pbsd_status.c

openPBS的开放源代码

/*
*         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  [phone]                  [e-mail]
*                        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
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*    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.
*/
/*	PBS_status.c

	The function that underlies all the status requests
*/

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

#include <string.h>
#include <stdio.h>
#include "libpbs.h"

static char ident[] = "@(#) $RCSfile: PBSD_status.c,v $ $Revision: 2.1.10.4 $";

static struct batch_status *alloc_bs();

struct batch_status *
PBSD_status(c, function, id, attrib, extend )
	int c;
	int function;
	char *id;
	struct attrl *attrib;
	char *extend;
{
	int rc;
	struct batch_status *PBSD_status_get A_((int c));

	/* send the status request */

	if (id == (char *)0)
		id = "";	/* set to null string for encoding */

	rc = PBSD_status_put(c, function, id, attrib, extend);
	if (rc) {
		return (struct batch_status *)NULL;
	}

	/* get the status reply */

	return ( PBSD_status_get(c) );
}

struct batch_status *PBSD_status_get(c)
	int c;
{
	struct brp_cmdstat  *stp; /* pointer to a returned status record */
	struct batch_status *bsp;
	struct batch_status *rbsp = (struct batch_status *)NULL;
	struct batch_reply  *reply;
	int i;

	/* read reply from stream into presentation element */

	reply = PBSD_rdrpy(c);
	if ( reply == NULL ) {
                pbs_errno = PBSE_PROTOCOL;
	} else if ( reply->brp_choice != BATCH_REPLY_CHOICE_NULL  &&
	            reply->brp_choice != BATCH_REPLY_CHOICE_Text &&
	            reply->brp_choice != BATCH_REPLY_CHOICE_Status ) {
		pbs_errno = PBSE_PROTOCOL;
	} else if ( connection[c].ch_errno == 0 ) {
		/* have zero or more attrl structs to decode here */
		stp = reply->brp_un.brp_statc;
		i = 0;
		pbs_errno = 0;
		while( stp != (struct brp_cmdstat *)NULL ) {
			if( i++ == 0 ) {
				rbsp = bsp = alloc_bs();
				if( bsp == (struct batch_status *)NULL ) {
					pbs_errno = PBSE_SYSTEM;
					break;
				}
			} else {
				bsp->next = alloc_bs();
				bsp = bsp->next;
				if( bsp == (struct batch_status *)NULL ) {
					pbs_errno = PBSE_SYSTEM;
					break;
				}
			}
			bsp->name = strdup(stp->brp_objname);
			bsp->attribs = stp->brp_attrl;
			if (stp->brp_attrl)
				stp->brp_attrl = 0;
			bsp->next = (struct batch_status *)NULL;
			stp = stp->brp_stlink;
		}
		if (pbs_errno) {
			pbs_statfree(rbsp);
			rbsp = (struct batch_status *)NULL;
		}
	}
	PBSD_FreeReply(reply);
	return rbsp;
}

/*	
	Allocate a batch status reply structure
*/

static struct batch_status *alloc_bs()
{
	struct batch_status *bsp;

	bsp = MH(struct batch_status);
	if (bsp) {

		bsp->next = (struct batch_status *)NULL;
		bsp->name = (char *)NULL;
		bsp->attribs = (struct attrl *)NULL;
		bsp->text = (char *)NULL;
	}
	return bsp;
}