/* * 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. */ /* * req_track.c * * Functions relation to the Track Job Request and job tracking. */ #include /* the master config generated by configure */ #include #include #include #include #include "libpbs.h" #include #include #include "server_limits.h" #include "list_link.h" #include "attribute.h" #include "server.h" #include "credential.h" #include "batch_request.h" #include "pbs_job.h" #include "pbs_error.h" #include "work_task.h" #include "tracking.h" #include "svrfunc.h" #include "log.h" /* External functions */ extern int issue_to_svr(char *svr, struct batch_request *, void (*func)(struct work_task *)); /* Global Data Items: */ extern char *path_track; extern struct server server; extern time_t time_now; extern char server_name[]; extern int LOGLEVEL; /* * req_track - record job tracking information */ void req_track( struct batch_request *preq) { struct tracking *empty = (struct tracking *)0; int i; int need; struct tracking *new; struct tracking *ptk; struct rq_track *prqt; /* make sure request is from a server */ if (!preq->rq_fromsvr) { req_reject(PBSE_IVALREQ, 0, preq, NULL, NULL); return; } /* attempt to locate tracking record for this job */ /* also remember first empty slot in case its needed */ prqt = &preq->rq_ind.rq_track; ptk = server.sv_track; for (i = 0;i < server.sv_tracksize;i++) { if ((ptk + i)->tk_mtime) { if (!strcmp((ptk + i)->tk_jobid, prqt->rq_jid)) { /* found record, discard it if state == exiting, * otherwise, update it if older */ if (*prqt->rq_state == 'E') { (ptk + i)->tk_mtime = 0; } else if ((ptk + i)->tk_hopcount < prqt->rq_hopcount) { (ptk + i)->tk_hopcount = prqt->rq_hopcount; strcpy((ptk + i)->tk_location, prqt->rq_location); (ptk + i)->tk_state = *prqt->rq_state; (ptk + i)->tk_mtime = time_now; } server.sv_trackmodifed = 1; reply_ack(preq); return; } } else if (empty == NULL) { empty = ptk + i; } } /* if we got here, didn't find it... */ if (*prqt->rq_state != 'E') { /* and need to add it */ if (empty == NULL) { /* need to make room for more */ need = server.sv_tracksize * 3 / 2; new = (struct tracking *)realloc( server.sv_track, need * sizeof(struct tracking)); if (new == NULL) { /* FAILURE */ log_err(errno, "req_track", "malloc failed"); req_reject(PBSE_SYSTEM, 0, preq, NULL, NULL); return; } empty = new + server.sv_tracksize; /* first new slot */ for (i = server.sv_tracksize;i < need;i++) (new + i)->tk_mtime = 0; server.sv_tracksize = need; server.sv_track = new; } empty->tk_mtime = time_now; empty->tk_hopcount = prqt->rq_hopcount; strcpy(empty->tk_jobid, prqt->rq_jid); strcpy(empty->tk_location, prqt->rq_location); empty->tk_state = *prqt->rq_state; server.sv_trackmodifed = 1; if (LOGLEVEL >= 7) { log_event( PBSEVENT_JOB, PBS_EVENTCLASS_JOB, prqt->rq_jid, "job added to server tracking list"); } } reply_ack(preq); return; } /* * track_save - save the tracking records to a file * * This routine is invoked periodically by a timed work task entry. * The first entry is created at server initialization time and then * recreated on each entry. * * On server shutdown, track_save is called with a null work task pointer. */ void track_save( struct work_task *pwt) /* unused */ { int fd; char *myid = "save_track"; /* set task for next round trip */ if (pwt) /* set up another work task for next time period */ { if (!set_task(WORK_Timed, (long)time_now + PBS_SAVE_TRACK_TM, track_save, 0)) log_err(errno, myid, "Unable to set task for save"); } if (server.sv_trackmodifed == 0) return; /* nothing to do this time */ fd = open(path_track, O_WRONLY, 0); if (fd < 0) { log_err(errno, myid, "Unable to open tracking file"); return; } if (write(fd, (char *)server.sv_track, server.sv_tracksize * sizeof(struct tracking)) != (ssize_t)(server.sv_tracksize * sizeof(struct tracking))) { log_err(errno, myid, "failed to write to track file"); } if (close(fd) < 0) { log_err(errno, myid, "failed to close track file after saving"); return; } server.sv_trackmodifed = 0; return; } /* * issue_track - issue a Track Job Request to another server */ void issue_track(job *pjob) { struct batch_request *preq; char *pc; preq = alloc_br(PBS_BATCH_TrackJob); if (preq == (struct batch_request *)0) return; preq->rq_ind.rq_track.rq_hopcount = pjob->ji_wattr[(int)JOB_ATR_hopcount].at_val.at_long; (void)strcpy(preq->rq_ind.rq_track.rq_jid, pjob->ji_qs.ji_jobid); (void)strcpy(preq->rq_ind.rq_track.rq_location, server_name); preq->rq_ind.rq_track.rq_state[0] = pjob->ji_wattr[(int)JOB_ATR_state].at_val.at_char; pc = pjob->ji_qs.ji_jobid; while (*pc != '.') pc++; (void)issue_to_svr(++pc, preq, release_req); }