don't do any unnecesary copies of
// this data.
CORBA::ULong max = params.svc_ctx_.maximum ();
CORBA::ULong len = params.svc_ctx_.length ();
IOP::ServiceContext* context_list = params.svc_ctx_.get_buffer (1);
this->reply_service_info_.replace (max, len, context_list, 1);
if (TAO_debug_level >= 4)
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P | %t):TAO_Asynch_Reply_Dispatcher::dispatch_reply:\n")));
}
try
{
// Call the Request back and send the reply data.
this->req_->handle_response (this->reply_cdr_, this->reply_status_);
}
catch (const ::CORBA::Exception& ex)
{
if (TAO_debug_level >= 4)
{
ex._tao_print_exception ("Exception during reply handler");
}
}
// This was dynamically allocated. Now the job is done.
this->intrusive_remove_ref (this);
return 1;
}
void
TAO_DII_Deferred_Reply_Dispatcher::connection_closed (void)
{
try
{
// Generate a fake exception....
CORBA::COMM_FAILURE comm_failure (0, CORBA::COMPLETED_MAYBE);
TAO_OutputCDR out_cdr;
comm_failure._tao_encode (out_cdr);
// Turn into an output CDR
TAO_InputCDR cdr (out_cdr);
this->req_->handle_response (cdr, GIOP::SYSTEM_EXCEPTION);
}
catch (const ::CORBA::Exception& ex)
{
if (TAO_debug_level >= 4)
{
ex._tao_print_exception (
"DII_Deferred_Reply_Dispacher::connection_closed");
}
}
this->intrusive_remove_ref (this);
}
TAO_DII_Asynch_Reply_Dispatcher::TAO_DII_Asynch_Reply_Dispatcher (
const Messaging::ReplyHandler_ptr callback,
TAO_ORB_Core *orb_core)
: TAO_Asynch_Reply_Dispatcher_Base (orb_core),
db_ (sizeof buf_,
ACE_Message_Block::MB_DATA,
this->buf_,
orb_core->input_cdr_buffer_allocator (),
orb_core->locking_strategy (),
ACE_Message_Block::DONT_DELETE,
orb_core->input_cdr_dblock_allocator ()),
reply_cdr_ (&db_,
ACE_Message_Block::DONT_DELETE,
TAO_ENCAP_BYTE_ORDER,
TAO_DEF_GIOP_MAJOR,
TAO_DEF_GIOP_MINOR,
orb_core),
callback_ (callback)
{
}
TAO_DII_Asynch_Reply_Dispatcher::~TAO_DII_Asynch_Reply_Dispatcher (void)
{
// this was handed to us by the caller.
CORBA::release(callback_);
}
int
TAO_DII_Asynch_Reply_Dispatcher::dispatch_reply (
TAO_Pluggable_Reply_Params ¶ms)
{
this->reply_status_ = params.reply_status ();
this->locate_reply_status_ = params.locate_reply_status ();
// Transfer the <params.input_cdr_>'s content to this->reply_cdr_
ACE_Data_Block *db =
this->reply_cdr_.clone_from (*params.input_cdr_);
// See whether we need to delete the data block by checking the
// flags. We cannot be happy that we initally allocated the
// datablocks of the stack. If this method is called twice, as is in
// some cases where the same invocation object is used to make two
// invocations like forwarding, the release becomes essential.
if (ACE_BIT_DISABLED (db->flags (),
ACE_Message_Block::DONT_DELETE))
db->release ();
// Steal the buffer, that way we don't do any unnecesary copies of
// this data.
CORBA::ULong max = params.svc_ctx_.maximum ();
CORBA::ULong len = params.svc_ctx_.length ();
IOP::ServiceContext* context_list = params.svc_ctx_.get_buffer (1);
this->reply_service_info_.replace (max, len, context_list, 1);
if (TAO_debug_level >= 4)
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P | %t):")
ACE_TEXT ("TAO_DII_Asynch_Reply_Dispatcher::dispatch_reply: status = %d\n"),
this->reply_status_));
}
try
{
// Call the handler with the reply data.
CORBA::Request::_tao_reply_stub (this->reply_cdr_,
this->callback_,
this->reply_status_);
}
catch (const CORBA::Exception& ex)
{
if (TAO_debug_level >= 4)
{
ex._tao_print_exception ("Exception during reply handler");
}
}
// This was dynamically allocated. Now the job is done.
this->intrusive_remove_ref (this);
return 1;
}
void
TAO_DII_Asynch_Reply_Dispatcher::connection_closed (void)
{
try
{
// Generate a fake exception....
CORBA::COMM_FAILURE comm_failure (0,
CORBA::COMPLETED_MAYBE);
TAO_OutputCDR out_cdr;
comm_failure._tao_encode (out_cdr);
// Turn into an output CDR
TAO_InputCDR cdr (out_cdr);
CORBA::Request::_tao_reply_stub (
this->reply_cdr_,
this->callback_,
GIOP::SYSTEM_EXCEPTION);
}
catch (const CORBA::Exception& ex)
{
if (TAO_debug_level >= 4)
{
ex._tao_print_exception (
"DII_Asynch_Reply_Dispacher::connection_closed");
}
}
this->intrusive_remove_ref (this);
}
TAO_END_VERSIONED_NAMESPACE_DECL
|
