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|
// $Id$
#define ACE_BUILD_DLL
#include "ace/Proactor.h"
#include "ace/Proactor_Impl.h"
#include "ace/Object_Manager.h"
ACE_RCSID(ace, Proactor, "$Id$")
#if ((defined (ACE_WIN32) && !defined (ACE_HAS_WINCE)) || (defined (ACE_HAS_AIO_CALLS)))
// This only works on Win32 platforms and on Unix platforms with aio
// calls.
#include "ace/Task_T.h"
#include "ace/Log_Msg.h"
#if defined (ACE_HAS_AIO_CALLS)
# include "ace/POSIX_Proactor.h"
#else /* !ACE_HAS_AIO_CALLS */
# include "ace/WIN32_Proactor.h"
#endif /* ACE_HAS_AIO_CALLS */
#if !defined (__ACE_INLINE__)
#include "ace/Proactor.i"
#endif /* __ACE_INLINE__ */
// Process-wide ACE_Proactor.
ACE_Proactor *ACE_Proactor::proactor_ = 0;
// Controls whether the Proactor is deleted when we shut down (we can
// only delete it safely if we created it!)
int ACE_Proactor::delete_proactor_ = 0;
// Terminate the eventloop.
sig_atomic_t ACE_Proactor::end_event_loop_ = 0;
ACE_Proactor::ACE_Proactor (ACE_Proactor_Impl *implementation,
int delete_implementation)
: implementation_ (0),
delete_implementation_ (delete_implementation)
{
this->implementation (implementation);
if (this->implementation () == 0)
{
#if defined (ACE_HAS_AIO_CALLS)
// POSIX Proactor.
#if defined (ACE_POSIX_AIOCB_PROACTOR)
ACE_NEW (implementation, ACE_POSIX_AIOCB_Proactor);
#elif defined (ACE_POSIX_SIG_PROACTOR)
ACE_NEW (implementation, ACE_POSIX_SIG_Proactor);
#else /* Default is to use the AIOCB one */
ACE_NEW (implementation, ACE_POSIX_AIOCB_Proactor);
#endif
#elif (defined (ACE_WIN32) && !defined (ACE_HAS_WINCE))
// WIN_Proactor.
ACE_NEW (implementation, ACE_WIN32_Proactor);
#endif /* ACE_HAS_AIO_CALLS */
this->implementation (implementation);
this->delete_implementation_ = 1;
}
}
ACE_Proactor::~ACE_Proactor (void)
{
if (this->delete_implementation_)
delete this->implementation ();
}
ACE_Proactor *
ACE_Proactor::instance (size_t threads)
{
ACE_TRACE ("ACE_Proactor::instance");
if (ACE_Proactor::proactor_ == 0)
{
// Perform Double-Checked Locking Optimization.
ACE_MT (ACE_GUARD_RETURN (ACE_Recursive_Thread_Mutex, ace_mon,
*ACE_Static_Object_Lock::instance (),
0));
if (ACE_Proactor::proactor_ == 0)
{
ACE_NEW_RETURN (ACE_Proactor::proactor_,
ACE_Proactor,
0);
ACE_Proactor::delete_proactor_ = 1;
}
}
return ACE_Proactor::proactor_;
}
ACE_Proactor *
ACE_Proactor::instance (ACE_Proactor *r)
{
ACE_TRACE ("ACE_Proactor::instance");
ACE_MT (ACE_GUARD_RETURN (ACE_Recursive_Thread_Mutex, ace_mon,
*ACE_Static_Object_Lock::instance (), 0));
ACE_Proactor *t = ACE_Proactor::proactor_;
// We can't safely delete it since we don't know who created it!
ACE_Proactor::delete_proactor_ = 0;
ACE_Proactor::proactor_ = r;
return t;
}
void
ACE_Proactor::close_singleton (void)
{
ACE_TRACE ("ACE_Proactor::close_singleton");
ACE_MT (ACE_GUARD (ACE_Recursive_Thread_Mutex, ace_mon,
*ACE_Static_Object_Lock::instance ()));
if (ACE_Proactor::delete_proactor_)
{
delete ACE_Proactor::proactor_;
ACE_Proactor::proactor_ = 0;
ACE_Proactor::delete_proactor_ = 0;
}
}
int
ACE_Proactor::run_event_loop (void)
{
ACE_TRACE ("ACE_Proactor::run_event_loop");
while (ACE_Proactor::end_event_loop_ == 0)
{
int result = ACE_Proactor::instance ()->handle_events ();
if (ACE_Service_Config::reconfig_occurred ())
ACE_Service_Config::reconfigure ();
else if (result == -1)
return -1;
}
return 0;
}
// Handle events for -tv- time. handle_events updates -tv- to reflect
// time elapsed, so do not return until -tv- == 0, or an error occurs.
