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#include "ace/Get_Opt.h"
// $Id$
#include "Options.h"
// Static Singleton instance.
Options *Options::instance_ = 0;
Options *
Options::instance (void)
{
if (Options::instance_ == 0)
Options::instance_ = new Options ();
return Options::instance_;
}
char *
Options::program_name (void)
{
return this->program_name_;
}
const char *
Options::slave_name (void)
{
return this->slave_name_;
}
int
Options::debug (void)
{
return this->debug_;
}
int
Options::exec_slave (void)
{
return this->exec_slave_;
}
size_t
Options::iteration_count (void)
{
return this->iteration_count_;
}
int
Options::use_sbrk (void)
{
return this->use_sbrk_;
}
size_t
Options::max_msg_size (void)
{
return this->max_msg_size_;
}
size_t
Options::spawn_count (void)
{
return this->spawn_count_;
}
int
Options::spawn_threads (void)
{
return this->spawn_threads_;
}
int
Options::use_mmap (void)
{
return this->use_mmap_;
}
int
Options::use_shmem (void)
{
return this->use_shmem_;
}
int
Options::child (void)
{
return this->child_;
}
// Explain usage and exit.
void
Options::print_usage_and_die (void)
{
ACE_ERROR ((LM_ERROR, "usage: %n"
"\n[-d] (run in debugging mode)\n"
"[-e] (use exec(2) in addition to fork(2))\n"
"[-l] (use C++ new operator rather than sbrk(2)\n"
"[-L max_msg_size]\n"
"[-m] (use mmap rather than SysV shared memory)\n"
"[-p] (use processes rather than threads)\n"
"[-s] (use SysV shared memory rather than mmap)\n"
"[-t number of threads or processes to spawn]\n"
"[-n iteration_count]\n%a", -1));
/* NOTREACHED */
}
Options::Options (void)
: slave_name_ ("slave"),
debug_ (0),
exec_slave_ (0),
iteration_count_ (100),
use_sbrk_ (0),
use_shmem_ (0),
max_msg_size_ (127),
spawn_count_ (1),
spawn_threads_ (1),
use_mmap_ (0),
child_ (0)
{
}
void
Options::parse_args (int argc, char *argv[])
{
ACE_Get_Opt get_opt (argc, argv, "dehlL:mn:pst:");
this->program_name_ = argv[0];
ACE_LOG_MSG->open (this->program_name_);
// Put in a special-case check for child process.
if (ACE_OS::strcmp (this->program_name_, slave_name_) == 0)
{
this->child_ = 1;
this->use_mmap_ = 1;
}
int c;
while ((c = get_opt ()) != -1)
{
switch (c)
{
case 'd':
this->debug_ = 1;
break;
case 'e':
this->exec_slave_ = 1;
break;
case 'h':
this->print_usage_and_die ();
/* NOTREACHED */
break;
case 'l':
this->use_sbrk_ = 0;
break;
case 'L':
this->max_msg_size_ = ACE_OS::atoi (get_opt.optarg);
break;
case 'm':
this->use_mmap_ = 1;
break;
case 'n':
this->iteration_count_ = ACE_OS::atoi (get_opt.optarg);
break;
case 'p': // Spawn processes rather than threads
this->spawn_threads_ = 0;
break;
case 's':
// Use System V shared memory...
this->use_shmem_ = 1;
break;
case 't':
this->spawn_count_ = ACE_OS::atoi (get_opt.optarg);
break;
default:
this->print_usage_and_die ();
/* NOTREACHED */
break;
}
}
// Switch to using MMAP when the -p and -e options are enabled.
if (this->exec_slave_ == 1 && this->spawn_threads_ == 0)
this->use_mmap_ = 1;
}
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