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#include "tao/LF_CH_Event.h"
ACE_RCSID(tao,
LF_Invocation_Event,
"$Id$")
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
TAO_LF_CH_Event::TAO_LF_CH_Event (void)
: TAO_LF_Event (),
prev_state_ (TAO_LF_Event::LFS_IDLE)
{
}
TAO_LF_CH_Event::~TAO_LF_CH_Event (void)
{
}
void
TAO_LF_CH_Event::state_changed_i (int new_state)
{
if (this->state_ == new_state)
return;
// Validate the state change
if (this->state_ == TAO_LF_Event::LFS_IDLE)
{
// From the LFS_IDLE state we can only become active.
if (new_state == TAO_LF_Event::LFS_CONNECTION_WAIT)
{
this->prev_state_ = this->state_;
this->state_ = new_state;
}
return;
}
else if (this->state_ == TAO_LF_Event::LFS_CONNECTION_WAIT)
{
// Only a few states are possible from CONNECTION_WAIT states
if (new_state == TAO_LF_Event::LFS_CONNECTION_CLOSED
|| new_state == TAO_LF_Event::LFS_SUCCESS)
{
this->prev_state_ = this->state_;
this->state_ = new_state;
}
return;
}
else if (this->state_ == TAO_LF_Event::LFS_SUCCESS)
{
if (new_state == TAO_LF_Event::LFS_CONNECTION_CLOSED)
{
this->prev_state_ = this->state_;
this->state_ = new_state;
}
return;
}
else if (this->state_ == TAO_LF_Event::LFS_TIMEOUT)
{
if (new_state == TAO_LF_Event::LFS_CONNECTION_CLOSED)
{
// Dont reset the previous state
this->state_ = new_state;
}
}
return;
}
int
TAO_LF_CH_Event::successful (void) const
{
if (this->prev_state_ == TAO_LF_Event::LFS_CONNECTION_WAIT)
return this->state_ == TAO_LF_Event::LFS_SUCCESS;
return this->state_ == TAO_LF_Event::LFS_CONNECTION_CLOSED;
}
int
TAO_LF_CH_Event::error_detected (void) const
{
if (this->prev_state_ == TAO_LF_Event::LFS_CONNECTION_WAIT)
return this->state_ == TAO_LF_Event::LFS_CONNECTION_CLOSED;
return this->state_ == TAO_LF_Event::LFS_TIMEOUT;
}
void
TAO_LF_CH_Event::set_state (int new_state)
{
// @@ NOTE: Is this still required?
if (this->is_state_final () == 0
&& new_state == TAO_LF_Event::LFS_TIMEOUT)
{
this->state_ = new_state;
}
}
int
TAO_LF_CH_Event::is_state_final (void)
{
return this->state_ == TAO_LF_Event::LFS_CONNECTION_CLOSED;
}
TAO_END_VERSIONED_NAMESPACE_DECL
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