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static char dqs_tid_rcsid[]="$Id: dqs_tid.c,v 1.1.1.1 1997/04/10 15:10:34 green Exp $";
/*----------------------------------------------------
* dqs_tid.c Tom Green Mon Jan 31 10:43:05 1994
*
* Copyright 1993
*
* SUPER COMPUTER COMPUTATIONS RESEARCH INSTITUTE
* FLORIDA STATE UNIVERSITY
*
*
* SCRI representatives make no claims about the
* suitability of this software for any purpose.
* It is provided "as is" without express or
* implied warranty.
*
* $Log: dqs_tid.c,v $
* Revision 1.1.1.1 1997/04/10 15:10:34 green
* DQS 3.1.3.4.1 Distribution
*
* Revision 3.6 1996/11/20 23:04:41 nrl
* Several fixes submitted by or as a result of investigations by
* Ron Lee, Bodo Bechenback, Guntram Wolski and Frank Dwyyer.
*
* Revision 3.5 1996/06/27 01:56:10 nrl
* changes to accomodate osf gcc
*
* Revision 3.4 1996/03/22 04:21:33 nrl
* Added error cataloguing number to all routines
*
* Revision 3.3 1995/02/05 00:51:16 nrl
* Changed meaning of "-clean" option to mean cleanout all
* options potentially resettable by qalter. Added interactive
* prompting.
*
* Revision 3.2 1995/02/01 23:17:50 nrl
* Tidied up and hopefully bulletproofed "tid" management. Reversed
* tid file naming to sort by time.
*
* Revision 3.1 1995/01/30 15:22:09 nrl
* added "tid" verification between execd and qmaster to prevent
* "ghost" jobs from persisting in visible queue. Changed ERROR messages
* which were for information only to DEBUG messages.
*
* Revision 3.0 1994/03/07 04:14:44 green
* 3.0 freeze
*
* Revision 1.1.1.1 1994/02/01 17:57:48 green
* DQS 3.0 ALPHA
*
*--------------------------------------------------*/
#include "h.h"
#include "def.h"
#include "dqs.h"
#include "struct.h"
#include "func.h"
#include "globals.h"
#include "dqs_errno.h"
/************************************************************************/
dqs_list_type *dqs_get_tid()
{
string str;
dqs_list_type *tid;
DENTER((DQS_EVENT,"dqs_get_tid"));
tid=(dqs_list_type *)dqs_malloc(sizeof(dqs_list_type));
tid->str0=dqs_string_insert(NULL,me.qualified_hostname);
tid->int0=dqs_rand(0,9999999);
tid->int1=dqs_get_gmt();
DEXIT;
return(tid);
}
/************************************************************************/
void dqs_save_tid(lp,from_who)
dqs_list_type *lp;
int from_who;
{
string str;
dqs_list_type listel;
DENTER((DQS_EVENT,"dqs_save_tid"));
bzero((char *)&listel,sizeof(listel));
if (lp->tid)
{ /* must be a "reply_head" */
listel.str0=dqs_string_insert(NULL,lp->tid->str0);
listel.int0=lp->tid->int0;
listel.int1=lp->tid->int1;
}
else
{ /* must be a "raw" tid */
listel.str0=dqs_string_insert(NULL,lp->str0);
listel.int0=lp->int0;
listel.int1=lp->int1;
}
if ((from_who==DQS_EXECD)||(from_who==QMASTER))
listel.int2=0; /* DON'T TIME OUT TIDS! */
else
listel.int2=dqs_get_gmt();
listel.chain=lp;
sprintf(str,"%d.%s.%d",listel.int1,listel.str0,listel.int0);
dqs_write_list_to_disk(TID_DIR,str,&listel,ALL);
Tid_head=dqs_insert(DQS_STR0,HEAD,Tid_head,&listel);
if (listel.int2)
{
DPRINTF((DQS_EVENT,"saving ANCILLARY TID ===>%s<",str));
}
else
{
DPRINTF((DQS_EVENT,"saving DQS_EXECD TID ===>%s<",str));
}
/*
lp=Tid_head;
while (lp)
{
INFO((DQS_EVENT,"DQS_ERROR_0517 SAVING(%d.%s.%d)",lp->int0,lp->str0,lp->int1));
lp=lp->next;
}
*/
DEXIT;
return;
}
/************************************************************************/
void dqs_tid_garbage_collector()
{
int status;
string str;
u_long32 now;
u_long32 d_day_gmt;
static u_long then=0;
dqs_list_type *lp;
dqs_list_type *freeptr;
DENTER((DQS_EVENT,"dqs_tid_garbage_collector"));
/*
INFO((DQS_EVENT,"DQS_ERROR_0518 ++++++++++++dqs_tid_garbage_collector()++++++++++"));
lp=Tid_head;
while (lp)
{