int
ACE_Proactor::run_event_loop (ACE_Time_Value &tv)
{
ACE_TRACE ("ACE_Proactor::run_event_loop");
while (ACE_Proactor::end_event_loop_ == 0
&& tv != ACE_Time_Value::zero)
{
int result = ACE_Proactor::instance ()->handle_events (tv);
if (ACE_Service_Config::reconfig_occurred ())
ACE_Service_Config::reconfigure ();
// An error has occurred.
else if (result == -1)
return result;
}
return 0;
}
int
ACE_Proactor::end_event_loop (void)
{
ACE_TRACE ("ACE_Proactor::end_event_loop");
ACE_Proactor::end_event_loop_ = 1;
// ACE_Proactor::instance()->notify ();
return 0;
}
int
ACE_Proactor::event_loop_done (void)
{
ACE_TRACE ("ACE_Proactor::event_loop_done");
return ACE_Proactor::end_event_loop_ != 0;
}
int
ACE_Proactor::close (void)
{
return this->implementation ()->close ();
}
int
ACE_Proactor::register_handle (ACE_HANDLE handle,
const void *completion_key)
{
return this->implementation ()->register_handle (handle,
completion_key);
}
long
ACE_Proactor::schedule_timer (ACE_Handler &handler,
const void *act,
const ACE_Time_Value &time)
{
return this->implementation ()->schedule_timer (handler,
act,
time,
ACE_Time_Value::zero);
}
long
ACE_Proactor::schedule_repeating_timer (ACE_Handler &handler,
const void *act,
const ACE_Time_Value &interval)
{
return this->implementation ()->schedule_timer (handler,
act,
interval,
interval);
}
long
ACE_Proactor::schedule_timer (ACE_Handler &handler,
const void *act,
const ACE_Time_Value &time,
const ACE_Time_Value &interval)
{
return this->implementation ()->schedule_timer (handler,
act,
time,
interval);
}
int
ACE_Proactor::cancel_timer (long timer_id,
const void **arg,
int dont_call_handle_close)
{
return this->implementation ()->cancel_timer (timer_id,
arg,
dont_call_handle_close);
}
int
ACE_Proactor::cancel_timer (ACE_Handler &handler,
int dont_call_handle_close)
{
return this->implementation ()->cancel_timer (handler,
dont_call_handle_close);
}
int
ACE_Proactor::handle_events (ACE_Time_Value &wait_time)
{
return implementation ()->handle_events (wait_time);
}
int
ACE_Proactor::handle_events (void)
{
return this->implementation ()->handle_events ();
}
int
ACE_Proactor::wake_up_dispatch_threads (void)
{
return 0;
}
int
ACE_Proactor::close_dispatch_threads (int)
{
return 0;
}
size_t
ACE_Proactor::number_of_threads (void) const
{
return this->implementation ()->number_of_threads ();
}
void
ACE_Proactor::number_of_threads (size_t threads)
{
this->implementation ()->number_of_threads (threads);
}
ACE_HANDLE
ACE_Proactor::get_handle (void) const
{
return this->implementation ()->get_handle ();
}
ACE_Proactor_Impl *
ACE_Proactor::implementation (void) const
{
return this->implementation_;
}
ACE_Asynch_Read_Stream_Impl *
ACE_Proactor::create_asynch_read_stream (void)
{
return this->implementation ()->create_asynch_read_stream ();
}
ACE_Asynch_Write_Stream_Impl *
ACE_Proactor::create_asynch_write_stream (void)
{
return this->implementation ()->create_asynch_write_stream ();
}
ACE_Asynch_Read_File_Impl *
ACE_Proactor::create_asynch_read_file (void)
{
return this->implementation ()->create_asynch_read_file ();
}
ACE_Asynch_Write_File_Impl *
ACE_Proactor::create_asynch_write_file (void)
{
return this->implementation ()->create_asynch_write_file ();
}
ACE_Asynch_Accept_Impl *
ACE_Proactor::create_asynch_accept (void)
{
return this->implementation ()->create_asynch_accept ();
}
ACE_Asynch_Transmit_File_Impl *
