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Diffstat (limited to 'TAO/tao/DynamicInterface/DII_Reply_Dispatcher.cpp')
-rw-r--r--TAO/tao/DynamicInterface/DII_Reply_Dispatcher.cpp240
1 files changed, 240 insertions, 0 deletions
diff --git a/TAO/tao/DynamicInterface/DII_Reply_Dispatcher.cpp b/TAO/tao/DynamicInterface/DII_Reply_Dispatcher.cpp
new file mode 100644
index 00000000000..74ae33a1881
--- /dev/null
+++ b/TAO/tao/DynamicInterface/DII_Reply_Dispatcher.cpp
@@ -0,0 +1,240 @@
+// $Id$
+
+#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 &params)
+{
+ if (params.input_cdr_ == 0)
+ return -1;
+
+ this->reply_status_ = params.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.
+ (void) this->decr_refcount ();
+
+ 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, TAO_PLUGGABLE_MESSAGE_SYSTEM_EXCEPTION);
+ }
+ catch (const ::CORBA::Exception& ex)
+ {
+ if (TAO_debug_level >= 4)
+ {
+ ex._tao_print_exception (
+ "DII_Deferred_Reply_Dispacher::connection_closed");
+ }
+ }
+
+ (void) this->decr_refcount ();
+}
+
+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 &params
+ )
+{
+ this->reply_status_ = params.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.
+ (void) this->decr_refcount ();
+
+ 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_,
+ TAO_PLUGGABLE_MESSAGE_SYSTEM_EXCEPTION);
+ }
+ catch (const CORBA::Exception& ex)
+ {
+ if (TAO_debug_level >= 4)
+ {
+ ex._tao_print_exception (
+ "DII_Asynch_Reply_Dispacher::connection_closed");
+ }
+ }
+
+ (void) this->decr_refcount ();
+}
+TAO_END_VERSIONED_NAMESPACE_DECL