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// $Id$
// ============================================================================
//
// = LIBRARY
// TAO/tests
//
// = FILENAME
// server.cpp
//
// = AUTHOR
// Andy Gokhale,
// Sumedh Mungee,
// Sergio Flores-Gaitan, and
// Nagarajan Surendran
//
// ============================================================================
#include "ace/config-all.h"
#if defined (VXWORKS)
# undef ACE_MAIN
# define ACE_MAIN server
#endif /* VXWORKS */
#include "server.h"
#include "ace/Sched_Params.h"
#include "tao/Strategies/advanced_resource.h"
// FUZZ: disable check_for_streams_include
#include "ace/streams.h"
#include "ace/Barrier.h"
#if defined (ACE_HAS_QUANTIFY)
# include "quantify.h"
#endif /* ACE_HAS_QUANTIFY */
ACE_RCSID(MT_Cubit, server, "$Id$")
Server::Server (void)
:argc_ (0),
argv_ (0),
cubits_ (0),
high_priority_task_ (0),
low_priority_tasks_ (0),
high_argv_ (0),
low_argv_ (0)
{
}
int
Server::init (int argc, char **argv)
{
int result;
result = GLOBALS::instance ()->sched_fifo_init ();
if (result == -1)
return result;
this->argc_ = argc;
this->argv_ = argv;
VX_VME_INIT;
FORCE_ARGV (this->argc_,this->argv_);
// Make sure we've got plenty of socket handles. This call will use
// the default maximum.
ACE::set_handle_limit ();
return 0;
}
int
Server::run (void)
{
STOP_QUANTIFY;
CLEAR_QUANTIFY;
START_QUANTIFY;
if (this->start_servants () != 0)
ACE_ERROR_RETURN ((LM_ERROR,
"Error creating the servants\n"),
-1);
ACE_DEBUG ((LM_DEBUG,
"Wait for all the threads to exit\n"));
// Wait for all the threads to exit.
this->servant_manager_.wait ();
STOP_QUANTIFY;
return 0;
}
void
Server::prelim_args_process (void)
{
int i;
for (i = 0; i < this->argc_ ; i++)
{
if (ACE_OS::strcmp (this->argv_[i], "-e") == 0 &&
i - 1 < this->argc_)
ACE_OS::strcpy (GLOBALS::instance ()->endpoint,
this->argv_[i+1]);
}
}
void
Server::init_low_priority (void)
{
ACE_Sched_Priority prev_priority = this->high_priority_;
// Drop the priority.
if (GLOBALS::instance ()->thread_per_rate == 1
|| GLOBALS::instance ()->use_multiple_priority == 1)
this->low_priority_ =
this->priority_.get_low_priority (this->num_low_priority_,
prev_priority,
1);
else
this->low_priority_ =
this->priority_.get_low_priority (this->num_low_priority_,
prev_priority,
0);
this->num_priorities_ = this->priority_.number_of_priorities ();
this->grain_ = this->priority_.grain ();
this->counter_ = 0;
}
// Write the ior's to a file so the client can read them.
int
Server::write_iors (void)
{
u_int j;
// By this time the num of objs should be set properly.
ACE_NEW_RETURN (this->cubits_,
char* [GLOBALS::instance ()->num_of_objs],
-1);
this->cubits_[0] = ACE_OS::strdup (this->high_priority_task_->get_servant_ior (0));
for (j = 1;
j < GLOBALS::instance ()->num_of_objs;
++j)
this->cubits_[j] =
ACE_OS::strdup (this->low_priority_tasks_[j-1]->get_servant_ior (0));
FILE *ior_f = 0;
if (GLOBALS::instance ()->ior_file != 0)
ior_f = ACE_OS::fopen (GLOBALS::instance ()->ior_file,
"w");
for (j = 0;
j < GLOBALS::instance ()->num_of_objs;
++j)
{
if (ior_f != 0)
{
ACE_OS::fprintf (ior_f,
"%s\n",
this->cubits_[j]);
ACE_DEBUG ((LM_DEBUG,
"this->cubits_[%d] ior = %s\n",
j,
this->cubits_[j]));
}
}
if (ior_f != 0)
ACE_OS::fclose (ior_f);
return 0;
}
int
Server::activate_high_servant (void)
{
char orbendpoint[BUFSIZ];
ACE_OS::sprintf (orbendpoint,
"-ORBEndpoint %s ",
GLOBALS::instance ()->endpoint);
char *high_second_argv[] =
{orbendpoint,
ACE_const_cast (char *, "-ORBSndSock 32768 "),
ACE_const_cast (char *, "-ORBRcvSock 32768 "),
0};
ACE_NEW_RETURN (this->high_argv_,
ACE_ARGV (this->argv_, high_second_argv),
-1);
ACE_NEW_RETURN (this->high_priority_task_,
Cubit_Task (this->high_argv_->buf (),
"internet",
1,
&this->servant_manager_,
0), //task id 0.
-1);
// Make the high priority task an active object.
if (this->high_priority_task_->activate
(GLOBALS::instance ()->thr_create_flags,
1,
0,
this->high_priority_) == -1)
ACE_DEBUG ((LM_ERROR,
ACE_TEXT ("(%P|%t) task activation at priority %d ")
ACE_TEXT (" failed, exiting!\n%a"),
this->high_priority_,
-1));
ACE_MT (ACE_GUARD_RETURN (TAO_SYNCH_MUTEX,
ready_mon,
GLOBALS::instance ()->ready_mtx_,
-1));
// Wait on the condition variable for the high priority client to
// finish parsing the arguments.
while (!GLOBALS::instance ()->ready_)
GLOBALS::instance ()->ready_cnd_.wait ();
// Default return success.
return 0;
}
int
Server::activate_low_servants (void)
{
if (ACE_static_cast (int, this->num_low_priority_) > 0)
{
ACE_DEBUG ((LM_DEBUG,
"Creating %d servants starting at priority %d\n",
this->num_low_priority_,
this->low_priority_));
// Create the low priority servants.