ACE_Proactor::create_asynch_transmit_file (void)
{
return this->implementation ()->create_asynch_transmit_file ();
}
ACE_Asynch_Read_Stream_Result_Impl *
ACE_Proactor::create_asynch_read_stream_result (ACE_Handler &handler,
ACE_HANDLE handle,
ACE_Message_Block &message_block,
u_long bytes_to_read,
const void* act,
ACE_HANDLE event,
int priority)
{
return this->implementation ()->create_asynch_read_stream_result (handler,
handle,
message_block,
bytes_to_read,
act,
event,
priority);
}
ACE_Asynch_Write_Stream_Result_Impl *
ACE_Proactor::create_asynch_write_stream_result (ACE_Handler &handler,
ACE_HANDLE handle,
ACE_Message_Block &message_block,
u_long bytes_to_write,
const void* act,
ACE_HANDLE event,
int priority)
{
return this->implementation ()->create_asynch_write_stream_result (handler,
handle,
message_block,
bytes_to_write,
act,
event,
priority);
}
ACE_Asynch_Read_File_Result_Impl *
ACE_Proactor::create_asynch_read_file_result (ACE_Handler &handler,
ACE_HANDLE handle,
ACE_Message_Block &message_block,
u_long bytes_to_read,
const void* act,
u_long offset,
u_long offset_high,
ACE_HANDLE event,
int priority)
{
return this->implementation ()->create_asynch_read_file_result (handler,
handle,
message_block,
bytes_to_read,
act,
offset,
offset_high,
event,
priority);
}
ACE_Asynch_Write_File_Result_Impl *
ACE_Proactor::create_asynch_write_file_result (ACE_Handler &handler,
ACE_HANDLE handle,
ACE_Message_Block &message_block,
u_long bytes_to_write,
const void* act,
u_long offset,
u_long offset_high,
ACE_HANDLE event,
int priority)
{
return this->implementation ()->create_asynch_write_file_result (handler,
handle,
message_block,
bytes_to_write,
act,
offset,
offset_high,
event,
priority);
}
ACE_Asynch_Accept_Result_Impl *
ACE_Proactor::create_asynch_accept_result (ACE_Handler &handler,
ACE_HANDLE listen_handle,
ACE_HANDLE accept_handle,
ACE_Message_Block &message_block,
u_long bytes_to_read,
const void* act,
ACE_HANDLE event,
int priority)
{
return this->implementation ()->create_asynch_accept_result (handler,
listen_handle,
accept_handle,
message_block,
bytes_to_read,
act,
event,
priority);
}
ACE_Asynch_Transmit_File_Result_Impl *
ACE_Proactor::create_asynch_transmit_file_result (ACE_Handler &handler,
ACE_HANDLE socket,
ACE_HANDLE file,
ACE_Asynch_Transmit_File::Header_And_Trailer *header_and_trailer,
u_long bytes_to_write,
u_long offset,
u_long offset_high,
u_long bytes_per_send,
u_long flags,
const void *act,
ACE_HANDLE event,
int priority)
{
return this->implementation ()->create_asynch_transmit_file_result (handler,
socket,
file,
header_and_trailer,
bytes_to_write,
offset,
offset_high,
bytes_per_send,
flags,
act,
event,
priority);
}
void
ACE_Proactor::implementation (ACE_Proactor_Impl *implementation)
{
this->implementation_ = implementation;
}
#else /* !ACE_WIN32 || !ACE_HAS_AIO_CALLS */
ACE_Proactor *
ACE_Proactor::instance (size_t threads)
{
ACE_UNUSED_ARG (threads);
return 0;
}
ACE_Proactor *
ACE_Proactor::instance (ACE_Proactor *)
{
return 0;
}
void
ACE_Proactor::close_singleton (void)
{
}
int
ACE_Proactor::run_event_loop (void)
{
// not implemented
return -1;
}
int
ACE_Proactor::run_event_loop (ACE_Time_Value &tv)
{
// not implemented
ACE_UNUSED_ARG (tv);
return -1;
}
int
ACE_Proactor::end_event_loop (void)
{
// not implemented
return -1;
}
sig_atomic_t
ACE_Proactor::event_loop_done (void)
{
return sig_atomic_t (1);
}
#endif /* ACE_WIN32 || ACE_HAS_AIO_CALLS*/
|
