/*
*         OpenPBS (Portable Batch System) v2.3 Software License
*
* Copyright (c) 1999-2000 Veridian Information Solutions, Inc.
* All rights reserved.
*
* ---------------------------------------------------------------------------
* For a license to use or redistribute the OpenPBS software under conditions
* other than those described below, or to purchase support for this software,
* please contact Veridian Systems, PBS Products Department ("Licensor") at:
*
*    www.OpenPBS.org  +1 650 967-4675                  sales@OpenPBS.org
*                        877 902-4PBS (US toll-free)
* ---------------------------------------------------------------------------
*
* This license covers use of the OpenPBS v2.3 software (the "Software") at
* your site or location, and, for certain users, redistribution of the
* Software to other sites and locations.  Use and redistribution of
* OpenPBS v2.3 in source and binary forms, with or without modification,
* are permitted provided that all of the following conditions are met.
* After December 31, 2001, only conditions 3-6 must be met:
*
* 1. Commercial and/or non-commercial use of the Software is permitted
*    provided a current software registration is on file at www.OpenPBS.org.
*    If use of this software contributes to a publication, product, or
*    service, proper attribution must be given; see www.OpenPBS.org/credit.html
*
* 2. Redistribution in any form is only permitted for non-commercial,
*    non-profit purposes.  There can be no charge for the Software or any
*    software incorporating the Software.  Further, there can be no
*    expectation of revenue generated as a consequence of redistributing
*    the Software.
*
* 3. Any Redistribution of source code must retain the above copyright notice
*    and the acknowledgment contained in paragraph 6, this list of conditions
*    and the disclaimer contained in paragraph 7.
*
* 4. Any Redistribution in binary form must reproduce the above copyright
*    notice and the acknowledgment contained in paragraph 6, this list of
*    conditions and the disclaimer contained in paragraph 7 in the
*    documentation and/or other materials provided with the distribution.
*
* 5. Redistributions in any form must be accompanied by information on how to
*    obtain complete source code for the OpenPBS software and any
*    modifications and/or additions to the OpenPBS software.  The source code
*    must either be included in the distribution or be available for no more
*    than the cost of distribution plus a nominal fee, and all modifications
*    and additions to the Software must be freely redistributable by any party
*    (including Licensor) without restriction.
*
* 6. All advertising materials mentioning features or use of the Software must
*    display the following acknowledgment:
*
*     "This product includes software developed by NASA Ames Research Center,
*     Lawrence Livermore National Laboratory, and Veridian Information
*     Solutions, Inc.
*     Visit www.OpenPBS.org for OpenPBS software support,
*     products, and information."
*
* 7. DISCLAIMER OF WARRANTY
*
* THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT
* ARE EXPRESSLY DISCLAIMED.
*
* IN NO EVENT SHALL VERIDIAN CORPORATION, ITS AFFILIATED COMPANIES, OR THE
* U.S. GOVERNMENT OR ANY OF ITS AGENCIES BE LIABLE FOR ANY DIRECT OR INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This license will be governed by the laws of the Commonwealth of Virginia,
* without reference to its choice of law rules.
*/
/*
 *
 * parse_destination_id
 *
 * full syntax permitted;
 *
 * queue_name[@server_name[:port_number]]
 * @server_name[:port_number]
 *
 */

#include <pbs_config.h>   /* the master config generated by configure */

#include <string.h>
#include <ctype.h>
#include "pbs_ifl.h"

#define ISNAMECHAR(x) ( (isgraph(x)) && ((x) != '#') && ( (x) != '@') )
#define MAXSERVERNAME PBS_MAXSERVERNAME+PBS_MAXPORTNUM+2

static char queue_name[PBS_MAXQUEUENAME+1];
static int q_pos;
static char server_name[MAXSERVERNAME];
static int c_pos;


int parse_destination_id(

  char *destination_in,     /* I */
  char **queue_name_out,    /* O */
  char **server_name_out)   /* O */

  {
  /* FORMAT:  <QUEUE>@<HOST>:<PORT> */

  int i;
  char *c;

  /* initialize static data for this parsing call */

  for (i = 0; i < PBS_MAXQUEUENAME + 1; i++) queue_name[i] = '\0';

  q_pos = 0;

  for (i = 0; i < MAXSERVERNAME; i++) server_name[i] = '\0';

  c_pos = 0;

  /* Begin the parse */
  c = destination_in;

  while (isspace(*c)) c++;

  /* Looking for a queue */
  while (*c != '\0')
    {
    if (ISNAMECHAR(*c))
      {
      if (q_pos >= PBS_MAXQUEUENAME) return 1;

      queue_name[q_pos++] = *c;
      }
    else
      break;

    c++;
    }

  /* Looking for a server */
  if (*c == '@')
    {
    c++;

    while (*c != '\0')
      {
      if (ISNAMECHAR(*c))
        {
        if (c_pos >= MAXSERVERNAME) return 1;

        server_name[c_pos++] = *c;
        }
      else
        break;

      c++;
      }

    if (c_pos == 0) return 1;
    }

  if (*c != '\0') return 1;

  /* set char * pointers to static data, to arguments */
  if (queue_name_out != NULL) *queue_name_out = queue_name;

  if (server_name_out != NULL) *server_name_out = server_name;

  return 0;
  }