# include "pcontrol.h"

# define opihi_name "PCONTROL"
# define opihi_prompt "pcontrol: "
# define opihi_description "pcontrol client shell\n"
# define opihi_history ".pcontrol"
# define opihi_rcfile ".pcontrolrc"

/* program-dependent initialization */
void program_init (int *argc, char **argv) {
  
# ifdef THREADED  
  pthread_t clientsThread;
# endif

  auto_break = TRUE;

  /* load the commands used by this implementation */
  InitBasic ();
  InitPcontrol ();

  InitJobStacks ();
  InitHostStacks ();

  /* set global signal masks (these apply to all threads launched below) */
  // signal (SIGPIPE, gotsignal);
  signal (SIGTSTP, gotsignal);
  signal (SIGTTIN, gotsignal);

  rl_readline_name = opihi_name;
  rl_attempted_completion_function = command_completer;
# ifdef THREADED
  SetRunLevel (PCONTROL_RUN_ALL);
  pthread_create (&clientsThread, NULL, &CheckSystem_Threaded, NULL);
  rl_event_hook = NULL;
  rl_set_keyboard_input_timeout (1000); 
# else
  rl_event_hook = CheckSystem;
  rl_set_keyboard_input_timeout (1000); 
# endif  

  // set_str_variable ("HISTORY", opihi_history);
  set_str_variable ("PROMPT", opihi_prompt);
  set_str_variable ("RCFILE", opihi_rcfile);

# ifdef DATADIR_DEFAULT
  {
    char *datadir;
    char *helpdir;
    char *modules;
    datadir = MACRO_NAME(DATADIR_DEFAULT);
    /* set_str_variable ("DATADIR", datadir); */
    ALLOCATE (helpdir, char, strlen(datadir) + strlen("/help") + 2);
    sprintf (helpdir, "%s/help", datadir);
    set_str_variable ("HELPDIR", helpdir);
    free (helpdir);
    ALLOCATE (modules, char, strlen(datadir) + strlen("/modules") + 2);
    sprintf (modules, "%s/modules", datadir);
    set_str_variable ("MODULES:0", modules);
    set_int_variable ("MODULES:n", 1);
    free (modules);
  }
# endif

  /* ignore the history file.  to change this, see, eg, mana.c */
  return;
}

/* standard welcome message */
void welcome () {
  gprint (GP_ERR, "\n");
  gprint (GP_ERR, "Welcome to %s - %s\n\n", opihi_name, opihi_description);
}

/* add program-dependent exit functions here */
void cleanup () {
  DownHosts ();
  return;
}

void gotsignal (int signum) {
  // this message is lost if we are connected to a pantasks
  fprintf (stderr, "got signal : %d\n", signum);
  return;
}

/* call to opihi shell */
int main (int argc, char **argv) {
  int status;
  status = opihi (argc, argv);
  exit (status);
}
