enc_reply.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.
* 
* ---------------------------------------------------------------------------
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* other than those described below, or to purchase support for this software,
* please contact Veridian Systems, PBS Products Department ("Licensor") at:
* 
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*                        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
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*    software incorporating the Software.  Further, there can be no
*    expectation of revenue generated as a consequence of redistributing
*    the Software.
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* THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. ANY EXPRESS
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* U.S. GOVERNMENT OR ANY OF ITS AGENCIES BE LIABLE FOR ANY DIRECT OR INDIRECT,
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* This license will be governed by the laws of the Commonwealth of Virginia,
* without reference to its choice of law rules.
*/
 
static char ident[] = "@(#) $RCSfile: enc_reply.c,v $ $Revision: 2.1.10.4 $";

/*
 * encode_DIS_reply() - encode a Batch Protocol Reply Structure
 * 
 * 	batch_reply structure defined in libpbs.h, it must be allocated
 *	by the caller.
 */
 
#include <pbs_config.h>   /* the master config generated by configure */

#include "libpbs.h"
#include "list_link.h"
#include "attribute.h"
#include "dis.h"

int encode_DIS_reply(sock, reply)
	int		    sock;
	struct batch_reply *reply;
{
	int		    ct;
	int		    i;
	struct brp_select  *psel;
	struct brp_status  *pstat;
	svrattrl	   *psvrl;

	int rc;

	/* first encode "header" consisting of protocol type and version */

	if ( (rc = diswui(sock, PBS_BATCH_PROT_TYPE))   ||
	     (rc = diswui(sock, PBS_BATCH_PROT_VER)) )
		return rc;

	/* next encode code, auxcode and choice (union type identifier) */

	if ( (rc = diswsi(sock, reply->brp_code)) 	||
	     (rc = diswsi(sock, reply->brp_auxcode))	||
	     (rc = diswui(sock, reply->brp_choice)))
		return rc;

	switch (reply->brp_choice) {

	    case BATCH_REPLY_CHOICE_NULL:
		break;	/* no more to do */

	    case BATCH_REPLY_CHOICE_Queue:
	    case BATCH_REPLY_CHOICE_RdytoCom:
	    case BATCH_REPLY_CHOICE_Commit:
		if (rc = diswst(sock, reply->brp_un.brp_jid))
			return (rc);
		break;

	    case BATCH_REPLY_CHOICE_Select:

		/* have to send count of number of strings first */

		ct = 0;
		psel = reply->brp_un.brp_select;
		while (psel) {
			++ct;
			psel = psel->brp_next;
		}	
		if (rc = diswui(sock, ct))
			return rc;

		psel = reply->brp_un.brp_select;
		while (psel) {
			/* now encode each string */
			if (rc = diswst(sock, psel->brp_jobid))
				return rc;
			psel = psel->brp_next;
		}
		break;

	    case BATCH_REPLY_CHOICE_Status:

		/* encode "server version" of status structure.
		 *
		 * Server always uses svrattrl form.
		 * Commands decode into their form.
		 *
		 * First need to encode number of status objects and then
		 * the object itself.
		 */

		ct = 0;
		pstat = (struct brp_status *)GET_NEXT(reply->brp_un.brp_status);
		while (pstat) {
			++ct;
			pstat =(struct brp_status *)GET_NEXT(pstat->brp_stlink);
		}
		if (rc = diswui(sock, ct))
			return rc;
		pstat = (struct brp_status *)GET_NEXT(reply->brp_un.brp_status);
		while (pstat) {
			if ( (rc = diswui(sock, pstat->brp_objtype))	||
			     (rc = diswst(sock, pstat->brp_objname)) )
				return rc;

			psvrl = (svrattrl *)GET_NEXT(pstat->brp_attr);
			if (rc = encode_DIS_svrattrl(sock, psvrl))
				return rc;
			pstat =(struct brp_status *)GET_NEXT(pstat->brp_stlink);
		}
		break;

	    case BATCH_REPLY_CHOICE_Text:
		
		/* text reply */

		if (rc = diswcs(sock, reply->brp_un.brp_txt.brp_str,
				      (size_t)reply->brp_un.brp_txt.brp_txtlen))	
			return rc;
		break;

	    case BATCH_REPLY_CHOICE_Locate:

		/* Locate Job Reply */

		if (rc = diswst(sock, reply->brp_un.brp_locate))
			return rc;
		break;

	    case BATCH_REPLY_CHOICE_RescQuery:

		/* Query Resources Reply */

		ct = reply->brp_un.brp_rescq.brq_number;
		if (rc = diswui(sock, ct))
			return rc;
		for (i=0; (i<ct) && (rc == 0); ++i) {
			rc =diswui(sock,*(reply->brp_un.brp_rescq.brq_avail+i));
		}
		if (rc) return rc;
		for (i=0; (i<ct) && (rc == 0); ++i) {
			rc =diswui(sock,*(reply->brp_un.brp_rescq.brq_alloc+i));
		}
		if (rc) return rc;
		for (i=0; (i<ct) && (rc == 0); ++i) {
			rc =diswui(sock,*(reply->brp_un.brp_rescq.brq_resvd+i));
		}
		if (rc) return rc;
		for (i=0; (i<ct) && (rc == 0); ++i) {
			rc =diswui(sock,*(reply->brp_un.brp_rescq.brq_down+i));
		}
		if (rc) return rc;
		break;

	    default:
		return -1;
	}

	return 0;
}