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// $Id$
#include "tao/Asynch_Invocation.h"
#include "tao/Timeprobe.h"
#include "tao/Stub.h"
#include "tao/Principal.h"
#include "tao/Object_KeyC.h"
#include "tao/debug.h"
#if !defined (__ACE_INLINE__)
# include "tao/Asynch_Invocation.i"
#endif /* ! __ACE_INLINE__ */
ACE_RCSID(tao, Asynch_Invocation, "$Id$")
#if defined (ACE_ENABLE_TIMEPROBES)
static const char *TAO_Asynch_Invocation_Timeprobe_Description[] =
{
"GIOP_Asynch_Invocation::invoke - start",
"GIOP_Asynch_Invocation::invoke - end",
"GIOP_Asynch_Invocation::start - enter",
"GIOP_Asynch_Invocation::start - leave",
"GIOP_Asynch_Invocation::start - connect",
"GIOP_Asynch_Invocation::start - start_msg",
"GIOP_Asynch_Invocation::start - request_hdr"
};
enum
{
TAO_GIOP_ASYNCH_INVOCATION_INVOKE_START = 1000,
TAO_GIOP_ASYNCH_INVOCATION_INVOKE_END,
TAO_GIOP_ASYNCH_INVOCATION_START_ENTER,
TAO_GIOP_ASYNCH_INVOCATION_START_LEAVE,
TAO_GIOP_ASYNCH_INVOCATION_START_CONNECT,
TAO_GIOP_ASYNCH_INVOCATION_START_START_MSG,
TAO_GIOP_ASYNCH_INVOCATION_START_REQUEST_HDR
};
// Setup Timeprobes
ACE_TIMEPROBE_EVENT_DESCRIPTIONS (TAO_Asynch_Invocation_Timeprobe_Description,
TAO_GIOP_ASYNCH_INVOCATION_INVOKE_START);
#endif /* ACE_ENABLE_TIMEPROBES */
TAO_GIOP_Asynch_Invocation::TAO_GIOP_Asynch_Invocation (TAO_Stub *stub,
const char *operation,
TAO_ORB_Core* orb_core)
: TAO_GIOP_Invocation (stub,
operation,
orb_core)
{
}
TAO_GIOP_Asynch_Invocation::~TAO_GIOP_Asynch_Invocation (void)
{
}
// ****************************************************************
void
TAO_GIOP_Twoway_Asynch_Invocation::start (CORBA::Environment &ACE_TRY_ENV)
ACE_THROW_SPEC ((CORBA::SystemException))
{
this->TAO_GIOP_Asynch_Invocation::start (ACE_TRY_ENV);
ACE_CHECK;
// If there was a previous reply, cleanup its state first.
if (this->message_state_->message_size != 0)
this->message_state_->reset ();
this->transport_->start_request (this->orb_core_,
this->profile_,
this->opname_,
this->request_id_,
1,
this->out_stream_,
ACE_TRY_ENV);
}
int
TAO_GIOP_Twoway_Asynch_Invocation::invoke (CORBA::ExceptionList &exceptions,
CORBA::Environment &ACE_TRY_ENV)
ACE_THROW_SPEC ((CORBA::SystemException,CORBA::UnknownUserException))
{
TAO_FUNCTION_PP_TIMEPROBE (TAO_GIOP_ASYNCH_INVOCATION_INVOKE_START);
int retval = this->invoke_i (ACE_TRY_ENV);
ACE_CHECK_RETURN (retval);
// A TAO_INVOKE_EXCEPTION status, but no exception raised means that
// we have a user exception.
// @@ This is a bit brittle, think about a better implementation.
if (retval == TAO_INVOKE_EXCEPTION)
{
// Match the exception interface repository id with the
// exception in the exception list.
// This is important to decode the exception.
CORBA::String_var buf;
// Pull the exception ID out of the marshaling buffer.
if (this->inp_stream ().read_string (buf.inout ()) == 0)
{
ACE_THROW_RETURN (CORBA::MARSHAL (TAO_DEFAULT_MINOR_CODE, CORBA::COMPLETED_YES),
TAO_INVOKE_EXCEPTION);
}
for (CORBA::ULong i = 0;
i < exceptions.count ();
i++)
{
CORBA::TypeCode_ptr tcp = exceptions.item (i, ACE_TRY_ENV);
ACE_CHECK_RETURN (TAO_INVOKE_EXCEPTION);
const char *xid = tcp->id (ACE_TRY_ENV);
ACE_CHECK_RETURN (TAO_INVOKE_EXCEPTION);
if (ACE_OS::strcmp (buf.in (), xid) != 0)
continue;
const ACE_Message_Block* cdr =
this->inp_stream ().start ();
CORBA_Any any (tcp, 0, cdr);
CORBA_Exception *exception;
ACE_NEW_THROW_EX (exception,
CORBA_UnknownUserException (any),
CORBA::NO_MEMORY (TAO_DEFAULT_MINOR_CODE, CORBA::COMPLETED_YES));
ACE_CHECK_RETURN (TAO_INVOKE_EXCEPTION);
// @@ Think about a better way to raise the exception here,
// maybe we need some more macros?
