pbsd_rdrpy.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
*    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.
*/
/*	PBS_rdrpy

	Read the reply to a batch request.
	A reply structure is allocated and cleared.
	The reply is read and decoded into the structure.
	The reply structure is returned.

	The caller MUST free the reply structure by calling
	PBS_FreeReply().
*/

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

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

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

struct batch_reply *PBSD_rdrpy(c)
	int c;
{
	int		    rc;
	struct batch_reply *reply;
	int		    sock;

	/* clear any prior error message */

	if( connection[c].ch_errtxt != (char *)NULL ) {
		free( connection[c].ch_errtxt );
		connection[c].ch_errtxt = (char *)NULL;
	}

	if ((reply = (struct batch_reply *)malloc(sizeof (struct batch_reply))) == 0) {
		connection[c].ch_errno = PBSE_SYSTEM;
		pbs_errno = PBSE_SYSTEM;
		return ((struct batch_reply *)0);
	}
	(void)memset(reply, 0, sizeof (struct batch_reply));

	sock = connection[c].ch_socket;
	DIS_tcp_setup(sock);

	if (rc = decode_DIS_replyCmd(sock, reply))   {
	    (void)free(reply);
	    pbs_errno = PBSE_PROTOCOL;
	    connection[c].ch_errno = PBSE_PROTOCOL;
	    connection[c].ch_errtxt = strdup(dis_emsg[rc]);
	    return (struct batch_reply *)NULL;
	}
	DIS_tcp_reset(sock, 0);		/* reset DIS read buffer */

	connection[c].ch_errno = reply->brp_code;
	pbs_errno = reply->brp_code;
	if (reply->brp_choice == BATCH_REPLY_CHOICE_Text) {
		connection[c].ch_errtxt = strdup(reply->brp_un.brp_txt.brp_str);
	}
	return reply;
}


/*
 * PBS_FreeReply - Free a batch_reply structure allocated in PBS_rdrpy() 
 *
 *	Any additional allocated substructures pointed to from the
 *	reply structure are freed, then the base struture itself is gone.
 */

void PBSD_FreeReply(reply)
	struct batch_reply *reply;
{
	struct brp_select   *psel;
	struct brp_select   *pselx;
	struct brp_cmdstat  *pstc;
	struct brp_cmdstat  *pstcx;
	struct attrl        *pattrl;
	struct attrl	    *pattrx;

	if (reply == 0)
		return;
	if (reply->brp_choice == BATCH_REPLY_CHOICE_Text) {
		if (reply->brp_un.brp_txt.brp_str) {
			(void)free(reply->brp_un.brp_txt.brp_str);
			reply->brp_un.brp_txt.brp_str = (char *)0;
			reply->brp_un.brp_txt.brp_txtlen = 0;
		}

	} else if (reply->brp_choice == BATCH_REPLY_CHOICE_Select) {
		psel = reply->brp_un.brp_select;
		while (psel) {
		    pselx = psel->brp_next;
		    (void)free(psel);
		    psel = pselx;
		}
		
	} else if (reply->brp_choice == BATCH_REPLY_CHOICE_Status) {
		pstc = reply->brp_un.brp_statc;
		while (pstc) {
			pstcx = pstc->brp_stlink;
			pattrl = pstc->brp_attrl;
			while (pattrl) {
				pattrx = pattrl->next;
				if (pattrl->name)
					(void)free(pattrl->name);
				if (pattrl->resource)
					(void)free(pattrl->resource);
				if (pattrl->value)
					(void)free(pattrl->value);
				(void)free(pattrl);
				pattrl = pattrx;
			}
			(void)free(pstc);
			pstc = pstcx;
		}
	} else if (reply->brp_choice == BATCH_REPLY_CHOICE_RescQuery) {
		(void)free(reply->brp_un.brp_rescq.brq_avail);
		(void)free(reply->brp_un.brp_rescq.brq_alloc);
		(void)free(reply->brp_un.brp_rescq.brq_resvd);
		(void)free(reply->brp_un.brp_rescq.brq_down);
	}

	(void)free(reply);
}