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

#include <string.h>
#include <unistd.h>
#include <stdio.h>
#include <fcntl.h>
#include "portability.h"
#include "libpbs.h"
#include "dis.h"

/*	PBS_rdytocmt.c

	This function does the Ready To Commit sub-function of
	the Queue Job request.
*/

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

int PBSD_rdytocmt(connect, jobid)
	int connect;
	char * jobid;
{
	int	rc;
	struct batch_reply *reply;
	int	sock;

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

	if ( (rc=encode_DIS_ReqHdr(sock, PBS_BATCH_RdytoCommit,pbs_current_user)) ||
	     (rc = encode_DIS_JobId(sock, jobid))  ||
	     (rc = encode_DIS_ReqExtend(sock, (char *)0)) ) {
		connection[connect].ch_errtxt = strdup(dis_emsg[rc]);
		return (pbs_errno = PBSE_PROTOCOL);
	}
	if (DIS_tcp_wflush(sock)) {
		return (pbs_errno = PBSE_PROTOCOL);
	}
	
	/* read reply */

	reply = PBSD_rdrpy(connect);

	PBSD_FreeReply(reply);

	return connection[connect].ch_errno;
}

/*	PBS_commit.c

	This function does the Commit sub-function of
	the Queue Job request.
*/

int PBSD_commit(connect, jobid)
	int connect;
	char * jobid;
{
	struct batch_reply *reply;
	int rc;
	int sock;
	
	sock = connection[connect].ch_socket;
	DIS_tcp_setup(sock);

	if ( (rc = encode_DIS_ReqHdr(sock, PBS_BATCH_Commit, pbs_current_user)) ||
	     (rc = encode_DIS_JobId(sock, jobid)) ||
	     (rc = encode_DIS_ReqExtend(sock, (char *)0)) ) {
		connection[connect].ch_errtxt = strdup(dis_emsg[rc]);
		return (pbs_errno = PBSE_PROTOCOL);
	}
	
	if (DIS_tcp_wflush(sock)) {
		return (pbs_errno = PBSE_PROTOCOL);
	}

	reply = PBSD_rdrpy(connect);

	PBSD_FreeReply(reply);

	return connection[connect].ch_errno;
}

/*	PBS_scbuf.c
 *
 *	Send a chunk of a of the job script to the server.
 *	Called by pbs_submit.  The buffer length could be
 *	zero; the server should handle that case...
*/

static int PBSD_scbuf(c, reqtype, seq, buf, len, jobid, which)
	int   c;		/* connection handle     */
	int   reqtype;		/* request type */
	int   seq;		/* file chunk sequence number */
	char *buf;		/* file chunk */
	int   len;		/* length of chunk */
	char *jobid;		/* job id (for types 1 and 2 only) */
	enum job_file which;	/* standard file type, see libpbs.h */
{
	struct batch_reply   *reply;
	int	rc;
	int	sock;

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

	if (jobid == (char *)0)
		jobid = "";	/* use null string for null pointer */

	if ( (rc = encode_DIS_ReqHdr(sock, reqtype, pbs_current_user)) ||
	     (rc = encode_DIS_JobFile(sock, seq, buf, len, jobid, which)) ||
	     (rc = encode_DIS_ReqExtend(sock, (char *)0)) ) {
		connection[c].ch_errtxt = strdup(dis_emsg[rc]);
		return (pbs_errno = PBSE_PROTOCOL);
	}
	if (DIS_tcp_wflush(sock)) {
		return (pbs_errno = PBSE_PROTOCOL);
	}
				
	/* read reply */

	reply = PBSD_rdrpy(c);
	
	PBSD_FreeReply(reply);

	return connection[c].ch_errno;
}

/*	PBS_jscript.c
 *
 *	The Job Script subfunction of the Queue Job request
 *	-- the function PBS_scbuf is called repeatedly to
 *	transfer chunks of the script to the server.
*/

int PBSD_jscript(c, script_file)
	int c;
	char *script_file;
{
	int i;
	int fd;
	int cc;
	char s_buf[SCRIPT_CHUNK_Z];
	
	if( (fd = open(script_file, O_RDONLY, 0)) < 0 ) {
		return (-1);
	}
	i = 0;
	cc = read(fd, s_buf, SCRIPT_CHUNK_Z);
	while ((cc > 0) && (PBSD_scbuf(c,PBS_BATCH_jobscript,i,s_buf,cc,(char *)0,JScript) == 0)) {
		i++;
		cc = read(fd, s_buf, SCRIPT_CHUNK_Z);
	}

	close(fd);
	if (cc < 0)	/* read failed */
		return (-1);
	return connection[c].ch_errno;
}

/*	PBS_jobfile.c
 *
 *	The Job File function used to move files related to
 *	a job between servers.
 *	-- the function PBS_scbuf is called repeatedly to
 *	transfer chunks of the script to the server.
*/

int PBSD_jobfile(c, req_type, path, jobid, which)
	int   c;
	int   req_type;
	char *path;
	char *jobid;
	enum job_file which;
{
	int   i;
	int   cc;
	int   fd;
	char  s_buf[SCRIPT_CHUNK_Z];
	
	if( (fd = open(path, O_RDONLY, 0)) < 0 ) {
		return (-1);
	}
	i = 0;
	cc = read(fd, s_buf, SCRIPT_CHUNK_Z);
	while ((cc > 0) && 
	       (PBSD_scbuf(c, req_type, i, s_buf, cc, jobid, which ) == 0) ) {
		i++;
		cc = read(fd, s_buf, SCRIPT_CHUNK_Z);
	}

	close(fd);
	if (cc < 0)	/* read failed */
		return (-1);
	return connection[c].ch_errno;
}

/*	PBS_queuejob.c

	This function sends the first part of the Queue Job request
*/

char * PBSD_queuejob(connect, jobid, destin, attrib, extend)
	int connect;
	char * jobid;
	char * destin;
	struct attropl * attrib;
	char * extend;
{
	struct batch_reply *reply;
	char  *return_jobid = (char *)NULL;
	int    rc;
	int    sock;
	
	sock = connection[connect].ch_socket;
	DIS_tcp_setup(sock);

	/* first, set up the body of the Queue Job request */
	
	if ( (rc = encode_DIS_ReqHdr(sock, PBS_BATCH_QueueJob, pbs_current_user)) ||
	     (rc = encode_DIS_QueueJob(sock, jobid, destin, attrib)) ||
	     (rc = encode_DIS_ReqExtend(sock, extend)) ) {
		connection[connect].ch_errtxt = strdup(dis_emsg[rc]);
		pbs_errno = PBSE_PROTOCOL;
		return return_jobid;
	}
	if (DIS_tcp_wflush(sock)) {
		pbs_errno = PBSE_PROTOCOL;
		return return_jobid;
	}

	/* read reply from stream into presentation element */

	reply = PBSD_rdrpy(connect);
	if ( reply == NULL ) {
                pbs_errno = PBSE_PROTOCOL;
	} else if ( reply->brp_choice &&
	            reply->brp_choice != BATCH_REPLY_CHOICE_Text &&
	            reply->brp_choice != BATCH_REPLY_CHOICE_Queue) {
		pbs_errno = PBSE_PROTOCOL;
	} else if( connection[connect].ch_errno == 0 )
		return_jobid = strdup(reply->brp_un.brp_jid);

	PBSD_FreeReply(reply);
	return return_jobid;
}