ACE_TRY_ENV.exception (exception);
return TAO_INVOKE_EXCEPTION;
}
// If we couldn't find the right exception, report it as
// CORBA::UNKNOWN.
// @@ It would seem like if the remote exception is a
// UserException we can assume that the request was
// completed.
ACE_THROW_RETURN (CORBA::UNKNOWN (TAO_DEFAULT_MINOR_CODE, CORBA::COMPLETED_YES),
TAO_INVOKE_EXCEPTION);
}
return retval;
}
int
TAO_GIOP_Twoway_Asynch_Invocation::invoke (TAO_Exception_Data *excepts,
CORBA::ULong except_count,
CORBA::Environment &ACE_TRY_ENV)
ACE_THROW_SPEC ((CORBA::Exception))
{
TAO_FUNCTION_PP_TIMEPROBE (TAO_GIOP_ASYNCH_INVOCATION_INVOKE_START);
int retval = this->invoke_i (ACE_TRY_ENV);
ACE_CHECK_RETURN (retval);
// A TAO_INVOKE_EXCEPTION status, but no exception raised means that
// we have a user exception.
// @@ This is a bit brittle, think about a better implementation.
if (retval == TAO_INVOKE_EXCEPTION)
{
// Match the exception interface repository id with the
// exception in the exception list.
// This is important to decode the exception.
CORBA::String_var buf;
// Pull the exception ID out of the marshaling buffer.
if (this->inp_stream ().read_string (buf.inout ()) == 0)
{
ACE_THROW_RETURN (CORBA::MARSHAL (TAO_DEFAULT_MINOR_CODE, CORBA::COMPLETED_YES),
TAO_INVOKE_EXCEPTION);
}
for (CORBA::ULong i = 0;
i < except_count;
i++)
{
CORBA::TypeCode_ptr tcp = excepts[i].tc;
const char *xid = tcp->id (ACE_TRY_ENV);
ACE_CHECK_RETURN (TAO_INVOKE_EXCEPTION);
if (ACE_OS::strcmp (buf.in (), xid) != 0)
continue;
// Match.
CORBA::Exception_ptr exception = excepts[i].alloc ();
if (exception == 0)
ACE_THROW_RETURN (CORBA::NO_MEMORY (TAO_DEFAULT_MINOR_CODE, CORBA::COMPLETED_YES),
TAO_INVOKE_EXCEPTION);
this->inp_stream ().decode (exception->_type (),
exception, 0,
ACE_TRY_ENV);
ACE_CHECK_RETURN (TAO_INVOKE_EXCEPTION);
if (TAO_debug_level > 5)
ACE_DEBUG ((LM_DEBUG,
"TAO: (%P|%t) Raising exception %s\n",
buf.in ()));
// @@ Think about a better way to raise the exception here,
// maybe we need some more macros?
ACE_TRY_ENV.exception (exception);
return TAO_INVOKE_EXCEPTION;
}
// If we couldn't find the right exception, report it as
// CORBA::UNKNOWN.
ACE_THROW_RETURN (CORBA::UNKNOWN (TAO_DEFAULT_MINOR_CODE, CORBA::COMPLETED_YES),
TAO_INVOKE_EXCEPTION);
}
return retval;
}
int
TAO_GIOP_Twoway_Asynch_Invocation::invoke_i (CORBA::Environment &ACE_TRY_ENV)
ACE_THROW_SPEC ((CORBA::SystemException))
{
// Register a reply dispatcher for this Asynch_Invocation. Use the
// heap allocated reply dispatcher.
int retval = this->transport_->bind_reply_dispatcher (this->request_id_,
this->rd_);
if (retval == -1)
{
// @@ What is the right way to handle this error?
this->close_connection ();
ACE_THROW_RETURN (CORBA::INTERNAL (TAO_DEFAULT_MINOR_CODE,
CORBA::COMPLETED_NO),
TAO_INVOKE_EXCEPTION);
}
// Just send the request, without trying to wait for the reply.
retval = TAO_GIOP_Asynch_Invocation::invoke (1, ACE_TRY_ENV);
ACE_CHECK_RETURN (retval);
if (retval != TAO_INVOKE_OK)
return retval;
// We do not wait for the reply. Let us return.
return TAO_INVOKE_OK;
}
#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION)
#elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA)
#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */
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