INFO((DQS_EVENT,"DQS_ERROR_0519 GARBAGE_COLLECTOR(%d.%s.%d)",lp->int1,lp->str0,lp->int0));
lp=lp->next;
}
*/
if (!Tid_head)
{
DEXIT;
return;
}
d_day_gmt=2*conf.alarml*DQS_NRETRIES;
now=dqs_get_gmt();
if ((now-then>d_day_gmt)||(then-now>d_day_gmt))
{
then=now;
}
else
{
DEXIT;
return;
}
tid_garbage_collector_one_more_time:
DTRACE;
lp=Tid_head;
if (!lp)
{
DEXIT;
return;
}
DTRACE;
d_day_gmt=2*conf.alarml*DQS_NRETRIES;
if ((lp->int2)&&(now>(lp->int2+d_day_gmt)))
{
freeptr=lp;
Tid_head=lp->next;
freeptr->next=NULL;
sprintf(str,"%d.%s.%d",freeptr->int1,freeptr->str0,freeptr->int0);
/* INFO((DQS_EVENT,"DQS_ERROR_0520 TID_GARBAGE_COLLECTOR nuking %s",str)); */
dqs_unlink(TID_DIR,str);
freeptr=dqs_free_list(freeptr);
goto tid_garbage_collector_one_more_time;
}
while(lp->next)
{
if ((lp->next->int2)&&(now>(lp->next->int2+d_day_gmt)))
{
freeptr=lp->next;
lp->next=lp->next->next;
freeptr->next=NULL;
sprintf(str,"%d.%s.%d",freeptr->int1,freeptr->str0,freeptr->int0);
/* INFO((DQS_EVENT,"DQS_ERROR_0521 TID_GARBAGE_COLLECTOR nuking %s",str)); */
dqs_unlink(TID_DIR,str);
freeptr=dqs_free_list(freeptr);
continue;
}
lp=lp->next;
}
DEXIT;
return;
}
/************************************************************************/
dqs_list_type *dqs_locate_tid(tid)
dqs_list_type *tid;
{
dqs_list_type *lp;
DENTER((DQS_EVENT,"dqs_locate_tid"));
lp=Tid_head;
while (lp)
{
if (tid->int0==lp->int0)
{
if (tid->int1==lp->int1)
{
/* bullet proofing in case of garbage TID */
if( (!tid->str0 ) || ( !lp->str0) ) {
DPRINTF((DQS_EVENT,"garbage tid.. no string %d %d",tid->int0,tid->int1) );
DEXIT;
return(NULL);
}
if (!strcmp(tid->str0,lp->str0))
{
DEXIT;
return(lp->chain);
}
}
}
lp=lp->next;
}
DEXIT;
return(NULL);
}
/************************************************************************/
int dqs_ifequal_tid(tid1, tid2)
dqs_list_type *tid1;
dqs_list_type *tid2;
{
DENTER((DQS_EVENT,"dqs_ifequal_tid"));
if (tid1->int0==tid2->int0)
{
if (tid1->int1==tid2->int1)
{
/* bullet proofing in case of garbage TID */
if( (!tid1->str0 ) || ( !tid2->str0) ) {
DPRINTF ((DQS_EVENT,"garbage tid.. no string %d %d",
tid1->int0,tid1->int1) );
DEXIT;
return(0);
}
if (!strcmp(tid1->str0,tid2->str0))
{
DEXIT;
return(1);
}
}
}
DEXITE;
return(0);
}
/************************************************************************/
void dqs_tid_del_x_host(host)
char *host;
{
int status;
string str;
u_long32 now;
u_long32 d_day_gmt;
static u_long then=0;
dqs_list_type *lp;
dqs_list_type *freeptr;
DENTER((DQS_EVENT,"dqs_tid_del_x_host"));
/*
INFO((DQS_EVENT,"DQS_ERROR_0522 =================dqs_tid_del_x_host(%s)",host));
lp=Tid_head;
while (lp)
{
INFO((DQS_EVENT,"DQS_ERROR_0523 dqs_tid_del_x_host(%d.%s.%d)",lp->int1,lp->str0,lp->int0));
lp=lp->next;
}
*/
dqs_tid_del_x_host_one_more_time:
DTRACE;
lp=Tid_head;
if (!lp)
{
DEXIT;
return;
}
DTRACE;
if (!lp->int2)
{ /* originated from either QMASTER or DQS_EXECD */
if (!strcmp(lp->str0,host))
{
freeptr=lp;
Tid_head=lp->next;
freeptr->next=NULL;
sprintf(str,"%d.%s.%d",freeptr->int1,freeptr->str0,freeptr->int0);
/* INFO((DQS_EVENT,"DQS_ERROR_0524 dqs_tid_del_x_host nuking %s",str)); */
dqs_unlink(TID_DIR,str);
freeptr=dqs_free_list(freeptr);
goto dqs_tid_del_x_host_one_more_time;
}
}
while(lp->next)
{
/* INFO((DQS_EVENT,"DQS_ERROR_0525 dqs_tid_del_x_host >%s<>%s<",lp->next->str0,host)); */
if (!lp->next->int2)
{ /* originated from either QMASTER or DQS_EXECD */
if (!strcmp(lp->next->str0,host))
{
freeptr=lp->next;
lp->next=lp->next->next;
freeptr->next=NULL;
sprintf(str,"%d.%s.%d",freeptr->int1,freeptr->str0,freeptr->int0);
/* INFO((DQS_EVENT,"DQS_ERROR_0526 dqs_tid_del_x_host nuking %s",str)); */
dqs_unlink(TID_DIR,str);
freeptr=dqs_free_list(freeptr);
continue;
}
}
lp=lp->next;
}
DEXITE;
return;
}
|
