struct bnode *
cron_create(char *ainstance, char *acommand, char *awhen)
{
struct cronbnode *te;
afs_int32 code;
char *cmdpath;
extern char *copystr();
/* construct local path from canonical (wire-format) path */
if (ConstructLocalBinPath(acommand, &cmdpath)) {
bozo_Log("BNODE: command path invalid '%s'\n", acommand);
return NULL;
}
te = (struct cronbnode *)malloc(sizeof(struct cronbnode));
memset(te, 0, sizeof(struct cronbnode));
code = ktime_ParsePeriodic(awhen, &te->whenToRun);
if ((code < 0) || (bnode_InitBnode(te, &cronbnode_ops, ainstance) != 0)) {
free(te);
free(cmdpath);
return NULL;
}
te->when = ktime_next(&te->whenToRun, 0);
te->command = cmdpath;
te->whenString = copystr(awhen);
return (struct bnode *)te;
}
static int
cron_setstat(register struct cronbnode *abnode, afs_int32 astatus)
{
if (abnode->waitingForShutdown)
return BZBUSY;
if (astatus == BSTAT_SHUTDOWN) {
if (abnode->running) {
/* start shutdown */
bnode_StopProc(abnode->proc, SIGTERM);
abnode->waitingForShutdown = 1;
bnode_SetTimeout(abnode, SDTIME);
/* When shutdown is complete, bproc() calls BOP_PROCEXIT()
* [cron_procexit()] which will tell bproc() to no longer
* run this cron job.
*/
} else {
/* Tell bproc() to no longer run this cron job */
bnode_SetTimeout(abnode, 0);
}
} else if (astatus == BSTAT_NORMAL) {
/* start the cron job
* Figure out when to run next and schedule it
*/
abnode->when = ktime_next(&abnode->whenToRun, 0);
ScheduleCronBnode(abnode);
}
return 0;
}
/* lwp to handle system restarts */
static void *
BozoDaemon(void *unused)
{
afs_int32 now;
/* now initialize the values */
bozo_newKTs = 1;
while (1) {
IOMGR_Sleep(60);
now = FT_ApproxTime();
if (bozo_restdisable) {
bozo_Log("Restricted mode disabled by signal\n");
bozo_restdisable = 0;
}
if (bozo_newKTs) { /* need to recompute restart times */
bozo_newKTs = 0; /* done for a while */
nextRestart = ktime_next(&bozo_nextRestartKT, BOZO_MINSKIP);
nextDay = ktime_next(&bozo_nextDayKT, BOZO_MINSKIP);
}
/* see if we should do a restart */
if (now > nextRestart) {
SBOZO_ReBozo(0); /* doesn't come back */
}
/* see if we should restart a server */
if (now > nextDay) {
nextDay = ktime_next(&bozo_nextDayKT, BOZO_MINSKIP);
/* call the bnode restartp function, and restart all that require it */
bnode_ApplyInstance(bdrestart, 0);
}
}
return NULL;
}
static int
cron_procexit(struct cronbnode *abnode, struct bnode_proc *aproc)
{
/* process has exited */
/* log interesting errors for folks */
if (aproc->lastSignal)
bozo_Log("cron job %s exited due to signal %d\n", abnode->b.name,
aproc->lastSignal);
else if (aproc->lastExit)
bozo_Log("cron job %s exited with non-zero code %d\n", abnode->b.name,
aproc->lastExit);
abnode->waitingForShutdown = 0;
abnode->running = 0;
abnode->killSent = 0;
abnode->proc = (struct bnode_proc *)0;
/* Figure out when to run next and schedule it */
abnode->when = ktime_next(&abnode->whenToRun, 0);
ScheduleCronBnode(abnode);
return 0;
}
