1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
/*
* Copyright (C) 1995, 1997-1999 Jeffrey A. Uphoff
* Modified by Olaf Kirch, Oct. 1996.
* Modified by Lon Hohberger, Oct. 2000.
*
* NSM for Linux.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "statd.h"
#include "notlist.h"
/* Callback notify list. */
/* notify_list *cbnl = NULL; ... never used */
/*
* Services SM_NOTIFY requests.
* Any clients that have asked us to monitor that host are put on
* the global callback list, which is processed as soon as statd
* returns to svc_run.
*/
void *
sm_notify_1_svc(struct stat_chge *argp, struct svc_req *rqstp)
{
notify_list *lp, *call;
static char *result = NULL;
dprintf(N_DEBUG, "Received SM_NOTIFY from %s, state: %d",
argp->mon_name, argp->state);
/* quick check - don't bother if we're not monitoring anyone */
/* LH - this was != MULL, meaning that if anyone _was_ in our RTNL,
* we'd never pass this point. */
if (!(lp = rtnl)) {
note(N_WARNING, "SM_NOTIFY from %s while not monitoring any hosts.",
argp->mon_name, argp->state);
return ((void *) &result);
}
/* okir change: statd doesn't remove the remote host from its
* internal monitor list when receiving an SM_NOTIFY call from
* it. Lockd will want to continue monitoring the remote host
* until it issues an SM_UNMON call.
*/
while ((lp = nlist_gethost(lp, argp->mon_name, 0)) != NULL) {
if (NL_STATE(lp) != argp->state) {
NL_STATE(lp) = argp->state;
call = nlist_clone(lp);
nlist_insert(¬ify, call);
}
lp = NL_NEXT(lp);
}
return ((void *) &result);
}
|
