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// $Id$
#include "tao/Block_Flushing_Strategy.h"
#include "tao/Transport.h"
#include "tao/Queued_Message.h"
#include "tao/Connection_Handler.h"
#include "ace/Countdown_Time.h"
ACE_RCSID(tao, Block_Flushing_Strategy, "$Id$")
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
int
TAO_Block_Flushing_Strategy::schedule_output (TAO_Transport *)
{
return MUST_FLUSH;
}
int
TAO_Block_Flushing_Strategy::cancel_output (TAO_Transport *)
{
return 0;
}
int
TAO_Block_Flushing_Strategy::call_handle_output (TAO_Transport *transport,
const TAO::Transport::Drain_Constraints &dc)
{
switch (transport->handle_output (dc).dre_)
{
case TAO_Transport::DR_ERROR: return -1;
case TAO_Transport::DR_QUEUE_EMPTY: // won't happen, fall-through anyway
case TAO_Transport::DR_OK: return 0;
case TAO_Transport::DR_WOULDBLOCK:
{
ACE_Countdown_Time counter (dc.timeout ());
TAO_Connection_Handler &ch = *transport->connection_handler ();
if (ch.handle_write_ready (dc.timeout ()) == -1)
{
return -1;
}
return 0;
}
}
return 0;
}
int
TAO_Block_Flushing_Strategy::flush_message (TAO_Transport *transport,
TAO_Queued_Message *msg,
ACE_Time_Value *max_wait_time)
{
TAO::Transport::Drain_Constraints dc (max_wait_time, true);
while (!msg->all_data_sent ())
{
if (this->call_handle_output (transport, dc) == -1)
return -1;
}
return 0;
}
int
TAO_Block_Flushing_Strategy::flush_transport (TAO_Transport *transport,
ACE_Time_Value *max_wait_time)
{
TAO::Transport::Drain_Constraints dc (max_wait_time, true);
while (!transport->queue_is_empty ())
{
if (this->call_handle_output (transport, dc) == -1)
return -1;
}
return 0;
}
TAO_END_VERSIONED_NAMESPACE_DECL
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