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// -*- C++ -*-
// $Id$
#include "Timer_Helper.h"
#include "TAO_Time_Service_Clerk.h"
#include "ace/OS.h"
// Constructor.
Timer_Helper::Timer_Helper (void)
{
}
// Constructor that sets the clerk.
Timer_Helper::Timer_Helper (TAO_Time_Service_Clerk *clerk)
: clerk_ (clerk)
{
}
// Destructor.
Timer_Helper::~Timer_Helper (void)
{
delete this;
}
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 (ACE_UINT64_LITERAL(0xFFFFFFFFFFFFFFFF));
CORBA::ULongLong lowest_time (0);
#else
CORBA::ULongLong lowest_time = ACE_UINT64_LITERAL(0xFFFFFFFFFFFFFFFF);
#endif
CORBA::ULongLong highest_time = 0;
TAO_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 (TAO_TRY_ENV);
TAO_CHECK_ENV;
#if defined (ACE_LACKS_LONGLONG_T)
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 (TAO_TRY_ENV)),
ACE_U64_TO_U32 (UTO_server->inaccuracy (TAO_TRY_ENV)),
UTO_server->tdf (TAO_TRY_ENV),
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
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 (TAO_TRY_ENV),
UTO_server->inaccuracy (TAO_TRY_ENV),
UTO_server->tdf (TAO_TRY_ENV),
(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 (TAO_TRY_ENV);
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;
}
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();
clerk_->time_displacement_factor (ACE_OS::timezone () / 60);
// Set the inaccuracy.
if (highest_time > lowest_time)
clerk_->inaccuracy (highest_time - lowest_time);
else
clerk_->inaccuracy (0);
// Record the current time in a timestamp to know when global
// updation of time was done.
clerk_->update_timestamp_ = ACE_OS::gettimeofday ().sec () * 10000000
+ ACE_OS::gettimeofday ().usec () * 10;
}
TAO_CATCHANY
{
TAO_TRY_ENV.print_exception ("Exception in the handle_timeout ()\n");
return -1;
}
TAO_ENDTRY;
return 0;
}
#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION)
template class ACE_Array_Base <CosTime::TimeService_var>;
template class ACE_Array_Iterator <CosTime::TimeService_var>;
#elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA)
#pragma instantiate ACE_Array_Base <CosTime::TimeService_var>
#pragma instantiate ACE_Array_Iterator <CosTime::TimeService_var>
#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */
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