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#include "Timer_Helper.h"
#include "TAO_Time_Service_Clerk.h"
#include "tao/debug.h"
#include "ace/OS_NS_time.h"
#include "ace/OS_NS_sys_time.h"
ACE_RCSID (Time,
Timer_Helper,
"$Id$")
Timer_Helper::Timer_Helper (void)
: clerk_ (0)
{
}
Timer_Helper::Timer_Helper (TAO_Time_Service_Clerk *clerk)
: clerk_ (clerk)
{
}
Timer_Helper::~Timer_Helper (void)
{
}
int
Timer_Helper::handle_timeout (const ACE_Time_Value &,
const void *)
{
int no_of_servers = 0;
CORBA::ULongLong sum = 0;
// The following are used to keep a track of the inaccuracy
// in synchronization.
#if defined (ACE_LACKS_LONGLONG_T)
CORBA::ULongLong lowest_time (0xFFFFFFFF, 0xFFFFFFFF);
#else
CORBA::ULongLong lowest_time = ACE_UINT64_LITERAL (0xFFFFFFFFFFFFFFFF);
#endif
CORBA::ULongLong highest_time = 0;
ACE_DECLARE_NEW_CORBA_ENV;
ACE_TRY
{
IORS::TYPE* value;
for (IORS::ITERATOR server_iterator (this->clerk_->server_);
server_iterator.next (value) != 0;
server_iterator.advance ())
{
// This is a remote call.
CosTime::UTO_var UTO_server =
(*value)->universal_time (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_TRY_CHECK;
#if defined (ACE_LACKS_LONGLONG_T)
if (TAO_debug_level > 0)
ACE_DEBUG ((LM_DEBUG,
"\nTime = %Q\nInaccuracy = %Q\nTimeDiff = %d\nstruct.time = %Q\n"
"struct.inacclo = %d\nstruct.inacchi = %d\nstruct.Tdf = %d\n",
ACE_U64_TO_U32 (UTO_server->time ()),
ACE_U64_TO_U32 (UTO_server->inaccuracy ()),
UTO_server->tdf (),
ACE_U64_TO_U32 ((UTO_server->utc_time ()).time),
(UTO_server->utc_time ()).inacclo,
(UTO_server->utc_time ()).inacchi,
(UTO_server->utc_time ()).tdf));
#else
if (TAO_debug_level > 0)
ACE_DEBUG ((LM_DEBUG,
"\nTime = %Q\nInaccuracy = %Q\nTimeDiff = %d\nstruct.time = %Q\n"
"struct.inacclo = %d\nstruct.inacchi = %d\nstruct.Tdf = %d\n",
UTO_server->time (),
UTO_server->inaccuracy (),
UTO_server->tdf (),
(UTO_server->utc_time ()).time,
(UTO_server->utc_time ()).inacclo,
(UTO_server->utc_time ()).inacchi,
(UTO_server->utc_time ()).tdf));
#endif
CORBA::ULongLong curr_server_time =
UTO_server->time (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_TRY_CHECK;
sum += curr_server_time;
++no_of_servers;
// Set the highest time to the largest time seen so far.
if (curr_server_time > highest_time)
highest_time = curr_server_time;
// Set the lowest time to the smallest time seen so far.
if (curr_server_time < lowest_time)
lowest_time = curr_server_time;
}
if (TAO_debug_level > 0)
ACE_DEBUG ((LM_DEBUG,
"\nUpdated time from %d servers in the network",
no_of_servers));
// Return the average of the times retrieved from the various
// servers.
clerk_->time_ = sum / no_of_servers ;
// Set the Time Displacement Factor. The TZ environment variable is
// read to set the time zone. We convert the timezone value from seconds
// to minutes.
ACE_OS::tzset ();
long arg = ACE_OS::timezone () / 60;
CORBA::Short goodarg = static_cast<CORBA::Short> (arg);
clerk_->time_displacement_factor (goodarg);
// Set the inaccuracy.
if (highest_time > lowest_time)
clerk_->inaccuracy (highest_time - lowest_time);
else
clerk_->inaccuracy (0);
const ACE_Time_Value timeofday = ACE_OS::gettimeofday ();
// Record the current time in a timestamp to know when global
// updation of time was done.
clerk_->update_timestamp_ =
static_cast<CORBA::ULongLong> (timeofday.sec ()) *
static_cast<ACE_UINT32> (10000000) +
static_cast<CORBA::ULongLong> (timeofday.usec () * 10);
}
ACE_CATCHANY
{
if (TAO_debug_level > 0)
ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION,
"Exception in handle_timeout()\n");
return -1;
}
ACE_ENDTRY;
ACE_CHECK_RETURN (-1);
return 0;
}
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