ACE_NEW_RETURN (this->low_priority_tasks_,
Cubit_Task *[GLOBALS::instance ()->num_of_objs],
-1);
}
// Strip the provided addr from the endpoint and make the ORB
// choose the remaining endpoints based on the protocol used in
// the endpoint.
//
// e.g.: orignal endpoint: iiop://foobar:10001
// random endpoint iiop://
const char protocol_delimiter[] = "://";
char *addr = ACE_OS::strstr (GLOBALS::instance ()->endpoint,
protocol_delimiter);
size_t random_endpoint_length =
ACE_OS::strlen (GLOBALS::instance ()->endpoint) -
ACE_OS::strlen (addr) +
ACE_OS::strlen (protocol_delimiter);
char random_endpoint[BUFSIZ];
ACE_OS::sprintf (random_endpoint, "-ORBEndpoint ");
ACE_OS::strncat (random_endpoint,
GLOBALS::instance ()->endpoint,
random_endpoint_length);
for (int i = this->num_low_priority_;
i > 0;
i--)
{
char *low_second_argv[] =
{random_endpoint,
ACE_const_cast (char *, "-ORBSndSock 32768 "),
ACE_const_cast (char *, "-ORBRcvSock 32768 "),
0};
ACE_NEW_RETURN (this->low_argv_,
ACE_ARGV (this->argv_,
low_second_argv),
-1);
ACE_NEW_RETURN (this->low_priority_tasks_ [i - 1],
Cubit_Task (this->low_argv_->buf (),
"internet",
1,
&this->servant_manager_,
i),
-1);
// Make the low priority task an active object.
if (this->low_priority_tasks_[i - 1]->activate
(GLOBALS::instance ()->thr_create_flags,
1,
0,
this->low_priority_) == -1)
ACE_DEBUG ((LM_ERROR,
ACE_TEXT ("(%P|%t) task activation at priority %d ")
ACE_TEXT (" failed, exiting!\n%a"),
this->low_priority_,
-1));
ACE_DEBUG ((LM_DEBUG,
"Created servant %d with priority %d\n",
i,
this->low_priority_));
// Use different priorities on thread per rate or multiple
// priority.
if (GLOBALS::instance ()->use_multiple_priority == 1
|| GLOBALS::instance ()->thread_per_rate == 1)
{
this->counter_ = (this->counter_ + 1) % this->grain_;
if (this->counter_ == 0
//Just so when we distribute the priorities among the
//threads, we make sure we don't go overboard.
&& this->num_priorities_ * this->grain_ > this->num_low_priority_ - (i - 1))
// Get the next higher priority.
this->low_priority_ = ACE_Sched_Params::next_priority
(ACE_SCHED_FIFO,
this->low_priority_,
ACE_SCOPE_THREAD);
}
} /* end of for() */
// default return success.
return 0;
}
int
Server::start_servants (void)
{
// Do the preliminary argument processing for options -p and -h.
this->prelim_args_process ();
// Find the priority for the high priority servant.
this->high_priority_ = this->priority_.get_high_priority ();
ACE_DEBUG ((LM_DEBUG,
"Creating servant 0 with high priority %d\n",
this->high_priority_));
// Activate the high priority servant task
if (this->activate_high_servant () < 0)
ACE_ERROR_RETURN ((LM_ERROR,
"Failure in activating high priority servant\n"),
-1);
this->num_low_priority_ =
GLOBALS::instance ()->num_of_objs - 1;
// Initialize the priority of the low priority servants.
this->init_low_priority ();
// Activate the low priority servants.
if (this->activate_low_servants () < 0)
ACE_ERROR_RETURN ((LM_ERROR,
"Failure in activating low priority servant\n"),
-1);
// Wait in the barrier.
GLOBALS::instance ()->barrier_->wait ();
int result = this->write_iors ();
if (result != 0)
return result;
return 0;
}
int
main (int argc, char *argv[])
{
int result;
Server server;
result = server.init (argc, argv);
if (result != 0)
ACE_ERROR_RETURN ((LM_ERROR,
"Error in Initialization\n"),
1);
// run the server.
result = server.run ();
ACE_DEBUG ((LM_DEBUG,
"%s:%d\n", __FILE__, __LINE__));
if (result != 0)
ACE_ERROR_RETURN ((LM_ERROR,
"Error while running the servants\n"),
2);
return 0;
}
#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION)
template class ACE_Singleton<Globals,ACE_Null_Mutex>;
template class ACE_Unbounded_Set<ACE_timer_t>;
template class ACE_Unbounded_Set_Iterator<ACE_timer_t>;
template class ACE_Node<ACE_timer_t>;
#elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA)
#pragma instantiate ACE_Singleton<Globals,ACE_Null_Mutex>
#pragma instantiate ACE_Unbounded_Set<ACE_timer_t>
#pragma instantiate ACE_Unbounded_Set_Iterator<ACE_timer_t>
#pragma instantiate ACE_Node<ACE_timer_t>
#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */
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