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#include "tao/Resume_Handle.h"
#include "tao/ORB_Core.h"
#include "ace/Reactor.h"
#if !defined (__ACE_INLINE__)
# include "tao/Resume_Handle.inl"
#endif /* __ACE_INLINE__ */
ACE_RCSID (tao,
Resume_Handle,
"$Id$")
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
void
TAO_Resume_Handle::resume_handle (void)
{
// If we have a complete message, just resume the handler
// Resume the handler.
if (this->orb_core_ &&
this->orb_core_->reactor ()->resumable_handler () &&
this->flag_ == TAO_HANDLE_RESUMABLE &&
this->handle_ != ACE_INVALID_HANDLE)
{
this->orb_core_->reactor ()->resume_handler (this->handle_);
}
// Set the flag, so that we dont resume again..
this->flag_ = TAO_HANDLE_ALREADY_RESUMED;
}
void
TAO_Resume_Handle::handle_input_return_value_hook (int& return_value)
{
// RT8248: The return value is only changed from 1 to 0 if:
// 1) the handle_input return value wants an immediate callback
// on the handle (i.e. will return "1")
// 2) this->resume_handle was already called
// 3) reactor->resume_handler was called by this->resume_handle
// The value is changed because you can't ask for an immediate callback
// on a handle that you have already given up ownership of. (RT8248)
if ( return_value == 1 &&
this->flag_ == TAO_HANDLE_ALREADY_RESUMED &&
this->orb_core_ &&
this->orb_core_->reactor ()->resumable_handler () &&
this->handle_ != ACE_INVALID_HANDLE)
{
// a return value of "1" means "call me back immediately;
// but we can't "call me back immediately" on an
// already-resumed handle
return_value = 0;
if (TAO_debug_level > 6)
{
ACE_DEBUG ((LM_DEBUG,
"TAO (%P|%t) - Resume_Handle::handle_input_return_value_hook, "
"overriding return value of 1 with retval = %d\n",
return_value));
}
}
else if ( return_value == -1 )
{
// this covers the "connection close" case, where you want
// to leave the handle suspended if you're return -1 to
// remove the handle from the Reactor. (See ChangeLog entry
// Fri Dec 16 14:40:54 2005)
this->flag_ = TAO_HANDLE_LEAVE_SUSPENDED;
if (TAO_debug_level > 6)
{
ACE_DEBUG ((LM_DEBUG,
"TAO (%P|%t) - Resume_Handle::handle_input_return_value_hook, "
"handle_input returning -1, so handle is not resumed.\n"));
}
}
}
TAO_END_VERSIONED_NAMESPACE_DECL
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