jobfinfo.c

//
// Copyright (C) 2001,2002,2003,2004 Jorge Daza Garcia-Blanes
// Copyright (C) 2009,2010 Andreas Schroeder
//
// This file is part of DrQueue
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
// USA
//
//
// This program returns the number of times a frame has been requeued.
// Useful for avoiding endless loops
//

#include <stdio.h>

#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif

#include "libdrqueue.h"

void usage (void);

enum operation {
  OP_NONE,
  OP_REQUEUED,
  OP_STATUS
};

int main (int argc,char *argv[]) {
  int opt;
  int frame = -1;
  int ijob = -1;
  struct frame_info fi;
  enum operation op = OP_NONE;
  int nRet = 0;
  
  if(network_initialize() != 0) {
    fprintf (stderr,"Could not initialize the network: %s\n", drerrno_str());
    nRet = 1;
    goto cleanup;
  }

  while ((opt = getopt (argc,argv,"rsj:f:vh")) != -1) {
    switch (opt) {
    case 'f':
      frame = atoi (optarg);
      break;
    case 'j':
      ijob = atoi (optarg);
      break;
    case 'v':
      show_version (argv);
      goto cleanup;
    case 'r':
      op = OP_REQUEUED;
      break;
    case 's':
      op = OP_STATUS;
      break;
    case '?':
    case 'h':
      usage();
      nRet = 1;
      goto cleanup;
    }
  }

  if ((frame == -1) || (ijob == -1) || (op == OP_NONE)) {
    usage ();
    nRet = 1;
    goto cleanup;
  }

  set_default_env();

  if (!common_environment_check()) {
    fprintf (stderr,"Error checking the environment: %s\n",drerrno_str());
    nRet = 1;
    goto cleanup;
  }

  if (!request_job_frame_info ((uint32_t)ijob,(uint32_t)frame,&fi,CLIENT)) {
    fprintf (stderr,"ERROR: While trying to request the frame info: %s\n",drerrno_str());
    nRet = 1;
      goto cleanup;;
  }

  switch (op) {
  case OP_NONE:
    printf ("OP_NONE\n");
    break;
  case OP_REQUEUED:
    printf ("%i\n",fi.requeued);
    break;
  case OP_STATUS:
    printf ("%s\n",job_frame_status_string(fi.status));
    break;
  }

cleanup:
  network_shutdown();

  return nRet;
}

void usage (void) {
  fprintf (stderr,"Usage: jobfinfo [-vh] -r|-s -f <frame_number> -j <job_id>\n"
           "Valid options:\n"
           "\t-r Returns the number of times a frame has been requeued\n"
           "\t-s Returns the status of the frame as a string\n"
           "\t-f <frame_number>\n"
           "\t-j <job_id>\n"
           "\t-v print version\n"
           "\t-h print this help\n");
}